Publications by authors named "Ozgur Demir"

Objective: Non-functioning pituitary adenomas (NFPAs) are a group of hormonally inactive adenomas. The aim of this study was to investigate the possible effects of NFPAs on pregnancy.

Material And Methods: Thirty patients with NFPAs and without hormone deficiency or excess were included.

View Article and Find Full Text PDF

Purpose: Case reports of subacute thyroiditis (SAT) following coronavirus disease-19 (COVID-19) have been reported. Because the relationship between SAT and human leucocyte antigen (HLA) alleles is known, we aimed to determine HLA alleles that may predispose a patient to coronavirus infection and/or post-COVID-19 SAT.

Method: This retrospective study was conducted in 51 patients with SAT and 190 healthy bone marrow donor volunteers.

View Article and Find Full Text PDF
Article Synopsis
  • The study aimed to investigate dermatological lesions linked with chronic itching (pruritus) in patients with type 1 and type 2 diabetes mellitus (DM) who visited a clinic.
  • Out of 249 patients, 30.9% reported experiencing pruritus, and this group showed significantly higher rates of various complications like neuropathy and retinopathy compared to those without pruritus.
  • Common skin issues found included xerosis (dry skin) and fungal infections, highlighting that chronic itching in diabetics may relate to poor health management and could warrant reevaluation of their medications.
View Article and Find Full Text PDF
Article Synopsis
  • The study aimed to explore skin changes in patients with acromegaly, a condition often revealed through dermatological symptoms, and examine how these changes relate to disease remission and other hormonal disorders.
  • Involving 278 acromegaly patients across 14 healthcare centers, dermatological evaluations revealed common skin conditions like skin tags (52.5%), cherry angiomas (47.4%), and varicose veins (33%).
  • Significant associations were found between certain skin conditions and hormonal issues, such as higher rates of diabetes and hypothyroidism in patients with varicose veins, while hypertrichosis was more common in patients who had not achieved remission.
View Article and Find Full Text PDF
Article Synopsis
  • This study aimed to investigate the role of human leukocyte antigens (HLA) in the recurrence and development of subacute thyroiditis (SAT) within the Turkish population, involving 51 SAT patients and 720 healthy volunteers.
  • Various HLA alleles were genotyped, revealing certain subtypes significantly associated with increased risk of developing SAT and distinguishing between relapsing and non-relapsing cases.
  • The findings suggest that specific HLA subtypes, including some identified as risk factors, could influence both the likelihood of SAT recurrence and its overall susceptibility in individuals.
View Article and Find Full Text PDF

Aims: The aim of this study was to determine the malignant potential of thyroid nodules with macrocalcifications and to evaluate the role of other sonographic findings in the diagnosis of malignancy in thyroid nodules besides macrocalcifications.

Methods: The findings of 8250 patients who applied to our outpatient clinic and underwent thyroid ultrasonography(US) between 2008 and 2021 were retrospectively reviewed. We included a total of 296 patients with 296 macrocalcified nodules (macrocalcification group) and an age- and sex matched group of 300 patients (control group) with the cytopathologic and/or histopathologic data of fine-needle aspiration biopsy (FNAB) of thyroid nodules without calcification.

View Article and Find Full Text PDF

Objective: Fabry disease is a rare hereditary lysosomal storage disease caused by the deficiency of alpha-galactosidase A (α-GLA). Although sensorineural hearing loss is common in Fabry disease, there are no studies in the literature that have screened a population with sensorineural hearing loss for Fabry disease. In this study, we aimed to screen a group of patients who were diagnosed with sensorineural hearing loss and underwent a hearing test for Fabry disease.

View Article and Find Full Text PDF

Purpose: Asymptomatic pyuria and bacteriuria are more prevalent in diabetic patients and may be associated with urinary tract infection (UTI). The aim of this study is to investigate the association between asymptomatic pyuria/bacteriuria at the initiation of SGLT2 inhibitor and UTI risk in female patients with type 2 diabetes.

Methods: The study was designed as a practical, single-center, prospective, cohort study.

View Article and Find Full Text PDF

Background: Sexual dysfunction may indicate severe endocrine diseases. Recent research has suggested a link between hypothyroidism, low testosterone (T) levels, and erectile dysfunction (ED); however, the exact cause is unknown.

Aim: We sought to investigate possible beneficial effects of levothyroxine and T alone or in combination on ED in propylthiouracil (PTU)-induced hypothyroid rats.

View Article and Find Full Text PDF

Objectives: To evaluate the diagnostic performance of F-dihydroxyphenylalanine (FDOPA) positron emission tomography/computed tomography (PET/CT) in the detection of medullary thyroid carcinoma (MTC) recurrence in patients with elevated calcitonin levels.

Methods: The patients who had undergone F-FDOPA PET/CT imaging for elevated calcitonin levels after primary surgery of MTC were included in the study. addition, if available F-fluorodeoxyglucose (FDG) PET/CT and Gallium-68 (Ga)- DOTATATE PET/CT images of the patients were evaluated retrospectively.

View Article and Find Full Text PDF

Aim: To show the effectiveness of minimally invasive surgery with external ventricular drainage systems (EVDS) in the treatment of chronic subdural hematomas by comparing with it with classic surgery with closed drainage system (CDS) with intracranial hematoma volume measurements and predict infection risks by comparing two different surgeries with each other with intracranial air volume measurements.

Material And Methods: From 2014 to 2020, the data of 28 patients with chronic subdural hematoma who underwent surgeries two large burr holes, saline irrigation, and CDS or one small burr hole, no saline irrigation, and EVDS were retrospectively who had preoperative computed tomography (CT) postoperative 1st-3rd day CT, and postoperative 7th-10th day CT were included in the study. Pre- and postoperative subdural liquid collection volumes and postoperative intracranial air volumes were measured using Sectra Medical Workstation.

View Article and Find Full Text PDF

Objectives: To investigate the effect of thoracolumbar interfacial plane block (TLIP) on analgesic consumption and pain score in vertebral surgery.

Methods: All patients (64 patients undergoing vertebral surgery) were randomly allocated as Group T (patients with block, n=32) and Group C (patients without block, n=32). After surgery, patient-controlled analgesia using tramadol was administered to all patients.

View Article and Find Full Text PDF

Background/aim: Calcitonin level in fine-needle aspirate washout fluid (Ct-FNA) was extensively studied for thyroid nodules and lymph nodes (LN). However, the data was scarce for neck recurrences/metastases of medullary thyroid cancer (MTC). Thus, the diagnostic accuracy of Ct-FNA and cytology in the detection of neck LN metastases of recurrent MTC cases were assessed.

View Article and Find Full Text PDF

Objectives: Although metabolically healthy obesity (MHO) has begun to be seen as a being benign phenomenon, this conclusion is still not completely certain. Obesity is also associated with low-grade systemic inflammation and endothelial dysfunction. Thus, we aimed to assess Pulse Wave Velocity (PWV) as a marker of arterial stiffness and CV risk among individuals with MHO, metabolically unhealthy obesity (MUO), and metabolically healthy normal-weight (MHN).

View Article and Find Full Text PDF

Background: Riedel thyroiditis (RT) is a rare form of thyroiditis; thus, data about the disease course and treatment options are limited. Therefore, we aimed to assess the clinical, serological, radiological, and histopathological features, as well as short- and long-term follow-up of RT patients under glucocorticoid (GC) and tamoxifen citrate (TMX). Parameters related to IgG4-related diseases (IgG4-RD) were also investigated.

View Article and Find Full Text PDF

Background: Iodine uptake is a main factor affecting thyroid disease. In Turkey, mandatory salt iodization began in 1999-2000.

Aims: This study in 2009 determined the prevalence of thyroid diseases in older people in Mamak district, Ankara after iodization to ascertain if salt iodization alone is sufficient to reach adequate iodine levels in the older population.

View Article and Find Full Text PDF

The influence of chronic lymphocytic thyroiditis (CLT) on clinicopathological features and behavior of differentiated thyroid carcinoma (DTC) is still debated. In the present study, we aimed to evaluate the prognosis of DTC on the presence of CLT. A total of 649 total thyroidectomized patients (379 female, 270 male) with DTC, who had follow-up data for at least 36 months were included.

View Article and Find Full Text PDF

Objective: This study aimed to evaluate the effects of different surface conditoning methods on surface texture and shear bond strength (SBS) of brackets bonded to resin nanoceramic material.

Methods: Ceramic specimens were divided into two groups as metal brackets and ceramic brackets. In each group, the following five subgroups were conditoned with orthophosphoric acid (OPA), hydrofluoric acid (HFA), silica coating with Cojet, Nd: Yag laser, and Femtosecond (Fs) laser.

View Article and Find Full Text PDF

Objectives: To describe biochemical and clinical features, and therapeutic outcomes of acromegaly patients in Turkey.

Methods: Retrospective multicenter epidemiological study of 547 patients followed in 10 centers of the Turkish Acromegaly registry.

Results: A total of 547 acromegaly patients (55% female) with a median age of 41 was included in this study.

View Article and Find Full Text PDF

Background: This study was designed to detect the potential association of a nonfunctional adrenal incidentaloma (NFAI) with insulin resistance and associated metabolic disturbances, with a subsequent increase in cardiovascular risk factors.

Methods: Eighty-three NFAI patients and 56 volunteers (controls) without any adrenal abnormalities on computed tomography (CT) were included. Fasting blood glucose (FBG), fasting insulin, lipid profiles, uric acid, homocysteine, fibrinogen, high sensitivity C-reactive protein (hs-CRP), and adiponectin levels were measured in both groups.

View Article and Find Full Text PDF

Background: Diagnostic accuracy of fine-needle aspiration cytology (FNAC) in large and subcentimeter nodules is still debated. We aimed to evaluate the impact of nodule size on efficacy of the ultrasound-guided FNAC.

Methods: B-mode grayscale ultrasound (US), US-guided FNAC according to Bethesda system and histopathological data of 514 nodules from 371 patients, who underwent thyroidectomy were examined retrospectively.

View Article and Find Full Text PDF

Aim: To investigate the patients who underwent decompressive craniectomy (DC) for trauma or cerebrovascular disease, and to determine the most suitable treatment protocol for those patients.

Material And Methods: Overall, 32 patients with trauma or cerebrovascular disease underwent DC. Clinical, radiological and surgical data of surviving patients was retrospectively analysed.

View Article and Find Full Text PDF

Aim: To evaluate the usefulness of bone scintigraphy in spinal fusion surgery.

Material And Methods: This retrospective study included 21 patients who had undergone previous anterior or posterior spinal fusion procedures, or both. Implant failure, fusion failure and adjacent segment disease were the evaluated pathological parameters.

View Article and Find Full Text PDF

Introduction: Incidental thyroid cancers are frequently detected in patients operated on for Graves' disease (GD). There are no clear data about the incidence and risk factors of incidental thyroid cancer in operated GD patients. The aim of this study is to evaluate the risk of thyroid carcinoma in surgically treated GD patients.

View Article and Find Full Text PDF

Objective: Clinical manifestations of Graves' ophthalmopathy (GO) are caused by the overcompression of orbital tissues within the restricted orbital bone cavity. Impaired ocular blood flow may disrupt the retinal microstructure and functions. In this study, we aimed to investigate the macular and choroidal thickness changes in GO compared with healthy subjects.

View Article and Find Full Text PDF

A PHP Error was encountered

Severity: Warning

Message: fopen(/var/lib/php/sessions/ci_session3jvscr83lqlvuo8httklr6iguul1ft8p): Failed to open stream: No space left on device

Filename: drivers/Session_files_driver.php

Line Number: 177

Backtrace:

File: /var/www/html/index.php
Line: 316
Function: require_once

A PHP Error was encountered

Severity: Warning

Message: session_start(): Failed to read session data: user (path: /var/lib/php/sessions)

Filename: Session/Session.php

Line Number: 137

Backtrace:

File: /var/www/html/index.php
Line: 316
Function: require_once