Türker Özkan

ORCID: 0000-0003-0406-9278
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About
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Research Areas
  • Nerve Injury and Rehabilitation
  • Orthopedic Surgery and Rehabilitation
  • Reconstructive Surgery and Microvascular Techniques
  • Congenital limb and hand anomalies
  • Peripheral Nerve Disorders
  • Ferroelectric and Piezoelectric Materials
  • Cardiac Structural Anomalies and Repair
  • Advanced ceramic materials synthesis
  • Anesthesia and Pain Management
  • Microwave Dielectric Ceramics Synthesis
  • Shoulder and Clavicle Injuries
  • Cardiovascular Issues in Pregnancy
  • Elbow and Forearm Trauma Treatment
  • Cardiac, Anesthesia and Surgical Outcomes
  • Cerebral Palsy and Movement Disorders
  • Foot and Ankle Surgery
  • Tendon Structure and Treatment
  • Nuclear materials and radiation effects
  • Dupuytren's Contracture and Treatments
  • Medical Malpractice and Liability Issues
  • Facial Nerve Paralysis Treatment and Research
  • Tumors and Oncological Cases
  • Neurogenetic and Muscular Disorders Research
  • Diabetic Foot Ulcer Assessment and Management
  • Anesthesia and Neurotoxicity Research

Turkish Society of Hematology
2022

Istanbul University
2008-2021

Istanbul Bilim University
2011

Scientific and Technological Research Council of Turkey
1998-2007

TÜBİTAK Marmara Research Center
2003-2006

Amerikan Hastanesi
1996-2003

Baltalimanı Kemik Hastalıkları Hastanesi
2001

In this study, 12 cases of reconstruction the heel and plantar area since 1982 are reviewed. Six nonsensate muscle free flaps six sensate fasciocutaneous were used, respectively. Categories assessed time interval for return to daily living activities, sensation light touch, pinprick, Semmes-Weinstein monofilament test reconstructed sensory evaluation; results pedograms (maximal pressure, pressure distribution, total contact surface). Follow-up periods between 2 14 years, with an average 6...

10.1097/00006534-200002000-00015 article EN Plastic & Reconstructive Surgery 2000-02-01

Despite advances in the surgical treatment of peroneal nerve injuries, a significant fraction patients do not recover adequately. Among 35 who had previous repair nerve, 19 permanent drop foot, and 16 these underwent tibialis posterior (TP) tendon transfer. Mean duration paralysis was 26.7 (range, 7 to 192) months. TP carried anterior compartment via circumtibial route, then attached anterior, extensor hallucis longus, digitorum communis, peroneus tertius tendons using tendon-tendon...

10.1055/s-0028-1103502 article EN Journal of Reconstructive Microsurgery 2008-11-26

Obstetric palsy is the injury of brachial plexus during delivery. Although many infants with plexopathy recover minor or no residual functional deficits, some children don't regain sufficient limb function because limitations, bony deformities and joint contractures. Shoulder most frequently affected internal rotation contracture causing limitation abduction, external rotation. The treatment comprises muscle release procedures such as posterior subscapularis sliding anterior tendon...

10.1186/1471-2474-5-25 article EN cc-by BMC Musculoskeletal Disorders 2004-08-03

Missed fractures, the most common diagnostic error in emergency departments, are usually result of a misread radiograph or failure to obtain radiograph. However, poorly positioned taken may also errors. We sought analyze frequency missed misdiagnosed finger fractures that could be attributed inadequate radiographs.We reviewed medical records hand surgery divisions Istanbul Bilim University Medical Faculty Hospital and Orthopedics Department Private Florence Nightingale between January 2008...

10.1097/ta.0b013e3181f2fd0c article EN Journal of Trauma and Acute Care Surgery 2011-03-04

To point out detailed technical considerations and tactical modifications within the experience of 59 replantations thumb avulsion injuries, to clarify indications replantation, evaluate long-term results.Seventy-two avulsions 510 amputations were treated at our centre between 1986 - 2002. Sixty-two them male 10 female. The average age patients was 27 years. Fifty-nine avulsed thumbs replanted, 13 considered as "not replantable" operated using other reconstructive procedures. Since main goal...

10.1055/s-2007-965399 article EN Handchirurgie · Mikrochirurgie · Plastische Chirurgie 2007-08-01

The surgical management of obstetrical brachial plexus palsy can generally be divided into two groups; early reconstructions in which the or affected nerves are addressed and late palliative residual deformities addressed. Tendon transfers mainstay surgery. Occasionally, surgeons required to utilise already denervated subsequently reinnervated muscles as motors. This study aimed compare outcomes tendon for shoulder dysfunction patients who had undergone nerve surgery not.A total 91 with...

10.1186/1471-2474-12-74 article EN cc-by BMC Musculoskeletal Disorders 2011-04-13

Disorders of elbow extension occur following traumatic or neurologic injuries the triceps muscle. Restoration is an integral part entire upper extremity surgical reconstruction to improve daily activities: bringing down object from above, handwriting, using hand in supine position, steering a wheelchair, driving car, and swimming. The transfer posterior head deltoid muscle (Moberg procedure) biceps (Friedenberg are previously described procedures for functional restoration function. In...

10.1097/01.bth.0000153632.61905.be article EN Techniques in Hand and Upper Extremity Surgery 2005-02-28

Abstract Grain growth kinetics in 0.1 to 2 mol % B O 3 -added ZnO ceramics was studied by using a simplified phenomenological grain equation G n = K 0 · t exp(-Q/RT) together with the physical properties of sintered samples. The samples, prepared conventional processing techniques, were at temperatures between 1050 1250 °C for 1, 2, 3, 5 and 10 hours air. kinetic exponent value (n) activation energy -doped found be 2.8 332 kJ/mol, respectively. By increasing content 1 %, decreased 238 XRD...

10.1515/msp-2015-0029 article EN Materials Science-Poland 2015-06-01

Among various congenital disabilities following birth trauma, brachial plexus palsy has remained one of the most devastating for many years. The debates about physical therapy alone versus surgical intervention, as well proper timing surgery if indicated, are still open. In our institute, palsies with hand involvement and Horner's sign surgically treated at third month age, infants insufficient elbow flexion undergo fifth month. Although early neural reconstruction decreases need future...

10.1055/s-2004-837261 article EN Seminars in Plastic Surgery 2004-01-01

We report outcomes of 17 children with brachial plexus birth palsy that underwent extensor carpi ulnaris to brachioradialis and abductor pollicis longus transfers correct supination ulnar deviation deformity. Mean age at the time surgery was 8.7 years mean follow-up 21 months (8–44). These patients had marked increases in active forearm rotation Canadian Occupational Performance Measure scores. Activity performance score on measure increased from 1.1 6.7 satisfaction 0.8 final follow-up....

10.1177/1753193419867811 article EN Journal of Hand Surgery (European Volume) 2019-08-18

The reverse posterior interosseous artery flap (PIAF) provides soft, thin, and pliable tissue for upper extremity reconstruction without sacrificing any major arteries of the hand. authors performed a new technique that included one extra distally based subcutaneous vein within pedicle to diminish venous insufficiency they aimed present results with this technique.Twelve patients mean age 30 years (range 5-52 years) underwent PIAF surgery. defects were located on hand wrist, area 57.8 cm2...

10.1002/micr.30048 article EN Microsurgery 2016-03-22

The hand is the body part most frequently injured by broken glass. Glass fragments lodged in soft tissues may result numerous complications, such as infection, delayed healing, persistent pain, and late injury a of migration. Between 2005 2010, we removed 46 glass particles from hands 26 patients. injuries were caused following: car windows during motor vehicle accidents 11 patients (42%); glasses, dishes, or bottles 9 (35%); passing through 5 (19%); fragment fluorescent lamp 1 (4%) patient....

10.1097/sap.0b013e3181f211e1 article EN Annals of Plastic Surgery 2011-03-05

Involvement of the upper extremity in cerebral palsy often results a typical pattern spasticity, with elbow flexion, forearm pronation, ulnar deviation and flexion wrist, adduction-flexion posture thumb.Although only relatively small subset patients are candidates for surgery, properly selected procedures yield reasonable improvement.Nonsurgical treatment modalities include physical therapy, orthoses, medications aimed at decreasing spasticity.Surgical options management spastic vary...

10.5152/jarem.2012.13 article EN Journal of Academic Research in Medicine 2012-11-01
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