Serdar Özer
- Head and Neck Surgical Oncology
- Sinusitis and nasal conditions
- Antibiotic Resistance in Bacteria
- Asthma and respiratory diseases
- Nasal Surgery and Airway Studies
- Tracheal and airway disorders
- Oral and Maxillofacial Pathology
- Obstructive Sleep Apnea Research
- Antibiotics Pharmacokinetics and Efficacy
- Pneumonia and Respiratory Infections
- Bone Tumor Diagnosis and Treatments
- Nasolacrimal Duct Obstruction Treatments
- Chronic Obstructive Pulmonary Disease (COPD) Research
- Facial Trauma and Fracture Management
- Dysphagia Assessment and Management
- Neuroscience of respiration and sleep
- Respiratory and Cough-Related Research
- Vascular Malformations and Hemangiomas
- Antibiotic Use and Resistance
- Neutropenia and Cancer Infections
- Drug-Induced Adverse Reactions
- Cutaneous Melanoma Detection and Management
- Nonmelanoma Skin Cancer Studies
- Meningioma and schwannoma management
- Congenital Ear and Nasal Anomalies
Hacettepe University
2015-2025
Hacettepe University Hospital
2014-2025
Atilim University
2024
Dokuz Eylül University
2020-2021
Izmir University
2020
Dr Lütfi Kırdar Kartal Eğitim ve Araştırma Hastanesi
2008-2018
State Hospital
2016
Antalya IVF
2015
Ministry of Health
2011-2015
İstanbul Eğitim ve Araştırma Hastanesi
1999-2015
To evaluate the incidence, risk factors and etiology of nosocomial infections (NIs) in intensive care unit (ICU) our hospital order to improve infection control policies.A 1-year prospective cohort study (NI) surveillance was conducted ICU 2008.Out 1134 patients hospitalized for a period 6257 days, 115 acquired total 135 NIs distributed as follows: 36.3% bacteremia, 30.4% ventilator-associated pneumonia (VAP), 18.5% catheter-associated urinary tract infection, 7.4% central-line 5.9%...
We aimed to investigate the predictors for limb loss among patients with diabetes who have complicated skin/soft-tissue infections. In this observational study, consecutive diabetic foot infection (DFI) from 17 centres in Turkey, between May 2011 and 2013 were included. The Turkish DFI Working Group performed study. Predictors of investigated by multivariate analysis. total, 455 Median age was 61 years, 68% male, 65% hospitalized, 52% had used antibiotics within last month, 121 (27%)...
To compare responses to tenofovir (TDF) and entecavir (ETV) therapy.This was a multicenter retrospective study including treatment-naïve patients with chronic hepatitis B (CHB) who received TDF or ETV. The primary end-points were undetectable HBV-DNA at 48 weeks serological biochemical responses.Out of 195 CHB patients, 90 (46%) 105 (54%) ETV; 72% male, their mean age 43±12 years, the duration treatment 30.2±15.7 months. Hepatitis e antigen (HBeAg) seropositivity 32% in group 34% ETV group....
National data on asthma characteristics and the factors associated with uncontrolled seem to be necessary for every country. For this purpose, we developed Turkish Adult Asthma Registry patients aiming take a snapshot of our patients, thereby assigning unmet needs niche areas intervention.Case entries were performed between March 2018 2022. A web-based application was used record data. Study outcomes demographic features, disease characteristics, control levels, phenotypes.The registry...
Ecthyma gangrenosum is known as a characteristic lesion of Pseudomonas aeruginosa sepsis and usually seen in immunocompromised patients. A previously healthy 63-year-old man was admitted with sloughy necrotic ulcerations the skin over his sternum. He afebrile good condition. biopsy revealed ecthyma gangrenosum. Blood cultures remained sterile, but culture material grew aeruginosa. may develop even absence bacteremia immunocompetent It should be considered possible diagnosis when patient has...
<h3>Importance</h3> Total arytenoidectomy is claimed to increase risk of aspiration and cause more voice loss than other operations performed for bilateral abductor vocal fold paralysis (BVFP). However, objective evidence such a conclusion lacking. There no study comparing swallowing after total partial arytenoidectomy. <h3>Objective</h3> To compare parameters endoscopic BVFP. <h3>Design, Setting, Participants</h3> In this prospective, randomized, double-blind, case-control conducted at...
Abstract Background The current study presents the effort of a global collaborative group to review management and outcomes malignant tumors skull base worldwide. Patients methods A total 28 institutions contributed data on 3061 patients. Analysis evaluated clinical variables, survival outcomes, multivariable factors associated with outcomes. Results median age was 56 years (IQR 44–67). open surgical approach used in 55% ( n = 1680) cases, endoscopic resection performed 36% 1087), combined...
Montelukast, a leukotriene receptor antagonist (LTRA) approved for the treatment of asthma and allergic rhinitis, is widely used, though real-world data on its application in management remain limited. This registry-based study evaluated use montelukast adult patients, examining demographic disease characteristics, control status, phenotypes, presence atopy, regimens. Among 2053 patients analyzed, 61.76% (n = 1268; mean age: 46.2 ± 14.3 years), predominantly females (~76%), received...
<title>Abstract</title> <bold>Background:</bold> ChatGPT is a new artificial intelligence model designed to create human-like chat. As result of advancing knowledge and technological improvements, it promising in the field medicine, especially as resource that patients clinicians can apply.<bold>Objective:</bold> The aim our study measure accuracy consistency ChatGPT's answers questions rhinology.<bold>Methods:</bold> In March 2024, (ChatGPT version 4) was presented with 130 rhinology. Each...
Abstract Background Asthma is one of the most common causes chronic respiratory disease, and countries with low socioeconomic status have both a high prevalence asthma asthma‐related death. Objective In this study, we aimed to determine levels asthmatic patients according national database investigate effects social markers on disease control in our region. Methods This an analysis data from 2053 adult multicentre chart study Turkey. Socioeconomic (SES) were collected questionnaires form was...
Objective The obese-asthma phenotype has gradually increased in the last few years. We aimed to assess differences between obese and non-obese patients with asthma.
Aim: The aim of this retrospective study is to describe our experiences cerebrospinal fluid (CSF) rhinorrhea and assess success rate fascia lata temporal repairing the skull base defects Material Methods: Patients with CSF managed by department otolaryngology from 2007 2021 were included. Demographic information, site leak, etiology, body mass index (BMI), surgical approach, graft material, any recurrence leak patients was collected. Results: Out 66 included in study, 25 male 41 female...
Considerable overlaps exist between asthma phenotypes and the clinical significance of these remains undetermined. The objective this study is to analyze characteristics overlap using data from Turkish Adult Asthma Registry (TAAR). This cross-sectional registry included 2053 adult patients (74.8% female) with asthma. Overall, 39.3% (n = 697) had allergic-eosinophilic (AE), 26.0% 461) allergic-non-eosinophilic (ANE), 21.3% 377) non-allergic-eosinophilic (NAE), 13.4% 237)...
Abstract Objectives It is aimed to assess how physicians use chest imaging in asthma and the relationship between pathological findings related disease characteristics radiological of asthmatic patients. Background The daily practice its contribution management are not well defined. common investigate pathologies that cause respiratory symptoms evaluate differential diagnoses In this study, as a subanalysis Turkish Adult Asthma Registry, outcomes patients were examined. Methods Between March...
This single-centre study was undertaken to review our experience with implantable cardioverter-defibrillator (ICD) implantation in children relatively different aetiologies.We retrospectively reviewed the records of paediatric patients who underwent ICD between October 2001 and December 2008. The data these were collected by reviewing patients' medical computerized departmental pacemaker databases. A total 28 during this period included study. median age 12 years weight 32 kg. Most had...
Conclusion: Preoperative chemoradiotherapy (CRT) was associated with a significantly higher rate of pharyngocutaneous fistula (PCF). Objective: PCF is the most frequent complication following total laryngectomy. Although organ-preserving radiotherapy (RT) or CRT offer good locoregional control, many patients still require salvage The aim this study to evaluate factors that predispose PCF, focus on preoperative RT, induction chemotherapy (ICT), and CRT. Methods: This retrospective case...
To compare the success and complication rates, duration of surgeries clinical comfort after endoscopic dacryocystorhinostomy (END-DCR) or external (EXT-DCR).Fifty patients who underwent EXT- END-DCR between January 2010-2012 were involved in study. A questionnaire was applied to preoperatively, postoperatively. Subjective defined by absence epiphora, objective a normal nasolacrimal lavage positive functional dye test (FEDT). Postoperative pain cosmetic result surgery interpreted patients,...
Pseudomonas aeruginosa is the third most common pathogen responsible for nosocomial infections and prevalence of multiple resistant isolates has been increasing. Ninety-nine clinical were studied in order to assess current levels susceptibility cross-resistances widely used antipseudomonal antibiotics against P. determine some resistance mechanisms by phenotypic methods.MICs nine determined E test method.Thirty-six percent more than one group antibiotics. The rates susceptible ciprofloxacin...
Abstract Aim The present study aims to determine how transvaginal ultrasonography and histopathological examination findings are correlated in a cohort of premenopausal postmenopausal Turkish women with abnormal uterine bleeding. Methods This is retrospective review 350 who underwent suction curettage as result Results Sonographic appearance the endometrium was normal 244 patients (69.7%), while homogeneous thickening detected 47 (13.4%) cystic 21 (6.0%). A sonographic diagnosis endometrial...
In our study we evaluated the Quantiferon-TB Gold (QFT-G) test and compared it with tuberculin skin (TST) positivity in 44 pulmonary 21 extrapulmonary tuberculosis cases whom active infection was suspected on clinical, microbiologic radiologic grounds. QFT-G 75% 76.2% tuberculosis. TST 68.2 62%, respectively. Although higher than positivity, difference statistically insignificant (P = 0.77). Similar to TST, is one of supplementary diagnostic tests for disease latent infection. Its advantage...
This study aimed to present the clinical features and surgical outcomes of juvenile nasopharyngeal angiofibroma patients who were surgically treated.The medical records 48 male histologically confirmed as having angiofibroma, underwent transnasal endoscopic surgery between 2005 2016, retrospectively reviewed.The overall recurrence rate was 20.8 per cent; however, differed significantly diagnosed aged less than 14 years (34.7 cent) more (8 (p < 0.05). Advanced-stage tumours (Radkowski stage...