Browsing by Author "González, Waldo"
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Publication Selective bundle reconstruction for partial anterior cruciate ligament tears: High return to sport, excellent long‐term stability and function at 6‐year follow‐up(2025) Sastre, Sergi; Vasquez, Diego; González, Waldo; Balaguer, Mariano; Popescu, DragosPurpose: Partial anterior cruciate ligament (ACL) tears account for 10%-27% of all ACL injuries. As an alternative to the well-established option of complete reconstruction, selective bundle augmentation has recently been introduced into the repertoire of reconstruction techniques, aiming to preserve remnant tissue and provide superior biological and functional outcomes. The objective of our study is to assess long-term clinical results, complication rates and return to sport after arthroscopic selective bundle reconstruction in patients with partial ACL tears. Methods: A retrospective cohort study was conducted. Patients with symptomatic partial ACL tears undergoing arthroscopic selective bundle reconstruction were included. Clinical stability and functional outcomes were assessed using anterior drawer, Lachman, pivot shift, Lysholm, Tegner scales, and a patient satisfaction score based on the Musculoskeletal Outcomes Data Evaluation and Management System scale. Statistical analyses were performed as described. Results: There was a statistically significant improvement in all stability tests after surgery (p < 0.001). The mean Lysholm score increased from 72.3 to 95.3, and the Tegner activity level from 2.05 to 4.86 (both p < 0.001). A high rate of return to sport was achieved with a low complication and re-injury rate at long-term follow-up. Conclusions: Arthroscopic selective bundle reconstruction is a safe and effective treatment for partial ACL tears, providing excellent long-term stability, functional recovery and patient satisfaction, with low complication and re-injury rates. These findings support remnant-preserving techniques in selected patients, though further prospective comparative studies are warranted. Level of evidence: Level III.Publication Surgical Technique of Medial Collateral Ligament Repair of the Knee with Bioinductive Membrane Augmentation(2026) Figueroa, David; González, Waldo; Arteaga, José; Godoy, DiegoIntroduction: The medial collateral ligament (MCL), a primary stabilizer against valgus forces, often requires surgical intervention in severe injuries, especially when associated with anterior cruciate ligament (ACL) tears. However, MCL repair or reconstruction is typically reserved for patients who continue to experience persistent valgus instability after nonoperative management has failed. The use of synthetic and biological implants is increasingly popular to augment these procedures, providing both biomechanical reinforcement and promoting natural healing. BioBrace, a biocomposite of collagen and bioabsorbable microfilaments, provides structural support and enhances tissue healing. This article explores the surgical treatment of high-grade medial collateral ligament (MCL) injuries of the knee using BioBrace augmentation through a case series. Methods: Cohort of patients who underwent MCL repair surgery with a bioinductive membrane augmentation (BioBrace) between December 2023 and February 2024. This article presents surgical techniques, indications, and clinical outcomes from a case series, highlighting the benefits of BioBrace augmentation in improving stability and functional recovery. Results: A total of 4 patients underwent MCL repair surgery with BioBrace. Results show that patients experienced reduced instability, faster rehabilitation, and favorable outcomes without significant postoperative complications. Conclusion: This method offers a promising alternative for patients with complex knee injuries, especially athletes, by facilitating early rehabilitation and improving joint stability. Further research is recommended to evaluate long-term efficacy and optimize the surgical approach.