Single intrathecal fentanyl for combined spinal epidural anesthesia confers no advantage over hemodynamic effects in elderly patients

A. Yucel 1, N. Gulhas 1, M.S. Aydogan 2, M.A. Erdogan 3, A. Beytur 4, C. Tasdemir 4, M.O. Ersoy 1

¹ Department of Anesthesiology and Reanimation, School of Medicine, Inonu University, Malatya (Turkey)
² Department of Anesthesiology, Malatya Government Hospital, Malatya (Turkey)
³ Department of Anesthesiology and Reanimation, School of Medicine, Adiyaman University, Adiyaman (Turkey)
⁴ Department of Urology, Inonu University, School of Medicine, Malatya (Turkey)

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• Anesthesiology

Background: Neuroaxial blockade for ambulatory transurethral resection of the prostate is a well established technique. Patients in this group are often at high risk for perioperative complications from concurrent diseases. The purpose of this study was to compare the elderly patients who received intrathecal fentanyl alone or intrathecal fentanyl plus bupivacaine or epidural anesthesia for transurethral resection of prostate surgery.

Material and Methods: Ninety-nine patients were prospectively randomized to receive fentanyl 25 µg (Group F), fentanyl 25 µg plus hyperbaric bupivacaine 2.5 mg (Group BF), or epidural anesthesia adding fentanyl 50 µg (Group E) by combined spinal epidural anesthesia technique.

Results: The amount of local anesthetics used until when the sensorial block reached the level of T10 was significantly lower in the Group BF than in the Group E and the Group F (p < 0.001). Maximum level of sensory block was significantly lower in the Group BF than in the Group E and the Group F (p = 0.01). The time elapsed until the sensory block reached T10, the regression of sensory block to L5 level were significantly lower in the Group BF than in the Group E and the Group F (p = 0.005, p < 0.001, respectively). Compared to the basal values, mean arterial pressures were significantly lower in the Group BF than in the Group E and the Group F (p < 0.05). The occurrence of hypotension was significantly lower in the Group BF (9.4%) than in the Group E (18.2%) and the Group F (24.2%).

Conclusions: Intrathecal hyperbaric bupivacaine 2.5 mg plus fentanyl 25 µg administration provides shorter motor block onset time, less local anesthetic usage and adequate hemodynamic stability in elderly patients.

Corresponding Author: Aytaç Yücel, MD; e-mail: aytac.yucel@inonu.edu.tr

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