Efficacy of interspace between the popliteal artery and the capsule of the posterior knee (iPACK) block versus periarticular local infiltration analgesia after unilateral total knee arthroplasty Prospective randomized control trial

Abdul Sattar Narejo; Fatima Abdulwahab; Mansoor Aqil; Abdullah T. Alsubaie; Hassan Y. Hazazy; Tariq Alzahrani; Abdulaziz Aljurayyan; Ahmed Thallaj

doi:10.15537/smj.2021.42.10.20210504

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Efficacy of interspace between the popliteal artery and the capsule of the posterior knee (iPACK) block versus periarticular local infiltration analgesia after unilateral total knee arthroplasty Prospective randomized control trial

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Efficacy of interspace between the popliteal artery and the capsule of the posterior knee (iPACK) block versus periarticular local infiltration analgesia after unilateral total knee arthroplasty Prospective randomized control trial

Abdul Sattar Narejo, Fatima Abdulwahab, Mansoor Aqil, Abdullah T. Alsubaie, Hassan Y. Hazazy, Tariq Alzahrani, Abdulaziz Aljurayyan and Ahmed Thallaj

Saudi medical journal, Vol.42(10), pp.1065-1071

10/01/2021

DOI: 10.15537/smj.2021.42.10.20210504

PMCID: PMC9129249

PMID: 34611000

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Abstract

Objectives: To compare the efficacy of interspace between the popliteal artery and the capsule of the posterior knee (iPACK) block with periarticular local infiltration analgesia (LIA) to assess postoperative pain control and enhanced recovery after total knee arthroplasty (TKA). Methods: This research was carried out at King Saud University Medical City, Riyadh, Saudi Arabia, from September 2020 to March 2021. Eighty Patients scheduled for elective unilateral TKA were randomized to receive either iPACK or periarticular LIA along with adductor canal block under spinal anesthesia. The primary outcome was postoperative pain score, and secondary outcomes included physical rehabilitation, duration of surgery, length of post-anesthesia care unit stay, hemodynamics, and length of hospital stay. Results: The pain score during activity in iPACK group was significantly lower compared to LIA group at 4 hours postoperatively, but no significant difference was observed at 24 or 48 hours. The timed up and go test took significantly longer for patients in LIA group at 4, 24, and 48 hours compared to those in iPACK group. No significant differences in knee range of motion were observed between the 2 groups at any point. Conclusion: Based on our findings, iPACK block is an effective technique in reducing pain in the immediate postoperative period without affecting motor function, resulting in enhanced recovery following primary TKA.

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Title: Subtitle: Efficacy of interspace between the popliteal artery and the capsule of the posterior knee (iPACK) block versus periarticular local infiltration analgesia after unilateral total knee arthroplasty Prospective randomized control trial
Creators: Abdul Sattar Narejo - King Saud Medical City
Fatima Abdulwahab - King Saud Medical City
Mansoor Aqil - King Saud Medical City
Abdullah T. Alsubaie - King Saud Medical City
Hassan Y. Hazazy - King Saud Medical City
Tariq Alzahrani - King Saud University
Abdulaziz Aljurayyan - King Saud Medical City
Ahmed Thallaj - King Saud University
Resource Type: Journal article
Publication Details: Saudi medical journal, Vol.42(10), pp.1065-1071
DOI: 10.15537/smj.2021.42.10.20210504
PMID: 34611000
PMCID: PMC9129249
NLM abbreviation: Saudi Med J
ISSN: 0379-5284
eISSN: 1658-3175
Publisher: Saudi Med J
Number of pages: 7
Grant note: College of Medicine Research Center, Deanship of Scientific Research, King Saud University, Riyadh, Kingdom of Saudi Arabia
Language: English
Date published: 10/01/2021
Academic Unit: Anesthesia
Record Identifier: 9984962536802771

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