European journal of orthopaedic surgery & traumatology : orthopedie traumatologie · 2024
Hoffa fractures are slower to heal than entire condyle fractures of the distal femur: an analysis of type 33B fractures.
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Pettit Christopher J, Konda Sanjit R, Ganta Abhishek, Tejwani Nirmal C, Egol Kenneth A
Аннотация
PURPOSE: To examine patient demographic and clinical outcomes associated with partial articular distal femoral fractures.
METHODS: An IRB-approved study was conducted on a consecutive series of patients being treated for isolated partial articular distal femoral fractures at a single academic medical center between August, 2011 and July, 2023. Patient demographics, hospital quality measures and outcomes for each patient were reviewed. All fractures were fixed using screws alone or plate and screw constructs. Fractures were grouped into isolated entire medial or lateral condyle (OTA/AO 33B1 or B2) and posterior unicondylar (Hoffa) fractures (OTA/AO 33B3.2). Cohorts were compared for clinical, radiographic and complication outcomes using Chi-Square Tests and ANOVA tests.
RESULTS: A total of 30 patients were identified with a mean of 55.2 years. There were 16 (53.3%) isolated medial/lateral condylar fractures and 14 (46.7%) Hoffa fractures. There were no differences between the two fracture types in terms of baseline demographics. There was no difference in terms of length of stay or in-hospital complications between the fracture types. All fractures united. There was also no difference in range of knee motion at latest follow-up visit. Hoffa fractures required a longer time for radiographic healing (4.5 months vs. 3.05 months, p = 0.012).
CONCLUSION: Hoffa fractures require longer time to radiographic healing compared to other partial articular distal femoral fractures; however no other differences were seen based on fracture patterns.
LEVEL OF EVIDENCE: III.
METHODS: An IRB-approved study was conducted on a consecutive series of patients being treated for isolated partial articular distal femoral fractures at a single academic medical center between August, 2011 and July, 2023. Patient demographics, hospital quality measures and outcomes for each patient were reviewed. All fractures were fixed using screws alone or plate and screw constructs. Fractures were grouped into isolated entire medial or lateral condyle (OTA/AO 33B1 or B2) and posterior unicondylar (Hoffa) fractures (OTA/AO 33B3.2). Cohorts were compared for clinical, radiographic and complication outcomes using Chi-Square Tests and ANOVA tests.
RESULTS: A total of 30 patients were identified with a mean of 55.2 years. There were 16 (53.3%) isolated medial/lateral condylar fractures and 14 (46.7%) Hoffa fractures. There were no differences between the two fracture types in terms of baseline demographics. There was no difference in terms of length of stay or in-hospital complications between the fracture types. All fractures united. There was also no difference in range of knee motion at latest follow-up visit. Hoffa fractures required a longer time for radiographic healing (4.5 months vs. 3.05 months, p = 0.012).
CONCLUSION: Hoffa fractures require longer time to radiographic healing compared to other partial articular distal femoral fractures; however no other differences were seen based on fracture patterns.
LEVEL OF EVIDENCE: III.