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Orthostatic hypotension: prevalence and associated risk factors among the ambulatory elderly in an Asian population
Singapore medical journal ; : 444-451, 2016.
Article in English | WPRIM | ID: wpr-304142
ABSTRACT
<p><b>INTRODUCTION</b>The prevalence of orthostatic hypotension (OH) among the elderly population in Singapore, as defined by a decline in blood pressure upon a change in position, is not well-established. Studies associate OH with clinically significant outcomes such as falls. This study aims to determine the prevalence of OH among elderly patients attending a public primary care clinic (polyclinic) for chronic disease management, and examine the relationships between postulated risk factors and OH.</p><p><b>METHODS</b>Patients aged ≥ 65 years attending a typical polyclinic in Geylang were identified and targeted for recruitment at the study site. A questionnaire on symptoms and postulated risk factors was administered, followed by supine and standing blood pressure measurements. Cross-sectional analysis was performed with independent sample t-test for continuous data and chi-square test for categorical data. Prevalence rate ratios with 95% confidence interval were calculated for the latter.</p><p><b>RESULTS</b>A total of 364 multiethnic patients participated in the study. The prevalence of OH was 11.0%. Older age, comorbidities such as cardiac failure and kidney disease, being physically inactive at work, fatigue, self-reported dizziness in the past year, and the use of loop diuretics were found to be significantly associated with OH.</p><p><b>CONCLUSION</b>About one in ten elderly patients at a local polyclinic was affected by OH, which was associated with multiple factors. Some of these factors are modifiable and can be addressed to reduce the incidence of OH.</p>
Subject(s)

Full text: Available Index: WPRIM (Western Pacific) Main subject: Primary Health Care / Singapore / Therapeutics / Blood Pressure / Blood Pressure Determination / Accidental Falls / Epidemiology / Prevalence / Cross-Sectional Studies / Risk Factors Type of study: Diagnostic study / Etiology study / Observational study / Prevalence study / Prognostic study / Risk factors Limits: Aged / Aged80 / Female / Humans / Male Country/Region as subject: Asia Language: English Journal: Singapore medical journal Year: 2016 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Main subject: Primary Health Care / Singapore / Therapeutics / Blood Pressure / Blood Pressure Determination / Accidental Falls / Epidemiology / Prevalence / Cross-Sectional Studies / Risk Factors Type of study: Diagnostic study / Etiology study / Observational study / Prevalence study / Prognostic study / Risk factors Limits: Aged / Aged80 / Female / Humans / Male Country/Region as subject: Asia Language: English Journal: Singapore medical journal Year: 2016 Type: Article