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Increased frequency of obstructive sleep apnea syndrome in Behçet's syndrome patients with superior vena cava syndrome

1, 2, 3, 4, 5, 6

 

  1. Department of Internal Medicine, Cerrahpasa Medical School, Istanbul University-Cerrahpasa, Istanbul, Turkey.
  2. Division of Rheumatology, Department of Internal Medicine, Cerrahpasa Medical School, Istanbul University-Cerrahpasa, Istanbul, Turkey.
  3. Department of Chest Diseases, Cerrahpasa Medical School, Istanbul University-Cerrahpasa, Istanbul, Turkey.
  4. Division of Rheumatology, Department of Internal Medicine, Cerrahpasa Medical School, Istanbul University-Cerrahpasa, Istanbul, Turkey.
  5. Academic Hospital, Istanbul, Turkey.
  6. Division of Rheumatology, Department of Internal Medicine, Cerrahpasa Medical School, Istanbul University-Cerrahpasa, Istanbul, Turkey. eseyahi@yahoo.com

CER12686
2019 Vol.37, N°6 ,Suppl.121
PI 0132, PF 0136
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PMID: 31856940 [PubMed]

Received: 18/08/2019
Accepted : 23/10/2019
In Press: 09/12/2019
Published: 09/12/2019

Abstract

OBJECTIVES:
Superior vena cava syndrome (SVCS) is a medical emergency which can also be seen in Behçet’s syndrome (BS). Having noted that BS patients with SVCS frequently complained of sleep disturbances, snoring and sleep apnea, suggesting obstructive sleep apnea (OSA), we formally surveyed the risk for OSA among BS patients.
METHODS:
We studied 28 patients, all male, with SVCS (Group 1), 129 with vascular involvement without a SVCS (Group 2) and 151 with no vascular involvement (Group 3). In addition, 100 apparently healthy individuals (Group 4) were studied. The Berlin questionnaire (BQ), a validated screening tool with a high sensitivity and modest specificity that identifies individuals with high-risk for OSA, was administered to all study participants.
RESULTS:
The study groups were similar with regard to age (Group 1, mean age: 44.3±9.7; Group 2, mean age: 41.5±8.7, Group 3, mean age: 40.4±9.4 and Group 4, mean age: 42.1±9.4) mean body mass index and the frequency of hypertension and other comorbidities. The frequency of those patients at high-risk for OSA according to the BQ was 57%, 17%, 17% and 11% in Groups 1, 2, 3 and 4, respectively (p<0.05). Age-adjusted ORs of OSA compared to healthy controls (Group 4) was 11.00 (95%CI: 4.01–30.07) for Group 1, 1.78 (95%CI: 0.81–3.94) for Group 2, 1.92 (95%CI: 0.90–4.14) for Group 3.
CONCLUSIONS:
BS patients with SVCS are at high risk for OSA. This is probably due to the external pressure of the significant presence of venous collaterals that surround the upper airways. Our results should be further confirmed by polysomnography, and future research should be carried out to clarify the causes of this association.

Rheumatology Article