Publications by authors named "Yavuz A"

This article discusses infection, a zoonotic parasite that lives in the liver bile ducts. A 31-year-old female patient was diagnosed with symptoms such as nausea, increased liver enzymes, and right upper quadrant pain for about a year. The parasite was detected in the common bile duct by Endoscopic Ultrasound (EUS) and removed by Endoscopic Retrograde Cholangio Pancreatography (ERCP).

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Purpose: To investigate the effects of varicocelectomy on premature ejaculation (PE) in patients with varicocele and infertility.

Methods: A total of 82 sexually active patients aged 18 years or over who had undergone microscopic subinguinal varicocelectomy with a clinical diagnosis of varicocele in 14 urology clinics between October 2021 and March 2023 with primary infertility were evaluated prospectively Patients were evaluated using the Turkish validated form of the 'Premature Ejaculation Diagnostic Tool' (PEDT) scale. A PEDT score of 11 or above was taken to indicate the presence of PE.

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  • This study compared outcomes of emergency versus planned cesarean sections for pregnancies complicated by placenta previa (PP), including subgroups with and without placenta accreta spectrum (PAS).
  • The research analyzed 128 patients and found that emergency cesarean sections resulted in poorer neonatal outcomes and a higher rate of hysterectomy compared to planned cesarean sections.
  • The authors recommend considering planned delivery strategies for patients with PP to achieve better obstetric, neonatal, and surgical outcomes, emphasizing the need to weigh maternal and fetal risks.
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The tumor microenvironment plays a critical role in malignant melanoma, influencing progression and patient outcomes, particularly through tumor budding (TB) and tumor-infiltrating lymphocytes (TILs). Despite the importance of TB, its detailed impact still needs to be explored, especially its interaction with TILs. This study evaluates the prognostic significance of TB and TILs in malignant melanoma, assessing their potential as indicators for disease progression and survival.

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  • The study analyzed oxidative stress in the blood of obese and nonobese pregnant women and their babies, involving 30 obese and 35 nonobese participants aged 18-40.
  • Significant findings showed higher levels of oxidative stress markers like disulfide and catalase in obese mothers and their newborns, indicating increased oxidative stress compared to nonobese counterparts.
  • The study highlights the importance of weight management before and during pregnancy to reduce oxidative stress and associated health risks for both mothers and infants.
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Background: Acute pulmonary embolism (PE) is a disease with a serious prognosis and a high probability of death in the emergency department.

Purpose: To investigate the prediction of PE-related mortality and intensive care admission (ICU) of Qanadli (Qscore), Bova, and simplified Pulmonary Embolism Severity Index (sPESI) scores.

Material And Methods: This retrospective observational study consisted of all patients diagnosed with acute PE who were imaged under computed tomography pulmonary angiography (CTPA) for a total of 5 years between 1 June 2018 and 1 June 2023.

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Aims: The study aims to assess the impact of bowel preparation on MRI scans in diagnosing rectosigmoid endometriosis (RSE) and to examine the level of agreement among investigators, including radiologists and clinicians with varying levels of MRI experience.

Material And Methods: Fifty-eight patients underwent MRI scans, with 34 showing RSE and 24 without involvement, according to TVUS as the reference standard. The scans were conducted both with and without a bowel preparatory protocol (BPP).

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  • Maternal syphilis (MS) is a serious condition that can lead to problems for both mothers and their newborns, requiring careful treatment to avoid complications.
  • A study reviewed medical records of 64 pregnant women with MS to assess their health outcomes and the number of cases over three years, revealing trends in patient demographics and treatment results.
  • Findings showed that many women received inadequate treatment, resulting in a range of complications for both mothers and infants, highlighting the need for improved prenatal care to address these issues effectively.
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  • The study explores how different sexual positions impact ejaculation duration and the overall control of ejaculation, which is important for sexual pleasure.
  • Conducted through an online survey with 1904 heterosexual men aged 18-65, it looked at factors related to premature ejaculation (PE) and how these men engage in various sexual positions.
  • Results indicated a significant preference for doggy style across all groups, with non-PE participants more likely to change positions when close to ejaculation compared to PE participants, suggesting that adjusting sexual positions may help manage PE.
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Objective: General surgery is a fundamental medical discipline that requires extensive training to develop competent surgeons. This study examines the impact of the number of residents on surgical training quality in a general surgery clinic and evaluates the usability of the Surgery-to-Resident Ratio (SRR) in determining the ideal number of residents.

Design: Retrospective analysis.

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Purpose: The stress of conscience occurs in stressful situations that are often encountered in healthcare, leading to an uncomfortable conscience in healthcare workers. They may not be able to control their emotions and feel burnout. Therefore, the aim of this study is to evaluate the effect of stress of conscience on burnout in healthcare workers.

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Background: We aimed to determine the best-performing machine learning (ML)-based algorithm for predicting gestational diabetes mellitus (GDM) with sociodemographic and obstetrics features in the pre-conceptional period.

Methods: We collected the data of pregnant women who were admitted to the obstetric clinic in the first trimester. The maternal age, body mass index, gravida, parity, previous birth weight, smoking status, the first-visit venous plasma glucose level, the family history of diabetes mellitus, and the results of an oral glucose tolerance test of the patients were evaluated.

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Objective: To determine the histopathological findings in patients with HBeAg-positive chronic HBV infection (immunotolerant phase in old terminology) and HBeAg-negative chronic HBV infection (inactive carrier phase in old terminology).

Study Design: Observational study. Place and Duration of the Study: Department of Gastroenterology, University of Health Sciences, Diyarbakir Gazi Yasargil Education and Research Hospital, Diyarbakir, Turkiye and Diyarbakir and Mersin University School of Medicine, Diyarbakir, Turkiye, from May 2014 to August 2022.

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This retrospective one-center study demonstrates the complications related to high-dose therapy with autologous stem cell support (HDT) and the survival of multiple myeloma (MM) patients according to age groups. : We categorized the patients into two groups: those who were ≤65 years old (group 1) ( = 115) and those who were >65 years old (group 2) ( = 26). The mean duration of follow-up was 48 (1-125) months.

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Laparoscopic cholecystectomy (LC) following endoscopic retrograde cholangiopancreatography (ERCP) is the preferred treatment for cholelithiasis with common bile duct stones. However, the optimal timing of LC after ERCP remains controversial. This study aimed to identify the ideal time interval between ERCP and LC.

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Objectives: The aim of this study was to evaluate the predictive value of the first postoperative day (POD1) drain fluid amylase in predicting pancreatic fistula formation following pancreaticoduodenectomy (PD).

Material And Methods: One-hundred and eighty-five prospective patients undergoing PD between April 2014 and April 2018 were studied retrospectively. Cut-off point to predict the development of POPF was determined by median values for drain fluid amylase of 1883 U/L.

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Background: Neoadjuvant treatment is the standard treatment in locally advanced ESCC. However, the optimal chemotherapy regimen is not known.

Method: This is a retrospective observational cohort study conducted with propensity score matching.

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Background: Tumor shrinkage is frequently observed during conventionally fractionated chemoradiotherapy for limited-stage small-cell lung cancer (SCLC). The specific goals of this study are to evaluate the gross tumor volume (GTV) changes due to treatment-induced tumor reduction during the course of radiotherapy (RT) and to examine its potential use in adaptive radiotherapy (ART) for tumor dose escalation or normal tissue sparing in patients with SCLC.

Materials And Methods: A total of 10 patients with SCLC eligible for chemoradiotherapy underwent computed tomography (CT) scan after Fractions 13 and 23 (at nominal doses of 23.

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In the search of novel photocatalysts to increase the effect of visible light in photocatalysis, g-CN (CN) has become a shining star. Rare earth metals have been used as dopant material to reinforce the photocatalytic activity of CN due to their unique electron configuration recently. In this present study, the pure and different amounts of Ho-doped g-CN (HoCN) photocatalysts were successfully synthesized using urea as a precursor by the one-pot method.

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Objectives: This study aimed to evaluate serum biomarker values measured during second-trimester aneuploidy screening in terms of their predictive ability for the development of retinopathy of prematurity (ROP) in premature infants.

Methods: This retrospective cohort study evaluated the data of 1985 idiopathic premature infants who underwent ROP screening from 2016 to 2022. The infants were divided into two groups according to the presence of ROP, and those with ROP were further evaluated in two subgroups based on the presence of proliferation.

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Laccase is an exothermic enzyme with copper in its structure and has an important role in biodegradation by providing oxidation of phenolic compounds and aromatic amines and decomposing lignin. The aim of this study is to reach maximum laccase enzyme activity with minimum cost and energy through optimization studies of Proteusmirabilis isolated from treatment sludge of a textile factory. In order to increase the laccase enzyme activities of the isolates, medium and culture conditions were optimized with the study of carbon (Glucose, Fructose, Sodium Acetate, Carboxymethylcellulose, Xylose) and nitrogen sources (Potassium nitrate, Yeast Extract, Peptone From Soybean, Bacteriological Peptone), incubation time, pH, temperature and Copper(II) sulfate concentration then according to the results obtained.

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Objective: We aimed to examine the effect of remission status on thiol-disulfide homeostasis in celiac patients and thus to indirectly determine the effect of oxidative stress and inflammation caused by non-compliance with the diet.

Methods: Between February 2019 and December 2021, 117 patients diagnosed with celiac disease were included in this prospective randomized and controlled study. In addition to routine tests of celiac patients, thiol and disulfide measurements were made from the blood both at the beginning of the study and at the end of the first year.

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Article Synopsis
  • The study focused on the impact of surgery for benign anorectal conditions, including hemorrhoids and anal fissures, on sexual function in male patients.
  • Sixty-one men with perianal fistulas participated by completing a questionnaire that included the International Index of Erectile Function (IIEF) score.
  • Results showed that the median IIEF score post-surgery was significantly better (24) compared to pre-surgery (22), indicating that surgery has a positive effect on sexual function.
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Objective: This split-mouth randomized study aimed to assess efficacy of leucocyte-platelet-rich fibrin (L-PRF) versus connective tissue graft (CTG) in achieving root coverage (RC) for multiple adjacent gingival recessions (MAGRs) throughout 12-month period.

Materials And Methods: The study enrolled 59 teeth from 12 patients with Miller Class I MAGRs ≥ 2 mm on bilateral or contralateral sides. Patients were randomly assigned to receive coronally advanced flap (CAF) with either CTG (control) or L-PRF (test) treatment.

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Background: Recent studies have shown that the tumor microenvironment significantly influences the behavior of solid tumors. In this context, Accumulated data suggests that pathological evaluation of tumor budding (TB), desmoplastic reaction (DR), and tumor-infiltrating lymphocytes (TILs) may be crucial in determining tumor behavior in the gastrointestinal tract. Regarding gastric adenocarcinoma (GAC), although some results suggest that TB and TILs may be effective in determining the course of the disease, the data do not agree.

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