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Concomitant rapidly progressive glomerulonephritis and acute rheumatic fever after streptococcus infection: a case
Suwanna Pornrattanarungsi1, Sudarat Eursiriwan1, Yupaporn Amornchaicharoensuk2
1Divisions of Paediatric Cardiology, Faculty of Medicine, Vajira Hospital, Navamindradhiraj University, Bangkok, Thailand.
Abstract:
Acute post-streptococcal glomerulonephritis (APSGN) and acute rheumatic fever (ARF) are common immune-mediated complications after group A streptococcus (GAS) infection. The causative antigenic epitopes on GAS are different for APSGN and ARF, and their simultaneous occurrence is uncommon. A 12-year-old boy presented with fever and gross haematuria. He had subcutaneous nodules on the dorsum of both feet along with a new holosystolic murmur at the apex, and he developed hypertension and generalised oedema after admission. Investigation confirmed the diagnosis of ARF with APSGN. He received a corticosteroid to control inflammation of both the conditions. His clinical signs gradually improved but he still had rheumatic heart disease. As both diseases can occur in the same patient, treatment should be provided for both conditions.Abbreviations: APSGN: acute post-streptococcal glomerulonephritis; ARF: acute rheumatic fever; ASO: antistreptolysin O; Cr: serum creatinine; CRP: C-reactive protein; ESR: erythrocyte sedimentation rate; GAS: group A streptococcus; RBC: red blood cells; RPGN: rapidly progressive glomerulonephritis; S1: first heart sound; S2: second heart sound; TTE: transthoracic echocardiogram.
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