Global variation in isolated posterior cruciate ligament reconstruction

Derrick M. Knapik, Varun Gopinatth, Garrett R. Jackson, Jorge Chahla, Matthew V. Smith, Matthew J. Matava, Robert H. Brophy

Research output: Contribution to journalArticlepeer-review

Abstract

Purpose: In the setting of persistent instability or failed non-operative management, surgical reconstruction is commonly recommended for isolated posterior cruciate ligament (PCL) tears. The purpose of this study was to systematically review published studies to evaluate regional variation in the epidemiology of and surgical approaches to primary, isolated PCL reconstruction. Methods: A systematic review was performed in June 2022 to identify studies examining operative techniques during primary, isolated PCL reconstruction. Collected variables consisted of reconstruction technique, graft type, graft source, tibial reconstruction technique, femoral and tibial drilling and fixation methods, and whether the remnant PCL was preserved or debrided. Studies were classified into four global regions: Asia, Europe, North America, and South America. Results: Forty-five studies, consisting of 1461 total patients, were identified. Most of the included studies were from Asia (69%, n = 31/45). Single bundle reconstruction was more commonly reported in studies out of Asia, Europe, and North America. Hamstring autografts were utilized in 51.7% (n = 611/1181) of patients from Asia and 60.8% (n = 124/204) of patients from Europe. Trans-tibial drilling and outside-in femoral drilling were commonly reported in all global regions. The PCL remnant was generally debrided, while remnant preservation was commonly reported in studies from Asia. Conclusion: Surgical treatment of isolated PCL injuries varies by region, with the majority of published studies coming from Asia. Single-bundle reconstruction with hamstring autograft through a trans-tibial approach is the most commonly reported technique in the literature, with males reported to undergo isolated reconstruction more often than females. Level of Evidence: Systematic review, Level IV.

Original languageEnglish
Article number104
JournalJournal of Experimental Orthopaedics
Volume9
Issue number1
DOIs
StatePublished - Dec 2022

Keywords

  • Knee
  • Posterior cruciate ligament
  • Reconstruction
  • Regional variation

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