Bleeding and Fever after Pediatric Mini-Percutaneous Nephrolithotomy: Is the Mayo Adhesive Probability Score a...

This study aimed to evaluate the role of the Mayo adhesive probability (MAP) score in predicting intraoperative and postoperative complications in pediatric patients undergoing mini-percutaneous nephrolithotomy (mPCNL).

Fifty-three pediatric patients who underwent mPCNL between January 2019 and November 2024 were retrospectively analyzed. Patients were divided into two groups based on MAP scores (<3 and ≥3). Demographic, clinical, laboratory, and radiological data, as well as intraoperative and postoperative complications, were compared.

The mean age was 9.9 ± 4.9 years. Thirty-one patients (58.4%) were in the group with MAP scores <3, whereas 22 patients (41.5%) were in the group with MAP scores ≥3. Intraoperative hemoglobin drop was significantly higher in patients with MAP scores ≥3 (p = 0.003). The transfusion rate and Clavien-Dindo (CD) ≥3 complication rate were significantly higher in the MAP ≥3 group (p = 0.037, p = 0.016, respectively). In contrast, the postoperative fever rate and readmission rate were not associated with MAP score, and no significant differences were observed between the groups.

The MAP score has predictive value for hemoglobin drop, transfusion requirement, and severe postoperative complications (CD ≥3) in pediatric mPCNL cases. Therefore, surgeons can use the MAP score in preoperative risk assessments to implement the necessary precautions to prevent complications.