Heart failure in Tanzania and Sweden: Comparative characterization and prognosis in the Tanzania Heart Failure (TaHeF) study and the Swedish Heart Failure Registry (SwedeHF). Makubi, A., Hage, C., Sartipy, U., Lwakatare, J., Janabi, M., Kisenge, P., Dahlström, U., Rydén, L., Makani, J., & Lund, L. H. International Journal of Cardiology, 220:750--758, October, 2016.
Heart failure in Tanzania and Sweden: Comparative characterization and prognosis in the Tanzania Heart Failure (TaHeF) study and the Swedish Heart Failure Registry (SwedeHF) [link]Paper  doi  abstract   bibtex   
Background Heart failure (HF) in developing countries is poorly described. We compare characteristics and prognosis of HF in Tanzania vs. Sweden. Methods A prospective cohort study was conducted from the Tanzania HF study (TaHeF) and the Swedish HF Registry (SwedeHF). Patients were compared overall (n 427 vs. 51,060) and after matching 1:3 by gender and age ± 5 years (n 411 vs. 1232). The association between cohort and all-cause mortality was assessed with multivariable Cox regression. Results In the unmatched cohorts, TaHeF (as compared to SwedeHF) patients were younger (median age [interquartile range] 55 [40–68] vs. 77 [64–84] years, p < 0.001) and more commonly women (51% vs. 40%, p < 0.001). The three-year survival was 61% in both cohorts. In the matched cohorts, TaHeF patients had more hypertension (47% vs. 37%, p < 0.001), more anemia (57% vs. 9%), more preserved EF, more advanced HF, longer duration of HF, and less use of beta-blockers. Crude mortality was worse in TaHeF (HR 2.25 [95% CI 1.78–2.85], p < 0.001), with three-year survival 61% vs. 83%. However, covariate-adjusted risk was similar (HR 1.07, 95% CI 0.69–1.66; p = 0.760). In both cohorts, preserved EF was associated with higher mortality in crude but not adjusted analysis. Conclusions Compared to in Sweden, HF patients in Tanzania were younger and more commonly female, and after age and gender matching, had more frequent hypertension and anemia, more severe HF despite higher EF, and worse crude but similar adjusted prognosis.
@article{makubi_heart_2016,
	title = {Heart failure in {Tanzania} and {Sweden}: {Comparative} characterization and prognosis in the {Tanzania} {Heart} {Failure} ({TaHeF}) study and the {Swedish} {Heart} {Failure} {Registry} ({SwedeHF})},
	volume = {220},
	issn = {0167-5273},
	shorttitle = {Heart failure in {Tanzania} and {Sweden}},
	url = {http://www.sciencedirect.com/science/article/pii/S0167527316312414},
	doi = {10.1016/j.ijcard.2016.06.239},
	abstract = {Background
Heart failure (HF) in developing countries is poorly described. We compare characteristics and prognosis of HF in Tanzania vs. Sweden.
Methods
A prospective cohort study was conducted from the Tanzania HF study (TaHeF) and the Swedish HF Registry (SwedeHF). Patients were compared overall (n 427 vs. 51,060) and after matching 1:3 by gender and age ± 5 years (n 411 vs. 1232). The association between cohort and all-cause mortality was assessed with multivariable Cox regression.
Results
In the unmatched cohorts, TaHeF (as compared to SwedeHF) patients were younger (median age [interquartile range] 55 [40–68] vs. 77 [64–84] years, p \&lt; 0.001) and more commonly women (51\% vs. 40\%, p \&lt; 0.001). The three-year survival was 61\% in both cohorts. In the matched cohorts, TaHeF patients had more hypertension (47\% vs. 37\%, p \&lt; 0.001), more anemia (57\% vs. 9\%), more preserved EF, more advanced HF, longer duration of HF, and less use of beta-blockers. Crude mortality was worse in TaHeF (HR 2.25 [95\% CI 1.78–2.85], p \&lt; 0.001), with three-year survival 61\% vs. 83\%. However, covariate-adjusted risk was similar (HR 1.07, 95\% CI 0.69–1.66; p = 0.760). In both cohorts, preserved EF was associated with higher mortality in crude but not adjusted analysis.
Conclusions
Compared to in Sweden, HF patients in Tanzania were younger and more commonly female, and after age and gender matching, had more frequent hypertension and anemia, more severe HF despite higher EF, and worse crude but similar adjusted prognosis.},
	urldate = {2016-07-10TZ},
	journal = {International Journal of Cardiology},
	author = {Makubi, Abel and Hage, Camilla and Sartipy, Ulrik and Lwakatare, Johnson and Janabi, Mohammed and Kisenge, Peter and Dahlström, Ulf and Rydén, Lars and Makani, Julie and Lund, Lars H.},
	month = oct,
	year = {2016},
	keywords = {Heart Failure, MORTALITY, Sub-Saharan Africa, Sweden, Tanzania},
	pages = {750--758}
}
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