Physician’s Profile

Lloyd E. Ratner, MD, MPH, FACS

1
Director, Renal and Pancreatic Transplantation, Department of Surgery Columbia University Medical Center, New York, NY
Affiliations: 
NewYork-Presbyterian/Columbia
NewYork-Presbyterian/Morgan Stanley Children's Hospital
Contact Phone: 
(212) 342-3539
Board Certificates: 
Surgery
Expertise: 
Transplant Surgery
Pediatric Surgery
Kidney Transplant
Renal Transplant
Laparoscopic Living Donor Nephrectomy
Pediatric Kidney Transplantation
Living Donor Transplantation
Living Donor Kidney Transplantation
Transplant Surgery, Pediatric
Organ Transplant, Pediatric
Kidney Transplantation
Honors: 

Elected Treasurer of the American Society of Transplant Surgeons

2004 - Elpis Award, NephCure Foundation.

2002 - Philadelphia Magazine, “Top Docs” – Renal and Pacreatic Transplantation

1990 - National Kidney Foundation Research Fellowship Award

1988 - Outstanding Resident of the Year, Dept. of Surgery, Long Island Jewish Medical Center

1983 - Neurosurgery Award for Academic Excellence, Hahnemann University School of Medicine

1983 - Sandoz Award for Outstanding Contribution in Service to Hahnemann, Hahnemann University School of Medicine

1979 - Departmental Honors, Department of Biochemistry, Hahnemann University School of Medicine

1979 - Departmental Honors, Department of Biology, State University of New York at Buffalo

1978 - Departmental Honors, Department of Political Science, State University of New York at Buffalo

Interests: 
Living donor kidney transplantation
Overcoming humoral immune responses
Increasing the organ supply
Minimally invasive surgery
Avoidance of surgical complications

Targeted Intervention to Increase Living Kidney Donation (principal investigator)
Health Resources and Services Administration (HRSA) 

Abrogation of Humoral Immune Responses Utilizing Plasmapheresis/Cytogam in Positive Crossmatch and ABO Incompatible Donor/Recipient Pairs Undergoing Live Donor Renal Transplantation (principal investigator)
Medimmune

Publications: 
Nguyen MTJP, Carpenter D, Tadros J, Mathur A, Sandoval PR, Woodle S, Diwan T, Ratner LE: Bariatric surgery prior to living donor nephrectomy: a solution to expand the living donor kidney pool.  Manuscript in preparation.            
Stokes MB, Valeri AM, Vasilescu ER, Amin A, Crew RJ, Nasr SH, Markowitz GS, Sucia-Foca N, D’Agati VD, Ratner LE: Clinical and pathologic characteristics of acute renal allograft rejection with isolated v1 and v2 endarteritis.  Manuscript submitted Transplantation            
Shonkwiler RJ, Radhakrishnan J, Crew RJ, Stokes MB, Nasr SH, Guarrera JV, Ratner LE: Allotransplantation of a kidney previously autotransplanted for loin pain-hematuria syndrome: A case study.  Manuscript submitted Transplant International            
Rana A, Ratner ER, Ernst V, Luyten E, Kelly J, Kornfeld D, Cohen D, Wiener I, Ratner LE:  Options to overcome immunologic incompatibility in renal transplantation: attitudes of potential donors and recipients.  Manuscript submitted Transplant International.            
Cinti F, Bouchi R, Ohmura Y, Sandoval PR, Marselli L, Ratner LE, Marchetti P, Accili D: Evidence of β-Cell Dedifferentiation in Type 2 Diabetes.  Manuscript submitted New England Journal of Medicine.            
Tsapepas DS, Vasilescu R, Tanriover B, Coppleson Y, Hardy MA, Dube G, Crew RJ, Sandoval PR, Ratner LE, Watkins A, Cohen DJ, Mohan S:  Should donor specific antibodies preclude repeat renal transplantation?  Manuscript submitted Clin J Am Soc Nephrol.            
Peddi VR, Feng S, Squiers EC, Grinyo J, Klemens B, Kraemer B, Tso P, Micas DS, Pham T, Gaber AO, Cooper M, Ratner L, Irish W, Polinsky M, Shai E: Prospective, Randomized Controlled, Double-Blind, Multicenter, Phase II Study of the Safety and Clinical Activity of the Small Interfering (si) RNA QPI-1002 for Prophylaxis of Delayed Graft Function in Subjects Undergoing Deceased Donor Kidney Transplantation.  Manuscript submitted             
Batal I, Mohan S, De Serres SA, Vasilescu ER, Tsapepas D, Crew RJ, Patel SS, Serban G, McCune K, Husain SA, Chang JH, Herter JM, Bhagat G, Markowitz G, D’Agati V, Hardy MA, Ratner L, Chandraker A: Analysis of dendritic cells and ischemia-reperfusion changes in post-implantation renal allograft biopsies may serve as predictors of subsequent rejection episodes.  In press Kid Int
Schold JD, Andreoni KA, Chandraker AK, Gaston RS, Locke JE, Mathur AK, Pruett T, Rana A, Ratner LE, Buccini LD: Expanding clarity or confusion?  Volatility of the five-tier ratings assessing quality of transplant centers in the United States.  In press Am J Transplant            
Carpenter D, Mohan S, Halazun K, Verna E, Chiles MC, Ratner LE: National trends in liver discards: the weekend effect.  Manuscript in press Transplantation.            
Husain SA, Chiles MC, Lee S, Pastan SO, Patzer RE, Tanriover B, Ratner LE, Mohan S: Characteristics and performance of unilateral kidney transplants from deceased donors.  Clin J Am Soc Nephrol 2018, Jan;13(1):118-127            
Lefaucheur C, Viglietti D, Hidalgo LG, Ratner LE, Bagnasco SM, Batal I, Aubert O, Orandi BJ, Oppenheimer F, Bestard O, Rigotti P, Reisaeter AV, Kamar N, Lebranchu Y, Van Huyen JPD, Bruneval P, Glotz D, Legendre C, Empana JP, Jouven X, Segev DL, Montgomery RA, Zeevi A, Halloran PF, Loupy A:  Complement-activating anti-HLA antibodies in kidney transplantation: allograft gene expression profiling and response to treatment. JASN 2018, Feb;29(2):620-635.            
Orandi BJ, Luo X, King EA, Garonzik-Wang JM, Bae S, Montgomery RA, Stegall MD, Jordan SC, Oberholzer J, Dunn TB, Ratner LE, Kapur S, Pelletier RP, Roberts JP, Melcher ML, Singh P, Sudan DL, Posner MP, El-Amm JM, Shapiro R, Cooper M, Lipkowitz GS, Rees MA, Marsh CL, Sankari BR, Gerber DA, Nelson PW, Wellen J, Bozorgzadeh A, Gaber AO, Segev DL: Hospital readmissions following HLA-incompatible live donor kidney transplantation: A multi-center study.  Am J Transplant 2018, Mar;18(3):650-658.            
Axelrod D, Lentine KL, Schnitzler MA, Luo X, Xiao H, Orandi BJ, Massie A, Garonzik-Wang J, Stegall MD, Jordan SC, Oberholzer J, Dunn TB, Ratner LE, Kapur S, Pelletier RP, Roberts JP, Melcher ML, Singh P, Sudan DL, Posner MP, El-Amm JM, Shapiro R, Cooper M, Lipkowitz GS, Rees MA, Marsh CL, Sankari BR, Gerber DA, Nelson PW, Wellen J, Bozorgzadeh A, Gaber AO, Montgomery RA, Segev DL:  The incremental cost of incompatible living donor kidney transplantation: a national cohort analysis.  Am J Transplant 2017, Dec;17(12):3123-3130.            
Mohan S, Campenot E, Chiles MC, Santoriello D, Bland E, Crew RJ, Rosenstiel P, Dube G, Batal I, Radhakrishnan J, Sandoval PR, Guarrera J, Stokes MB, D’Agati V, Cohen DJ, Ratner LE, Markowitz G:  Association between reperfusion renal allograft biopsy findings and transplant outcomes.  J AM Soc Nephrol 2017, Oct; 28(10):3109-3117.            
Chin CY, Matsumura M, Maehara A,Zhang W, Lee CT, Yamamoto MH, Son L, Parviz Y, Jhalani NB, Mohan S, Ratner LE, Cohen DJ, Ben-Yehuda O, Stone GW, Shlofmitz RA, Kakuta T, Mintz GS, Ali ZA: Coronary Plaque Characteristics in Hemodialysis-Dependent Patients as Assessed by Optical Coherence Tomography.  Am J Card 2017, May 1; 119(9):1313-1319.            
Bhatti NK, Karimi Galougahi K, Paz Y, Nazif T, Moses JW, Leon MB, Stone GW, Kirtane AJ, Karmpaliotis D, Bokhari S, Hardy MA, Dube G, Mohan S, Ratner LE, Cohen DJ, Ali ZA: Diagnosis and management of cardiovascular disease in advanced and end-stage renal disease.  J Am Heart Assoc 2016, Aug 4;5(8)          
Carpenter DJ, Mohan S, Ratner LE, Schlossberg P: Combined percutaneous trans-renal and trans-femoral endovascular recanalization and angioplastic reconstruction of a disrupted transplant renal artery stent: a novel salvage technique.  Am J Transplant 2016, Nov14 (Epub ahead of print).            
Ali ZA, Karimi Galougahi K, Nazif T, Maehara A, Hardy MA, Cohen DJ, Ratner LE, Collins MB, Moses JW, Kirtane AJ, Stone GW, Karmpaliotis D, Leon MB: Imaging- and physiology-guided percutaneous coronary intervention without contrast administration in advanced renal failure: a feasibility, safety, and outcome study.  Eur Heart J 2016, Oct 21;37(40):3090-3095.            
Mohan S, Foley K, Chiles MC, Dube GK, Patzer RE, Pastan S, Crew RJ, Cohen D, Ratner LE: The weekend effect alters the procurement and discard rates of deceased donor kidneys in the United States. Kid Int 2016, Jul;90(1):157-163.            
Cinti F, Bouchi R, Kim-Muller JY, Ohmura Y, Sandoval PR, Masini M, Marselli L, Suleiman M, Ratner LE, Marchetti P, Accili D:  Evidence of β-cell dedifferentiation in human type 2 diabetes.  J Clin Endocrinol Metab 2016, Mar,101(3):1044-54.            
Orandi BJ, Luo X, Massie AB, Garonzik-Wang JM, Lonze BE, Ahmed R, Van Arendonk KJ, Stegall MD, Jordan SC, Oberholzer J, Dunn TB, Ratner LE, Kapur S, Pelletier RP, Roberts JP, Melcher ML, Singh P, Sudan DL, Posner MP, El-Amm JM, Shapiro R, Cooper M, Lipkowitz GS, Rees MA, Marsh CL, Sankari BR, Gerber DA, Nelson PW, Wellen J, Bozorgzadeh A, Gaber AO, Montgomery RA, Segev DL:  Survival benefit with kidney transplants from HLA-incompatible live donors.  NEJM 2016, 374:940-50.            
Tanriover B, Fernandez S, Campenot ES, Newhouse JH, Oyfe I, Mohan P, Sandikci B, Radhakrishnan J, Wexler JJ, Carroll MA, Sharif S, Cohen DJ, Ratner LE, Hardy MA: Live donor renal anatomic asymmetry and posttransplant renal function.  Transplantation 2015, Aug; 99(8):e66-e74.            
Janki S, Verver D, Klop KWJ, Friedman AL, Peters TG, Ratner LE, Ijzermans JNM, Dor FJMF: Vascular Management During Live Donor Nephrectomy: An Online Survey Among Transplant Surgeons.  Am J Transplant 2015, June; 15(6):1701-1707.            
Cuffy MC, Ratner LE, Siegler M, Woodle ES: Equipoise: ethical, scientific, and clinical trial design considerations for compatible pair participation in kidney exchange programs. Am J Transplant 2015, June; 15(6):1484-1489.            
Guarrrera JV, Henry SD, Samstein B, Reznik E, Musat C, Lukose TI, Ratner LE, Brown RS, Kato T, Emond JC: Hypothermic machine preservation facilitates successful transplantation of “orphan” extended criteria donor livers.  Am J Transplant 2015, Jan;15(1):161-169.            
Berli JU, Montgomery JR, Segev DL, Ratner LE, Maley WR, Cooper M, Melancon JK, Burdick J, Desai NM, Dagher NN, Lonze BE, Nazarian SM, Montgomery RA: Surgical Management of Early and Late Ureteral Complications after Renal Transplantation: Techniques and Outcomes. Clin Transplant 2015, Jan;29(1):26-33.            
Bouchi R, Thams KF, Hua H, Tsuchiya K, Ohmura Y, Ratner LE, Egli D, Leibel RL, Accili D: FOXO1 Inhibition Yields Functional Insulin-Producing Cells in Human Gut Organoid Cultures.  Nat Commun 2014, Jun 30:5:4242            
Orandi BJ, Garonzik-Wang JM, Massie AB, Zachary AA, Montgomery JR, Van Arendonk KJ, Stegall MD, Jordan SC, Oberholzer J, Dunn TB, Ratner LE, Kapur S, Pelletier RP, Roberts JP, Melcher ML, Singh P, Sudan DL, Posner MP, El-Amm JM, Shapiro R, Cooper M, Lipkowitz GS, Rees MA, Marsh CL, Sankari BR, Gerber DA, Nelson P, Wellen J, Bozorgzadeh A, Gaber AO, Montgomery RA, Segev DL:  Quantifying the risk of incompatible kidney transplantation: a multicenter study.  Am J Transplant 2014, Jul;14(7):1573-80.            
Madan RP, Delli Carpini K, Huprikar S, Lerner H, Patel G, Ratner LE, Goldstein MJ, Herold BC: A pilot program to evaluate deceased donor disease transmission risk: the New York Organ Donor Network Infectious Disease Working Group.  Transplantation 2014, Oct27;98(8):909-915.            
Israni A, Dean CE, Salkowski N, Li S, Ratner LE, Rabb H, Powe NR, Kim SJ: Variation in structure and delivery of care between kidney transplant centers in the United States.  Transplantation 2014, Sep15;98(5):520-528.            
Ho EK, Vasilescu ER, Vlad G, Clynes RA, Ratner LE, Suciu-Foca N: Detection of donor-specific-antibodies by solid phase assay and its relevance to complement-dependent-lymphocytotoxicity cross-matching in kidney transplantation.  Hum Immunol 2014, Jun;75(6):520-523.            
Iyer SP, Nikkel LE, Nishiyama KK, Dworakowshi E, Cremers S, Zhang C, McMahon DJ, Boutroy S, Liu XS, Ratner LE, Cohen DJ, Guo XE, Shane E, Nickolas TL: Kidney transplantation with early corticosteroid withdrawal: paradoxical effects at the central and peripheral skeleton.  J Am Soc Nephrol 2014, Jun;25(6):1331-1341.            
Tsapepas DS, Vasilescu R, Tanriover B, Coppleson Y, Rekhtman Y, Hardy MA, Dube G, Crew RJ, Ratner LE, Cohen DJ, Mohan S:  Preformed donor-specific antibodies and risk of antibody-mediated rejection in repeat renal transplantation. Transplantation 2014, Mar 27;97(6):642-7.            
Tanriover B, Mohan S, Cohen DJ, Radhakrishnan J, Nickolas TL, Stone PW, Tsapepas DS Crew RJ, Dube GK, Sandoval PR, Samstein B, Dogan E, Gaston RS, Tanriover JN, Ratner LE, Hardy MA:  Kidneys at higher risk of discard: Expanding the role of dual kidney transplantation.  Am J Transplant 2014, 14:404-415.            
Tsapepas DS, Powell JT, Martin ST, Hardy MA, Ratner LE: An update to managing renal transplant ischemia reperfusion injury: novel therapies in the pipeline. Clin Transplant 2013, Sep-Oct;27(5):647-648.            
Graham JA, Ratner LE: A laparoscopic donor nephrectomy in patients with anomalies of the inferior vena cava.  Am J Transplant 2013, Aug;13(8):2222-34.
Shah S, Tsapepas DS, Kubin C, Martin ST, Mohan S, Ratner LE, Pereira M, Kapur S, Dadhania D, Walker-McCermott JK: Risk factors associated with Clostridium difficile infection after kidney and pancreas transplantation. Transplant Infectious Disease 2013, 0:1-8            
Powell JT, Tsapepas DS, Martin ST, Hardy MA, Ratner LE:  Managing renal transplant ischemia reperfusion injury:  novel therapies in the pipeline.  Clin Transplant 2013, Apr 25 [Epub ahead of print]            
Nikkel LE, Iyer SP, Mohan S, Zhang A, McMahon DJ, Tanriover B, Cohen DJ, Ratner L, Hollenbeak CS, Rubin MR, Shane E, Nickolas TL: Pancreas-kidney transplantation is associated with reduced fracture risk compared with kidney alone transplantation in men with type 1 diabetes.  Kidney Int 2013, Mar;83(3):471-8.            
Mohan S, Palaniswamy A, Tsapepas D, Tanriover B, Crew RJ, Dube G, Ratner LE, Cohen DJ, Radhakrishnan J: Donor-specific antibodies adversely affect kidney allograft outcomes.  J Am Soc Nephrol 2012, Dec;23(12):2061-71.            
Tsapepas DS, Mohan S, Sandoval PR, Tanriover B, Dube G, Crew RJ, Cohen DJ, Hardy MA, Ratner LE: Impact of small variations in the delivered dose of rabbit anti-thymocyte induction therapy in kidney transplantation with early corticosteroid withdrawal. Transplantation 2012, Aug;94(4):            
Mohan S, Tanriover B, Ali N, Crew RJ, Dube G, Radhakrishnan J, Hardy MA, Ratner LE, McClellan W, Cohen D: Availability, utilization and outcomes of deceased diabetic donor kidneys; analysis based on the UNOS Registry.  Am J Trans 2012, Aug;12(8):2098-105.            
Cohen DJ, Ratner LE: Type 2 Diabetes: the best transplant option is still uncertain.  Clin J Am Soc Nephrol 2012, Apr;7(4):530-2. Epub 2012 Mar 22 ahead of print            
Friedman AL, Peters TG, Ratner LE:  Regulatory failure leading to deaths of live kidney donors. Am J Trans 2012, Apr;12(4):829-34. Epub 2012 Jan 10 ahead of print            
Nikkel LE, Mohan S, Zhang A, McMahon DJ, Boutroy S, Dube G, Tanriover B, Cohen D, Ratner L, Hollenbeak CS, Leonard MB, Shane E, Nickolas TL: Reduced fracture risk with early corticosteroid withdrawal after kidney transplant. Am J Transplant 2012,Mar;12(3):649-59. Epub 2011 Dec 7 ahead of print   
Ratner LE, Sandoval PR: Authors response to: when disaster strikes: donor deaths are treated with intense scrutiny.   Am J Trans 2011, Jul;11(7):1542.            
Guarrera JV, Stone J, Tulipan J, Jhang J, Arrington B, Boykin J, Markowitz G, Ratner LE:  A novel ex-vivo porcine renal xenotransplantation model using a pulsatile machine preservation system.  Ann Transplant 2011 Mar 23; 16(1):80-2.            
Focosi D, Ratner LE, Vistoli F, Boggi U: Expanding living kidney donations.  Lancet 2011, Jan 15;377(9761):203-4.            
Ratner LE, Sandoval PR: When disaster strikes: death of a living organ donor.  Am J Trans 2010, 10:2577-2581.            
Schachter ME, Monahan M, Radhakrishnan J, Crew J, Pollak M, Ratner L, Valeri AM, Stokes MB, Appel GB: Recurrent focal segmental glomerulosclerosis in the renal allograft: single center experience in the era of modern immunosuppression.  Clin Nephrol 2010, 74(3):173-181.            
Garcia A, Vedula G, Nowygrod R, Ratner LE, Goldstein MJ: Recombinant Tissue-type Plasminogen Activator in the Treatment of Acute Renal Artery Thrombosis after Kidney Transplantation. Am J Trans 2010, 10:1931-1933.            
Friedman AL, Peters TG, Ratner LE: Perioperative mortality and long-term survival in live kidney donors.  JAMA 2010, Jun 9; 303(22):2248-9.            
Ratner LE:  Is it safe to donate a kidney?  Comment of “early clinical and economic outcomes of patients undergoing living donor nephrectomy in the United States. Arch Surg 2010, 145(4):362.
Ratner LE, Pescovitz MD:  Giving birth to an operation: laparoscopic live donor nephrectomy with vaginal extraction.  Is this misconceived?  Am J Transplant 2010, Jun;10(6):1347-8. Epub 2010 Mar 26.            
Guarrera JV, Henry SD, Samstein B, Odeh-Ramadan R, Kinkhabwala M, Goldstein MJ, Ratner LE, Renz JF, Lee HT, Brown RS, Emond JC: Hypothermic machine preservation in human liver transplantation: the first clinical series. Am J Transplant 2010, Feb;10(2)372-81.            
Ratner LE, Rana A, Ratner ER, Ernst V, Kelly J, Kornfeld D, Cohen DJ, Wiener I: The altruistic unbalanced paired kidney exchange: proof of concept, and survey of potential donor and recipient attitudes. Transplantation 2010, Jan 15;89(1):15-22.            
Guarrera JV, Arrington B, Birkhoff JD, Goldstein MJ, Ratner LE, Kelly JA, Radhakrishnan J, Hardy MA: Nephrology image: back-bench split of a deceased-donor horseshoe kidney for two transplant recipients.  Kidney Int 2009, Nov;76(9):1012.            
Das KK, Samstein B, Guarrera JV, Kinkhabwala M, Ratner LE, Radhakrishnan J: Polycystic liver diease treated with therapeutic excision.  Kidney Int 2009, Oct,76(7):803.            
Guarrera JV, Goldstein MJ, Samstein B, Henry S, Reverte C, Arrington B, Brown T, Coleman TK, Mattei G, Mendez N, Kelly J, Ratner LE: “When good kidneys pump badly”: outcomes of deceased donor renal allografts with poor pulsatile perfusion characteristics.  Transpl Int 2010, Apr 1; 23(4):444-6.            
Klein A, Messersmith E, Ratner L, Kochik R, Baliga P, Ojo A: Organ donation and utilization in the United States, 1999-2008.  Am J Transplant 2010, Apr;10(4 Pt 2):973-86.            
Serban G, Whittaker V, Fan J, Liu Z, Manga K, Khan M, Kontogianni K, Padmanabhan A, Cohen D, Suciu-Foca N, Ratner L, Colovai AI: Significance of immune cell function monitoring in renal transplantation following Thymoglobulin induction therapy.  Hum Immunol 2009, Nov; 70(11):882-90.            
Vlad G, Stokes MB, Liu Z, Chang CC, Sondermeijer H, Vasilescu ER, Colovai AI, Berloco P, D’Agati VD, Ratner L, Cortesini R, Suciu-Foca N: Suppression of xenogeneic GVHD by ILT3-Fc. Hum Immunol 2009, Sep; 70(9):663-9.            
Padmanabhan A, Ratner LE, Jhang JS, Duong JK, Markowitz GS, Vasilescu ER, Crew RJ, Schwartz J: Comparative outcome analysis of ABO-incompatible and positive crossmatch renal transplantation: a single center experience.  Transplantation 2009, Jun 27, 87(12):1889-96.            
Vlad G, Ho EK, Vasilescu RE, Colovai AI, Stokes MB, Markowitz GS, D’Agati VD, Cohen DJ, Ratner LE, Suciu-Foca N: Relevance of different antibody detection methods for prediction of antibody mediated rejection and deceased-donor kidney allograft survival.  Hum Immunol 2009, Apr 15 [Epub ahead of print]            
Montgomery RA, Locke JE, King KE, Segev DL, Warren DS, Kraus ES, Cooper M, Simpkins CE, Singer AL, Stewart ZA, Melancon JK, Ratner L, Zachary AA, Haas M: ABO incompatible renal transplantation: a paradigm ready for broad implementation.  Transplantation 2009, Apr 27; 87(8):1246-55.            
Russo MJ, Rana A, Chen JM, Hong KN, Gelijns A, Moskowitz A, Widmann WD, Ratner L, Naka Y, Hardy MA: Pretransplantation patient characteristics and survival following combined heart and kidney transplantation: an analysis of the United Netwrok for Organ Sharing database.  Arch Surg 2009, 144(3):241-6.   
Ratner LE: Editorial Comment on Pure laparoscopic donor nephrectomy: 3-year experience and analysis of a refined technique to maximize graft function.  J Endourol 2008, Oct 22(10):2282-2283
Rana A, Hardy MA, Halazun KJ, Woodland DC, Ratner LE, Samstein B, Guarrera JV, Brown Jr RS, Emond JC: Survival outcomes following liver transplantation (SOFT) score: a novel method to predict patient survival following liver transplantation.  Am J Transplant 2008, Dec;8(12):2537-46.  Epub Sept 25.            
Rana A, Robles S, Russo MJ, Halazun KJ, Woodland DC, Witkowski P, Ratner LE, Hardy MA: The combined-organ effect: protection against rejection?  Ann Surg 2008, Nov;248(5):871-9.            
Yushkov Y, Selck FW; Kidney-Pancreas Committee of the New York Organ Donor Network:  Trans Proc 2008, May; 40(4):1051-3.            
Ho EK, Vasilescu ER, Colovai AI, Hallar M, Markowitz GS, D’Agati VD, Cohen DJ, Ratner LE, Suciu-Foca N:  Sensitivity, specificity and clinical relevance of assays for detection of anti-HLA antibodies in deceased donor renal transplantation.  Transpl Immunol 2008, Nov;20(1-2):61-7.  Epub 2008 Oct 16.
Selck FW, Grossman EB, Ratner LE, Renz JF: Utilization, outcomes, and retransplantation of liver allografts from donation after cardiac death: implications for further expansion of the cadaver donor pool.  Ann Surg 2008, Oct;248(4):599-607.            
Friedman AL, Peters TG, Ratner LE: Re: JSLS 2006; 10:135-140 The development of a laparoscopic donor nephrectomy program in a De novo renal transplant program: evolution of technique and results in over 200 cases & JSLS 2006;10: 141-144 Laparoscopic vascular control techniques in donor nephrectomy: effects on vessel length.  JSLS 2006, Oct-Dec 10(4):547            
Guarrera JV, Nasr SH, Reverte CM, Samstein B, Brown T, Balachandran V, Samuels MJ, Kelly J, Hardy MA, Markowitz GS, D’Agati VD, Ratner LE: Microscopic intrarenal particles after pulsatile machine preservation do not adversely affect outcomes after renal transplantation.  Trans Proc 2006, 38:3384-3387.            
Friedman AL, Peters TG, Jones KW, Boulware LE, Ratner LE: Fatal and nonfatal hemorrhagic complications of living kidney donation.  Ann Surg 2006, Oct 24, 4(4):629-30.            
Dube GK, Hamilton SE, Ratner LE, Nasr SH, Radhakrishnan J: Loin pain hematuria syndrome.  Kidney Int. 2006, Dec;70(12):2152-5.            
Ebcioglu Z, Cohen DJ, Crew RJ, Hardy MA, Ratner LE, D’Agati VD, Markowitz GS: Osmotic nephrosis in a renal transplant recipient.  Kidney Int. 2006, Nov;70(10):1873-6.            
Vasilescu ER, Vlad G, Ho EK, Colovai AI, Foca-Rodi A, Markowitz GS, D’Agati V, Hardy MA, Ratner LE, Suciu-Foca N: Alloantibodies and outcome of cadaver kidney allografts.  Hum Immunol. 2006 Aug;67(8):597-604.             
Tan HP, Shapiro R, Montgomery RA, Ratner LE: Proposed live donor nephrectomy complication classification scheme.  Transplantation 2006, Apr 27; 81(8):1221-3.            
Kayler LK, Farber JL, Colombe B, Lacava D, Friedewald JJ, Ratner LE: Characterization of rejection episodes in patients following positive crossmatch and ABO-incompatible live donor renal transplantation.  Transpl Int 2006 Feb; 19(2):128-39.            
Friedman AL, Peters TG, Jones KW, Boulware LE, Ratner LE: Fatal and non-fatal hemorrhagic complications of living kidney donation.  Ann Surg 2006 Jan;243(1):126-30.            
Ugarte R, Kraus E, Montgomery RA, Burdick JF, Ratner L, Haas M, Hawxby AM, Karp SJ:  Excellent outcomes after transplantation of deceased donor kidneys with high terminal creatinine and mild pathologic lesions.  Transplantation 2005, 80(6):794-8000.            
Montgomery RA, Zachary AA, Ratner LE, Segev DL, Hiller JM, Houp J, Cooper M, Kavoussi L, Jarrett T, Burdick J, Maley WR, Melancon JK, Kozlowski T, Simpkins CE, Phillips M, Desai A, Collins V, Reeb B, Kraus E, Raab H, Leffell MS, Warren DS: Clinical Results From Transplanting Incompatible Live Kidney Donor/Recipient Pairs Using Kidney Paired Donation. JAMA. 2005 Oct 5;294(13):1655-63.            
Dafoe DC, Ratner LE: Pancreatico-renal composite transplant: a new technique to mitigate against pancreatic graft thrombosis.  Clin Transplant 2005, 19:690-693.            
Kayler LK, Armenti VT, Dafoe DC, Burke JF, Francos GC, Ratner LE: Patterns of volunteerism, testing, and exclusion among potential living kidney donors. Health Care Women Int. 2005, 26(4):285-94.            
Boulware LE, Ratner LE, Troll MU, Chaudron A, Yeung E, Chen S, Klein AS, Hiller J, Powe NR: Attitudes, psychology, and risk taking of potential live kidney donors: strangers, relatives, and the general public.  Am J Transplant 2005, 5(7):1671-80.            
Kayler LK, Colombe B, Farber JL, LaCava D, Dafoe DC, Burke JF, Francos GC, Ratner LE: Successful living donor renal transplantation despite ABO incompatibility and a positive crossmatch.  Clin Transplant. 2004 Dec;18(6):737-42.             
Molmenti EP, Varkarakis IM, Pinto P, Tiburi MF, Bluebond-Langner R, Komotar R, Montgomery RA, Jarrett T, Kavoussi LR, Ratner LE: Renal transplantation with iliac vein transposition.  Trans Proc 2004, 36(9):2643-5.            
Boulware LE, Ratner LE, Cooper LA, LaVeist TA, Powe NR: Whole body donation for medical science: a population-based study.  Clin Anat. 2004 Oct;17(7):570-7.             
Montgomery RA, Hardy MA, Jordan SC, Racusen LC, Ratner LE, Tyan DB, Zachary AA: Consensus opinion from the Antibody Working Group on the diagnosis, reporting, and risk assessment for antibody-mediated rejection and desensitization protocols.  Transplantation 2004, 78(2):181-5.            
Su LM, Ratner LE, Montgomery RA, Sinkov V, Bluebond-Langner R, Kavoussi LR: Laparoscopic live donor nephrectomy: trends in donor and recipient morbidity following three hundred and twenty-one consecutive cases.  Ann Surg 2004, 240(2):358-363.             
Warren DS, Zachary AA, Sonnenday CJ, King KE, Cooper M, Ratner LE, Shirey RS, Haas M, Leffell MS, Montgomery RA: Successful renal transplantation across simultaneous ABO incompatible and positive crossmatch barriers.  Am J Trans 2004, April 4(4):561-8.            
Kim FJ, Pinto P, Su LM, Jarrett TW, Ratner LE, Montgomery R, Kavoussi LR: Ipsilateral orchialgia after laparoscopic donor nephrectomy.  J Endourol 2003, 17(6):405-9.            
Zachary AA, Montgomery RA, Ratner LE, Samaniego-Picota M, Kopchaliiska D, Leffell MS: Specific and durable elimination of antibody to donor HLA antigens in renal transplant patients.  Transplantation 2003 Nov 27;76(10):1519-25.            
Hsu TH, Su LM, Ratner LE, Jarrett TW, Kavoussi LR: Demographics of 353 laparoscopic renal donor and recipient pairs at the Johns Hopkins Medical Institutions.  J Endourol 2003, 17(6):393-6.            
Boulware LE, Cooper LA, Ratner LE, LaVeist TA, Powe NR: Race and trust in the health care system.  Public Health Rep 2003, 118(4):358-365.            
Ratner LE: Report card on living kidney donation.  Am J Trans 2003, 3(7):773-4            
Hsu TH, Su LM, Trock BJ, Ratner LE, Colombani P, Kavoussi LR: Laparoscopic adult donor nephrectomy for pediatric renal transplantation.  Urology 2003, 61(2):320-2.            
Hsu TH, Su LM, Ratner LE, Trock BJ, Kavoussi LR: Impact of renal artery multiplicity on outcomes of renal donors and recipients in laparoscopic donor nephrectomy. Urology 2003, 61(2):323-7.            
Ferris RL, Kittur DS, Wilasrusmee C, Shah G, Krause E, Ratner L: Early hemodynamic changes after renal transplantation: determinants of low central venous pressure in the recipients and correlation with acute renal dysfunction.  Med Sci Monit 2003, 9(2):CR61-6.            
Molmenti EP, Pinto PA, Montgomery RA, Su LM, Kraus E, Cooper M, Sonnenday CJ, Klein AS, Kavoussi LR, Ratner LE:  Concomitant surgery with laparoscopic live donor nephrectomy.  Am J Transplant. 2003, 3(2):219-23.            
Hsu TH, Su LM, Ratner LE, Kavoussi LR: Renovascular complications of laparoscopic donor nephrectomy.  Urology 2002, 60(5):811-815.            
Hsu T, Su L, Ratner L, Kavoussi L:  Laparoscopic donor nephrectomy in the elderly patient.  Urology 2002, 60(3):398.            
Haas M, Ratner LE, Montgomery RA: C4d staining of perioperative renal transplant biopsies.  Transplantation 2002, 74(5):711-717.            
Sonnenday C, Ratner L, Zachary A, Burdick J, Samaniego M, Kraus E, Warren D, Montgomery R:  Preemptive therapy with plasmapheresis/intravenous immunoglobulin allows successful live donor renal transplantation in patients with a positive cross-match. Transplant Proc. 2002 Aug;34(5):1614.                    
Boulware LE, Ratner LE, Ness PM, Cooper LA, Campbell-Lee S, LaVeist TA, Powe NR: The contribution of sociodemographic, medical and attitudinal factors to blood donation among the general public. Transfusion 2002, 42:669-678.            
Boulware LE, Ratner LE, Sosa JA, Cooper LA, LaVeist TA, Powe NR: Determinants of willingness to donate live and cadaveric organs: identifying opportunities for intervention.  Transplantation 2002, 73(10):1683-1691.            
Boulware LE, Ratner LE, Sosa JA, Tu AH, Nagula S, Simkins CE, Durant RW, Powe NR: The general public’s concerns about clinical risk in live kidney donation.  American Journal of Transplantation 2002, 2:186-193.            
Ratner LE: Preferential laparoscopic live donor left nephrectomy in women of childbearing age.  Arch Surg 2002, 137:225.            
Boulware LE, Ratner LE, Cooper LA, Sosa JA, LaVeist TA, Powe NR.  Understanding Disparities in Donor Behavior: Race and Gender Differences in Willingness to Donate Blood and Cadaveric Organs. Med Care. 2002 Feb; 40(2):85-95.            
Chow GK, Chan DY, Ratner LE, Kavoussi LR: Interaortocaval renal artery dissection for right laparoscopic donor nephrectomy.  Transplantation 2001, Oct 27; 72(8):1458-1460.            
Girotto JA, Harmon JW, Ratner LE, Nicol TL, Wong L, Chen H: Parathyroidectomy promotes wound healing and prolongs survival in patients with calciphylaxis and secondary hyperparathyroidism.  Surgery 2001, 130(4):645-651.            
Jarrett TW, Potter SR, Girrotto JA, Chan DY, Ratner LE: Laparoscopic assisted autotransplantation for treatment of transitional cell carcinoma of the mid ureter. J Urol. 2001 May;165(5):1625-6.             
Tan HP, Samaniego MD, Montgomery RA, Burdick JF, Maley WR, Kraus ES, Ratner LE: Donor horseshoe kidneys for transplantation.  Transplantation. 2001 Sep 15;72(5):869-73.            
Zachary AA, Ratner LE, Graziani JA, Lucas DP, Delaney NL, Lefell MS: Characterization of HLA class I specific antibodies by ELISA using solubilized antigen targets : II. Clinical relevance.  Hum Immunol. 2001 Mar;62(3):236-46.            
Urban BA, Ratner LE, Fishman EK: Three-dimensional volume-rendered CT angiography of the renal arteries and veins: normal anatomy, variants, and clinical applications. Radiographics. 2001 Mar-Apr;21(2):373-86.                
Ratner LE: Comment on: hand assisted laparoscopic donor nephrectomy minimizes warm ischemia.  In Press Urology.            
Singhal S, Ratner LE: Unilateral renal agenesis with pelvic renal ectopy (Images for Surgeons).  J Am Coll Surg. 2001 Sep;193(3):330.             
Lefell MS, Kraus E, Racusen LC, Ratner LE, Charney D, Zachary AA: The effect of Bw4 and Bw6 epitope mismatches on antibody production, acute and chronic rejection and graft survival in renal allograft transplants.  Transplantation. 2001 Aug 15;72(3):433-7.            
Scatarige JC, Horton KM, Ratner LE, Fishman EK: Left adrenal vein localization by 3-D real-time volume rendering CT angiography prior to laparoscopic nephrectomy in living renal donors.  Abdom Imaging. 2001 Sep-Oct; 26(5):553-6.            
George P, Tan HP, Beebe H, Ratner LE: Successful renal transplantation after endovascular bifurcated stent graft repair of an abdominal aortic aneurysm.  Transplantation. 2001 Aug 15;72(3):533-4.            
Ratner LE: Comment on: Prolonged cold ischemia time obviates the benefits of 0 HLA mismatches in renal transplantation (letter). Arch Surg 2001, 136(4):474.            
Kouli F, Morrell CH, Ratner LE, Kraus ES.  Impact of donor/recipient traits independent of rejection on long-term renal function.  Am J Kid Dis 2001, 37(2)356-365.            
Mandal AK, Cohen C, Montgomery RA, Kavoussi LR, Ratner LE: Should the indications for laparoscopic live donor nephrectomy of the right kidney be the same as for the open procedure?  Anomalous left renal vasculature is not a contraindication to laparoscopic left donor nephrectomy. Transplantation 2001, 71(5):660-664.             
Montgomery RA, Kavoussi LR, Cohen C, Maley WR, Burdick JF, Markowitz J, Ratner LE: Improved recipient results after 5 years of performing the laparoscopic donor nephrectomy. Trans Proc 2001, 33:1108-1110.            
Alfrey EJ, Lu AD, Carter JT, Bowers V, Taylor R, Ratner L, Cole E, Schweitzer E, Krishnamurthi V, Tan H, Stratta R: The dual kidney transplant registry.  Trans Proc 2001, 33:1099-1100.            
Zachary AA, Ratner LE, Lefell MS: Low levels of HLA-specific antibody: relevance, detection, and treatment.  Trans Proc 2001, 33:469-470.            
Brodsky RA, Fuller AK, Ratner LE, Lefell MS, Jones RJ: Elimination of alloantibodies by immunoablative high-dose cyclophosphamide. Transplantation 2001, 71(3):482-484.            
Ratner LE, Montgomery RA, Kavoussi LR: Reply from the authors (letter). Kidney Int. 2000 Dec;58(6):2596-7.            
Lee BR, Chow GK, Ratner LE, Kavoussi LR: Laparoscopic live donor nephrectomy: outcomes equivalent to open surgery.  J Endourol 2000, 14(10):811-819. 
McCarron EC, Fishman EK, Ratner LE: Retroaortic left renal vein (Images for Surgeons).  J Am Coll Surg 2000, 191(6):681.            
Ratner LE, Buell JF, Kuo PC: Laparoscopic donor nephrectomy-Pro. Transplantation 2000, 70(10):1544-1546.            
Montgomery RA, Zachary AA, Racusen L, Lefell MS, King K, Ratner LE: A combination of plasmapheresis and intravenous immune globulin provides effective rescue therapy for refractory humoral rejection and allows kidneys to be successfully transplanted into crossmatch positive recipients. Transplantation 2000, 70(6):887-895.            
Chan D, Bishoff JT, Ratner L, Kavoussi LR, Jarrett TW: Endovascular gastrointestinal stapler device malfunction during laparoscopic nephrectomy: early recognition and management.  J Urol 2000, 164(2):319-321.            
Ratner LE, Smith P, Montgomery RA, Mandal AK, Fabrizio M, Kavoussi LR: Laparoscopic live donor nephrectomy: pre-operative assessment of technical difficulty. Clinical Transplantation 2000, 14(4):427-432.            
Mandal AK, Kraus ES, Humphreys SL, Ratner LE, Maley WR, Burdick JF: Shorter waiting times for hepatitis-C positive recipients of hepatitis-C positive renal allografts. Clinical Transplantation 2000, 14(4):391-396.             
Chan DY, Fabrizio MD, Ratner LE, Kavoussi LR: Complications of laparoscopic live donor nephrectomy: the first 175 cases. Transplant Proc. 2000 Jun;32(4):778.
Ratner LE, Montgomery RA, Cohen C, Maley WR, Burdick J, Chavin KD, Kittur DS, Klein A, Kraus ES, Kavoussi LR: Laparoscopic live donor nephrectomy: The recipient. Transplantation 2000, 69(11):2319-2323.            
Fabrizio MD, Kavoussi LR, Jackman S, Tseng E, Ratner LE: Laparoscopic nephrectomy for renal autotransplantation. Urology (Online). 2000 Jan;55(1):145     
Lu AD, Carter JD, Weinstein RJ, Stratta RJ, Taylor RJ, Stratta R, Bowers VD, Ratner LE, Chavin KD, Johnson LB, Kuo PC, Cole EH, Dafoe DC, Alfrey EJ.  Outcome in recipients of dual kidney transplants: an analysis of the dual registry patients.  Transplantation 2000, 69(2):281-285.            
Ratner LE, Montgomery RA, Kavoussi LR: Solid organ transplantation (letter).  Ann Int Med 1999, 131:478.            
Lee BR, Cadeddu JA, Molnar-Nadasdy G, Enriquez D, Nadasdy T, Kavoussi LR, Ratner LE: Chronic effect of pneumoperitoneum on renal histology.  J Endourol 1999, 13(4):279-282.        
Ratner LE, Fabrizio MD, Montgomery RA, Chavin KD, Mandal AK, Kavoussi LR.  Technical considerations in the delivery of the kidney during laparoscopic live donor nephrectomy.  J Am Coll     Surg 1999, 189(4):427-430. 
Ratner LE, Montgomery RA, Kavoussi LR:  Laparoscopic live donor nephrectomy:  The four year Johns Hopkins University experience. Nephrol Dial Transplant 1999,14:2090-2093.        
Fabrizio MD, Ratner LE, Kavoussi LR:  Laparoscopic live donor nephrectomy: Pro.  Urology 1999, 53(4):665-667.        
Hiller J, Sroka M, Weber R, Morrison AS, Ratner LE: Identifying donor concerns to increase live organ donation.  J Trans Coordination 1998, 8(1):51-54.     
Ratner LE, Montgomery RA, Kavoussi LR: Living-donor nephrectomies: laparoscopy and open techniques.  Arch Surg (letter) 1998, 133:1253.        
Ratner LE, Kavoussi LR, Chavin KD, Montgomery R: Laparoscopic live donor nephrectomy: Technical considerations and allograft vascular length.  Transplantation (letter) 1998, 65(12):1657-1658    
Smith PA, Ratner LE, Lynch FC, Fishman EK: Preoperative evaluation for laparoscopic nephrectomy in the living related renal donor: the role of dual-phase spiral CT angiography with 3D volume rendering.  RadioGraphics 1998, 18:589-601            
Hiller J, Sroka M, Weber R, Morrison AS, Ratner LE: Identifying donor concerns to increase live organ donation. J Trans Coor 1998, 8(1): 51-53.            
Ratner LE, Hiller J, Sroka M, Weber R, Ilze S, Montgomery RA, Kavoussi LR: Laparoscopic live donor nephrectomy removes disincentives to live donation. Transplantation Proceedings, 29:3402-3403, 1997.            
Ratner LE, Cigarroa FG, Bender JS, Magnuson TH, Kraus ES.  Transplantation of Single and Paired Pediatric Kidneys into Adult Recipients, Journal of the American College of Surgeons, 185:437-445, 1997.            
Hiller J, Sroka M, Holochek MJ, Morrison A, Kavoussi L, Ratner LE: Laparoscopic live donor nephrectomy offers significant functional advantages compared to conventional open donor nephrectomy.   J Trans Coor, 7(3):134-140, 1997.            
Zehr K, Rubin M, Ratner L: Apocrine adenocarcinoma presenting as a large ulcerated axillary mass.  Dermaltol Surg, 23(7):585-587, 1997.            
Magnuson TH, Ratner LE, Zenilman ME, Bender JS: Laparoscopic Cholecystectomy: Applicability in the geriatric population.  American Surgeon 1997, 63(1):91-96.            
Slakey DP, Patel S, Edwin D, Joseph V, Burdick J, Ratner LE: Patient Acceptance of Cadaveric Kidneys from Expanded Criteria Donors.   Transplantation Proceedings 1997, 29(1):116-117.            
Zachary AA, Hart JM, Bartlett ST, Burdick J, Colombani P, Ratner LE, Leffell MS: Local  impact of 1995 changes in the UNOS allocation system.  Transplantation 1997, 63(5):669-674.            
Ratner LE, Montgomery R, Schulam P, Kavoussi LR: Comparison of laparoscopic live  donor  nephrectomy versus the standard open approach.   Transplantation Proceedings 1997, 29(1):138-139.            
Ratner LE, Montgomery R, Zenilman ME, Bender JS: Laparoscopic Assisted Live Donor Nephrectomy: A comparison with the open approach.  Transplantation 1997, 63(2):229-233.            
Ibrahim S, Jakobs F, Zukin Y, Enriquez D, Holt D, Baldwin W, Sanfilippo F, Ratner LE: Immunohistochemical manifestations of unilateral kidney ischemia. Clinical Transplantation 1996, 10(6):646-652.            
Johnson LB, Kuo PC, Schweitzer EJ, Ratner LE, Klassen DK, Hoehn-Saric EW, de la  Torre A, Weir MR, Bartlett ST: Double renal allografts successfully increase utilization of   kidneys from older donors within a single organ procurement organization. Transplantation 1996, 62(11):1581-1583.            
Bender JS, Magnuson TH, Smith-Meek MA, Ratner LE, Smith GW: Will stereotactic breast biopsy achieve results as good as current techniques? American Surgeon, 1996, 62(8):637-640.            
Bender JS, Zenilman ME, Smith-Meek M, Ratner LE,  Jones CE, Magnuson TH, Smith GW: Outcome Following Colon Surgery in the Octogenarian.  Am Surg 1996, 62:276-279.            
Schulam PG, Kavoussi LR, Cheriff AD, Averch T, Montgomery R, Moore RG, Ratner LE: Laparoscopic Live Donor Nephrectomy: The Initial Three Cases.  J Urology 1996, 115:1857-1859.
Ratner LE, Kraus E, Magnuson TH, Bender JS: Transplantation of Kidneys from Expanded Criteria Donors.  Surgery 1996, 119(4):372-377.            
Ratner LE, Ciseck L, Moore R, Cigarroa FG, Kaufman H, Kavoussi LTC.  Laparoscopic Live Donor Nephrectomy.  Transplantation 1995, 60(9):1047-1049.      
 Magnuson TH, Bender JS, Campbell K, Ratner LE: Cholecystectomy in the Peritoneal Dialysis Patient: Unique Advantages to Laparoscopic Approach.  Surgical Endoscopy 1995, 9:908-909.            
 Bender JS, Ratner LE, Magnuson TH, Zenilman ME: The Acute Abdomen in the Hemodialysis Patient.  Surgery 1995, 117(5):494-497.            
Ratner LE, Joseph V, Zibari G, Patel S, Maley WR, Kittur D, Burdick J, Olson J: Transplantation of Kidneys From Hypertensive Cadaveric Donors.  Transplantation Proceedings 1995, 27(l):989-990.
Ratner LE, Bender J: A Novel Approach to the Drainage of Loculated Peri-Renal Allograft Lymphoceles: Dual Scope Laparoscopy.  Transplantation 1994, 58(8): 961-964.            
Montgomery R, Zibari G, Hill G, Ratner L: Renal Transplantation in Patients with Sickle Cell Nephropathy.  Transplantation 1994, 58(5):618-642.            
Fair JH, Mattei P, Guo YP, Ratner LE, Klein A, Burdick JF, Kittur D: Oligoclonal V usage in vitro after in vivo exposure to pig xenoantigen via extracorporeal pig liver perfusion.  Transplantation Proceedings 1994, 26(3):1340-1341.            
Chami TN, Ratner LE, Henneberry J, Smith DP, Hill G, Katz PO: Angiosarcoma of the small intestine: A case report and review of the literature.  American Journal of Gastroenterology 1994, 89(5):797-800.            
Ratner LE and Zibari G: Strategies for the Successful Transplantation of the horseshoe kidney.  Journal of Urology 1993, 150:958-960.            
Ratner LE, Phelan D, Brunt EM, Mohanakumar T, Hanto DW: Antibody-mediated failure of two sequential ABO compatible hepatic allografts in a single recipient.  Transplantation 1993, 55(4):814-819.            
Chardovoyne R, Stein TA, Ratner LE, Bank S, Wise L: Is colonoscopy safe in the early post colectomy period.  Am.  Surgeon 1991, 57(2):734-36.            
Ratner LE, Hadley GA, Hanto DW, and Mohanakumar T: Immunobiology of renal allograft rejection.  Archives of Pathology and Laboratory Medicine 1991, 115(3):283-¬287.            
Ratner LE and Flye MW: Successful transplantation of cadaveric en-bloc paired pediatric kidneys into adult recipients.  Transplantation 1991, 51(l): 273-275. 
Auguste LJ, Lackner R, Ratner L, Stein T, Bailey B: Prevention of stress-induced erosive gastritis by parenteral administration of arachidonic acid.  J of Parenteral & Enteral Nutrition 1990, 14 (6):615-617.            
Flye MW, Duffy B, Phelan D, Ratner LE and Mohanakumar T: Protective effects of liver transplantation on a simultaneously transplanted kidney in a highly sensitized patient.  Transplantation 1990, 50:1051-1054, 1990.            
Ratner LE, Clayman RV, Hanto DW: Obstructive uropathy due to ureteral candidiasis in a renal allograft.  Clinical Transplantation 1990, 4:202.            
Cohen JR, Sarfati I, Ratner L, Tilson D:  Alpha-1-antitrypsin phenotypes in patients with abdominal     aortic aneurysms.  J Surg Res 1990,49(4):319-321.        
Chardovoyne R, Ratner LE, Jaume JC, Stein TA, Greenberg F, Bank S, Wise L: Safety of endoscopy     in the immediate post-operative period following gastric anastomosis.  Surg Endoscopy 1989, 3:13-15.        
Munoz E, Luber J, Ratner L, Goldstein J, Margolis 1, Wise L: The identifier concept: Variables to stratify patient costs within cardiothoracic diagnostic related groups.  J of Thoracic and Cardiovascular Surgery 1988, 96:376-381.            
Munoz E, Ratner L, Cohen J, Johnson H, Goldstein J, Wise L: A study of change in clinical service for general surgical patients. Quality Review Bulletin 1988, 14(10):311-314.            
Munoz E, Johnson H, Margolis I, Ratner L, Mulloy D, Wise L: DRGs orthopedic surgery and age at our academic medical center. Orthopedics 1988, 11(12):1645-165 1, 1988.