A Pediatric Case of Long-term Untreated Distal Renal Tubular Acidosis

Autor: Philavanh Kedsatha, Hee Young Shin, Yong Choi, Hae Il Cheong, Tae-Joon Cho, Eunsang Yi, Mayfong Maisai
Jazyk: angličtina
Rok vydání: 2020
Předmět:
Zdroj: Childhood Kidney Diseases, Vol 24, Iss 2, Pp 115-119 (2020)
Druh dokumentu: article
ISSN: 2384-0242
2384-0250
DOI: 10.3339/jkspn.2020.24.2.115
Popis: Distal renal tubular acidosis (dRTA) is a rare renal tubular disorder characterized by normal anion gap metabolic acidosis, hypokalemia, and high urine pH. It can be inherited or acquired. In untreated pediatric patients with dRTA, rickets and growth retardation are common. We report the case of a 12-year-old Lao girl who presented with typical clinical features of dRTA with severe bone deformities that developed after a bed-ridden state due to a bicycle accident at the age of 8 years. Initial laboratory tests revealed metabolic acidosis with a normal anion gap, hypokalemia, and alkali urine. Renal ultrasonography revealed bilateral medullary nephrocalcinosis. Whole exome sequencing revealed no pathogenic mutations. After treatment with oral alkali, potassium, and vitamin D, she could walk and run. Later, she underwent corrective orthopedic surgeries for bony deformities. Thus, in pediatric dRTA patients, despite severe symptoms remaining untreated, accurate diagnosis and proper management can improve quality of life.
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