Afra Alkan

ORCID: 0000-0002-9734-4138
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About
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Research Areas
  • Thyroid Cancer Diagnosis and Treatment
  • Head and Neck Anomalies
  • Thyroid and Parathyroid Surgery
  • Radiomics and Machine Learning in Medical Imaging
  • Thyroid Disorders and Treatments
  • Maternal and Perinatal Health Interventions
  • Parathyroid Disorders and Treatments
  • Ultrasound Imaging and Elastography
  • Dental Research and COVID-19
  • Lower Extremity Biomechanics and Pathologies
  • Global Maternal and Child Health
  • Maternal and fetal healthcare
  • Neuroendocrine Tumor Research Advances
  • Pelvic floor disorders treatments
  • Celiac Disease Research and Management
  • Sarcoma Diagnosis and Treatment
  • Pancreatic and Hepatic Oncology Research
  • Menstrual Health and Disorders
  • Temporomandibular Joint Disorders
  • Cardiovascular Function and Risk Factors
  • Scoliosis diagnosis and treatment
  • Ultrasound and Hyperthermia Applications
  • Foot and Ankle Surgery
  • Psychometric Methodologies and Testing
  • Orthodontics and Dentofacial Orthopedics

Ankara Yıldırım Beyazıt University
2015-2024

Jewish General Hospital
2024

McGill University
2024

Gazi University
2019

Dışkapı Yıldırım Beyazıt Eğitim ve Araştırma Hastanesi
2019

Creative Commons
2019

Dr Sami Ulus Çocuk Sağlığı ve Hastalıkları Eğitim ve Araştırma Hastanesi
2019

Ministry of Health
2017

Zeynep Kamil Hospital
2008

Istanbul Technical University
2003

Background and aim: Although mirror therapy (MT) phantom exercises (PE) have been shown to reduce pain, the efficacy of these methods in terms quality life (QoL) psychological status (PS) has not investigated compared date. The aim this study was determine whether there is any difference between MT PE treatment limb pain (PLP). Materials methods: Forty unilateral transtibial amputees (aged 18-45 YR) participated study. Subjects were randomly divided into ‘MT group’ ‘PE group’. QoL assessed...

10.3906/sag-1712-166 article EN TURKISH JOURNAL OF MEDICAL SCIENCES 2019-01-17

Objective:To analyze maternal deaths in Turkey due to hypertensive disorders. Material and Methods:In this retrospective study 812 were analyzed.Maternal demographic features, presence of antenatal care, medical obstetric history, mode delivery, use emergency antihypertensive therapy recorded.The delay model for each case was investigated.Results: Hypertensive disorders accounted 15.5% (n=126) out all mortality.They the third most frequent cause among causes 2 nd direct deaths.Sixty-one...

10.4274/jtgga.2016.0244 article EN Journal of the Turkish-German Gynecological Association 2017-01-20

Thyroid Imaging Reporting and Data System (TIRADS) is a simple reliable reporting system for the prediction of malignancy. We aimed to determine role TIRADS in malignancy subcategories Bethesda Category III, atypia undetermined significance (AUS) follicular lesion (FLUS).A total 461 nodules with AUS cytology 450 patients 179 FLUS 168 were included. Ultrasonography (US) features postoperative histopathology results documented. Every suspicious US feature was scored as 1 0 according presence...

10.1111/cen.13274 article EN Clinical Endocrinology 2016-11-07

Background/aim: The Foot Function Index (FFI) is a valid, reliable, and widely used self-reported questionnaire for the foot. purpose of this study was to provide evidence validity reliability Turkish version FFI (FFI-TR) among patients with foot disorders such as plantar fasciitis, hallux valgus, pes planus, hammertoe deformities. Materials methods: One hundred fifty-nine were enrolled. psychometric properties previously translated adapted FFI-TR assessed. internal consistency test-retest...

10.3906/sag-1705-143 article EN TURKISH JOURNAL OF MEDICAL SCIENCES 2018-06-14

Abstract Background Information on the current status of oral health and related risk factors is lacking in Turkiye. This study aimed to evaluate dental caries associated among Turkish population using findings third national survey. Methods cross‐sectional epidemiological survey was carried out between March September 2018 including five index ages age groups (5‐, 12‐, 15‐year‐olds, 35–44 65–74 groups). A multistage cluster sampling design used obtain a representative sample these groups....

10.1111/cdoe.12943 article EN cc-by-nc-nd Community Dentistry And Oral Epidemiology 2024-01-18

Abstract It is stated that parental psychological control (PC), which appears to hinder development in children and adolescents, associated with internet gaming disorder (IGD). However, parenting styles practices vary across cultures. For this reason, determine the risk of IGD adolescents who are process prevent it at an early stage, there a need better understand effect PC on IGD. In context, study aims examine impact perceived Internet Turkish adolescents. A cross-sectional design was...

10.1007/s12144-024-05951-4 article EN cc-by Current Psychology 2024-04-18

Objectives: The etiology of multiple myeloma (MM) is not exactly known. This study investigated the role thiol/disulfide homeostasis in etiopathogenesis MM.Methods: Some 50 patients with MM (aged 39–84 years) and sex-matched healthy volunteer controls 50–91 participated this study. Venous blood samples were collected, levels native thiols, total disulfide measured.Results: Native thiol control group determined to be higher than patient groups (P<0.001). Disulfide found newly diagnosed...

10.1080/13510002.2016.1180100 article EN Redox Report 2016-05-19

Crohn's disease (CD) is characterised by chronic gastrointestinal inflammation with relapsing-remitting behaviour and often requires endoscopic and/or radiologic assessment.The objective of this study was to compare the diagnostic accuracy intestinal ultrasound (IUS) magnetic resonance enterography (MRE) for assessment activity in CD using a simple score as reference standard.A prospective observational carried out 71 consecutive adult patients known CD, attending our tertiary inflammatory...

10.1097/meg.0000000000001438 article EN European Journal of Gastroenterology & Hepatology 2019-05-16

Structured Abstract Objects To investigate the effects of curcumin (CUR) and melatonin (MEL) on new bone formation following rapid maxillary expansion (RME) in rats. Setting Sample Population For this study, 24 12‐week‐old adult male Wistar albino rats from Animal Laboratory at Adnan Menderes University, Faculty Medicine, were used. Materials Methods The randomly divided into 3 groups (n = 8 each): only (OE), plus MEL CUR (CUR). given to during study period. After sacrifice animals,...

10.1111/ocr.12232 article EN Orthodontics and Craniofacial Research 2018-06-21

ABSTRACT Objectives: To evaluate the Interleukin-4 (IL-4), bone-specific alkaline phosphatase (BALP), and C-telopeptide of type I collagen (CTX-I) levels in peri-miniscrew crevicular fluid (PMCF) during orthodontic tooth movement between 75 150 g distalization force. Materials Methods: Thirty miniscrews were placed bilaterally maxillary second premolars first molars. The right left canines moved distally using either or PMCF samples collected before loading (T0); at 2 hours (T1) 24 (T2)...

10.2319/071718-520.1 article EN publisher-specific-oa The Angle Orthodontist 2019-02-07

A disintegrin-like and metalloproteinase domain with thrombospondin-type 1 motifs (ADAMTS) protein superfamily includes 19 secreted metalloproteases. Proteolytic substrates of ADAMTS enzymes have been linked to reproductive function. The aim this study was investigate serum ADAMTS-3, -13, -16, -19 levels in women habitual abortions compared those healthy controls. total 86 were enrolled prospective case-control study. values recorded analyzed association demographic clinical parameters....

10.1016/j.kjms.2016.10.010 article EN cc-by-nc-nd The Kaohsiung Journal of Medical Sciences 2016-12-20

What is already known on this topic? study adds?Objective: In studies the relationship between amino-terminal propeptide of C-type natriuretic peptide (NT-proCNP) concentration and height velocity in children, CNP has been implicated as an emerging new growth marker during childhood.It reported that besides its well-studied role growth, plasma levels are reduced overweight and/or obese adolescents, suggesting a potential biomarker childhood obesity.The primary goal was to test hypothesis...

10.4274/jcrpe.4543 article EN cc-by-nc-nd Journal of Clinical Research in Pediatric Endocrinology 2017-07-24

Antiphospholipid syndrome, uterine anomalies, and chromosomal aberrations are identifiable causes of recurrent pregnancy loss (RPL). Herein, our aim is to investigate the relationship between celiac disease (CD) specific antitransglutaminase antibodies (ATA) unexplained RPL.This was a cross sectional case-control study conducted on 86 women (45 RPL 41 controls) in tertiary level maternity hospital. Elisa kit used determine ATA IgA IgG levels.One (2.2%) patient with positivity present group....

10.1080/15513815.2017.1346018 article EN Fetal and Pediatric Pathology 2017-09-03

A prospective case-control study was carried out to assess the value of elastosonography in identifying endometrial pathology women using Tamoxifen (TAM) for breast cancer.In total, 66 TAM cancer were enrolled with 61 premenopausal and postmenopausal healthy controls. Ultrasonographic findings (strain ratio, thickness) evaluated regard duration usage, histopathological findings, menopausal status.Patients (EC) cystic hyperplasia (CEH) found have longer increased thickness, higher strain...

10.4103/njcp.njcp_387_16 article EN Nigerian Journal of Clinical Practice 2019-01-01

Germ cell tumor (GCT) is a rare malignancy accounting for 2-3% of all pediatric tumors. The overall survival rate children and adolescents with GCT more than 80% after adopting combined therapy. aim this study to review clinical presentation, management, outcome in single-center series extracranial GCT. Clinical characteristics, pathologic presentations, outcomes 101 GCT, treated at our hospital from 1988 2011, were analyzed. Sixty-two patients female 39 them male. Fifty-eight (57%) had...

10.24953/turkjped.2017.04.007 article EN The Turkish Journal of Pediatrics 2017-08-25
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