Clinical outcomes for young people with screening-detected and clinically-diagnosed rheumatic heart disease in Fiji

Daniel Engelman, Reapi L. Mataika, Maureen Ah. Kee, Susan Donath, Tom Parks, Samantha M. Colquhoun, Jonathan R. Carapetis, Joseph H. Kado, Andrew C. Steer

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16 Citations (Scopus)

Abstract

Background: Echocardiographic screening is under consideration as a disease control strategy for rheumatic heart disease (RHD). However, clinical outcomes of young people with screening-detected RHD are unknown. We aimed to describe the outcomes for a cohort with screening-detected RHD, in comparison to patients with clinically-diagnosed RHD. Methods: A retrospective cohort study included all young people with screening-detected RHD in the Central Division of Fiji in the primary cohort. Screen-negative and clinically-diagnosed comparison groups were matched 1:1 to the primary cohort. Data were collected on mortality, clinical complications and healthcare utilisation from the electronic and paper health records and existing databases. Results: Seventy participants were included in each group. Demographic characteristics of the groups were similar (median age 11. years, 69% female, median follow-up 7. years). There were nine (12.9%) RHD-related deaths in the clinically-diagnosed group and one (1.4%) in the screening-detected group (Incident Rate Ratio: 9.6, 95% CI 1.3-420.6). Complications of RHD were observed in 39 (55.7%) clinically-diagnosed cases, four (20%) screening-detected cases and one (1.4%) screen-negative case. There were significant differences in the cumulative complication curves of the groups (p <. 0.001). Rates of admission and surgery were highest in the clinically-diagnosed group, and higher in the screening-detected than screen-negative group. Conclusions: Young people with screening-detected RHD have worse health outcomes than screen-negative cases in Fiji. The prognosis of clinically-diagnosed RHD remains poor, with very high mortality and complication rates. Further studies in other settings will inform RHD screening policy. Comprehensive control strategies are required for disease prevention.

Original languageEnglish
Pages (from-to)422-427
Number of pages6
JournalInternational Journal of Cardiology
Volume240
DOIs
Publication statusPublished - Aug 2017

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