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Marijuana Use and Mortality following Orthopedic Surgical Procedures
Andrew S. Moon, BS; Walter Smith, BS; Sawyer Mullen, BS; Brent A. Ponce, MD; Gerald McGwin, PhD; Ashish Shah, MD; & Sameer M. Naranje, MD, MRCS
Substance Abuse Vol. 40, Iss. 3, 2019
“Despite a growing body of literature on the health implications of marijuana use, no studies to date have assessed the effects of marijuana use in patients undergoing common inpatient orthopedic procedures. The present study was intended to help fill this gap in the literature, focusing on the relationship between marijuana use and mortality, as well as comorbidities in patients undergoing common orthopedic surgeries using a national database. This analysis identified that marijuana use was associated with decreased in-hospital mortality in patients undergoing total hip and knee arthroplasty, shoulder arthroplasty, and traumatic femur fixation. Also identified was a positive association between marijuana use and cardiac disease in patients undergoing total hip and knee arthroplasty and spinal fusion, though a negative association was observed among trauma traumatic femur fixation patients. Regarding stroke, a positive association was observed among patients undergoing total hip and knee arthroplasty, shoulder arthroplasty, and spinal fusion. Finally, for heart failure, there was a positive association for total hip and knee arthroplasty but a negative association for trauma traumatic femur fixation patients. These results should be interpreted in light of the lack of precision observed for many of the associations owing to the relatively small number of reported marijuana users. If validated, given current trends towards increasing legalization and usage of marijuana, the results of this study have significant implications and health care providers should be aware of the potential health associations of marijuana use in patients undergoing orthopaedic surgical procedures.”
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