Pediatric Kidney Injury Hospitalizations Jump Tenfold in 25-Year Analysis

A retrospective study of over 24.3 million pediatric discharges found that hospitalizations involving acute kidney injury rose from 15.7 to 168.7 per 10,000 between 1997 and 2022. Cases requiring dialysis more than doubled, while in-hospital mortality for AKI patients improved significantly, though it remained stable at about 25% for those needing dialysis. Researchers attribute the increase partly to better detection and the growing complexity of pediatric hospital care.
The study examined more than 24.3 million pediatric discharges over a 25-year span. AKI-related hospitalizations climbed from 15.7 to 168.7 per 10,000 discharges, while dialysis-requiring cases rose from 2.4 to 5.5 per 10,000. Researchers suggest improved detection and coding changes explain part of the increase, but not the full rise in dialysis cases.
In-hospital mortality for AKI patients improved significantly from 2003 to 2022, though it held steady near 25% for those needing dialysis. Commentary authors note that children with complex conditions like congenital heart disease, cancer, and transplants are surviving longer, exposing them to treatments that raise kidney injury risk. Survivors face long-term risks including chronic kidney disease, hypertension, and cardiovascular complications, underscoring the need for structured follow-up care.
The growing population of pediatric AKI survivors could place increasing demands on outpatient nephrology services and long-term monitoring programs. Children who survive AKI may face chronic kidney disease, hypertension, and cardiovascular complications years later, potentially affecting quality of life and healthcare costs. Workforce shortages in pediatric nephrology could compound these challenges, making access to specialized follow-up care uneven across communities. Families and healthcare systems may need to adapt to support this expanding patient population.