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Erkan Kalafat · SciRah

Researcher profile · Semantic Scholar

Erkan Kalafat

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Erkan Kalafat — researcher profile on SciRah

h-index: 28
Works: 134
Citations: 3,993

Most-cited papers

Effects of the COVID-19 pandemic on maternal and perinatal outcomes: a systematic review and meta-analysis
B. Chmielewska, I. Barratt, R. Townsend, Erkan Kalafat +12 more
2021Lancet Global Health832 citations Open access
Semantic Scholar
COVID-19 vaccination during pregnancy: coverage and safety
H. Blakeway, S. Prasad, Erkan Kalafat, P. Heath +7 more
2021American Journal of Obstetrics and Gynecology364 citations Open access
Semantic Scholar
SARS-CoV-2 infection in pregnancy: A systematic review and meta-analysis of clinical features and pregnancy outcomes
A. Khalil, Erkan Kalafat, C. Benlioğlu, P. O'Brien +8 more
2020EClinicalMedicine316 citations Open access
Semantic Scholar
Cardiovascular System in Preeclampsia and Beyond
B. Thilaganathan, Erkan Kalafat
2019HYPERTENSION189 citations Open access
Semantic Scholar
Global changes in maternity care provision during the COVID-19 pandemic: A systematic review and meta-analysis
R. Townsend, B. Chmielewska, I. Barratt, Erkan Kalafat +11 more
2021EClinicalMedicine171 citations Open access
Semantic Scholar
Lung ultrasound and computed tomographic findings in pregnant woman with COVID‐19
Erkan Kalafat, E. Yaprak, G. Çınar, B. Varlı +4 more
2020Ultrasound in Obstetrics and Gynecology154 citations Open access
Semantic Scholar
A multicenter study on epidemiological and clinical characteristics of 125 newborns born to women infected with COVID-19 by Turkish Neonatal Society
M. Y. Oncel, I. M. Akin, M. K. Kanburoğlu, C. Tayman +53 more
2020European Journal of Pediatrics134 citations Open access
Semantic Scholar
Cardiovascular origins of preeclampsia
Erkan Kalafat, B. Thilaganathan
2017Current Opinion in Obstetrics and Gynecology120 citations
Semantic Scholar
Incidence of postpartum hypertension within 2 years of a pregnancy complicated by pre‐eclampsia: a systematic review and meta‐analysis
V. Giorgione, A. Ridder, Erkan Kalafat, A. Khalil +1 more
2020BJOG: an International Journal of Obstetrics and Gynaecology102 citations Open access
Semantic Scholar
COVID-19 vaccination in pregnancy
Erkan Kalafat, P. Heath, S. Prasad, P. O'Brien +1 more
2022American Journal of Obstetrics and Gynecology95 citations Open access
Semantic Scholar
Home blood pressure monitoring in the antenatal and postpartum period: A systematic review meta-analysis.
Erkan Kalafat, C. Benlioğlu, B. Thilaganathan, A. Khalil
2020Pregnancy Hypertension78 citations Open access
Semantic Scholar
Metformin for prevention of hypertensive disorders of pregnancy in women with gestational diabetes or obesity: systematic review and meta‐analysis of randomized trials
Erkan Kalafat, Y. Şükür, A. Abdi, B. Thilaganathan +1 more
2018Ultrasound in Obstetrics and Gynecology75 citations Open access
Semantic Scholar
Significance of placental cord insertion site in twin pregnancy
Erkan Kalafat, B. Thilaganathan, A. Papageorghiou, A. Bhide +1 more
2018Ultrasound in Obstetrics and Gynecology68 citations Open access
Semantic Scholar
Ophthalmic artery Doppler for prediction of pre‐eclampsia: systematic review and meta‐analysis
Erkan Kalafat, A. Laoreti, A. Khalil, F. da Silva Costa +1 more
2018Ultrasound in Obstetrics and Gynecology65 citations Open access
Semantic Scholar
Prediction of adverse pregnancy outcome in monochorionic diamniotic twin pregnancy complicated by selective fetal growth restriction
C. Monaghan, Erkan Kalafat, J. Binder, B. Thilaganathan +1 more
2019Ultrasound in Obstetrics and Gynecology62 citations Open access
Semantic Scholar
Maternal and perinatal outcomes of SARS‐CoV‐2 infection in unvaccinated pregnancies during Delta and Omicron waves
P. Birol Ilter, S. Prasad, M. Mutlu, A. Tekin +7 more
2022Ultrasound in Obstetrics and Gynecology60 citations Open access
Semantic Scholar
Change in obstetric attendance and activities during the COVID-19 pandemic
A. Khalil, P. von Dadelszen, Erkan Kalafat, M. Sebghati +5 more
2020Lancet. Infectious Diseases (Print)54 citations Open access
Semantic Scholar
Predictive accuracy of Southwest Thames Obstetric Research Collaborative (STORK) chorionicity‐specific twin growth charts for stillbirth: a validation study
Erkan Kalafat, M. Sebghati, B. Thilaganathan, A. Khalil +14 more
2019Ultrasound in Obstetrics and Gynecology49 citations Open access
Semantic Scholar
Assessment of lead and mercury levels in maternal blood, fetal cord blood and placenta in pregnancy with intrauterine growth restriction
Dilek Yüksel, Bayram Yuksel, Erkan Kalafat, T. Yüce +2 more
2021Journal of Basic and Clinical Health Sciences48 citations Open access
Semantic Scholar
Risk of operative delivery for intrapartum fetal compromise in small‐for‐gestational‐age fetuses at term: an internally validated prediction model
Erkan Kalafat, J. Morales-Roselló, B. Thilaganathan, F. Tahera +1 more
2018American Journal of Obstetrics and Gynecology47 citations Open access
Semantic Scholar
Angiogenic Marker Prognostic Models in Pregnant Women With Hypertension
H. Perry, J. Binder, Erkan Kalafat, Stuart Jones +2 more
2020HYPERTENSION46 citations Open access
Semantic Scholar
The Prognostic Value of Angiogenic Markers in Twin Pregnancies to Predict Delivery Due to Maternal Complications of Preeclampsia
J. Binder, P. Palmrich, P. Pateisky, Erkan Kalafat +6 more
2020HYPERTENSION35 citations Open access
Semantic Scholar
Clinical significance of cerebroplacental ratio
Erkan Kalafat, A. Khalil
2018Current Opinion in Obstetrics and Gynecology35 citations Open access
Semantic Scholar
An internally validated prediction model for critical COVID-19 infection and intensive care unit admission in symptomatic pregnant women
Erkan Kalafat, S. Prasad, P. Birol, A. Tekin +22 more
2021American Journal of Obstetrics and Gynecology30 citations Open access
Semantic Scholar
The role of aspirin in prevention of preeclampsia in twin pregnancies: Does the dose matter?
Erkan Kalafat, A. Shirazi, B. Thilaganathan, A. Khalil
2020American Journal of Obstetrics and Gynecology29 citations Open access
Semantic Scholar
Pregnancy outcomes following home blood pressure monitoring in gestational hypertension.
Erkan Kalafat, K. Leslie, A. Bhide, B. Thilaganathan +1 more
2019Pregnancy Hypertension28 citations Open access
Semantic Scholar
Is home blood‐pressure monitoring in hypertensive disorders of pregnancy consistent with clinic recordings?
Erkan Kalafat, I. Mir, H. Perry, B. Thilaganathan +1 more
2018Ultrasound in Obstetrics and Gynecology26 citations Open access
Semantic Scholar
Increased incidence of first‐trimester miscarriage during the COVID‐19 pandemic
K. G. Saçıntı, Erkan Kalafat, Y. Şükür, A. Koç
2021Ultrasound in Obstetrics and Gynecology24 citations Open access
Semantic Scholar
Benefits and potential harms of COVID‐19 vaccination during pregnancy: evidence summary for patient counseling
Erkan Kalafat, O, P. Brien, P. Heath +5 more
2021Ultrasound in Obstetrics and Gynecology24 citations Open access
Semantic Scholar
Efficacy of carbetocin in the prevention of postpartum hemorrhage: a systematic review and Bayesian meta-analysis of randomized trials
Erkan Kalafat, A. Gokce, P. O'Brien, C. Benlioğlu +3 more
2019Journal of Maternal-Fetal & Neonatal Medicine24 citations Open access
Semantic Scholar
Maternal and Perinatal Outcomes of White Coat Hypertension During Pregnancy
Sonia Johnson, Becky Liu, Erkan Kalafat, B. Thilaganathan +1 more
2020HYPERTENSION22 citations Open access
Semantic Scholar
Evidence for uteroplacental malperfusion in fetuses with major congenital heart defects
J. Binder, S. Carta, J. Carvalho, Erkan Kalafat +2 more
2020PLoS ONE20 citations Open access
Semantic Scholar
The Association Between Hypertension in Pregnancy and Preterm Birth with Fetal Growth Restriction in Singleton and Twin Pregnancy: Use of Twin Versus Singleton Charts
Erkan Kalafat, A. Abiola, B. Thilaganathan, A. Bhide +1 more
2020Journal of Clinical Medicine20 citations Open access
Semantic Scholar
Umbilicocerebral ratio: potential implications of inversing the cerebroplacental ratio.
Erkan Kalafat, A. Khalil
2020Ultrasound in Obstetrics and Gynecology19 citations Open access
Semantic Scholar
Selective Fetal Growth Restriction in Dichorionic Twin Pregnancies: Diagnosis, Natural History, and Perinatal Outcome
Nikolaos Antonakopoulos, P. Pateisky, Becky Liu, Erkan Kalafat +2 more
2020Journal of Clinical Medicine18 citations Open access
Semantic Scholar
Angiogenic markers and their longitudinal change for predicting adverse outcomes in pregnant women with chronic hypertension.
J. Binder, Erkan Kalafat, P. Palmrich, P. Pateisky +1 more
2021American Journal of Obstetrics and Gynecology17 citations Open access
Semantic Scholar
Lung ultrasonography in pregnant women during the COVID-19 pandemic: an interobserver agreement study among obstetricians
M. Yassa, M. Mutlu, P. Birol, T. Y. Kuzan +5 more
2020Ultrasonography17 citations Open access
Semantic Scholar
Longitudinal assessment of angiogenic markers in prediction of adverse outcome in women with confirmed pre‐eclampsia
J. Binder, P. Palmrich, Erkan Kalafat, C. Haberl +3 more
2023Ultrasound in Obstetrics and Gynecology16 citations Open access
Semantic Scholar
COVID-19 booster doses in pregnancy and global vaccine equity
Erkan Kalafat, L. Magee, P. von Dadelszen, P. Heath +1 more
2022The Lancet16 citations Open access
Semantic Scholar
The association between adenomyosis and recurrent miscarriage.
C. Atabekoğlu, Y. Şükür, Erkan Kalafat, B. Özmen +3 more
2020European Journal of Obstetrics, Gynecology, and Reproductive Biology16 citations Open access
Semantic Scholar
Risk of neonatal care unit admission in small for gestational age fetuses at term: a prediction model and internal validation
Erkan Kalafat, J. Morales-Roselló, B. Thilaganathan, Jasreen Dhother +1 more
2019Journal of Maternal-Fetal & Neonatal Medicine16 citations Open access
Semantic Scholar
Impact of point-of-care ultrasound and routine third trimester ultrasound on undiagnosed breech presentation and perinatal outcomes: An observational multicentre cohort study
S. Knights, S. Prasad, Erkan Kalafat, A. Dadali +3 more
2023PLoS Medicine15 citations Open access
Semantic Scholar
Utility of lung ultrasound assessment for probable SARS‐CoV‐2 infection during pregnancy and universal screening of asymptomatic individuals
Erkan Kalafat, M. Yassa, A. Koç, N. Tuğ +13 more
2020Ultrasound in Obstetrics and Gynecology15 citations Open access
Semantic Scholar
Longitudinal change in cerebroplacental ratio in small‐for‐gestational‐age fetuses and risk of stillbirth
Erkan Kalafat, E. Ozturk, J. Sivanathan, B. Thilaganathan +1 more
2019Ultrasound in Obstetrics and Gynecology15 citations Open access
Semantic Scholar
Prognostic value of angiogenic markers in pregnancy with fetal growth restriction
P. Palmrich, Erkan Kalafat, P. Pateisky, N. Schirwani-Hartl +4 more
2023Ultrasound in Obstetrics and Gynecology10 citations Open access
Semantic Scholar
Evaluation of immunogenicity and reactogenicity of COVID‐19 vaccines in pregnant women
H. Blakeway, Z. Amin-Chowdhury, S. Prasad, Erkan Kalafat +9 more
2022Ultrasound in Obstetrics and Gynecology10 citations Open access
Semantic Scholar
SARS-CoV-2 vaccination in pregnancy: a unique opportunity for equity
Erkan Kalafat, L. Magee, P. von Dadelszen, P. O'Brien +1 more
2021The Lancet10 citations Open access
Semantic Scholar
Prognostic Value of Maternal Cardiovascular Hemodynamics in Women With Gestational Hypertension and Chronic Hypertension in Pregnancy
Erkan Kalafat, H. Perry, Sophie Bowe, B. Thilaganathan +1 more
2020HYPERTENSION10 citations Open access
Semantic Scholar
Risk of operative delivery for intrapartum fetal compromise in small-for-gestational-age fetuses at term: external validation of the IRIS algorithm
Erkan Kalafat, J. Morales-Roselló, E. Scarinci, B. Thilaganathan +1 more
2020Journal of Maternal-Fetal & Neonatal Medicine9 citations Open access
Semantic Scholar
Maternal cardiovascular function and risk of intrapartum fetal compromise in women undergoing induction of labor: pilot study
Erkan Kalafat, I. Barratt, A. Nawaz, B. Thilaganathan +1 more
2019Ultrasound in Obstetrics and Gynecology9 citations Open access
Semantic Scholar

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