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Hemodialysis in children weighing less than 15 kg: a single-center experience
Yael Kovalski1, Roxana Cleper, Irit Krause
1Nephrology and Dialysis Unit, Schneider Children's Medical Center of Israel, 14 Kaplan Street, Petah Tiqwa 49202, Israel.
Insights
Hemodialysis for infants with end-stage renal disease (ESRD) presents challenges but is viable. Successful transplantation was achieved in most pediatric patients, highlighting the importance of specialized centers for this critical treatment.
Area of Science:
- Pediatric Nephrology
- Renal Replacement Therapy
Background:
- End-stage renal disease (ESRD) in infants poses significant treatment challenges.
- Hemodialysis in low-weight pediatric patients (<15 kg) is associated with high morbidity and mortality.
- Vascular access remains a primary obstacle in infant hemodialysis.
Purpose of the Study:
- To evaluate the characteristics, morbidity, and outcomes of hemodialysis in infants with ESRD.
- To identify complications and success rates of hemodialysis in pediatric patients awaiting transplantation.
- To assess the feasibility of hemodialysis for ESRD management in infants.
Main Methods:
- Retrospective review of 11 infants (<15 kg) with ESRD treated between 1995-2005.
- Analysis of vascular access types, complications, and patient outcomes.
- Evaluation of treatment characteristics and morbidity associated with hemodialysis.
Main Results:
- Vascular access issues were frequent, with an average of three accesses per patient.
- Mechanical difficulties and infections were leading causes for central-line removal.
- Eight out of eleven patients successfully received kidney transplants; two patients died.
Conclusions:
- Hemodialysis is a feasible option for low-weight pediatric patients with ESRD.
- Care must be taken to manage complications such as hemodynamic instability and infections.
- Successful transplantation is a key outcome, underscoring the need for expert management in specialized centers.
Abstract:
Despite significant technical improvements, hemodialysis in infants with end-stage renal disease (ESRD) is still associated with significant morbidity and mortality. The files of patients weighing less than 15 kg with ESRD who were treated with hemodialysis at our institute between 1995 and 2005 were reviewed for background and treatment characteristics, morbidity and outcome. The study group included 11 patients aged 7-75 months (mean 34.2 months) weighing 7.2-14.9 kg (mean 10.9 kg). Mean duration of dialysis was 11.3 months. Vascular access posed the major problem. Ten patients were dialyzed through a central venous cuffed catheter and one through an arteriovenous fistula. An average of three different vascular accesses was required per patient (range 1-9). Mechanical difficulties were the most common cause of central-line removal (56.5%), followed by infections (15.6%). Major complications causing significant morbidity were intradialytic hemodynamic instability, hyperkalemia, coagulation within the dialysis set, anemia, hypertension, inadequate fluid removal, and recurrent hospitalizations. Analysis of outcome revealed that eight patients underwent successful transplantation, one returned for hemodialysis after 4.5 years due to graft failure, and two died. Hemodialysis is a suitable option for low-weight pediatric patients with ESRD awaiting transplantation when performed in highly qualified centers.
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Acute kidney injury develops suddenly and can be caused by pre-renal causes (e.g., hypovolemia, shock), intrinsic renal causes (e.g., acute tubular necrosis), or post-renal causes (e.g., urinary obstruction). In contrast, chronic renal failure progresses gradually over time and is often...
