Muhammad Habib Afzal, Kamran Ruaf, Areej Umber Khan, Asma Ashfaq, Muhammad Bilal Basit, Khalid Mahmood Anjum.
Coronary Artery Disease; Frequency Among Patients With Different Sleep Duration.
Professional Med J Jan ;24(10):1471-5.

Introduction: Ischemic heart disease (IHD) is one of the leading causes of death. Short sleep duration may increase the risk of coronary artery disease (CAD). The study was designed to evaluate the association between CAD and sleep duration. Objectives: To determine the frequency of patients who have short sleep duration may suffer from CAD. Study design: Case series. Setting: Punjab Institute of Cardiology (PIC), Lahore. Period: It was carried out in six months. Methods: 400 patients admitted who presented with IHD. Sleep duration was categorized into three categories like <6 hours, 6-8 hours and >8 hours. Angiography was performed for patients who have CAD. Results: Sleep duration was <6 hours, 6–8 hours, and >8 hours in 172 (43%), 124 (31%) and 104 (26%) patients respectively. Significant CAD was presented among 84 (21%) patients of sleep duration <6 hours, 16 (4%) patients of sleep duration 6–8 hours and 32 (8%) patients of >8 hours sleep duration. Conclusions: Significant number of patients has short sleep time and suffering from CAD.

PakMediNet -Pakistan's largest Database of Pakistani Medical Journals - http://www.pakmedinet.com