การศึกษาความชุกและปัจจัยที่เกี่ยวข้องของโรคหัวใจเต้นผิดจังหวะชนิด PERSISTENT OR PERMANENT ATRIAL FIBRILLATION ในผู้ป่วยชาวไทยที่ได้รับการวินิจฉัยว่ามีภาวะหยุดหายใจขณะนอนหลับ
PREVALENCE AND FACTORS ASSOCIATED WITH PERSISTENT OR PERMANENT ATRIAL FIBRILLATION IN THAI OBSTRUCTIVE SLEEP APNEA PATIENTS AT KING CHULALONGKORN MEMORIAL HOSPITAL
Abstract:
Background: Atrial fibrillation (AF) is one of the most important causes of embolic stroke. Obstructive Sleep Apnea (OSA) is known to be a risk factor for atrial fibrillation. Thus, we aims to study the prevalence and factors associated with atrial fibrillation in OSA patients in order to determine which group of OSA patients are at higher risk of developing AF. Methods: A total of 2,195 patients who were diagnosed with OSA at King Chulalongkorn Memorial Hospital between October 2006 - July 2014 were retrospectively reviewed. We evaluated demographic data, gender, age, height, weight, neck circumference, severity of OSA, presence of atrial fibrillation and other underlying comorbidities. Categorical variables were compared using Fishers exact test and logistic regression analysis. Continuous outcomes were compared using independent t test. P-value < 0.05 is considered statistically significant. Results: The prevalence of atrial fibrillation in OSA patients in our study was 1.14%. The mean age of patients in AF group was 61.3 years whereas in non-AF group, the mean age was 51.5 years (p-value = 0.001). The prevalence of hypertension and dyslipidemia were higher in the AF group compared with the non-AF group; 76% vs 35.8% (p- value < 0.001) and 40% vs. 20.9% (p-value = 0.02), respectively. According to the multivariate analysis, older ageisa risk factor for developing AF in OSA patients. The adjusted odds is 1.04 times higher as age increases by 1 year (95% CI 1.01-1.07, p-value 0.023). The odds of developing AF in hypertensive OSA patients is 3.89 times higher than in non-hypertensive group (95% CI 1.43-10.61, p-value = 0.008). Conclusions: Our study suggests a low prevalence of AF among OSA patients. Older age and presence of hypertension were associated with AF.