Comparison of Analgesic Efficiency Between IPACK Block and Surgical Infiltration After Total Knee Arthroplasty

Overview

The purpose of this retrospective study is to compare the analgesic efficiency of IPACK block (Interspace between the Popliteal Artery and the Capsule of the posterior Knee) with surgical infiltration after total knee arthroplasty. The main objective is to compare cumulative morphine consumption the first 24 hours after surgery. The secondary objectives are to compare pain scores, types and amounts of other analgesics needed during the first 24 hours after surgery.

Full Title of Study: “Comparison of Analgesic Efficiency Between IPACK Block (Interspace Between the Popliteal Artery and the Capsule of the Posterior Knee) and Surgical Infiltration After Total Knee Arthroplasty”

Study Type

  • Study Type: Observational
  • Study Design
    • Time Perspective: Retrospective
  • Study Primary Completion Date: November 1, 2019

Detailed Description

After patient agreement, data will be collected on patient records and will be compared into 2 groups. Data will be : – cumulative consumption of morphine during the first 24 hours after surgery – pain scores during the first 24 hours after surgery – amount of analgesics during the first 24 hours after surgery – maximal pain score during the first 24 hours after surgery

Interventions

  • Other: Injection of local anesthetics during total knee arthroplasty by a locoregional anesthesia named IPACK block
    • Injection of local anesthetics during total knee arthroplasty by a locoregional anesthesia named IPACK block (Interspace between the Popliteal Artery and the Capsule of the posterior Knee)
  • Other: Injection of local anesthetics during total knee arthroplasty by surgical infiltration
    • Injection of local anesthetics during total knee arthroplasty by surgical infiltration.

Arms, Groups and Cohorts

  • IPACK group
    • IPACK group
  • Surgical infiltration group
    • Surgical infiltration group

Clinical Trial Outcome Measures

Primary Measures

  • Analgesic need
    • Time Frame: 24 hours
    • Morphine consumption during the first 24 hours after total knee arthroplasty

Secondary Measures

  • Pain scores in the recovery room
    • Time Frame: 24 hours
    • Pain scores in the recovery room during the first 24 hours after surgery using the EVA scale
  • maximal pain score
    • Time Frame: 24 hours
    • maximal pain score during the first 24 hours after surgery using the EVA scale
  • Description of the analgesics administered
    • Time Frame: 24 hours
    • types of other analgesics needed during the first 24 hours after surgery
  • amount other analgesics
    • Time Frame: 24 hours
    • amount other analgesics needed during the first 24 hours after surgery

Participating in This Clinical Trial

Inclusion Criteria

  • All adults patients after a total knee arthroplasty since november 2015 Exclusion criteria:

  • Child, non primitive surgery

Gender Eligibility: All

Minimum Age: 18 Years

Maximum Age: 100 Years

Are Healthy Volunteers Accepted: Accepts Healthy Volunteers

Investigator Details

  • Lead Sponsor
    • University Hospital, Montpellier
  • Provider of Information About this Clinical Study
    • Sponsor
  • Overall Official(s)
    • Xavier Capdevila, PhD, Study Director, University Hospital, Montpellier

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