Your browser doesn't support javascript.
loading
Mostrar: 20 | 50 | 100
Resultados 1 - 20 de 72
Filtrar
Mais filtros

Base de dados
País/Região como assunto
Tipo de documento
Intervalo de ano de publicação
1.
Am J Obstet Gynecol ; 2024 May 17.
Artigo em Inglês | MEDLINE | ID: mdl-38763339

RESUMO

BACKGROUND: The maternal cardiovascular profile of patients who develop late fetal growth restriction has yet to be well characterized, however, a subclinical impairment in maternal hemodynamics and cardiac function may be present before pregnancy and may become evident because of the hemodynamic alterations associated with pregnancy. OBJECTIVE: This study aimed to investigate if maternal hemodynamics and the cardiovascular profile might be different in the preclinical stages (22-24 weeks' gestation) in cases of early and late fetal growth restriction in normotensive patients. STUDY DESIGN: This was a prospective echocardiographic study of 1152 normotensive nulliparous pregnant women at 22 to 24 weeks' gestation. The echocardiographic evaluation included morphologic parameters (left ventricular mass index and relative wall thickness, left atrial volume index) and systolic and diastolic maternal left ventricular function (ejection fraction, left ventricular global longitudinal strain, E/A ratio, and E/e' ratio). Patients were followed until the end of pregnancy to note the development of normotensive early or late fetal growth restriction. RESULTS: Of the study cohort, 1049 patients had no complications, 73 were classified as having late fetal growth restriction, and 30 were classified as having early fetal growth restriction. In terms of left ventricular morphology, the left ventricular end-diastolic diameter was greater in uneventful pregnancies (4.84±0.28 cm) than in late (4.67±0.26 cm) and in early (4.55±0.26 cm) (P<.001) fetal growth restriction cases, whereas left ventricular end-systolic diameter was smaller in uneventful pregnancies (2.66±0.39 cm) than in late (2.83±0.40 cm) and in early (2.82±0.38 cm) (P<.001) fetal growth restriction cases. The relative wall thickness was slightly higher in early (0.34±0.05) and late (0.35±0.04) fetal growth restriction cases than in uneventful pregnancies (0.32±0.05) (P<.05). In terms of systolic left ventricular function, at 22 to 24 weeks' gestation, cardiac output was higher in uneventful pregnancies (6.58±1.07 L/min) than in late (5.40±0.97 L/min) and in early (4.76±1.05 L/min) (P<.001) fetal growth restriction cases with the lowest values in the early-onset group. Left ventricular global longitudinal strain was lower in appropriate for gestational age neonates (-21.6%±2.0%) and progressively higher in late (-20.1%±2.2%) and early (-18.5%±2.3%) (P<.001) fetal growth restriction cases. In terms of diastolic left ventricular function, the E/e' ratio showed intermediate values in the late fetal growth restriction group (7.90±2.73) when compared with the appropriate for gestational age group (7.24±2.43) and with the early fetal growth restriction group (10.76±3.25) (P<.001). The total peripheral vascular resistance was also intermediate in the late fetal growth restriction group (1300±199 dyne·s·cm-5) when compared with the appropriate for gestational age group (993±175 dyne·s·cm-5) and the early fetal growth restriction group (1488±255 dyne.s.cm-5) (P<.001). CONCLUSION: Early and late fetal growth restriction share similar maternal hemodynamic and cardiovascular profiles with a different degree of expression. These features are already present at 22 to 24 weeks' gestation and are characterized by a hypodynamic state. The degree of these cardiovascular changes may influence the timing of the manifestation of the disease; a hypovolemic, high resistance, low cardiac output state might be associated with early-onset fetal growth restriction, whereas a milder hypovolemic state seems to favor the development of the disease in the final stages of pregnancy.

2.
Am J Perinatol ; 2024 Feb 28.
Artigo em Inglês | MEDLINE | ID: mdl-38350640

RESUMO

OBJECTIVE: The Italian Association of Preeclampsia (AIPE) and the Italian Society of Perinatal Medicine (SIMP) developed clinical questions on maternal hemodynamics state of the art. STUDY DESIGN: AIPE and SIMP experts were divided in small groups and were invited to propose an overview of the existing literature on specific topics related to the clinical questions proposed, developing, wherever possible, clinical and/or research recommendations based on available evidence, expert opinion, and clinical importance. Draft recommendations with a clinical rationale were submitted to 8th AIPE and SIMP Consensus Expert Panel for consideration and approval, with at least 75% agreement required for individual recommendations to be included in the final version. RESULTS: More and more evidence in literature underlines the relationship between maternal and fetal hemodynamics, as well as the relationship between maternal cardiovascular profile and fetal-maternal adverse outcomes such as fetal growth restriction and hypertensive disorders of pregnancy. Experts agreed on proposing a classification of pregnancy hypertension, complications, and cardiovascular states based on three different hemodynamic profiles depending on total peripheral vascular resistance values: hypodynamic (>1,300 dynes·s·cm-5), normo-dynamic, and hyperdynamic (<800 dynes·s·cm-5) circulation. This differentiation implies different therapeutical strategies, based drugs' characteristics, and maternal cardiovascular profile. Finally, the cardiovascular characteristics of the women may be useful for a rational approach to an appropriate follow-up, due to the increased cardiovascular risk later in life. CONCLUSION: Although the evidence might not be conclusive, given the lack of large randomized trials, maternal hemodynamics might have great importance in helping clinicians in understanding the pathophysiology and chose a rational treatment of patients with or at risk for pregnancy complications. KEY POINTS: · Altered maternal hemodynamics is associated to fetal growth restriction.. · Altered maternal hemodynamics is associated to complicated hypertensive disorders of pregnancy.. · Maternal hemodynamics might help choosing a rational treatment during hypertensive disorders..

3.
Am J Obstet Gynecol ; 228(2): 222.e1-222.e12, 2023 02.
Artigo em Inglês | MEDLINE | ID: mdl-35944606

RESUMO

BACKGROUND: The functional maternal-fetal hemodynamic unit includes fetal umbilical vein flow and maternal peripheral vascular resistance. OBJECTIVE: This study investigated the relationships between maternal and fetal hemodynamics in a population with suspected fetal growth restriction. STUDY DESIGN: This was a prospective study of normotensive pregnancies referred to our outpatient clinic for a suspected fetal growth restriction. Maternal hemodynamics measurement was performed, using a noninvasive device (USCOM-1A) and a fetal ultrasound evaluation to assess fetal biometry and velocimetry Doppler parameters. Comparisons among groups were performed with 1-way analysis of variance with Student-Newman-Keuls correction for multiple comparisons and with Kruskal-Wallis test where appropriate. The Spearman rank coefficient was used to assess the correlation between maternal and fetal hemodynamics. Pregnancies were observed until delivery. RESULTS: A total of 182 normotensive pregnancies were included. After the evaluation, 54 fetuses were classified as growth restricted, 42 as small for gestational age, and 86 as adequate for gestational age. The fetus with fetal growth restriction had significantly lower umbilical vein diameter (P<.0001), umbilical vein velocity (P=.02), umbilical vein flow (P<.0001), and umbilical vein flow corrected for fetal weight (P<.01) than adequate-for-gestational-age and small-for-gestational-age fetuses. The maternal hemodynamic profile in fetal growth restriction was characterized by elevated systemic vascular resistance and reduced cardiac output. The umbilical vein diameter was positively correlated to maternal cardiac output (rs=0.261), whereas there was a negative correlation between maternal systemic vascular resistance (rs=-0.338) and maternal potential energy-to-kinetic energy ratio (rs=-0267). The fetal umbilical vein time averaged max velocity was positively correlated to maternal cardiac output (rs=0.189) and maternal inotropy index (rs=0.162), whereas there was a negative correlation with maternal systemic vascular resistance (rs=-0.264) and maternal potential energy-to-kinetic energy ratio (rs=-0.171). The fetal umbilical vein flow and the flow corrected for estimated fetal weight were positively correlated with maternal cardiac output (rs=0.339 and rs=0.297) and maternal inotropy index (rs=0.217 and r=0.336), whereas there was a negative correlation between maternal systemic vascular resistance (rs=-0.461 and rs=-0.409) and maternal potential energy-to-kinetic energy ratio (rs=-0.336 and rs=-0.408). CONCLUSION: Maternal and fetal hemodynamic parameters were different in the 3 groups of fetuses: fetal growth restriction, small for gestational age, and adequate for gestational age. Maternal hemodynamic parameters were closely and continuously correlated with fetal hemodynamic features. In particular, a maternal hemodynamic profile with high systemic vascular resistance, low cardiac output, reduced inotropism, and hypodynamic circulation was correlated with a reduced umbilical vein flow and increased umbilical artery pulsatility index. The mother, placenta, and fetus should be considered as a single cardiac-fetal-placental unit. The correlations of systemic vascular resistance, cardiac output, and inotropy index with umbilical artery impedance indicate the key role of these 3 parameters in placental vascular tree development. The umbilical vein flow rate and, therefore, the placental perfusion seems to be influenced not only by these three parameters but also by the maternal cardiovascular kinetic energy.


Assuntos
Retardo do Crescimento Fetal , Placenta , Gravidez , Feminino , Humanos , Idoso de 80 Anos ou mais , Placenta/irrigação sanguínea , Retardo do Crescimento Fetal/diagnóstico por imagem , Estudos Prospectivos , Peso Fetal , Veias Umbilicais/diagnóstico por imagem , Coração Fetal/diagnóstico por imagem , Idade Gestacional , Ultrassonografia Doppler , Baixo Débito Cardíaco , Ultrassonografia Pré-Natal , Artérias Umbilicais/diagnóstico por imagem
4.
Am J Obstet Gynecol ; 226(2S): S1006-S1018, 2022 02.
Artigo em Inglês | MEDLINE | ID: mdl-34774281

RESUMO

The opinion on the mechanisms underlying the pathogenesis of preeclampsia still divides scientists and clinicians. This common complication of pregnancy has long been viewed as a disorder linked primarily to placental dysfunction, which is caused by abnormal trophoblast invasion, however, evidence from the previous two decades has triggered and supported a major shift in viewing preeclampsia as a condition that is caused by inherent maternal cardiovascular dysfunction, perhaps entirely independent of the placenta. In fact, abnormalities in the arterial and cardiac functions are evident from the early subclinical stages of preeclampsia and even before conception. Moving away from simply observing the peripheral blood pressure changes, studies on the central hemodynamics reveal two different mechanisms of cardiovascular dysfunction thought to be reflective of the early-onset and late-onset phenotypes of preeclampsia. More recent evidence identified that the underlying cardiovascular dysfunction in these phenotypes can be categorized according to the presence of coexisting fetal growth restriction instead of according to the gestational period at onset, the former being far more common at early gestational ages. The purpose of this review is to summarize the hemodynamic research observations for the two phenotypes of preeclampsia. We delineate the physiological hemodynamic changes that occur in normal pregnancy and those that are observed with the pathologic processes associated with preeclampsia. From this, we propose how the two phenotypes of preeclampsia could be managed to mitigate or redress the hemodynamic dysfunction, and we consider the implications for future research based on the current evidence. Maternal hemodynamic modifications throughout pregnancy can be recorded with simple-to-use, noninvasive devices in obstetrical settings, which require only basic training. This review includes a brief overview of the methodologies and techniques used to study hemodynamics and arterial function, specifically the noninvasive techniques that have been utilized in preeclampsia research.


Assuntos
Pré-Eclâmpsia/fisiopatologia , Anti-Hipertensivos/uso terapêutico , Pressão Sanguínea/fisiologia , Débito Cardíaco/fisiologia , Endotélio Vascular/fisiopatologia , Feminino , Retardo do Crescimento Fetal/etiologia , Retardo do Crescimento Fetal/prevenção & controle , Frequência Cardíaca/fisiologia , Hemodinâmica/fisiologia , Humanos , Fenótipo , Pré-Eclâmpsia/tratamento farmacológico , Gravidez , Análise de Onda de Pulso , Resistência Vascular/fisiologia
5.
Am J Obstet Gynecol ; 226(3): 366-378, 2022 03.
Artigo em Inglês | MEDLINE | ID: mdl-35026129

RESUMO

This study reviewed the literature about the diagnosis, antepartum surveillance, and time of delivery of fetuses suspected to be small for gestational age or growth restricted. Several guidelines have been issued by major professional organizations, including the International Society of Ultrasound in Obstetrics and Gynecology and the Society for Maternal-Fetal Medicine. The differences in recommendations, in particular about Doppler velocimetry of the ductus venosus and middle cerebral artery, have created confusion among clinicians, and this review has intended to clarify and highlight the available evidence that is pertinent to clinical management. A fetus who is small for gestational age is frequently defined as one with an estimated fetal weight of <10th percentile. This condition has been considered syndromic and has been frequently attributed to fetal growth restriction, a constitutionally small fetus, congenital infections, chromosomal abnormalities, or genetic conditions. Small for gestational age is not synonymous with fetal growth restriction, which is defined by deceleration of fetal growth determined by a change in fetal growth velocity. An abnormal umbilical artery Doppler pulsatility index reflects an increased impedance to flow in the umbilical circulation and is considered to be an indicator of placental disease. The combined finding of an estimated fetal weight of <10th percentile and abnormal umbilical artery Doppler velocimetry has been widely accepted as indicative of fetal growth restriction. Clinical studies have shown that the gestational age at diagnosis can be used to subclassify suspected fetal growth restriction into early and late, depending on whether the condition is diagnosed before or after 32 weeks of gestation. The early type is associated with umbilical artery Doppler abnormalities, whereas the late type is often associated with a low pulsatility index in the middle cerebral artery. A large randomized clinical trial indicated that in the context of early suspected fetal growth restriction, the combination of computerized cardiotocography and fetal ductus venosus Doppler improves outcomes, such that 95% of surviving infants have a normal neurodevelopmental outcome at 2 years of age. A low middle cerebral artery pulsatility index is associated with an adverse perinatal outcome in late fetal growth restriction; however, there is no evidence supporting its use to determine the time of delivery. Nonetheless, an abnormality in middle cerebral artery Doppler could be valuable to increase the surveillance of the fetus at risk. We propose that fetal size, growth rate, uteroplacental Doppler indices, cardiotocography, and maternal conditions (ie, hypertension) according to gestational age are important factors in optimizing the outcome of suspected fetal growth restriction.


Assuntos
Retardo do Crescimento Fetal , Peso Fetal , Feminino , Retardo do Crescimento Fetal/diagnóstico por imagem , Retardo do Crescimento Fetal/terapia , Idade Gestacional , Humanos , Lactente , Placenta , Gravidez , Ensaios Clínicos Controlados Aleatórios como Assunto , Ultrassonografia Doppler , Ultrassonografia Pré-Natal , Artérias Umbilicais/diagnóstico por imagem
6.
Gynecol Endocrinol ; 38(12): 1028-1034, 2022 Dec.
Artigo em Inglês | MEDLINE | ID: mdl-36480916

RESUMO

Pregnancy has an important impact on the thyroid gland and its function. Thyroid activity changes as a consequence of the novel physiological state of pregnancy and requires a complex hormonal and metabolic adaptation, which is possible only in the presence of a perfectly functioning thyroid gland. In fact, thyroid function is crucial for the success of the implantation and the progression of pregnancy. Abnormal thyroid function is very common among childbearing age women, explaining the high incidence of thyroid diseases that occur during pregnancy. Aim of this work is to analyze the adaptive events that characterize the thyroid function during pregnancy, exploring their hormonal, metabolic and molecular mechanisms. Moreover, the interpretation of the laboratory data necessary to monitor the thyroid functioning during normal pregnancy or in the presence of thyroid abnormalities will be discussed.


Assuntos
Complicações na Gravidez , Doenças da Glândula Tireoide , Gravidez , Feminino , Humanos , Implantação do Embrião , Tireotropina , Tiroxina
7.
Gynecol Endocrinol ; 38(7): 569-572, 2022 Jul.
Artigo em Inglês | MEDLINE | ID: mdl-35635374

RESUMO

Introduction: The number of pregnancies obtained through in vitro fertilization (IVF) techniques are increasing, and only few studies have investigated hemodynamic variations in women undergoing IVF techniques. The aim of this study was to evaluate the hemodynamic parameters in women undergoing IVF, to assess a possible correlation between hemodynamics and embryo implantation.Methods: 45 normotensive non-obese women, age ≤ 43 years, with idiopathic or tubal infertility, referred to the Reproductive Physiopathology and Andrology Unit, Sandro Pertini Hospital, Rome, during the period 2020/2021, underwent IVF techniques. All women were evaluated with Ultra Sonic Cardiac Output Monitor (USCOM) to detect hemodynamic parameters at two different stages: at the mid-luteal phase, before the beginning of IVF, and at the day of embryo transfer (dET). All demographics and hormonal parameters in both groups were comparable. The hemodynamic parameters were compared between women with a positive ß-HCG test vs. those testing negative.Results: 11 out of 45 (24,5%) women obtained positive ß-HCG test. All demographics and hormonal parameters were comparable in both groups. Women with a positive ß-HCG test showed statistically lower systemic vascular resistance (SVR) at mid-luteal phase (868.61 ± 100.1 vs. 1009 ± 168.4) and dET (818,9 ± 104.5 vs 1038.52 ± 150.82 dynes × s/cm5).Conclusions: Hemodynamic assessment can identify a more favorable pre-pregnancy cardiovascular adaptation. Embryo implantation might be positively influenced by the hemodynamic parameters, e.g. lower SVR, before the beginning of IVF techniques, and during the window of implantation.


Assuntos
Transferência Embrionária , Adulto , Feminino , Humanos , Masculino , Gravidez , Transferência Embrionária/métodos , Fertilização in vitro/métodos , Fase Luteal , Taxa de Gravidez , Resistência Vascular
8.
Gynecol Endocrinol ; 38(11): 988-991, 2022 Nov.
Artigo em Inglês | MEDLINE | ID: mdl-36203336

RESUMO

AIM: The aim of the study was to evaluate the impact of SARS-CoV-2 vaccination on quality of life, psychological aspect and sexual life in a group of Italian postmenopausal women during the COVID-19 pandemic. METHODS: The study was a prospective, observational analysis of postmenopausal women before and after the COVID-19 vaccination. The population previously answered different questionnaires, such as the Female Sexual Function Index (FSFI), the Female Sexual Distress Scale (FSDS), the 36-Item Short Form Survey (SF-36) and the Hospital Anxiety and Depression Scale (HADS). Twelve weeks after the end of the vaccine cycle, these women were invited to complete the same questionnaires by e-mail to evaluate if vaccination coverage could positively impact the quality of life of postmenopausal women. The Patient Impression of Global Improvement (PGI-I) after three months of treatment was also calculated. RESULTS: A total of 114 patients were reported. The median age was 60.96 (52-66) years. Mean sexual intercourses/month increased from 1.28 ± 1.23 to 4.21 ± 1.80 (p = 0.001). The FSFI increased (19.22 ± 3.31 vs 29.24 ± 4.21, p < 0.0001) and the FSDS decreased significantly (20.12 ± 5.23 vs 9.32 ± 5.55, p < 0.0001) 12 weeks after vaccination coverage. The SF-36 increased from 64.23 ± 11.76 to 82.21 ± 10.24 (p < .0001) and the HADS questionnaire improved significantly from 9.3 ± 2.73 to 5.1 ± 1.34 after the COVID-19 vaccine execution (p<.0001). CONCLUSIONS: The spread of COVID-19 vaccine coverage positively influenced sexual function, quality of life and psychological aspect in postmenopausal women.


Assuntos
COVID-19 , Disfunções Sexuais Psicogênicas , Feminino , Humanos , Pessoa de Meia-Idade , COVID-19/epidemiologia , COVID-19/prevenção & controle , Vacinas contra COVID-19 , Pandemias , Pós-Menopausa , Estudos Prospectivos , Qualidade de Vida , SARS-CoV-2 , Comportamento Sexual/psicologia , Disfunções Sexuais Psicogênicas/psicologia , Inquéritos e Questionários , Vacinação
9.
Arch Gynecol Obstet ; 306(2): 357-363, 2022 08.
Artigo em Inglês | MEDLINE | ID: mdl-34698903

RESUMO

PURPOSE: The aim of the study is to compare maternal hemodynamic adaptations in gestational diabetes (GDM) versus healthy pregnancies. METHODS: A prospective case-control study was conducted, comparing 69 singleton pregnancies with GDM and 128 controls, recruited between September 2018 and April 2019 in Maternal-Fetal Medicine Unit, Careggi University Hospital, Florence, Italy. Hemodynamic assessment by UltraSonic Cardiac Output Monitor (USCOM) was performed in both groups in four gestational age intervals: 17-20 weeks (only in early GDM cases), 26-30 weeks, 32-35 weeks and 36-39 weeks. We evaluated six hemodynamic parameters comparing GDM cases versus controls: cardiac output (CO), cardiac index (CI), stroke volume (SV), total vascular resistance (TVR), inotropy index (INO) and potential to kinetic energy ratio (PKR). RESULTS: GDM group had significantly lower values of CO and SV than controls from the early third trimester (26-30 weeks) until term (p < 0.001). CI is significantly lower in GDM women already at the first evaluation (p = 0.002), whereas TVR and PKR were significantly higher in GDM (p < 0.001). GDM women showed also lower INO values than controls in all assessments. CONCLUSIONS: A hemodynamic maternal maladaptation to pregnancy can be detected in GDM women. The effect of hyperglycemia on vascular system or a poor pre-pregnancy cardiovascular (CV) reserve could explain this hemodynamic maladaptation. The abnormal CV response to pregnancy in GDM women may reveal a predisposition to develop CV disease later in life and might help in identifying patients who need a CV follow-up.


Assuntos
Diabetes Gestacional , Débito Cardíaco/fisiologia , Estudos de Casos e Controles , Feminino , Hemodinâmica , Humanos , Lactente , Gravidez , Resistência Vascular/fisiologia
10.
Am J Obstet Gynecol ; 223(3): 425.e1-425.e13, 2020 09.
Artigo em Inglês | MEDLINE | ID: mdl-32142824

RESUMO

BACKGROUND: Chronic hypertension complicates around 3% of all pregnancies and is associated with an increased risk for pregnancy complications such as superimposed preeclampsia, fetal growth restriction, preterm delivery, and stillbirth, reaching a rate of complications of up to 25-28%. OBJECTIVE: We performed an echocardiographic study to evaluate pre-pregnancy cardiac geometry and function, along with the hemodynamic features of treated chronic hypertension patients, searching for a possible correlation with the development of feto-maternal complications and with pre-pregnancy therapy. MATERIALS AND METHODS: This was a prospective observational cohort study of 192 consecutive patients receiving treatment for chronic hypertension (calcium channel blockers, angiotensin-converting enzyme inhibitors/angiotensin receptor blockers, ß-blockers, α1-adrenoceptor antagonists, and/or diuretics). Patients underwent echocardiography before pregnancy, assessing left ventricular morphology and function, cardiac output, and total vascular resistance. Pre-pregnancy therapy was noted, patients were shifted to α-methyldopa right before pregnancy, and were followed until delivery, noting major early (<34weeks' gestation) and late (≥34 weeks' gestation) complications. Comparisons among the 3 groups (ie, those with no complications, early complications, and late complications) were performed with 1-way analysis of variance with Student-Newman-Keuls correction for multiple comparisons. The Mann-Whitney U test was used for non-normally distributed data. Comparison of proportions was used as appropriate. Receiver operating characteristic curve analysis was used to identify cutoff values of diastolic dysfunction in this population using the E/e' ratio, and separate cutoff of values for total vascular resistance for the prediction of early and late complications of pregnancy. Binary univariate and multivariate logistic regression as well as Cox proportional hazards regression were used to evaluate the possible correlation among angiotensin-converting enzyme inhibitor/angiotensin receptor blocker and/or calcium channel blocker pre-pregnancy therapy, cardiovascular features, and the risk for subsequent early and late complications of pregnancy. RESULTS: Of 192 patients, 141 had no complications, and 51 had a complicated pregnancy (24 had early complications and 27 had late complications). Concentric geometry was more frequent in those women with early versus late and no complications (50% vs 13.5% and 11.1%, respectively; P < .05), whereas eccentric hypertrophy was more represented in women with late versus early and no complications (32% versus 12.5% and 1.4%, respectively; P < .05). The receiver operating characteristic curve showed an E/e' ratio value >7.65 (sensitivity, 59.6%; specificity, 68.6%) as a predictor of subsequent complications of pregnancy, whereas total vascular resistance <1048 (sensitivity, 83.7%; specificity, 55.6%) was predictive for late complications and total vascular resistance >1498 (sensitivity, 87.5%; specificity, 78.0%) for the early complications of pregnancy. Univariate analysis showed that the following parameters were predictive for complications of pregnancy: altered geometry of the left ventricle (odds ratio, 5.94; 95% confidence interval, 2.90-12.19), diastolic dysfunction (odds ratio, 3.22; 95% confidence interval, 1.63-6.37), altered total vascular resistance (odds ratio, 3.52; 95% confidence interval, 1.78-6.97), and pre-pregnancy therapy without calcium channel blockers/angiotensin-converting enzyme inhibitors/angiotensin receptor blockers (odds ratio, 2.73; 95% confidence interval, 1.37-5.42). These parameters, except for altered total vascular resistance, were independent predictors in the multivariate analysis corrected for body mass index, heart rate, parity, and mean arterial pressure. CONCLUSION: Chronic hypertension patients with pre-pregnancy cardiac remodeling and dysfunction more often develop early and late complications of pregnancy. Pre-pregnancy therapy for chronic hypertension patients with calcium channel blockers and/or angiotensin-converting enzyme inhibitors/angiotensin receptor blockers may positively influence cardiac profiles and the outcome of a future pregnancy with a reduced rate of complications.


Assuntos
Ventrículos do Coração/diagnóstico por imagem , Hipertensão Induzida pela Gravidez/prevenção & controle , Hipertensão/fisiopatologia , Disfunção Ventricular Esquerda/fisiopatologia , Adulto , Estudos de Coortes , Ecocardiografia , Feminino , Humanos , Gravidez , Cuidado Pré-Natal , Estudos Prospectivos , Curva ROC
12.
Fetal Diagn Ther ; 44(2): 81-84, 2018.
Artigo em Inglês | MEDLINE | ID: mdl-30001543

RESUMO

The recent demonstration of the effectiveness of low-dose aspirin administered from the first trimester in the prevention of preeclampsia will probably lead to establishing and radicating the "inverted pyramid" screening model for preeclampsia. Such a multiparametric approach for the screening of preeclampsia in the first trimester, albeit highly sensitive in identifying early-onset disease, is poor at screening the forms of preeclampsia occurring close to term. Late-onset preeclampsia is 3 to 6 times more common than early-onset preeclampsia and currently represents the major determinant of maternal morbidity related to hypertensive disorders of the pregnancy. On this ground, we discuss our idea to construct a second "screening checkpoint" in the third trimester with the aim of reassessing the risk of preeclampsia of those women who screened negative in the first trimester. If implemented, the sequential screening model we propose would convert the "inverted pyramid model" into an "arrow model" for the antenatal care of preeclampsia.


Assuntos
Modelos Cardiovasculares , Pré-Eclâmpsia/diagnóstico , Pré-Eclâmpsia/terapia , Cuidado Pré-Natal/métodos , Feminino , Humanos , Pré-Eclâmpsia/fisiopatologia , Gravidez , Primeiro Trimestre da Gravidez/fisiologia , Terceiro Trimestre da Gravidez/fisiologia , Fatores de Risco
15.
Placenta ; 151: 59-66, 2024 Jun.
Artigo em Inglês | MEDLINE | ID: mdl-38718734

RESUMO

INTRODUCTION: To evaluate the maternal and fetal hemodynamic effects of treatment with a nitric oxide donor and oral fluid in pregnancies complicated by fetal growth restriction. METHODS: 30 normotensive participants with early fetal growth restriction were enrolled. 15 participants were treated until delivery with transdermal glyceryl trinitrate and oral fluid intake (Treated group), and 15 comprised the untreated group. All women underwent non-invasive assessment of fetal and maternal hemodynamics and repeat evaluation 2 weeks later. RESULTS: In the treated group, maternal hemodynamics improved significantly after two weeks of therapy compared to untreated participants. Fetal hemodynamics in the treated group showed an increase in umbilical vein diameter by 18.87 % (p < 0.01), in umbilical vein blood flow by 48.16 % (p < 0.01) and in umbilical vein blood flow corrected for estimated fetal weight by 30.03 % (p < 0.01). In the untreated group, the characteristics of the umbilical vein were unchanged compared to baseline. At the same time, the cerebro-placental ratio increased in the treated group, while it was reduced in the untreated group, compared to baseline values. The treated group showed a higher birthweight centile (p = 0.03) and a lower preeclampsia rate (p = 0.04) compared to the untreated group. DISCUSSION: The combined therapeutic approach with nitric oxide donor and oral fluid intake in fetal growth restriction improves maternal hemodynamics, which becomes more hyperdynamic (volume-dominant). At the same time, in the fetal circuit, umbilical vein flow increased and fetal brain sparing improved. Although a modest sample size, there was less preeclampsia and a higher birthweight suggesting beneficial maternal and fetal characteristics of treatment.


Assuntos
Retardo do Crescimento Fetal , Doadores de Óxido Nítrico , Veias Umbilicais , Humanos , Feminino , Retardo do Crescimento Fetal/metabolismo , Retardo do Crescimento Fetal/fisiopatologia , Gravidez , Projetos Piloto , Doadores de Óxido Nítrico/farmacologia , Doadores de Óxido Nítrico/administração & dosagem , Adulto , Nitroglicerina/farmacologia , Nitroglicerina/administração & dosagem , Hemodinâmica/efeitos dos fármacos , Feto/irrigação sanguínea , Feto/metabolismo , Adulto Jovem , Oxigênio/metabolismo , Oxigênio/sangue
16.
Artigo em Inglês | MEDLINE | ID: mdl-38494900

RESUMO

OBJECTIVE: To assess the prevalence of adenomyosis at pathologic examination, and its association with obstetric complications, peripartum maternal clinical characteristics and neonatal birth weight in patients undergoing postpartum hysterectomy due to postpartum hemorrhage (PPH). METHODS: A multicenter, observational, retrospective, cohort study was carried out including all women who underwent postpartum hysterectomy due to PPH at gestational week 23+0 or later, between January 2010 and May 2023. Patients were categorized into two groups based on the presence of adenomyosis at pathologic examination, and were compared for obstetric complications, peripartum maternal clinical characteristics, and neonatal birth weight. RESULTS: The histologically-based prevalence of adenomyosis in patients undergoing postpartum hysterectomy due to PPH was 39.4%. Adenomyosis was associated with a longer hospitalization time (regression coefficient: 4.43 days, 95% CI: 0.34-8.52, P = 0.034) and a higher risk of hypertensive disorders (OR: 5.82, 95% CI: 1.38-24.46, P = 0.016), threatened preterm labor (OR: 3.34, 95% CI: 1.08-10.31, P = 0.036), urgent/emergency C-section (OR: 24.15, 95% CI: 2.60-223.96, P = 0.005), postpartum maternal complications (OR: 4.96, 95% CI: 1.48-16.67, P = 0.012), maternal intensive care unit admission (OR: 3.56, 95% CI: 1.05-12.05, P = 0.041), and low birth weight neonates (OR: 3.8, 95% CI: 1.32-11.02, P = 0.013). CONCLUSION: In patients undergoing postpartum hysterectomy due to PPH, adenomyosis is a highly prevalent condition among, and is associated with adverse obstetric, maternal, and neonatal outcomes.

19.
Low Urin Tract Symptoms ; 15(3): 96-101, 2023 May.
Artigo em Inglês | MEDLINE | ID: mdl-36869670

RESUMO

OBJECTIVES: The aim of this study was to compare the efficacy of the transobturator tape (TOT) procedure combined with solifenacin (TOT-S) or prasterone (TOT-P) in postmenopausal women affected by mixed urinary incontinence (MUI) with a predominant stress urinary incontinence component. METHODS: This is a retrospective analysis including 112 patients: 60 patients of the TOT-S group and 52 patients of the TOT-P group. Physical examination, 3-day voiding diary, urodynamic tests, and Vaginal Health Index (VHI) were compared at the beginning of the analysis and after 12 weeks of follow-up (FU). Specific questionnaires were administered to indagate the impact on women's quality of life and sexual function. RESULTS: After 12 weeks of FU, the detrusor's peak flow pressure was significantly different between the two groups (p = .02). Detrusor overactivity decreased only in the TOT-P group (p = .05). At the end of FU, 58 patients (96.7%) of the TOT-S group and 50 patients (96.2%) of the TOT-P group were dry at the stress test. A significative group difference was observed in urge urinary incontinence (24 h) (p = .01) but not in the mean number of voids (24 h) and urgent micturition events (24 h). VHI improved only in the TOT-P group (12.57 ± 3.80 vs. 19.75 ± 4.13, p < .0001). The questionnaires and Patient Global Index of Improvement (PGI-I) scores showed comparable improvements, while the Female Sexual Function Index improved especially in the TOT-P group (p < .001). CONCLUSIONS: In postmenopausal women with MUI, TOT-P demonstrated the same effectiveness as TOT-S in reducing urinary symptoms. In addition, TOT-P increased VHI and sexual function scores compared with TOT-S.


Assuntos
Slings Suburetrais , Incontinência Urinária por Estresse , Humanos , Feminino , Incontinência Urinária por Estresse/tratamento farmacológico , Succinato de Solifenacina/uso terapêutico , Estudos Retrospectivos , Resultado do Tratamento , Desidroepiandrosterona , Pós-Menopausa , Qualidade de Vida , Incontinência Urinária de Urgência
20.
Artigo em Inglês | MEDLINE | ID: mdl-37283533

RESUMO

BACKGROUND: The aim of this study was to compare the efficacy of vaginal native tissue repair (VNTR) combined with tension-free transobturator tape (TVT-O) or pelvic floor muscle training (PFMT) in terms of quality of life (QoL) and sexual function (SF) in women affected by anterior defect and occult stress urinary incontinence (OSUI). METHODS: One hundred forty-seven patients with symptomatic anterior defect with OSUI underwent VNTR. In 71 patients TVT-O was inserted and 76 underwent PFMT after surgery. Clinical exam, 3-day voiding diary and urodynamic testing were evaluated in preoperative and postoperative times. Specific questionnaires were also administered, in order to indagate disease perception and the impact on QoL and SF. RESULTS: Nine patients had postoperative pain in the TVT-O group vs. 0 patients in the PMFT group (P=0.001) and 7 patients reported de novo urgency vs. 3 in the two groups, respectively. At 12 weeks follow-up (FU), the first voiding desire was at 88.12+19.70 mL in VNTR+TOT vs. 102.29+19.13 (P=0.03); the mean number of voids (24 hours) was 9.95±2.66 vs. 6.14±1.77 (P=0.04), respectively. No significant differences in terms of QoL and SF were shown. CONCLUSIONS: This retrospective study suggests that VNTR+TVT-O and VNTR+PMFT have the same efficacy in terms of QoL and SF, with several post-operative complications, even if minor, in patients treated with combined surgery.

SELEÇÃO DE REFERÊNCIAS
DETALHE DA PESQUISA