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Abstract: Poster Presentations |

NECK CIRCUMFERENCE AS A PREDICTOR OF OBSTRUCTIVE SLEEP APNEA-HYPOPNEA SYNDROME IN CHRONIC OBSTRUCTIVE PULMONARY DISEASE PATIENTS 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):652. doi:10.1378/chest.132.4_MeetingAbstracts.652
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Abstract

PURPOSE: Neck circumference has been found to be an independent predictor of obstructive sleep apnea-hypopnea syndrome (OSAHS) in obese patients. The purpose of this work was to study neck circumference in chronic obstructive pulmonary disease (COPD) patients in order to predict obstructive sleep apnea-hypopnea syndrome.

METHODS: DESIGN: Cross-sectional study. SETTING: Referral sleep laboratory of Vallabhbhai Patel Chest Institute, Delhi University, Delhi, India. PATIENTS: 50 eligible patients with a diagnosis of COPD. The diagnosis of COPD was made on the basis of medical history, suggestive signs and symptoms, chest skiagram, pulmonary function tests. MEASUREMENTS: Neck circumference was measured at the level of cricothyroid membrane. Whole night polysomnography (Medcare polygraph, Medcare Flaga, Reykjavik, Iceland) was done in all the patients. Cut-off values for neck circumference was taken as 43 cm. OSAHS was defined as apnea-hypopnea index (AHI) of more than 5 per hour.

RESULTS: None of the patients with high AHI had neck circumference > 43cm (p=1.000).

CONCLUSION: The sensitivity of neck circumference in predicting the risk of OSAHS in COPD patients is very low.

CLINICAL IMPLICATIONS: Neck circumference can not be used as a screening test for prediction of OSAHS in COPD patients.

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

Wednesday, October 24, 2007

12:30 PM - 2:00 PM


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