Early continuous renal replacement therapy for acute kidney injury in a very low birth weight infant: a case report and literature review - Summary - MDSpire

Early continuous renal replacement therapy for acute kidney injury in a very low birth weight infant: a case report and literature review

  • By

  • Yixin Zhang

  • Jinhui Hu

  • Juan Liu

  • Yu Ma

  • Zhaojun Pan

  • June 18, 2026

  • 0 min

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Objective:

To report a case of successful early CRRT implementation for severe AKI secondary to perinatal asphyxia in a VLBW infant and review relevant literature, highlighting its significance in clinical practice.

Approach:
    Key Findings:
    • CRRT was initiated approximately 20 hours after birth using a low initial blood flow rate.
    • After 37 hours of CRRT, urine output increased significantly, and serum creatinine and blood urea nitrogen levels decreased, indicating improved renal function.
    • The infant was weaned from CRRT and invasive mechanical ventilation and discharged in stable condition, demonstrating the potential benefits of early intervention.
    Interpretation:

    Early and graduated CRRT intervention may contribute to maintaining hemodynamic stability and facilitating organ function recovery in VLBW infants with AKI, suggesting a need for further research.

    Limitations:
    • Evidence supporting CRRT for shock-associated AKI in VLBW/ELBW preterm infants is limited to single-center case reports and small case series, which may affect the applicability of findings.
    • Standardized recommendations regarding CRRT initiation timing and management are lacking, highlighting the need for further guidelines.
    Conclusion:

    Meticulous peri-CRRT management is essential to ensure treatment safety in VLBW infants with AKI, emphasizing the importance of individualized strategies.

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