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Published on: April 4, 2011
Hemodynamic, Airway Pressure, and Capnometric Changes and Perioperative Outcome in Pediatric Laparoscopic Inguinal
Jyoti Garg1, Suniti Kale2, Nikki Sabharwal2
1Resident Physician, Anesthesia and Intensive Care, Sengkang General Hospital, Singapore.
Insights
Pediatric laparoscopic herniorrhaphy causes significant cardiorespiratory changes, including increased airway pressures and carbon dioxide levels. However, outcomes are comparable to open surgery.
Area of Science:
- Pediatric Surgery
- Anesthesiology
- Cardiorespiratory Physiology
Background:
- Pediatric laparoscopic surgery introduces cardiorespiratory alterations due to increased intra-abdominal pressure (IAP) and hypercarbia.
- Understanding these physiological changes is crucial for patient safety during minimally invasive procedures in children.
Purpose of the Study:
- To analyze the cardiorespiratory effects of pneumoperitoneum and postural changes during pediatric laparoscopic herniorrhaphy (LH).
- To compare these effects with open herniorrhaphy (OH).
- To assess the overall perioperative outcomes for both procedures.
Main Methods:
- Prospective, observational study in a tertiary care hospital.
- Fifty children undergoing either LH (n=25) or OH (n=25) were enrolled.
- Monitored parameters included heart rate, blood pressure, ECG, end-tidal CO2, airway pressures, and IAP.
Main Results:
- Significant increases in systolic, diastolic, and mean arterial pressures were observed in the LH group.
- Elevated peak, plateau, and mean airway pressures were noted during LH.
- End-tidal CO2 showed a marked rise in the laparoscopic group, with 3 recurrences observed.
Conclusions:
- Pediatric laparoscopic herniorrhaphy leads to significant hemodynamic, airway pressure, and capnometric changes.
- Perioperative outcomes were comparable between laparoscopic and open herniorrhaphy groups.
Background:
Laparoscopic procedures which are now established in pediatric population as well exposes the child to supplemental cardiorespiratory changes due to increase in intraabdominal pressure (IAP) and hypercarbia.
Aims:
This study aims to analyze the effects of pneumoperitoneum and postural modifications on cardiorespiratory system (primary outcome) during pediatric laparoscopic herniorrhaphy (LH) and its comparison with open herniorrhaphy (OH) and assessment of overall perioperative outcome (secondary outcome).
Settings And Design:
A prospective, observational study conducted in a tertiary care hospital.
Materials And Methods:
Fifty children undergoing either LH (n = 25) or OH (n = 25) were included in the study. Anesthetic procedure was standardized. Parameters monitored were heart rate (HR), systolic blood pressure (SBP), diastolic blood pressure (DBP), mean arterial pressures (MAP), electrocardiogram lead-II, end-tidal CO2 (ETCO2), airway pressures PPeak, PPlateau, PMean, pulse oximetry, IAP, minute ventilation/respiratory rate alterations.
Statistical Analysis Used:
Student's t-test and Chi-square test were applied to compare different variables between the two groups. Intragroup analysis was done using the analysis of variance test.
Results:
The HR was comparable in both groups. The rise in SBP, DBP, and MAP was 9% (102.88 ± 6.91-121.32 ± 6.63), 19% (60.88 ± 4.94-77.00 ± 9.75), and 14.8% (73.92 ± 4.65-90.40 ± 8.42), respectively, in group LH. The rise in peak, plateau, and mean airway pressures was 19.4% (14.20 ± 2.00-18.00 ± 2.54), 20.1% (13.32 ± 1.89-16.89 ± 2.60), and 16.1% (6.20 ± 1.00-7.47 ± 0.96), respectively, in group LH. ETCO2 showed a maximum rise of 19.4% (34.52 ± 3.61-41.21 ± 3.99) in group LH. In laparoscopic group, recurrence was seen in 3 patients.
Conclusions:
We found significant hemodynamic, airway pressure, and capnometric changes during pediatric LH with comparable perioperative outcome among the two groups.
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