Study author, publication year | Country (coverage) | Study period | Data source | Study population | Metric | Burden estimates |
---|---|---|---|---|---|---|
Cambodia | ||||||
Marijon et al, 200731 Prevalence of rheumatic heart disease detected by echocardiographic screening | Cambodia (Subnational - Phnom Penh) | 2001–2002 | School screening data (clinical and echocardiographic examination, echo criteria well described in paper) | 3677 school children, aged 6–17 years | RHD prevalence in school children | Clinical evidence of RHD confirmed by echo: 2.2 per 1000 (95% CI 0.7-3.7). RHD prevalence on echo 21.5 per 1000 (95% CI 16.8–26.2); clinically silent RHD prevalence 19.3 per 1000 |
Mirabel et al, 201732 Cardiac surgery in low-income settings: 10 years of experience from two countries | Cambodia (facility) | 2001–2011 | Clinical data | 1332 consecutive patients who underwent open heart surgery locally | RHD as a percentage of total cardiac surgery cases | Percentage of cardiac surgeries with RHD as the underlying cause: 2001–2011: 36.79% (490 surgeries) 2001–2006: 43% 2007–2011: 29% |
Philippines | ||||||
Tuomihlehto et al, 198433 Trends in cardiovascular diseases mortality in the Philippines | Philippines (national) | 1964–1976 | Mortality data (ICD-7 A79 and A80, ICD-8 A80 and A81) | General population | ARF/RHD mortality rates | Crude annual ARF/RHD death rate per 100 000 1964: males 4.8; females 5.1 1968: males 4.8; females 5.2 1972: males 5.2; females 5.6 1976: males 5.0; females 6.0. Proportional mortality rates per 1000 (all ages): 1964: 7.2 (n=1549) 1968: 7.1 (n=1792) 1972: 7.4 (n=2116) 1976: 8.1 (n=2417) Age standardised mortality rates per 100 000 in 1976 for 40–64 year olds: males 10, females 9. |
Imperial et al, 199834 The Albay Province rheumatic fever/ rheumatic heart disease prevention and control program – a preliminary report | Philippines (Subnational - Albay) | 1995 to June 1998 | School screening data (clinical plus echo confirmation in suspected cases) | School children, age range not stated Study was still in progress at time of publishing this preliminary report. As at June 1998, 148 592 of 238 296 school children had been screened | RHD prevalence in general population | Legazpi city - confirmed RHD 1 per 1000 (25/24 148 children screened). As of June 1998, 495 cases of confirmed ARF/RHD registered in Albay province |
ICD, International Classification of Diseases; RHD, rheumatic heart disease.