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Dive into the research topics where Serenat Eris Yalcin is active.

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Featured researches published by Serenat Eris Yalcin.


Journal of Maternal-fetal & Neonatal Medicine | 2017

Can we consider cesarean myomectomy as a safe procedure without long-term outcome?

Mehmet Özgür Akkurt; And Yavuz; Serenat Eris Yalcin; Iltac Akkurt; Ozerk T. Turan; Yakup Yalçın; Mekin Sezik

Abstract Aim: To investigate short- and long-term outcomes in women undergoing cesarean myomectomy (CM). Methods: This was a retrospective study that explored short-term outcomes of women, who underwent cesarean operations with or without myomectomies (CM controls) in a single tertiary center throughout a 6-year-period. For long-term outcomes, the mean duration of follow-up was 6.3 ± 1.0 years. Results: There were no differences among the CM (n= 91) and control groups (n = 60) considering mean change in hemoglobin and hematocrit levels, hemorrhage, as well as requirement for blood transfusions with a slightly increased operative time. Multiple myomas, and cervical and cornual localization were associated with an increased drop of hemoglobin and hematocrit (p < 0.05). Subsequent pregnancy and recurrence rates were 35% (32/91) and 5.5% (5/91), respectively. Preterm delivery (n = 1, 3.1%), uterine dehiscence (n = 1, 3.1%), placenta previa (n = 1, 3.1%) and mild-to-severe post-CM adhesions (n = 8, 25%) were observed in subsequent pregnancies. Recurrence was identified in five of the nonpregnant (5.5%) women, and three of these (4.1%) underwent an additional major surgery. There was no recurrence in subsequent pregnancies. Conclusion: The recurrence of myoma was relatively low following CM. Subsequent pregnancy is protective for recurrence of myoma without increased adhesion formation and obstetric complications.


Journal of The Turkish German Gynecological Association | 2015

The evaluation of risk factors for failed response to conservative treatment in tubo-ovarian abscesses.

Mehmet Özgür Akkurt; Serenat Eris Yalcin; Iltac Akkurt; Burak Tatar; And Yavuz; Yakup Yalçın; Mehmet Akif Akgül; Fulya Kayikcioglu

OBJECTIVE The aim of our study is to assess the risk factors for medical treatment failure and to predict the patients who will require the surgical therapy as well as to predict the factors affecting treatment success. MATERIAL AND METHODS This was a cross-sectional study including 76 women with tubo-ovarian abscesses (TOA) who were either conservatively or surgically treated and were admitted to two gynecology units over a 4-year period. The demographic characteristics of the patients, gynecologic and obstetric histories, size and localization of abscesses were recorded. Gentamicin plus clindamycin treatment protocol was implemented for all patients. Ampicillin treatment was added in three patients with the positive culture of Actinomyces. Response to treatment was evaluated after 48-72 h. Patients who fail to respond to medical treatment required surgery or percutaneous drainage. We compared clinical and laboratory factors between the groups. RESULTS In surgery group, patients were significantly older than the others (44.9±5.4 versus 39.1±7.6 years). Fifty-six patients (74%) responded to antibiotics and 20 of the patients required surgical intervention. Patients treated with antibiotics were hospitalized for an average of 6.32±2.8 days versus 12.75±5.6 days for those who required surgery (p=0.021). Patients who were surgically treated had a mean size of TOA of 67.9±11.2 mm versus 53.6±9.4 mm for those treated with antibiotics alone (p=0.036). There were no significant differences between groups in laboratory parameters, except for initial white blood cell (WBC) counts. The complications of surgery included in descending order of frequency blood transfusions, surgical wound infections, bowel injury, and bladder injury. CONCLUSION An increased size of pelvic mass, higher initial WBC counts, advanced age, and smoking were all associated with failed response to conservative treatment. It is important to identify the risk factors to distinguish patients who will respond to antibiotic therapy and those who will need a surgical treatment. Thus, the required early intervention can result in a reduction in the morbidity associated with TOA.


The Eurasian Journal of Medicine | 2017

Evaluation of the Ki-67 Proliferation Index and Urocortin Expression in Women with Ovarian Endometriomas

Serenat Eris Yalcin; Irfan Ocal; Yakup Yalçın; Halime Sen Selim; Melike Demir Caltekin; Hüseyin Aydoğmuş; Sefa Kelekci

OBJECTIVE The reasons why endometriosis is more aggressive and invasive in some patients are unknown. Despite the importance of population-based clinically defined risk factors in the prediction of recurrence, biochemical markers obtained from the patient are more valuable for prediction on an individual basis. Therefore, the discovery of significant potential biomarkers could be useful to clinicians for shedding light on the pathogenesis of endometriosis and in the monitoring recurrence. MATERIALS AND METHODS This study included 50 patients who underwent surgery for ovarian cysts that were diagnosed as endometrioma. The age of the patients, stage of the endometriosis, diameter and localization of endometriomas, type of surgery, and pre- and postoperative cancer antigen 125 (CA125) levels were compared between patients with and without recurrence. The archived pathology slides were stained with Ki-67 and anti-urocortin antibodies for reevaluation. By comparing the pathology parameters of the patients with and without recurrence, the association between these parameters and recurrence was investigated. RESULTS The median Ki-67 proliferation index of the patients with recurrence (7.5±6.5) was statistically significant compared with that of the patients without recurrence (1±4) (p=0.003). The urocortin epithelial staining intensity and percentage were not found to be statistically significant in comparison. A statistically significant difference was determined between postoperative CA125 median levels of patients without recurrence (10±17.6) and those of patients with recurrence (29.9±18.1) (p=0.003). CONCLUSION The Ki-67 proliferation index may be useful for predicting prognosis and recurrence risk.


Journal of Perinatal Medicine | 2017

Maternal and perinatal outcomes in pregnancies with multiple sclerosis: a case-control study.

Serenat Eris Yalcin; Yakup Yalçın; And Yavuz; Mehmet Özgür Akkurt; Mekin Sezik

Abstract Objective: To assess whether maternal multiple sclerosis (MS) is associated with adverse pregnancy outcomes by determining the clinical course of disease during pregnancy and postpartum throughout a 10-year-period in a single tertiary center. Methods: We conducted a case-control study that included pregnancies with a definitive diagnosis of MS (n=43), matched with 100 healthy pregnant women with similar characteristics. Maternal and perinatal data were retrieved from hospital files. Groups were compared with the Mann-Whitney and χ2 tests. Logistic regression models were constructed to determine independent effects. Results: Maternal demographic and baseline laboratory data were similar across the groups. Rates of preterm delivery, fetal growth restriction, preeclampsia, gestational diabetes, stillbirth, cesarean delivery, congenital malformation, and 5-min Apgar score were comparable (P>0.05 for all). General anesthesia during cesarean delivery (96% vs. 39%, P=0.002), urinary tract infection (UTI) (12% vs. 3%, P=0.04), low 1-min Apgar score (21% vs. 9%, P=0.04), and nonbreastfeeding (33% vs. 2%, P=0.001) were more frequent in women with MS. The low 1-min Apgar score and breastfeeding rates were independent of general anesthesia and UTI in regression models. Conclusion: MS during pregnancy was not associated with adverse maternal and perinatal outcomes except UTI, low 1-min Apgar scores, and decreased breastfeeding rates.


European Journal of Obstetrics & Gynecology and Reproductive Biology | 2017

The predictive effect of inflammatory markers and lipid accumulation product index on clinical symptoms associated with polycystic ovary syndrome in nonobese adolescents and younger aged women

Esra Nur Tola; Serenat Eris Yalcin; Nadiye Dugan

OBJECTIVE(S) The aim of our study is to analyse the inflammatory markers and lipid accumulation product (LAP) index in nonobese adolescents and younger aged women with polycystic ovary syndrome (PCOS) compared with age and body mass index (BMI)-matched healthy controls and to determine whether the investigated parameters are potential markers for the etiopathogenesis of PCOS. We also aim to determine whether these inflammatory markers are predictive for developing some clinical implications, such as cardiovascular disease (CVD) and insulin resistance (IR), associated with PCOS. STUDY DESIGN A total of 34 adolescents and younger aged females with PCOS, and 33 age and BMI-matched healthy controls were recruited for our study. All participants were nonobese (BMI<25). Neopterin (NEO), C-reactive protein (CRP) levels and complete blood parameters were assessed. LAP index and homeostasis model assessment of IR (HOMA-IR) were calculated; anthropometric, clinical and biochemical parameters were also recorded. RESULTS Serum NEO, CRP levels and LAP index were significantly increased in nonobese adolescents and younger aged females with PCOS compared to healthy controls. We could not found any predictive effect of investigated inflammatory markers and LAP index on CVD risk among PCOS patients after adjustment for abdominal obesity. We also found a positive predictive effect of WBC and a negative predictive effect of lymphocytes on IR in PCOS patients after adjustment for abdominal obesity. We did not find any predictor effect of NEO on IR, but it was a positive predictive marker for an elevated HOMA-IR index. CONCLUSION(S) Elevated NEO, CRP levels and LAP index could have potential roles in the etiopathogenesis of PCOS in nonobese adolescents and younger aged females,NEO could be a predictive marker for elevated HOMA-IR index, and WBC and lymphocytes could be predictive for the development of IR among nonobese adolescents and younger aged females with PCOS.


Asian Pacific Journal of Cancer Prevention | 2016

The Value of Preoperative CA 125 Levels in Prediction of Myometrial Invasion in Patients with Early-stage Endometrioid- type Endometrial Cancer.

Zeynep Atguden; Askin Yildiz; Hayri Aksüt; Serenat Eris Yalcin; Yakup Yalçın; Dilek Uysal; Hakan Yetimalar

AIM To evaluate the relationship between pre-operative CA-125 levels and myometrial invasion in patients with early-stage endometrioid-type endometrial cancer. MATERIALS AND METHODS Two-hundred and sixty patients were diagnosed with endometrial cancer between January 2007 and December 2012. Of these, 136 patients with stage 1 endometrioid histologic-type and documented pre-operative serum CA-125 levels were included in the study. Age, preoperative CA-125 level, histologic grade, surgical grade, and presence of deep myometrial invasion were recorded. Additionally, 16, 20, and 35 IU/ml cutoff values were used and compared to evaluate the relationship between pre-operative CA-125 levels and myometrial invasion. RESULTS The average serum CA-125 level was 35.4±36.7 in patients with deep myometrial invasion, and 21.5±35.8 in cases without deep myometrial invasion. The relationship between the presence of deep myometrial invasion and CA-125 cut-off values (16, 20, 35 IU/ml) was statistically significant, although the correlation was weak (p<0.05). When the relationship between 16, 20 and 35 IU/ml CA-125 cut-off values and the presence of deep myometrial invasion was studied, specifity and sensitivity values were identified as: 0.60-0.68 for 16 IU/ml; 0.73-0.48 for 20 IU/ml; and 0.89-0.33 for 35 IU/ml. The sensitivity of 16 IU/ml cut-off value was higher when compared to other values. CONCLUSIONS This study demonstrates that preoperative serum CA-125 values maybe used as a predictive test in patients with early stage endometrioid-type endometrium cancer, and as a prognostic factor alone. Further studies should be conducted to identify different CA-125 cut-off values in patients with low risk endometrial cancer.


Journal of Clinical Ultrasound | 2018

Prenatal sonographic diagnosis of cephalopagus conjoined twins at 14 weeks of pregnancy

Serenat Eris Yalcin; Mehmet Özgür Akkurt; And Yavuz; Yakup Yalçın; Mekin Sezik

Conjoined twins are extremely rare and are a type of monozygotic twins that occur due to an incomplete embryonic division on postconception day 13 to 15. Eight different types of conjoined twins have been described in the literature. Management of the condition depends on the site and extent of the union. We present a case of cephalopagus twins diagnosed at 14 weeks of gestation.


Gynecologic and Obstetric Investigation | 2018

The Utility of Feticide Procedure to Shorten the Induction-to-Abortion Interval in Medical Abortion

Mehmet Özgür Akkurt; Iltac Akkurt; And Yavuz; Serenat Eris Yalcin; Bora Coskun; Mekin Sezik

Aim: To evaluate the effect of intracardiac potassium chloride feticide procedure (FP) on the induction-to-abortion (I-to-A) interval for various indications in the termination of pregnancy. Method: Medically indicated abortions between 17 and 28 weeks’ gestation were retrospectively evaluated and allocated into 2 groups: Cases with (group 1, n = 58) or without an FP (group 2, n = 60). I-to-A intervals were compared across the groups, considering different baseline parameters and fetal abnormality categories. Results: There were no differences among the groups except in gestational age (GA; mean, 21.2 vs. 19.6 weeks, p = 0.01) in group 1. Overall, the I-to-A interval was shorter (900 ± 233 vs. 1,198 ± 375 min, p = 0.001) and prolonged medical abortion (I-to-A interval > 48 h) was less common (2% vs. 6%, p = 0.03) in group 1. The facilitating effect of FP persisted when indications were categorized as central nervous system, chromosomal, other structural abnormalities, and unclassified conditions. Logistic regression analyses demonstrated the following features to be associated with expulsion of fetus after 24-h: (1) advanced GA (> 24 week; aOR 6.9, 95% CI 3.24–14.72), (2) central nervous system abnormalities (aOR 5.3, 95% CI 2.6–11.4), (3) lack of feticide (aOR 3.67, 95% CI 2.24–10.72). Conclusion: FPs seem to shorten the I-to-A interval and decrease prolonged I-to-A interval rates. This facilitating effect remains unchanged for various medical indications.


Perinatal Journal | 2017

Thickness measurement of fetal epicardial adipose tissue in structurally normal fetuses between 24 and 28 weeks of gestation

And Yavuz; Mekin Sezik; Mehmet Özgür Akkurt; Serenat Eris Yalcin; Gökhan Karakoç

Objective: Ultrasonographic measurement of epicardial adipose tissue (EAT) is carried out frequently adults as an indirect indicator of lipogenesis and metabolic syndrome. However, the information on the measurement of this tissue in fetus is limited. Our aim is to determine the measurement values of fetal EAT thickness according to the weeks in non-complicated pregnancies. Methods: Thirty-nine pregnant women, who admitted to maternity clinic between 24 and 28 weeks of gestation for routine follow-up and who had no problem in their fetal and maternal follow-ups, were included in our study. Fetal EAT thickness was measured in the Perinatology Clinic. The relationship of fetal EAT measurements with the week of gestation was evaluated statistically. Results: Maternal age (p=0.33) and body mass index (p=0.88) according to the weeks of gestation were similar. Median [interquartile range] fetal EAT thicknesses at 24+, 25+, 26+ and 27+ weeks of gestation were 1.29 mm [1.267–1.320], 1.295 mm [1.275–1.305], 1.325 mm [1.297–1.355] and 1.34 [1.330–1.355], respectively. There was a significant difference only in the measurements between 25 and 26 weeks of gestation (p=0.048). Conclusion: Fetal EAT thickness increases in direct proportion to the week of gestation. Proportionately, the highest increase is between 25 and 26 weeks of gestation.


Journal of Turkish Society of Obstetric and Gynecology | 2017

The significance of reverse flow in ductus venosus between sixteen and twenty weeks’ gestation

Gökhan Karakoç; And Yavuz; Serenat Eris Yalcin; Mehmet Özgür Akkurt; Nuri Danisman

Objective: To evaluate the correlation between reversed a-wave in ductus venosus at 16-20 weeks’ gestation and trisomy 21 and adverse perinatal outcomes. Materials and Methods: Our study included 174 pregnant women who were under follow-up at a tertiary center between May and September 2010. Ductus venosus Doppler (DVD) measurements were obtained throughout the 6-month period from women who underwent amniocentesis procedures due to increased risk for trisomy 21 in terms of first or second trimester screening test results. These women were followed up for enrollment of subsequent data about perinatal outcomes. Results: In 13 of 174 cases, Doppler studies indicated a reversed a-wave in the ductus venosus. Of these fetuses, 3 were diagnosed as having trisomy 21 after amniocentesis, which related to 60% (3 of 5 fetuses) of all fetuses with trisomy 21. The pregnant women with reversed a-wave in DVD also had an increased rate of preeclampsia (15%) and gestational diabetes mellitus (GDM) (23%) in late pregnancy. Conclusion: Reversed a-wave in ductus venosus between 16-20 weeks’ gestation is associated with increased risk of trisomy 21, preeclampsia, and GDM. If further prospective studies confirm its utility, DVD interrogation for trisomy 21 may be extended until 20 weeks’ gestation.

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And Yavuz

Süleyman Demirel University

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Mekin Sezik

Süleyman Demirel University

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Yakup Yalçın

Süleyman Demirel University

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Iltac Akkurt

Boston Children's Hospital

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Esra Nur Tola

Süleyman Demirel University

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Burak Tatar

Süleyman Demirel University

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E. Varol

Süleyman Demirel University

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