Muhammet Ahmet KARAKAYA, Hacı Ahmet ALICI

Comparison of the Postoperative Analgesia Effects of Patient-Controlled Analgesia and Epidural Catheter After Posterior Instrumentation Surgery

Objective: To prospectively assess the effects of intravenous patient-controlled analgesia (IV PCA) and epidural patient-controlled analgesia (epidural PCA) on postoperative pain management following posterior instrumentation surgery. Materials and Methods: The study involved the ASA 1-2 group, 60 patients who underwent elective thoracic or lumbar posterior instrumentation surgery at our tertiary centre for spinal stenosis. Two groups of patients were created: Group 1 (n = 30), IV PCA group, and Group 2 (n=30), epidural PCA group. IV PCA was applied by fentanyl. Epidural PCA was maintained by lading to epidural space by the neurosurgeon. Bupivacaine was administered to Group 2 patients in the recovery room. Following surgery, patients in both groups were assessed for pain using the visual analogue scale (VAS) and for motor block using the Bromage scale. Additionally, hemodynamic parameters, side effects, and patient satisfaction were noted. Following 48 hours, patients' overall rescue analgesia, opioid, and local anaesthetic requirements were recorded. Results: Postoperative VAS scores of Group 2 at the 1st, 2nd, 4th, 8th and 16th hours were lower than Group 1 and these differences was statistically significant. Postoperative patient satisfaction scores at 1st, 2nd, 4th, 8th, 12th, 16th, 20th, 24th, 30th, 36th, 42nd and 48th hours were significantly different between the groups and the patient satisfaction scores of Group 2 were higher than the Group 1. Side effects were similar in both groups. Group 1 required statistically significantly higher number of rescue analgesia. Conclusion: This study shows that epidural PCA is more comfortable than IV PCA with low VAS and high patient satisfaction scores. As a conclusion, epidural PCA is a safe, highly efficient method for patients with posterior instrumentation surgery.

Keywords:

Analgesia, Patient-Controlled Pain, Postoperative,

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