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HUMERAL SHAFT NONUNION. RETROSPECTIVE STUDY OF SEVERAL SURGICAL TECHNIQUES
Victor Nagib Queiroz Balech1, Rodrigo Emmanuel Leimig Telles Parente1, Enzo Baldas Skuk1
1Santa Casa de Misericordia de Sao Paulo, Grupo do Trauma, Sao Paulo, SP, Brazil.
Objective:
To evaluate demographic aspects, risk factors, trauma mechanisms, and therapeutic outcomes in humeral shaft nonunion.
Methods:
Retrospective analyzing of 14 patients treated between 2011 and 2024 at a quaternary hospital. Evaluating Demographic data, fracture characteristics, treatments, and outcomes were descriptively assessed.
Results:
The average patient's age was 51 years. Half of the patients were involved in domestic accidents, and half in traffic accidents. 58% of fractures occurred in the middle third of the shaft, and 93% were classified as atrophic nonunions. Healing failure was linked to lack of bone contact, implant loosening, and infection. After definitive treatment, 71% achieved union, 21% remained in nonunion. Bone grafting combined with compression was associated with superior outcomes.
Conclusion:
Trauma mechanism, AO classification, and comorbidities were not significant predictors of healing. Grafting associated with compression was crucial for union achievement. Level of Evidence IV; Case series.
