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Prevalence of rheumatic heart disease in school children of urban Lahore
  1. M Sadiq,
  2. K Islam,
  3. R Abid,
  4. F Latif,
  5. A U Rehman,
  6. A Waheed,
  7. M Azhar,
  8. J S Khan
  1. Punjab Institute of Cardiology, Lahore, Pakistan
  1. Professor M Sadiq, Department of Paediatric Cardiology, Punjab Institute of Cardiology, Ghaus-ul-Azam (Jail) Road, Lahore, Pakistan; drmasoodsadiq{at}hotmail.com

Abstract

Objective: To determine the prevalence of rheumatic heart disease (RHD) among school children in urban and semiurban areas of Lahore, Pakistan.

Methods: A cross-sectional survey of school children aged 5–15 years from 70 schools of urban and semiurban Lahore was carried out by a team of cardiologists. Children were screened by clinical examination and diagnosis confirmed by echocardiography. Sociodemographic data were also collected.

Results: Of 24 980 children screened, 986 (3.9%) had a confirmed cardiac lesion; 546 had RHD, 440 had congenital heart disease. The prevalence of RHD was 21.9/1000 children screened (95% CI 20.1 to 23.7). Their mean (SD) age was 10.7 (2.6) years and the female:male ratio was 1.6:1. Most (92.5%) were unaware of the diagnosis and less than 2% were taking rheumatic prophylaxis. All children belonged to a low socioeconomic group and 67% were undernourished.

Conclusion: The prevalence of RHD in the urban school population of Lahore is among the highest in the world. The younger age of onset is a special feature and most are unaware of the diagnosis, and hence not receiving life-saving secondary prophylaxis.

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Footnotes

  • Competing interests: None.

  • Ethics approval: Hospital ethical committee approval obtained.

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