全球精选文摘 - 卒中后使用长至大腿的逐段加压袜降低深静脉血栓风险的有效性(CLOTS试验 1)：一项多中心、随机、对照试验

Effectiveness of thigh-length graduated compression stockings to reduce the risk of deep vein thrombosis after stroke (CLOTS trial 1): a multicentre, randomised controlled trial

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Lancet, 2009,

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Background:
Deep vein thrombosis (DVT) and pulmonary embolism are common after stroke. In small trials of patients undergoing surgery, graduated compression stockings (GCS) reduce the risk of DVT. National stroke guidelines extrapolating from these trials recommend their use in patients with stroke despite insufficient evidence. We assessed the effectiveness of thigh-length GCS to reduce DVT after stroke.

Methods:
In this outcome-blinded, randomised controlled trial, 2518 patients who were admitted to hospital within 1 week of an acute stroke and who were immobile were enrolled from 64 centres in the UK, Italy, and Australia. Patients were allocated via a central randomisation system to routine care plus thigh-length GCS (n=1256) or to routine care plus avoidance of GCS (n=1262). A technician who was blinded to treatment allocation undertook compression Doppler ultrasound of both legs at about 7–10 days and, when practical, again at 25–30 days after enrolment. The primary outcome was the occurrence of symptomatic or asymptomatic DVT in the popliteal or femoral veins. Analyses were by intention to treat. This study is registered, number ISRCTN28163533.

Findings:
All patients were included in the analyses. The primary outcome occurred in 126 (10·0%) patients allocated to thigh-length GCS and in 133 (10·5%) allocated to avoid GCS, resulting in a non-significant absolute reduction in risk of 0·5% (95% CI –1·9% to 2·9%). Skin breaks, ulcers, blisters, and skin necrosis were significantly more common in patients allocated to GCS than in those allocated to avoid their use (64 [5%]vs 16 [1%]; odds ratio 4·18, 95% CI 2·40–7·27).

Interpretation:
These data do not lend support to the use of thigh-length GCS in patients admitted to hospital with acute stroke. National guidelines for stroke might need to be revised on the basis of these results.

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疾病资源中心

高血压	慢性阻塞性肺病
脂肪性肝病	糖尿病
卒中	肺癌
冠心病	子宫内膜异位症
结直肠癌	乳腺癌
心力衰竭	心律失常

病例分析 [栏目介绍]

甲状腺功能亢进合并黄疸

王燕燕王曙

上海交通大学附属瑞金医院内分泌科

患者，女，69岁。2009年1月无明显诱因下出现乏力，当时程度较轻，未予以重视。2009年3月患者乏力症状加重，尿色逐渐加深，大便习惯改变，颜色变淡。4月18日入我院感染科治疗，诉轻度头晕、心慌，体重减轻10kg。无肝区疼痛，无发热，无腹痛、腹泻、腹胀、里急后重，无恶性、呕吐等。入院半月前于外院就诊，查肝功能：ALT 601IU/L，AST 785IU/L，TBIL 97.7umol/L，白蛋白 41g/L，甲状腺功能：游离T3 30.6pmol/L，游离T4 51.9pmol/L，心电图示快速房颤。

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