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1.
Gynecol Obstet Invest ; 73(3): 183-8, 2012.
Artigo em Inglês | MEDLINE | ID: mdl-22398278

RESUMO

AIMS: To assess the prevalence of thrombophilia among Chinese women with venous thromboembolism (VTE) developed during pregnancy. METHODS: Based on information from a tertiary teaching unit, all recorded cases of deep vein thrombosis (DVT) and pulmonary embolism (PE) during pregnancy diagnosed between 1997 and 2005, were assessed for prevalence of thrombophilia. Fifty-five healthy women, who had at least one normal pregnancy but without any previous history of VTE, were recruited as controls. RESULTS: A total of 44 subjects completed thrombophilia screening, of whom 5 (11%) were confirmed to have thrombophilia [protein C (PC) deficiency (2), protein S (PS) deficiency (1), combined PC & PS deficiency (1) and antithrombin III deficiency (1)]. Homozygous 5,10-methylenetetrahydrofolate reductase (C677T) gene mutation was found in 6 (14%) subjects but not in the controls. There was no antiphospholipid syndrome, activated PC resistance, factor V Leiden or prothrombin gene mutations. CONCLUSION: In the Chinese population, PS and PC deficiencies are common thrombophilia for VTE during pregnancy and thrombophilia screening should be recommended in all pregnant women who suffer from VTE.


Assuntos
Complicações Hematológicas na Gravidez , Trombofilia/epidemiologia , Trombose Venosa/epidemiologia , Resistência à Proteína C Ativada/epidemiologia , Adulto , Deficiência de Antitrombina III/epidemiologia , Povo Asiático/etnologia , Estudos de Casos e Controles , Estudos de Coortes , Primers do DNA/química , Fator V/genética , Feminino , Hong Kong/epidemiologia , Humanos , Metilenotetra-Hidrofolato Redutase (NADPH2)/genética , Mutação , Gravidez , Prevalência , Estudos Prospectivos , Deficiência de Proteína C/epidemiologia , Deficiência de Proteína S/epidemiologia , Protrombina/genética , Embolia Pulmonar/epidemiologia
2.
Gynecol Obstet Invest ; 69(4): 264-9, 2010.
Artigo em Inglês | MEDLINE | ID: mdl-20090357

RESUMO

AIMS: To compare the performance of the four latest models of glucose meters in capillary blood glucose monitoring during pregnancy. METHODS: 208 pregnant women with gestational diabetes were recruited. Each subject had simultaneous capillary glucose monitoring by two study glucose meters and venous plasma glucose assay. The performance of four glucose meters was compared using error grid analysis (EGA) and the agreement between the meter readings and plasma glucose by Bland-Altman plot analysis. RESULTS: Elite, Advantage II and CareSens had more than 90% of readings in the acceptable target range of EGA. CareSens had the lowest mean bias by Bland-Altman analysis while Advantage II had the highest proportion of readings within 5% difference from plasma glucose. Readings from all glucose meters except Optium were not influenced by the change in maternal hematocrit levels. CONCLUSIONS: The performance of four study glucose meters appeared very similar.


Assuntos
Glicemia/análise , Diabetes Gestacional/sangue , Adulto , Capilares , Técnicas de Diagnóstico Endócrino/instrumentação , Feminino , Humanos , Monitorização Fisiológica , Gravidez , Sensibilidade e Especificidade , Veias
3.
Gynecol Obstet Invest ; 66(1): 22-6, 2008.
Artigo em Inglês | MEDLINE | ID: mdl-18230912

RESUMO

AIMS: To determine any relationship between ambient temperatures adjusted for humidity at conception and the occurrence of pre-eclampsia. METHODS: The subjects were singleton primiparae delivered in a Teaching Hospital between 1995 and 2002. We studied the odds of developing pre-eclampsia across months and investigated the association between the pre-eclamptic rates based on the months of conception and the mean monthly heat index. RESULTS: A total of 245 (1.6%) women were diagnosed pre-eclampsia and eclampsia during the study period. There was a significant association between the seasons of conception and rate of pre-eclampsia (logistic regression Wald chi(2) = 9.2, p = 0.03). Conceptions during summer had a higher risk of pre-eclampsia than those during autumn (2.3 vs. 1.6%, OR 1.7, 95% CI 1.2-2.5). Women who conceived in June had the highest risk of developing pre-eclampsia (OR 2.8, 95% CI 1.5-5.2) while women who conceived in October had the lowest after adjusting for age. A 2-month time lag was observed between the peak pre-eclamptic rate in women who conceived in June and the peak heat index in August. CONCLUSION: Singleton primiparous women who conceived in summer and had a longer exposure to higher ambient temperature were at a greater risk of pre-eclampsia.


Assuntos
Fertilização , Umidade , Pré-Eclâmpsia/epidemiologia , Estações do Ano , Temperatura , Adulto , China/epidemiologia , Feminino , Humanos , Incidência , Gravidez , Fatores de Risco , Fatores de Tempo
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