Browsing by Author "Bozbay, Nizamettin"

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Comparison of Early Term Results of Umbilical Arterial Blood Gas Measurement Among Uncomplicated Primiparous and Multiparous Vaginal Deliveries and Elective Cesarean Section
(2024) Yılmaz, Mehmet; Bozbay, Nizamettin; Aboalhasan, Yasmin; Aksın, Serif; Adıguzel, Taner; Avcı, Fazil
Aim: This study aims to investigate the early effects of the mode of delivery on the newborn in cases of non-complicated primiparous and multiparous vaginal deliveries who were admitted to the clinic in active labor, and elective cesarean section by analyzing fetal umbilical cord blood gas. Materials and Methods: In this retrospective study, 120 cases were enrolled in the study, including 40 primiparous cases, 40 multiparous cases, and 40 elective cesarean section cases. Age, pregnancy history, medical history, age of gestation at birth, delivery type, fetal Weight, APGAR score, baby gender and fetal blood gas values were statistically analyzed. Results: Statistically significant differences were found between the primiparous vaginal delivery group and the cesarean section and multiparous vaginal delivery groups in the parameters of age, gravidity, parity, and fetal Weight, with primiparous vaginal delivery showing significantly lower parameters. When compared with multiparous and primiparous vaginal delivery, a statistically significant difference was observed in APGAR 1 score, with C/S births having lower scores. In primiparous vaginal delivery, it was found that pH, pH(T), Base(Ecf)c, cHCO3(P)c, cHCO3(p,st)c, cBase(B,ox)c, and cBase(Ecf,ox)c were significantly lower compared to other groups, while only higher levels of pCO2 and mOsmc were observed. In the cesarean section group, lower levels of ctHb, Hctc, cCa, cGlu, and cLac parameters were observed compared to other groups, while the cNa level was significantly higher. Significant differences were found only between primiparous vaginal delivery and cesarean section groups in the parameter cK, with a significantly lower cK value in the C/S group. Conclusion: Primiparous pregnant women exhibited lower birth weight, lower pH in umbilical cord blood, and higher levels of pCO2, while in the cesarean group, lower APGAR score at 1 minute, lower levels of hemoglobin, calcium, glucose, lactate, and potassium were observed.
Evaluation of Visceral Adipokines: Omentin, Vaspin, and Visfatin in Patients With Gestational Diabetes Mellitus
(Imr Press, 2024) Yilmaz, Mehmet; Aksin, Serif; Bozbay, Nizamettin; Balsak, Deniz; Aboalhasan, Yasmin; Kurnuc, Fatma Zehra; Batmaz, Ibrahim
Background: Gestational diabetes mellitus (GDM) is a common metabolic disorder characterized by glucose intolerance that develops during pregnancy. The underlying pathophysiological mechanisms of GDM involve complex interactions between genetic, environmental, and hormonal factors, including adipokines secreted by visceral adipose tissue. Omentin, vaspin, and visfatin are adipokines believed to influence insulin sensitivity and inflammation, though their precise relationship with GDM remains unclear. This study aimed to examine the association between these adipokines and GDM. Methods: This single-center, prospective controlled cohort study included 87 pregnant patients diagnosed with GDM via an oral glucose tolerance test (OGTT) between the 24th and 28th weeks of gestation, along with 87 control subjects without GDM. Serum levels of omentin, vaspin, and visfatin were measured using enzyme-linked immunosorbent assay (ELISA), and their association with GDM was analyzed. Results: Our results demonstrated that omentin levels were significantly higher in the GDM group compared to the control group (p = 0.012), while no significant differences were observed in vaspin and visfatin levels (p > 0.05). An omentin cut-off value of 29.0 ng/mL predicted GDM with 59.1% sensitivity and 59.1% specificity, suggesting its potential as a biomarker for GDM. Conclusions: This study underscores the unique role of omentin in GDM, in contrast to the non-significant changes observed in vaspin and visfatin levels. The elevated omentin levels in GDM patients suggest its potential as a biomarker for diagnosing and managing GDM. Further research is needed to elucidate the mechanisms through which omentin contributes to the pathophysiology of GDM.