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Combined continuous spinal-epidural anaesthesia with a single interspace, double-catheter technique
M P Vercauteren1, K Geernaert, D M Vandeput
1Department of Anaesthesia, University Hospital Antwerp, Edegem, Belgium.
Anaesthesia
|November 1, 1993
Summary
This study explored a modified combined spinal-epidural anesthesia technique in 12 patients. The method proved suitable for debilitated individuals, offering dose titration and catheter verification before intrathecal injection.
Area of Science:
- Anesthesiology
- Surgical Procedures
Background:
- Combined spinal-epidural anesthesia (CSE) is a valuable technique for surgical procedures.
- Modifications to CSE aim to improve safety and efficacy, particularly in high-risk patient groups.
Purpose of the Study:
- To evaluate a double-catheter, single-interspace CSE technique in ASA grade 3 patients.
- To assess the feasibility, safety, and efficacy of this modified CSE approach.
Main Methods:
- A double-catheter, single-interspace CSE technique was employed in 12 ASA grade 3 patients.
- Hyperbaric lignocaine or bupivacaine was used for the spinal component.
- Catheter placement and block characteristics were monitored.
Main Results:
- The technique was successful in 10 out of 12 patients.
- Two cases experienced technical difficulties: one with intrathecal catheter insertion and one with accidental intrathecal epidural catheter placement.
- The maximum block height was below T10 in all successful cases, with no adverse cardiovascular events observed.
Conclusions:
- This modified CSE technique is a viable option for very debilitated patients.
- Advantages include the ability to titrate intrathecal anesthetic dose and confirm epidural catheter position prior to spinal injection.
- Further research may be warranted to optimize its application and reduce failure rates.