Quantification Analysis of the Intraoperative Bacterial Contamination Rate and Level in Osteochondral Autografts

The American Journal of Sports Medicine
Abdulaziz Z AlomarFawzi F Aljassir

Abstract

Inadvertent contamination of osteochondral (OC) autografts during harvesting and preparation can lead to significant complications and can cause the operating team to weigh the infection risk after reimplantation against discarding the OC fragment. The most commonly reported contamination mechanism is the accidental dropping of an OC fragment; however, associated contamination levels remain unclear. The rate and level of contamination during standard harvesting and preparation are also unknown. To quantitatively evaluate the rate and level of bacterial contamination of OC autografts during harvesting and preparation compared with those of accidently dropped autografts. Controlled laboratory study. Under sterile conditions, 138 fresh OC specimens were harvested and retrieved from 23 primary total knee arthroplasties (TKAs). Six OC fragments were retrieved from each TKA: 3 were used as controls, and 3 were dropped onto the operating room floor. Each specimen was incubated to allow for aerobic and anaerobic growth, and the number of colony-forming units (CFUs) per gram was calculated. Contamination rates (positive cultures) for the control and dropped groups were 29% (n = 20/69) and 42% (n = 29/69), respectively. The difference in...Continue Reading

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Citations

Jun 3, 2014·BMC Ophthalmology·Jorge E Valdez-GarcíaJuan F Lozano-Ramírez
Oct 11, 2017·Knee Surgery, Sports Traumatology, Arthroscopy : Official Journal of the ESSKA·Daniel Pérez-PrietoJoan C Monllau
Oct 29, 2020·Journal of Orthopaedic Trauma·Seyed Mohammad Javad MortazaviAli Shahabinezhad
May 21, 2021·European Journal of Orthopaedic Surgery & Traumatology : Orthopédie Traumatologie·Harun AltınayakSüleyman Özdemir

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