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A select 10-30% of patients with recurrent lateral ankle sprains develop chronic ankle instability (CAI). Patients with chronic ankle instability describe a history of the ankle "giving way" with or without pathological laxity on examination. Evaluation includes history, identification of predisposing risk factors for recurrent sprains, and the combination of clinical tests (eg, laxity tests) with imaging to establish the diagnosis. There are a variety of nonoperative strategies to address chronic ankle instability, which include rehabilitation and taping or bracing to prevent future sprains. Patients who fail conservative treatment are candidates for surgery. The anatomic approaches (eg, modified Broström) are preferred to nonanatomic procedures since they recreate the ankle's biomechanics and natural course of the attenuated ligaments. There is a growing interest in minimally invasive procedures via ankle arthroscopy that also address the associated intra-articular disorders. This article provides a review of chronic lateral ankle instability consisting of relevant anatomy, associated disorders, evaluation, treatment methods, and complications.Level of evidenceLevel V, expert opinion.

Paediatric trigger finger is rare compared to adult trigger finger or paediatric trigger thumb, and the aetiology is unclear. Proposed causes include local trauma, anatomical anomalies and systemic conditions. The aim of the present study was to detail the anatomical causes of surgically treated paediatric trigger fingers and provide an operative algorithm based on the anatomical findings. A total of 76 trigger fingers in 38 patients were identified retrospectively at our institution between 1975 and 2022. In total, 41 fingers in 26 patients had anatomical variations. A nodular thickening on the tendon, similar to Notta's nodule in trigger thumbs, was the most common anatomical cause. Abnormal decussation of the flexor digitorum superficialis tendon was the second most common variation. The recurrence rate was significantly lower after resection of one slip of the flexor digitorum superficialis tendon compared to other surgical techniques in these patients. We recommend that surgeons assess for possible anatomical variation during surgery for the trigger finger. Level of evidence: IV [ABSTRACT FROM AUTHOR]

Background: The opioid epidemic has driven renewed interest in local anesthesia to reduce postoperative opioid use. Our objective was to determine if local anesthesia decreased hospital pain scores, oral morphine equivalents (OME), length of stay (LOS), and nausea/vomiting. Methods: Single institution retrospective study of females who underwent mastectomy without reconstruction. Results: Overall, 712 patients were included; 63 (8.8%) received bupivacaine (B), 512 (72%) liposomal bupivacaine (LB), and 137 (19%) no local. 95% were discharged on POD1. Liposomal bupivacaine use increased from 2014 to 2019. Additional factors associated with use of local regimen were surgeon and extent of axillary surgery. Fewer patients used postop opioids during their hospital stay if any local was used compared to none (76 vs 88%; 0.003). Compared to none, local had shorter mean PACU LOS (95 vs 87 min; P =.02), lower mean intraoperative-OME (96 vs 106; P <.001), and lower mean postoperative OME/hr (1.4 vs 1.8 P =.001). Multivariable analysis (MVA) showed lower OME/hr with LB compared to B and none (P =.002); this translates to 22 mg and 30 mg of oxycodone in a 24-hr period, respectively. MVA showed lower POD1 pain scores with LB relative to none (P =.049). Local did not impact nausea/emesis. Conclusion: Local anesthesia was superior to no local in several measures. However, a consistent benefit of a specific local anesthetic agent was not demonstrated (LB vs B). A prospective study is warranted to determine the optimal local regimen for this cohort and further inform clinical relevance. [ABSTRACT FROM AUTHOR]

Purpose: Adhesion formation is the major complication after tendon repairs that halts functional restoration and causes disability in patients. This study aimed to compare the antiadhesion efficacy of two tendon protector sheets using a previously established turkey flexor tendon model., Methods: Twenty-four adult Bourbon Red turkeys were randomized into three groups: (1) control, (2) type I collagen-glycosaminoglycan (Collagen-GAG), and (3) hyaluronic acid. In each group, the flexor digitorum profundus tendon of the middle digit was sharply lacerated at the proximal interphalangeal joint level. All operated feet were immobilized until sacrifice 6 weeks after the surgery. After sacrifice, the repaired and normal digits were collected for biomechanical testing, adhesion scores, histological examination, and adhesion-related gene expression analysis., Results: At 42 days after tendon repair, the normalized work of flexion of the repaired digit was the lowest in the Collagen-GAG group. The Collagen-GAG group also had the lowest gross adhesion score, indicating minimal adhesion. The hyaluronic acid group showed lower adhesion scores compared with the control, but the difference was not statistically significant. Microscopically, the Collagen-GAG group had a significantly lower histological adhesion score than the control group. In the Collagen-GAG group, the gene expression levels of WNT3A, WNT5A, and WNT7A were suppressed., Conclusions: In an avian model of flexor tendon repair, the application of tendon protector sheets reduces peritendinous fibrotic tissue formation histologically., Clinical Relevance: There are currently limited commercially available products to reduce postoperative peritendinous adhesions. Further validation is needed to confirm the effectiveness of tendon protector sheets in improving surgical outcomes following tendon repairs., Competing Interests: Conflicts of Interest Versawrap used in this study was provided by the company Alafair Biosciences. No benefits in any other form have been received or will be received related directly to this article., (Copyright © 2024 American Society for Surgery of the Hand. Published by Elsevier Inc. All rights reserved.)

Paediatric trigger finger is rare compared to adult trigger finger or paediatric trigger thumb, and the aetiology is unclear. Proposed causes include local trauma, anatomical anomalies and systemic conditions. The aim of the present study was to detail the anatomical causes of surgically treated paediatric trigger fingers and provide an operative algorithm based on the anatomical findings. A total of 76 trigger fingers in 38 patients were identified retrospectively at our institution between 1975 and 2022. In total, 41 fingers in 26 patients had anatomical variations. A nodular thickening on the tendon, similar to Notta's nodule in trigger thumbs, was the most common anatomical cause. Abnormal decussation of the flexor digitorum superficialis tendon was the second most common variation. The recurrence rate was significantly lower after resection of one slip of the flexor digitorum superficialis tendon compared to other surgical techniques in these patients. We recommend that surgeons assess for possible anatomical variation during surgery for the trigger finger. Level of evidence: IV., Competing Interests: Declaration of conflicting interestsThe authors declare no potential conflicts of interest with respect to the research, authorship, and/or publication of this article.

Purpose: To assess the effect of radial longitudinal deficiency on the function of pollicized digits as determined by the Thumb Grasp and Pinch (T-GAP) assessment., Methods: We retrospectively evaluated 25 hands with thumb hypoplasia that underwent index finger pollicization. Patients were followed for an average of 10.4 years. Hands were divided by severity into two groups: no or mild radial longitudinal deficiency (RLD) (Group 1 = 16) and moderate to severe RLD (Group 2 = 9). We collected demographic information and completed physical examination measures, including hand strength, elbow, wrist, and hand range of motion, the Kapandji opposition score, active grasp span, and T-GAP total score., Results: Patients with moderate to severe forms of RLD had stiffer long fingers, lower Kapandji opposition scores, and limited active and passive range of motion for elbow flexion, wrist ulnar deviation, and pollicized thumb interphalangeal flexion. They had shorter forearms, decreased active grasp span, and fewer thumb creases at the interphalangeal thumb joint. In addition, the T-GAP total score was significantly lower when comparing the two groups. Children with mild dysplasia were able to achieve 32% of age-matched normal grasp strength. Patients with more severe radial dysplasia averaged 17% less grasp strength compared with children with mild dysplasia. Patients with moderate to severe RLD also had lower T-GAP total scores and strength measurements if they had limited wrist ulnar deviation., Conclusions: Individuals with moderate to severe RLD have unique anatomical factors that affect outcomes after pollicization. These individuals use their thumbs for fewer activities, have weaker grasp, and retain more primitive grasp patterns compared with those who have milder forms of RLD., Type of Study/level of Evidence: Prognostic IV., Competing Interests: Conflicts of Interest No benefits in any form have been received or will be received related directly to this article., (Copyright © 2024 American Society for Surgery of the Hand. Published by Elsevier Inc. All rights reserved.)