截肢指部移植:关键指部缺血时间,温度和其他生存预测因素
Arman J Fijany1, Sara C Chaker, Hannah P Egozi
1From the Department of Plastic Surgery, Vanderbilt University Medical Center, Nashville, TN.
Annals of plastic surgery
|May 10, 2024
概括
数字移植成功显著改善,冷 ischemia 保存,延长活力超出传统的限制. 快速冷却对于优化数字移植手术的结果至关重要.
科学领域:
- 整形外科手术 整形外科手术
- 微手术 微手术是一种微手术.
- 创伤护理 创伤护理
背景情况:
- 数字移植成功的传统限制是12小时的温暖缺血和24小时的冷缺血,这主要是基于事证据.
- 优化数字移植成功需要更好地了解缺血时间和保存温度的影响.
- 现有的文献缺乏综合数据,比较基于不同缺血持续时间和保存方法的生存率.
研究的目的:
- 根据缺血时间和保存温度进行元分析,比较手指移植的存活率.
- 为参与数字移植的外科医生和医疗保健专业人员提供基于证据的指导.
- 为了潜在地扩大成功移植手指的已建立的缺血时间限制.
主要方法:
- 在PubMed数据库上进行了系统的文献搜索,以查找数字移植存活率数据.
- 用Mantle-Haenszel方法和千平方统计学分析了保存温度和缺血时间的数据.
- 统计分析和森林地块使用RevMan 5.4软件生成,置信区间为95%.
主要成果:
- 在冷缺血中保存超过12小时的数字显示,与 0-12小时热缺血相比,重植成功率显著更高.
- 早期再种植 (0-6小时) 的生存率大约比后期再种植 (6-12小时) 大40%.
- 较高的生存率与切断截肢,成功的动脉和静脉解剖无静脉移植以及非吸烟者有关.
结论:
- 当数字不能在寒冷的环境中保存时,时间对于数字再种植的成功至关重要.
- 缩短缺血时间的好处在于,当数字在冷缺血中迅速和适当地存储时,缺血时间会减少.
- 这些发现表明,有可能延长数字再植入的缺血时间限制,特别是在适当的冷藏的情况下.
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