Prevalence and Risk Factors of Asymptomatic Lower Extremity Deep Venous Thrombosis in Asian Neurorehabilitation Admissions in Singapore

被引:13
作者
Chua, Karen [1 ]
Kong, Keng He [1 ]
Chan, Siew Pang [2 ]
机构
[1] Tan Tock Seng Hosp, Dept Rehabil Med, Singapore 569766, Singapore
[2] Tan Tock Seng Hosp, Clin Res Unit, Singapore 569766, Singapore
来源
ARCHIVES OF PHYSICAL MEDICINE AND REHABILITATION | 2008年 / 89卷 / 12期
关键词
Brain injuries; Rehabilitation; Stroke; Subarachnoid hemorrhage; Venous thromboembolism;
D O I
10.1016/j.apmr.2008.05.025
中图分类号
R49 [康复医学];
学科分类号
100215 ;
摘要
Objective: To determine the local prevalence and risk factors of asymptomatic lower limb deep venous thrombosis (DVT) among neurorehabilitation admissions. Design: A prospective observational single-center Study. Setting: Tertiary rehabilitation center affiliated to a public hospital. Participants: A total of 419 Asian neurorehabilitation admissions with a mean of 26 days to rehabilitation. Intervention: Admission screening protocol included quantitative D-dimer assay within 24 to 48 hours of rehabilitation admission and targeted hemiplegic/weaker lower-extremity venous duplex Ultrasonography was performed if D-dimer assay level was elevated at 0.34 mu g/mL or higher. Main Outcome Measures: There were 251 (59.9%) men. and the Subjects were predominantly Chinese (76.6%). Subjects had a mean age of 59 +/- 15 years. Admitting, diagnoses included ischemic stroke (2 12), hemorrhagic stroke and subarachnoid hemorrhage (129), traumatic brain injury (59), and nontraumatic brain injury (19). The screening protocol included it quantitative D-dimer assay within 24 to 48 hours of rehabilitation admission, and hemipleaic/weaker lower-extremity venous duplex ultrasonography was performed if D-dimer assay level was elevated at 0.34 mu g/mL or higher. Results: Altogcther, 247 (58.9%) patients had an elevated D-dimer assay, and all underwent venous duplex ultrasonography. The incidence of lower-limb DVT was 5.01% (21). including 11 proximal and 10 distal DVT. No patients had clinical pulmonary embolism. Using 247 venous duplex ultrasonography results for analyses of correlates with logistic regression analyses, no significant demographic or clinical predictive factors for DVT were found. Conclusions: This Study confirms that asymptomatic lower limb DVT is indeed uncommon in Asian neurorehabilitation admissions. Possible reasons include genetic or ethnic protective factors, early walking initiated at rehabilitation. and timing of the admission protocol (median of 14 days postevent) when the maximal thrombotic risk was on the decline.
引用
收藏
页码:2316 / 2323
页数:8
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