IPACK block with spinal anesthesia compared to fentanyl-based spinal anesthesia for postoperative analgesia following arthroscopic meniscectomy: a randomized, prospective study

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Abstract

Background
Local anesthesia and intrathecal narcotics are utilized to provide postoperative analgesia. IPACK (infiltration between the knee capsule and popliteal artery) is a new localized analgesic approach for knee surgery. This randomized study aimed to compare fentanyl-based spinal anesthesia and IPACK block-based spinal anesthesia for postoperative analgesia in patients undergoing arthroscopic meniscectomy.
Results
In group F, the VAS (visual analog scale) was higher than in group I, whereas the total amount of morphine was lower in group I ( < .05). In group F (3.92 ± 1.54), the initial painkiller request occurred earlier than in group I (8.82 ± 0.44). In addition, total morphine administrated in group F (20.81 ± 0.69) was significantly higher than in group I (9.54 ± 0.73) ( < .05). Group I had a higher level of patient satisfaction 24 h after surgery than group F ( < .05). In the current study, there were no significant adverse effects linked to the use of fentanyl. Moreover, no complications associated with the IPACK block were detected.
Conclusions
The combination of IPACK block and hyperbaric bupivacaine spinal anesthesia is an effective treatment for initial postoperative pain following arthroscopic meniscectomy, according to the findings of this study. IPACK block prolongs postoperative analgesia more than intrathecal fentanyl.
Trial registration
This study was registered with Clinical Trials Registry (NCT05833776).

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