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Tang X, Lai Y, Du S, Ning N. Analgesic efficacy of adding the IPACK block to multimodal analgesia protocol for primary total knee arthroplasty: a meta-analysis of randomized controlled trials. J Orthop Surg Res 2022; 17:429. [PMID: 36175927 PMCID: PMC9523917 DOI: 10.1186/s13018-022-03266-3] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/19/2021] [Accepted: 07/26/2022] [Indexed: 12/24/2022] Open
Abstract
BACKGROUND Total knee arthroplasty (TKA) is a standard treatment for end-stage degenerative knee disease. Most patients will experience moderate-to-severe postoperative knee pain, significantly affecting rehabilitation. However, controversy remains regarding the efficacy of adding the interspace between the popliteal artery and capsule of the knee (IPACK) into multimodal analgesia protocol. METHODS PubMed, Medline, Embase, Cochrane Library, and other databases were searched from inception to February 1, 2021. Studies comparing patients receiving IPACK to patients not receiving IPACK were included. The primary outcome was the ambulation pain score on a visual analogue scale (VAS) of 0-10. Secondary outcomes included pain score at rest, morphine usage, functional recovery, clinical outcomes, and complications. RESULTS Thirteen RCTs involving 1347 knees were included. IPACK was associated with lower ambulation pain scores (weight mean difference [WMD] - 0.49, 95% confidence interval [CI] - 0.72 to - 0.26). The benefits were observed from 2 to 4 h, 6 to 12 h, and beyond one week. IPACK also significantly reduced rest pain scores (WMD - 0.49, 95% CI - 0.74 to - 0.24), and the benefits were observed from 6 to 12 h and beyond one week. IPACK reduced the overall morphine consumption (WMD - 2.56, 95% CI - 4.63 to - 0.49). Subgroup analysis found reduced oral morphine consumption from 24 to 48 h (WMD - 2.98, 95% CI - 5.71 to - 0.24) and reduced rate of morphine requirement from 12 to 24 h (relative risk [RR] = 0.51, 95% CI 0.31 to 0.83). Functional recovery outcomes regarding ambulation distances (on the second postoperative day [POD2]) (WMD = 1.74, 95% CI 0.34 to 3.15) and quadriceps muscle strength (at 0 degree) (WMD = 0.41, 95% CI 0.04 to 0.77) favored IPACK. And IPACK reduced the rate of sleep disturbance (on POD 1) (RR = 0.39, 95% CI 0.19 to 0.81). There was no significant difference in the other outcomes. CONCLUSIONS Moderate-level evidence confirmed that IPACK was related to better results in pain scores, morphine usage, and functional recovery without increasing the risk of complications. REGISTRATION CRD42021252156.
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Affiliation(s)
- Xiumei Tang
- grid.13291.380000 0001 0807 1581West China School of Nursing, Sichuan University, #37 Guoxue Road, Chengdu, 610041 People’s Republic of China ,grid.13291.380000 0001 0807 1581Department of Orthopedics, West China Hospital, Sichuan University, #37 Guoxue Road, Chengdu, 610041 People’s Republic of China
| | - Yahao Lai
- grid.13291.380000 0001 0807 1581Department of Orthopedics, Orthopedic Research Institute, West China Hospital, Sichuan University, Chengdu, 610041 People’s Republic of China
| | - Siwei Du
- grid.13291.380000 0001 0807 1581West China School of Nursing, Sichuan University, #37 Guoxue Road, Chengdu, 610041 People’s Republic of China ,grid.13291.380000 0001 0807 1581Department of Orthopedics, West China Hospital, Sichuan University, #37 Guoxue Road, Chengdu, 610041 People’s Republic of China
| | - Ning Ning
- grid.13291.380000 0001 0807 1581West China School of Nursing, Sichuan University, #37 Guoxue Road, Chengdu, 610041 People’s Republic of China ,grid.13291.380000 0001 0807 1581Department of Orthopedics, West China Hospital, Sichuan University, #37 Guoxue Road, Chengdu, 610041 People’s Republic of China
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Tang X, Jiang X, Lei L, Zhu W, Fu Z, Wang D, Chen J, Ning N, Zhou Z. IPACK (Interspace between the Popliteal Artery and the Capsule of the Posterior Knee) Block Combined with SACB (Single Adductor Canal Block) Versus SACB for Analgesia after Total Knee Arthroplasty. Orthop Surg 2022; 14:2809-2821. [PMID: 36125191 DOI: 10.1111/os.13263] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/05/2021] [Revised: 03/10/2022] [Accepted: 03/21/2022] [Indexed: 12/01/2022] Open
Abstract
OBJECTIVES To evaluate the combination of the infiltration between the popliteal artery and the posterior capsule of the knee (iPACK) block and single adductor canal block (SACB) versus SACB for motor-sparing knee analgesia effects after total knee arthroplasty (TKA). METHODS PubMed, Ovid, Cochrane Library, and other databases were searched from the inception to January 2021. Randomized controlled trials (RCTs) comparing patients receiving iPACK plus SACB with patients receiving SACB after TKA were included. The included studies were assessed by two reviewers according to the Cochrane risk of bias criteria. Meta-analysis was performed with STATA 13.0 software, the risk ratios (RR) and mean differences (MD) were used to compare dichotomous and continuous variables. The primary outcome was ambulation pain and secondary outcomes were rest pain, opioid consumption, function ability, clinical outcomes, and complications. RESULTS Seven RCTs (304 knees in iPACK + SACB group; 305 knees in SACB group) were included. The follow-up periods ranged from 2 days to 3 months. Pooled data indicated lower pain scores at ambulation (p < 0.0001) for iPACK + SACB. When comparing the pain scores of subgroups analyzed at specific periods, lower scores in subgroups within 12 h (at rest and ambulation) and after 48 h (at ambulation) were observed in the iPACK + SACB group. Analysis demonstrated greater reduction in morphine consumption (p = 0.007) in the iPACK + SACB group. The iPACK + SACB group is also superior to the SACB group regarding function ability, which included range of motion (ROM) (p = 0.001), time up to go (TUG) test (p = 0.030), and ambulation distance (p < 0.0001). No difference was found in clinical outcomes or complications. CONCLUSIONS With the iPACK added to SACB, pain scores, morphine consumption, functional ability were improved. Additional high-quality studies are required to further address this topic.
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Affiliation(s)
- Xiumei Tang
- West China School of Nursing, Sichuan University/Department of Orthopedics, West China Hospital, Sichuan University, Chengdu, P.R. China
| | - Xile Jiang
- Department of Clinical Nutrition, West China Hospital, Sichuan University, Chengdu, P.R. China
| | - Lei Lei
- West China School of Nursing, Sichuan University/Department of Orthopedics, West China Hospital, Sichuan University, Chengdu, P.R. China
| | - Weitao Zhu
- Department of Computer Science and Technology, Sichuan University, Chengdu, P.R. China
| | - Zhongmin Fu
- West China School of Nursing, Sichuan University/Department of Orthopedics, West China Hospital, Sichuan University, Chengdu, P.R. China
| | - Duan Wang
- Department of Orthopedics, Orthopedic Research Institute, West China Hospital, Sichuan University, Chengdu, P.R. China
| | - Jiali Chen
- West China School of Nursing, Sichuan University/Department of Orthopedics, West China Hospital, Sichuan University, Chengdu, P.R. China
| | - Ning Ning
- West China School of Nursing, Sichuan University/Department of Orthopedics, West China Hospital, Sichuan University, Chengdu, P.R. China
| | - Zongke Zhou
- Department of Orthopedics, Orthopedic Research Institute, West China Hospital, Sichuan University, Chengdu, P.R. China
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Rodriguez-Patarroyo FA, Cuello N, Molloy R, Krebs V, Turan A, Piuzzi NS. A guide to regional analgesia for Total Knee Arthroplasty. EFORT Open Rev 2021; 6:1181-1192. [PMID: 35839095 PMCID: PMC8693230 DOI: 10.1302/2058-5241.6.210045] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
Regional analgesia has been introduced successfully into the postoperative pain management after total knee arthroplasty, reducing pain scores, opioid use and adverse effects. Combination of regional analgesia techniques is associated with better pain management and lower side effects than single regional techniques. Adductor canal block provides good analgesia and considerably lower detrimental effect in muscular strength than femoral nerve block, enhancing surgical recovery. Infiltration techniques may have equivalent analgesic effect than epidural analgesia and peripheral nerve blocks, however there should be awareness of dose dependent toxicity. Novel long-acting local anesthetics role for regional analgesia is still to be determined, and will require larger randomized trials to support its advantage over traditional local anesthetics.
Cite this article: EFORT Open Rev 2021;6:1181-1192. DOI: 10.1302/2058-5241.6.210045
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Affiliation(s)
| | - Nadin Cuello
- Department of Orthopaedic and Trauma Surgery, Hospital Interzonal General de Agudos Eva Perón, San Martín, Buenos Aires, Argentina
| | - Robert Molloy
- Department of Orthopaedic Surgery, Cleveland Clinic, Cleveland, Ohio, USA
| | - Viktor Krebs
- Department of Orthopaedic Surgery, Cleveland Clinic, Cleveland, Ohio, USA
| | - Alparslan Turan
- Outcomes Research Department, Anesthesiology Institute, Cleveland Clinic Ohio, USA
- Department of Anesthesiology, Cleveland Clinic, Cleveland, Ohio, USA
| | - Nicolas S. Piuzzi
- Department of Orthopaedic Surgery, Cleveland Clinic, Cleveland, Ohio, USA
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Response to comment on: The analgesic efficacy of iPACK after knee surgery: A systematic review and meta-analysis with trial sequential analysis. J Clin Anesth 2021; 74:110401. [PMID: 34166863 DOI: 10.1016/j.jclinane.2021.110401] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2021] [Revised: 06/10/2021] [Accepted: 06/11/2021] [Indexed: 11/23/2022]
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Hussain N, Brull R, Sheehy B, Dasu M, Weaver T, Abdallah FW. Does the addition of iPACK to adductor canal block in the presence or absence of periarticular local anesthetic infiltration improve analgesic and functional outcomes following total knee arthroplasty? A systematic review and meta-analysis. Reg Anesth Pain Med 2021; 46:713-721. [PMID: 33990436 DOI: 10.1136/rapm-2021-102705] [Citation(s) in RCA: 39] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2021] [Revised: 04/10/2021] [Accepted: 04/14/2021] [Indexed: 12/29/2022]
Abstract
BACKGROUND When combined with adductor canal block (ACB), local anesthetic infiltration between popliteal artery and capsule of knee (iPACK) is purported to improve pain following total knee arthroplasty (TKA). However, the analgesic benefits of adding iPACK to ACB in the setting of surgeon-administered periarticular local infiltration analgesia (LIA) are unclear. OBJECTIVES To evaluate the analgesic benefits of adding iPACK to ACB, compared with ACB alone, in the setting of LIA following TKA. EVIDENCE REVIEW We conducted a meta-analysis of randomized trials comparing the effects of adding iPACK block to ACB versus ACB alone on pain severity at 6 hours postoperatively in adult patients undergoing TKA. We a priori planned to stratify analysis for use of LIA. Opioid consumption at 24 hours, functional recovery, and iPACK-related complications were secondary outcomes. FINDINGS Fourteen trials (1044 patients) were analyzed. For the primary outcome comparison in the presence of LIA (four trials, 273 patients), adding iPACK to ACB did not improve postoperative pain at 6 hours. However, in the absence of LIA (eight trials, 631 patients), adding iPACK to ACB reduced pain by a weighted mean difference (WMD) (95% CI) of -1.33 cm (-1.57 to -1.09) (p<0.00001). For the secondary outcome comparisons in the presence of LIA, adding iPACK to ACB did not improve postoperative pain at all other time points, opioid consumption or functional recovery. In contrast, in the absence of LIA, adding iPACK to ACB reduced pain at 12 hours, and 24 hours by a WMD (95% CI) of -0.98 (-1.79 to -0.17) (p=0.02) and -0.69 (-1.18 to -0.20) (p=0.006), respectively, when compared with ACB alone, but did not reduce opioid consumption. Functional recovery was also improved by a log(odds ratio) (95% CI) of 1.28 (0.45 to 2.11) (p=0.003). No iPACK-related complications were reported. CONCLUSION Adding iPACK to ACB in the setting of periarticular LIA does not improve analgesic outcomes following TKA. In the absence of LIA, adding iPACK to ACB reduces pain up to 24 hours and enhances functional recovery. Our findings do not support the addition of iPACK to ACB when LIA is routinely administered.
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Affiliation(s)
- Nasir Hussain
- Department of Anesthesiology, Ohio State University Wexner Medical Center, Columbus, Ohio, USA
| | - Richard Brull
- Department of Anesthesiology, Toronto Western Hospital, Toronto, Ontario, Canada
| | - Brendan Sheehy
- Department of Anesthesiology, Ohio State University Wexner Medical Center, Columbus, Ohio, USA
| | - Michael Dasu
- Department of Anesthesiology, Ohio State University Wexner Medical Center, Columbus, Ohio, USA
| | - Tristan Weaver
- Department of Anesthesiology, Ohio State University Wexner Medical Center, Columbus, Ohio, USA
| | - Faraj W Abdallah
- Faculty of Medicine, Anesthesia, University of Ottawa, Ottawa, Ontario, Canada
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