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Anterior glenohumeral instability is one of the most common injuries suffered from sport. Despite padding and conditioning, the shoulder joint remains particularly vulnerable to injury, especially in the setting of contact. The overall rate of anterior instability is reported to be 0.12 injuries per 1000 athlete exposures, although this is increased up to 0.40 to 0.51 in the contact athlete. Successful treatment requires consideration of restoring stability while minimizing loss of glenohumeral motion. Common treatment strategies involve addressing the pathology that results from anterior shoulder dislocation including labral detachment as well as bony defects to the humeral head and glenoid.

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Historically considered the gold standard technique for glenohumeral instability, the open Bankart repair is being performed at decreased rates because of the current trends favoring arthroscopic Bankart repair and the lack of consistent training of the open technique. However, open Bankart repairs may be more appropriate for certain high-risk populations (ie, high-level collision athletes) because of their reduced recurrent instability rates. Further investigations are needed to identify the indications for arthroscopic versus open Bankart repair and compare their outcomes in high-level athletes. This review highlights the indications, surgical technique, and clinical outcomes following open Bankart repairs in athletes.

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The indications for bone block augmentation of the glenoid following recurrent anterior shoulder instability are expanding. Arthroscopic anatomic glenoid reconstruction (AAGR) is an evolving technique with similar clinical results to the Latarjet procedure and other open bone block procedures. Multiple types of bone grafts and fixation techniques have been described, with varying results on bony integration, resorption, articular congruity, and recurrence rates. This review focuses on biomechanics, patient workup, indications, current evidence, and the authors' preferred surgical technique for AAGR.

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Posterior shoulder instability is a distinct subcategory of shoulder instability with an incidence higher than previously reported. Pain is typically the primary complaint, with pathology due to repetitive microtrauma being more common that a specific traumatic event. If nonoperative treatment fails, arthroscopic posterior capsulolabral repair has been shown to result in excellent outcomes and return to sport, with American football players having the best outcomes and throwers being slightly less predictable. Risk factors for surgical failure include decreased glenoid bone width, rotator cuff injury, female gender, and the use of less than 3 anchors.

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Recurrent posterior shoulder instability after primary repair is uncommon, but presents a challenging clinical scenario. Most revisions in failed labral repair were associated with glenoid bone morphology related to critical bone loss, retroversion, or dysplasia. A variety of treatment options exist which include revision labral repair with or without capsular plication, glenoid osteotomy, humeral rotational osteotomy, or glenoid bone augmentation. No single technique has been shown to be superior and each technique has strengths and limitations. Therefore, thoughtful evaluation and planning is critical to address each patient's individual pathology to maximize success after revision surgery.

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OBJECTIVE: To evaluate the clinical outcomes of arthroscopic inside-out ganglionectomy of dominant dorsal wrist ganglion. METHODS: Patients with dominant wrist ganglion cyst treated in our hospital from January 1, 2014 to June 31, 2023 was enrolled in this retrospective analysis. All patients underwent dye-assist arthroscopic inside-out ganglionectomy. After discharge, the patients were followed for a minimum of 6 months. The primary outcomes were to assess patient wrist function using the Patient-Rated Wrist Evaluation (PRWE) and Mayo Modified Wrist Score (MMWS). The secondary outcomes were visual analog score (VAS), wrist active range of motion (ROM), grip strength, recurrence rate and complication. RESULTS: All ganglion were successfully resected after dye staining. Patients were followed for an average of 12.17 months. There were no significant changes between preoperative and postoperative wrist active ROM or grip strength, except for wrist flexion (which showed a slightly greater improvement after surgery, P = 0.049), there were notable improvements in VAS, MMWS, and PRWE postoperatively. Recurrence occurred in 3 patients. No major complications observed during the follow-up period. CONCLUSION: Dye-assist arthroscopic inside-out ganglionectomy is safe and uncomplicated, worth of clinical promotion.

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PURPOSE: Compared with open surgery, arthroscopic anterior talofibular ligament (ATFL) repair has many advantages and good clinical outcome. Inferior extensor retinaculum (IER) reinforcement is a supplement procedure that increase the strength of the ATFL. There is still no gold standard for arthroscopic ATFL repair. The purposes of this study were to describe a simplified technique for arthroscopic ATFL repair with IER reinforcement and to analyze its preliminary clinical results. METHODS: Twenty-seven patients with chronic lateral ankle instability (CLAI) who underwent this simplified surgery were analyzed in this retrospective study. The patients' characteristics and operative times were evaluated. Intraoperative photos, radiographs from the anterior drawer test and talar tilt test and postoperative MR images were recorded. The American Orthopaedic Foot and Ankle Society (AOFAS) ankle-hindfoot score and visual analog scale (VAS) score were also recorded. With the assistance of a needle, we performed ATFL repair and IER reinforcement with one Pushlock anchor and nonabsorbable sutures. RESULTS: No complications namely skin necrosis, superficial fibular nerve injury or wound infection, were reported. The AOFAS score and VAS score improved from 64.74 ± 9.47 and 6.00 ± 1.56 to 90.74 ± 6.46 and 1.07 ± 1.09, respectively. The talar advancement and talar tilt angle were improved after surgery. One year after the operation, the ATFL appeared to be continuous on MR images. CONCLUSION: In this study, we proposed a simple and effective arthroscopic ATFL repair with IER reinforcement technique. The short-term follow-up examination revealed satisfactory clinical outcomes. Our technique might be a new surgical option for the treatment of CLAI.

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CASE: A 15-year-old adolescent girl underwent revision surgery for a posteromedial osteochondral lesion of the talus (OLT). To provide anatomic reduction of her lesion, fluoroscopy and ankle arthroscopy facilitated a transmalleolar tunnel for screw fixation. Now, 8 years after surgery, the patient reports high patient satisfaction and pain-free functional use of her ankle. CONCLUSION: A transmalleolar tunnel technique provides an alternative method to treat posteromedial OLT. This minimally invasive procedure allows patients to be spared potential complications from a medial malleolar osteotomy or a posteromedial incision. Most importantly, this case report demonstrates a positive long-term patient outcome.

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INTRODUCTION: knee arthroscopy is a common orthopedic procedure associated with postoperative pain, so optimizing pain management is essential for patient recovery and satisfaction. Lidocaine, a local anesthetic with well-established safety profiles, offers a potential alternative to traditional analgesic methods. Research regarding lidocaine patches has been conducted in several types of surgeries (laparoscopy, gynecological surgery, prostatectomy, etc.) showing promising results for some. This study investigates the effectiveness of transdermal lidocaine 5% patches as a novel approach to postoperative analgesia after knee arthroscopy. MATERIAL AND METHODS: a randomized, single-blind, placebo-controlled trial was conducted with participants undergoing knee arthroscopy. Patients were divided into two groups: one receiving transdermal lidocaine 5% patches and the other a placebo, both along traditional postoperative pain management, and using opioid only in cases with moderate-severe pain. Pain scores, opioid consumption, and patient-reported outcomes were assessed at various postoperative intervals. RESULTS: there was a significant reduction in pain scores and opioid consumption in the lidocaine patch group compared to the placebo group. CONCLUSIONS: transdermal lidocaine 5% patches emerge as a promising adjunct to postoperative pain management in knee arthroscopy patients. Their ease of application, minimal side effects, and opioid-sparing effects contribute to a multifaceted analgesic approach. This study underscores the potential of transdermal lidocaine patches in enhancing the overall postoperative experience for knee arthroscopy patients, advocating for their consideration in clinical practice.

INTRODUCCIÓN: la artroscopía de rodilla es un procedimiento ortopédico común asociado con dolor postoperatorio, por lo que optimizar el manejo del dolor es esencial para la recuperación y la satisfacción del paciente. La lidocaína, un anestésico local con perfiles de seguridad bien establecidos, ofrece una alternativa potencial a los métodos analgésicos tradicionales. Se ha llevado a cabo investigación sobre los parches de lidocaína en diversos tipos de cirugías (laparoscopía, cirugía ginecológica, prostatectomía, etcétera), mostrando resultados prometedores en algunos casos. MATERIAL Y MÉTODOS: se realizó un ensayo clínico aleatorizado, ciego simple y controlado con placebo que incluyó participantes sometidos a artroscopía de rodilla. Los pacientes fueron divididos en dos grupos: uno recibió parches transdérmicos de lidocaína al 5% y otro un placebo, ambos junto con el manejo tradicional del dolor postoperatorio y utilizando opioides sólo en casos de dolor moderado a severo. Se evaluaron las puntuaciones de dolor, el consumo de opioides y los resultados informados por los pacientes en varios intervalos postoperatorios. RESULTADOS: se registró una reducción significativa en las puntuaciones de dolor y el consumo de opioides en el grupo de parches de lidocaína en comparación con el grupo de placebo. CONCLUSIONES: los parches transdérmicos de lidocaína al 5% emergen como un complemento prometedor para el manejo del dolor postoperatorio en pacientes sometidos a artroscopía de rodilla. Su facilidad de aplicación, mínimos efectos secundarios y efectos ahorradores de opioides contribuyen a un enfoque analgésico multifacético. Este estudio destaca el potencial de los parches de lidocaína transdérmica para mejorar la experiencia postoperatoria general de los pacientes con artroscopía de rodilla, abogando por su consideración en la práctica clínica.

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This study aimed to evaluate the differences between mini-open (MO) and arthroscopic (ART) repair procedures for rotator cuff tendon tears in terms of clinical and radiological outcomes. This retrospective study included 59 patients, and data were collected prospectively. Patients with full-thickness rotator cuff tears were randomized to undergo MO or ART repair at 2 centers by 2 surgeons between January 2012 and December 2017. Data were collected 3 weeks before surgery and 6 and 12 months after surgery. Physical function was assessed using the American Shoulder and Elbow Surgeons index, VAS, and Constant scoring system. Radiological outcomes were assessed using the Sugaya classification, adapted for ultrasound. Changes between baseline and follow-up were compared between the 2 groups. Fifty-nine patients who underwent ART or MO rotator cuff repair were included in this study. The 2 groups had similar demographic characteristics and preoperative baseline parameters. Both the MO and ART groups showed statistically significant improvement in outcome parameters (P ≤ .0001); however, cuff repair integrity was significantly better in the ART group (P = .023). All other improvements in the patient-derived parameters were equivalent. None of the patients in either group required revision surgery. According to the results of our retrospective study, MO and ART rotator cuff repair are effective and viable options for surgeons to repair rotator cuff tears. There were no differences in objective and subjective outcomes between the full ART and MO techniques for rotator cuff tears. Surgeons should choose a technique with which they are more familiar.

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BACKGROUND: Despite improved visualization, the use of arthroscopic surgery to perform the Latarjet procedure has not decreased the rates of complications and glenohumeral osteoarthritis (OA) in the long term. Many of the reported complications are related to the use of screws for bone block fixation with freehand drilling. PURPOSE: To evaluate the long-term (at a minimum 10-year follow-up) clinical and radiological outcomes of the arthroscopic Bristow-Latarjet procedure using a posterior guided drilling technique and suture button for coracoid bone graft fixation. STUDY DESIGN: Case series; Level of evidence, 4. METHODS: Consecutive patients who underwent the arthroscopic Bristow-Latarjet procedure with suture button fixation between 2011 and 2013 were reviewed by 2 independent evaluators. Complications and revision surgery were recorded, and we evaluated patient-reported outcomes including subjective scores, recurrence of shoulder instability (dislocation or subluxation), range of motion limitations, and return to sports. Patients had radiographs taken at least 10 years after surgery to assess glenohumeral OA according to the Samilson-Prieto classification system and computed tomography scans to assess bone block positioning and healing. RESULTS: A total of 65 consecutive patients (68 shoulders) with a mean follow-up of 135 months (range, 120-156 months) were included. The mean age at the time of surgery was 25 ± 8 years; 7 patients had previous failed Bankart repair. At follow-up, 94% (64/68) of the shoulders had no recurrence of instability. The 4 cases of instability recurrence were traumatic and occurred at 3 weeks (a fall), 4 months, 2 years, and 7 years after surgery. No hardware failures, coracoid fractures, or neurological complications were observed. Overall, 61 patients (94%) were still participating in sports, with 44 (68%) at the same or higher level. Range of motion showed nonsignificant restrictions in external rotation with the arm at the side (7° ± 9°) and with the arm at 90° of abduction (9° ± 10°) compared with the contralateral side. Additionally, 11 shoulders (16%) had some residual anterior apprehension on clinical examination. At last follow-up, 77% (47/61) of the shoulders had no OA development or progression. Previous failed Bankart repair was a risk factor for the development of OA. Patients with OA had significantly lower Subjective Shoulder Value scores (79% vs 91%, respectively; P = .01) and decreased external rotation with the arm at the side (40° vs 65°, respectively; P = .001) compared with patients with no or little OA. CONCLUSION: The arthroscopically guided Bristow-Latarjet procedure with suture button fixation is a safe and durable surgical treatment method for recurrent anterior shoulder instability, allowing a high rate of return to sports without significant motion restrictions and no or little OA in the long term.

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BACKGROUND: Discoid lateral meniscus (DLM) is the most common congenital abnormality of the meniscus. Tears are common; treatment is frequently not definitive, often requiring reoperation. PURPOSE: To report the clinical manifestations, physical characteristics, operative treatments and findings, complications, and reoperations of DLM in pediatric patients from multiple centers across North America. STUDY DESIGN: Case series; Level of evidence, 4. METHODS: Consecutive patients who underwent treatment for symptomatic DLM at 9 institutions between 2000 and 2020 were included. Patient data, presenting symptoms and signs, surgical findings, treatments rendered, and postoperative complications, including reoperation rates, were collected. Means with ranges and counts with proportions are reported for continuous and categorical variables, respectively, and comparisons were made using either the chi-square or Fisher exact test. RESULTS: In total, 784 patients (867 knees) were included with a mean age at diagnosis of 12 years (range, 1-22 years) and a mean follow-up of 22.6 months (range, 0-154 months). Common preoperative symptoms were locking (33%) and snapping (30%). At surgery, tears in the DLM were present in 647 knees (594 patients [76%]); 95 knees (11%) had multiple tears; and in 140 knees, tears extended into >1 zone. Tears, when present, were more common within the posterior horn (41%) or body (34%) than the anterior horn (25%). Peripheral rim instability was reported in 241 knees (28%). Significantly more knees had instability posteriorly (15%; P = .0004) and anteriorly (9%; P = .0013) than along the body (3%). Tear type was most commonly complex (38%) or horizontal (34%). A total of 358 knees in 333 patients with tears (42% of all patients) underwent repair (55% of knees with tears). A total of 175 complications were reported, occurring in 139 knees in 134 patients (17%); 116 of these knees with complications (83%) had a single complication, while 23 (17%) had >1. Of the 784 patients, 105 (13%) underwent reoperation, undergoing 135 additional procedures related to their DLM. Of those, 60 (44%) were repeat arthroscopy and meniscal trim; 40 (30%), arthroscopy and meniscal repair; and 17 (13%), an articular cartilage procedure. CONCLUSION: Locking and snapping were common presenting symptoms. Over three-quarters of patients had meniscal tears, which were most often complex and located posteriorly. Seventeen percent of patients experienced complications, and a sixth of patients with complications had >1. Reoperation was typically for persistent symptoms or meniscal retear.

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The purpose of this study was to analyze the relationship between the intra-articular inflammatory response and any associated systemic inflammatory response following knee injury requiring operative management. Patients undergoing primary knee arthroscopy provided synovial fluid, blood, and urine samples immediately prior to surgery. Samples were analyzed using a multiplex magnetic bead immunoassay for the concentrations of cytokines and growth factors that have been shown to be associated with post-injury inflammation. One hundred and fifty-one patients undergoing arthroscopic management of meniscus, ACL, and focal chondral lesions were included in the analysis. After correction for multiple tests, there were no statistically significant correlations between synovial fluid biomarkers and biomarkers in plasma or urine for any of the intra-articular pathologies assessed. This analysis suggests that the most accurate measurement of the post-injury inflammatory response must be sampled from the intra-articular space. In the post-traumatic knee, there is no substitute for synovial fluid biomarker analysis.

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Ganglion cysts (GC) are an uncommon complication following arthroscopic knee surgery. Due to high rates of recurrence following GC resection, many symptomatic patients can experience pain and discomfort for years. The presence of a GC at the site of an arthroscopic knee portal has only been reported once before in the literature. This case report details the history, physical and treatment of an active-duty soldier who had undergone various aspirations and surgical resections with limited improvement until the most recent operative intervention. At 18 months postoperatively, the patient had not experienced recurrence and had returned to all activities. We believe this surgical technique yielded resolution of the GC because following resection, the joint was checked to exclude areas of fluid extravasation, the capsule closure was performed with non-absorbable barbed suture and the operative extremity was immobilised in extension for 2 weeks to promote soft tissue rest and healing.

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BACKGROUND: Studies comparing the effectiveness of arthroscopic knee surgery and conservative treatment on knee osteoarthritis (OA) came up with inconsistent results. Systematic review on this topic still is still lacking. This systematic review and meta-analysis aimed to evaluate the effectiveness of arthroscopic knee surgery on knee OA, compared to conservative treatments. MATERIALS AND METHODS: Literature searches were performed in PubMed, Embase, and Cochrane Library databases for randomized controlled trials (RCTs) published before on 1st July 2024. Studies comparing the effectiveness of arthroscopy and conservative treatments only on knee OA were included. Quality of included studies was evaluated by risk of bias 2 (ROB2). Long-term results in terms of pain relief, functional recovery and patients reported satisfaction were meta-analyzed to evaluate the therapeutic effectiveness. RESULTS: Ten studies were included in this review, among which only 1 was considered as low risk of bias. Five studies were involved in meta-analyses and no difference was found in therapeutic effectiveness of arthroscopic surgery and conservative treatment on knee OA, in the evaluation of VAS (p = 0.63), WOMAC (p = 0.38), SF-36 (p = 0.74) and patient satisfaction (p = 0.07). CONCLUSION: The evidence does not support the effectiveness of arthroscopic knee surgery compared to conservative treatments in knee OA.

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BACKGROUND: The aim of this study is to investigate the potential relationship between shoulder anatomical parameters and the shape of rotator cuff tears (L-shaped, U-shaped, and crescent-shaped). MATERIALS AND METHODS: The study included 160 (n:160) patients. Patients were divided into four groups: crescent type, u type and L type tears and control group. There were 40 cases in each group. The operated patients were divided into three groups based on the shape of the tears in arthroscopic images. Measurements of Critical Shoulder Angle (CSA), Greater Tuberosity Angle (GTA), Acromion Index (AI), Lateral Acromion Angle (LAA), and Humerus Footprint width (coronal width and sagittal width) were taken in each group and compared. RESULTS: Patients were divided into four different groups: Crescent type group (n:40), L type group (n:40), U type group (n:40) and control group (n:40). Upon assessing the coronal and sagittal width measurements, The mean coranal width measurement of the L-type tear group was 12.62 ± 0.29 mm, which was significantly higher than all other groups (p < 0.05). The mean sagittal width of the L-type tear group was 34.95 ± 0.29 mm, which was significantly higher than all other groups (p < 0.05). When the groups were evaluated based on GTA, CSA, and AI data, the mean GTA measurement of the L-type tear group was 73.03 ± 0.95 degrees, which was significantly higher than all other groups (p < 0.05). The mean CSA measurement of the L-type tear group was 34.77 ± 0.66 degrees, which was significantly higher than all other groups (p < 0.05). The mean AI measurement of the L-type tear group was 0.77 ± 0.02, which was significantly higher than all other groups (p < 0.05). When the groups were evaluated based on LAA data, the mean LAA measurement of the L-type tear group was 76.98 ± 1.04 degrees, which was significantly lower than all other groups (p < 0.05). CONCLUSION: In our study, especially in L-shaped tears, measurements of GTA, CSA, AI, LAA, coronal and sagittal width were found to be different compared to the control group. These results suggest that shoulder anatomy affects the mechanisms of rotator cuff tear formation and that these parameters play a more significant role in L-shaped tears.

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BACKGROUND: We report a rare case of posterior cruciate ligament (PCL) calcification, which has only been reported in two case studies on PubMed. CASE PRESENTATION: A 71-year-old man developed left popliteal pain in the morning without any history of trauma and the pain became severe that night. On the following day, he presented to our department. The patient could not flex his left knee at all due to pain and swelling. CT and MRI scans showed calcification behind the PCL with mild osteoarthritic changes and accumulation of synovial fluid in the joint. Synovial fluid analysis did not reveal any crystals. Blood tests at first admission showed inflammation, hyperglycemia, and low blood uric acid levels. Although the patient's knee joint was injected with steroids, his symptoms did not improve. Thus, we performed arthroscopic surgery two days after symptoms had appeared. Intraoperatively, we observed a white, soft tissue in the synovial membrane behind the PCL. Part of this tissue was collected for histological analysis, which revealed sparse fibers with calcium deposits. Immediately after surgery, the patient's symptoms were completely gone. Afterward, the patient remained asymptomatic one month after surgery. CONCLUSION: This is the first reported case of debridement of PCL calcification and ossification that was performed soon after symptoms appeared. In addition, we demonstrated that early debridement led to complete recovery.

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Advanced tools for the in situ treatment of articular cartilage lesions are attracting a growing interest in both surgery and bioengineering communities. The interest is particularly high concerning the delivery of cell-laden hydrogels. The tools currently available in the state-of-the-art hardly find an effective compromise between treatment accuracy and invasiveness. This paper presents a novel arthroscopic device provided with a bendable tip for the controlled extrusion of cell-laden hydrogels. The device consists of a handheld extruder and a supply unit that allows the extrusion of hydrogels. The extruder is equipped with a disposable, bendable nitinol tip (diameter: 4 mm, length: 92 mm, maximum bending angle: 90°) that guarantees access to hard-to-reach areas of the joint, which are difficult to get to, with conventional arthroscopic instruments. The tip accommodates a biocompatible polymer tube that is directly connected to the cartridge containing the hydrogel, whose plunger is actuated by a volumetric or pneumatic supply unit (both tested, in this study). Three different chondrocyte-laden hydrogels (RGD-modified Vitrogel®, methacrylated gellan gum, and an alginate-gelatine blend) were considered. First, the performance of the device in terms of resolution in hydrogel delivery was assessed, finding values in the range between 4 and 102 µL, with better performance found for the pneumatic supply unit and no significant differences between straight tip and bent tip conditions. Finite element simulations suggested that the shear stresses and pressure levels generated during the extrusion process were compatible with a safe deposition of the hydrogels. Biological analyses confirmed a high chondrocyte viability over a 7-day period after the extrusion of the three cell-laden hydrogel types, with no differences between the two supply units. The arthroscopic device was finally tested ex vivo by nine orthopedic surgeons on human cadaver knees. The device allowed surgeons to easily deliver hydrogels even in hard-to-reach cartilage areas. The outcomes of a questionnaire completed by the surgeons demonstrated a high usability of the device, with an overall preference for the pneumatic supply unit. Our findings provide evidence supporting the future arthroscopic device translation in pre-clinical and clinical scenarios, dealing with osteoarticular treatments.

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BACKGROUND: Triangular fibrocartilage complex (TFCC) injuries, especially Palmer type IB, pose surgical management challenges due to associated distal radial ulnar joint (DRUJ) instability. Traditional surgeries entail risks of complications. Arthroscopic repair presents advantages but lacks consensus on optimal techniques. To evaluate arthroscopic dual-bone tunnel repair in patients with Palmer type IB TFCC injuries of the wrist. METHODS: In this retrospective case series, grip strength ratio, joint range of motion, pain visual analogue scale (VAS), modified Mayo wrist score, and Disabilities of the Arm, Shoulder, and Hand (DASH) scores were assessed before and 12 months after surgery. RESULTS: The cohort consisted of 45 patients. At 12 months, the grip strength ratio improved from 0.71 ± 0.08 to 0.93 ± 0.05 (P < 0.001), and wrist joint rotation increased from 126.78 ± 13.28° to 145.76 ± 8.52° (P < 0.001). VAS (1.60 ± 0.58 vs. 6.33 ± 0.91, P < 0.001), DASH (12.96 ± 3.18 vs. 46.87 ± 6.62, P < 0.001), and modified Mayo wrist (88.11 ± 4.43 vs. 63.78 ± 7.99, P < 0.001) scores all improved after surgery. The overall complication rate was 4.44%. CONCLUSION: Arthroscopic dual-bone tunnel repair appears to be an effective intervention for alleviating wrist pain, restoring stability, and enhancing joint function in patients with TFCC Palmer type IB injuries.

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