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Afr J Emerg Med. 2019 Dec;9(4):180-184. doi: 10.1016/j.afjem.2019.07.001. Epub 2019 Aug 8.

The burden of acute coronary syndrome, heart failure, and stroke among emergency department admissions in Tanzania: A retrospective observational study.

Author information

1
Division of Emergency Medicine, Duke University, 2301 Erwin Rd, Durham, NC 27710, United States of America.
2
Duke Global Health Institute, 310 Trent Drive, Durham, NC 27710, United States of America.
3
Department of Emergency Medicine, Kilimanjaro Christian Medical Centre, PO Box 3010, Moshi, Tanzania.
4
Kilimanjaro Christian Research Institute, Kilimanjaro Christian Medical University, PO Box 3010, Moshi, Tanzania.
5
Department of Cardiology, Komfo Anokye Teaching Hospital, PO Box 1934, Kumasi, Ghana.

Abstract

Introduction:

The prevalence of cardiovascular disease in sub-Saharan Africa is substantial and growing. Much remains to be learned about the relative burden of acute coronary syndrome (ACS), heart failure, and stroke on emergency departments and hospital admissions.

Methods:

A retrospective chart review of admissions from September 2017 through March 2018 was conducted at the emergency department of a tertiary care center in northern Tanzania. Stroke admission volume was compared to previously published data from the same hospital and adjusted for population growth.

Results:

Of 2418 adult admissions, heart failure and stroke were the two most common admission diagnoses, accounting for 294 (12.2%) and 204 (8.4%) admissions, respectively. ACS was uncommon, accounting for 9 (0.3%) admissions. Of patients admitted for heart failure, uncontrolled hypertension was the most commonly identified etiology of heart failure, cited in 124 (42.2%) cases. Ischemic heart disease was cited as the etiology in only 1 (0.3%) case. Adjusting for population growth, the annual volume of stroke admissions increased 70-fold in 43 years, from 2.9 admissions per 100,000 population in 1974 to 202.2 admissions per 100,000 in 2017.

Conclusions:

The burden of heart failure and stroke on hospital admissions in Tanzania is substantial, and the volume of stroke admissions is rising precipitously. ACS is a rare diagnosis, and the distribution of cardiovascular disease phenotypes in Tanzania differs from what has been observed outside of Africa. Further research is needed to ascertain the reasons for these differences.

KEYWORDS:

Acute coronary syndrome; Heart failure; Stroke; Sub-Saharan Africa

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