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Laparoscopic extraperitoneal inguinal hernia repair complicated by subcutaneous emphysema
C E Klopfenstein1, G Gaggero, C Mamie
1Department of Anaesthesiology, University Hospital of Geneva, Switzerland.
Summary
A rare case of massive subcutaneous emphysema during laparoscopic hernia repair led to a rapid increase in end-tidal carbon dioxide (ETCO2). This complication highlights the need for careful monitoring during extraperitoneal procedures.
Area of Science:
- Surgical Innovation
- Anesthesiology
- Minimally Invasive Surgery
Background:
- Laparoscopic extraperitoneal inguinal hernia repair is a common minimally invasive procedure.
- General anesthesia with CO2 insufflation is standard for these surgeries.
- Potential complications include subcutaneous emphysema and hypercarbia.
Observation:
- A healthy 59-year-old male developed massive subcutaneous emphysema during elective laparoscopic extraperitoneal inguinal hernia repair.
- A sudden, significant increase in end-tidal carbon dioxide (ETCO2) from 5.0% to 9.4% was observed.
- The rise in ETCO2 was the initial indicator of an adverse event, preceding physical diagnosis of emphysema.
Findings:
- Subcutaneous emphysema and hypercarbia are known risks, particularly in extraperitoneal laparoscopic surgery due to CO2 diffusion.
- High insufflation pressures were identified as the likely cause of this complication.
- The case underscores the importance of recognizing ETCO2 changes as an early warning sign.
Implications:
- Recommendations for managing laparoscopic extraperitoneal surgery include monitoring CO2 insufflation pressure.
- Routine chest wall examination and palpation are crucial for early detection of subcutaneous emphysema.
- Adjusting ventilation to maintain physiological ETCO2 and excluding alternative causes are vital management strategies.