PURPOSE: Atrial fibrillation is a common arrhythmia associated with increased cardiovascular
morbidity and mortality. This study was undertaken to identify the natural history of this …

Background: Randomized clinical trials have not yet demonstrated the mortality benefit of
smoking cessation. Objective: To assess the long-term effect on mortality of a randomly applied …

This report deals with deaths and hospitalizations during the 5-year Lung Health Study, as
documented by examination of appropriate records. There were 149 deaths (2.5%) during the …

Background Current knowledge of risk factors for Alzheimer's disease (AD) is limited. Data
from a longitudinal, population-based study of dementia in Manitoba, Canada were used to …

Objective To document health-care utilization (ie, physician claims and hospitalizations) in
patients with obesity-hypoventilation syndrome (OHS), for 5 years prior to the diagnosis and …

Obstructive sleep apnea syndrome (OSAS) patients may have symptoms for years prior to
recognition of their disorder, or they may be treated for the associated comorbidities. We …

Background Patients with obstructive sleep apnea syndrome (OSAS) use health-care resources
at higher rates than control subjects for years prior to diagnosis. Although obesity and …

Objective: To document changes in health care utilization (physician claims and hospitalizations)
two years after diagnosis and treatment of patients with OSAS. Design: Prospective …

Objectives (1) To correlate structure (CT) with function in pulmonary tuberculosis (TB), and (2)
to describe the evolution of structural and functional abnormalities when pulmonary TB is …

METHODS A retrospective reviewof the experience with TBMV patients in the province of
Manitoba, Canada (population1, 091,942 in 1991 census) overthe 10 yr ending August31, …