Reimagining Rheumatic Heart Disease Control: Shifting from Surgical Hubs to Preventive Networks

Abstract

Rheumatic heart disease (RHD) remains one of the leading causes of acquired heart disease among children and adolescents in low- and middle-income countries despite being largely preventable. Although remarkable advances have been achieved in modern cardiology, including transcatheter interventions and precision medicine, RHD continues to disproportionately affect socioeconomically disadvantaged populations. In Pakistan, overcrowding, inadequate access to primary healthcare, delayed treatment of streptococcal infections, and inconsistent availability of antibiotics contribute to the sustained burden of disease. RHD develops as an autoimmune consequence of inadequately treated group A streptococcal pharyngitis, leading to progressive valvular damage and long-term cardiovascular complications. Many affected children remain undiagnosed until advanced stages of disease, presenting with severe mitral valve involvement, heart failure, pulmonary hypertension, atrial fibrillation, and recurrent hospitalizations. At this stage, surgical intervention often becomes the only viable treatment option. However, valve replacement in children presents substantial clinical challenges, as mechanical prostheses require lifelong anticoagulation and regular monitoring, while bioprosthetic valves frequently undergo premature degeneration, necessitating repeated surgical procedures. These challenges are further exacerbated by limited access to specialized cardiovascular care and long-term follow-up services in resource-constrained settings. The persistence of RHD in Pakistan reflects systemic gaps in prevention and healthcare delivery rather than a lack of medical knowledge. Every child requiring complex valve surgery for rheumatic disease represents a missed opportunity for early diagnosis, effective treatment of streptococcal infections, and sustained secondary prophylaxis. Strengthening prevention programs, ensuring reliable access to penicillin, improving community awareness, and expanding early screening initiatives are essential to reducing the burden of this preventable disease and improving cardiovascular outcomes among vulnerable pediatric populations.