全膝关节置换术中不同压力止血带对术后肿胀及疼痛影响的临床研究Different pressure tourniquet on postoperative pain and swelling after TKA in clinical research
马骏;李国庆;曹力;
摘要(Abstract):
[目的]探讨全膝关节置换术(TKA)中降低止血带压力是否会减少周围组织缺血再灌注损伤,从而降低患者术后股四头肌疼痛和肿胀程度的发生。[方法]2011年5月~2012年10月,在新疆医科大学第一附属医院关节外科行初次、单侧TKA的膝关节骨性关节炎患者83例,采用随机数字表法将84例患者随机分为3组,A组:采用止血带压力为260 mmHg(1 mmHg=0.133 kPa),共25例,平均年龄69.44岁;B组:采用止血带压力为280 mmHg,共30例,平均年龄69.53岁;C组:采用止血带压力为300 mmHg,共28例,平均年龄68.96岁。对三组患者术前资料经行统计学比较,表1所示,差异均无统计学意义(P>0.05)。对三组患者术后3 d的股四头肌肿胀率、疼痛视觉模拟评分(VAS)经行记录,方差分析。[结果]三组患者术后第3dVAS疼痛评分:A组患者术后止血带处疼痛明显小于B、C组患者(P<0.05,差异具有统计学意义);B组患者和C组患者术后疼痛评分相近,两组患者术后疼痛程度相似,(P>0.05,无明显差异)。患肢股四头肌肿胀程度:A组患者术后的股四头肌肿胀较术前的肿胀程度明显小于B、C两组患者(P<0.05,差异具有统计学意义),而B、C两组之间术后股四头肌肿胀程度没有明显的区别(P>0.05,差异无统计学意义)。[结论]TKA手术中止血带可引起组织缺血再灌注损伤,但盲目降低术中止血带的压力并不能减少组织损伤程度,进而减少各项不良并发症的发生。
关键词(KeyWords): 全膝关节置换术(TKA);止血带;压力;缺血再灌注损伤;术后并发症
基金项目(Foundation):
作者(Author): 马骏;李国庆;曹力;
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DOI:
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