Rapid Return to Braking after Anterior and Posterior Approach Total Hip Arthroplasty

John T. Richards*, Sean E. Slaven, Bobby G. Yow, Robert W. Tracey, Andrew W. Mack, John P. Cody

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

Background:Little is known about the effect of surgical approach on return to braking after total hip arthroplasty (THA), and few studies have investigated braking after THA with modern surgical techniques and rehabilitation protocols.Methods:In a prospective comparative design, we enrolled 65 patients who received right-sided primary THA at our institution from April 2018 through March 2020, 34 with a direct anterior approach (DAA) and 31 with a posterior approach (PA). Braking tests measuring brake reaction time (BRT) and brake pedal depression (BPD) were administered to patients preoperatively and at 1, 2, and 4 weeks postoperatively using a realistic driving simulator. BRT and BPD were compared between groups and preoperatively versus postoperatively using mixed-effects models.Results:Preoperative BRT averaged 638 msec in the DAA group and 604 msec in the PA group (P = 0.31). At 1 week postoperatively, the DAA group had significantly prolonged BRT compared with preoperatively (694 msec, P = 0.02). No significant difference was observed in the PA group (633 msec, P = 0.31). Both groups had returned to baseline by 2 weeks, and both had significantly faster BRT at 4 weeks compared with preoperatively (583 msec for DAA, P = 0.01; 537 msec for PA, P < 0.001). BPD was similar between groups, and there were no significant differences between preoperative and postoperative BPD at any time point.Conclusions:With modern surgical techniques, BRT after right-sided THA returns to baseline levels approximately 2 weeks after surgery. There seems to be a quicker return to preoperative BRT observed in patients with a PA.

Original languageEnglish
Article numbere23.00093
JournalJournal of the American Academy of Orthopaedic Surgeons Global Research and Reviews
Volume8
Issue number4
DOIs
StatePublished - 3 Apr 2024
Externally publishedYes

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