Table 4

RHD burden estimates in countries with medium 2015 human development indices, 1980–2017

Study author, publication yearCountry (coverage)Study periodData sourceStudy populationMetricBurden estimates
Cambodia
Marijon et al, 200731
Prevalence of rheumatic heart disease detected by echocardiographic screening
Cambodia
(Subnational - Phnom Penh)
2001–2002School screening data (clinical and echocardiographic examination, echo criteria well described in paper)3677 school children, aged 6–17 yearsRHD prevalence in school childrenClinical 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)
2001–2011Clinical data1332 consecutive patients who underwent open heart surgery locallyRHD as a percentage of total cardiac surgery casesPercentage 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)
1964–1976Mortality data (ICD-7 A79 and A80, ICD-8 A80 and A81)General populationARF/RHD mortality ratesCrude 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 1998School 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 populationLegazpi 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.