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1.
Clinics ; 74: e1200, 2019. tab, graf
Article in English | LILACS | ID: biblio-1039537

ABSTRACT

OBJECTIVES: To assess the expression of decidual natural killer (dNK) cells and their cytokines in twin pregnancies with preeclampsia. METHODS: This was a prospective case-control study. The inclusion criteria were diamniotic (monochorionic or dichorionic) twin pregnancies in the third trimester with negative serological results for infectious diseases; absence of major fetal abnormalities or twin-twin transfusion syndrome; and no history of administration of corticosteroids in this pregnancy. The control group (CG) included uncomplicated twin pregnancies, and the preeclampsia group (PEG) included twin gestations with clinical and laboratory confirmation of the disease according to well-established criteria. Samples of the decidua were obtained and analyzed by immunohistochemistry for the expression of dNK cells and interleukins (ILs) 10, 12 and 15. In addition, maternal serum samples were collected to determine the levels of these interleukins. RESULTS: Thirty twin pregnancies were selected: 20 in the control group (CG) and 10 in the preeclampsia group (PEG). The PEG showed strong placental immunostaining for IL-15 (p=0.001) and high maternal serum levels of IL-10 (22.7 vs. 11.9 pg/mL, p=0.024) and IL-15 (15.9 vs. 7.4 pg/mL, p=0.024). CONCLUSION: A higher maternal serum concentration of both pro- and anti-inflammatory factors was observed in the twin pregnancies in the PEG. However, no difference in placental expression of IL-10 was found between the groups. These findings may suggest that maternal attempts to balance these interleukins were not sufficient to cause a placental response, and this failure may contribute to the development of preeclampsia.


Subject(s)
Humans , Female , Pregnancy , Adolescent , Adult , Young Adult , Pre-Eclampsia/physiopathology , Pre-Eclampsia/blood , Killer Cells, Natural/physiology , Cytokines/blood , Decidua/cytology , Immunohistochemistry , Case-Control Studies , Prospective Studies , Cytokines/physiology , Decidua/physiology , Pregnancy, Twin
3.
Clinics ; 72(5): 265-271, May 2017. tab, graf
Article in English | LILACS | ID: biblio-840074

ABSTRACT

OBJECTIVE: The aim of the present study was to compare the placental weight and birth weight/placental weight ratio for intrauterine growth-restricted and non-intrauterine growth-restricted monochorionic and dichorionic twins. METHODS: This was a retrospective analysis of placentas from twin pregnancies. Placental weight and the birth weight/placental weight ratio were compared in intrauterine growth-restricted and non-intrauterine growth-restricted monochorionic and dichorionic twins. The association between cord insertion type and placental lesions in intrauterine growth-restricted and non-intrauterine growth-restricted monochorionic and dichorionic twins was also investigated. RESULTS: A total of 105 monochorionic (intrauterine growth restriction=40; non-intrauterine growth restriction=65) and 219 dichorionic (intrauterine growth restriction=57; non-intrauterine growth restriction=162) placentas were analyzed. A significantly lower placental weight was observed in intrauterine growth-restricted monochorionic (p=0.022) and dichorionic (p<0.001) twins compared to non-intrauterine growth-restricted twins. There was no difference in the birth weight/placental weight ratio between the intrauterine growth restriction and non-intrauterine growth restriction groups for either monochorionic (p=0.36) or dichorionic (p=0.68) twins. Placental weight and the birth weight/placental weight ratio were not associated with cord insertion type or with placental lesions. CONCLUSION: Low placental weight, and consequently reduced functional mass, appears to be involved in fetal growth restriction in monochorionic and dichorionic twins. The mechanism by which low placental weight influences the birth weight/placental weight ratio in intrauterine growth-restricted monochorionic and dichorionic twins needs to be determined in larger prospective studies.


Subject(s)
Humans , Female , Pregnancy , Adult , Young Adult , Birth Weight/physiology , Chorion/physiology , Fetal Development/physiology , Fetal Growth Retardation/physiopathology , Placenta/anatomy & histology , Pregnancy, Twin/physiology , Gestational Age , Organ Size , Placenta/pathology , Placenta/physiopathology , Reference Values , Retrospective Studies , Statistics, Nonparametric , Time Factors , Twins, Dizygotic , Twins, Monozygotic
4.
Clinics ; 71(12): 699-702, Dec. 2016. tab
Article in English | LILACS | ID: biblio-840020

ABSTRACT

OBJECTIVE: To evaluate the association between the depth of trophoblastic infiltration and serum vascular endothelial growth factorconcentration in patients with an ampullary pregnancy. METHODS: This prospective cross-sectionalstudy involved 34 patients with an ampullary ectopic pregnancy who underwent salpingectomy between 2012 and 2013. Maternal serum vascular endothelial growth factor concentrations were measured using Luminex technology. Trophoblastic invasion was classified histologically as follows: stage I, limited to the tubal mucosa; stage II, reaching the muscle layer; and stage III,involving the full thickness. The qualitative data were compared using Fisher's exact test. The nonparametric Kruskal-Wallis and Mann-Whitney tests were used to evaluate differences in serum vascular endothelial growth factor among the degrees of trophoblastic invasion. ROC curves were constructed to determine vascular endothelial growth factor cut-off values that predict the degree of tubal invasion based on the best sensitivity and specificity. RESULTS: Eight patients had stage I trophoblastic invasion, seven had stage II, and 19 had stage III. The median serum vascular endothelial growth factorconcentration was 69.88 pg/mL for stage I, 14.53 pg/mL for stage II and 9.08 pg/mL for stage III, with a significant difference between stages I and III. Based on the ROC curve, a serum vascular endothelial growth factor concentration of 25.9 pg/mL best differentiated stage I from stages II and III with asensitivity of 75.0%, specificity of 76.9%, and area under the curve of 0.798. CONCLUSIONS: The depth of trophoblastic penetration into the tubal wall isassociated with serum vascular endothelial growth factor concentration in ampullary pregnancies.


Subject(s)
Humans , Female , Pregnancy , Child , Adolescent , Adult , Young Adult , Fallopian Tubes/pathology , Pregnancy, Tubal/blood , Pregnancy, Tubal/pathology , Trophoblasts/pathology , Vascular Endothelial Growth Factor A/blood , Cross-Sectional Studies , Gestational Age , Predictive Value of Tests , Prospective Studies , ROC Curve , Statistics, Nonparametric
5.
Rev. Assoc. Med. Bras. (1992) ; 62(7): 687-690, Oct. 2016. graf
Article in English | LILACS | ID: biblio-829523

ABSTRACT

Summary Introduction: Fetal thrombotic vasculopathy is a recently described placental alteration with varying degrees of involvement and often associated with adverse perinatal outcomes. The diagnosis is made histologically and therefore is postnatal, which makes it a challenge in clinical practice. Method: Case report and review of literature on the subject. Results: The present case refers to a pregnant woman presenting fetal growth restriction, with poor obstetrical past, and sent late to our service. Even with weekly assessments of fetal vitality (fetal biophysical profile and Doppler velocimetry) and prenatal care, the patient progressed with fetal death at 36 weeks and 1 day. There was no association with inherited and acquired thrombophilia. Pathological examination of the placenta revealed fetal thrombotic vasculopathy. Conclusion: The fetal thrombotic vasculopathy may be associated with adverse perinatal outcomes including fetal death, but much remains to be studied regarding its pathogenesis. Diagnosis during pregnancy is not possible and there is still no proven treatment for this condition. Future studies are needed so that strategies can be developed to minimize the impact of fetal thrombotic vasculopathy.


Resumo Introdução: a vasculopatia trombótica fetal é uma alteração placentária recentemente descrita, com espectro variado de acometimento e, muitas vezes, associada a resultado perinatal adverso. Trata-se de diagnóstico histopatológico e, portanto, pós-natal, o que a torna um desafio para a prática clínica. Método: apresentação de um relato de caso e revisão da literatura. Resultados: o caso apresentado é de uma gestante com restrição do crescimento fetal, encaminhada tardiamente ao serviço, com histórico obstétrico ruim. Apesar da avaliação semanal da vitalidade fetal (perfil biofísico fetal e dopplervelocimetria) e dos cuidados pré-natais, o caso evoluiu a óbito fetal com 36 semanas e 1 dia. Não houve associação com trombofilias hereditárias e adquiridas. O anatomopatológico da placenta revelou vasculopatia trombótica fetal. Conclusão: sabe-se que a vasculopatia trombótica fetal pode estar associada a resultado perinatal adverso, incluindo óbito fetal. Ainda há muito a ser estudado acerca de sua etiopatogenia. Não é possível o diagnóstico durante a gestação e não existe ainda qualquer tratamento comprovado para essa condição. Estudos futuros são necessários para que estratégias que minimizem o impacto da vasculopatia trombótica fetal sejam desenvolvidas.


Subject(s)
Humans , Female , Pregnancy , Adult , Placenta Diseases/pathology , Thrombosis/pathology , Placenta/blood supply , Placenta/pathology , Gestational Age , Fetal Growth Retardation/pathology , Perinatal Death
6.
Rev. ginecol. obstet ; 13(4): 212-214, out.-dez. 2002. ilus
Article in Portuguese | LILACS | ID: lil-336884

ABSTRACT

O curso da doenca de Behcet durante a gravidez e variavel. A remissao, ativacao ou mudancas variaveis tem sido relatadas de acordo com cada paciente. Estudamos...


Subject(s)
Humans , Female , Pregnancy , Infant, Newborn , Adult , Pregnancy Complications , Behcet Syndrome/diagnosis , Prospective Studies
7.
Rev. ginecol. obstet ; 13(3): 154-157, jul.-set. 2002. ilus
Article in Portuguese | LILACS | ID: lil-328209

ABSTRACT

O tumor trofoblastico do sitio placentario (TTSP) e neoplasia derivada de celulas trofoblasticas intermediarias presentes nos vilos coriais e sitios extravilosos durante a gravidez. Entre 1976 a 1980, o TTSP era conhecido como pseudotumor trofoblastico. Apos reconhecimento do seu ...


Subject(s)
Humans , Female , Adult , Middle Aged , Granuloma, Plasma Cell/diagnosis , Trophoblastic Neoplasms/diagnosis , Diagnosis, Differential , Granuloma, Plasma Cell/therapy , Trophoblastic Neoplasms/therapy
8.
Rev. ginecol. obstet ; 13(2): 89-92, abr.-maio 2002. tab
Article in Portuguese | LILACS | ID: lil-325648

ABSTRACT

A sindrome antifosfolipide faz parte de um grupo de trombofilias relacionadas a complicacoes durante a gestacao como trombose e perdas fetais. A gravidade do quadro clinico e variavel e determinada por...


Subject(s)
Humans , Female , Aspirin , Enoxaparin , Antiphospholipid Syndrome/therapy , Pregnancy Complications, Cardiovascular , Thrombosis
9.
Rev. bras. ginecol. obstet ; 22(8): 511-7, set. 2000. ilus, tab
Article in Portuguese | LILACS | ID: lil-272859

ABSTRACT

Objetivos: demonstrar os tipos de malformaçöes em gestaçöes múltiplas assim como a influência da corionicidade nestes casos. Métodos: foram analisadas 169 gestaçöes múltiplas submetidas à avaliaçäo ultra-sonográfica no Setor de Medicina Fetal da Clínica Obstetrícia do Hospital das Clínicas da Faculdade de Medicina da Universidade de Säo Paulo no período de janeiro de 1997 a janeiro de 1999. A corionicidade foi definida por meio de ultra-sonografia no primeiro trimestre, presença de placentas separadas, sexos diferentes ou exame anatomopatológico da placenta. Resultados: do total de gestaçöes, 24 apresentavam malformaçöes fetais (14,2 por cento) sendo 22 em gestaçöes duplas e 2 em gestaçöes triplas. Das gestaçöes gemelares que apresentavam malformaçöes fetais, 13 eram monocoriônicas, 4 dicoriônicas e em 5 a corionicidade näo era conhecida. Os tipos de malformaçöes fetais foram aquelas associadas unicamente a gestaçöes múltiplas (gêmeos unidos, n=5; gêmeo acárdico, n=3) e as que também ocorrem em gestaçöes únicas. A idade gestacional do parto de fetos com anomalias foi menor em relaçäo aos sem anomalias. Conclusöes: a maioria das malformaçöes congênitas ocorreu em gestaçöes monocoriônicas. A determinaçäo precoce do tipo de placentaçäo é útil no estabelecimento do prognóstico de gestaçöes gemelares, permitindo o planejamento das condutas em gestaçöes complicadas por anomalias congênitas.


Subject(s)
Humans , Female , Pregnancy , Infant, Newborn , Adolescent , Adult , Fetus/abnormalities , Placenta/physiopathology , Pregnancy, Multiple , Chromosome Aberrations , Diseases in Twins , Gestational Age , Prenatal Diagnosis , Ultrasonography, Prenatal
10.
Rev. ginecol. obstet ; 9(4): 199-203, out.-dez. 1998. tab
Article in Portuguese | LILACS | ID: lil-236687

ABSTRACT

Objetivos: determinar as alteracoes placentarias mais frequentemente observadas em pacientes portadoras da sindrome antifosfolipide. Metodos: foram analisadas, macro e microscopicamente, as placentas de 15 pacientes portadoras da sindrome antifosfolipide, tratadas com heparina associada a aspirina. A ocorrencia de infartos vilosos, de trombose intervilosa ou subcorionica, de lesoes nos vasos de troncos vilosos, assim como as caracteristicas da arvore vilosa, foram pesquisadas. Resultados: macroscopicamente, o infarto placentario foi a lesao mais frequentemente observada (33,3 por cento). A analise microscopica, a presenca de lesoes nos vasos de troncos vilosos foi a principal alteracao constatada, sendo evidenciada hipertrofia da camada media em 93,3 por cento dos casos, edema da adventicia, em 73,3 por cento, e edema da intima, em 46,7 por cento, seguida pelo infarto placentario, observado em 46,7 por cento dos casos...


Subject(s)
Humans , Female , Pregnancy , Antiphospholipid Syndrome/complications , Pregnancy Complications/diagnosis , Placenta/pathology , Antibodies, Antiphospholipid/adverse effects , Antibodies, Antiphospholipid/analysis , Antiphospholipid Syndrome/diagnosis , Antiphospholipid Syndrome/epidemiology , Antiphospholipid Syndrome/therapy , Aspirin/therapeutic use , Heparin/therapeutic use , Pregnancy, High-Risk/metabolism
11.
ETS rev. chil. enfermedades transm. sex ; 4(3): 81-2, jul.-sept. 1989.
Article in Spanish | LILACS | ID: lil-82581

ABSTRACT

Se estudió la prevalenica de infección por citomegalovirus en una población de 174 embarazadas, atendidas en el Hospital San José, detectándose un 98,8% de seropositividad mediante ensayo de ELISA


Subject(s)
Pregnancy , Adolescent , Adult , Humans , Female , Antibodies, Viral/blood , Cytomegalovirus/blood
12.
Rev. imagem ; 11(2): 47-50, abr.-jun. 1989. ilus
Article in Portuguese | LILACS | ID: lil-77574

ABSTRACT

Os autores apresentam o caso de um paciente do sexo masculino, evoluçäo de seis meses, com tosse e dispnéia. A radiografia simples e a tomografia computadorizada demonstraram tumor no mediastino. A autópsia evidenciou tratar-se de teratoma maligno


Subject(s)
Adult , Humans , Male , Mediastinal Neoplasms , Teratoma , Tomography, X-Ray Computed
13.
Rev. imagem ; 11(2): 67-8, abr.-jun. 1989. ilus
Article in Portuguese | LILACS | ID: lil-77578

ABSTRACT

Um caso de leiomiossarcoma retroperitoneal de origem provável na veia renal esquerda é apresentado


Subject(s)
Aged , Humans , Female , Kidney Neoplasms/diagnosis , Leiomyosarcoma/diagnosis , Renal Veins , Kidney Neoplasms , Leiomyosarcoma , Tomography, X-Ray Computed , Ultrasonography
14.
Rev. chil. obstet. ginecol ; 53(6): 371-5, 1988. tab, ilus
Article in Spanish | LILACS | ID: lil-75779

ABSTRACT

Se estudió la incidencia de la infección herpética en 200 mujeres elegidas al azar durante el trabajo de parto, encontrándose 2% de embarazadas excretoras asintomáticas de virus herpes simplex. El estudio serológico de esta población mostró que 96% de ellas presentaba anticuerpos antiherpes, los que fueron transmitidos en niveles semejantes a sus hijos, situación comprobada al estudiar la sangre de cordón. No se detectó caso alguno de herpes neonatal en los recién nacidos de las madres excretoras virales


Subject(s)
Pregnancy , Infant, Newborn , Adolescent , Adult , Humans , Female , Herpes Genitalis/epidemiology , Parturition , Herpes Genitalis/transmission
15.
Pediatria (Säo Paulo) ; 9(2): 90-2, 1987. ilus
Article in Portuguese | LILACS | ID: lil-43907

ABSTRACT

Os autores apresentam o caso de um recém-nascido com dificuldade respiratória nas primeiras horas de vida. O diagnóstico clínico foi de hipertensäo pulmonar persistente, confirmado pelos dados de autópsia


Subject(s)
Infant, Newborn , Humans , Male , Persistent Fetal Circulation Syndrome/pathology
17.
J. bras. ginecol ; 95(4): 129-36, abr. 1985. tab, ilus
Article in Portuguese | LILACS | ID: lil-2608

ABSTRACT

Durante um período de 10 anos (1974-1983) foram atendidos 221 casos de eclâmpsia na Clínica Obstétrica da Faculdade de Medicina da USP. Para evidenciar a sua gravidade, as pacientes foram classificadas clinicamente, por ocasiäo da admissäo hospitalar, em: näo complicadas, complicadas e descompensadas. Trinta e três casos (14,9%) evoluíram para óbito e destes, 25 (75,9%) foram submetidos a exame necroscópico. A mortalidade materna foi analisada segundo dados de identificaçäo, relaçäo da convulsäo com as fases do ciclo gestacional, condiçöes clínicas à admissäo e tipos de tratamento. Os casos de óbito foram estudados clinicamente e necroscopicamente. Tendo em vista que as principais complicaçöes que conduziram ao óbito pacientes eclâmpticas foram pulmonares e cerebrais, estas complicaçöes säo detalhadamente discutidas


Subject(s)
Pregnancy , Adult , Humans , Female , Eclampsia/mortality , Maternal Mortality
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