Onur Yaman

ORCID: 0000-0002-2038-1643
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About
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Research Areas
  • Spine and Intervertebral Disc Pathology
  • Spinal Fractures and Fixation Techniques
  • Scoliosis diagnosis and treatment
  • Pelvic and Acetabular Injuries
  • Cervical and Thoracic Myelopathy
  • Musculoskeletal pain and rehabilitation
  • Medical Imaging and Analysis
  • Spinal Dysraphism and Malformations
  • Spinal Hematomas and Complications
  • Shoulder Injury and Treatment
  • Management of metastatic bone disease
  • Hip and Femur Fractures
  • Hip disorders and treatments
  • Intracranial Aneurysms: Treatment and Complications
  • Infectious Diseases and Tuberculosis
  • Head and Neck Surgical Oncology
  • Spinal Cord Injury Research
  • Orthopedic Infections and Treatments
  • Orthopedic Surgery and Rehabilitation
  • Crime and Detective Fiction Studies
  • History of Medical Practice
  • Pregnancy-related medical research
  • Psychotherapy Techniques and Applications
  • Cerebrospinal fluid and hydrocephalus
  • Music Education and Analysis

Memorial Sisli Hospital
2020-2025

Üsküdar University
2025

Istanbul Memorial Hospital
2020-2024

Ankara Spine Center
2014-2024

Npistanbul Brain Hospital
2024

Sanko University
2023

Creative Commons
2015-2023

Koç University
2015-2022

Izmir Tepecik Eğitim ve Araştırma Hastanesi
2013-2015

TOBB University of Economics and Technology
2015

To formulate the most current, evidence-based recommendations for conservative management of lumbar disc herniations (LDH). A systematic literatüre search was performed 2012–2022 in PubMed/Medline and Cochrane using keywords ''lumbar herniation'' ''conservative treatment,'' yielding 342 total manuscripts. Screening criteria resulted 12 final manuscripts which were summarized presented at two international consensus meetings World Federation Neurosurgical Societies (WFNS) Spine Committee. The...

10.1016/j.wnsx.2024.100277 article EN cc-by-nc-nd World Neurosurgery X 2024-02-13

Study Design. A systematic literature review and consensus using Delphi method. Objective. This aims to outline the therapeutic criteria clarify best surgical options for different types of basilar invagination (BI). Summary Background. BI is a complex developmental malformation which many remedies have been proposed without clear consensus. Material Methods. Using PubMed, authors reviewed on treatment published from 2011 2022 looking at options. panel spine surgeons members WFNS Spine...

10.1097/brs.0000000000005282 article EN Spine 2025-01-31

Study Design. A comprehensive search was conducted in PubMed/EMBASE/MEDLINE databases. Inclusion criteria included publications between January 2011 and December 2022 on CM diagnosis classification, natural history, conservative management. Objective: This study aims to offer an update classifications, management Chiari Malformation (CM). Summary of Background Data. type 1 involves cerebellar tonsil herniation leading neurological symptoms. There is controversy regarding its pathophysiology...

10.1097/brs.0000000000005289 article EN Spine 2025-02-10

Study Design. Systematic literature review plus expert opinion framed on Delphi method. Objective. To analyze the influence of coexistent Chiari I Malformation (CMI) management Basilar Invagination (BI). Summary Background Data. (BI) and 1 constitute commonest anomalies cranio-vertebral junction (CVJ). Treatment becomes even more challenging for patients in whom both pathologies co-exist. Method. Using PubMed, authors identified 48 publications published between 2011 2022 concerning...

10.1097/brs.0000000000005293 article EN Spine 2025-02-10

ABSTRACT We present a unique case of myoclonic seizures 36 h after endoscopic cervical disc surgery. A 48‐year‐old female patient underwent posterior surgery for right C6‐C7 herniation. The finished without any complications. No dural tear could be detected. the developed seizures. MRI did not reveal mass effect or hemorrhage signs intracranial hypotension, EEG show pathologies. Generalized spinal procedures are extremely rare and mostly associated with accidental durotomy‐induced...

10.1111/ases.70027 article EN Asian Journal of Endoscopic Surgery 2025-01-01

Study Design. A systematic literature review and consensus using Delphi method. Objective. This aimed to analyze recent on diagnosis, classification, radiologic characteristics of Basilar Invagination (BI) generate recommendations these topics. Summary background. invagination classifications, evolved during the last decade; however, many debatable criteria disturb a common language fundamental compare clinical research. Material Methods. The WFNS Spine Committee organized two separate...

10.1097/brs.0000000000005308 article EN Spine 2025-02-18

To formulate the specific guidelines for recommendation of thoracolumbar fracture regarding surgical techniques and nonfusion surgery. WFNS (World Federation Neurosurgical Societies) Spine Committee organized 2 consensus meeting. For surgery fracture, a systematic literature search in PubMed Google Scholar database was done from 2010 to 2020. The further refined by excluding articles which were duplicate, not English or based on animal cadaveric subjects. After thorough shortlisting, only 50...

10.14245/ns.2142206.253 article EN cc-by-nc Neurospine 2021-12-29

In Brief Study Design. Sagittal pelvic parameters (SPPs) of a representative patient sample drawn from consecutive adult spinal deformity database were measured using Surgimap Spine. Estimated coefficient reliability intraclass (95% confidence interval), standard error measurement, and mean absolute deviation used for the analysis. Objective. The primary objective this study was to assess SPP measurements secondary evaluate impact instrumentation as well user expertise. Summary Background...

10.1097/brs.0000000000000720 article EN Spine 2014-12-10

One of the most common problems with transpedicular screws is screw pullout. This study was conducted to measure pullout strengths newly designed screws.The design three group were conical cored standard pedicle (Type A), dual threaded B), core and C), respectively. Polyurethane (PU) blocks in 25 mm 50 thickness used investigate effect just on strength both distal (vertebral body) proximal (pedicle) parts screw. The also tested ovine lumbar vertebrae.Type C exhibited 5.9% 12.9% higher than...

10.5137/1019-5149.jtn.8907-13.1 article EN PubMed 2015-01-01

An evaluation of treatment methods and outcomes for coccygodynia cases that do not respond to conservative treatment.Local anesthetic steroid injections were applied in 32 did (average 15 months). Coccyx excision was performed as surgical 25 had pain relief after the but later re-presented with complaints. The patients' levels assessed VAS. Postacchini classification used patient based on plain radiography.20 (62%) (the total including injection surgery groups) a trauma history. Majority...

10.5137/1019-5149.jtn.9505-13.0 article EN Turkish Neurosurgery 2014-01-01

AIm: Cervical spine is the most kinetic segment of whole vertebrae.The radiologic imaging methods concern with morphologic changes but give no functional data.At flexion, spinal cord strains, anterior osteophytic compression increases.At extension, canal gets narrower, shortens and thicker, posterior ligament abberant increases.mATErIAl mEThOds: 258 cervical spondylotic myelopathy (CSM) cases were scanned by conventional magnetic resonance (MRI) additionally dynamic MRI.Contributions MRI to...

10.5137/1019-5149.jtn.9082-13.1 article EN Turkish Neurosurgery 2013-01-01

This study compares the clinical and radiological results of three most commonly used dynamic stabilization systems in field orthopedic surgery.A total 71 patients underwent single-level posterior transpedicular between 2011 2014 due to lumbar degenerative disc disease. Three different include: (1) Dynesys system; (2) a screw with PEEK rod; (3) full system (a BalanC). The mean patient age was 45.8 years. follow-up 29.7 months. Clinical data were obtained for each preoperatively at 6, 12, 24...

10.4055/cios.2017.9.3.310 article EN cc-by-nc Clinics in Orthopedic Surgery 2017-01-01

A retrospective study investigating decrease in the nucleus pulposus signal intensity or disc height on magnetic resonance imaging (MRI) and degeneration.Although a degenerated cannot self-regenerate, distraction stabilization may provide suitable conditions for rehydration possible regeneration. This aimed to evaluate clinical outcomes regeneration via MRI series of patients with degenerative disease (DDD) who underwent lumbar dynamic system (DSS).A provides during early DDD.Fifty-nine...

10.4184/asj.2017.11.3.348 article EN cc-by-nc Asian Spine Journal 2017-06-21

The aim of this study is to report our 39 patients treated with anterior debridement and autologous iliac bone grafting or without instrumentation, which the presumed treatment choice for thoracic lumbar spondylodiscitis.Our underwent surgical spondylodiscitis using instrumentation were analyzed a mean follow-up 8 years (range, 2-11 years). Kaneda 2-rod system was used in 12 patients, total. Clinical outcomes assessed by Frankel grade. Radiographic fusion characterized based on 3-dimensional...

10.1097/md.0000000000002110 article EN cc-by-nc Medicine 2015-11-01

PURPOSE: There is a need for cervical flexion and even hyperflexion the use of technological devices, especially mobile phones. We investigated effect this on lordosis angle.MATERIAL AND METHODS: A group 156 patients who applied with only neck pain between 2013–2016 had no additional problems were included. Patients are specifically questioned about phone, tablet, other devices usage. The value obtained by multiplying year usage average (hour) in daily life was determined as total (an hour...

10.3889/oamjms.2018.107 article EN Open Access Macedonian Journal of Medical Sciences 2018-03-03

The aim of this study was to determine the role surgeon handedness plays in transpedicular screw placement.The included 269 pedicle screws inserted by two right-handed surgeons who stood on different sides patients and used free-hand technique. A parallel line drawn endplate vertebrae lateral radiograph. Measurement made observe angle between endplate. Angles were classified as cranial '+' when tip above caudal '-' it below line. placed from right side compared those left.On left side, 80...

10.3944/aott.2014.13.0046 article EN cc-by-nc Acta Orthopaedica et Traumatologica Turcica 2014-01-01

Lumbar radiculopathy is generally caused by such well-recognized entity as lumbar disc herniation in neurosurgical practice; however rare pathologies thrombosed epidural varix may mimic them causing radicular symptoms. In this case report, we present a 26-year-old man with the complaint of back and right leg pain who was operated for L4-5 herniation. The lesion interpreted an extruded preoperatively found to be compressing nerve root preoperatively. decompressed shrinking bipolar...

10.3340/jkns.2016.59.4.410 article EN cc-by-nc Journal of Korean Neurosurgical Society 2016-01-01
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