Onur Karabacak

ORCID: 0000-0003-4698-7624
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About
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Research Areas
  • Reproductive Biology and Fertility
  • Ovarian function and disorders
  • Assisted Reproductive Technology and Twin Pregnancy
  • Endometriosis Research and Treatment
  • Uterine Myomas and Treatments
  • Reproductive Health and Technologies
  • Gynecological conditions and treatments
  • Reproductive System and Pregnancy
  • Sperm and Testicular Function
  • Reproductive Health and Contraception
  • Appendicitis Diagnosis and Management
  • Endometrial and Cervical Cancer Treatments
  • Urological Disorders and Treatments
  • Hernia repair and management
  • Congenital Anomalies and Fetal Surgery
  • Maternal and Perinatal Health Interventions
  • Ovarian cancer diagnosis and treatment
  • Prenatal Screening and Diagnostics
  • Genital Health and Disease
  • Maternal and fetal healthcare
  • Periodontal Regeneration and Treatments
  • Environmental and Sediment Control
  • Iron Metabolism and Disorders
  • Sexual Differentiation and Disorders
  • Intestinal and Peritoneal Adhesions

Gazi University
2013-2024

Marmara University
2023

Gazi Hastanesi
2019-2022

Johns Hopkins University
2008

Dr. Siyami Ersek Göğüs Kalp Ve Damar Cerrahisi Eğitim Ve Araştırma Hastanesi
2001

Kocaeli Üniversitesi
1998-1999

Weatherford College
1998

Marymount University
1996

Dokuz Eylül University
1989-1992

The aim of our study was to evaluate the effectiveness resveratrol in experimentally induced endometrial implants rats through inhibiting angiogenesis and inflammation. Endometrial were surgically 24 female Wistar–Albino first surgery. After confirmation endometriotic foci second surgery, divided into (seven rats), leuprolide acetate (eight control rats) groups medicated for 21 d. In third measurements mean areas histopathological analysis lesions, VEGF, MCP-1 blood peritoneal fluid samples,...

10.3109/09513590.2014.976197 article EN Gynecological Endocrinology 2014-11-06

Mankind has been expressing the breeding topic for thousands of years. Reproduction is primary instinct human beings and it a social, cultural, medical issue. Demographic infertility one them, which defined as inability to become pregnant with live birth, within five years regular sexual contact based upon consistent union status in marriage maintaining desire child lack contraceptive use non-lactating. A first mentions about surrogacy discovered on 4000-year-old clay tablet contract...

10.1080/09513590.2017.1391208 article EN Gynecological Endocrinology 2017-10-26

To identify pathogenic rare coding Mendelian/high-effect size variant(s) by whole-exome sequencing in familial polycystic ovary syndrome (PCOS) patients to elucidate PCOS-related pathways.Twenty women and their affected available relatives diagnosed with PCOS according Rotterdam criteria were recruited. Whole-exome on germ-line DNA from 31 probands was performed. data further evaluated pathway chemogenomics analyses. In-slico analysis of candidate variants done VarCards for functional...

10.1111/jog.15187 article EN Journal of Obstetrics and Gynaecology Research 2022-02-09

The purpose of this study is to compare transvaginal sonographic endometrial assessment with histology obtained by curettage in postmenopausal patients and determine a cut-off point for thickness reduce unnecessary diagnostic bleeding. A total number 289 women were studied prospectively; 192 bleeding 97 without comprised the control groups respectively. All scanned ultrasound transvaginally, then dilatation was performed evaluation. In all bleeding, 4 mm or less as depicted sonography...

10.1111/j.1479-828x.1996.tb03280.x article EN Australian and New Zealand Journal of Obstetrics and Gynaecology 1996-05-01

Our objective was to evaluate the effectiveness of clomiphene citrate (CC) vs. letrozole (L) plus human menopausal gonadotropin (hMG) in releasing hormone (GnRH) antagonist protocol poor prognosis women with previous failed ovarian stimulation undergoing intracytoplasmic sperm injection (ICSI).

10.22074/ijfs.2015.4542 article EN DOAJ (DOAJ: Directory of Open Access Journals) 2015-12-09

Platelet-rich plasma (PRP) is obtained by centrifuging the platelet-rich portion of patient's own blood. The objective our study to retrospectively examine impact intraovarian PRP injection on infertile women with diminished ovarian reserve, specifically focusing oocyte count, quality, and endometrial thinning.A retrospective assessment was conducted cases who had at in vitro fertilization (IVF) unit Obstetrics Gynecology Department Gazi University School Medicine hospital. review...

10.7759/cureus.47239 article EN Cureus 2023-10-17

Cesarean section (CS) is a widely performed operation worldwide but data about uterine closure are lacking. We aimed to evaluate scar niches and compare single-layer double-layer at 6 months following CS.

10.55730/1300-0144.5906 article EN TURKISH JOURNAL OF MEDICAL SCIENCES 2024-01-01

The negative impact of oxidative stress on oocytes obtained from in vitro fertilization (IVF) patients is a challenge for the optimization live birth rates. In this study, it aimed to investigate whether oxidant/antioxidant parameters have predictive value terms determining count and quality oocytes.Catalase (CAT), glutathione-S-transferase (GST), arylesterase (ARE) enzyme activities, malondialdehyde (MDA) levels were analysed cumulus cells poor responder (n = 28, oocyte ≤ 4), normo 48, 5...

10.3906/sag-2104-188 article EN TURKISH JOURNAL OF MEDICAL SCIENCES 2021-08-04

Objective: Medical student profile is changing on campuses today and there a much greater variation in the range of personality type learning style preferences to be considered. In this study it aimed determine styles medical school students at Gazi University find out whether any relationship between students’ types, their specialty choices. Methods: The was conducted 170 final year (96.6%) School Medicine 2011-2012 academic . authors used Myers-Briggs Type Indicator (MBTI) traits Grasha...

10.12996/gmj.2014.43 article EN Gazi Medical Journal 2014-01-01

Weight reduction on its own is observed to cause improvement in some of the abnormalities seen patients with polycystic ovary syndrome (PCOS). With respect this observation, we studied possible effects different serotonin reuptake inhibitors (fluoxetine and sibutramine) serum leptin levels that might play a role obesity component PCOS. In random design, sixteen were assigned fluoxetine sibutramine for period 10 days. both treatment groups, no significant differences between pre-treatment...

10.1080/09513590400012077 article EN Gynecological Endocrinology 2004-01-01

The objective of this study was to determine visual quality, diagnostic accuracy, and surgical merits small diameter laparoscopy (SDL). Thirty-seven patients were randomly selected. indications for infertility, desire tubal sterilization or chronic pelvic pain. Patients underwent SDL, followed by conventional (CL) as a control under general anaesthesia. Findings at operation compared. mean time work-up longer with SDL than CL, 11.7 +/- 5.6 versus 7.6 3.2 min respectively (P < 0.04). Visual...

10.1093/humrep/12.11.2399 article EN Human Reproduction 1997-11-01

The aim ofthis study was to determine the postabortion contraception choices of women and subsequent reduction in pregnancy rate. changes method during 1-year follow-up period were also assessed.Ninety decided practice family planning methods following an abortion procedure. group determined by active immediate counselling. control group, which consisted 23 who had wanted become pregnant again, followed-up for 1 year their rates used a 12-month period.Following counselling, 79.64% patients...

10.1080/ejc.6.3.129.133 article EN The European Journal of Contraception & Reproductive Health Care 2001-01-01

This study aimed to investigate the difference between infertile men and healthy (normozoospermic) in terms of demographic characteristics, dietary habits, anthropometric measurements, body composition. We included 80 males (40 subfertile 40 normozoospermic) ages 25 54 years. Information was obtained from participants regarding their socio-demographic health status, food intake. Food frequency questionnaires, records, composition, sperm analysis were statistically evaluated using IBM SPSS...

10.29063/ajrh2020/v24i2.8 article EN African Journal of Reproductive Health 2020-06-26

In this study it was aimed to assess and evaluate the impact of levels perceived social support in infertile couples on stress related with infertility marital adjustment. The included 104 primary or secondary 44 healthy children for control group. Control group given Hospital Anxiety Depression Scale (HADS), Dyadic Adjustment (DAS) Multidimensional Perceived Social Support (MSPSS). Infertile HADS, DAS, MSPSS also Fertility Problem Inventory. Women reported greater psychological symptoms...

10.5455/cutf.25586 article EN cc-by-nc-nd Cukurova Medical Journal (Çukurova Üniversitesi Tıp Fakültesi Dergisi) 2012-01-01

A new laparoscopic Burch procedure with preperitoneal balloon dissection is introduced. stress incontinence case without cystocele was operated by extraperitoneal colposuspension. The found to be effective a year after and no complications were seen. has the advantages of easy dissection, less bleeding, pain, adhesion formation, lower chance injury intraperitoneal organs, short hospital stay operation time; but disadvantages anatomy orientation additional cost disposable set.

10.1089/lps.1996.6.65 article EN Journal of Laparoendoscopic Surgery 1996-02-01

Summary: The study group consisted of 29 female, white New Zealand rabbits. rabbits were randomized into 3 groups and a midline laparotomy was performed in order to make 4–5 mm long lesion using scalpel both ovaries. In Group 1, the ovaries left uncovered. 2, right covered by human amniotic membrane graft. 3, 0.1–0.2 mL Tisseel solution applied No medication any thus this ovary acted as an individual control. After 2 weeks adhesion scores graded relaparotomy blind manner. Fibrin sealant...

10.1111/j.1479-828x.1998.tb03004.x article EN Australian and New Zealand Journal of Obstetrics and Gynaecology 1998-05-01
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