Ngan Lam

Associate Professor

Division of Nephrology, Southern Alberta Transplant Program

Associate Professor

Department of Community Health Sciences


University of Toronto, 2007

MSc - Clinical Epidemiology and Biostastics

Western University, 2015

Contact information


Office: 403.210.7961

Research and teaching

Research areas

  • health research outcomes
  • cardiovascular disease
  • kidney transplant recipients
  • living kidney donors


Dr. Ngan Lam is a Clinician-Scientist and Transplant Nephrologist (Associate Professor, Division of Nephrology) at the University of Calgary. She completed her fellowships in Nephrology and Clinical Kidney Transplantation at Western University. Dr. Lam also completed her Master of Science in Clinical Epidemiology and Biostatistics at Western University and is a graduate of the KRESCENT Post-Doctoral Fellowship (2012-2015). She was awarded the KRESCENT New Investigator Award (2015-2018) to continue her research on the long-term outcomes of kidney transplant recipients and living kidney donors.




Koraishy FM, Yamout H, Naik AS, Zhang Z, Schnitzler MA, Ouseph R, Lam NN, Dharnidharka VR, Axelrod D, Hess GP, Segev DL, Kasiske BL, Lentine KL. Impacts of center and clinical factors in antihypertensive medication use after kidney transplantation. Clinical Transplantation 2020 Mar;34(3):e13803. 

Mace-Brickman T, Eddeen AB, Carrero JJ, Mark PB, Molnar AO, Lam NN, Zimmerman D, Harel Z, Sood MM. The risk of stroke and stroke type in patients with atrial fibrillation and chronic kidney disease. Canadian Journal of Kidney Health and Disease 2019 Dec 4;6:1-9.

Lentine KL, Shah KS, Kobashigawa J, Xiao H, Zhang Z, Axelrod DA, Lam NN, Segev DL, McAdams-DeMarco MA, Randall H, Hess GP, Yuan H, Vest LS, Kasiske BL, Schnitzler MA. Prescription opioid use before and after heart transplant: Associations with posttransplant outcomes. American Journal of Transplantation 2019 Dec;19(12)3405-3414. 

Vallance JK, Johnson ST, Thompson S, Wen K, Lam NN, Boyle T, Juárez I, Shojai S. Prevalence and correlates of accelerometer-based physical activity and sedentary time among kidney transplant recipients. Canadian Journal of Kidney Health and Disease 2019 Oct 29;6:1-9.

Lentine KL, Koraishy FM, Sarabu N, Naik AS, Lam NN, Garg AX, Axelrod D, Zhang Z, Hess GP, Kasiske BL, Segev DL, Henderson ML, Massie AB, Holscher CM, Schnitzler MA. Associations of obesity with antidiabetic medication use after living kidney donation: An analysis of linked national registry and pharmacy fill records. Clinical Transplantation 2019 Oct;33(10):e13696. 

Lam NN, James MT. Editorial: Evaluating transcatheter aortic valve replacement in kidney transplant recipients: Characterizing opportunities to improve outcomes. Canadian Journal of Cardiology 2019  Sep;35(9):1085-1087.

Lentine KL, Holscher CM, Naik AS, Lam NN, Segev DL, Garg AX, Axelrod D, Xiao H, Henderson ML, Massie AB, Kasiske BL, Hess GP, Hsu C, Park M, Schnitzler MA. Postdonation eGFR and new-onset antihypertensive medication use after living kidney donation. Transplantation Direct 2019 July 25;5(8):e474.

Massicotte-Azarniouch D, Kuwornu JP, McCallum MK, Bansal N, Lam N, Molnar AO, Pun P, Zimmerman D, Garg AX, Sood MM. The association of kidney function and albuminuria with the risk and outcomes of syncope: A population-based cohort study. Canadian Journal of Cardiology 2018 Dec;34(12):1631-1640. 

de Chickera SN, Bota SE, Kuwornu JP, Wijeysundera HC, Molnar AO, Lam NN, Silver SA, Clark EG, Sood MM. Albuminuria, reduced kidney function, and the risk of ST- and non-ST-segment-elevation myocardial infarction. Journal of the American Heart Association 2018 Oct 16;7(20):e009995. 

Lam NN, Klarenbach S, Quinn RR, Hemmelgarn B, Tonelli M, Ye F, Ravani P, Bello A, Brennan DC, Lentine KL. Renal function, albuminuria, and the risk of cardiovascular events after kidney transplantation. Transplantation Direct 2018 Sept 6;4(10):e389.

Vest LS, Koraishy FM, Zhang Z, Lam NN, Schnitzler MA, Dharnidharka VR, Axelrod D, Naik AS, Alhamad TA, Kasiske BL, Hess GP, Lentine KL. Metformin use in the first year after kidney transplant, correlates, and associated outcomes in diabetic transplant recipients: A retrospective analysis of integrated registry and pharmacy claims data. Clinical Transplantation 2018 Aug;32(8):e13302. 

Massicotte-Azarniouch D, Kuwornu JP, Carrero JJ, Lam NN, Molnar AO, Zimmerman D, McCallum MK, Garg AX, Sood MM. Incident atrial fibrillation and the risk of congestive heart failure, myocardial infarction, end-stage kidney disease, and mortality among patients with a decreased estimated GFR. American Journal of Kidney Diseases 2018 Feb;71(2):191-199. 

Lam NN, Lentine KL, Garg AX. Renal and cardiac assessment of living kidney donor candidates. Nature Reviews Nephrology 2017 July;13(7):420-428. 

Lam NN, Schnitzler MA, Segev DL, Hess GP, Kasiske BL, Randall HB, Axelrod D, Xiao H, Garg AX, Brennan DC, Lentine KL. Diabetes mellitus in living pancreas donors: Use of integrated national registry and pharmacy claims data to characterize donation-related health outcomes. Transplantation 2017 Jun;101(6):1276-1281. 

Keskar V, McArthur E, Wald R, Harel Z, Zimmerman D, Molnar AO, Garg AX, Lam NN, McCallum MK, Bota SE, Perl J, Sood MM. The association of anticoagulation, ischemic stroke, and hemorrhage in elderly adults with chronic kidney disease and atrial fibrillation. Kidney International 2017 Apr;91(4):928-936. 

Lam NN, Kim SJ, Knoll GA, McArthur E, Lentine KL, Naylor KL, Li AH, Shariff SZ, Ribic CM, Garg AX. The risk of cardiovascular disease is not increasing over time despite aging and higher co-morbidity burden of kidney transplant recipients. Transplantation 2017 Mar;101(3):588-596. 

Roshanov PS, Walsh M, Devereaux PJ, MacNeil SD, Lam NN, Hildebrand AM, Acedillo RR, Mrkobrada M, Chow CK, Lee VW, Thabane L, Garg AX. External validation of the Revised Cardiac Risk Index and update of its renal variable to predict 30-day risk of major cardiac complications after non-cardiac surgery: rationale and plan for analyses of the VISION study. BMJ Open 2017 Jan 9;7(1):e013510. 

Garg AX, Nevis IF, McArthur E, Sontrop JM, Koval JJ, Lam NN, Hildebrand AM, Reese PP, Storsley L, Gill JS, Segev DL, Habbous S, Bugeja A, Knoll GA, Dipchand C, Monroy-Cuadros M, Lentine KL; DONOR Network. Gestational hypertension and preeclampsia in living kidney donors. The New England Journal of Medicine 2015 Jan;372(2):124-133. 

The Vascular events In noncardiac Surgery patIents cOhort evaluatioN (VISION) Writing Group, on behalf of VISION Study Investigators. Myocardial injury after noncardiac surgery: A large, international, prospective cohort study establishing diagnostic criteria, characteristics, predictors, and 30-day outcomes. Anesthesiology 2014 Mar;120(3):564-578.

Lam N, Sekhon G, House AA. Metformin-associated lactic acidosis following intentional overdose successfully treated with tris-hydroxymethyl aminomethane and renal replacement therapy. Case Reports in Nephrology 2012;2012:671595. 

Garg AX, Meirambayeva A, Huang A, Kim J, Prasad GV, Knoll G, Boudville N, Lok C, McFarlane P, Karpinski M, Storsley L, Klarenbach S, Lam N, Thomas SM, Dipchand C, Reese P, Doshi M, Gibney E, Taub K, Young A; Donor Nephrectomy Outcomes Research Network. Cardiovascular disease in kidney donors: Matched cohort study. British Medical Journal 2012 Mar 1;344:e1203. 

Lam N, Leong-Sit P, Garg AX. Editorial: The role of implantable cardioverter-defibrillators in long-term dialysis patients. American Journal of Kidney Diseases 2011;58(3):338-339. 

Lam NN, Jain AK, Hackam DG, Cuerden MS, Suri RS, Huo CY, Li P, Clark WF, Garg AX. Results of a randomized controlled trial on statin use in dialysis patients had no influence on statin prescription. Kidney International 2009;76:1172-1179. 

Casaubon LK, Saltman A, Peeva V, Ennis M, Lam N, Silver FL, Kapral MK. Variability in physician care practices for glucose treatment in stroke patients. The Canadian Journal of Neurological Sciences 2008;35(5):573-582. 


2015 – 2016  Honourable Mention: Teacher of the Year Award, University of Alberta, Edmonton, AB
2015 – 2018  KRESCENT/CIHR New Investigator Award 
2012 – 2015  KRESCENT/CIHR Post-Doctoral Fellowship