Publications by authors named "Ahmet Ozgur Yeniel"

Study Objective: To evaluate the effect of concomitant hysterectomy on perioperative outcomes in patients who underwent obliterative pelvic organ prolapse (POP) surgery.

Material And Methods: This retrospective study included 95 consecutive patients with no prior hysterectomy who underwent obliterative surgery for POP between February 2015 and April 2021. Perioperative outcomes of colpocleisis without hysterectomy (C) and colpocleisis with hysterectomy (CH) were compared.

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Study Objective: To describe a vaginal approach combining vaginal hysterectomy (VH) with transvaginal natural orifice transluminal endoscopic surgery (vNOTES) bilateral salpingo-oophorectomy (BSO) for hysterectomy in transgender men and to evaluate the feasibility, safety, and surgical outcomes of this approach in comparison with laparoscopy.

Material And Methods: Retrospective cohort study comparing outcomes of the vaginal approach (n = 45) and laparoscopy (n = 45) in transgender men undergoing hysterectomy between May 2017 and June 2020.

Results: There was one intraoperative complication (bladder injury) in the laparoscopy group, which was the reason for the only conversion from the initial surgical approach.

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Article Synopsis
  • The study investigates the relationship between uterine receptivity, endometrial perfusion, and IVF success using a new dynamic tissue perfusion measurement technique.
  • Researchers used colour Doppler ultrasound to capture dynamic images of the uterus and analyze endometrial thickness and perfusion dynamics among both pregnant and non-pregnant participants.
  • The findings indicated no significant differences in endometrial thickness and perfusion parameters between the two groups, highlighting the need for non-invasive methods to assess endometrial receptivity in IVF treatments.
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Study Objective: To evaluate the impacts of transvaginal natural orifice transluminal endoscopic surgery (vNOTES) on the hysterectomy route and concomitant adnexal surgery at the time of vaginal hysterectomy (VH).

Material And Methods: This retrospective study analyzed all hysterectomies performed for benign indications between 1 January 2017 and 31 December 2019. The period preceding the first case of VH and vNOTES BSO was considered as Pre-vNOTES.

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This descriptive study was designed to investigate the pelvic floor muscle strength (PFMS) of women aged 18 to 49 years and to examine the factors that may have an effect on PFMS. The study was conducted on 258 women who visited a gynecology outpatient clinic between January 2019 and January 2020, who met the research criteria, and who agreed to participate in the study. The data were collected using the Sociodemographic Characteristics Information Form.

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Purpose: We evaluated the effects of biofeedback-guided pelvic floor muscle training (EMG-BF), with and without extracorporeal magnetic innervation (EMG-BF+ExMI) therapy on lower urinary tract symptoms based on frequency of stress urinary incontinence (SUI) and grams of urine loss, health-related quality of life, and sexual function in women with SUI.

Design: This was a randomized controlled trial.

Subjects And Setting: The sample comprised 51 adult women with SUI.

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Article Synopsis
  • This study outlines a simplified two-step technique for transvaginal natural orifice transluminal endoscopic surgery (vNOTES) and provides video evidence from its application.
  • The patients involved were a 27-year-old with ovarian torsion and a 25-year-old with an ectopic pregnancy, both of whom underwent diagnostic and therapeutic procedures via vNOTES.
  • Key steps included creating a colpotomy, confirming the diagnosis using an endoscope, and performing specific surgical interventions while ensuring safety and hemostasis.
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Objective: To demonstrate a case of left tubal stump pregnancy successfully treated using our 2-step technique for transvaginal natural orifice transluminal endoscopic surgery (vNOTES).

Design: Demonstration of the technique using surgical video footage.

Setting: Tertiary university hospital.

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Objective: Pulmonary hypertension (PH) is a rare maternal cardiac disorder associated with high maternal and fetal mortality. The objective of our study was to evaluate the maternal and fetal outcomes in pregnant women with PH in a single health center.

Study Design: 45 pregnant patients with PH, who had undergone antenatal follow-up and delivery at the department of gynecology and obstetrics at a referral center were retrospectively investigated.

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Objective: To investigate the diagnostic and therapeutic efficiency of dilatation-curettage (D&C) combined with aspiration curettage for endometrial pathology compared to hysteroscopy alone in this study.

Material And Methods: A total of 143 patients who have suspicion of endometrial mass like lesion, increased endometrial thickness (>5-mm at menopause and/or endometrial thickness upper than 5-mm in patients under tamoxifen treatment due to breast cancer during 2-D transvaginal ultrasonography examination) were enrolled. All patients underwent procedures in order of hysteroscopy, D&C plus aspiration and second look hysteroscopy.

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Background: Down syndrome, which is the most common human chromosomal anomaly that can affect people of any race and age, can be diagnosed prenatally in most cases. Prenatal diagnosis via culture method is time-consuming; thus, genetic analysis has thus been introduced and is continually being developed for rapid prenatal diagnosis. For this reason, the effective use of microRNA profiling for the rapid analysis of prenatal amniotic fluid samples for the diagnosis of Down syndrome was investigated.

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Aims: To evaluate the relationship between overactive bladder (OAB) and systemic atherosclerosis in a cohort of women.

Methods: In this case-control study, we assessed atherosclerosis indicators, such as Framingham risk scores and carotid and femoral artery intima-media thickness, and evaluated possible bladder wall responses to atherosclerosis using endovaginal color Doppler ultrasound and the detection of urinary cytokines in women with OAB and in controls. Quantitative assessment of blood perfusion at the bladder neck was performed using a method that allows for the dynamic monitoring of flow in a predefined region of interest at every point of the cardiac cycle.

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Background: Perinatal, foetal and neonatal mortality statistics are important to show the development of a health care system in a country. However, in our country there are very few national and regional data about the changing pattern of perinatal neonatal mortality along with the development of new technologies in this area.

Aims: Evaluation of the changes in mortality rates and the causes of perinatal and neonatal deaths within years in a perinatal reference centre which serves a high-risk population.

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Aims: The study aimed to investigate whether we can predict the presence and severity of intra-abdominal adhesions before cesarean delivery using patient history, symptoms, and abdominal skin scar characteristics.

Methods: In this prospective study, 143 pregnant women with history of previous abdominal surgery were included and they delivered by cesarean. Preoperative abdominal scar characteristics and symptoms as well as intraoperative abdominal adhesions were evaluated using the Manchester Scar Scale, a symptomatology questionnaire and the More Comprehensive Adhesion Scoring Method, respectively.

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The aim of the present study was to determine the long-term effects of different laparoscopic hemostatic techniques on ovarian reserve after ovarian cystectomy. Ninety patients with unilateral ovarian cysts were recruited and randomly distributed into 2 groups. Laparoscopic stripping cystectomy was performed in all patients.

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Background: Currently, the data available on the utility of miRNAs in noninvasive prenatal testing is insufficient in the literature. We evaluated the expression levels of 14 miRNAs located on chromosome 21 in maternal plasma and their utility in noninvasive prenatal testing of Down Syndrome.

Method: A total of 56 patients underwent invasive prenatal testing; 23 cases were carrying Down Syndrome affected fetuses, and 33 control cases carrying unaffected, normal karyotype fetuses were included for comparison.

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[Purpose] The aim of this study was to evaluate whether the effect of pelvic floor exercises on pelvic floor muscle strength could be detected via ultrasonography in patients with urinary incontinence. [Subjects and Methods] Of 282 incontinent patients, 116 participated in the study and were randomly divided into a pelvic floor muscle training (n=65) group or control group (n=51). The pelvic floor muscle training group was given pelvic floor exercise training for 12 weeks.

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Objective: To determine and compare the diagnostic accuracy of 3-dimensional ultrasound (3D US) and magnetic resonance imagining (MRI) in patients with surgically diagnosed Mullerian duct anomaly (MDA).

Study Design: Charts of patients with MDA were retrospectively evaluated. Patients who underwent both laparoscopic and hysteroscopic surgery and had 3D US and MRI examinations were included in the study.

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Vaginal cuff dehisence with bowel evisceration after hysterectomy is a very rare complication. However, the incidance of this complication appears to be increased with the widely used techniques of laparoscopic surgery especially with robotic hysterectomy. In this case report we aimed to evaluate the risk factors and treatment methods for this complication.

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The etiology and pathophysiology of uterine leiomyomas, benign smooth muscle tumors of the uterus, are not well understood. To evaluate the role of mitochondria in uterine leiomyoma, we compared electron transport gene expressions of uterine leiomyoma tissue with myometrium tissue in six uterine leiomyoma patients by RT-PCR array. Our results showed an average of 1.

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Brain tumors during pregnancy are very rare. Diagnosis of this condition is difficult because the symptoms imitate pregnancy-related ailments. The management of this condition also presents challenges.

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Article Synopsis
  • The study aimed to explore if granulocyte-colony stimulating factor (G-CSF) can help reduce ovarian follicle loss caused by cisplatin chemotherapy in rats.
  • Twenty-one female rats were divided into three groups: one receiving cisplatin with saline, another receiving cisplatin with G-CSF, and a control group without treatment, before their ovaries were analyzed.
  • Results showed that the rats treated with G-CSF had significantly higher follicle counts and anti-Müllerian hormone levels, indicating that G-CSF effectively mitigates ovarian damage from cisplatin.
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Article Synopsis
  • Non-communicating accessory uterine horns are the most common and serious type of Müllerian duct abnormality, often leading to symptoms like pain, infertility, and serious complications such as cornual pregnancy.
  • Treatment typically involves surgical options, with laparoscopic resection being the preferred method due to its effectiveness, albeit with challenges in safely detaching the rudimentary horn from the unicornuate uterus.
  • The described case illustrates the successful use of hysteroscopic assistance alongside laparoscopic techniques to improve surgical outcomes and preserve uterine integrity.
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Objective: The purpose of our study is to determine whether there is a difference in pelvic floor muscle strength attributable to pelvic floor muscle training conducted during different stages of menopause.

Methods: One hundred twenty-two women with stress urinary incontinence and mixed urinary incontinence were included in this prospective controlled study. The participants included in this study were separated into three groups according to the Stages of Reproductive Aging Workshop staging system as follows: group 1 (n = 41): stages -3 and -2; group 2 (n = 32): stages +1 and -1; and group 3 (n = 30): stage +2.

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Objective: To determine the effects of oxytocin (OT) on surgically induced endometriosis in a rat model.

Study Design: Twelve female Sprague-Dawley rats were included. After the implantation and establishment of autologous endometrium onto the abdominal wall peritoneum, the rats were randomly divided into two groups, treated with intramuscular oxytocin (OT group, 160μgkg/day, n=6) or isotonic NaCl solution (control group, 1mLkg/day, n=6) for 28 days.

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