FIXATION OF OSTEOCHONDRAL FRACTURES FOLLOWING ACUTE PATELLAR DISLOCATION: PROSPECTIVE STUDY TO ASSESS THE CLINICAL OUTCOMES AND RADIOLOGICAL UNION WITH FOLLOW-UP MRI SCANS

V. Rajput; S. Iqbal; M. Salim; S. Anand

doi:10.1302/1358-992X.2022.7.089

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Knee

FIXATION OF OSTEOCHONDRAL FRACTURES FOLLOWING ACUTE PATELLAR DISLOCATION: PROSPECTIVE STUDY TO ASSESS THE CLINICAL OUTCOMES AND RADIOLOGICAL UNION WITH FOLLOW-UP MRI SCANS

The British Association for Surgery of the Knee (BASK) May 2022 Meeting, Newport, Wales, 17–18 May 2022.

V. Rajput
S. Iqbal
M. Salim
S. Anand

FIXATION OF OSTEOCHONDRAL FRACTURES FOLLOWING ACUTE PATELLAR DISLOCATION: PROSPECTIVE STUDY TO ASSESS THE CLINICAL OUTCOMES AND RADIOLOGICAL UNION WITH FOLLOW-UP MRI SCANS

Rajput V, Iqbal S, Salim M, Anand S. FIXATION OF OSTEOCHONDRAL FRACTURES FOLLOWING ACUTE PATELLAR DISLOCATION: PROSPECTIVE STUDY TO ASSESS THE CLINICAL OUTCOMES AND RADIOLOGICAL UNION WITH FOLLOW-UP MRI SCANS. Orthop Procs. 2022;104-B(SUPP_7):89-89. doi:10.1302/1358-992X.2022.7.089

Rajput, V., et al. “FIXATION OF OSTEOCHONDRAL FRACTURES FOLLOWING ACUTE PATELLAR DISLOCATION: PROSPECTIVE STUDY TO ASSESS THE CLINICAL OUTCOMES AND RADIOLOGICAL UNION WITH FOLLOW-UP MRI SCANS.” Orthopaedic Proceedings, vol. 104-B, no. SUPP_7, 2022, pp. 89-89., https://doi.org/10.1302/1358-992X.2022.7.089

Rajput, V., Iqbal, S., Salim, M., & Anand, S. (2022). FIXATION OF OSTEOCHONDRAL FRACTURES FOLLOWING ACUTE PATELLAR DISLOCATION: PROSPECTIVE STUDY TO ASSESS THE CLINICAL OUTCOMES AND RADIOLOGICAL UNION WITH FOLLOW-UP MRI SCANS. Orthopaedic Proceedings, 104-B(SUPP_7), 89-89. https://doi.org/10.1302/1358-992X.2022.7.089

Rajput, V., Iqbal, S., Salim, M. and Anand, S. (2022) “FIXATION OF OSTEOCHONDRAL FRACTURES FOLLOWING ACUTE PATELLAR DISLOCATION: PROSPECTIVE STUDY TO ASSESS THE CLINICAL OUTCOMES AND RADIOLOGICAL UNION WITH FOLLOW-UP MRI SCANS.” Orthopaedic Proceedings, 104-B(SUPP_7), pp. 89-89. Available at: https://doi.org/10.1302/1358-992X.2022.7.089

Rajput, V., S. Iqbal, M. Salim, and S. Anand. “FIXATION OF OSTEOCHONDRAL FRACTURES FOLLOWING ACUTE PATELLAR DISLOCATION: PROSPECTIVE STUDY TO ASSESS THE CLINICAL OUTCOMES AND RADIOLOGICAL UNION WITH FOLLOW-UP MRI SCANS.” Orthopaedic Proceedings 104-B, no. SUPP_7 (2022): 89-89. https://doi.org/10.1302/1358-992X.2022.7.089

Rajput V, Iqbal S, Salim M, Anand S. FIXATION OF OSTEOCHONDRAL FRACTURES FOLLOWING ACUTE PATELLAR DISLOCATION: PROSPECTIVE STUDY TO ASSESS THE CLINICAL OUTCOMES AND RADIOLOGICAL UNION WITH FOLLOW-UP MRI SCANS. Orthop Procs. 2022 Jul 1;104-B(SUPP_7):89-89. https://doi.org/10.1302/1358-992X.2022.7.089

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Abstract

Introduction

Fractures of the articular surface of the patella or the lateral femoral condyle usually occur following acute dislocation of the patella. This study looked at the radiological and functional outcomes of fixation of osteochondral fractures

Methods

Twenty-nine patients (18 male, 11 female) sustained osteochondral fractures of the knee following patellar dislocation. All patients had detailed radiographic imaging and MRI scan of the knee preoperatively. An arthroscopic assessment was done, followed by fixation using bio-absorbable pins or headless screws either arthroscopically or mini-open arthrotomy. VMO plication or MPFL repair were done if necessary. MRI scan was done at follow-up to assess for healing of the fixed fragment prior to patient discharge.

Results

The mean age of the patients was 21 yrs (9–74), 11 had osteochondral fracture of the patella (38%), while 18 were from the lateral femoral condyle (62%). 13 patients needed additional VMO plication. Mean follow up period was 7.7 years (1 to 12 years). As per Tegner activity scale, all patients returned to their pre-injury activity level (Mean score 7) and sports. None of the patients had a further episode of patellar dislocation. Mean postoperative IKDC score was 86.5 (SD 17.3), Kujala was 91.1(SD 15.5) and Tegner- lysholm was 88.7 (SD 14.4). All patients had statistically significant (p < 0.05) improvement. Post-operative MRI scan showed satisfactory union in all cases (100%).

Conclusion

It is extremely important to identify this group of injury and treat them early to have satisfactory knee function and avoid long term complications of arthritis.