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Purpose This study aimed to compare the clinical and radiographic outcomes and arthroscopic findings after high tibial osteotomy (HTO) between neutral and classic targeted coronal alignments in patients with medial meniscus posterior root tears (MMPRTs). Methods Ninety-eight patients with MMPRT were prospectively enrolled in the final cohort and randomized into two groups. Fifty-two patients with the targeted alignment through the Fujisawa point (60–62.5% of the entire tibial plateau width measured from the medial side) during HTO were included in group A, whereas 46 patients with the targeted alignment through the point at 50–55% of the tibial plateau width were included in group B. The clinical and radiographic outcomes and second-look arthroscopic findings were statistically compared for comprehensive assessments. Results After a mean follow-up of 37.1 months, we found no significant differences between the two groups regarding the final Lysholm ( p  = 0.205) and Hospital for Special Surgery scores ( p  = 0.084). However, we only observed significant differences between the two groups in terms of the final hip–knee–ankle angle, weight-bearing line ratio, and medial proximal tibial angle ( p  < 0.001). Second-look arthroscopy did not reveal a significant difference in meniscal healing rate ( p  = 0.786). Conclusions Performing HTO with the aim to achieve neutral alignment leads to similar clinical outcomes in patients with MMPRT compared to classic alignment. Although subsequent research is required, the current study provides clinical evidence for the safety and efficacy of the new targeted alignment during HTO, which may avoid long-term complications associated with overcorrection when using the traditional technique.

Purpose The study aimed to compare the perioperative complications, short-term clinical outcomes, patient-reported outcomes, and radiographic parameters of tibiofibular proximal osteotomy combined with absorbable spacer insertion (TPOASI) and open-wedge high tibial osteotomy (OWHTO) in a two year postoperative time period. Methods A total of 160 patients with Kellgren-Lawrence classification grade 3 medial compartmental knee OA were randomized to receive either TPOASI ( n  = 82) or OWHTO ( n  = 78). The primary and secondary outcomes were measured preoperatively, postoperatively, and at each follow-up examination. The primary outcomes were the between-group change in the Western Ontario and McMaster Universities Global score (WOMAC). Secondary measures included visual analog scale (VAS), radiographic parameters, American Knee Society Score (KSS), operation time, blood loss, length of incision, hospital stay, and relevant complications. Postoperative radiographic parameters, including the femorotibial angle (FTA), varus angle (VA), and joint line convergence angle (JLCA), were measured to evaluate the correction of varus deformity. Results No significant differences were found in the baseline data between the two groups. Both methods improved functional status and pain postoperatively. For primary outcomes of both groups, statistical difference was observed in WOMAC scores at the 6-month follow-up ( P  < 0.001). For secondary outcomes, no statistical difference was observed between the groups during the 2-year follow-up ( P  > 0.05). For TPOASI vs. OWHTO, the mean hospital stay (6.6 ± 1.3 days vs. 7.8 ± 2.1 days) was shorter ( P  < 0.001), and both blood loss (70.56 ± 35.58 vs. 174.00 ± 66.33 mL) and complication rate (3.7% vs. 12.8%) were significantly lower ( P  < 0.005 for both). Conclusions Both approaches showed satisfactory functional outcomes and alleviated pain. However, TPOASI is a simple, feasible method with few complications, and it could be widely used.

Objective The objective of this study was to establish a zone of clinical equipoise for the Proximal FEmur Resection or Internal Fixation fOR Metastases (PERFORM) randomized controlled trial, which will compare resection and endoprosthetic reconstruction to internal fixation for skeletal metastases of the proximal femur. Methods A survey was developed, piloted, and distributed to self-declared interested stakeholders in the PERFORM trial. The survey targeted orthopedic oncologists and was designed to assess patient and bone lesion characteristics that drive surgical decision-making in the treatment of skeletal metastases in the proximal femur. An Ethics Waiver was obtained at the lead academic institution and data was collected in the REDCap survey database. Results Responses were complete from 76 surgeons across North America, South America, Europe, Asia, and Africa. Response rate from self-declared interested stakeholders was 70%, with additional responses collected from a broader international audience. Responses indicate that a study population for which either resection and endoprosthetic reconstruction or internal fixation are acceptable options include (1) life expectancy at least 6 months, (2) bone loss of no more than 75% and no less than 25%, and (3) minimal to moderate risk for perioperative complications. Ninety-three percent of respondents indicated that they would be interested in participating in the PERFORM trial. Conclusion A preliminary zone of equipoise for the PERFORM trial includes patients with 25–75% bone loss, low to moderate risk of operative complications, and life expectancy of at least 6 months. Further stakeholder discussions have finalized the PERFORM trial protocol prior to study initiation.

Background Medial knee osteoarthritis (OA) is a common health problem resulting in knee pain and limiting patients’ physical activity. After failed conservative treatment, unicompartmental knee arthroplasty (UKA) and high tibial osteotomy (HTO) are possible surgical treatment options for this condition. There is a paucity of high-quality evidence in the literature comparing objective and subjective outcomes of these procedures. Also, there is no common agreement on whether these procedures provide comparable results in late-stage medial knee OA patients. Methods We will perform a prospective randomized controlled trial comparing HTO and UKA in patients with late-stage medial knee OA. 100 patients with isolated medial knee OA (KL III–IV) are assigned to either UKA ( n  = 50) or HTO ( n  = 50) procedure in patients 45–65 years of age. Our primary outcome will be KOOS 5 at one year postoperatively. Secondary outcomes include OARSI physical assessment, length of stay, wearable activity watch, radiographs (OA progression according to Kellgren-Lawrence classification), patient-reported outcomes (KOOS subscales, pain visual analog scale [VAS], Lysholm, and Oxford knee scores), and adverse events (conversion to total knee arthroplasty, surgery-related complications, need for revision surgery) outcomes. Our hypothesis is that neither of the interventions is superior as measured with KOOS 5 at 12 months. Ethics and dissemination The institutional review board of the Helsinki and Uusimaa Hospital District has approved the protocol. We will disseminate the findings through peer-reviewed publications. Trial registration ClinicalTrials.gov/TooloH NCT05442242. Registered on 7/1/2022.

Introduction: Minimally invasive surgical techniques for hallux valgus have gained popularity, showing good results characterized by smaller postoperative scars, less pain, lower infection risk, and fewer wound complications. Given the lack of evidence available in our country regarding this subject, especially about this type of surgical technique, our paper aims to compare open and MIS approaches for chevron osteotomy. We evaluated the outcome and complications after 12 months. Materials and Methods: We undertook a prospective, randomized, controlled, single-center study between October 2017 and December 2020. The patients were randomized into two groups: one group that received percutaneous chevron osteotomy (MIS), and the other, open chevron osteotomy (OC). For clinical assessment, we determined the function and the level of pain using the Visual Analogue Scale (VAS) and The American Orthopaedic Foot and Ankle Surgery score (AOFAS). The VAS scale was measured before the surgical procedure, at discharge, and at 3 weeks, 6 weeks, 6 months, and 12 months after surgery. The AOFAS score was calculated preoperatively and after 6 months. The hallux angle (HVA) and intramedullary angle (IMA) were measured preoperatively, and at 6 weeks, 6 months and 12 months. Results: We included 26 cases in the open chevron osteotomy group (24 female, 2 male) and 24 in the MIS group (24 female, 0 male). Both groups demonstrated improvements regarding the IMA and HVA at the last follow-up without any significant differences between the groups at the final assessment. The VAS showed significantly better post-operative results for the MIS group at discharge (p < 0.001) and 3 weeks (p < 0.001), 6 weeks (p < 0.001), and 6 months (p = 0.004) post-surgery. The AOFAS showed no significant differences either before or after surgery. Four cases with screw prominence were reported, three of which belonged to the MIS group. Only one case with metatarsalgia was found in the OC group. Conclusions: This paper demonstrates that minimally invasive chevron osteotomy has comparable results with open chevron osteotomy, even though surgical time and radiological exposure are significantly longer. More studies are required to evaluate the complications and the risk of recurrences.

Background Ideal surgical treatment for hallux valgus is still controversial. A traditional distal metatarsal osteotomy with rigid fixation (Scarf procedure) and a more minimally invasive approach to a distal metatarsal osteotomy, termed SERI (Simple, Effective, Rapid, Inexpensive), have proven successful with short-term followup. However, no data are available directly comparing the two procedures. Questions/Purposes We performed a prospective randomized trial to determine which technique (SERI or Scarf) was associated with (1) better functional outcomes, (2) better radiographic correction, and (3) fewer complications at 2 and 7 years followup. Methods Twenty patients, 53 ± 11 years of age, with bilateral hallux valgus, clinically and radiographically similar, underwent bilateral surgery with Scarf on one side and SERI on the other, at random. Clinical (AOFAS score) and radiographic assessments were considered before surgery, and at 7 years followup. Results SERI and Scarf techniques provided correction of the hallux valgus angle, intermetatarsal angle, and distal metatarsal angle in the range of normal. Both led to similar clinically important improvements in the AOFAS. No differences were observed between the groups. All osteotomies healed, and two patients who underwent the Scarf procedure required hardware removal. Reduction of ROM with respect to preoperative was observed in three patients for SERI and three patients for Scarf procedures. Conclusions Scarf and SERI techniques resulted in effective correction of hallux valgus with similar outcomes, however the SERI technique required a shorter skin incision, less surgical time, less expensive fixation device, and was without residual pain attributable to hardware. Level of Evidence Level II, prospective comparative study. See Guidelines for Authors for a complete description of levels of evidence.

Background Weil osteotomies are performed to surgically treat metatarsalgia, by shortening the metatarsal via either a single distal oblique cut with translation of the metatarsal head (flat-cut) or through the removal of a slice of bone (wedge-cut). The wedge-cut technique purportedly has functional and mechanical advantages over the flat-cut procedure; however, in vivo data and quality of evidence are currently lacking. This study aims to investigate whether wedge-cut Weil osteotomy compared to traditional flat-cut Weil is associated with increased pain relief and fewer complications up to 12 months postoperatively. Methods Patient, surgical and clinical data will be collected for 80 consecutive consenting patients electing to undergo surgical treatment of propulsive metatarsalgia in a randomised control trial, embedded within a clinical registry. The primary outcome is patient-reported pain as assessed by the Foot and Ankle Outcome Score (FAOS) - Pain subscale, and the secondary outcome is the incidence of procedure-specific complications at up to 12 months postoperatively. The groups will be randomised using a central computer-based simple randomisation system, with a 1:1 allocation without blocking and allocation concealment. A mixed-effects analysis of covariance will be used to assess the primary outcome, with confounders factored into the model. A binary logistic regression will be used to assess the secondary outcome in a multivariable model containing the same confounders. Discussion To the best of the authors’ knowledge, the trial will be the first to examine the clinical efficacy of the wedge-cut Weil osteotomy compared to the flat-cut technique with a prospective, randomised control design. Trial registration Australian New Zealand Clinical Trials Registry ACTRN12620001251910. Registered on 23 November 2020.

Background and Objectives: Stable fixation is essential for successful healing after medial open wedge high tibial osteotomy (MOWHTO) to minimize the risk of non-union and correction loss. In Asians, potential complications such as D-hole screw osteotomy plane violation (D-hole violation) and inadequate plate fitting arise due to improper plate size. This study aimed to evaluate the risk factors for D-hole violation and compare the conventional anatomic (CA) plate with an individualized anatomic (IA) plate in MOWHTO procedures. Materials and Methods: A simulation study on D-hole violation using the CA plate was conducted, involving preoperative radiographs and CT scans of 64 lower extremities from 47 MOWHTO patients. Additionally, a randomized controlled study compared CA and IA plates in MOWHTO procedures with 34 patients (17 in the CA plate group; 18 in the IA plate group). Patient demographics, patient-reported outcome measures (PROMs), and radiological measures were analyzed. Results: In the simulation study, the rates of D-hole violation ranged from 20.3% to 59.4%, with an increase observed as the plate was distalized from 5 mm to 10 mm away from the joint line. Short stature was identified as an independent risk factor for D-hole violation (p < 0.001), with a cutoff value of 155.3 cm. In the randomized controlled study, no significant difference in PROMs and D-hole violation was observed between the CA plate and IA plate groups. However, the IA plate group showed better plate fitting compared to the CA plate group (p = 0.041). Conclusions: This study identified a high risk of D-hole screw osteotomy plane violations in MOWHTO procedures, particularly when the plate is positioned more distally and in individuals with a stature below 155.3 cm. It also revealed that individualized plates provide better tibial fitting compared to conventional anatomic plates, particularly in Asian populations where tibial morphology tends to be shorter than in Western populations. Therefore, evaluating patient stature and selecting tailored plates are essential to optimize plate positioning and minimize plate-related complications in MOWHTO procedures.

Our aim for this study was to evaluate and compare the clinical outcomes in patients who underwent lateral osteotomy with a Piezosurgery device or a conventional osteotome in open-technique rhinoplasty. This cohort trial involved 65 patients (36 women and 29 men; average age: 23.6 ± 5.71 yr) who underwent surgery between May 2015 and January 2016. Piezo-surgery was used for lateral osteotomy in 32 patients, whereas 33 patients underwent conventional external osteotomy. These 2 groups were compared for duration of surgery, perioperative bleeding, postoperative edema, ecchymosis, pain, and patient satisfaction on the first and seventh postoperative days. The Piezosurgery group revealed significantly more favorable outcomes in terms of edema, ecchymosis, and hemorrhage on the first day postoperatively (p < 0.001 for all). Similarly, edema (p = 0.005) and ecchymosis (p < 0.001) on the seventh postoperative day also were better in the Piezosurgery group. Hemorrhage was similar in both groups on the seventh postoperative day (p = 0.67). The Piezosurgery group not only experienced less pain on the first postoperative day (p < 0.001), but these patients also were more satisfied with their results on both the first and seventh postoperative days. Results of the present study imply that Piezosurgery may be a promising, safe, and effective method for lateral osteotomy, a critical step in rhinoplasty. The time interval necessary for the learning curve is counteracted by the comfort and satisfaction of both patients and surgeons.

AimsThe safety and efficacy of tranexamic acid (TXA) in reducing blood loss after total joint arthroplasty and spinal fusion surgery has been well documented. However, little data exist regarding the effectiveness of intraoperative TXA in children with cerebral palsy (CP). The aim of this double cohort study is to investigate the safety and efficacy of intraoperative TXA in reducing blood loss and transfusion requirements for children with CP undergoing a proximal unilateral or bilateral femoral varus derotational osteotomy (VDRO).Patients and methodsA retrospective review was performed of all paediatric theatre lists between May 2012 and January 2019 for all paediatric (< 16 years old) CP patients who underwent unilateral or bilateral VDRO combined with soft tissue release at our institution. Fifty-one patients were included in our study further subdivided into two individual groups, unilateral and bilateral VDRO.ResultsNo statistically significant differences were found in demographics such as age, weight, ASA, GMFCS and antiepileptic medication between the groups. However, there were significant statistically differences in TBL and transfusion rates between the groups that received TXA and those that did not, both in unilateral [241 ml (TXA) vs. 369 ml (non-TXA)] and bilateral [287 ml (TXA) vs. 467 ml (non-TXA)] operations.ConclusionTXA successfully reduced TBL (in both TXA subgroups) and the transfusion rates without associated complications. TXA’s safety and efficacy should be explored further in adequately powered randomized controlled trials.