Injury:胫骨开放性骨折的感染率在下降

2014-07-01 超人也想当好医生 丁香园

每年每100,000人中就有11.5人发生长骨开放性骨折,而且几乎都是高能量创伤造成的。其中胫骨干骨折是最常见的下肢开放性骨折。临床上最常用的开放性骨折分型是Gustilo分型。 开放性骨折的处理对临床医生充满挑战性。最初的治疗方案是清除污染的软组织、恢复软组织活性和适当的骨折内固定。而软组织坏死、骨折不愈合和感染导致截肢术是开放性骨折术后的主要并发症。 可旋转筋膜蒂皮瓣(Rotati

每年每100,000人中就有11.5人发生长骨开放性骨折,而且几乎都是高能量创伤造成的。其中胫骨干骨折是最常见的下肢开放性骨折。临床上最常用的开放性骨折分型是Gustilo分型。

开放性骨折的处理对临床医生充满挑战性。最初的治疗方案是清除污染的软组织、恢复软组织活性和适当的骨折内固定。而软组织坏死、骨折不愈合和感染导致截肢术是开放性骨折术后的主要并发症。

可旋转筋膜蒂皮瓣(Rotational fasciocutaneous flaps)和游离肌肉组织移植等微创手术技术的发展使开放性骨折的治疗获得良好的疗效。Godiva教授认为伤口在受伤后5天内闭合,可使皮瓣移植失败率、感染率、住院时间和其他相关的治疗并发症大大降低。

最近英国骨科协会(BOA)和英国整形外科协会(BAPRAS)发布了关于开放性骨折的处理指南,提出了预防性应用抗生素、早期的清创、骨折复位稳定和软组织修复的最佳时间对开放性骨折的预后非常重要。因此,临床医生通过尽可能早地关闭开放性伤口和使用负压引流系统(Vac-pack treatment)可获得良好的疗效。

制定指南的目的是降低开放性骨折术后并发症的发生率和感染率。创口浅表的感染可通过清创术和抗生素的使用大大降低发生的几率。而深部感染常常可引起骨髓炎或髓内脓毒血症,很难通过上述方法处理。

胫骨骨折可选择的固定方法较多,如外固定环、髓内钉或钢板等均可获得满意的固定效果。而软组织损伤程度、骨折类型、患者合并的疾病(周围血管病或血管损伤)都可影响固定物的选择。


开放性骨折的治疗方案在不断更新,距离Godina教授最初提出的胫骨开放性骨折的处理方法已经有三十年了,那到底严重开放性骨折的感染率有没有降低呢?作者通过比较GustiloⅢA和ⅢB型骨折行外固定或髓内钉治疗后的深部感染率(见表1、2)。研究结果提示开放性骨折的深部感染率在逐年下降。

表1:外固定治疗胫骨开放性骨折


表2:髓内钉治疗胫骨开放性骨折


作者坚信,随着分子医学、微生物学、移植物学(impantology)、微创技术和生物疗法的不断发展,开放性骨折的治疗将不断取得进步。

原始出处:

Ktistakis I1, Giannoudi M1, Giannoudis PV2.Infection rates after open tibial fractures: Are they decreasing?Injury. 2014 Jul;45(7):1025-7. doi: 10.1016/j.injury.2014.03.022. Epub 2014 Apr 3.

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    2014-12-29 xuqianhua
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    2014-07-03 yb6561