Related Experiment Video
Updated: Sep 8, 2025
Intraoperative Ultrasound in Spinal Surgery
Published on: August 17, 2022
Evaluation of Intraoperative Adverse Events and Perioperative Outcomes in Pediatric Neurosurgery
Maximilian Middelkamp1, Richard Drexler2, Friederike S Groth2
1Department of Neurosurgery, University Medical Center Hamburg-Eppendorf, Hamburg, Germany; Division of Molecular Neurooncological Pathology, Center for Molecular Neurobiology Hamburg (ZMNH), University Medical Center Hamburg-Eppendorf, Hamburg, Germany.
Insights
Intraoperative complications in pediatric neurosurgery, graded by ClassIntra, significantly impact patient outcomes. Higher ClassIntra ratings correlate with longer surgeries and increased neurological deterioration, highlighting the need for improved risk management.
Area of Science:
- Pediatric Neurosurgery
- Surgical Quality Improvement
- Patient Outcomes
Background:
- Effective risk assessment and surgical preparation are vital in pediatric neurosurgery.
- Quality monitoring systems are essential for improving patient care and safety.
- The ClassIntra classification system offers a potential tool for evaluating intraoperative events.
Purpose of the Study:
- To assess the reliability of the ClassIntra classification for intraoperative complications in pediatric neurosurgery.
- To determine if ClassIntra ratings can predict postoperative outcomes in pediatric neurosurgical patients.
- To evaluate the association between intraoperative complications and patient recovery metrics.
Main Methods:
- A prospective cohort study was conducted at a tertiary care center.
- 47 pediatric patients undergoing neurosurgical procedures were analyzed.
- Data collection included preoperative, intraoperative, and postoperative variables, categorized by ClassIntra grades.
Main Results:
- Operative times significantly increased with higher ClassIntra grades (CI 0: 126.6 min, CI 1: 227.6 min, CI ≥ 2: 260.7 min; P=0.01).
- Patients with major intraoperative events (CI ≥ 2) experienced greater neurological deterioration (P=0.03).
- The CI ≥ 2 group showed significantly higher 90-day readmission rates (P < 0.01).
Conclusions:
- Intraoperative complications in pediatric neurosurgery substantially influence postoperative recovery.
- Higher ClassIntra ratings are linked to prolonged operative times and adverse neurological outcomes.
- The findings underscore the importance of enhanced monitoring and risk-reduction strategies in pediatric neurosurgery.
Objective:
Quality monitoring and improvement are crucial in pediatric neurosurgery for effective risk assessment and surgical preparation. This study evaluates the reliability of the ClassIntra classification for intraoperative complications and its potential for predicting postoperative outcomes in pediatric patients.
Methods:
In this prospective cohort study at a tertiary care center, we analyzed 47 pediatric patients undergoing various neurosurgical procedures. Data were systematically collected throughout the perioperative period, focusing on preoperative characteristics, intraoperative variables, and postoperative recovery metrics.
Results:
The cohort was categorized using the ClassIntra grading system into 3 groups: CI = 0 (N = 24), CI = 1 (N = 20), and CI ≥ 2 (N = 3). The mean age was 7.0 years, with no significant demographic differences across groups. Operative times increased with higher ClassIntra grades (126.6 minutes for CI = 0, 227.6 minutes for CI = 1, and 260.7 minutes for CI ≥ 2; P = 0.01). Patients with major intraoperative adverse events showed higher neurological deterioration (P = 0.03) and increased 90-day readmission rates in the CI ≥ 2 group (P < 0.01).
Conclusions:
Intraoperative complications significantly affect postoperative recovery in pediatric neurosurgery. Longer operative times and worse neurological outcomes correlate with higher ClassIntra ratings, emphasizing the need for improved monitoring and risk-reduction strategies.
