Universidad del Desarrollo

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Posterolateral corner knee injuries: a narrative review
(2021)
FIGUEROA BERRIOS, FRANCISCO JAVIER
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FIGUEROA POBLETE, DAVID HUMBERTO
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Sven Putnis
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Rodrigo Guiloff
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Patricio Caro
<jats:p>Limited knowledge of the anatomy and biomechanics of the posterolateral corner (PLC) of the knee, coupled with poor patient outcomes with non-operative management, resulted in the PLC often being labelled as the ‘dark side’ of the knee. In the last two decades, extensive research has resulted in a better understanding of the anatomy and function of the PLC, and has led to the development of anatomic reconstructions that have resulted in improved patient outcomes. Despite considerable attention in the clinical orthopaedic literature (nearly 400 articles published in the last decade), a standardized algorithm for the diagnosis and treatment of the PLC is still lacking, and much controversy remains. Considering the literature review, there is not a reconstruction technique that clearly prevails over the others. As anatomic, biomechanical, and clinical knowledge of PLC injuries continues to progress, finding the balance between re-creating native anatomy and safely performing PLC reconstruction provides a big challenge. Treatment decisions should be made on a case-by-case basis.</jats:p><jats:p>Cite this article: EFORT Open Rev 2021;6:676-685. DOI: 10.1302/2058-5241.6.200096</jats:p>
16Scopus© Citations 23
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Treatment of Meniscal Deficiency with Meniscal Allograft Transplantation and Femoral Osteotomy in a Patient with History of Lateral Discoid Meniscus
(2020)
Stefano Zaffagnini
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Maximiliano Espinosa
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Maria Pia Neri
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Maurilio Marcacci
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Alberto Grassi
20Scopus© Citations 7
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Meniscus allograft transplantation: indications, techniques and outcomes
(2019)
FIGUEROA BERRIOS, FRANCISCO JAVIER
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FIGUEROA POBLETE, DAVID HUMBERTO
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CALVO RODRIGUEZ, RAFAEL
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Alex Vaisman
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João Espregueira-Mendes
<jats:p> New indications for meniscal allograft transplantation (MAT) are being added, but the general expert opinion is that it is still a procedure reserved for symptomatic meniscal loss. Lateral MAT has better clinical outcomes and less failure risk compared to medial MAT. Ideal conditions (low-grade chondral lesions) make MAT a more survivable and successful procedure. Meniscal extrusion after MAT is common and does not seem to alter results. Midterm survivorship of a MAT is reported to be 85–90%, while long-term survivorship decreases to 50–70% depending on chondral status and concomitant procedures. Even if the procedure is a success, there are high possibilities of not being able to resume sports activities. </jats:p><jats:p> Cite this article: EFORT Open Rev 2019;4:115-120. DOI: 10.1302/2058-5241.4.180052 </jats:p>
2Scopus© Citations 55
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Schenck’s knee dislocation (KD) I injury: An uncommon pattern
(2021)
FIGUEROA BERRIOS, FRANCISCO JAVIER
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Alfredo Sandoval
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FIGUEROA POBLETE, DAVID HUMBERTO
12Scopus© Citations 3
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Meniscal transplant in children
(2016)
Maria Tuca
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Eva Luderowski
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Scott Rodeo
Scopus© Citations 14 1
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Reconstruction of the medial patellofemoral ligament: Evaluation of the clinical results of autografts versus allografts [Reconstrucción del ligamento patelofemoral medial. Evaluación de los resultados clínicos del autoinjerto frente al aloinjerto]
(2015)
CALVO RODRIGUEZ, RAFAEL
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D. Figueroa Poblete
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Z. Anastasiadis Le Roy
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F. Etchegaray Bascur
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A. Vaisman Burucker
3Scopus© Citations 17
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Assessment of Cell Viability of Fresh Osteochondral Allografts in N-Acetylcysteine-Enriched Medium
(2020)
CALVO RODRIGUEZ, RAFAEL
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Maximiliano Espinosa
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David Figueroa
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Luz María Pozo
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CONGET MOLINA, PAULETTE ANDREA
<jats:sec><jats:title>Objective</jats:title><jats:p> The purpose of this study was to evaluate the effect of N-acetylcysteine (NAC)-enriched storage medium on fresh osteochondral viability at 4°C. Our hypothesis was that the cell viability of chondrocytes obtained from human osteochondral tissue and stored at 4°C significantly improves in the presence of NAC. </jats:p></jats:sec><jats:sec><jats:title>Design</jats:title><jats:p> Controlled laboratory study. For this study, 8 samples of femoral condyle osteochondral tissue were obtained from patients undergoing total knee replacement. The samples were stored at either 4°C in phosphate-buffered saline (PBS) or at 3 different concentrations of NAC (NAC 1, 2, and 5 mM). Cell viability was analyzed at time 0 and 4 weeks by flow cytometry. The results of cell viability (median) were analyzed statistically using analysis of variance and Tukey’s post hoc test. P values <0.05 were considered statistically significant. </jats:p></jats:sec><jats:sec><jats:title>Results</jats:title><jats:p> The viability at time 0 was 95.5% ± 3.7%. At 4 weeks, the cell viability was 56.8% ± 20.1% in the control group (PBS), 83.8% ± 11.9% in the group stored with NAC 1 mM, 73.4% ± 13.6% in the group stored with NAC 2 mM, and 66.4% ± 27.7% in the group stored with NAC 5 mM. A statistically significant difference from the baseline viability (time 0) was observed in the PBS control group ( P = 0.0018) but not in the other groups. A statistically significant difference was observed in the NAC 1 mM group compared with the PBS group ( P = 0.0255). </jats:p></jats:sec><jats:sec><jats:title>Conclusion</jats:title><jats:p> The use of NAC at 1 mM concentration improves cell viability after 4 weeks of storage in chondrocytes obtained from human osteochondral tissue. </jats:p></jats:sec>
1 1Scopus© Citations 11
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No association between positive intraoperative allograft cultures and infection rates after reconstructive knee ligament surgery
(2018)
Andres Schmidt-Hebbel
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Carlos M. Gomez
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Carolina Aviles
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Elmar Herbst
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Maximiliano Scheu
4Scopus© Citations 4
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Biomechanical and geometric characterization of peroneus longus allografts with respect to age
(2019)
Andrew K. Wong
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CALVO RODRIGUEZ, RAFAEL
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Benjamin C. Schaffler
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Ryan A. Nixon
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Leanza C. Carrero
Scopus© Citations 6 26

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