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英国急性非静脉曲张性上消化道出血后合并凝血障碍患者的流行率、处理方法和结局。

Prevalence, management, and outcomes of patients with coagulopathy after acute nonvariceal upper gastrointestinal bleeding in the United Kingdom.

机构信息

NHS Blood & Transplant and the Translational Gastroenterology Unit, Oxford University Hospitals, Oxford, UK.

出版信息

Transfusion. 2013 May;53(5):1069-76. doi: 10.1111/j.1537-2995.2012.03849.x. Epub 2012 Aug 15.

Abstract

BACKGROUND

Coagulopathy after major hemorrhage has been found to be an independent risk factor for mortality after traumatic bleeding. It is unclear whether similar associations are present in other causes of major hemorrhage. We describe the prevalence, use of plasma, and outcomes of patients with coagulopathy after acute nonvariceal upper gastrointestinal bleeding (NVUGIB).

STUDY DESIGN AND METHODS

This study was a multicenter UK national audit. Data were collected prospectively on consecutive admissions with upper gastrointestinal bleeding over a 2-month period to 212 UK hospitals. Coagulopathy was defined as an international normalized ratio (INR) of at least 1.5. Logistic regression was used to examine the relationship between coagulopathy and patient-related outcome measures of mortality, rebleeding, and need for surgery and/or radiologic intervention.

RESULTS

A total of 4478 patients were included in the study. Coagulopathy was present in 16.4% (444/2709) of patients in whom an INR was recorded. Patients with coagulopathy were more likely to present with hemodynamic shock (45% vs. 36%), have a higher clinical Rockall score (4 vs. 2), receive red blood cell transfusion (79% vs. 48%) and have high-risk stigmata of hemorrhage at endoscopy (34% vs. 25%). After adjustment for confounders the presence of a coagulopathy was associated with a fivefold increased in the odds of mortality (odds ratio, 5.63; 95% confidence interval, 3.09-10.27; p < 0.001). Only 35% of patients with coagulopathy received fresh-frozen plasma transfusion.

CONCLUSIONS

Coagulopathy was prevalent in 16% of patients after NVUGIB and independently associated with more than a fivefold increase in the odds of in-hospital mortality. Wide variation in plasma use exists indicates clinical uncertainty regarding optimal practice.

摘要

背景

大量出血后的凝血功能障碍已被证实是创伤性出血后死亡的独立危险因素。目前尚不清楚在其他大量出血的原因中是否存在类似的关联。我们描述了急性非静脉曲张性上消化道出血(NVUGIB)后凝血功能障碍患者的患病率、血浆使用情况和结局。

研究设计和方法

这是一项多中心英国全国性审计研究。在 2 个月的时间里,前瞻性地收集了 212 家英国医院连续收治的上消化道出血患者的数据。凝血功能障碍定义为国际标准化比值(INR)至少为 1.5。使用逻辑回归检查凝血功能障碍与患者相关的死亡率、再出血、以及是否需要手术和/或放射介入治疗的预后测量之间的关系。

结果

共纳入 4478 例患者。在记录 INR 的 2709 例患者中,有 16.4%(444/2709)存在凝血功能障碍。凝血功能障碍患者更有可能出现血流动力学休克(45% vs. 36%)、更高的临床 Rockall 评分(4 vs. 2)、接受红细胞输注(79% vs. 48%)和内镜下有高危出血迹象(34% vs. 25%)。调整混杂因素后,凝血功能障碍的存在与死亡率增加 5 倍相关(比值比,5.63;95%置信区间,3.09-10.27;p < 0.001)。只有 35%的凝血功能障碍患者接受了新鲜冷冻血浆输注。

结论

NVUGIB 后凝血功能障碍的患病率为 16%,与住院死亡率增加 5 倍以上独立相关。血浆使用的广泛差异表明,临床实践中对最佳治疗方案存在不确定性。

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