0
Abstract: Poster Presentations |

SEVERITY OF OBSTRUCTIVE SLEEP APNEA-HYPOPNEA SYNDROME IN PATIENTS WITH CHRONIC OBSTRUCTIVE PULMONARY DISEASE WHO HAVE DEVELOPED COR PULMONALE AND IN THOSE WHO HAVE NOT: A COMPARATIVE STUDY FREE TO VIEW

Amit Bansal, MBBS, MD*; Kuldeep Patial; VK Vijayan, MD, FCCP
Author and Funding Information

Fortis Hospital, Mohali, India, Chandigarh, India


Chest


Chest. 2007;132(4_MeetingAbstracts):651c. doi:10.1378/chest.132.4_MeetingAbstracts.651c
Text Size: A A A
Published online

Abstract

PURPOSE: The severity of obstructive sleep apnea is much higher in chronic obstructive pulmonary disease (COPD) patients than in general population. The purpose of this study was to compare the severity of obstructive sleep apnea in two groups of COPD patients: group I, COPD with cor pulmonale; and group II, COPD without cor pulmonale.

METHODS: DESIGN: A case control study. SETTING: Referral sleep laboratory of Vallabhbhai Patel Chest Institute, Delhi University, Delhi, India. PATIENTS: 21 patients of COPD with cor pulmonale (mean pulmonary artery pressure > 25 mm Hg) and 29 patients of COPD without cor pulmonale were taken. MEASUREMENTS: Whole night polysomnography (Medcare polygraph, Medcare Flaga, Reykjavik, Iceland) was done in all the patients. Obstructive sleep apnea was defined as severe if the apnea-hypopnea index was more than 30 per hour.

RESULTS: Three out of 21 (14.28%) patients in cor pulmonale group and none out of 29 patients in COPD group had severe obstructive sleep apnea (p= 0.068).

CONCLUSION: There is no significant increase in severity of obstructive sleep apnea in COPD patients who develop cor pulmonale in the natural course of disease. We hypothesize that decrease in body mass index during the natural course of COPD counterbalances the increase in AHI due to progression of COPD to cor pulmonale.

CLINICAL IMPLICATIONS: There is no risk of increase in severity of obstructive sleep apnea-hypopnea syndrome in the natural course of COPD.

DISCLOSURE: Amit Bansal, No Financial Disclosure Information; No Product/Research Disclosure Information

Wednesday, October 24, 2007

12:30 PM - 2:00 PM


Figures

Tables

References

NOTE:
Citing articles are presented as examples only. In non-demo SCM6 implementation, integration with CrossRef’s "Cited By" API will populate this tab (http://www.crossref.org/citedby.html).

Some tools below are only available to our subscribers or users with an online account.

Related Content

Customize your page view by dragging & repositioning the boxes below.

Find Similar Articles
CHEST Journal Articles
PubMed Articles
  • CHEST Journal
    Print ISSN: 0012-3692
    Online ISSN: 1931-3543