Nikolaos Vrachnis

ORCID: 0000-0001-9067-5308
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About
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Research Areas
  • Pregnancy and preeclampsia studies
  • Birth, Development, and Health
  • Preterm Birth and Chorioamnionitis
  • Neonatal Respiratory Health Research
  • Reproductive System and Pregnancy
  • Endometriosis Research and Treatment
  • Ovarian cancer diagnosis and treatment
  • Maternal and Perinatal Health Interventions
  • Endometrial and Cervical Cancer Treatments
  • Maternal and fetal healthcare
  • Global Maternal and Child Health
  • Gestational Diabetes Research and Management
  • Assisted Reproductive Technology and Twin Pregnancy
  • Global Health Care Issues
  • Reproductive Biology and Fertility
  • Prenatal Screening and Diagnostics
  • Ovarian function and disorders
  • Pregnancy-related medical research
  • Uterine Myomas and Treatments
  • Ectopic Pregnancy Diagnosis and Management
  • Pelvic floor disorders treatments
  • Cervical Cancer and HPV Research
  • Ultrasound in Clinical Applications
  • Maternal Mental Health During Pregnancy and Postpartum
  • Gynecological conditions and treatments

University General Hospital Attikon
2019-2024

National and Kapodistrian University of Athens
2015-2024

Aretaeio Hospital
2011-2024

St George's, University of London
2018-2024

National Public Health Organization
2022-2024

University of Patras
2023-2024

St George’s University Hospitals NHS Foundation Trust
2018-2024

LETO Maternity Hospital
2012-2024

Tzaneion General Hospital
2023-2024

Cabrini Hospital
2024

Previous Gestational Diabetes Mellitus (pGDM) is a common condition and has been associated with future development of Type 2 (T2DM) Metabolic Syndrome (MS) in women affected. The pathogenesis risk factors implicated the these conditions later lives pGDM are not as yet fully understood. Research recently focused on group substances produced mainly by adipose tissue called adipokines, this including, among others, adiponectin, leptin, Retinol-Binding Protein-4 (RBP-4), resistin. These well...

10.1155/2012/549748 article EN cc-by International Journal of Endocrinology 2012-01-01

As global demographics shift toward increasing paternal age, the realm of assisted reproductive technologies (ARTs), particularly in vitro fertilization (IVF) and intracytoplasmic sperm injection (ICSI), faces new challenges opportunities. This study provides a comprehensive exploration implications advanced age on ART outcomes. Background research highlights social, cultural, economic factors driving men later fatherhood, with focus impact delayed paternity Methods involve thorough review...

10.3390/jcm13102731 article EN Journal of Clinical Medicine 2024-05-07

Oxytocin, a hormone involved in numerous physiologic processes, plays central role the mechanisms of parturition and lactation. It acts through its receptor, which belongs to G-protein-coupled receptor superfamily, while Gq/phospholipase C (PLC)/inositol 1,4,5-triphosphate (InsP3) is main pathway via it exerts action myometrium. Changes levels, desensitization, locally produced oxytocin are factors that influence effect on uterine contractility labor. Activation causes myometrial...

10.1155/2011/350546 article EN cc-by International Journal of Endocrinology 2011-01-01

To investigate the association of different clinical parameters with histological diagnosis and prevalence premalignant malignant endometrial polyps.The study included 516 cases from January 2002 to December 2006. Possible risk factors such as age, menopause status, abnormal bleeding, obesity, hypertension, diabetes mellitus, hormone therapy, use tamoxifen size polyp were investigated in relation their potential polyps.All polyps underwent hysteroscopic resection; 96.9% benign, 1.2% 1.9%...

10.1080/13697130902912605 article EN Climacteric 2009-01-01

The prevalence of gestational diabetes mellitus (GDM) in the developed world has increased at an alarming rate over last few decades. GDM been shown to be associated with postpartum diabetes, insulin resistance, hypertension, and dyslipidemia. A history previous (pGDM), or not any these metabolic abnormalities, can increase risk developing only type 2 but also cardiovascular disease (CVD) independent a diagnosis later life. In this paper we discuss relationship among inflammatory markers,...

10.1155/2012/458610 article EN cc-by International Journal of Endocrinology 2012-01-01

Background and Objectives: Fetal growth abnormalities increase the risk of negative perinatal long-term outcomes. Bisphenol A (BPA) is a ubiquitous endocrine-disrupting chemical to which humans may be exposed in number ways, such as from environment, via various consumer products, through individual's diet. Since compound possesses estrogen-mimicking properties exerts epigenetic genotoxic effects, it has been associated with harmful effects impacting entire spectrum human life, including,...

10.3390/medicina59050882 article EN cc-by Medicina 2023-05-04

Objective. The aim of the present study was: (a) to measure levels tumor markers, Carcinoembryonic antigen (CEA), Cancer 19-9 (CA19-9), 125 (CA125), Neuron specific enolase (NSE) and Cytokeratin fragments 19 (CYFRA21-1); (b) investigate any correlation between them inflammatory biomarkers C-reactive protein (CRP), Erythrocyte sedimentation rate (ESR) white blood cells count (WBC), in patients with chronic obstructive pulmonary disease (COPD) exacerbation, who belong groups severity C D, as...

10.3109/00365513.2014.992944 article EN Scandinavian Journal of Clinical and Laboratory Investigation 2015-01-19
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