Publications by authors named "Yapar A"

Article Synopsis
  • - The study focuses on validating and testing the reliability of the Turkish version of the Lumbar Stiffness Disability Index (Tr-LSDI) for patients post-lumbar fusion surgery, as the original version has not been confirmed in Türkiye.
  • - A total of 66 patients participated, with various analyses confirming that the Tr-LSDI has high content validity, good internal consistency (Cronbach's alpha of 0.934), and excellent test-retest reliability (ICC of 0.980).
  • - Results showed a strong correlation between Tr-LSDI scores and both the number of fusion levels and the Oswestry Disability Index, affirming its effectiveness as a tool for assessing lumbar stiffness in clinical settings. *
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Purpose: Stigma is the negative attitudes towards an illness or difference. The literature lacks detailed scales specifically addressing stigmatization in AIS. This study aimed to develop Adolescent Idiopathic Scoliosis Stigma Assessment Scale (AIS-SAS) to measure stigmatization in AIS patients.

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Background: This study aimed to evaluate the predictive value of anthropometric measurements for two-stranded peroneus longus tendon (PLT) graft thickness using ultrasonography MATERIALS AND METHODS: A prospective study was conducted on 204 healthy volunteers (102 males and 102 females) aged 18-40 years. Anthropometric measurements were recorded, including height, weight, body mass index (BMI), fibular length, calf circumference, and ankle circumference. The Tegner Activity Scale (TAS) was used to assess activity levels.

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  • * Patients were divided into two groups: one receiving patellar denervation (PD) and the other without (NPD), and outcomes like knee pain and function were measured before and after the surgery.
  • * There were no significant differences in pain and functional scores between the two groups, but both showed improvement over time, with scores indicating better outcomes at 3 and 6 months post-surgery.
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  • This study evaluates the long-term effects of saphenous nerve (SN) injuries resulting from hamstring tendon harvesting during ACL reconstruction, focusing on clinical results and patient satisfaction over two years.
  • A retrospective review of 159 patients showed that 54.7% experienced SN injuries right after surgery, with some still having issues at the final follow-up.
  • Persistent injuries significantly affected patients' daily activities and functional outcomes, with a notable correlation between these injuries and higher ACL re-rupture rates.
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Background: In this study, we aimed to analyze the temporal distribution of polymicrobial periprosthetic joint infections (PJIs), while also evaluating the patient risk factors associated with these infections following total joint arthroplasty at our institution across 2 distinct periods.

Method: This retrospective cross-sectional study evaluated 259 patients who had knee or hip PJI from 2001 to 2006 and 2018 to 2022. A PJI was diagnosed using the 2018 International Consensus Meeting criteria.

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Study Objective: Various retropubic and midurethral sling techniques have shown high cure rates in the treatment of stress urinary incontinence (SUI). This study aimed to compare single-incision midurethral sling (SIMS) and laparoscopic Burch colposuspension (LBC) procedures in patients with SUI in terms of the effectiveness, patient satisfaction, surgical complications and results.

Design: This is a prospective randomized study.

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Objectives: The aim of this study was to investigate the effects of adding hexagonal boron nitride at four different concentrations to polymethylmethacrylate (PMMA) bone cement, which is commonly used in orthopedic surgeries, on the mechanical properties and microarchitecture of the bone cement.

Materials And Methods: The study included an unaltered control group and groups containing four different concentrations (40 g of bone cement with 0.5 g, 1 g, 1.

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Introduction And Hypothesis: The objective was to determine whether the addition of uterosacral ligament plication to pectopexy for pelvic organ prolapse increases anatomical improvement and female sexual functioning.

Methods: This is a prospective randomised study. Forty patients who underwent laparoscopic pectopexy (LP) and laparoscopic pectopexy with uterosacral ligament plication (LPUSL) were included in the study.

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Article Synopsis
  • The rise in hip and knee replacements is accompanied by increased rates of periprosthetic joint infections (PJIs) and surgical site infections (SSIs), costing the U.S. healthcare system billions annually.
  • PJIs can occur in 0.5% to 2.4% of primary surgeries but spike to 20% in revisions, with projections of 270,000 cases expected each year by 2030.
  • The review covers preventive measures across different surgical phases, including managing patient health preoperatively, ensuring proper techniques and controls during surgery, and addressing post-operative risks to minimize infection rates and improve patient care outcomes.
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  • The study compares the outcomes of using two versus three screws to fix biplanar chevron medial malleolar osteotomy (MMO) in treating talus osteochondral lesions in 43 patients.
  • In the analysis, both fixation methods showcased similar demographic characteristics and no significant differences in union rates, complications, or functional outcomes, with all patients achieving osteotomy union.
  • The findings suggest that both two-screw and three-screw techniques are safe and effective for MMO fixation, with no notable advantages of one method over the other.
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The aim of this study is to determine the treatment modalities and clinical characteristics of 12 patients diagnosed with giant cell tumor (GCT) of the hand and foot. The clinical findings, treatment modalities, and treatment failures of 12 patients with giant cell tumors of the hand and foot bones between 2007 and 2018 years were evaluated retrospectively. The average age at diagnosis was 29.

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  • The study aimed to assess the frequency of proximal junctional kyphosis (PJK) and the outcomes of surgeries for Scheuermann’s Kyphosis (SK) using either only pedicle screws or a mix of hooks and screws.
  • Researchers evaluated 37 SK patients retrospectively, dividing them into two groups: one with only pedicle screws (22 patients) and the other with a mix of proximal hooks and pedicle screws (15 patients), tracking their clinical and radiological progress for at least 2 years.
  • Results showed no significant differences in overall scores between the two groups; however, the pedicle screws group had larger increases in PJK angles, suggesting that using hooks may help reduce the risk of PJK.
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Article Synopsis
  • * A study focused on a 26-year-old male who developed bilateral avascular necrosis in the humeral and femoral heads after a month of corticosteroid treatment; he underwent a comprehensive management strategy that included surgery and rehabilitation.
  • * The patient showed significant recovery over three years, illustrating that avascular necrosis symptoms can appear long after corticosteroid use, highlighting the need for careful monitoring of patients with such a history.
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  • The study investigates the effectiveness of ChatGPT in providing medical consultation for patients recovering from orthopedic surgeries, focusing on its role in supporting self-management at home.* -
  • Seven common orthopedic scenarios were assessed using ChatGPT, with responses evaluated by 68 expert orthopedists who rated the accuracy, applicability, comprehensiveness, and clarity of the advice on a scale from 1 to 5.* -
  • Results showed that ChatGPT scored well in accuracy (79.8%) and applicability (75.2%), but its comprehensiveness was lower (70.6%), indicating it’s useful for home care but needs improvement in providing comprehensive information.*
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Purpose: This study aimed to conduct a large-scale population-based study to understand the epidemiological characteristics of Primary Malignant Bone Tumors (PMBTs) and determine the prognostic factors by concurrently using the classical statistical method and data mining methods.

Methods: Patients included in this study were extracted from the National Cancer Institute's Surveillance, Epidemiology and End Results (SEER) database: "Incidence-SEER Research Data, 18 Registries, Nov 2020 Sub". Patients with unclassified and incomplete information were excluded.

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In this paper, the reverse time migration (RTM) method is applied to the single-frequency reconstruction of embedded obstacles in a wall to perform an introductory study for in-wall imaging. The aim is to determine the geometrical properties of an object embedded in a wall by the use of an information function provided via the RTM method. The method is based on the computation of that information function separately at each point on a reconstruction domain.

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Purpose: There is still no consensus on the optimum pedicle screw density required for the desired thoracic kyphosis restoration in adolescent idiopathic surgery (AIS). The aim of this study to evaluate the effect of pedicle screw density on thoracic kyphosis restoration in AIS surgery.

Methods: The data of 106 patients from two centers that operated for Lenke type 1 and 2 AIS were retrospectively reviewed.

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Article Synopsis
  • This study investigates the outcomes of arthroscopic rotator cuff repair in patients with full-thickness tears and early-stage glenohumeral osteoarthritis, with a focus on two-year clinical results.
  • Out of 320 patients evaluated, 35 with early-stage osteoarthritis were assessed using UCLA and VAS scores before and after surgery, showing significant improvements post-operation.
  • The findings suggest that arthroscopic repair leads to good outcomes in about 71% of patients, indicating it could be a primary treatment option for those with rotator cuff injuries combined with early osteoarthritis.
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Purpose: The aim of the present study was to evaluate the effectiveness of carbon nanotubes (CNTs)/ HA-tricalcium phosphate (TCP) composite in a posterolateral spinal fusion model.

Methods: At first, CNTs and CNTs/HA-TCP composites were prepared. Twenty adult male Sprague Dawley rats were randomized into four groups with five rats in each group.

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Background: Extraskeletal myxoid chondrosarcoma (EMC) is a rare soft tissue sarcoma. The aim of this study is to present the results of the patients we treated with the diagnosis of EMC as an oncology reference center.

Methods: Information on 13 patients diagnosed with EMC between 2006 and 2018 was retrospectively reviewed.

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Objectives: This study aims to investigate the clinical, radiological, and functional results of trapeziectomy, ligament reconstruction and suspensionplasty surgery with abductor pollicis longus (APL) tendon slip autograft to thumb carpometacarpal (CMC) osteoarthritis.

Patients And Methods: Between January 2011 and June 2017, a total of 25 hands of 25 patients (4 males, 21 females; mean age: 63.6±5.

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Article Synopsis
  • The study aimed to assess the feasibility of using the wide-awake local anesthesia no-tourniquet (WALANT) technique for radial shortening osteotomy compared to the infraclavicular brachial plexus block (IBPB).
  • A total of 26 patients with Kienbock's disease were analyzed, divided into WALANT (11 patients) and IBPB (15 patients) groups, with outcomes measured by Visual Analog Scale (VAS), surgical times, and patient satisfaction.
  • Results indicated similar pain scores, satisfaction, and waiting times between both anesthesia methods, suggesting WALANT is a viable alternative with favorable outcomes for this type of surgery.
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Objective: To evaluate the prognostic significance of neutrophil-to-lymphocyte ratio (NLR) in giant cell tumor of bone (GCT).

Methods: The patients with GCT were identified in the hospital records and pre-treatment complete blood count results were acquired retrospectively. Whether preoperative NLR lymphocyte-to-monocyte ratio (LMR) and platelet-to-lymphocyte ratio (PLR) values had prognostic significance in predicting recurrence was evaluated by Receiver operating curve (ROC) analysis.

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Introduction: Surgical treatment options for periprosthetic fractures (PPF) include internal fixation with plate, intramedullary nailing and revision arthroplasty. We aimed at evaluating the surgical outcomes of patients who we had treated PPF with locking compression plates (LCP).

Materials And Methods: Twenty patients with PPF after primary total knee arthroplasty (TKA) between 2009 and 2016 were included in to the study.

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