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Introduction: Due to the inherent activities of the active duty personnel of the Mexican Navy, ligament injuries are constant, particularly the anterior cruciate ligament of the knee (ACL). Currently, we have various techniques and resources for its repair. Objective: identify the clinical results obtained in anterior cruciate ligament reconstruction in active military. Material and methods: retrospective observational study comparing clinical outcomes of anterior cruciate ligament repair in active military with the use of allograft and autograft in 23 patients who met inclusion criteria for the surgical procedure from 2017 to 2019 at the Naval Medical Center. 23 patients (46 in total) were considered for each category of anterior cruciate ligament repair with autologous graft (contralateral patellar) and heterologous graft (cadaveric anterior cruciate ligament). With an average age of autologous (35.6 years), heterologous (35 years). BMI average: autologous (26.5), heterologous (26.5). Male gender in its entirety. The IKDC and Lysholm scales were applied to all patients for the evolution of subjective results of clinical improvement in a 2-year follow-up; where a significant difference (p = 0.0001) could be observed when comparing both anterior cruciate ligament reconstruction techniques. Results: we included 46 patients who underwent anterior cruciate ligament reconstruction for indication of complete injury respectively by the Joint Surgery Service of the Naval Medical Center. A better level of clinical benefit was observed in patients with heterologous graft, both in evaluation by IKDC scale (median 95.52 ± 1.85) as in Lysholm scale (median 94.91 ± 1.62) compared to autologous grafts, IKDC (median 89.92 ± 2.55) and Lysholm (median 86.04 ± 5.58), with value of p = 0.0001 for both cases. Conclusions: The results our study suggests that a superiority of functionality is obtained as reported by patients in whom heterograft was used. [ABSTRACT FROM AUTHOR]

Introduction: scaphoid fractures comprise 50-80% of the fractures of the carpal bones. Ten percent of the scaphoid fractures evolve to non-union and show degenerative changes in the carpus in 75-97% at five years and in 100% at 10 years. The objective of this work was to evaluate the rate and time to union in patients with diagnosis of scaphoid non-union without fragmentation of the proximal pole after treatment with two cannulated headless screws and distal radius cancellous autograft. Material and methods: case series with shortterm follow-up of four patients with scaphoid non-union without fragmentation of the proximal pole treated by internal fixation using two cannulated headless screws and distal radius cancellous bone autograft. All received the same postoperative treatment and radiographic control was taken as soon as the patient experienced clinical resolution. Results: the radiographic union rate was 100% with an average time to union of 11.25 ± 3.4 weeks. There were no complications and revision surgery was not necessary. Conclusion: the results of the use of two cannulated headless screws and distal radius cancellous bone autograft endorses the technique as an effective and safe option for the treatment of scaphoid non-union without fragmentation of the proximal pole. [ABSTRACT FROM AUTHOR]