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Hydralazine

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https://www.readbyqxmd.com/read/28915854/medical-therapy-following-hospitalization-for-heart-failure-with-reduced-ejection-fraction-and-association-with-discharge-to-long-term-care-a-cross-sectional-analysis-of-the-reasons-for-geographic-and-racial-differences-in-stroke-regards-population
#1
Emily B Levitan, Melissa K Van Dyke, Ligong Chen, Raegan W Durant, Todd M Brown, J David Rhodes, Olusola Olubowale, Oluwole Muyiwa Adegbala, Meredith L Kilgore, Justin Blackburn, Karen C Albright, Monika M Safford
BACKGROUND: Less intensive treatment for heart failure with reduced ejection fraction (HFrEF) may be appropriate for patients in long-term care settings because of limited life expectancy, frailty, comorbidities, and emphasis on quality of life. METHODS: We compared treatment patterns between REasons for Geographic And Racial Differences in Stroke (REGARDS) study participants discharged to long-term care versus home following HFrEF hospitalizations. We examined medical records and Medicare pharmacy claims for 147 HFrEF hospitalizations among 80 participants to obtain information about discharge disposition and medication prescriptions and fills...
September 16, 2017: BMC Cardiovascular Disorders
https://www.readbyqxmd.com/read/28874950/appropriateness-of-bolus-antihypertensive-therapy-for-elevated-blood-pressure-in-the-emergency-department
#2
Joseph B Miller, Andrew Arter, Suprat S Wilson, Alexander T Janke, Aaron Brody, Brian P Reed, Phillip D Levy
INTRODUCTION: While moderate to severely elevated blood pressure (BP) is present in nearly half of all emergency department (ED) patients, the incidence of true hypertensive emergencies in ED patients is low. Administration of bolus intravenous (IV) antihypertensive treatment to lower BP in patients without a true hypertensive emergency is a wasteful practice that is discouraged by hypertension experts; however, anecdotal evidence suggests this occurs with relatively high frequency. Accordingly, we sought to assess the frequency of inappropriate IV antihypertensive treatment in ED patients with elevated BP absent a hypertensive emergency...
August 2017: Western Journal of Emergency Medicine
https://www.readbyqxmd.com/read/28868622/proliferation-inhibition-of-cisplatin-resistant-ovarian-cancer-cells-using-drugs-screened-by-integrating-a-metabolic-model-and-transcriptomic-data
#3
E Motamedian, E Taheri, F Bagheri
OBJECTIVES: If screening to find effective drugs is possible, the inhibition of proliferation using existing drugs can be a practical strategy to control the drug resistance of cancer. Development of a system-oriented strategy to find effective drugs was the main aim of this research. MATERIALS AND METHODS: An algorithm (transcriptional regulated flux balance analysis [TRFBA]) integrating a generic human metabolic model with transcriptomic data was used to identify genes affecting the growth of drug-resistant cancer cells...
September 3, 2017: Cell Proliferation
https://www.readbyqxmd.com/read/28867601/hydralazine-vs-nifedipine-for-acute-hypertensive-emergency-in-pregnancy-a-randomized-controlled-trial
#4
Chanderdeep Sharma, Anjali Soni, Amit Gupta, Ashok Verma, Suresh Verma
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 POG) 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...
September 1, 2017: American Journal of Obstetrics and Gynecology
https://www.readbyqxmd.com/read/28836059/posterior-reversible-encephalopathy-syndrome-in-children-with-kidney-disease
#5
REVIEW
Cristina Gavrilovici, Ingrith Miron, Luminiţa Voroneanu, Silvia Bădărau, Magdalena Stârcea
Posterior reversible encephalopathy syndrome (PRES) has been described as a neurological condition observed in a variety of clinical settings and is characterized by focal neurological deficits, seizures, headaches, altered mental status, and visual impairment, associated with transient typical lesions on neuroimaging, predominantly in the posterior part of the brain. The most common risk factors for PRES are hypertension, renal diseases, and the use of calcineurin inhibitors. The incidence of PRES in children with renal disorders varies between 4 and 9%, according to different reports...
August 23, 2017: International Urology and Nephrology
https://www.readbyqxmd.com/read/28831600/encouraging-results-with-the-compassionate-use-of-hydralazine-valproate-transkrip%C3%A2-as-epigenetic-treatment-for-myelodysplastic-syndrome-mds
#6
Myrna Candelaria, Sebastian Burgos, Mayra Ponce, Ramiro Espinoza, Alfonso Dueñas-Gonzalez
The hypomethylating agents azacytidine and decitabine are unaffordable for many patients with MDS. The combination of the DNA methyltransferase inhibitor hydralazine and the histone deacetylase inhibitor valproate has shown preliminary efficacy in MDS. The aim of this study is to evaluate the clinical efficacy and safety of hydralazine/valproate in a case series of MDS patients treated in a compassionate manner. Hydralazine was dosed according to the acetylation genotype of patients (slow acetylators 83 mg daily; fast acetylators 182 mg daily), and valproate was dosed at 30 mg/kg/day...
August 23, 2017: Annals of Hematology
https://www.readbyqxmd.com/read/28818332/antimicrobial-activity-and-acetylcholinesterase-inhibition-by-extracts-from-chromatin-modulated-fungi
#7
Matheus Thomaz Nogueira Silva Lima, Larissa Batista Dos Santos, Rafael Wesley Bastos, Jacques Robert Nicoli, Jacqueline Aparecida Takahashi
Major health challenges as the increasing number of cases of infections by antibiotic multiresistant microorganisms and cases of Alzheimer's disease have led to searching new control drugs. The present study aims to verify a new way of obtaining bioactive extracts from filamentous fungi with potential antimicrobial and acetylcholinesterase inhibitory activities, using epigenetic modulation to promote the expression of genes commonly silenced. For such finality, five filamentous fungal species (Talaromyces funiculosus, Talaromyces islandicus, Talaromyces minioluteus, Talaromyces pinophilus, Penicillium janthinellum) were grown or not with DNA methyltransferases inhibitors (procainamide or hydralazine) and/or a histone deacetylase inhibitor (suberohydroxamic acid)...
August 1, 2017: Brazilian Journal of Microbiology: [publication of the Brazilian Society for Microbiology]
https://www.readbyqxmd.com/read/28811809/peppered-and-rare-gastric-and-duodenal-pseudomelanosis-a-case-series
#8
Sami Samiullah, Hadi Bhurgri, Arooj Babar, Fatima Samad, Moaz M Choudhary, Michael Demyen
Upper Gastrointestinal (GI) pseudomelanosis is an uncommon entity characterized by endoscopic visualization of speckled dark mucosal pigmentation. While described in the rectum and colon, 'melanosis' or more aptly 'pseudomelanosis' is rare in the duodenum and exceedingly rare in the stomach. Five cases of pseudomelanosis were encountered at our department. Four females and one male were diagnosed, with a mean age of 70 years. All patients exhibited duodenal pseudomelanosis, with one demonstrating gastric antral pseudomelanosis as well...
May 2017: Pakistan Journal of Medical Sciences Quarterly
https://www.readbyqxmd.com/read/28760945/inactivation-of-nitric-oxide-synthesis-exacerbates-the-development-of-alzheimer-disease-pathology-in-appps1-mice-amyloid-precursor-protein-presenilin-1
#9
Diana Cifuentes, Marine Poittevin, Philippe Bonnin, Anta Ngkelo, Nathalie Kubis, Tatyana Merkulova-Rainon, Bernard I Lévy
The epidemiological link between hypertension and Alzheimer disease is established. We previously reported that hypertension aggravates the Alzheimer-like pathology in APPPS1 mice (amyloid precursor protein/presenilin-1, mouse model of Alzheimer disease) with angiotensin II-induced hypertension, in relation with hypertension and nitric oxide deficiency. To provide further insights into the role of nitric oxide in the hypertension-Alzheimer disease cross-talk, we studied the effects of nitric oxide blockade in APPPS1 mice using N(ω)-nitro-l-arginine methyl ester (l-NAME) alone or in combination with hydralazine, to normalize blood pressure...
July 31, 2017: Hypertension
https://www.readbyqxmd.com/read/28754555/elastin-insufficiency-causes-hypertension-structural%C3%A2-defects-and-abnormal-remodeling-of%C3%A2-renal-vascular-signaling
#10
Elizabeth A Owens, Li Jie, Beverly A S Reyes, Elisabeth J Van Bockstaele, Patrick Osei-Owusu
Elastin deficiency causes vascular stiffening, a leading risk for hypertension and chronic kidney disease (CKD). The mechanisms mediating hypertension and/or CKD pathogenesis due to elastin deficiency are poorly understood. Using the elastin heterozygous (Eln+/-) mouse model, we tested whether renal dysfunction due to elastin deficiency occurs independently of and precedes the development of hypertension. We assessed blood pressure and renal hemodynamics in 30-day and 12-week-old male and female mice. At P30, blood pressure of Eln+/- mice was similar to wild-type controls; however, renal blood flow was lower, whereas renal vascular resistance was augmented at baseline in Eln+/- mice...
July 26, 2017: Kidney International
https://www.readbyqxmd.com/read/28738383/hydralazine-is-a-suitable-mimetic-agent-of-hypoxia-to-study-the-impact-of-hypoxic-stress-on-in-vitro-blood-brain-barrier-model
#11
Morgane Chatard, Clémentine Puech, Nathalie Perek, Frédéric Roche
BACKGROUND/AIMS: Understanding cellular mechanisms induced by hypoxia is fundamental to reduce blood-brain barrier (BBB) disruption. Nevertheless, the investigation of hypoxia on cellular pathways is complex with true hypoxia because HIF-1α has a short lifetime and rapidly reverts back to a normoxic state. To overcome this difficulty, mimetic agents of the hypoxia pathway have been developed, including the gold standard CoCl2. In this study, we proposed to compare CoCl2 and hydralazine in order to determine a suitable mimetic agent of hypoxia for the study on the BBB...
July 24, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/28711448/the-paradox-in-demonstrating-hydralazine-nitrate-efficacy
#12
EDITORIAL
Jay N Cohn
No abstract text is available yet for this article.
July 7, 2017: JACC. Heart Failure
https://www.readbyqxmd.com/read/28711446/clinical-effectiveness-of-hydralazine-isosorbide-dinitrate-in-african-american-patients-with-heart%C3%A2-failure
#13
Boback Ziaeian, Gregg C Fonarow, Paul A Heidenreich
OBJECTIVES: This study sought to evaluate the effectiveness of hydralazine-isosorbide dinitrate (H-ISDN) in African Americans with heart failure (HF) with reduced ejection fraction (HFrEF). BACKGROUND: Among African-American patients with HFrEF, H-ISDN was found to improve quality of life and lower HF-related hospitalization and mortality rates in the A-HEFT (African-American Heart Failure Trial). Few studies have evaluated the effectiveness of this therapy in clinical practice...
September 2017: JACC. Heart Failure
https://www.readbyqxmd.com/read/28707284/fixed-dose-versus-off-label-combination-of-isosorbide-dinitrate-plus-hydralazine-hydrochloride-retrospective-propensity-matched-analysis-in-black-medicare-patients-with-heart-failure
#14
Elizabeth Ofili, Inder Anand, Richard Allen Williams, Ola Akinboboye, Liou Xu, Gary Puckrein
INTRODUCTION: Based upon the findings of the African-American Heart Failure Trial, the US Food and Drug Administration approved the fixed-dose combination of isosorbide dinitrate (ISDN) and hydralazine hydrochloride (HYD) (FDC-ISDN/HYD) as a new drug for treatment of heart failure (HF) in self-identified African Americans. According to the FDA, FDC-ISDN/HYD has no therapeutic equivalent. However, off-label combinations of the separate generic drugs ISDN and HYD (OLC-ISDN+HYD) or isosorbide mononitrate (ISMN) and HYD (OLC-ISMN+HYD) are routinely substituted without any supporting outcome data...
July 13, 2017: Advances in Therapy
https://www.readbyqxmd.com/read/28697227/postoperative-pyoderma-gangrenosum-following-video-assisted-thoracic-surgery
#15
Stanislav N Tolkachjov, Philip Y Sun, Alina G Bridges
<p>Pyoderma gangrenosum (PG) is a neutrophilic, ulcerative dermatosis that can develop at sites of cutaneous trauma, including surgical incisions, a phenomenon known as pathergy. The characteristic lesion is a painful, rapidly expanding ulceration with a violaceous undermined border.<sup>1</sup> A biopsy taken from the expanding violaceous border shows predominantly neutrophilic dermal inflammation with neutrophilic abscess formation.</p> <p>The etiology of PG appears to be variable among patients, as about a half of the reported cases are associated with systemic disease such as inflammatory bowel disease, rheumatoid arthritis, or myeloproliferative disorders, while the other half seem to be idiopathic...
July 1, 2017: Journal of Drugs in Dermatology: JDD
https://www.readbyqxmd.com/read/28689331/pathophysiology-and-current-clinical-management-of-preeclampsia
#16
REVIEW
Lorena M Amaral, Kedra Wallace, Michelle Owens, Babbette LaMarca
Preeclampsia is characterized by blood pressure greater than 140/90 mmHg in the second half of pregnancy. This disease is a major contributor to preterm and low birth weight babies. The early delivery of the baby, which becomes necessary for maintaining maternal well-being, makes preeclampsia the leading cause for preterm labor and infant mortality and morbidity. Currently, there is no cure for this pregnancy disorder. The current clinical management of PE is hydralazine with labetalol and magnesium sulfate to slow disease progression and prevent maternal seizure, and hopefully prolong the pregnancy...
August 2017: Current Hypertension Reports
https://www.readbyqxmd.com/read/28653770/studies-on-n-acetyltransferase-nat2-genotype-relationships-in-emiratis-confirmation-of-the-existence-of-phenotype-variation-among-slow-acetylators
#17
Mohammad M Al-Ahmad, Naheed Amir, Subramanian Dhanasekaran, Anne John, Yousef M Abdulrazzaq, Bassam R Ali, Salim Bastaki
BACKGROUND AND PURPOSE: Individuals with slow N-acetylation phenotype often experience toxicity from drugs such as isoniazid, sulfonamides, procainamide, and hydralazine, whereas rapid acetylators may not respond to these medications. The highly polymorphic N-acetyltransferase 2 enzyme encoded by the NAT2 gene is one of the N-acetylators in humans with a clear impact on the metabolism of a significant number of important drugs. However, there are limited studies on N-acetylation phenotypes and NAT2 genotypes among Emiratis, and thus this study was carried out to fill this gap...
June 27, 2017: Annals of Human Genetics
https://www.readbyqxmd.com/read/28632810/hydralazine-associated-cutaneous-casculitis-presenting-with-aerodigestive-tract-involvement
#18
Laura E Levin, Cynthia Magro, James Horowitz, Joanna Harp
Hydralazine-induced small vessel vasculitis is a rare entity with a limited number of cases reported in the dermatologic literature. A characteristic pattern of acral pseudoembolic vesiculopustules with necrosis and ulceration has been suggested along with involvement of the aerodigestive tract, indicating mucosal involvement is an important feature of this disease. We report the case of a patient with hydralazine-induced vasculitis who exemplified this characteristic presentation associated with severe involvement of the aerodigestive tract and gastrointestinal tract bleeding...
May 2017: Cutis; Cutaneous Medicine for the Practitioner
https://www.readbyqxmd.com/read/28602366/treatment-of-heart-failure-with-abnormal-left-ventricular-systolic-function-in-older-adults
#19
REVIEW
Wilbert S Aronow
Heart failure (HF) with abnormal left ventricular (LV) ejection fraction should be identified and treated. Treat hypertension with diuretics, angiotensin-converting enzyme (ACE) inhibitors, and β-blockers. Treat myocardial ischemia with nitrates and β-blockers. Treat volume overload and HF with diuretics. Treat HF with ACE inhibitors and β-blockers. Sacubitril/valsartan may be used instead of an ACE inhibitor or ARB in chronic symptomatic HF and abnormal LV ejection fraction. Add isosorbide dinitrate/hydralazine in African Americans with class II to IV HF treated with diuretics, ACE inhibitors, and β-blockers...
July 2017: Heart Failure Clinics
https://www.readbyqxmd.com/read/28598552/acrolein-scavenger-hydralazine-prevents-streptozotocin-induced-painful-diabetic-neuropathy-and-spinal-neuroinflammation-in-rats
#20
Lu Yao, Yun-Tao Wu, Guo-Xiang Tian, Chang-Quan Xia, Feng Zhang, Wei Zhang
Diabetes-induced neuropathic pain (DNP) substantially influences people's life qualities. Hyperglycemia-induced excess free radicals have been considered as the most critical mechanisms underlying DNP. As an unsaturated aldehyde and a reactive product of lipid peroxidation, acrolein plays critical roles in diabetic nephropathy and inflammatory pain. We sought to determine whether acrolein is involved in DNP in this study. Diabetes was induced by a single intraperitoneal (i.p.) injection of 60 mg/kg streptozotocin (STZ)...
June 9, 2017: Anatomical Record: Advances in Integrative Anatomy and Evolutionary Biology
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