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Related Concept Videos

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Crossover experiments, also called the repeated-measurements design, is a study design in which all experimental units are exposed to all treatments in different periods. Crossover experiments are generally used in psychology, the pharmaceutical industry, agriculture, and medicine.
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Reporting and recording are crucial in data documentation. The timely, thorough, and accurate documentation of facts is essential when recording patient data. Failure to record findings during an assessment or interpretation of a problem will result in loss of information and make the patient document unreliable. The reader is left with general impressions if the information is not specific. A recording is documenting data of the individual's health information in a traceable, secure, and...
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Related Experiment Video

Updated: Feb 14, 2026

Individualized Stem-positioning in Calcar-guided Short-stem Total Hip Arthroplasty
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Patient-Reported Outcomes and Preferences for Total Hip Arthroplasty Approach-Crossover Cohort Study.

Paweł Skowronek1,2, Paweł Jankowski1, Katarzyna Czarzasta3

  • 1Department of Mini-Invasive Orthopedics and Rehabilitation, Medical University of Warsaw, Żwirki i Wigury 61 Str., 02-091 Warsaw, Poland.

Journal of Clinical Medicine
|February 13, 2026
PubMed
Summary

The Direct Anterior Approach (DAA) for total hip arthroplasty (THA) leads to faster recovery and is preferred by patients over Posterolateral (PLA) and Lateral (LA) approaches, showing shorter hospital stays and earlier mobilization.

Keywords:
direct anterior approachlateral approachposterolateral approachtotal hip arthroplasty

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Area of Science:

  • Orthopedic Surgery
  • Arthroplasty Research
  • Surgical Approaches

Background:

  • Conflicting evidence exists regarding patient-reported outcomes for Direct Anterior Approach (DAA) versus other total hip arthroplasty (THA) methods.
  • Patient satisfaction and functional recovery are key metrics in evaluating surgical techniques.

Purpose of the Study:

  • To compare patient-reported outcomes and preferences between DAA and Posterolateral (PLA) or Lateral (LA) approaches in a crossover THA cohort.
  • To evaluate the impact of surgical approach on early recovery parameters and long-term functional scores.

Main Methods:

  • Retrospective crossover study of 69 patients undergoing staged bilateral THA.
  • Comparison of DAA versus PLA (n=29) or LA (n=40) on contralateral hips.
  • Assessment of outcomes including length of stay, mobilization, crutch use, functional scores (mHHS, HOOS-PS, NRPS), and patient preferences at 12-month follow-up.

Main Results:

  • DAA demonstrated significantly shorter length of stay, earlier mobilization, and reduced crutch use compared to PLA and LA (p < 0.001).
  • At 12 months, DAA yielded higher modified Harris Hip Scores (p < 0.05) and lower pain scores (p < 0.05).
  • A majority of patients preferred DAA over both PLA (60.7%) and LA (72.5%).

Conclusions:

  • DAA offers significantly faster early recovery in total hip arthroplasty compared to PLA and LA.
  • Patient preference strongly favors the DAA, highlighting its advantages in early postoperative recovery.
  • These findings underscore the importance of DAA in shared decision-making for THA patients.