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Am J Med. 2018 Apr;131(4):408-414. doi: 10.1016/j.amjmed.2017.10.051. Epub 2017 Dec 29.

Marijuana Use and Renal Function Among US Adults.

Author information

1
Department of Epidemiology, Harvard T.H. Chan School of Public Health, Boston, Mass.
2
Cyprus International Institute for Environmental and Public Health, Limassol, Cyprus.
3
Division of Nephrology, Department of Medicine, Beth Israel Deaconess Medical Center and Harvard Medical School, Boston, Mass.
4
Department of Epidemiology, Harvard T.H. Chan School of Public Health, Boston, Mass; Cardiovascular Division, Department of Medicine, Beth Israel Deaconess Medical Center and Harvard Medical School, Boston, Mass. Electronic address: mmittlem@hsph.harvard.edu.

Abstract

BACKGROUND:

In recent years, the number of states that have legalized medical marijuana or retail sales has increased, bringing potential changes of marijuana use pattern among the general population. However, health effects of acute and chronic marijuana use on many relevant health outcomes, including renal function, remain largely unexamined. In this study, we aimed to assess the association between recent and past marijuana use and renal function.

METHODS:

We conducted a cross-sectional study among 13,995 US adults aged 18 to 59 years in the National Health and Nutrition Examination Survey from 2007 to 2014. We examined associations between marijuana use and serum creatinine concentration, estimated glomerular filtration rate (eGFR), and odds of having stage 2 or greater chronic kidney disease using weighted multivariable linear regression.

RESULTS:

In the study population, 6483 were never users, 5499 were past users, and 2013 were current users. Marijuana use did not have a significant association with serum creatinine, eGFR, or odds of having stage 2 or greater chronic kidney disease. Serum creatinine and eGFR had an increasing trend comparing past and current users with never users that did not reach statistical significance. All associations remained unchanged in the sensitivity analysis restricted to people without cardiovascular disease.

CONCLUSIONS:

We did not observe any clinically significant association between current or past self-reported marijuana use and measures of kidney function.

KEYWORDS:

Marijuana use; Renal function

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