Sleep-disordered breathing in deep vein thrombosis and acute pulmonary embolism
- 23 February 2012
- journal article
- Published by European Respiratory Society (ERS) in European Respiratory Journal
- Vol. 40 (4), 919-924
- https://doi.org/10.1183/09031936.00176711
Abstract
Sleep-disordered breathing (SDB) may trigger thromboembolic events by enhancing intravascular clot formation. The primary objective of the present nested case–control study was to investigate whether the prevalence of SDB is increased in patients with deep vein thrombosis (DVT) and/or acute pulmonary embolism (PE). 82 consecutive patients with DVT and/or PE (cases) were prospectively enrolled irrespective of SDB-related symptoms and formed matched pairs with patients without DVT and/or PE (controls) according to sex and pre-defined categories of age and body mass index. The prevalence of SDB (respiratory disturbance index assessed by polygraphy ≥15 events·h−1) was significantly greater in the cases with DVT and/or PE than in controls (40 versus 26%, p=0.046) and was predominantly obstructive in nature. Multiple regression analysis revealed that SDB was significantly associated with DVT and/or PE (OR 2.28, 95% CI 1.08–4.85; p=0.032) independent of established risk factors for thrombosis. In the sex-specific analyses this association was significant in females (OR 4.14, 95% CI 1.05–16.36; p=0.042), but not in males (OR 1.55, 95% CI 0.57–4.21; p=0.391). SDB occurs more frequently in females with DVT and/or PE than in controls matched for anthropometric variables, and is independently associated with the occurrence of these thromboembolic events.Keywords
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