Ivan Verdenik

ORCID: 0000-0001-6249-5799
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Research Areas
  • Pregnancy and preeclampsia studies
  • Assisted Reproductive Technology and Twin Pregnancy
  • Birth, Development, and Health
  • Maternal and Perinatal Health Interventions
  • Gestational Diabetes Research and Management
  • Neonatal Respiratory Health Research
  • Preterm Birth and Chorioamnionitis
  • Pregnancy-related medical research
  • Ovarian function and disorders
  • Reproductive Biology and Fertility
  • Endometriosis Research and Treatment
  • Global Maternal and Child Health
  • Gynecological conditions and treatments
  • Uterine Myomas and Treatments
  • Infant Development and Preterm Care
  • Prenatal Screening and Diagnostics
  • Ovarian cancer diagnosis and treatment
  • Bariatric Surgery and Outcomes
  • Cardiac, Anesthesia and Surgical Outcomes
  • Ectopic Pregnancy Diagnosis and Management
  • Vaccine Coverage and Hesitancy
  • Pelvic floor disorders treatments
  • Aldose Reductase and Taurine
  • Reproductive System and Pregnancy
  • Maternal Mental Health During Pregnancy and Postpartum

Ljubljana University Medical Centre
2016-2025

University of Ljubljana
2006-2024

Eurocontrol
2024

Higher Education Centre Novo Mesto
2020-2022

University Medical Center
2019

Kaplan Medical Center
2015

Charité - Universitätsmedizin Berlin
2012

Walter de Gruyter (Germany)
2012

Očesna Klinika UKC Ljubljana
2003-2004

Abstract Objective: To identify the prevalence of and to determine risk factors for developing a fear childbirth (tokophobia). Methods: We evaluated 191 pregnant women during Parenting Childbirth Classes. Participants were approached when attending Classes between June 2014 September asked complete several questionnaires related depression (CES-D), anxiety (STAI X1 X2), satisfaction with life (SWLS), delivery expectation/experience (W-DEQ), specific fears. Results: Most (90%) responders...

10.1515/jpm-2016-0282 article EN Journal of Perinatal Medicine 2017-04-05

ObjectiveStress urinary incontinence (SUI) is a common complaint in women after childbirth. It affects their quality of life and sexual satisfaction one the major reasons for gynaecological surgery. There need effective non-invasive treatment alternatives. The aim this study was to evaluate efficacy safety non-ablative Er:YAG laser therapy SUI improvement gratification parous women.Study design114 premenopausal with were randomized two groups 57 women; intervention group sham group. Both...

10.1016/j.ejogrb.2018.03.038 article EN cc-by-nc-nd European Journal of Obstetrics & Gynecology and Reproductive Biology 2018-03-22

10.1016/j.ejogrb.2006.12.001 article EN European Journal of Obstetrics & Gynecology and Reproductive Biology 2006-12-20

The aim of this study was to evaluate morphological and functional malocclusion trait changes in 3- 12-year-old children determine whether such traits at the 3, 4, 5 years age correlated with severity score 12 age.

10.1093/ejo/cjm065 article EN European Journal of Orthodontics 2007-10-01

Several preventive measures have been applied to limit the COVID-19 pandemic, including successful development and introduction of vaccines. The aim this study was investigate adherence vaccination intentions among nursing students in three European countries factors associated with intention advising vaccination. A cross-sectional using convenience/snow-ball sampling strategy performed Slovenia, Poland, Serbia between 12 February 5 March 2021. Data from 872 eligible respondents were...

10.3390/healthcare9070781 article EN Healthcare 2021-06-22

Abstract Objective To assess changes in caesarean section (CS) rates Europe from 2015 to 2019 and utilise the Robson Ten Group Classification System (TGCS) evaluate contribution of different obstetric populations overall CS trends. Design Observational study utilising routine birth registry data. Setting A total 28 European countries. Population Births at ≥22 weeks gestation 2019. Methods Using a federated model, individual‐level data sources each country were formatted common model...

10.1111/1471-0528.17670 article EN cc-by-nc BJOG An International Journal of Obstetrics & Gynaecology 2023-10-01

Platinum-resistant high-grade serous carcinoma (HGSC) is an incurable disease, so biomarkers that could help with timely treatment adjustments and personalized approach are extensively being sought. Tumor-derived extracellular vesicles (EVs) can be isolated from ascites blood of HGSC patients such promising biomarkers. Epithelial cell adhesion molecule (EpCAM) expression upregulated in most epithelium-derived tumors; however, studies on prognostic value EpCAM overexpression ovarian have...

10.3390/ijms25126780 article EN International Journal of Molecular Sciences 2024-06-20
Jennifer Zeitlin Marianne Philibert Henrique Barros Lisa Broeders Ján Cáp and 95 more Željka Draušnik Hilde Engjom Alex Farr J. Fresson Miriam Gatt Mika Gissler Günther Heller Jelena Isakova Karin Källén Theopisti Kyprianou Marzia Loghi Kirsten Monteath Laust Hvas Mortensen Tonia Rihs Luule Sakkeus Izabela Sikora Katarzyna Szamotulska P Velebil Ivan Verdenik Guy Weber Irisa Zīle Óscar Zurriaga Lucy Smith Jeannette Klimont Alex Farr Sophie Alexander Marie Delnord Judith Racapé Gisèle Vandervelpen Wei Hong Zhang Rumyana Kolarova Evelin Jordanova Jelena Dimnjaković Željka Draušnik Urelija Rodin Theopisti Kyprianou Vasos Scoutellas Jitka Jírová P Velebil Anne Vinkel Hansen Laust Hvas Mortensen Liili Abuladze Luule Sakkeus Mika Gissler Anna Heino Melissa Amyx Béatrice Blondel Anne Alice Chantry Catherine Deneux‐Tharaux Mélanie Durox J. Fresson Alice Hocquette Marianne Philibert Annick Vilain Jennifer Zeitlin Dimitra Bon Günther Heller Björn Misselwitz Aris Antsaklis István Sziller Védís Helga Eiríksdóttir Jóhanna Gunnarsdóttir Helga Sól Ólafsdóttir Karen Kearns Izabela Sikora Rosaria Boldrini Marina Cuttini Serena Donati Marzia Loghi Marilena Pappagallo Jānis Misiņš Irisa Zīle Rita Gaidelyte Jelena Isakova Audrey Billy Aline Lecomte Jessica Pastore Guy Weber Miriam Gatt Peter Achterberg Lisa Broeders Ashna D. Hindori‐Mohangoo Jan G. Nijhuis Rupali Akerkar Hilde Engjom Kari Klungsøyr Ewa Mierzejewska Katarzyna Szamotulska Henrique Barros Carina Rodrigues Mihaela-Alexandra Budianu Alexandra Cucu Mihai Horga Lucian Puşcaşiu Petru Sandu

Abstract Background Despite concerns about worsening pregnancy outcomes resulting from healthcare restrictions, economic difficulties and increased stress during the COVID-19 pandemic, preterm birth (PTB) rates declined in some countries 2020, while stillbirth appeared stable. Like other shocks, pandemic may have exacerbated existing socioeconomic disparities pregnancy, but this remains to be established. Our objective was investigate changes PTB by status (SES) European countries. Methods...

10.1093/eurpub/ckad186 article EN cc-by European Journal of Public Health 2024-07-01

Abstract Stillbirth rates have stalled or increased in some European countries during the last decade. We investigate to what extent time-trends and between-country differences stillbirth are explained by changing prevalence of advanced maternal age teenage pregnancies multiple births. analysed data on stillbirths live births multiplicity from 2010 2021 25 using Kitagawa decomposition separate rate into compositional components. Rates significantly decreased six countries, but two. Changes...

10.1093/eurpub/ckae214 article EN cc-by European Journal of Public Health 2025-01-21

Objectives: There are still limited or lacking data on the association of trace elements (TEs) with polycystic ovary syndrome (PCOS). This case–control study aimed to determine levels essential TEs (manganese (Mn), copper (Cu), zinc (Zn), selenium (Se), molybdenum (Mo)) and non-essential (arsenic (As), cadmium (Cd), mercury (Hg), lead (Pb)) in urine, whole blood, serum investigate a possible kidney liver function, endocrine metabolic parameters, environmental lifestyle sources potential...

10.3390/metabo15020079 article EN cc-by Metabolites 2025-01-29

To improve the treatment outcome and survival of patients with advanced high-grade serous carcinoma (HGSC), prognostic biomarkers for assessing feasibility complete (R0) or optimal (R1) primary cytoreductive surgery are needed. Additionally, predicting response to neoadjuvant chemotherapy (NACT) in inoperable disease could help stratify tailored therapy personalised approach. Such promising extracellular vesicles (EVs), which present ascites plasma available minimally invasive liquid biopsy....

10.1038/s41598-025-88707-9 article EN cc-by Scientific Reports 2025-02-06

10.1016/s0301-2115(00)00418-8 article EN European Journal of Obstetrics & Gynecology and Reproductive Biology 2001-04-01

Human papillomaviruses (HPV) are the most frequently sexually transmitted viruses and etiological agents of several human cancers. Controversial results role HPV in infertile population on sperm parameters have been published. The aim this study was to estimate type-specific prevalence DNA infection external genitalia semen 340 Slovenian men from couples establish relationship between seminal abnormal parameters. Self-taken swabs entire penile surface samples were collected, detection...

10.1155/2014/956901 article EN cc-by BioMed Research International 2014-01-01

The aim of the study was to compare single pregnancy and neonate outcome after fresh frozen-thawed embryo transfer in vitro fertilization programme (IVF). focused on clinical laboratory factors affecting abnormal placentation, especially placenta praevia, patients conceiving IVF programme. results confirm that neonates born had significantly higher mean birth weight than (ET). Moreover, distribution singletons found shift towards "large for gestation" (LGA) ET. On other hand, pregnancies ET...

10.1155/2014/431797 article EN cc-by BioMed Research International 2014-01-01

The first large outbreak of SARS-CoV-2 in Europe occurred Northern Italy February 2020. relatively fast spread the infection to Slovenia was expected, and preventive measures for its suppression were widely discussed.An online questionnaire designed evaluate adherence extent which taking associated with people's anxiety level, psychological burden, their perceived vulnerability disease, germ aversion a number demographic characteristics early stage Covid-19 spread. survey active 24 hours...

10.2478/sjph-2021-0004 article SL cc-by-nc-nd Slovenian Journal of Public Health 2020-12-31

Regular physical activity during pregnancy is associated with several maternal and neonatal health benefits. However, most studies focus on specific forms of exercise in low-risk populations, limiting generalizability. To investigate associations between regular singleton perinatal outcomes using a national registry. A population-based cohort study was conducted data from the Slovenian National Perinatal Information System (2013-2022), which included 190,331 pregnancies. defined as any form...

10.1016/j.eurox.2025.100380 article EN cc-by-nc-nd European Journal of Obstetrics & Gynecology and Reproductive Biology X 2025-03-01

To evaluate associated factors for preeclampsia in twin gestations and to compare incidences of pregnancy complications among pregnancies with vs. without preeclampsia.We performed a case-control study using population dataset delivered after 24 weeks gestation, Slovenia, between 1997 2009. Cases were complicated by controls cases matched gestational age, parity, chorionicity.We identified 181 (4.7%) 3885 twins 542 controls. High pre-pregnancy body mass index (BMI) diabetes significantly...

10.1515/jpm-2011-0252 article EN Journal of Perinatal Medicine 2012-02-14

Although aldo-keto reductases (AKRs) have been widely studied in cancer, no study to date has examined the roles of AKR family 1 members B1 (AKR1B1) and B10 (AKR1B10) a large group ovarian cancer patients. AKR1B1 AKR1B10 play significant role inflammation metabolism different chemotherapeutics as well cell differentiation, proliferation, apoptosis. Due these functions, we potential tissue biomarkers. We assessed immunohistochemical levels paraffin sections from 99 patients with high-grade...

10.3390/cancers14030809 article EN Cancers 2022-02-05
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