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Bone & Joint Research Jul 2024Achilles tendon re-rupture (ATRR) poses a significant risk of postoperative complication, even after a successful initial surgical repair. This study aimed to identify...
AIMS
Achilles tendon re-rupture (ATRR) poses a significant risk of postoperative complication, even after a successful initial surgical repair. This study aimed to identify risk factors associated with Achilles tendon re-rupture following operative fixation.
METHODS
This retrospective cohort study analyzed a total of 43,287 patients from national health claims data spanning 2008 to 2018, focusing on patients who underwent surgical treatment for primary Achilles tendon rupture. Short-term ATRR was defined as cases that required revision surgery occurring between six weeks and one year after the initial surgical repair, while omitting cases with simultaneous infection or skin necrosis. Variables such as age, sex, the presence of Achilles tendinopathy, and comorbidities were systematically collected for the analysis. We employed multivariate stepwise logistic regression to identify potential risk factors associated with short-term ATRR.
RESULTS
From 2009 to 2018, the short-term re-rupture rate for Achilles tendon surgeries was 2.14%. Risk factors included male sex, younger age, and the presence of Achilles tendinopathy.
CONCLUSION
This large-scale, big-data study reaffirmed known risk factors for short-term Achilles tendon re-rupture, specifically identifying male sex and younger age. Moreover, this study discovered that a prior history of Achilles tendinopathy emerges as an independent risk factor for re-rupture, even following initial operative fixation.
PubMed: 38945531
DOI: 10.1302/2046-3758.137.BJR-2023-0258.R1 -
Journal of ISAKOS : Joint Disorders &... Jun 2024
PubMed: 38945398
DOI: 10.1016/j.jisako.2024.06.011 -
Journal of ISAKOS : Joint Disorders &... Jun 2024Patients with excessive posterior tibial slope (PTS) may have higher risks of anterior cruciate ligament (ACL) reconstruction (ACL-R) failure, and clinical outcomes... (Review)
Review
IMPORTANCE
Patients with excessive posterior tibial slope (PTS) may have higher risks of anterior cruciate ligament (ACL) reconstruction (ACL-R) failure, and clinical outcomes after revision ACL-R procedures are typically poor.
OBJECTIVE
To perform a systematic review of the literature summarizing the clinical and radiological outcomes of the surgical treatment of ACL insufficiency in the setting of excessive PTS using a tibial deflexion osteotomy combined with ACL-R.
EVIDENCE REVIEW
A systematic review of the literature was performed using PubMed, Cochrane Library, and OVID Medline databases from 1990 to present. Inclusion criteria were: studies of outcomes of isolated tibial deflexion osteotomies performed with primary or revision ACL-R in the English language. Data extracted included study demographic information, type of tibial deflexion osteotomy and concomitant procedures, radiological outcomes, patient reported outcome scores, and postoperative complications FINDINGS: Six studies, with 133 knees were identified. All included studies were retrospective case series, with a weighted mean follow-up of 3.39 years. In 106 of 133 (79.7%) knees, tibial deflexion osteotomy was performed concomitantly with an ACL-R, whereas in 27 of 133 (20.3%) knees the procedures were staged. 22, 45, and 66 of 133 knees (16.5%, 33.8%, and 49.6%) underwent primary, 1 revision, and 2 or greater revision ACL-R, respectively. 3 of 133 (2.25%) knees demonstrated recurrent ACL graft failure at final follow-up. On average, PTS decreased from 15.2 degrees preoperatively to 7.1 degrees postoperatively. Mean International Knee Documentation Committee (IKDC), Lysholm, and Tegner scores increased from 42.5, 46.4, and 4.2 preoperatively to 71.8, 89.0, and 6.7 postoperatively.
CONCLUSIONS
The results of this review suggest that combined ACL-R and tibial deflexion osteotomy may be effective in decreasing PTS and improving knee function and stability.
STUDY DESIGN
Systematic Review; Level of evidence 4.
PubMed: 38945397
DOI: 10.1016/j.jisako.2024.06.010 -
Osteoarthritis and Cartilage Jun 2024Although, during the past decades, substantial advances emerged in identifying major local and systemic factors contributing to initiation and progression of... (Review)
Review
Although, during the past decades, substantial advances emerged in identifying major local and systemic factors contributing to initiation and progression of osteoarthritis (OA), some neuroendocrine mechanisms are still not understood or even neglected when thinking about novel therapeutic options. One of which is the sympathetic nervous system that exhibits various OA-promoting effects in different tissues of the joint. Interestingly, the β2-adrenoceptor (AR) mediates the majority of these effects as demonstrated by several in vitro, in vivo as well as in clinical studies. This review article does not only summarize studies of the past two decades demonstrating that the β2-AR plays an OA-promoting role in different tissues of the joint but also aims to encourage the reader to think about next-level research to discover novel and innovative preventive and/or therapeutic strategies targeting the β2-AR in OA.
PubMed: 38945292
DOI: 10.1016/j.joca.2024.06.012 -
Injury Jun 2024Racial and ethnic disparities in orthopaedic surgery are well documented. However, the extent to which these persist in fracture care is unknown. This study sought to...
INTRODUCTION
Racial and ethnic disparities in orthopaedic surgery are well documented. However, the extent to which these persist in fracture care is unknown. This study sought to assess racial disparities in the postoperative surgical and medical management of patients after diaphyseal tibia fracture fixation.
METHODS
Patients with surgically treated tibial shaft fractures from October 1, 2015, to December 31, 2020, were identified in the MarketScan® Medicaid Database. Exclusion criteria included concurrent fractures or amputation. Outcomes included 2-year postoperative complications, reoperation rates, and filled prescriptions. Surgically-treated Black and White cohorts were propensity-score matched using nearest-neighbor matching on patient demographics, comorbidities, fracture pattern and severity, and fixation type. Chi-square tests and survival analyses (Kaplan-Meier and Cox proportional hazard models) were conducted.
RESULTS
5,472 patients were included, 2,209 Black and 3,263 White patients. After matching, 2,209 were retained in each cohort. No significant differences in complication rates were observed in the matched Black vs White cohorts. Rates of reoperation, however, were significantly lower in Black as compared to White patients (28.5 % vs. 35.5 % rate, risk difference = 7.0 % (95 % confidence interval (CI): 4.2 % to 9.7 %)). Implant removal was also significantly lower in Black (17.9 %) vs. White (25.1 %) patients (Risk difference = 7.2 %, (95 %CI: 4.8 % to 9.6 %)). The adjusted hazard ratio comparing the reoperation rate in Black versus White patients was 0.77 (95 %CI: 0.69-0.82, p < 0.0001). Significantly lower proportions of Black vs White patients filled at least one prescription for benzodiazepine, antidepressants, strong opiates, or antibiotics at every time point post-index.
DISCUSSION
Fewer resources were used in post-operative management after surgical treatment of tibial shaft fractures for Black versus White Medicaid-insured patients. These results may be reflective of the undertreatment of complications after tibia fracture surgery for Black patients and highlight the need for further interventions to address racial disparities in trauma care.
PubMed: 38945078
DOI: 10.1016/j.injury.2024.111696 -
International Journal of Surgery Case... Jun 2024Myeloid sarcoma (MS) is a rare extramedullary tumor composed of malignant myeloid cells that most commonly arise in patients previously diagnosed with myeloproliferative...
INTRODUCTION
Myeloid sarcoma (MS) is a rare extramedullary tumor composed of malignant myeloid cells that most commonly arise in patients previously diagnosed with myeloproliferative disease. However, they can still occur in isolation and without bone marrow disease.
CASE PRESENTATION
An 8-year-old girl who had a history of acute myeloid leukemia and was off treatment for four years presented to the clinic with a history of on and off left knee swelling and pain without any direct trauma to the knee over the last two years. Knee Magnetic resonance imaging (MRI) showed diffused joint effusion with proximal tibia focal edema. A diagnosis of juvenile rheumatoid arthritis was suspected, and the patient was started on treatment, but the problem did not resolve. Eventually, the patient underwent a repeat MRI and showed increased joint effusion with an increase in the focal edema. An open bone biopsy of the lesion was taken, and the histopathology showed sheets of primitive mononuclear cells positive for CD33 and CD117 and negative for CD34, myeloperoxidase, CD10, CD20, and CD68, indicating myeloid sarcoma.
CLINICAL DISCUSSION
Histological examination and immunohistochemistry are the most important in diagnosing myeloid sarcoma. Previously, before the introduction of chemotherapy and stem cell transplant, such cases of proximal tibia MS were treated with surgical resection of the bone. However, chemotherapy with the possibility of an allogeneic hematopoietic stem cell transplant (alloHSCT) has changed the view of survival in such cases.
CONCLUSION
Isolated proximal tibia myeloid sarcoma is a rare occurrence that can be misdiagnosed and lead to delayed treatment. Bone biopsy, Immunohistochemistry, and cytogenetic studies play a critical role in differentiating MS from other types of tumors.
PubMed: 38945014
DOI: 10.1016/j.ijscr.2024.109956 -
European Journal of Radiology Jun 2024To develop and validate an open-source deep learning model for automatically quantifying scapular and glenoid morphology using CT images of normal subjects and patients...
OBJECTIVES
To develop and validate an open-source deep learning model for automatically quantifying scapular and glenoid morphology using CT images of normal subjects and patients with glenohumeral osteoarthritis.
MATERIALS AND METHODS
First, we used deep learning to segment the scapula from CT images and then to identify the location of 13 landmarks on the scapula, 9 of them to establish a coordinate system unaffected by osteoarthritis-related changes, and the remaining 4 landmarks on the glenoid cavity to determine the glenoid size and orientation in this scapular coordinate system. The glenoid version, glenoid inclination, critical shoulder angle, glenopolar angle, glenoid height, and glenoid width were subsequently measured in this coordinate system. A 5-fold cross-validation was performed to evaluate the performance of this approach on 60 normal/non-osteoarthritic and 56 pathological/osteoarthritic scapulae.
RESULTS
The Dice similarity coefficient between manual and automatic scapular segmentations exceeded 0.97 in both normal and pathological cases. The average error in automatic scapular and glenoid landmark positioning ranged between 1 and 2.5 mm and was comparable between the automatic method and human raters. The automatic method provided acceptable estimates of glenoid version (R = 0.95), glenoid inclination (R = 0.93), critical shoulder angle (R = 0.95), glenopolar angle (R = 0.90), glenoid height (R = 0.88) and width (R = 0.94). However, a significant difference was found for glenoid inclination between manual and automatic measurements (p < 0.001).
CONCLUSIONS
This open-source deep learning model enables the automatic quantification of scapular and glenoid morphology from CT scans of patients with glenohumeral osteoarthritis, with sufficient accuracy for clinical use.
PubMed: 38944907
DOI: 10.1016/j.ejrad.2024.111588 -
Asian Journal of Surgery Jun 2024
PubMed: 38944606
DOI: 10.1016/j.asjsur.2024.06.071 -
Foot and Ankle Surgery : Official... Jun 2024Venous thrombo-embolism (VTE) is a recognised complication of foot and ankle surgery. There are multiple possible anticoagulation treatments available in the UK to...
INTRODUCTION
Venous thrombo-embolism (VTE) is a recognised complication of foot and ankle surgery. There are multiple possible anticoagulation treatments available in the UK to mitigate the risk of developing VTE. Our primary objective was to assess the variability of chemical anticoagulation prescribed in patients undergoing foot and ankle procedures.
METHODS
This was a UK-based national, multicenter, prospective audit spanning a collection duration of 9 months on all foot and ankle procedures, carried out in 68 UK centers between 1st June 2022 and 30th November 2022, with a further 3-month follow up period. All patients who underwent a foot and ankle surgical procedure (including Achilles tendon rupture treatment) were included in this study.
RESULTS
Data on a total of 13,569 patients was submitted. Following data cleansing, 11,363 patients were available for further analysis, with anticoagulation data available for 11,099 patients. There were eleven different chemical anticoagulation treatments recorded across the cohort. A total of 3630 (31.95 %) patients received no chemical anticoagulation. The patients receiving chemical anticoagulation medication could be split into 4 main groups. The most common chemical anticoagulation received was low molecular weight heparin (LMWH) (6303, 84.4 % of patients receiving chemical anticoagulation). Aspirin was given in 4.1 % (308 patients), a Factor Xa inhibitor in 10 % (744 patients) and other anticoagulants (e.g. Warfarin) in 1.5 % (114 patients). The overall VTE rate in this sub analysis of patients receiving chemical anticoagulation, was 1.1 % (83 cases out of 7469). There was no significant difference seen in incidence of VTE between types of anticoagulants, when confounding factors were considered. The duration of post-operative chemical prophylaxis used by participants for most chemical anticoagulants was 6 weeks (64.50 %).
CONCLUSION
There was significant variability of chemical anticoagulants reported in the study, with five different categories of anticoagulants used (including no chemical anticoagulation), and none clearly superior/inferior. The duration of anticoagulation was consistent across types of thromboprophylaxis.
PubMed: 38944567
DOI: 10.1016/j.fas.2024.06.005 -
Urology Jun 2024To report on the design of a novel 3D-printed retrograde intrarenal surgery (RIRS) benchtop trainer and detail its validation against real-life experiences.
OBJECTIVES
To report on the design of a novel 3D-printed retrograde intrarenal surgery (RIRS) benchtop trainer and detail its validation against real-life experiences.
METHODS
Digital Imaging and Communications in Medicine (DICOM) files of two patients with normal computed tomography of the kidney and bladder were converted into stereolithography files to create 3D triangular mesh models. These images were further refined using Autodesk Meshmixer. These 3D models were fabricated through additive manufacturing, a process commonly known as 3D printing and assembled in a polypropylene case. After development, the model was validated by 40 experienced who were asked to rate the components of the simulation using a nine-point questionnaire.
RESULTS
The model's value in understanding the principles of RIRS and simulating contextual anatomy had mean scores of 9.43 (standard deviation [SD] = 0.74) and 9.21 (SD = 1.03), respectively. Mean scores for specific steps in RIRS were 8.07 (SD 1.47) for cannulating the ureteric orifice, 8.61 (SD 1.24) for inserting the ureteric access sheath, 9.29 (SD 0.97) for performing a renoscopy and evaluating all the calyces, 9.46 (SD 0.87) for laser lithotripsy, and 9.17 (SD 0.94) for manual stone retrieval. Participants scored the model with a mean score of 9.04 (SD 0.87) regarding realism and a mean score of 9.18 (SD 0.89) when evaluating its ability to enhance a trainee's confidence in RIRS.
CONCLUSIONS
The model performed well for all components of RIRS. This model allows high fidelity of the simulation, and is cost-effective, portable, durable, reusable, and compatible with standard ureteroscopes.
PubMed: 38944388
DOI: 10.1016/j.urology.2024.06.061