Investigating the demographics, comorbidities, and postoperative complications and impact of a history of cocaine use in patients undergoing total knee arthroplasty.

Introduction: Cocaine is a commonly abused stimulant that can affect surgical outcomes. The purpose of our study is to better understand the associations and effects of a reported history of cocaine use in patients undergoing total knee arthroplasty (TKA) compared to patients with no prior cocaine use.

Methods: 558,371 TKA patients were identified from 2016 to 2019 in the National Inpatient Sample (NIS) database using ICD-10 CM/PCS codes.

Nasal dorsal augmentation with freeze-dried allograft bone.

Background: Properly prepared freeze-dried bone has been used with impunity by orthopedic surgeons since 1992 without a single report of disease transmission. The aim of this study was to evaluate freeze-dried cortical allograft bone for nasal dorsal augmentation.

Methods: Freeze-dried human cortical bone was obtained from DCI Donor Services, Nashville, Tennessee.