{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,26]],"date-time":"2026-08-26T06:45:50Z","timestamp":1787726750775,"version":"build-2784847793"},"reference-count":34,"publisher":"Elsevier BV","issue":"3","license":[{"start":{"date-parts":[[2015,9,1]],"date-time":"2015-09-01T00:00:00Z","timestamp":1441065600000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/tdm\/userlicense\/1.0\/"},{"start":{"date-parts":[[2015,9,1]],"date-time":"2015-09-01T00:00:00Z","timestamp":1441065600000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/legal\/tdmrep-license"}],"content-domain":{"domain":["ajog.org","clinicalkey.com","clinicalkey.com.au","clinicalkey.es","clinicalkey.fr","clinicalkey.jp","elsevier.com","sciencedirect.com"],"crossmark-restriction":true},"short-container-title":["American Journal of Obstetrics and Gynecology"],"published-print":{"date-parts":[[2015,9]]},"DOI":"10.1016\/j.ajog.2015.05.003","type":"journal-article","created":{"date-parts":[[2015,5,5]],"date-time":"2015-05-05T12:58:07Z","timestamp":1430830687000},"page":"376.e1-376.e8","update-policy":"https:\/\/doi.org\/10.1016\/elsevier_cm_policy","source":"Crossref","is-referenced-by-count":29,"title":["Maternal cardiac evaluation during uncomplicated twin pregnancy with emphasis on the diastolic function"],"prefix":"10.1016","volume":"213","author":[{"given":"Tullio","family":"Ghi","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Daniela","family":"degli Esposti","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Elisa","family":"Montaguti","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Martina","family":"Rosticci","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Sonia","family":"Tancredi","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Aly","family":"Youssef","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Maria Valentina","family":"di Giovanni","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Gianluigi","family":"Pilu","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Claudio","family":"Borghi","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Nicola","family":"Rizzo","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"78","reference":[{"key":"10.1016\/j.ajog.2015.05.003_bib1","doi-asserted-by":"crossref","first-page":"487","DOI":"10.1046\/j.1469-0705.2000.00135.x","article-title":"Maternal cardiac systolic and diastolic function: relationship with uteroplacental resistances. A Doppler and echocardiographic longitudinal study","volume":"15","author":"Valensise","year":"2000","journal-title":"Ultrasound Obstet Gynecol"},{"key":"10.1016\/j.ajog.2015.05.003_bib2","doi-asserted-by":"crossref","first-page":"709","DOI":"10.1161\/HYPERTENSIONAHA.111.176537","article-title":"Preeclampsia is associated with persistent postpartum cardiovascular impairment","volume":"58","author":"Melchiorre","year":"2011","journal-title":"Hypertension"},{"key":"10.1016\/j.ajog.2015.05.003_bib3","doi-asserted-by":"crossref","first-page":"437","DOI":"10.1161\/HYPERTENSIONAHA.112.194159","article-title":"Maternal cardiovascular impairment in pregnancies complicated by severe fetal growth restriction","volume":"60","author":"Melchiorre","year":"2012","journal-title":"Hypertension"},{"key":"10.1016\/j.ajog.2015.05.003_bib4","first-page":"H1060","article-title":"Serial study of factors influencing changes in cardiac output during human pregnancy","volume":"256","author":"Robson","year":"1989","journal-title":"Am J Physiol"},{"key":"10.1016\/j.ajog.2015.05.003_bib5","doi-asserted-by":"crossref","first-page":"1382","DOI":"10.1016\/0002-9378(93)90405-8","article-title":"Early pregnancy changes in hemodynamics and volume homeostasis are consecutive adjustments triggered by a primary fall in systemic vascular tone","volume":"169","author":"Duvekot","year":"1993","journal-title":"Am J Obstet Gynecol"},{"key":"10.1016\/j.ajog.2015.05.003_bib6","doi-asserted-by":"crossref","first-page":"849","DOI":"10.1016\/S0002-9378(94)70297-7","article-title":"A\u00a0longitudinal study of cardiac output in normal human pregnancy","volume":"170","author":"Mabie","year":"1994","journal-title":"Am\u00a0J Obstet Gynecol"},{"key":"10.1016\/j.ajog.2015.05.003_bib7","doi-asserted-by":"crossref","first-page":"20","DOI":"10.1097\/01.AOG.0000128170.15161.1d","article-title":"Echocardiographic assessment of cardiovascular hemodynamics in normal pregnancy","volume":"104","author":"Desai","year":"2004","journal-title":"Obstet Gynecol"},{"key":"10.1016\/j.ajog.2015.05.003_bib8","doi-asserted-by":"crossref","first-page":"360","DOI":"10.1016\/j.euje.2006.12.004","article-title":"Maternal left ventricular diastolic and systolic long-axis function during normal pregnancy","volume":"8","author":"Bamfo","year":"2007","journal-title":"Eur J Echocardiogr"},{"key":"10.1016\/j.ajog.2015.05.003_bib9","doi-asserted-by":"crossref","first-page":"413","DOI":"10.1097\/GCO.0b013e328359826f","article-title":"Cardiac structure and function in normal pregnancy","volume":"24","author":"Melchiorre","year":"2012","journal-title":"Curr Opin Obstet Gynecol"},{"key":"10.1016\/j.ajog.2015.05.003_bib10","doi-asserted-by":"crossref","first-page":"781","DOI":"10.1016\/0002-9378(66)90079-2","article-title":"Cardiovascular hemodynamics in pregnancy. 2. Cardiac output and left ventricular work in multiple pregnancy","volume":"95","author":"Rovinsky","year":"1966","journal-title":"Am J Obstet Gynecol"},{"key":"10.1016\/j.ajog.2015.05.003_bib11","doi-asserted-by":"crossref","first-page":"261","DOI":"10.1016\/S0002-9378(85)80109-5","article-title":"Maternal cardiovascular adaptations to twin pregnancy","volume":"153","author":"Veille","year":"1985","journal-title":"Am J Obstet Gynecol"},{"key":"10.1016\/j.ajog.2015.05.003_bib12","first-page":"217","article-title":"Arterial blood pressure\u2013the pattern of change in twin pregnancies","volume":"34","author":"Campbell","year":"1985","journal-title":"Acta Genet Med Gemellol (Roma)"},{"key":"10.1016\/j.ajog.2015.05.003_bib13","doi-asserted-by":"crossref","first-page":"1273","DOI":"10.1016\/0002-9378(89)90682-0","article-title":"Hemodynamic changes during twin pregnancy.\u00a0A Doppler and M-mode echocardiographic study","volume":"161","author":"Robson","year":"1989","journal-title":"Am J Obstet Gynecol"},{"key":"10.1016\/j.ajog.2015.05.003_bib14","doi-asserted-by":"crossref","first-page":"14","DOI":"10.3109\/00016349409013386","article-title":"Atrial natriuretic peptide, blood volume, aldosterone, and sodium excretion during twin pregnancy","volume":"73","author":"Thomsen","year":"1994","journal-title":"Acta Obstet Gynecol Scand"},{"key":"10.1016\/j.ajog.2015.05.003_bib15","first-page":"806","article-title":"Maternal cardiac function in twin pregnancy","volume":"102","author":"Kametas","year":"2003","journal-title":"Obstet Gynecol"},{"key":"10.1016\/j.ajog.2015.05.003_bib16","doi-asserted-by":"crossref","first-page":"575","DOI":"10.1002\/uog.8936","article-title":"Maternal cardiac function in normal twin pregnancy: a longitudinal study","volume":"38","author":"Kuleva","year":"2011","journal-title":"Ultrasound Obstet Gynecol"},{"key":"10.1016\/j.ajog.2015.05.003_bib17","doi-asserted-by":"crossref","first-page":"581","DOI":"10.1002\/uog.8915","article-title":"Maternal cardiac function in complicated twin pregnancy: a longitudinal study","volume":"38","author":"Ghi","year":"2011","journal-title":"Ultrasound Obstet Gynecol"},{"key":"10.1016\/j.ajog.2015.05.003_bib18","doi-asserted-by":"crossref","first-page":"133","DOI":"10.1055\/s-2002-25313","article-title":"Diagnosis of intrauterine growth restriction: comparison of ultrasound parameters","volume":"19","author":"Ott","year":"2002","journal-title":"Am J Perinatol"},{"key":"10.1016\/j.ajog.2015.05.003_bib19","doi-asserted-by":"crossref","first-page":"S1","DOI":"10.1067\/mob.2000.107928","article-title":"Report of the national high blood pressure education program working group on high blood\u00a0pressure in pregnancy","volume":"183","year":"2000","journal-title":"Am J Obstet Gynecol"},{"key":"10.1016\/j.ajog.2015.05.003_bib20","first-page":"159","article-title":"Diagnosis and management of preeclampsia and eclampsia. ACOG Practice bulletin no. 33","volume":"99","year":"2002","journal-title":"Obstet Gynecol"},{"key":"10.1016\/j.ajog.2015.05.003_bib21","doi-asserted-by":"crossref","first-page":"1977","DOI":"10.1161\/CIRCULATIONAHA.109.192064","volume":"119","author":"Jessup","year":"2009","journal-title":"Circulation"},{"key":"10.1016\/j.ajog.2015.05.003_bib22","doi-asserted-by":"crossref","first-page":"696","DOI":"10.3109\/14767058.2013.834325","article-title":"Post-partum evaluation of maternal cardiac function after severe preeclampsia","volume":"27","author":"Ghi","year":"2014","journal-title":"J\u00a0Matern Fetal Neonatal Med"},{"key":"10.1016\/j.ajog.2015.05.003_bib23","doi-asserted-by":"crossref","first-page":"918","DOI":"10.1016\/j.ahj.2008.06.042","article-title":"Cardiovascular sequelae of preeclampsia\/eclampsia: a systematic review and meta-analyses","volume":"156","author":"McDonald","year":"2008","journal-title":"Am Heart J"},{"key":"10.1016\/j.ajog.2015.05.003_bib24","doi-asserted-by":"crossref","first-page":"1469","DOI":"10.1016\/S0002-9149(97)00738-8","article-title":"Cardiovascular function before, during, and after the first and\u00a0subsequent pregnancies","volume":"80","author":"Clapp","year":"1997","journal-title":"Am J Cardiol"},{"key":"10.1016\/j.ajog.2015.05.003_bib25","doi-asserted-by":"crossref","first-page":"599","DOI":"10.1042\/CS20080142","article-title":"Deterioration in cardiac systolic and diastolic function late in normal human pregnancy","volume":"116","author":"Zentner","year":"2009","journal-title":"Clin Sci"},{"key":"10.1016\/j.ajog.2015.05.003_bib26","first-page":"289","article-title":"Peripartum cardiomyopathy: definition, incidence, etiopathogenesis, diagnosis and management","volume":"22","author":"Garg","year":"2014","journal-title":"Cardiol Rev"},{"key":"10.1016\/j.ajog.2015.05.003_bib27","doi-asserted-by":"crossref","first-page":"583","DOI":"10.1097\/AOG.0b013e318229e6de","article-title":"Epidemiology of\u00a0peripartum cardiomyopathy: incidence, predictors, and outcomes","volume":"118","author":"Gunderson","year":"2011","journal-title":"Obstet Gynecol"},{"key":"10.1016\/j.ajog.2015.05.003_bib28","doi-asserted-by":"crossref","first-page":"87","DOI":"10.4330\/wjc.v6.i3.87","article-title":"Peripartum cardiomyopathy: a puzzle closer to solution","volume":"6","author":"Fett","year":"2014","journal-title":"World J Cardiol"},{"key":"10.1016\/j.ajog.2015.05.003_bib29","doi-asserted-by":"crossref","first-page":"938","DOI":"10.1016\/S0002-9378(00)70350-4","article-title":"Hypertensive disorders in twin versus singleton gestations. National Institute of Child Health and Human Development Network of Maternal-Fetal\u00a0Medicine Units","volume":"182","author":"Sibai","year":"2000","journal-title":"Am J Obstet Gynecol"},{"key":"10.1016\/j.ajog.2015.05.003_bib30","doi-asserted-by":"crossref","first-page":"428.e1","DOI":"10.1016\/j.ajog.2007.10.783","article-title":"Twin pregnancy and the risk of preeclampsia: bigger placenta or relative ischemia?","volume":"198","author":"Bdolah","year":"2008","journal-title":"Am J Obstet Gynecol"},{"key":"10.1016\/j.ajog.2015.05.003_bib31","doi-asserted-by":"crossref","first-page":"228","DOI":"10.1046\/j.0960-7692.2001.00470.x","article-title":"Twin chorionicity and pre-eclampsia","volume":"18","author":"Savvidou","year":"2001","journal-title":"Ultrasound Obstet Gynecol"},{"key":"10.1016\/j.ajog.2015.05.003_bib32","doi-asserted-by":"crossref","first-page":"270","DOI":"10.1007\/BF00795619","article-title":"Volume-dependent echocardiographic parameters are not useful for\u00a0estimating baseline blood volume but are useful for detecting acute changes in vascular filling state","volume":"89","author":"Duvekot","year":"1994","journal-title":"Basic Res Cardiol"},{"key":"10.1016\/j.ajog.2015.05.003_bib33","doi-asserted-by":"crossref","first-page":"414","DOI":"10.1002\/uog.3966","article-title":"Reference ranges for tissue Doppler measures of maternal systolic and diastolic left ventricular function","volume":"29","author":"Bamfo","year":"2007","journal-title":"Ultrasound Obstet Gynecol"},{"key":"10.1016\/j.ajog.2015.05.003_bib34","doi-asserted-by":"crossref","first-page":"789","DOI":"10.1002\/uog.3849","article-title":"Left ventricular diastolic function during\u00a0normal pregnancy: assessment by spectral tissue Doppler imaging","volume":"28","author":"Fok","year":"2006","journal-title":"Ultrasound Obstet Gynecol"}],"container-title":["American Journal of Obstetrics and Gynecology"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S0002937815004524?httpAccept=text\/plain","content-type":"text\/plain","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S0002937815004524?httpAccept=text\/xml","content-type":"text\/xml","content-version":"vor","intended-application":"text-mining"}],"deposited":{"date-parts":[[2025,9,11]],"date-time":"2025-09-11T11:01:28Z","timestamp":1757588488000},"score":1,"resource":{"primary":{"URL":"https:\/\/linkinghub.elsevier.com\/retrieve\/pii\/S0002937815004524"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2015,9]]},"references-count":34,"journal-issue":{"issue":"3","published-print":{"date-parts":[[2015,9]]}},"alternative-id":["S0002937815004524"],"URL":"https:\/\/doi.org\/10.1016\/j.ajog.2015.05.003","relation":{},"ISSN":["0002-9378"],"issn-type":[{"value":"0002-9378","type":"print"}],"subject":[],"published":{"date-parts":[[2015,9]]},"assertion":[{"value":"Elsevier","name":"publisher","label":"This article is maintained by"},{"value":"Maternal cardiac evaluation during uncomplicated twin pregnancy with emphasis on the diastolic function","name":"articletitle","label":"Article Title"},{"value":"American Journal of Obstetrics and Gynecology","name":"journaltitle","label":"Journal Title"},{"value":"https:\/\/doi.org\/10.1016\/j.ajog.2015.05.003","name":"articlelink","label":"CrossRef DOI link to publisher maintained version"},{"value":"article","name":"content_type","label":"Content Type"},{"value":"Copyright \u00a9 2015 Elsevier Inc. All rights reserved.","name":"copyright","label":"Copyright"}]}}