Publications by authors named "Hajek Z"

This report concerns now 40-year-old healthy woman who was born alive and healthy from an ectopic pregnancy in the abdominal cavity, with placental localization on the omentum. This was a historical case report 40 years ago, as at that time doctors had little information about similar case in the world. Even today, in the era of modern medicine, we find only rare cases where a child developed outside the uterine cavity is born healthy and without developmental deformities.

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Objective: Contemporary role of cerclage as a preterm birth treatment.

Design: Review article.

Setting: Department of Obstetrics and Gynecology of the First Faculty of Medicine and General Teaching Hospital in Prague.

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Steroid profiling helps various pathologies to be rapidly diagnosed. Results from analyses investigating steroidogenic pathways may be used as a tool for uncovering pathology causations and proposals of new therapeutic approaches. The purpose of this study was to address still underutilized application of the advanced GC-MS/MS platform for the multicomponent quantification of endogenous steroids.

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Intrahepatic cholestasis of pregnancy (ICP) is a frequent liver disorder, mostly occurring in the third trimester. ICP is not harmful to the mothers but threatens the fetus. The authors evaluated steroid alterations in maternal and mixed umbilical blood to elucidate their role in the ICP development.

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Objective: The aim of this single-center study was to identify factors that affect the short-term outcome of newborns delivered around the limits of viability.

Methods: A group of 137 pregnant women who gave birth between 22+0/7 and 25+6/7 weeks of gestation was retrospectively studied. The center supports a proactive approach to infants around the limits of viability.

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Intrahepatic cholestasis of pregnancy (ICP) is a common liver disorder, mostly occurring in the third trimester. ICP is defined as an elevation of serum bile acids, typically accompanied by pruritus and elevated activities of liver aminotransferases. ICP is caused by impaired biliary lipid secretion, in which endogenous steroids may play a key role.

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Problem: To evaluate the association between serum presepsin (soluble CD14 antigen subtype, sCD14-ST) levels soon after the appearance of signs of preterm delivery and preterm delivery within 48 h, before the 34th and 37th gestational weeks and the possible additional value of concurrently evaluated ultrasound vaginal cervicometry with serum presepsin measurement.

Methodology: A total of 60 females were included. Serum presepsin was measured by a chemiluminescent immunoassay.

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Recent discoveries suggest that T-regulatory lymphocytes (Treg) might play an important role in the pathophysiology of preterm labor. The aim of this study was to assess the relationship among the levels of maternal circulating Treg cells, uterine cervical length, and the risk of preterm labor. Sixty women with regular contractions and/or cervical incompetence at 24-32 weeks' gestation were recruited into a prospective study.

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22 experts from the fields of gynecology and obstetrics, anesthesiology and resuscitation, intensive care, hematology and transfusion medicine has developed recommendations for diagnosis and procedure for life-threatening peripartum haemorrhage, which is still one of the most common causes of maternal mortality in childbirth. This guidelines, which is valid for the Czech Republic, supported by a total of 10 professional medical societies. There are based on new knowledge applicable at this time and is focused mainly on eliminating the most common causes of bleeding during delivery and prevention of haemorrhagic shock.

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Objective: To give attention to the rare complication of pregnancy.

Design: Case report.

Settings: Dept.

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Objective: To evaluate current knowledge about the management of preterm premature rupture of the membranes (PPROM).

Design: Review article.

Setting: Perinatological center, Department of Gynecology and Obstetrics, General Faculty Hospital and 1st Medical School of Charles University, Prague.

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Objective: Evaluation of antenatal care, perinatal mortality, neonatal mortality, maternal mortality, number of births, the incidence of low birth weight infants in Albania.

Design Of The Study: Retrospective study.

Setting: Queen Geraldine University Hospital of Tirana, Albania.

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Objectives: The aim of the study was to analyze polymorphisms of receptor for advanced glycation end products (RAGE) gene, and glyoxalase I gene and soluble RAGE, sRAGE, in physiological and pathological pregnancy.

Design And Methods: Polymorphisms of RAGE gene (-429 T/C, -374 T/A, 557 G/A, 2184 A/G) and glyoxalase I gene (A419C) and sRAGE serum levels were determined in 284 women with pathological and physiological pregnancy.

Results: No differences in distribution of genotype and allelic frequencies of studied polymorphisms were found.

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Objectives: The aim of the study was to investigate genetic and biochemical background of PAPP-A (pregnancy-associated plasma protein A) in patients with risk pregnancies.

Design And Methods: Five PAPP-A gene polymorphisms and PAPP-A maternal serum levels were studied together in 165 women in third trimester pregnancies complicated with threatening preterm labor (n=98), preeclampsia (n=35), intrauterine growth restriction (n=34) and ICP (intrahepatic cholestasis of pregnancy) (n=15). 114 healthy pregnant women served as controls.

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Pregnant women are often threatened by hypertension, symptoms of preterm labour, hepatopathy, and other. These complications might be the consequence of genetic factors together with involvement of environmental factors. We were searching for three polymorphisms Arg654Lys, Ala678Pro and Thr686Ala in exon 5, and two polymorphisms Phe802Leu, Ser827Ser/Leu in exon 7, and for the new mutations in exons 5 and 7 of the pregnancy-associated plasma protein A gene in the studied group consisting of 203 women - 79 pregnant women in time of preterm labour, 24 pregnant women suffering from preeclampsia, and 100 healthy pregnant and non-pregnant women serving as controls.

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Objectives: to assess the relationship between maternal and umbilical serum concentrations of matrix metalloproteinases (MMP)-2,8,9, the soluble receptor for advanced glycation end products (sRAGE) and IL-10 and premature delivery and fetal inflammation.

Methods: maternal serum levels of MMPs, sRAGE, IL-10 and C-reactive protein (CRP) were determined in 67 women with preterm labor and in 38 healthy pregnant women of similar gestational age (GA). In the group with preterm labor we also determined umbilical concentrations of MMPs, IL-6 and sRAGE.

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Objective: Review of the physiological role of neuroactive and neuroprotective steroids in human pregnancy.

Design: A review article.

Setting: Gynecological-Obstetrical Clinic, 1st Medical Faculty, Charles University and General Hospital, Prague.

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New knowledge of the pathophysiology of premature birth enables us to introduce new approaches in prenatal care as well as the management of premature delivery. These apply for the patients with subclinical risk factors, particularly with thrombophilias, chronic infections or other latent chronic infections. The peri- and pre-conceptional dispensarisation of these women might help reduce the development of premature delivery.

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Objective: The receptor for advanced glycation end products, RAGE, has been implicated in pathogenesis of many diseases. Soluble RAGE, sRAGE, extracellular domain of RAGE, is new biomarker. The aim of the study was to determine sRAGE levels in physiological pregnancy and their changes in pregnancies complicated by preterm labor or preeclampsia.

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A specific pathogenic process of premature delivery represents the inflammation. Birth canal infections seem to play a key role in the ethiopathogenesis of premature delivery; the related biochemical changes significantly affect perinatal morbidity and mortality. Other potential causes, particularly hormone metabolism disorders or uteroplacental ischaemia have been intensively studied.

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Symphysis pubis rupture is rare but life-threatening complication of vaginal delivery. Prompt diagnosis and therapy of this complication is crucial. We present a case report of a patient with a symphysis pubis rupture followed by severe intraabdominal bleeding.

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Objective: To summarize available data concerning pathophysiology and management of preterm labour and their use in clinical practice.

Setting: Department of Obstetrics and Gynecology od the First Faculty of Medicine, Charles University, and General Teaching Hospital, Prague.

Design: Review article.

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Objective: To present our clinical experience with a case of myomectomy of very big myoma during the second trimestr of pregnancy and to analyse current articles with this topics. Two myomectomies in one pregnancy (in the second trimestr and during the cesarian section) are presented.

Design: Review article, case report.

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Objective: The receptor for advanced glycation end products, RAGE, plays an important role in the pathogenesis of several diseases. sRAGE, soluble receptor for advanced glycation end products, is an inhibitor of the pathological effect mediated via RAGE. The aim of this study was to assess the usefulness of measuring sRAGE concentration in pregnant women with threatening preterm labor.

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