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Original Article10-09-2009
Impact of maternal age on perinatal outcomes and mode of delivery
Revista Brasileira de Ginecologia e Obstetrícia. 2009;31(7):326-334
Abstract
Original ArticleImpact of maternal age on perinatal outcomes and mode of delivery
Revista Brasileira de Ginecologia e Obstetrícia. 2009;31(7):326-334
DOI 10.1590/S0100-72032009000700002
Views146See morePURPOSE: to analyze the association of the mother's age, the perinatal outcome and the delivery route. METHODS: information about all the patients attended at the Service of Obstetrics and Gynecology of a tertiary university hospital in Maranhão, from July to December 2006, was analyzed. Patients have been allocated in three groups: adolescents (10 to 19 years old), adults (20 to 34 years old), and aged women (>35 years old). Variables studied were: skin color, schooling, marital status, family income, parity, number of appointments during pre-natal care, gestational age at the onset of pre-natal care, delivery route, Apgar index at the fifth minute and birth weight. Data were processed by the Epi-info program, version 3.4.1, and the association among the variables was analyzed by the Odds Ratio (OR) or the cross product ratio, with confidence intervals (CI) of 95%. The significance level was 0.05. RESULTS: among 2,196 patients, 25% of deliveries occurred in adolescents, 69% in adults and 6% in aged women. Among the adolescents, there was higher risk of prematurity (OR=1.46; CI95%=1.14-1.88), and low birth weight (OR=1.47; CI95%=1.13- 1.90), higher incidence of normal delivery as compared to the other groups (65.2%), besides the association with late onset of pre-natal care (OR=1.86; CI95%=1.43-2.43), lower number of appointments (OR=2.03; CI95%=1.57-2.63), and use of abortive procedures at the onset of gestation (OR=2.34; CI95%=1.38-3.98). Among aged women, there was strong association with diabetes mellitus (OR=9.00; CI95%=3.18-25.19), pre-eclampsia (OR=4.38; CI95%=3.02-6.34), premature membrane rupture (OR=5.81; CI95%=3.08-10.89), besides a higher chance of presenting Apgar index lower than seven at the fifth minute (OR=2.90; CI95%=1.37-6.01), and higher ratio of cesarean section (60.3%). CONCLUSIONS: pregnancy in adolescence is associated to late onset of pre-natal care and few appointments along it, use of abortive procedures at the onset of gestation, low schooling, no mates, low birth weight, prematurity, and lower incidence of cephalo pelvic disproportion and pre-eclampsia. Among aged pregnant women, there was association with diabetes, pre-eclampsia, premature membrane rupture, Apgar index lower than seven at the fifth minute and higher ratio of cesarean section.
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Original Article08-13-2009
Natural history of monochorionic diamniotic twin pregnancies with and without twin-twin transfusion syndrome
Revista Brasileira de Ginecologia e Obstetrícia. 2009;31(6):273-278
Abstract
Original ArticleNatural history of monochorionic diamniotic twin pregnancies with and without twin-twin transfusion syndrome
Revista Brasileira de Ginecologia e Obstetrícia. 2009;31(6):273-278
DOI 10.1590/S0100-72032009000600002
Views140PURPOSE: to evaluate the evolution of monochorionic-diamniotic twin pregnancies with and without the twin-twin transfusion syndrome (TTTS), followed up in an expectant way. METHODS: retrospective study in which the pregnancies with and without TTTS and with mild (Quintero's stage I) and severe (Quintero's stages II, III, IV and V) disease manifestations were compared according to extreme preterm delivery, neurological impairment and the twins' nursery discharge. The extreme preterm twins who had had TTTS, or not, were compared whether they had or not neurological impairment. The χ2 or Fisher's exact test were used. RESULTS: among 149 monochorionic-diamniotic twin pregnancies, 15 presented TTTS, 11 (11/15 - 73.3%) in the severe form and 4 (4/15 - 26.7%) at stage I. The extreme preterm delivery was more frequent (p<0.001) in the cases with the disease (11/15 - 73.3%) than in the cases without it (25/134 - 18.7%), and more common (p=0.033) in severe (10/11 - 91.1%) than in mild cases (1/4 - 25.0%). Neurological impairment in at least one twin was more frequent in cases with (5/8 - 62.5%) than in cases without (9/134 - 6.7%) the disease (p<0.001). Nursery discharge of at least one twin was more common (p<0.001) in cases without (132/134 - 98.5%) than in cases with the disease (8/15 - 53.0%). Neurological impairment in at least one of the twins was more frequent (p=0.04) in the severe (5/5 - 100%) than in the mild (1/4 - 25%) form of the disease. Nursery discharge of both twins was more common (p=0.004) at stage I (4/4 - 100%), than in the severe form of the disease (1/11 - 9.0%). Among the 47 extreme preterm twins, the neurological impairment was more frequent (p=0.001) among the ones who had (6/6 - 100%), than among those who did not have TTTS (11/41 - 26.8%). CONCLUSIONS: cases with twin-twin transfusion syndrome, followed up in an expectant way have bad perinatal prognosis, with high neonatal mortality and high rates of neurological arrest among the survivors.
Key-words Fetofetal transfusionNatural historyNeurologic manifestationsPregnancy complicationsPregnancy, multipleTwinning, monozygoticSee more -
Review Article02-27-2008
Sepsis and septic shock during pregnancy: clinical management
Revista Brasileira de Ginecologia e Obstetrícia. 2008;30(12):631-638
Abstract
Review ArticleSepsis and septic shock during pregnancy: clinical management
Revista Brasileira de Ginecologia e Obstetrícia. 2008;30(12):631-638
DOI 10.1590/S0100-72032008001200008
Views97Sepsis is one of the main causes of maternal death, being related to infections from obstetric origin (infected abortion, chorioamnionitis, puerperal infection) or non-obstetric (resulting from infections which occur in other areas). This review aims at describing the mechanisms involved in the physiopathology of this entity and at updating the clinical approach to sepsis, recommended in international guidelines (early goal-directed therapy - precocious resuscitation, or precocious treatment guided by goals), as well as at calling attention to the influence of pregnancy both in the clinical manifestation and in the therapeutic management of septic conditions.
Key-words Maternal mortalityPregnancy complicationsPregnancy complications, infectiousSepsissepticShockSee more -
Original Article10-23-2008
Hyperthyroidism during pregnancy: maternal-fetal outcomes
Revista Brasileira de Ginecologia e Obstetrícia. 2008;30(9):452-458
Abstract
Original ArticleHyperthyroidism during pregnancy: maternal-fetal outcomes
Revista Brasileira de Ginecologia e Obstetrícia. 2008;30(9):452-458
DOI 10.1590/S0100-72032008000900005
Views113See morePURPOSE: to evaluate the experience of Hospital das Clínicas da Faculdade de Medicina de Botucatu da Universidade Estadual Paulista "Júlio de Mesquita Filho", in the follow-up of pregnant women with hyperthyroidism. METHODS: Sixty patients, divided in groups with compensated hyperthyroidism (CHG=24) and with uncompensated hyperthyroidism (UHG=36) were retrospectively studied and compared concerning clinical-laboratorial characteristics and intercurrences. The t-Student test, contingency tables, multiple linear regression and multiple logistic regression with significance level at 5.0% were used. RESULTS: propylthiouracil (PTU) was used by 94.0% of UHG and by 42.0% of CHG (p<0.0001); maternal complications close to delivery have occurred in 20.6% of UHG and in 11.8% of CHG, and UHG presented three fetal deaths, influenced by the mother age, higher level of T4L (lT4L) and of PTU dose (PTUd) in the third trimester (p=0.007); restriction of intra-uterine growth, influenced by lT4L and PTUd in the third trimester has occurred in nine UHG and in three CHG cases, and oligoamnios has occurred in 12 patients (83.3% of UGH and 16.7% of CGH), influenced by age and lT4L in the third trimester (p=0.04); the gestational age at delivery was 34.4±4.6 weeks in UHG and 37.0±2.5 in CHG, influenced by the T4Ll in the third trimester (p<0.05). CONCLUSIONS: the UHG has presented less satisfactory results than CHG, influenced by high lT4L and PTUd in the third trimester, and by more advanced age of some pregnant women.
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Original Article09-04-2008
Severe maternal morbidity at a local reference university hospital in Campinas, São Paulo, Brazil
Revista Brasileira de Ginecologia e Obstetrícia. 2008;30(6):281-286
Abstract
Original ArticleSevere maternal morbidity at a local reference university hospital in Campinas, São Paulo, Brazil
Revista Brasileira de Ginecologia e Obstetrícia. 2008;30(6):281-286
DOI 10.1590/S0100-72032008000600003
Views106See morePURPOSE: to assess the prevalence and risk factors associated with near miss and other severe maternal morbidity at a reference tertiary maternity. METHODS: this is a cross-sectional study on severe maternal morbidity at the Hospital e Maternidade Celso Pierro, Campinas, São Paulo, between October 2005 and July 2006, identified from infirmary, admission and delivery unit logbooks. Pregnant and post-partum women with severe maternal morbidity were identified according to clinical criteria proposed by Waterstone. Later, cases with more severe morbidity, called extremely severe maternal morbidity, were reclassified using Mantel criteria, based on organic dysfunction and clinical management. RESULTS: there were 114 severe maternal morbidity cases among 2,207 birth deliveries, with a ratio of other severe morbidity and extremely severe morbidity near miss of 44.9 and 6.8 cases/1,000 live births, respectively. Mean gestational age at delivery was 35 weeks, and 87% came from the reference area for the maternity service. Hypertension (severe pre-eclampsia) represented 96% of other severe morbidity, while hemorrhage represented 60% of all extremely severe cases, followed by hypertension. The prevalence of extremely severe morbidity among the severe morbidity cases was not associated with marital status, schooling, maternal age, type of delivery, parity, gestational age at birth and home place. CONCLUSIONS: the other morbidities were 6.6 times more frequent than near miss, and it was not possible to differentiate both groups by epidemiological risk factors.
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Original Article06-03-2008
Clinical and laboratorial profile and complications of patients with HELLP syndrome admitted in an obstetric intensive care unit
Revista Brasileira de Ginecologia e Obstetrícia. 2008;30(2):80-86
Abstract
Original ArticleClinical and laboratorial profile and complications of patients with HELLP syndrome admitted in an obstetric intensive care unit
Revista Brasileira de Ginecologia e Obstetrícia. 2008;30(2):80-86
DOI 10.1590/S0100-72032008000200006
Views115PURPOSE: to describe the clinical and laboratorial profile of HELLP syndrome patients admitted at an Obstetric Intensive Care Unit (ICU) and included in a randomized clinical trial to evaluate the efficacy of dexamethasone in this clinical setting. METHODS: the present study is a secondary analysis of a randomized clinical trial design to evaluate the efficacy of dexamethasone in patients with HELLP syndrome. This sample of patients was composed of patients in the puerperium, with the diagnosis of HELLP syndrome (diagnosis made before or after delivery) who were not chronic corticosteroid users and not carriers of any chronic disease which could modify HELLP syndrome's laboratorial parameters. Patients who were too critical or whose condition did not allow them to consent to participate were not included. Data were extracted from the records used in the randomized clinical trial. Age, parity, gestational age at admission and delivery, time of diagnosis (before or after delivery), HELLP syndrome classification (partial or complete), arterial blood pressure, and diuresis at admission were considered for analysis. Among laboratorial findings, hemoglobin, platelet count, liver enzymes, LDH, and serum bilirubin were analyzed. Complications presented by the patients were also analyzed as well as need of blood transfusions and duration of hospitalization. Analysis was made by the Epi-Info 3.3.2 program. RESULTS: one hundred and five patients were analyzed. Age varied from 14 to 49 years (means of 26.7). Regarding parity, 56 patients (53.8%) were primiparas. Analyzing the timing of the diagnosis, 47 patients (45.2%) had the diagnosis before delivery. The mean gestational age in these patients was 32.4 weeks. Hemorrhagic manifestations were observed in 36 patients (34.3%), oliguria was present in 49 patients (46.7%) and criteria for acute renal failure were seen in 21 (20%) of the cases. Hemotransfusions were necessary in 35 (33.3%) patients. Seven patients (6.7%) had pulmonary edema and four patients died, corresponding to 3.8% of the cases. The mean time from diagnosis of HELLP syndrome to discharge or death was 10.3 days, varying from 1 to 33 days. CONCLUSIONS: HELLP syndrome is an ominous diagnosis, which implicates in elevated maternal morbimortality. Among complications, oliguria and hemorrhagic manifestations were the most common findings and hemotransfusions were frequently required. Lethality reached 3.8%.
Key-words DexamethasoneHELLP syndromeIntensive care unitsPre-eclampsiaPregnancy complicationsPrognosisSee more -
Original Article04-07-2008
Evaluation of the adverse effects of nevirapine in HIV-infected pregnant women in a South Brazilian University Hospital
Revista Brasileira de Ginecologia e Obstetrícia. 2008;30(1):19-24
Abstract
Original ArticleEvaluation of the adverse effects of nevirapine in HIV-infected pregnant women in a South Brazilian University Hospital
Revista Brasileira de Ginecologia e Obstetrícia. 2008;30(1):19-24
DOI 10.1590/S0100-72032008000100004
Views85See morePURPOSE: The aim of this article is to evaluate the use of nevirapine HIV-infected pregnant women in our service. METHODS: a retrospective study was performed between January 2003 and December 2006 analysing all women prescribed nevirapine in pregnancy. Exclusion criteria included: (1) women who started nevirapine before pregnancy, (2) patients with abnormal baseline liver enzymes, and (3) women with incomplete liver biochemistry data. Evaluated parameters included age, weeks of exposure to nevirapine, gestational age in the begginning of medication, weeks of follow-up, viral load, CD4 cells count and serum aminotransferase levels. The incidence of adverse hepatic and/or cutaneous effects was determined and correlated to the CD4 cells count. Statistical analysis were performed using Fisher’s exact test and t-Student test when appropriate, with a statistical significance level of p<0,05. RESULTS: one hundred fifty-seven women met the inclusion criteria. Thirty-one (19.7%) presented cutaneous and/or hepatic toxicity. Skin rash accounted for 77.4% of toxicities and liver function abnormalities were noted in 22.6% of women exhibiting toxicities. Grade 1, 2 and 3 hepatotoxicities were observed in 0.6, 2.5 and 1.3%, respectively. Baseline CD4 counts, viral loads and transaminases were similar in pregnant women with nevirapine adverse effects and those without reaction. Median absolute CD4 cell counts were 465.4 and 416.6 cells/µL in women with and without side effects, respectively (p=0.3). All patients who experienced hepatotoxicity had pretreatment CD4 counts superior to 250 cells/µL. CONCLUSIONS: The incidence of adverse events with nevirapine in our study was high, but most of them were cutaneous. There was no correlation between high CD4 counts and adverse events when analysing both cutaneous and hepatic reactions; nevertheless, hepatotoxicity occurred only in pregnant women with CD4 counts >250 cells/µL.
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Review Article12-05-2007
The severe maternal morbidity for the qualification of care: utopia or necessity?
Revista Brasileira de Ginecologia e Obstetrícia. 2007;29(9):484-489
Abstract
Review ArticleThe severe maternal morbidity for the qualification of care: utopia or necessity?
Revista Brasileira de Ginecologia e Obstetrícia. 2007;29(9):484-489
DOI 10.1590/S0100-72032007000900008
Views95See moreIn Brazil, where 90% of the childbirths occur in hospitals, 67.1% of the cases of maternal death are due to direct obstetric causes, mainly hypertensive disorders, but a quarter of the deaths are due to indirect obstetric causes. As maternal death is a rare event, estimated in 76/100,000, the study of severe maternal morbidity, following international literature, can contribute to qualify obstetrical care. Maternal morbidity is a continuum that ends with death, but there is a separate group, with extreme severity, known as near miss. From the literature review, there are the difficulties to obtain an operational definition of the cases of extremely severe morbidity or near miss. The prevalence ranged from 0.80-8.23%, according to the defining criteria and health care provided at the region. The characterization of severe maternal morbidity and near miss allows for monitoring the process of obstetrical care and could help to qualify treatment of maternal urgencies and emergencies, interrupting the process that can lead to death.