Hakan Avcı

ORCID: 0000-0003-0703-4978
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About
Contact & Profiles
Research Areas
  • Oral and Maxillofacial Pathology
  • Head and Neck Surgical Oncology
  • Ear and Head Tumors
  • Hearing, Cochlea, Tinnitus, Genetics
  • Long-Term Effects of COVID-19
  • Nasal Surgery and Airway Studies
  • Vestibular and auditory disorders
  • DNA Repair Mechanisms
  • Infection Control and Ventilation
  • Bone Tumor Diagnosis and Treatments
  • Ear Surgery and Otitis Media
  • Sinusitis and nasal conditions
  • Hearing Loss and Rehabilitation
  • Salivary Gland Tumors Diagnosis and Treatment
  • Olfactory and Sensory Function Studies
  • COVID-19 Clinical Research Studies
  • Cystic Fibrosis Research Advances
  • Intraperitoneal and Appendiceal Malignancies
  • Peripheral Nerve Disorders
  • Dermatological and COVID-19 studies
  • Voice and Speech Disorders
  • Genetics and Neurodevelopmental Disorders
  • Head and Neck Cancer Studies
  • Gastrointestinal Tumor Research and Treatment
  • Family and Patient Care in Intensive Care Units

Dr Lütfi Kırdar Kartal Eğitim ve Araştırma Hastanesi
2018-2021

Sivas State Hospital
2021

Sağlık Bilimleri Üniversitesi
2020-2021

İstanbul Nişantaşı Üniversitesi
2021

University of Health Science
2020

Istanbul University
2016-2019

A study was carried out to evaluate the relationship between anosmia and hospital admission in coronavirus disease 2019 patients.

10.1017/s0022215120001851 article EN cc-by The Journal of Laryngology & Otology 2020-08-01

To evaluate the otolaryngology-specific symptoms that occur after receiving Covid-19 vaccine and its possible side effects in patients who had infection last 6 months before vaccination.The study comprised 3383 health care workers were vaccinated against Covid 19. After excluding, was conducted with 1710 (51%) participants agreed to answer questions. The divided into 2 groups according history of positivity vaccination. presence related otolaryngology practice, including cough, nasal...

10.1177/01455613211028493 article EN cc-by-nc Ear Nose & Throat Journal 2021-07-08

To determine the benefit of a routine plain radiography (X-ray) for confirming optimal electrode position in cochlear implant surgery.In total, 245 patients (135 males and 111 females) who underwent implantation single tertiary referral center were included this study. Postoperative X-ray findings electrophysiological tests retrospectively analyzed.The mean age was 11.4±14.6 years (range, 1-70 years). Overall, 196 (80%) pediatric (age, <18 years) 49 (20%) adults >18 The rotation arrays...

10.5152/iao.2018.4252 article EN cc-by-nc The Journal of International Advanced Otology 2018-06-11

Objective: The aim of this study is to research the correlation between pharyngeal mucosal suture techniques and pharyngocutaneous fistula (PCF) development after total laryngectomy. We also aimed investigate other risk factor for development. Methods: Medical charts 85 patients who had laryngectomy during August 2016 February 2020 were reviewed. Sixteen excluded due exclusion criteria. Patients grouped according technique. Group 1 modified continuous Connell group 2 interrupted submucosal...

10.1177/0145561320938918 article EN cc-by-nc Ear Nose & Throat Journal 2020-07-23

Nasal chondromesenchymal hamartoma (NCMH) is a rare nasal benign tumor, which arises from the cavity or paranasal sinuses. In this article, we present five-year-old male patient with rhabdomyosarcoma unity in remission that emerged obstruction. Synchronous diagnosis of pediatric tumors such as pleuropulmonary blastoma literature remarkable finding. We found mass within left originating superior portion septum, extending to olfactory cleft and resected all tumor via endoscopic surgical...

10.5606/kbbihtisas.2016.70852 article EN The Turkish Journal of Ear Nose and Throat 2016-11-18

Mucocele is benign, slow-growing, mucous-filled cystic lesions that arise in the paranasal sinuses. It causes progressive distension of bony walls and induces compressive symptoms. Surgical treatment sinus mucoceles includes endoscopic approach or external approach. The authors report a patient frontal mucocele who presented with history unilateral protrusion. Computed tomography scan revealed large orbital extension on same side. He was successfully treated marsupialization without any...

10.1097/scs.0000000000004411 article EN Journal of Craniofacial Surgery 2018-02-28

Oral cavity cancers have anatomically a big part of the body system and include several types cancer. The aim study is to investigate relation between XPG XPD gene variants in DNA repair oral squamous cell cancers. A total 111 patients with pathologic diagnosis carcinoma control group 148 healthy volunteers who presented Istanbul Faculty Medicine, Department Otolaryngology &amp; Head Neck Surgery Dentistry were included study. Isolation was achieved using an Invitrogen Purelink Genomic Kit....

10.14715/cmb/2017.64.15.16 article EN Cellular and Molecular Biology 2018-12-31

This study aimed to conduct a evaluate the relation between otolaryngology-specific symptoms and computed tomography findings in ambulatory care COVID-19 patients.The was conducted with medical records of 987 (82%) patients confirmed virus via real-time reverse transcription-polymerase chain reaction March 11, 2020, April 21, 2020. Patients were divided into 2 groups as (CT)-negative CT-positive considering presence CT depicting disease.The mean age significantly higher group than...

10.1177/0145561320975508 article EN cc-by-nc Ear Nose & Throat Journal 2020-12-04

To investigate rhinology-related malpractice claims with the aim of optimising safe practice.The database National Institute Forensic Medicine was reviewed. In total, 241 otorhinolaryngology case reports dating from 2005 to 2012 were evaluated, and 83 cases related rhinology treatments separated.There no significant difference between number male (n = 42) female 41) claimants. The mean patient age 32.07 ± 10.53 years (range, 10-75 years). Seventy-nine involved surgical treatment in...

10.1017/s0022215116008677 article EN The Journal of Laryngology & Otology 2016-08-30

This study aims to investigate the preoperative, postoperative airway hearing threshold levels, and perforation closure rates in patients who underwent primary tragal cartilage tympanoplasty. One hundred seventy-one had chronic otitis media without cholesteatoma tympanoplasty with endaural approach by using underlay technique. Preoperative levels at 500, 1000, 2000, 4000 Hz frequencies 8 99 months' follow-up were found compared each other. Postoperative also investigated. At 500 112...

10.1097/scs.0000000000003958 article EN Journal of Craniofacial Surgery 2017-09-21

Objective: This study aims to calculate the medical costs of Covid-19 patients for hospitals based on severity clinical care. Design: The was conducted in a hospital Istanbul/Turkey. A micro-costing approach performed using historical cost data one year. All direct and indirect inputs were determined quantities monetary values four types hospital. Results: analysis calculated unit an outpatient be 459,99 ₺, while per day inpatient 1.184,63 non-intubated intensive care 1.938,11, intubated...

10.24083/apjhm.v16i4.1167 article EN cc-by-nc Asia Pacific Journal of Health Management 2021-12-13

Oral squamous cell carcinoma (OSCC) is one of the most widespread cancer types that arise from different sites oral cavity and has a 5-year survival rate. This study aimed at investigating human oxoguanine glycosylase 1 (hOGG1)-Ser326Cys APE-Asp148Glu polymorphisms DNA repair genes in OSCC.We investigated hOGG1-Ser326Cys cavity. Genotyping was conducted using polymerase chain reaction-restriction fragment length polymorphism analysis based on 132 patients who were diagnosed as having OSCC...

10.1159/000466702 article EN Pathobiology 2017-01-01

Abstract Osteoblastoma is a benign bone tumor with slow growing and local aggressive nature. This type usually localized in the cervical vertebra rarely involves laryngeal cartilage structures. Very few osteoblastoma cases have been reported literature. Here we present originating from arytenoid patient history of cordectomy due to glottic squamous cell carcinoma.

10.1097/scs.0000000000006878 article EN Journal of Craniofacial Surgery 2020-09-01

Objective:The novel Coronavirus disease 2019 is a world-wide spreading emerged with increased perceived danger, uncertainty, and anxiety.In this study we aimed to conduct survey evaluating attitudes of the patients who underwent rhinoplasty.Methods: An online form was sent have undergone rhinoplasty in last year.The conducted between dates 1-7 April 2020.All participants were asked fill within one week. Results:The link 201 patients.A total 165 (82%) completed questionnaire.The majority...

10.14744/scie.2020.20438 article EN cc-by-nc Southern Clinics of Istanbul Eurasia 2020-01-01

Cystic fibrosis (CF) is an autosomal dominant disease characterized by the dysfunction of exocrine secretory glands resulting from a mutation in transmembrane regulator protein (CFTR) gene. As life expectancy increases patients with cystic secondary to advances treatment, advanced age malignancies emerge. Especially, frequency gastrointestinal system and colon cancers aging. Appendiceal tumors are rare entity constitute less than 1% tumors. We presented villous adenoma encountered...

10.15388/lietchirur.2021.20.38 article EN cc-by Lietuvos chirurgija 2021-04-16

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10.1017/s0022215116006599 article EN The Journal of Laryngology & Otology 2016-05-01

Objective: Acute facial paralysis (AFP) is one of the most common complaints patients who were admitted to otolaryngology emergency clinics.It important diagnose and provide accurate treatment for AFP because misdiagnosis or late may result with permanent unwanted outcomes.The aim present study was investigate usefulness neutrophil-to-lymphocyte ratio (NLR) platelet-to-lymphocyte (PLR) in diagnosed Bell's palsy (BP) without diabetes differential diagnosis alternative modalities BP.Methods:...

10.14744/scie.2018.85547 article EN Southern Clinics of Istanbul Eurasia 2018-01-01
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