术中骨块掉地上怎么办?捡,还是不捡?
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在自体取髂骨移植或骨折内固定时,遭遇较大骨块掉落至地面,如何优雅地捡起来?循证医学给出了答案。
————参考文献:Mortazavi SMJ, Ghasemi MA, Khan FMY, Zarei M, Shahabinezhad A. Contamination and Decontamination of Autologous Bone in the Operating Room: A Systematic Review. J Orthop Trauma. 2021 Feb 1;35(2):65-70.
在骨科手术中,经常需要进行自体骨移植,其中又以取髂骨最为常见。在手术中偶尔会出现移植骨块掉落,在这种情况下,掉落骨块能否重新消毒再用,成为困扰医生的难题。
针对上述问题,国外学者进行了一项循证医学研究,对骨块是否能再用及最佳的消毒方式作出了解答。上述内容发表在2021.02期JOT杂志上。
(To perform a systematic review of the literature to determine the rate of contamination of autologous bone fragments inadvertently dropped on the operating room floor, the microbial profile (contaminating organism), and the outcome of intraoperative decontamination techniques in terms of effectiveness and cellular toxicity.)
(PubMed, Medline, and Embase were searched for English literature published from 1990 through 2020 using terms such as “bone graft contamination,” “dropped osteoarticular fragments,” “autogenous bone decontamination,” and similar interchangeable words.)
(The rate of contamination for dropped osteoarticular or osteochondral host fragment approached 40%. Staphylococcus epidermidis was the most common organism contaminating the bone graft when dropped on the operating room floor. A 5-minute bath in 10% povidone-iodine solution followed by 1-minute bulb syringe lavage with normal saline has proved successful in decontamination and maintenance of cellular viability.)
表1:骨块污染率污染方式
表2:污染生物
表3:消毒方法:有效性与细胞毒性
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