Obstructive Sleep Apnea and Venous Thromboembolism

Patients With Obstructive Sleep Apnea (OSA), Independent of Obesity, Are at Increased Risk of Venous Thromboembolic Events (VTE)

There is a clear link between obstructive sleep apnea (OSA) and cardiovascular disease. However, there has been no clear link between OSA and venous thromboembolism (VTE). The objective of this study is to evaluate such a link.

Design:

1. retrospective chart review of all patients with VTE over 10 year period
2. retrospective chart review of all patients with OSA over 10 year period
3. prospective 1 year follow up of all patients diagnosed with new VTE
4. prospective 1 year follow up of all patients undergoing sleep study

Inclusion Criteria:

• Adult patients (>= 18 years) with sleep study, OSA or VTE

Exclusion Criteria:

• Below 18 years of age