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Orthopaedic Proceedings
Vol. 88-B, Issue SUPP_II | Pages 280 - 280
1 May 2006
Ashraf M Hussain M Thakral R Corrigan J Kaar K McGuiness A Dolan M
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Aims: Treatment options for proximal humeral fractures are not very clear, specially in osteoporotic bones. Non operative treatment if on one hand leads to unpredicted and poor outcomes, the operative treatment on the other hand leads to devascularization of fractured fragments and implant failure leading to unacceptable results. Newer interlocking plates, which are applied with minimum soft tissue stripping of fractured fragments and better fixation abilities seems a promising alternative. We present our experience with such plates.

Patients and Methods: Over a period of two years 2002 and 2003, we used 50 plates to treat Neer’s two and three parts and surgical neck of humerus fractures. We reviewed our clinical results with PHILOS plates, which is in interlocking plate. Average age was 34 (24–82). 21 Male and 29 Females. We followed them clinically and radiologically for healing. The shoulder function was assesses with DASH scoring system. The DASH system questionnaire was filled by patients before the fracture and after healing of the fractures. We used a regimen of progressive rehabilitation of shoulder from immediate post operative period. All the complications including union issues, shoulder function, wound problems, nerve injuries, infection and implant failure were noted. Two different techniques were used to fix the fracture with the plate.

Statistical analysis was performed on the data collected through DASH questionnaires along with multivariate and univariate analysis and t-tests.

Results: We were able to follow all the patients who filled the pre fracture and post healing DASH system questioner. X-rays and clinical findings were available for all the patients in the study. All the patients united with average length of 6 weeks (5–12 weeks). All the fractures united. There were no deep infections; however, two patients had to have a week of oral antibiotics for superficial wound infection. There were no permanent nerve injuries. Eight patients had transient axillary nerve paresis, which resolved after 10–15 days. Patient satisfaction with the procedure was high.

48 % of patients showed a rise in DASH scores after the fracture healing, indicating decrease shoulder function. This was statistically analysed and failed to reach any significance p=0.867. There was no difference between the two techniques in terms of complications and union rates.

Conclusions: PHILOS interlocking plates in our study showed 100% union rate with no or minimal complications and preservation of shoulder function. They are technically not difficult to apply and allow immediate post operative mobilization. Hence we recommend their use in primary fixation of proximal humerus fractures.