Score IDs Patients With Upper Extremity DVT at Low Risk

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Upper Extremity DVT
Upper Extremity DVT

(HealthDay News) — For patients with upper-extremity deep vein thrombosis (DVT), six easily available factors can be used to create a score that identifies those at low risk of adverse events during the first week, according to a study published online May 18 in the Journal of Thrombosis and Haemostasis.

Vladimir Rosa-Salazar, MD, from the Hospital Clínico Universitario Virgen de la Arrixaca in Murcia, Spain, and colleagues used data from a registry to identify patients with upper-extremity DVT who were at risk for pulmonary embolism (PE), major bleeding, or death within the first week. The authors recruited 1,135 outpatients with upper-extremity DVT.

The researchers found that 0.26% of participants experienced PE, 0.18% had major bleeding, and 0.35% died during the first week. Patients were assigned points for chronic heart failure, creatinine clearance levels, recent bleeding, abnormal platelet count, recent immobility, and cancer. Sixty-seven percent of the patients scored ≤1 point and were classified as low risk. The rate of the composite outcome was 0.26% among low-risk patients, compared with 1.86% for other patients (C-statistic, 0.73).

"Using six easily available variables, we identified outpatients with upper-extremity DVT at low risk for adverse events within the first week," the authors write. "These data may help to safely treat more patients at home."

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