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nifedipine pregnancy

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https://www.readbyqxmd.com/read/29648694/safety-of-nifedipine-in-threatened-preterm-labor-investigation-by-three-dimensional-echocardiography
#1
Leonti Grin, Avishag Laish-Farkash, Simon Shenhav, Xavier Piltz, Liah Ganelin, Mark Rabinovich, Eyal Y Anteby, Chaim Yosefy
OBJECTIVE: To evaluate atrial and ventricular parameters using real time three-dimensional transthoracic echocardiography (RT3DTTE) in women treated with nifedipine in the early third trimester (III-T) of pregnancy. METHODS: A prospective single-subject design study in a university-affiliated hospital, where each participant served as her own control. We studied 25 pregnant women at a gestational age of 25-33 weeks with TPTL prior to vs 48 hours postnifedipine treatment...
April 12, 2018: Echocardiography
https://www.readbyqxmd.com/read/29569212/effect-of-pregnancy-on-cooling-tone-and-rhythmic-contractions-of-the-rat-urinary-bladder
#2
Seham Mustafa
OBJECTIVES: Pregnancy is a physiological alteration that can affect urinary bladder. Cooling of urinary bladder smooth muscle is known as a potent stimulus to micturition due to an increase in muscle tone. The current study investigates the effects of pregnancy on cooling tone and on the rhythmic contractions of the urinary bladder. METHODS: Twenty-four rats were used in this study as control group (non-pregnant) and pregnant group (18-20-day pregnancy). Isolated rat urinary muscle strips were suspended in organ baths containing Krebs' solution for isometric tension recording...
March 22, 2018: International Urology and Nephrology
https://www.readbyqxmd.com/read/29523282/the-effect-of-labetalol-and-nifedipine-mr-on-blood-pressure-in-women-with-chronic-hypertension-in-pregnancy
#3
E Shawkat, H Mistry, C Chmiel, L Webster, L Chappell, E D Johnstone, J E Myers
AIM: To compare the blood pressure (BP) lowering effects of labetalol and nifedipine modified release (MR) in hypertensive pregnant women. We also investigated the effect on the heart rate (HR) and determined the proportion of time spent in target. METHODS: This was an exploratory study. Women with chronic hypertension taking either labetalol or nifedipine were offered 24-h ambulatory blood pressure monitoring (ABPM). Sleep, wake and drug ingestion times were self-reported...
January 2018: Pregnancy Hypertension
https://www.readbyqxmd.com/read/29421836/drugs-in-pregnancy-and-lactation-medications-used-in-swiss-obstetrics
#4
Larissa Schenkel, Ana Paula Simões-Wüst, Irene Hösli, Ursula von Mandach
BACKGROUND: In order to improve the safety for drugs in pregnancy and lactation, data on the clinical practice must be collected and validated. METHODS: Data on the medications routinely used were requested from the university hospitals for obstetrics and the non-university perinatal centres in Switzerland and recommendations and guidelines of scientific societies for the various fields of application were sought. RESULTS: Part I: For during pregnancy and the peripartal period respectively, 69 and 21 different active constituents of medications were identified from at least 4 centres...
February 8, 2018: Zeitschrift Für Geburtshilfe und Neonatologie
https://www.readbyqxmd.com/read/29397624/-retrospective-analysis-of-diagnosis-and-treatment-of-breast-cancer-in-pregnancy
#5
F W Wang, S M Fu, Y C Jin, X H Gong, H D Cheng, K J Wu
Objective: To investigate the principles of diagnosis and treatment of breast cancer during pregnancy. Methods: Clinical data of patients with breast cancer during pregnancy admitted to Obstetrics and Gynecology Hospital of Fudan University between January 2012 to July 2017 were analyzed retrospectively. A total of 17 patients were diagnosed with breast cancer in pregnancy, the median age was 32 years (range from 25 to 45 years old), pathological staging revealed 2 patient with stage 0, 1 with stage Ⅱa, 7 with stage Ⅱb, 1 with stage Ⅲa, 2 with stage Ⅲc, 4 with stage Ⅳ...
February 1, 2018: Zhonghua Wai Ke za Zhi [Chinese Journal of Surgery]
https://www.readbyqxmd.com/read/29390463/a-double-blinded-randomized-placebo-controlled-trial-assessing-the-effects-of-nifedipine-on-embryo-transfer-study-protocol
#6
RANDOMIZED CONTROLLED TRIAL
Kelvin Kl Ng, Genia Rozen, Tanya Stewart, Franca Agresta, Alex Polyakov
INTRODUCTION: Implantation failure is the main factor affecting the success rate of in vitro fertilization (IVF) procedures. Studies have reported that uterine contractions (UCs) at the time of embryo transfer (ET) were inversely related to implantation and pregnancy rate, hence reducing the success of IVF treatment. Various pharmacological agents, with the exception of calcium channel blocker (CCB), have been investigated to reduce UC. In this regard, we are presenting a proposal for a double-blind randomized placebo-controlled trial...
December 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29380922/longitudinal-changes-in-vascular-function-parameters-in-pregnant-women-with-chronic-hypertension-and-association-with-adverse-outcome-a-cohort-study
#7
Louise M Webster, Jenny E Myers, Catherine Nelson-Piercy, Charlotte Mills, Ingrid Watt-Coote, Asma Khalil, Paul T Seed, J Kennedy Cruickshank, Lucy C Chappell
OBJECTIVES: Raised vascular function measures are associated with development of adverse maternal and perinatal outcomes in low risk pregnancy. This study aimed to evaluate the association between longitudinal vascular function parameters and adverse outcomes in pregnant women with chronic hypertension. METHODS: Pregnant women recruited to the PANDA (Pregnancy And chronic hypertension: NifeDipine vs lAbetalol as antihypertensive treatment) trial in three UK maternity units had serial pulse wave analyses performed using the Arteriograph® (Tensiomed, Budapest, Hungary) while in a sitting position from 12 weeks onwards...
January 30, 2018: Ultrasound in Obstetrics & Gynecology
https://www.readbyqxmd.com/read/29367581/pre-eclampsia-and-eclampsia-an-update-on-the-pharmacological-treatment-applied-in-portugal
#8
REVIEW
Gonçalo Miguel Peres, Melissa Mariana, Elisa Cairrão
Pre-eclampsia and eclampsia are two hypertensive disorders of pregnancy, considered major causes of maternal and perinatal death worldwide. Pre-eclampsia is a multisystemic disease characterized by the development of hypertension after 20 weeks of gestation, with the presence of proteinuria or, in its absence, of signs or symptoms indicative of target organ injury. Eclampsia represents the consequence of brain injuries caused by pre-eclampsia. The correct diagnosis and classification of the disease are essential, since the therapies for the mild and severe forms of pre-eclampsia are different...
January 17, 2018: Journal of Cardiovascular Development and Disease
https://www.readbyqxmd.com/read/29316154/lipid-profile-and-cytokines-in-hypertension-of-pregnancy-a-comparison-of-preeclampsia-therapies
#9
Yong Wang, Dandan Shi, Ling Chen
Hypertensive disorders complicating pregnancy can be classified as gestational hypertension, mild preeclampsia, and severe preeclampsia. It is necessary to evaluate and predict the grade in advance. The first study comprised 40 healthy pregnancies, 40 gestational hypertension, 40 mild preeclampsia, and 40 severe preeclampsia cases. The participants' lipid profile and cytokine levels were statistically compared. The efficacy and safety of oral nifedipine (n = 71) and intravenous labetalol (n = 72) for the treatment of severe preeclampsia were evaluated in the next study according to maternal and neonatal outcomes...
February 2018: Journal of Clinical Hypertension
https://www.readbyqxmd.com/read/29258478/pregnancy-prescription-medicines-and-the-potential-risk-of-herb-drug-interactions-a-cross-sectional-survey
#10
James S McLay, Naila Izzati, Abdul R Pallivalapila, Ashalatha Shetty, Binita Pande, Craig Rore, Moza Al Hail, Derek Stewart
BACKGROUND: Pregnant women are routinely prescribed medicines while self-medicating with herbal natural products to treat predominantly pregnancy related conditions. The aim of this study was to assess the potential for herb-drug interactions (HDIs) in pregnant women and to explore possible herb-drug interactions and their potential clinical significance. METHODS: A cross-sectional survey of women during early pregnancy or immediately postpartum in North-East Scotland...
December 19, 2017: BMC Complementary and Alternative Medicine
https://www.readbyqxmd.com/read/29207994/the-functional-and-molecular-studies-on-involvement-of-hydrogen-sulphide-in-myometrial-activity-of-non-pregnant-buffaloes-bubalus-bubalis
#11
Sooraj V Nair, Vipin Sharma, Abhishek Sharma, Udayraj P Nakade, Pooja Jaitley, Karikalan Mathesh, Soumen Choudhury, Satish Kumar Garg
BACKGROUND: Hydrogen sulphide (H2 S), a member of the gasotransmitters family, is known to play patho-physiological role in different body systems including during pregnancy. But its involvement in myometrial spontaneity and associated signalling pathways in uterus in non-pregnant animals is yet to be studied. Present study describes the effect of L-cysteine, an endogenous H2 S donor, on isolated myometrial strips of non-pregnant buffaloes and the underlying signaling mechanism(s). RESULTS: L-cysteine (10 nM-30 mM) produced concentration-dependent contractile effect on buffalo myometrium which was extracellular Ca2+ and L-type calcium channels-dependent...
December 6, 2017: BMC Veterinary Research
https://www.readbyqxmd.com/read/28993436/efficacy-of-resveratrol-to-supplement-oral-nifedipine-treatment-in-pregnancy-induced-preeclampsia
#12
Jian Ding, Yan Kang, Yuqin Fan, Qi Chen
OBJECTIVE: Preeclampsia (PE) is a complication affecting pregnant women worldwide, which usually manifests as severe maternal hypertension. Resveratrol (RESV), a naturally existing polyphenol, is known to exhibit beneficial effects in cardiovascular disease including hypertension. We evaluated the outcome of treatment combining oral nifedipine (NIFE) and RESV against PE. DESIGN AND METHODS: Using a randomized group assignment, 400 PE patients were enrolled and received oral treatments of either NIFE + RESV or NIFE + placebo...
November 2017: Endocrine Connections
https://www.readbyqxmd.com/read/28974495/prenatal-hypoxia-induced-dysfunction-in-cerebral-arteries-of-offspring-rats
#13
Jiaqi Tang, Na Li, Xueyi Chen, Qinqin Gao, Xiuwen Zhou, Yingying Zhang, Bailin Liu, Miao Sun, Zhice Xu
BACKGROUND: Hypoxia during pregnancy could cause abnormal development and lead to increased risks of vascular diseases in adults. This study determined angiotensin II (AII)-mediated vascular dysfunction in offspring middle cerebral arteries (MCA). METHODS AND RESULTS: Pregnant rats were subjected to hypoxia. Vascular tension in offspring MCA by AII with or without inhibitors, calcium channel activities, and endoplasmic reticulum calcium stores were tested. Whole-cell patch clamping was used to investigate voltage-dependent calcium channel currents...
October 3, 2017: Journal of the American Heart Association
https://www.readbyqxmd.com/read/28934223/ursodeoxycholic-acid-prevents-ventricular-conduction-slowing-and-arrhythmia-by-restoring-t-type-calcium-current-in-fetuses-during-cholestasis
#14
Oladipupo Adeyemi, Anita Alvarez-Laviada, Francisca Schultz, Effendi Ibrahim, Michael Trauner, Catherine Williamson, Alexey V Glukhov, Julia Gorelik
BACKGROUND: Increased maternal serum bile acid concentrations in intrahepatic cholestasis of pregnancy (ICP) are associated with fetal cardiac arrhythmias. Ursodeoxycholic acid (UDCA) has been shown to demonstrate anti-arrhythmic properties via preventing ICP-associated cardiac conduction slowing and development of reentrant arrhythmias, although the cellular mechanism is still being elucidated. METHODS: High-resolution fluorescent optical mapping of electrical activity and electrocardiogram measurements were used to characterize effects of UDCA on one-day-old neonatal and adult female Langendorff-perfused rat hearts...
2017: PloS One
https://www.readbyqxmd.com/read/28924743/a-physiologically-based-pharmacokinetic-model-for-pregnant-women-to-predict-the-pharmacokinetics-of-drugs-metabolized-via-several-enzymatic-pathways
#15
André Dallmann, Ibrahim Ince, Katrin Coboeken, Thomas Eissing, Georg Hempel
BACKGROUND: Physiologically based pharmacokinetic modeling is considered a valuable tool for predicting pharmacokinetic changes in pregnancy to subsequently guide in-vivo pharmacokinetic trials in pregnant women. The objective of this study was to extend and verify a previously developed physiologically based pharmacokinetic model for pregnant women for the prediction of pharmacokinetics of drugs metabolized via several cytochrome P450 enzymes. METHODS: Quantitative information on gestation-specific changes in enzyme activity available in the literature was incorporated in a pregnancy physiologically based pharmacokinetic model and the pharmacokinetics of eight drugs metabolized via one or multiple cytochrome P450 enzymes was predicted...
September 18, 2017: Clinical Pharmacokinetics
https://www.readbyqxmd.com/read/28922987/admissions-for-hypoglycaemia-after-35%C3%A2-weeks-of-gestation-perinatal-predictors-of-cost-of-stay
#16
Theodore Dassios, Anne Greenough, Stamatina Leontiadi, Ann Hickey, Nick Kametas
BACKGROUND: Hypoglycaemia accounts for approximately one tenth of term admissions to neonatal units, can cause long-term neurodevelopmental impairment and is associated with significant burden to the affected infants, families and the health system. OBJECTIVE: To define the prevalence, length and cost of admissions for hypoglycaemia in infants born at greater than 35 weeks gestation and to identify antenatal and perinatal predictors of those outcomes. MATERIAL AND METHODS: This was a retrospective audit of infants admitted for hypoglycaemia between 1/1/2012 and 31/12/2015, in a level three neonatal intensive care unit at King's College Hospital NHS Foundation Trust, London...
September 18, 2017: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/28916261/withdrawn-differential-involvement-of-l-and-t-type-ca-2-channels-store-operated-calcium-channel-trpc-and-rho-kinase-signaling-pathway-s-in-pgf-2%C3%AE-induced-contractions-in-myometrium-of-non-pregnant-and-pregnant-buffaloes-bubalus-bubalis
#17
Abhishek Sharma, Udayraj P Nakade, Pooja Jaitley, Vipin Sharma, Soumen Choudhury, Satish Kumar Garg
This article has been withdrawn at the request of the author(s) and/or editor. The Publisher apologizes for any inconvenience this may cause. The full Elsevier Policy on Article Withdrawal can be found at https://www.elsevier.com/about/our-business/policies/article-withdrawal.
September 12, 2017: Prostaglandins & Other Lipid Mediators
https://www.readbyqxmd.com/read/28893900/labetalol-versus-nifedipine-as-antihypertensive-treatment-for-chronic-hypertension-in-pregnancy-a-randomized-controlled-trial
#18
RANDOMIZED CONTROLLED TRIAL
Louise M Webster, Jenny E Myers, Catherine Nelson-Piercy, Kate Harding, J Kennedy Cruickshank, Ingrid Watt-Coote, Asma Khalil, Cornelia Wiesender, Paul T Seed, Lucy C Chappell
Data from randomized controlled trials to guide antihypertensive agent choice for chronic hypertension in pregnancy are limited; this study aimed to compare labetalol and nifedipine, additionally assessing the impact of ethnicity on treatment efficacy. Pregnant women with chronic hypertension (12+0 -27+6 weeks' gestation) were enrolled at 4 UK centers (August 2014 to October 2015). Open-label first-line antihypertensive treatment was randomly assigned: labetalol- (200-1800 mg/d) or nifedipine-modified release (20-80 mg/d)...
November 2017: Hypertension
https://www.readbyqxmd.com/read/28867601/hydralazine-vs-nifedipine-for-acute-hypertensive-emergency-in-pregnancy-a-randomized-controlled-trial
#19
RANDOMIZED CONTROLLED TRIAL
Chanderdeep Sharma, Anjali Soni, Amit Gupta, Ashok Verma, Suresh Verma
BACKGROUND: There is a paucity of good quality evidence regarding the best therapeutic option for acute control of blood pressure during acute hypertensive emergency of pregnancy. OBJECTIVE: We sought to compare the efficacy of intravenously administered hydralazine and oral nifedipine for acute blood pressure control in acute hypertensive emergency of pregnancy. STUDY DESIGN: In this double-blind, randomized, controlled trial, pregnant women (≥24 weeks period of gestation) with sustained increase in systolic blood pressure of ≥160 mm Hg or diastolic blood pressure of ≥110 mm Hg were randomized to receive intravenous hydralazine injection in doses of 5, 10, 10, and 10 mg and a placebo tablet or oral nifedipine (10 mg tablet up to 4 doses) and intravenous saline injection every 20 minutes until the target blood pressure of 150 mm Hg systolic and ≤100 mm Hg diastolic was achieved...
December 2017: American Journal of Obstetrics and Gynecology
https://www.readbyqxmd.com/read/28757108/celastrol-synergizes-with-oral-nifedipine-to-attenuate-hypertension-in-preeclampsia-a-randomized-placebo-controlled-and-double-blinded-trial
#20
Sha Xiao, Ming Zhang, Yuan Liang, Deling Wang
Preeclampsia, a disease mainly manifesting as serious hypertension during pregnancy, affects expectant mothers around the globe. Celastrol, a naturally existing triterpenoid, is known to exhibit beneficial effects attenuating cardiovascular symptoms including hypertension. We here assessed the treatment outcome against preeclampsia with a combined use of celastrol and nifedipine. A total of 626 patients with preeclampsia were enrolled, screened, and assigned by random to groups receiving either nifedipine + placebo or nifedipine + celastrol orally...
September 2017: Journal of the American Society of Hypertension: JASH
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