Durable patellar stability and high patient‐reported success at minimum 5‐year follow‐up after isolated suture tape MPFL reconstruction

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dc.authorid0000-0002-0926-5879
dc.authorid0000-0003-1766-8413
dc.authorid0000-0002-9545-7454
dc.contributor.authorErden, Tunay
dc.contributor.authorAğır, Muzaffer
dc.contributor.authorKayaalp, Mahmut Enes
dc.contributor.authorToker, Berkin
dc.contributor.authorTaşer, Ömer
dc.date.accessioned2026-06-04T12:38:30Z
dc.date.available2026-06-04T12:38:30Z
dc.date.issued2026
dc.departmentFakülteler, Tıp Fakültesi, Cerrahi Tıp Bilimleri Bölümü, Ortopedi ve Travmatoloji Ana Bilim Dalı
dc.description.abstractPurpose: To evaluate the mid‐to‐ long‐term clinical and radiological out comes of isolated medial patellofemoral ligament reconstruction (MPFL‐R) using a high‐strength suture tape (HSST) construct in patients with recur rent patellar instability and no major osseous risk factors. Methods: Patients treated with isolated MPFL‐R using HSST and a single knotless femoral anchor between 2015 and 2021 were retrospectively re viewed. Inclusion criteria were recurrent lateral patellar instability (≥2 disloca tions or symptomatic subluxations) refractory to nonoperative treatment and a minimum postoperative follow‐up of 60 months. Patients requiring concomitant bony realignment or presenting with major anatomic risk factors (e.g., high grade trochlear dysplasia, severe patella alta, tibial tubercle–trochlear groove distance >20mm) were excluded. Clinical outcomes were assessed with the International Knee Documentation Committee (IKDC) subjective score, Kujala score and visual analogue scale (VAS) for pain. Patellar tilt was mea sured on axial magnetic resonance imaging (MRI). Postoperative instability events, complications and reoperations were recorded. Clinically meaningful improvements were assessed using minimal clinically important difference (MCID) and patient‐acceptable symptomatic state (PASS) thresholds. Kaplan Meier survival analysis was performed to estimate 5‐year survivorship free from redislocation (primary endpoint) and any postoperative instability (secondary endpoint). Postoperative instability was defined as clinically docu mented redislocation or symptomatic subluxation. Results: Eighty‐one patients (mean age 20.8 years; 31.4% female) were included. At a mean follow‐up of 79.4±14.3 months, one redislocation (1.2%) and two subluxations (2.5%) occurred. Five‐year survivorship free from redislocation was 98.8% (95% confidence interval [CI], 96.4%–100%), and survivorship free from any postoperative instability was 96.3% (95% CI, 92.2%–100%). All patient‐reported outcome measures improved signifi cantly from baseline to final follow‐up (all p<0.001). Ninety‐six percent of patients achieved the PASS threshold for IKDC (95% CI, 89.7%–98.7%), whereas PASS attainment for the Kujala score ranged from 74% to 86% depending on the applied cut‐off. Radiologically, patellar tilt improved substantially on MRI (p<0.001). Postoperative complications were infrequent and manageable, including five cases of arthrofibrosis (requiring manipulation under anaesthesia), one deep infection (treated with arthro scopic debridement) and three cases of implant‐related bursitis at the femoral fixation site. Conclusion: Isolated MPFL reconstruction using an HSST construct pro vided durable patellar stability and significant functional improvement at a minimum 5‐year follow‐up. This technique represents a reliable mid‐to long‐term option for isolated MPFL‐R in appropriately selected patients, especially when graft harvest morbidity and patellar bone preservation are concerns.
dc.identifier.citationErden, T., Ağır, M., Kayaalp, M. E., Toker, B., & Taşer, Ö. (2026). Durable patellar stability and high patient‐reported success at minimum 5‐year follow‐up after isolated suture tape MPFL reconstruction. Knee Surgery, Sports Traumatology, Arthroscopy, pp. 1-9. https://doi.org/10.1002/ksa.70466
dc.identifier.doi10.1002/ksa.70466
dc.identifier.endpage9
dc.identifier.issn1433-7347
dc.identifier.issn0942-2056
dc.identifier.pmidPMID: 42187320
dc.identifier.scopusqualityQ1
dc.identifier.startpage1
dc.identifier.urihttps://doi.org/10.1002/ksa.70466
dc.identifier.urihttps://hdl.handle.net/20.500.13055/1502
dc.identifier.wosWOS:001776079700001
dc.identifier.wosqualityQ1
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.indekslendigikaynakPubMed
dc.indekslendigikaynak.otherSCI-E - Science Citation Index Expanded
dc.institutionauthorErden, Tunay
dc.institutionauthorid0000-0002-0926-5879
dc.language.isoen
dc.publisherWiley
dc.relation.ispartofKnee Surgery, Sports Traumatology, Arthroscopy
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.subjectMedial Patellofemoral Ligament Reconstruction
dc.subjectPatellar Instability
dc.subjectSuture Tape
dc.subjectSynthetic Graft Survivorship
dc.titleDurable patellar stability and high patient‐reported success at minimum 5‐year follow‐up after isolated suture tape MPFL reconstruction
dc.typeArticle
dspace.entity.typePublication

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