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Nagel C - - 2010
Heart rate is an important parameter of fetal well-being. We have analyzed fetal heart rate (HR) and heart rate variability (HRV) by fetomaternal electrocardiography (ECG) in the horse (Equus caballus) from midpregnancy to foaling. It was the aim of the study to detect changes in the regulation of fetal cardiac ...
Nor?n H?kan - - 2010
OBJECTIVE: The purpose of this study was to investigate quality-of-care improvements after the introduction of ST waveform analysis as an adjunct to standard cardiotocography (CTG). STUDY DESIGN: This was a prospective clinical study that was conducted over 7 years. Four yearly cohorts of 12,832 term pregnancies were part of a ...
Gebeh A - - 2010
The aim of this study was to assess cardiotocograph (CTG) interpretation by midwives and trainee obstetricians using the standard and a modified definition of fetal heart rate deceleration compared with consultant interpretation as the Gold Standard. A randomised survey using the online tool at: www.surveymonkey.com between 4 January and 24 ...
Dede F S - - 2010
This study was conducted to determine the incidence and risk factors of fetal loss in threatened abortion after ultrasonographic detection of fetal cardiac activity in a low socioeconomic population. A total of 202 women with singleton pregnancies who presented with vaginal bleeding in which fetal heart activity was ultrasonographically demonstrated ...
Nonnenmacher Andreas - - 2010
AIMS: To determine the predictive value of fetal pulse oximetry (FPO) for the development of fetal acidosis in cases of non-reassuring fetal heart rate (FHR). METHODS: In a prospective observational study, pulse oximetry monitoring was examined in cases of non-reassuring FHR during singleton cephalic delivery at 36-42 weeks' gestation. The ...
Fanelli Andrea - - 2010
Fetal Heart Rate (FHR) monitoring gives important information about the fetus health state during pregnancy. This paper presents a new prototype for remote fetal monitoring. The device will allow to monitor FHR in a domiciliary context and to send fetal ECG traces to a hospital facility, where clinicians can interpret ...
DiPietro Janet A - - 2010
Fetal neurobehavioral development was modeled longitudinally using data collected at weekly intervals from 24 to 38 weeks gestation in a sample of 112 healthy pregnancies. Predictive associations between 3 measures of fetal neurobehavioral functioning and their developmental trajectories to neurological maturation in the first weeks after birth were examined. Prenatal ...
Mensah-Brown Nana Aba - - 2010
Fetal magnetocardiography (fMCG) is a promising new technique for assessing fetal rhythm; however, no prior studies have utilized fMCG to evaluate human fetal electromechanical physiology. Pre-ejection period (PEP) is an important measure of the electromechanical activation of the heart, and is altered by disease states and arrhythmias. A novel technique ...
Serikawa Takehiro - - 2010
We present a case study of a patient with a congenital heart block associated with a left isomerism that was diagnosed during the 26th week of gestation. The mother had type 2 diabetes mellitus that was difficult to control during the early stages of the pregnancy. A fetal echocardiogram revealed ...
Fett James D - - 2009
Peripartum cardiomyopathy (PPCM) is defined as the first appearance of systolic heart failure in a previously healthy woman during the last month of pregnancy or up to 6 months postpartum. Both planned and unplanned pregnancies may occur in recovered and non-recovered PPCM mothers, requiring careful counseling and management strategies. Previous ...
Fett James D - - 2010
OBJECTIVE: To quantify the level of risk for heart failure relapse in a subsequent pregnancy in women who have had peripartum cardiomyopathy (PPCM), and to test the hypothesis that meeting additional criteria may help lower the risk. METHODS: Prospectively-identified PPCM patients volunteering between 2003 and 2009 were identified from the ...
Karvounis E C - - 2010
OBJECTIVES: This paper describes a methodology for the monitoring of the fetal cardiac health status during pregnancy, through the effective and non-invasive monitoring of the abdominal ECG signals (abdECG) of the mother. METHODS: For this purpose, a three-stage methodology has been developed. In the first stage, the fetal heart rate ...
Wojakowski A - - 2009
OBJECTIVES: To establish normal fetal values for the mechanical PR interval by pulsed-wave Doppler at 16-36 weeks of gestation, and to evaluate the influence of fetal heart rate (FHR), gestational age (GA) and fetal sex. METHODS: Fetal mechanical PR intervals were evaluated prospectively by obstetric ultrasound examination. Healthy mothers with ...
Hazarika Debeeka - - 2009
Two multigravidae aged 27 and 29 years, with previous uneventful pregnancies, second being psoriatic, reported at 24 and 28 weeks of pregnancies, with generalized pustular lesions. Laboratory findings, including serum calcium were normal. Ultrasonography showed normal fetal growth. Histopathology confirmed pustular psoriasis. Patients were put on cyclosporine 3 mg/ kg ...
Buscicchio G - - 2009
OBJECTIVE: To investigate fetal heart rate (FHR) of fetuses whose mothers are under levothyroxin treatment for chronic hypothyroidism. STUDY DESIGN: Sixty women under chronic therapy with levothyroxin and 180 controls at 37-39 weeks' gestation were studied by Sonycaid Sistem 8002(R) computerized cardiotocography (cCTG) for 30 min. cCTG parameters were expressed ...
Frasch Martin G - - 2009
Assessment of baroreceptor reflex sensitivity (BRS) in the ovine fetus provides insight into autonomic cardiovascular regulation. Currently, assessment of BRS relies on vasoactive drugs, but this approach is limited by feasibility issues and by the nonphysiologic nature of the stimulus. Thus we aimed to validate the method of spontaneous BRS ...
Elliott Colm - - 2010
OBJECTIVE: The objective of the study was to measure the performance of a 5-tier, color-coded graded classification of electronic fetal monitoring (EFM). STUDY DESIGN: We used specialized software to analyze and categorize 7416 hours of EFM from term pregnancies. We measured how often and for how long each of the ...
McCubbin J - - 2010
Analysis of fetal magnetoencephalographic brain recordings is restricted by low signal to noise ratio (SNR) and non-stationarity of the sources. Beamformer techniques have been applied to improve SNR of fetal evoked responses. However, until now the effect of non-stationarity was not taken into account in detail, because the detection of ...
Towers C V - - 2009
The objective of this study is to present and describe the fetal heart rate appearance in pregnancies complicated by an antenatal spontaneous umbilical cord hematoma that resulted in a live birth. Three cases of antenatal spontaneous umbilical cord hematoma are described. All three patients presented with a complaint of decreased ...
Serra V - - 2009
OBJECTIVE: To analyze the evolution of computerized cardiotocography (cCTG) parameters throughout gestation in a large archive of traces from healthy fetuses. METHODS: This was a cross-sectional study of the first cCTG record from 4412 singleton fetuses with good pregnancy outcome. Normal ranges of cCTG parameters for 25 to 42 weeks ...
Meher-Un-Nisa - - 2009
Obesity is rapidly increasing in most populations of the world including Saudi community. Maternal obesity adversely impacts pregnancy outcome through increased rates of hypertensive disease, diabetes, cesarean section and infections. The aim of this study is to determine frequency of obesity and its adverse effects on reproductive outcome in pregnant ...
Davey Brooke T - - 2009
An excellent imaging tool in the prenatal diagnosis and ongoing evaluation of congenital heart defects, fetal echocardiography is indicated in a selected population at increased risk compared with the general population. For certain "soft markers" of fetal congenital heart defects, ambiguity in the indications for fetal echo may result in ...
Swartz Anthony E - - 2009
To estimate the effect of an increase in the basal heart rate of the fetus on the middle cerebral artery peak systolic velocity (MCA-PSV). This was a prospective longitudinal cohort. Patients between 14 and 36 weeks of gestation were enrolled (N=66). Ultrasound examinations were performed monthly. MCA-PSV measurements were assessed ...
Galazios Georgios - - 2010
OBJECTIVE: In this study, we tried to establish cut-off values for more than one parameters of computerized cardiotocography (c CTG) in the prediction of fetal distress during labor, using a group of pregnant women with low-risk pregnancies. METHOD: A retrospective study was performed. Data were collected from 167 patients for ...
Ungureanu G Mihaela - - 2009
Fetal monitoring using abdominally recorded signals (ADS) allows physicians to detect occurring changes in the well-being state of the fetus from the beginning of pregnancy. Mainly based on the fetal electrocardiogram (fECG), it provides the long-term fetal heart rate (fHR) and assessment of the fetal QRS morphology. But the fECG ...
Caliskan Eray - - 2009
OBJECTIVE: To integrate intermittent fetal pulse oximetry (FPO) to intrapartum fetal assessment and reduce the rate of caesarean sections. METHODS: A randomised controlled trial using 37 weeks as a restriction point was conducted in 230 women induced with misoprostol. One hundred-fourteen were assessed with intermittent FPO plus fetal heart rate ...
Moertl Manfred G - - 2009
OBJECTIVE: To examine non-invasively haemodynamic and autonomous parameters throughout normal pregnancy. STUDY DESIGN: We used the Task Force Monitor 3040i system to retrieve, record, and calculate haemodynamic as well as autonomous parameters. 20 healthy women were included and scheduled for longitudinal examinations throughout normal pregnancy. Heart rate (HR), blood pressure ...
Hayashi Risa - - 2009
Although ultrasonic diagnostic imaging and fetal heart monitors have undergone great technological improvements, the development and use of fetal electrocardiograms to evaluate fetal arrhythmias and autonomic nervous activity have not been fully established. We verified the clinical significance of the novel signal-averaged vector-projected high amplification ECG (SAVP-ECG) method in fetuses ...
Guan Junchang - - 2009
Prenatal exposure to nicotine is associated with a variety of adverse outcomes. The present study investigated the effect of low doses of nicotine during pregnancy on fetal blood gases, cardiovascular system, and cellular activation in the brain. Intravenous administration of nicotine 10 or 25 microg/kg into ewe did not affect ...
Towers Craig V - - 2009
BACKGROUND: The diagnosis of carbon monoxide poisoning in the third trimester of pregnancy requires an index of suspicion, and the appearance of the fetal heart monitor tracing may help in this regard. CASES: Three cases of third-trimester acute carbon monoxide poisoning occurred. In each pregnancy, the fetal heart monitor tracing ...
Buczinski Sébastien - - 2009
Cloned pregnancies in cattle are considered to be at risk due to a variety of fetal or adnexal abnormalities. Data is lacking concerning the possibility of transabdominal ultrasonography in the assessment of these high risk pregnancies. Transabdominal ultrasonography has rarely been reported in the assessment of bovine cloned pregnancies. Ten ...
Hoyer Dirk - - 2009
BACKGROUND: The fetal precursors of mental and cardiovascular disease caused by adverse prenatal environmental influences and manifesting in later age are an important issue of developmental medicine. However the number of measurable functional parameters of a fetus is limited. Evaluation of key parameters involving fetal autonomic control could permit an ...
Schneider U - - 2009
The aim of this study was to investigate the hypothesis that fetal beat-to-beat heart rate variability (fHRV) displays the different time scales of sympatho-vagal development prior to and after 32 weeks of gestation (wks GA). Ninety-two magnetocardiograms of singletons with normal courses of pregnancy between 24 + 1 and 41 ...
Mischi M - - 2009
Monitoring and analysis of the fetal-heart and the uterine-muscle activity, referred to as electrohysterogram (EHG), is essential to permit timely treatment during pregnancy. While remarkable progress is reported for monitoring of the fetal cardiac activity, the EHG measurement and interpretation remains challenging, and limited knowledge is available on the underlying ...
Graatsma E M - - 2009
The feasibility and accuracy of long-term transabdominal fetal electrocardiogram (fECG) recordings throughout pregnancy were studied using a portable fECG monitor. Fifteen-hour recordings of fetal heart rate (FHR) were performed in 150 pregnant women at 20-40 weeks of gestation and 1-hour recordings were performed in 22 women in labour and compared ...
Noorlander Cornelle W - - 2009
[This corrects the article on p. e2782 in vol. 3.].
Muñoz Brands Rutger M - - 2009
BACKGROUND: The 2nd born in twin delivery is at higher risk of fetal asphyxia. We tested the hypothesis that inadequate, fetal heart rate (FHR) monitoring has contributed to an inadvertent outcome. STUDY DESIGN: A database was reviewed consisting of 41 twin deliveries with a pH in the umbilical artery of ...
Chen Chen-Yu - - 2009
Cardiotocography (CTG) is a frequently used technique of fetal monitoring to evaluate the well being of the fetus during pregnancy and in labor. The surveillance technique depends on the analysis of characteristic fetal heart rate patterns and uterine contractions. Computerized analyses can mitigate the intra-observer and inter-observer variability of visual ...
Hasan M A - - 2009
Fetal electrocardiogram (FECG) signal contains potentially precise information that could assist clinicians in making more appropriate and timely decisions during labor. The ultimate reason for the interest in FECG signal analysis is in clinical diagnosis and biomedical applications. The extraction and detection of the FECG signal from composite abdominal signals ...
Reddy Aparna - - 2009
OBJECTIVE: Our aim was to identify antepartum fetal heart rate (FHR) records of high-frequency (HF) sinusoidal rhythms from an electronic database (1983-2003) and determine clinical outcomes. STUDY DESIGN: At the John Radcliffe Hospital (Oxford, UK), 72,297 traces from 19,506 women were analyzed using an algorithm that identifies HF sinusoidal rhythms. ...
Towers Craig V - - 2009
Fetal tachycardia caused by the transplacental passage of thyroid stimulating immunoglobulin is well established, but very little information exists regarding the fetal heart rate appearance of this form of tachycardia. Two cases of fetal tachycardia are described in pregnancies complicated by fetal thyrotoxicosis where maternal thyroid history was unknown at ...
Roy K K - - 2008
Non-reassuring fetal heart detected by cardiotocography is sometimes misinterpreted leading to increased rate of emergency cesarean section. We analyzed prospectively 217 patients of non-reassuring fetal heart detected by cardiotocography during labor who underwent emergency cesarean section. We found non-reassuring fetal heart rate detected by cardiotocography did not correlate well with ...
Xi Lin - - 2008
Effects of increasing maternal L-carnitine on carnitine status and energy metabolism in the fetus were evaluated by feeding pregnant swine a corn-soybean-based diet containing either 0 or 50 mg/kg added L-carnitine (n = 10/treatment) during the first 70 d of gestation. Carnitine, carnitine palmitoyltransferase (CPT), and pyruvate dehydrogenase complex (PDHC) ...
Tietge W - - 2008
Acquired heart block during pregnancy is rare. We describe the case of a 29-year-old pregnant female with fatigue due to an unexplained high-degree AV conduction disorder. She was treated with a dual chamber pacing system. Further pregnancy and delivery were without complications. The sparse literature on this topic is reviewed. ...
Neri Isabella - - 2009
We compared the effects of ritodrine and atosiban treatments on fetal cardiovascular behavior by computerized nonstress test (c-NST) analysis. Women diagnosed with preterm labor were randomized to receive either atosiban or ritodrine. A c-NST was performed at least 12 hours after the last corticosteroid administration. Differences in fetal cardiovascular behavior ...
Rao Y - - 2008
This study was designed to evaluate the effects of pregnancy on the solubility of halogenated volatile anaesthetics in rat blood and tissues. Tissue samples from 10 pregnant and 10 non-pregnant adult female Sprague Dawley rats, including the heart, liver, kidney and brain, were obtained and made into respective homogenates. Blood/gas ...
Habedank Dirk - - 2008
Peripartum cardiomyopathy (PPCM) is a potentially devastating cause of heart failure that affects women late in pregnancy or in early puerperium. Recent findings showed that a 16 kDa fragment of prolactin may induce myocardial damage, and this offered a new option of treating PPCM by blocking prolactin with bromocriptine. We ...
Tekin Arzu - - 2008
AIM: To determine how fetal pulse oximetry behaves in various cardiotocographic (CTG) tracings and correlates with neonatal outcome. PATIENTS AND METHODS: Pregnant women undergoing active labor with singleton pregnancies of 32-42 weeks were enrolled. CTG recordings were reassuring or nonreassuring (namely variable or persisting late decelerations). Pulse oximetry values during ...
Hilfiker-Kleiner Denise - - 2008
Peri- or postpartum cardiomyopathy (PPCM) is a rare, life-threatening heart disease of unclear origin and is characterized by heart failure of sudden onset between the final weeks of pregnancy and 6 months after delivery. Selective literature search in the databases of the National Center for Biotechnology Information based on the ...
Srinivasan Shardha - - 2008
Though fetal arrhythmias account for a small proportion of referrals to a fetal cardiologist, they may be associated with significant morbidity and mortality. The present review outlines the current literature with regard to the diagnosis and, in brief, some management strategies in fetal arrhythmias. Advances in echocardiography have resulted in ...
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