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[A case of gastrectomy under continuous subdural anesthesia].
Tetsushi Fukushige1, Tomomi Sano, Shinya Hamada
1Department of Anesthesiology, Kurume University School of Medicine, Kurume 830-0011.
Masui. the Japanese Journal of Anesthesiology
|November 14, 2002
Summary
Subdural anesthesia, an unintended complication of epidural block, was successfully used for a patient undergoing gastrectomy. This technique provided effective anesthesia and postoperative pain relief, demonstrating its potential clinical utility when managed properly.
Area of Science:
- Anesthesiology
- Neurosurgery
- Pain Management
Background:
- Unintentional subdural block is a known complication during epidural anesthesia attempts.
- This case explores the potential use of a catheter inadvertently placed in the subdural space for clinical anesthesia and pain management.
Observation:
- A 75-year-old male patient scheduled for gastrectomy received "subdural anesthesia" via a T7-T8 interspace catheter.
- Computed tomography confirmed subdural catheter placement.
- An initial dose of 0.5% bupivacaine and ephedrine resulted in analgesia from C5 to S1 dermatomes with stable vital signs.
Findings:
- Subdural anesthesia provided adequate anesthesia for laparotomy, with analgesia extending to S3 by the end of surgery.
- Continuous infusion of bupivacaine for 7 days ensured effective postoperative pain relief without patient complaints.
- Respiration remained stable throughout the procedure.
Implications:
- This case demonstrates the potential of subdural block as a viable anesthetic technique for major abdominal surgery.
- Proper management and monitoring are crucial for successful subdural anesthesia.
- Further research may explore optimizing subdural block techniques for broader clinical application.