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临床Evaluation of Venous Thromboembolism Recurrence Scores in an Unprovoked Pulmonary Embolism Population: A Post-hoc Analysis of the PADIS-PE trial. 复制标题

  • 影响指数:2.02
  • 期刊:The American journal of medicine
  • 发表时间:2020-08-01
  • DOI:10.1016/j.amjmed.2020.03.040 复制DOI

研究方向

肺栓塞

BACKGROUND:We aimed to validate the Men Continue and HERDOO2 (HERDOO2), D-dimer, age, sex, hormonal therapy (DASH), and updated Vienna recurrent venous thromboembolism prediction models in a population composed entirely of first unprovoked pulmonary embolism, and to analyze the impact of the addition of the pulmonary vascular obstruction index (PVOI) on score accuracy. METHODS:Analyses were based on the double-blind, randomized PADIS-PE trial, which included 371 unprovoked pulmonary embolism patients initially treated for 6 months, successively randomized to receive an additional 18 months of warfarin or placebo, and subsequently followed-up for 2 years. RESULTS:The HERDOO2, DASH, and updated Vienna scores displayed C-statistics of 0.61 (95% CI 0.54-0.68), 0.60 (95% CI 0.53-0.66), and 0.58 (95% CI 0.51-0.66), respectively. Only the HERDOO2 score identified low recurrence risk patients (<3%/year) after anticoagulation was stopped. When added to either of the prediction models, PVOI measured at pulmonary embolism diagnosis, after 6 months of anticoagulation, or both, improved scores' C-statistics between +0.06 and +0.11 points and consistently led to identifying at least 50% of patients who experienced recurrence but in whom the scores would have indicated against extended anticoagulation. CONCLUSIONS:In patients with a first unprovoked pulmonary embolism, the HERDOO2 score is able to identify patients with a low recurrence risk after treatment discontinuation. Addition of PVOI improves accuracy of all scores. CLINICAL TRIALS REGISTRATION:URL: http://www.controlled-trials.com. Unique identifier: NCT00740883.

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