{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,9,20]],"date-time":"2025-09-20T20:14:53Z","timestamp":1758399293419},"reference-count":34,"publisher":"Springer Science and Business Media LLC","issue":"4","license":[{"start":{"date-parts":[[2015,7,29]],"date-time":"2015-07-29T00:00:00Z","timestamp":1438128000000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/www.springer.com\/tdm"}],"funder":[{"name":"Funda\u00e7\u00e3o para a Ci\u00eancia e a Tecnologia (FCT), Portugal","award":["SFRH\/BPD\/69671\/2010"],"award-info":[{"award-number":["SFRH\/BPD\/69671\/2010"]}]}],"content-domain":{"domain":["link.springer.com"],"crossmark-restriction":false},"short-container-title":["Med Biol Eng Comput"],"published-print":{"date-parts":[[2016,4]]},"DOI":"10.1007\/s11517-015-1359-7","type":"journal-article","created":{"date-parts":[[2015,7,28]],"date-time":"2015-07-28T10:55:05Z","timestamp":1438080905000},"page":"691-699","update-policy":"http:\/\/dx.doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":14,"title":["Toward the improvement in fetal monitoring during labor with the inclusion of maternal heart rate analysis"],"prefix":"10.1007","volume":"54","author":[{"given":"Hern\u00e2ni","family":"Gon\u00e7alves","sequence":"first","affiliation":[]},{"given":"Paula","family":"Pinto","sequence":"additional","affiliation":[]},{"given":"Manuela","family":"Silva","sequence":"additional","affiliation":[]},{"given":"Diogo","family":"Ayres-de-Campos","sequence":"additional","affiliation":[]},{"given":"Jo\u00e3o","family":"Bernardes","sequence":"additional","affiliation":[]}],"member":"297","published-online":{"date-parts":[[2015,7,29]]},"reference":[{"key":"1359_CR1","first-page":"260","volume":"36","author":"D Ayres-de-Campos","year":"2008","unstructured":"Ayres-de-Campos D, Sousa P, Costa A, Bernardes J (2008) Omniview-SisPorto 3.5\u2014a central fetal monitoring station with online alerts based on computerized cardiotocogram+ST event analysis. J Perinat Med 36:260\u2013264","journal-title":"J Perinat Med"},{"key":"1359_CR2","first-page":"30","volume":"36","author":"P Bakker","year":"2008","unstructured":"Bakker P, van Geijn H (2008) Uterine activity: implications for the condition of the fetus. J Perinat Med 36:30\u201337","journal-title":"J Perinat Med"},{"key":"1359_CR3","doi-asserted-by":"crossref","first-page":"33","DOI":"10.1016\/S0020-7292(97)02846-4","volume":"57","author":"J Bernardes","year":"1997","unstructured":"Bernardes J, Costa-Pereira A, Ayres-de-Campos D, van Geijn HP, Pereira-Leite L (1997) Evaluation of interobserver agreement of cardiotocograms. Int J Gynaecol Obstet 57:33\u201337","journal-title":"Int J Gynaecol Obstet"},{"key":"1359_CR4","doi-asserted-by":"crossref","first-page":"21","DOI":"10.1111\/j.1471-0528.1993.tb10631.x","volume":"100","author":"MC Carter","year":"1993","unstructured":"Carter MC (1993) Signal processing and display\u2014cardiotocographs. Br J Obstet Gynaecol 100:21\u201323","journal-title":"Br J Obstet Gynaecol"},{"key":"1359_CR5","doi-asserted-by":"crossref","first-page":"S3","DOI":"10.1016\/j.jadohealth.2012.04.008","volume":"51","author":"JA DiPietro","year":"2012","unstructured":"DiPietro JA (2012) Maternal stress in pregnancy: considerations for fetal development. J Adolescent Health 51:S3\u2013S8","journal-title":"J Adolescent Health"},{"key":"1359_CR6","doi-asserted-by":"crossref","first-page":"251","DOI":"10.1016\/S0020-7292(97)02890-7","volume":"57","author":"JW Dudenhausen","year":"1997","unstructured":"Dudenhausen JW, Luhr C, Dimer JS (1997) Umbilical artery blood gases in healthy term newborn infants. Int J Gynaecol Obstet 57:251\u2013258","journal-title":"Int J Gynaecol Obstet"},{"key":"1359_CR7","volume-title":"Modern mathematical statistics","author":"E Dudewicz","year":"1998","unstructured":"Dudewicz E, Mishra S (1998) Modern mathematical statistics. Wiley, New York"},{"key":"1359_CR8","doi-asserted-by":"crossref","first-page":"155","DOI":"10.1016\/j.ejogrb.2013.01.003","volume":"168","author":"A Georgieva","year":"2013","unstructured":"Georgieva A, Moulden M, Redman CWG (2013) Umbilical cord gases in relation to the neonatal condition: the EveREst plot. Eur J Obstet Gynecol Reprod Biol 168:155\u2013160","journal-title":"Eur J Obstet Gynecol Reprod Biol"},{"key":"1359_CR9","doi-asserted-by":"crossref","first-page":"889","DOI":"10.1111\/1471-0528.12568","volume":"121","author":"A Georgieva","year":"2014","unstructured":"Georgieva A, Papageorghiou AT, Payne SJ, Moulden M, Redman CWG (2014) Phase-rectified signal averaging for intrapartum electronic fetal heart rate monitoring is related to acidaemia at birth. BJOG 121:889\u2013894","journal-title":"BJOG"},{"key":"1359_CR10","doi-asserted-by":"crossref","first-page":"307","DOI":"10.1088\/0967-3334\/27\/3\/008","volume":"27","author":"H Gon\u00e7alves","year":"2006","unstructured":"Gon\u00e7alves H, Rocha AP, Ayres-de-Campos D, Bernardes J (2006) Internal versus external intrapartum foetal heart rate monitoring: effect on linear and nonlinear parameters. Physiol Meas 27:307\u2013319","journal-title":"Physiol Meas"},{"key":"1359_CR11","doi-asserted-by":"crossref","first-page":"847","DOI":"10.1007\/s11517-006-0105-6","volume":"44","author":"H Gon\u00e7alves","year":"2006","unstructured":"Gon\u00e7alves H, Rocha AP, Ayres-de-Campos D, Bernardes J (2006) Linear and nonlinear fetal heart rate analysis of normal and acidemic fetuses in the minutes preceding delivery. Med Biol Eng Comput 44:847\u2013855","journal-title":"Med Biol Eng Comput"},{"key":"1359_CR12","doi-asserted-by":"crossref","first-page":"1133","DOI":"10.1088\/0967-3334\/29\/9\/010","volume":"29","author":"H Gon\u00e7alves","year":"2008","unstructured":"Gon\u00e7alves H, Henriques-Coelho T, Bernardes J, Rocha AP, Nogueira A, Leite-Moreira A (2008) Linear and nonlinear heart-rate analysis in a rat model of acute anoxia. Physiol Meas 29:1133\u20131143","journal-title":"Physiol Meas"},{"key":"1359_CR13","doi-asserted-by":"crossref","first-page":"559","DOI":"10.1016\/j.medengphy.2012.06.020","volume":"35","author":"H Gon\u00e7alves","year":"2013","unstructured":"Gon\u00e7alves H, Henriques-Coelho T, Rocha AP, Louren\u00e7o AP, Leite-Moreira A, Bernardes J (2013) Comparison of different methods of heart rate entropy analysis during acute anoxia superimposed on a chronic rat model of pulmonary hypertension. Med Eng Phys 35:559\u2013568","journal-title":"Med Eng Phys"},{"key":"1359_CR14","doi-asserted-by":"crossref","first-page":"665","DOI":"10.1007\/s11517-013-1036-7","volume":"51","author":"H Gon\u00e7alves","year":"2013","unstructured":"Gon\u00e7alves H, Costa A, Ayres-de-Campos D, Costa-Santos C, Rocha AP, Bernardes J (2013) Comparison of real beat-to-beat signals with commercially available 4\u00a0Hz sampling on the evaluation of foetal heart rate variability. Med Biol Eng Comput 51:665\u2013676","journal-title":"Med Biol Eng Comput"},{"key":"1359_CR15","doi-asserted-by":"crossref","first-page":"7","DOI":"10.1097\/JPN.0b013e3181cc3a95","volume":"24","author":"L Hanson","year":"2010","unstructured":"Hanson L (2010) Risk management in intrapartum fetal monitoring: accidental recording of the maternal heart rate. J Perinat Neonatal Nurs 24:7\u20139","journal-title":"J Perinat Neonatal Nurs"},{"key":"1359_CR16","doi-asserted-by":"crossref","first-page":"627","DOI":"10.3109\/10253890.2011.614662","volume":"14","author":"C Hellgren","year":"2011","unstructured":"Hellgren C, Akerud H, Jonsson M, Sundstr\u00f6m Poromaa I (2011) Sympathetic reactivity in late pregnancy is related to labour onset in women. STRESS 14:627\u2013633","journal-title":"STRESS"},{"key":"1359_CR17","doi-asserted-by":"crossref","first-page":"745","DOI":"10.1080\/00016340802220352","volume":"87","author":"M Jonsson","year":"2008","unstructured":"Jonsson M, Nord\u00e9n-Lindeberg S, \u00d6stlund I, Hanson U (2008) Acidemia at birth, related to obstetric characteristics and to oxytocin use, during the last two hours of labour. Acta Obstet Gynecol Scand 87:745\u2013750","journal-title":"Acta Obstet Gynecol Scand"},{"key":"1359_CR18","doi-asserted-by":"crossref","first-page":"203","DOI":"10.1016\/j.earlhumdev.2011.08.007","volume":"88","author":"JY Kwon","year":"2012","unstructured":"Kwon JY, Park IY, Shin JC, Song J, Tafreshi R, Lim J (2012) Specific change in spectral power of fetal heart rate variability related to fetal acidemia during labour. Early Hum Dev 88:203\u2013207","journal-title":"Early Hum Dev"},{"key":"1359_CR19","doi-asserted-by":"crossref","first-page":"1966","DOI":"10.1109\/TBME.2008.919870","volume":"55","author":"S Lu","year":"2008","unstructured":"Lu S, Chen X, Kanters JK, Solomon IC, Chon KH (2008) Automatic selection of the threshold value r for approximate entropy. IEEE Trans Biomed Eng 55:1966\u20131972","journal-title":"IEEE Trans Biomed Eng"},{"key":"1359_CR20","volume-title":"Computational statistics handbook with MATLAB","author":"WL Martinez","year":"2002","unstructured":"Martinez WL, Martinez AR (2002) Computational statistics handbook with MATLAB. CRC Press, Boca Raton"},{"key":"1359_CR21","doi-asserted-by":"crossref","first-page":"365","DOI":"10.1016\/j.earlhumdev.2014.04.009","volume":"90","author":"LE May","year":"2014","unstructured":"May LE, Suminski RR, Berry A, Langaker MD, Gustafson KM (2014) Maternal physical activity mode and fetal heart outcome. Early Hum Dev 90:365\u2013369","journal-title":"Early Hum Dev"},{"key":"1359_CR22","doi-asserted-by":"crossref","first-page":"93","DOI":"10.1177\/0884217503261161","volume":"33","author":"ML Murray","year":"2004","unstructured":"Murray ML (2004) Maternal or fetal heart rate? Avoiding intrapartum misidentification. J Obstet Gynecol Neonatal Nurs 33:93\u2013104","journal-title":"J Obstet Gynecol Neonatal Nurs"},{"key":"1359_CR23","doi-asserted-by":"crossref","first-page":"1428","DOI":"10.1111\/j.1600-0412.2012.01511.x","volume":"91","author":"R Nurani","year":"2012","unstructured":"Nurani R, Chandraharan E, Lowe V, Ugwumadu A, Arulkumaran S (2012) Misidentification of maternal heart rate as fetal on cardiotocography during the second stage of labor: the role of the fetal electrocardiograph. Acta Obstet et Gynecol Scand 91:1428\u20131432","journal-title":"Acta Obstet et Gynecol Scand"},{"key":"1359_CR24","doi-asserted-by":"crossref","first-page":"2297","DOI":"10.1073\/pnas.88.6.2297","volume":"88","author":"S Pincus","year":"1991","unstructured":"Pincus S (1991) Approximate entropy as a measure of system complexity. Proc Natl Acad Sci USA 88:2297\u20132301","journal-title":"Proc Natl Acad Sci USA"},{"key":"1359_CR25","first-page":"249","volume":"79","author":"S Pincus","year":"1992","unstructured":"Pincus S, Viscarello R (1992) Approximate entropy: a regularity measure for fetal heart rate analysis. Obstet Gynecol 79:249\u2013255","journal-title":"Obstet Gynecol"},{"key":"1359_CR26","doi-asserted-by":"crossref","first-page":"30","DOI":"10.1016\/j.compbiomed.2014.03.007","volume":"49","author":"P Pinto","year":"2014","unstructured":"Pinto P, Bernardes J, Costa-Santos C, Amorim-Costa C, Silva M, Ayres-de-Campos D (2014) Development and evaluation of an algorithm for computer analysis of maternal heart rate during labor. Comput Biol Med 49:30\u201335","journal-title":"Comput Biol Med"},{"key":"1359_CR27","doi-asserted-by":"crossref","first-page":"H2039","DOI":"10.1152\/ajpheart.2000.278.6.H2039","volume":"278","author":"JS Richman","year":"2000","unstructured":"Richman JS, Moorman JR (2000) Physiological time-series analysis using approximate entropy and sample entropy. Am J Physiol Heart Circ Physiol 278:H2039\u2013H2049","journal-title":"Am J Physiol Heart Circ Physiol"},{"key":"1359_CR28","doi-asserted-by":"crossref","first-page":"59","DOI":"10.1016\/S0967-0661(01)00133-2","volume":"10","author":"P S\u00e1 Couto","year":"2002","unstructured":"S\u00e1 Couto P, van Meurs W, Bernardes J, Marques de S\u00e1 J, Goodwin J (2002) Mathematical model for educational simulation of the oxygen delivery to the fetus. Control Eng Pract 10:59\u201366","journal-title":"Control Eng Pract"},{"key":"1359_CR29","doi-asserted-by":"crossref","first-page":"20120191","DOI":"10.1098\/rsta.2012.0191","volume":"371","author":"S Schulz","year":"2013","unstructured":"Schulz S, Adochiei FC, Edu IR, Schroeder R, Costin H, Bar KJ, Voss A (2013) Cardiovascular and cardiorespiratory coupling analyses: a review. Philos Tran A Math Phys Eng Sci 371:20120191","journal-title":"Philos Tran A Math Phys Eng Sci"},{"key":"1359_CR30","first-page":"542","volume":"99","author":"DJ Sherman","year":"2002","unstructured":"Sherman DJ, Frenkel E, Kurzweil Y, Padua A, Arieli S, Bahar M (2002) Characteristics of maternal heart rate patterns during labor and delivery. Obstet Gynecol 99:542\u2013547","journal-title":"Obstet Gynecol"},{"key":"1359_CR31","unstructured":"STAN Service Manual (2005) Neoventa, Sweden"},{"key":"1359_CR32","doi-asserted-by":"crossref","first-page":"1227","DOI":"10.1067\/mob.2000.104221","volume":"182","author":"T Suzuki","year":"2000","unstructured":"Suzuki T, Okamura K, Kimura Y, Watanabe T, Yaegashi N, Murotsuki J, Uehara S, Yajima A (2000) Power spectral analysis of R\u2013R interval variability before and during the sinusoidal heart rate pattern in fetal lambs. Am J Obstet Gynecol 182:1227\u20131232","journal-title":"Am J Obstet Gynecol"},{"key":"1359_CR33","first-page":"354","volume":"17","author":"Task force of the European Society of Cardiology and the North American Society of Pacing and Electrophysiology","year":"1996","unstructured":"Task force of the European Society of Cardiology and the North American Society of Pacing and Electrophysiology (1996) Heart rate variability\u2014standards of measurement, physiological interpretation and clinical use. Circ 17:354\u2013381","journal-title":"Circ"},{"key":"1359_CR34","doi-asserted-by":"crossref","first-page":"824","DOI":"10.1111\/j.1471-0528.2012.03335.x","volume":"119","author":"P Yeh","year":"2012","unstructured":"Yeh P, Emary K, Impey L (2012) The relationship between umbilical cord arterial pH and serious adverse neonatal outcome: analysis of 51\u00a0519 consecutive validated samples. BJOG 119:824\u2013831","journal-title":"BJOG"}],"container-title":["Medical &amp; Biological Engineering &amp; Computing"],"original-title":[],"language":"en","link":[{"URL":"http:\/\/link.springer.com\/content\/pdf\/10.1007\/s11517-015-1359-7.pdf","content-type":"application\/pdf","content-version":"vor","intended-application":"text-mining"},{"URL":"http:\/\/link.springer.com\/article\/10.1007\/s11517-015-1359-7\/fulltext.html","content-type":"text\/html","content-version":"vor","intended-application":"text-mining"},{"URL":"http:\/\/link.springer.com\/content\/pdf\/10.1007\/s11517-015-1359-7","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2019,8,28]],"date-time":"2019-08-28T16:37:09Z","timestamp":1567010229000},"score":1,"resource":{"primary":{"URL":"http:\/\/link.springer.com\/10.1007\/s11517-015-1359-7"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2015,7,29]]},"references-count":34,"journal-issue":{"issue":"4","published-print":{"date-parts":[[2016,4]]}},"alternative-id":["1359"],"URL":"https:\/\/doi.org\/10.1007\/s11517-015-1359-7","relation":{},"ISSN":["0140-0118","1741-0444"],"issn-type":[{"value":"0140-0118","type":"print"},{"value":"1741-0444","type":"electronic"}],"subject":[],"published":{"date-parts":[[2015,7,29]]}}}