Relja Lukić

ORCID: 0000-0003-3650-828X
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About
Contact & Profiles
Research Areas
  • Prenatal Screening and Diagnostics
  • Gestational Trophoblastic Disease Studies
  • Ectopic Pregnancy Diagnosis and Management
  • Pregnancy and preeclampsia studies
  • Human Health and Disease
  • Birth, Development, and Health
  • Pregnancy and Medication Impact
  • Fetal and Pediatric Neurological Disorders
  • HIV-related health complications and treatments
  • Parvovirus B19 Infection Studies
  • HIV/AIDS Research and Interventions
  • Assisted Reproductive Technology and Twin Pregnancy
  • Congenital Anomalies and Fetal Surgery
  • Congenital Heart Disease Studies
  • Optimism, Hope, and Well-being
  • HIV Research and Treatment
  • COVID-19 Impact on Reproduction
  • Maternal and Perinatal Health Interventions
  • Tumors and Oncological Cases
  • COVID-19 and Mental Health
  • HIV/AIDS drug development and treatment
  • Gestational Diabetes Research and Management
  • Cardiac Imaging and Diagnostics
  • Neurological Disorders and Treatments
  • Traumatic Brain Injury and Neurovascular Disturbances

University of Belgrade
2004-2024

Libin Cardiovascular Institute of Alberta
2013

University of Calgary
2013

Calgary Laboratory Services
2011

Institut Sains dan Teknologi Al-Kamal
2005

Grade Medical (Czechia)
2004

CO2 is an intrinsic vasodilator for cerebral and myocardial blood vessels. Myocardial vasodilation without a parallel increase of the oxygen demand leads to changes in oxygenation. Because apnoea hyperventilation modify CO2, we hypothesized that voluntary breathing manoeuvres induce oxygenation can be measured by oxygenation-sensitive cardiovascular magnetic resonance (CMR). Fourteen healthy volunteers were studied. Eight performed free long breath-hold as well 1- 2-min hyperventilation,...

10.1093/ehjci/jet171 article EN European Heart Journal - Cardiovascular Imaging 2013-09-27

The aim of this study was to examine the effectiveness a combination parameters at first-trimester screening for fetal aneuploidies, including ultrasound assessment nasal bone (NB), blood flow in ductus venosus (DV) and across tricuspid valve.Screening aneuploidy carried out 4172 singleton pregnancies between January 2006 December 2010. Diagnostic accuracy combined [inclusive maternal age, nuchal translucency (NT) thickness serum free beta-human chorionic gonadotropin pregnancy-associated...

10.1002/pd.3873 article EN Prenatal Diagnosis 2012-05-09

Objective The objective of this study was to analyze if the addition simple cardiac scan in cases with increased nuchal translucency (NT) and/or abnormal ductus venosus (DV) blood flow, tricuspid regurgitation (TCR) can improve detection congenital heart defects (CHD) chromosomally normal fetuses without non-cardiac at 11-13 + 6 gestational weeks a population singleton pregnancies. Methods During 10 years period, all pregnancies were routinely scanned for NT, DV flow and TCR assessment and,...

10.1111/chd.12852 article EN Congenital Heart Disease 2019-10-01

The mental health of healthcare workers, especially the nursing staff in intensive care units, is crucial for optimal functioning systems during medical emergencies. This study implements a cross-sectional design to investigate associations between nurses’ personal characteristics, workplace challenges, and job satisfaction with increased perception tension, stress, pressure at (TSPW) before COVID-19 pandemic. In 2021, we surveyed 4210 nurses from 19 facilities capital Serbia, Belgrade, and,...

10.3390/healthcare12060663 article EN Healthcare 2024-03-15

Background and Objectives: The aim of the present work was to compare characteristics delta omicron variants COVID-19 infection in pregnant women, association with comorbidity, clinical manifestation disease, type delivery, pregnancy outcome. Material Methods: study designed as an observational, retrospective a single center. analysis included cohort women who had SARS-CoV-2 during and/or childbirth period from 1 March 2020 30 June 2023. Results: Out total 675 infection, 130 gave birth 253...

10.3390/medicina60060935 article EN cc-by Medicina 2024-06-03

The aim of this study was to evaluate the screening performances abnormal ductus venosus (DV) blood flow for detection heart defects in chromosomally normal fetuses with increased nuchal translucency (NT) thickness at 11-13 + 6 weeks' gestational a population singleton pregnancies.During an 8-year period, all pregnancies from 11 0 13 weeks were scanned NT and DV assessment. Two groups cases evaluated: ≥ 95th 99th centile. waveforms considered be if a-wave reversed or absent (R/A).Addition...

10.1002/pd.4693 article EN Prenatal Diagnosis 2015-09-26

This is a case report of consequences that malignant gestational trophoblastic disease (GTD) can cause on reproductive health protruding into uterine wall and damaging tissue. Transvaginal Doppler ultrasound examination be great value in detecting molar tissue, protrusion trophoblast wall, neovasularization It expected to measure low resistance index field neovascularization, because neovascularization malignancy not rare those vessels do have muscular stratum. an example possible...

10.1111/j.1048-891x.2004.14425.x article EN International Journal of Gynecological Cancer 2004-07-01

Introduction. Aneuploidies are the major cause of perinatal death and early psychophysical disorders. Objective. In this study, we analyzed detection false-positive rates screening for aneuploidies in first trimester by combination maternal age, fetal nuchal translucency (NT) thickness serum free beta-human chorionic gonadotrophin (?-hCG), pregnancy-associated plasma protein-A (PAPP-A) at 11-13+6 weeks gestation, using appropriate software developed Fetal Medicine Foundation. Methods. Our...

10.2298/sarh1210606k article EN cc-by-nc Srpski arhiv za celokupno lekarstvo 2012-01-01

To prevent mother-to-child transmission (PMTCT) of the human immunodeficiency virus (HIV) during pregnancy, appropriate dosing regimens antiretroviral (ARV) drugs need to be determined. Reliable data about pharmacokinetic (PK) characteristics ARVs from randomized clinical trials (RCTs) are lacking, and post-marketing observational studies may offer valuable, but sometimes insufficient data, especially in pregnant people living with HIV (PLWHIV). This review article is focused PK...

10.1080/17425255.2024.2353762 article EN Expert Opinion on Drug Metabolism & Toxicology 2024-05-13

Introduction/Aim: Increased rates of Cesarean section (CS) and subsequent short-term long-term maternal complications (MC) neonatal (NC) have been reported. The aim this study was to compare MC NC between elective emergent CS. Material Methods: Data from medical records pregnant women who had undergone CS at Gynecology Obstetrics Clinic "Narodni front" were retrospectively collected. inclusion criteria as follows: low-risk, term monofetal pregnancies with obstetrical CS-indications other...

10.5937/medi57-48454 article EN Medicinska istrazivanja 2024-01-01

This is a case report of consequences that malignant gestational trophoblastic disease (GTD) can cause on reproductive health protruding into uterine wall and damaging tissue. Transvaginal Doppler ultrasound examination be great value in detecting molar tissue, protrusion trophoblast wall, neovasularization It expected to measure low resistance index field neovascularization, because neovascularization malignancy not rare those vessels do have muscular stratum. an example possible...

10.1136/ijgc-00009577-200407000-00017 article EN cc-by-nc-nd International Journal of Gynecological Cancer 2004-06-01

Purpose of investigation: The objective this study was to predict preeclampsia using extreme-low first-trimester pregnancy-associated- plasma-protein-A-(PAPP-A), free-beta-human-chorionic-gonadotropin-(free-βhCG)-levels, and extreme-high pulsatility- index (PI) uterine arteries, as single combined predictors for development in resource-limited-settings. Materials Methods: First-trimester screening PAPP A, free-βhCG, PI performed between 11-13+6 gestation-weeks nulliparous, normotensive women...

10.12891/ceog3534.2017 article EN Clinical and Experimental Obstetrics & Gynecology 2017-12-10

Background/Aim. Adverse pregnancy outcomes such as preeclampsia (PE), placental abruption (PA), fetal intrauterine growth restriction (IUGR) and stillbirth could be recognized by prenatal screening. The objective of this study was to predict IUGR using first-trimester extremely low pregnancy-associated plasma protein-A (PAPP-A), free beta-human chorionic gonadotropin (free ?hCG) levels, high Pulsatility-index (PI) uterine arteries, single combined predictors for development. Methods. This a...

10.2298/vsp180109070l article EN cc-by-sa Vojnosanitetski pregled 2018-04-25

Transvaginal Doppler ultrasonography has an important role in detecting and confirming the gestational trophoblastic disease (GTD). It can also be helpful early detection of malignant cases GTD such as invasion protrusion tissue into uterine wall. Ultrasonographic picture is specific for presence prominent zones vasculavization peritrophoblastic tissue, well which developed. Resistance Index (RI) values were measured at level blood vessels suspected to detect neovascularization, followed...

10.2298/vsp0502103n article EN cc-by-sa Vojnosanitetski pregled 2005-01-01

The aim of this study was to evaluate predictive value ductus venosus flow for fetal major cardiac defects during screening with nuchal translucence (NT) thickness at 11 − 13 + 6 weeks gestation. Prospective first-trimester aneuploidies including measurement NT and assessment carried out in 4394 singleton pregnancies between January 2006 December 2011. population euploid fetuses included 29 cases 4365 no defects.The above the 95th 99th centile (30.3%) 9 (21.2%) defects, respectively (p =...

10.1002/uog.13639 article EN Ultrasound in Obstetrics and Gynecology 2014-09-01
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