Abstract

It has been shown that there is a correlation between Obstructive Sleep Apnea Syndrome (OSAS) and pulmonary thromboembolism (PTE); OSAS is a risk factor for PTE. We aimed to evaluate the frequency of OSAS in PTE patients, the correlation of OSAS with the severity of PTE, and its effect on 1-month mortality in PTE patients. This single-center, prospective, comparative case control study contains 198 patients diagnosed with non-massive PTE in our hospital between the dates of 01/07/2018-04/01/2020 who were confirmed by imaging methods. Daytime sleepiness was assessed with Epworth questionnaires, and OSAS risk was assessed with Berlin, STOP, STOP-BANG sleep questionnaires. Alongside demographic and clinical data, comorbidities, Pulmonary Embolism Severity Index (PESI), simplified PESI (sPESI), WELLS scores, troponin, D-dimer values, echocardiyography (ECHO) findings were also examined. Epworth, Berlin, STOP, STOP-BANG sleep groups were compared in terms of PTE parameters. A hundred and thirty-eight patients (69.6%) was assesed as high risk group according to Berlin, meanwhile STOP-BANG defined 174 patients (87.8%), furthermore STOP has considered 152 patients in the high risk group (76.7%) and Epworth questionnaire determined this number as 127 (64.1%). As a result of the logistic regression analysis, statistically significant correlation was found between Berlin score and heart failure, PESI, sPESI and troponin values; between Epworth score and WELLS score; between STOP-BANG score and PESI score (p<0.05). During the 1-month follow-up period, 9 of the patients were exitus and mortality was 4.5%. OSAS risk is more common in patients with PTE and it may be a risk factor for PTE. It has been shown that the risk of OSAS may aggravate PTE severity and prognosis.

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