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    Less Postoperative Restrictions Following Total Hip Arthroplasty With Use of a Posterolateral Approach: A Prospective, Randomized, Noninferiority Trial. Peters Anil,Ter Weele Kirstin,Manning Fokko,Tijink Miranda,Pakvis Dean,Huis In Het Veld Rianne The Journal of arthroplasty BACKGROUND:Patient restrictions are prescribed after total hip arthroplasty (THA) to ensure proper healing and prevent early dislocation. It has been suggested that less or nonrestrictive protocols following THA do not lead to higher dislocation rates. Nonetheless, restrictions are still widely used. The aim of this study is to evaluate the rate of early dislocations when patients were restricted to supine sleeping or unrestricted sleeping in the first 8 weeks after THA using a posterolateral approach. METHODS:The study design was a single-center, parallel-group, stratified, randomized, noninferiority trial in which primary THA patients were allocated to either a restricted group or a nonrestricted group. The primary outcome was early (<8 weeks) dislocation rate. Secondary outcomes include pain (visual analog scale [VAS]), function in activities of daily living (Hip Disability and Osteoarthritis Outcome Score [HOOS]), and quality of life (EuroQoL 5 Dimension [EQ-5D]). RESULTS:A total of 408 patients were randomized into 2 groups: those who were restricted in their sleeping position (n = 203) and those who received no restrictions in sleeping position (n = 205). Three patients (1.48%) from the restricted group and 3 patients (1.46%) from the unrestricted group had a dislocation. The noninferiority of the restricted group compared to the nonrestricted group was established for early dislocation. In addition, no statistically significant differences were found for VAS, HOOS, and QoL-5D between both groups. Both groups showed a significant improvement in VAS, HOOS, and QoL-5D. CONCLUSION:Early dislocation rates in patients who were advised to comply to an unrestricted sleeping position following THA were not inferior to the dislocation rates in patients who were advised to sleep in a supine position following THA. The results of the present study strengthen the discussion regarding the relevance of providing patients with restrictions following THA. 10.1016/j.arth.2019.05.038
    Do lifestyle restrictions and precautions prevent dislocation after total hip arthroplasty? A systematic review and meta-analysis of the literature. van der Weegen Walter,Kornuijt Anke,Das Dirk Clinical rehabilitation OBJECTIVE:A systematic literature review and meta-analysis on the effectiveness of lifestyle restrictions and precautions to prevent dislocation after total hip arthroplasty. DATA SOURCES:MEDLINE and the Cochrane Library were searched in February 2015, with additional hand searching of systematic reviews and reference lists. REVIEW METHODS:This review was conducted in accordance with the PRISMA statement for reporting systematic reviews and meta-analysis. PubMed and the Cochrane Library were searched from their start date through to February 2015. Randomized controlled trials and comparative case series in English, Dutch or German language were included. Only primary total hip arthroplasty procedures managed with different postoperative restrictions and precautions protocols were included. Primary outcome was the total hip arthroplasty dislocation rate, secondary outcomes were patient functioning, return to activities of daily living and patient satisfaction. RESULTS:A total of 119 eligible articles were identified, six were included: three randomized controlled trials, one retrospective matched cohort study, one retrospective and one prospective cohort study, describing 1122 procedures (restrictions group: n = 528; no restrictions group: n = 594). Both the standard posterior and anterolateral surgical approaches were included. There were eight dislocations (1.5%) in the restricted group, vs. six dislocations (1.0%) in the unrestricted group. Patients in the unrestricted group resumed activities significantly faster and were more satisfied with their pace of recovery. CONCLUSION:A more liberal lifestyle restrictions and precautions protocol will not lead to worse dislocation rates after total hip arthroplasty, but will lead to earlier and better resumption of activities and higher patient satisfaction. These results appear to hold up for various surgical approaches. 10.1177/0269215515579421
    The role of patient restrictions in reducing the prevalence of early dislocation following total hip arthroplasty. A randomized, prospective study. Peak E Louis,Parvizi Javad,Ciminiello Michael,Purtill James J,Sharkey Peter F,Hozack William J,Rothman Richard H The Journal of bone and joint surgery. American volume BACKGROUND:It is currently unknown whether functional restrictions following total hip arthroplasty can reduce the prevalence of early postoperative dislocation. Our hypothesis was that dislocation was more likely to occur in patients who were not placed on these restrictions. METHODS:We performed a prospective, randomized study to evaluate the role of postoperative functional restrictions on the prevalence of dislocation following uncemented total hip arthroplasty through an anterolateral approach. Of the 630 eligible consecutive patients, 265 patients (303 hips) consented to be randomized into one of two groups (the "restricted" group or the "unrestricted" group). The patients in both groups were asked to limit the range of motion of the hip to <90 degrees of flexion and 45 degrees of external and internal rotation and to avoid adduction for the first six weeks after the procedure. The patients in the restricted group were instructed to comply with additional hip precautions during the first six weeks postoperatively. Specifically, these patients were managed with the placement of an abduction pillow in the operating room before bed transfer and used pillows to maintain abduction while in bed; used elevated toilet seats and elevated chairs in the hospital, in the rehabilitation facility, and at home; and were prevented from sleeping on the side, from driving, and from being a passenger in an automobile. All patients were followed for a minimum of six months postoperatively. RESULTS:There was one dislocation in the entire cohort (prevalence, 0.33%). This dislocation occurred in a patient in the restricted group during transfer from the operating table to a bed with an abduction pillow in place. Patients in the unrestricted group were found to return to side-sleeping sooner (p < 0.001), to ride in automobiles more often (p < 0.026), to drive automobiles more often (p < 0.001), to return to work sooner (p < 0.001), and to have a higher level of satisfaction with the pace of their recovery (p < 0.001) than those in the restricted group. There was an additional expenditure of approximately $655 per patient in the restricted group. CONCLUSIONS:Total hip arthroplasty through an anterolateral approach is likely to be associated with a low dislocation rate. Removal of several restrictions did not increase the prevalence of dislocation following primary hip arthroplasty at our institution. However, it did promote substantially lower costs and was associated with a higher level of patient satisfaction as patients achieved a faster return to daily functions in the early postoperative period. 10.2106/JBJS.C.01513
    Posterior Hip Precautions Do Not Impact Early Recovery in Total Hip Arthroplasty: A Multicenter, Randomized, Controlled Study. Dietz Matthew J,Klein Adam E,Lindsey Brock A,Duncan Stephen T,Eicher Jennifer M,Gillig Jonathan D,Smith Brett R,Steele G Daxton The Journal of arthroplasty BACKGROUND:Posterior hip precautions have been routinely prescribed to decrease dislocation rates. The purpose of this study was to determine whether the absence of hip precautions improved early recovery after total hip arthroplasty via the posterolateral approach. METHODS:Patients undergoing total hip arthroplasty via the posterolateral approach at 3 centers were enrolled. Patients meeting the selection criteria were randomized to standard hip precautions (SHP) or no hip precautions (NHP) for 6 weeks following surgery. HOOS Jr, Health State visual analog score, and rate of pain scores were recorded preoperatively and in subsequent postoperative visits; dislocation episodes were also noted. Standard statistical analysis was performed. RESULTS:From 2016 to 2017, 159 patients were randomized to SHP and 154 patients were randomized to NHP. Controlling for the center at which the surgery was performed, the only difference in outcome scores between the 2 groups was at 2 weeks; the NHP group had a lower HOOS Jr score when compared to the SHP group (P = .03). There was no difference in outcome scores at any other time points when compared to preoperative assessments. In the SHP group, there were 2 recorded dislocations (1.3%) and 1 in the NHP group (0.7%; P = .62). CONCLUSION:In this multicenter, randomized, controlled study, the absence of hip precautions in the postoperative period did not improve subjective outcomes which may be explained by the self-limiting behavior of NHP patients. Furthermore, with the numbers available for the study, there was no difference in the rate of dislocation between the 2 groups. 10.1016/j.arth.2019.02.057
    Reduced patient restrictions following total hip arthroplasty: study protocol for a randomized controlled trial. Peters Anil,Tijink Miranda,Veldhuijzen Anne,Huis in 't Veld Rianne Trials BACKGROUND:Total hip arthroplasty (THA) is a very common procedure in orthopedic surgery. In the Netherlands, 25,642 primary THAs were performed in 2013. Postoperative hip dislocation is one of the major complications and has been reported in 0.5 to 10.6 % of patients after primary THA. Several reports regarding the use of an anterolateral surgical approach have shown that a non-restriction or reduced restriction protocol does not increase the dislocation rate. For the posterolateral surgical approach it has been suggested that patient restrictions might be unnecessary but the amount of available literature is scarce. As such, randomized controlled trials aimed at investigating restrictions following THA using a posterior approach are strongly recommended. The aim of this prospective randomized controlled trial is to investigate the non-inferiority hypothesis concerning the early dislocation rate after THA in patients with and without the use of a reduced restriction protocol. METHODS/DESIGN:After providing informed consent a group of 456 patients with symptomatic coxarthrosis will be randomized to receive a THA either with care as usual, i.e. receiving postoperative restrictions including the advice to sleep in a supine position for the first 8 weeks postoperatively, or reduced restrictions with no recommendations regarding the position during sleeping. Primary outcome measure will be the percentage of early dislocations within the first 8 weeks after THA. Secondary outcome measures will be patient satisfaction, time to functional recovery, quality of sleep and patient's self-reported compliance with postoperative instructions. DISCUSSION:To our knowledge this will be the first randomized controlled trial that compares a reduced restriction protocol with a restricted protocol following THA using a posterolateral surgical approach. Our hypothesis is that a reduced restriction protocol following THA with use of a posterolateral surgical approach has no influence on the early dislocation rate compared to a restricted protocol. Instead, embracing a reduced restriction protocol might even contribute to a higher quality of sleep, thereby facilitating a faster uptake and return to daily functions in patients after THA. TRIAL REGISTRATION:ClinicalTrials.gov NCT02107248 , registration date 3 April 2014. 10.1186/s13063-015-0901-0