Publications by authors named "Rafael Almeida Maciel"

Objective: To evaluate and compare the proportions of complications and radiographic findings of osteosynthesis of 2- and 3-part proximal humerus fractures with two methods of treatment: third-generation antegrade nailing and locking plate.

Methods: 46 patients with a mean age of 58.9 ± 16.

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  • - The study evaluated the surgical treatment for acute distal biceps injuries using a single incision method and suture anchor fixation, reviewing the outcomes of 22 patients from 2008 to 2014 over an average follow-up of 12 months.
  • - Post-surgery, 100% of patients reported satisfaction with the procedure's aesthetic results, no pain, and maintained nearly full range of motion, with only one patient experiencing slight loss of supination.
  • - The surgical technique demonstrated high functional scores (95.4% excellent results) and a 27.2% complication rate, positioning it as a safe and effective option for early mobility and positive recovery outcomes.
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A complete rupture of the teres major is an extremely rare injury and rarely described in the literature. We report the first case of an isolated rupture of the teres major in a professional football goalkeeper. The diagnosis requires a high degree of suspicion and complementation by image examinations.

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  • The study compared the biomechanical performance of a dynamic hip system with an anti-rotation screw against a control group for fixing Pauwels III femoral neck fractures in synthetic bone.
  • Ten synthetic bones were divided into two groups (test and control), and fixation strength and rotational deviation were measured through various displacement phases.
  • Results showed that the test group exhibited significantly higher mechanical resistance compared to the control group, indicating its effectiveness in preventing fracture failure.
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Objective: To analyze statistically results in biomechanical testing of fixation of femoral neck Pauwels type III fractures, on synthetic bone, with dynamic condylar screw (DCS) and control group.

Methods: Ten synthetic bones of a national brand were used. Test Group: fixation was performed after osteotomy at 70(o) tilt using DCS plate with four holes.

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  • The study aimed to evaluate the biomechanical performance of using 7.5mm cannulated screws in an inverted triangle setup for fixing Pauwels type III femoral neck fractures in synthetic bones compared to a control group.
  • Ten synthetic bones were split into a test group (with screws) and a control group (no screws), analyzing fixation resistance and rotational deviation under various displacement conditions.
  • Results indicated that the test group's fixation showed significantly lower mechanical strength compared to the control group, with notable differences in displacement resistance and rotational deviation measurements.
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Objective: To analyze statistically results obtained between biomechanical assays on fixation of femoral neck fracture type Pauwels III, on synthetic bone, using 7.5 mm non parallel cannulated screws and control group.

Methods: Ten synthetic bones from a national brand were used.

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