BERNAL BADER, NAZIRA LUCIA
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BERNAL BADER, NAZIRA LUCIA
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nbernal@udd.cl
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57205309418

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Four-Corner Arthrodesis: Comparative Analysis of Open Technique Versus Percutaneous Technique with Arthroscopic Assistance

2021 , Camila Azócar , Juan J. Lecaros , BERNAL BADER, NAZIRA LUCIA , Miguel Sanhueza , Rodrigo Liendo , José L. Cifras

Abstract Introduction Four-corner arthrodesis is a salvage technique for patients with carpal advanced osteoarthritis. Nowadays, percutaneous techniques with arthroscopic assistance have been described, achieving favorable results with minimally invasive techniques advantages over open surgery. Objective To compare functional and radiological results in patients with SLAC or SNAC wrists operated with open surgical technique versus percutaneous surgery with arthroscopic assistance. Materials and Methods Retrospective case-control study of clinical records and radiological images of patients with carpal advanced osteoarthritis operated with both surgical techniques. We studied demographic variables, pain with visual analog scale (VAS) score, function in ranges of mobility, time of consolidation, and correction of DISI deformity. Results A total of 22 male patients with an average age of 32.5 years were studied. Thirteen patients in the case group (percutaneous technique with arthroscopic assistance) and nine patients in the control group (open surgery). Pain score in VAS at discharge was 3 for cases and 5 in controls (p = 0.008), and at 30 days postoperatively, it was 0 and 3 respectively (p = 0.00). The extension and flexion ranges were 52.6°and 38.7° in the cases and 35.7° and 32.4° in the control group (p = 0.119 and 0.0016, respectively). The capitolunate angle was 10°in the controls and 5°in the cases (p = 0.0008). The time of consolidation was 8.8 weeks in cases and 12.5 weeks in controls (p = 0.039). Conclusions The percutaneous technique with arthroscopic assistance for the 4-courner arthrodesis is a reproducible technique and is effective in achieving consolidation, pain reduction and preservation of wrist motion. In the present study, we demonstrate superiority of this technique over the open surgery. Level of Evidence This is a Level III, therapeutic study.

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Arthroscopic Intercondylar Notch Bone Marrow Aspiration During Anterior Cruciate Ligament Reconstruction

2019 , David Limo Figueroa , CALVO RODRIGUEZ, RAFAEL , VAISMAN BURUCKER, ALEJANDRO ESTEBAN , Sergio Arellano , FIGUEROA BERRIOS, FRANCISCO JAVIER , Rodrigo Donoso , BERNAL BADER, NAZIRA LUCIA , Luis A. O'Connell

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Arthroscopic-assisted latissimus dorsi transfer for irreparable posterosuperior cuff tears: Clinical outcome of 15 patients

2021 , Felipe Reinares , Andres Calvo , BERNAL BADER, NAZIRA LUCIA , Pedro Lizama , Philippe Valenti , Felipe Toro

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Could Subtle Obstetrical Brachial Plexus Palsy Be Related to Unilateral B Glenoid Osteoarthritis?

2021 , Alexandre Lädermann , Hugo Bothorel , Philippe Collin , Bassem Elhassan , Luc Favard , BERNAL BADER, NAZIRA LUCIA , Patric Raiss , George S. Athwal

Background: Several factors associated with B glenoid are also linked with obstetrical brachial plexus palsy (OBPP). The purpose of this observational study was to determine the incidence of OBPP risk factors in type B patients. Methods: A cohort of 154 patients (68% men, 187 shoulders) aged 63 ± 17 years with type B glenoids completed a questionnaire comprising history of perinatal characteristics related to OBPP. A literature review was performed following the Preferred Reporting Items for Systematic Review and Meta-Analysis (PRISMA) to estimate the incidence of OBPP risk factors in the general population. Results: Twenty-seven patients (18%) reported one or more perinatal OBPP risk factors, including shoulder dystocia (n = 4, 2.6%), macrosomia >4 kg (n = 5, 3.2%), breech delivery (n = 6, 3.9%), fetal distress (n = 8, 5.2%), maternal diabetes (n = 2, 1.3%), clavicular fracture (n = 2, 1.3%), and forceps delivery (n = 4, 2.6%). The comparison with the recent literature suggested that most perinatal OBPP risk factors were within the normal range, although the incidence of shoulder dystocia, forceps and vaginal breech deliveries exceeded the average rates. Conclusion: Perinatal factors related to OBPP did not occur in a higher frequency in patients with Walch type B OA compared to the general population, although some of them were in the high normal range.

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Tibial spine avulsion fractures: treatment update

2019 , Maria Tuca , BERNAL BADER, NAZIRA LUCIA , Eva Luderowski , Daniel W. Green

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