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A Look into Obstructive Sleep Apnea among Ethiopians
Asefa Mekonnen1, Monika Gasiorek2, Marc Key1
1Sleep Medicine, Rockville Internal Medicine Group, Rockville, Maryland, United States.
Ethiopian Journal of Health Sciences
|November 1, 2019
Summary
Obstructive Sleep Apnea (OSA) is common globally, but understudied in Ethiopians. Higher Body-Mass Index (BMI) correlates with increased Apnea-Hypopnea Index (AHI), impacting oxygen saturation. Effective therapies improve patient outcomes.
Area of Science:
- Sleep Medicine
- Pulmonology
- Internal Medicine
Background:
- Obstructive Sleep Apnea (OSA) is a global health concern with rising prevalence in developing nations.
- Data on OSA prevalence and characteristics among Ethiopian populations are scarce.
- This study aims to describe the clinical features of OSA in Ethiopians.
Purpose of the Study:
- To investigate the clinical characteristics of Obstructive Sleep Apnea (OSA) in an Ethiopian patient cohort.
- To explore the relationship between Body-Mass Index (BMI) and Apnea-Hypopnea Index (AHI) in OSA patients.
- To assess the impact of OSA severity on nocturnal oxygen saturation.
Main Methods:
- Retrospective analysis of 24 Ethiopian patients at an internal medicine clinic.
- Evaluation of daytime sleepiness using the Epworth Sleepiness Scale (ESS).
- Polysomnography (PSG) performed using portable monitoring or in-lab setups; statistical analysis in R.
Main Results:
- A significant positive linear relationship was found between BMI and AHI (p<0.05), with a 0.8657-unit increase in AHI per 1-unit BMI increase.
- Increased AHI was associated with a significant decrease in nocturnal oxygen saturation (p<0.05).
- Fifteen patients received continuous positive airway pressure (CPAP) and three received oral appliance therapy.
Conclusions:
- Compliance with OSA therapies (CPAP, oral appliances) led to improved sleep quality, reduced snoring, and enhanced daytime alertness.
- Healthcare providers in developing countries should consider OSA in relevant clinical presentations.
- Availability of diagnostic and therapeutic services for OSA is crucial in resource-limited settings.
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