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https://www.readbyqxmd.com/read/29334670/genetic-ablation-of-trpv1-exacerbates-pressure-overload-induced-cardiac-hypertrophy
#1
Beihua Zhong, Jack Rubinstein, Shuangtao Ma, Donna H Wang
Transient receptor potential vanilloid 1 (TRPV1) channels expressed in sensory nerves may regulate vascular tone and cardiovascular function via their anti-inflammatory effects by releasing neuropeptide calcitonin gene-related peptide (CGRP). Inflammation plays a role in the progression of cardiac hypertrophy and TRPV1 activation may be key to cardiac inflammatory processes. The aim of this study was to test the hypothesis that TRPV1 modulates inflammatory processes to protect the heart from pressure overload-induced hypertrophy and inflammatory responses...
January 12, 2018: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29334641/do-clinically-anxious-children-cluster-according-to-their-expression-of-factors-that-maintain-child-anxiety
#2
Samantha Pearcey, Anna Alkozei, Bhismadev Chakrabarti, Helen Dodd, Kou Murayama, Suzannah Stuijfzand, Cathy Creswell
BACKGROUND: Cognitive Behaviour Therapy (CBT) is an effective treatment for childhood anxiety disorders, yet a significant proportion of children do not benefit from it. CBT for child anxiety disorders typically includes a range of strategies that may not all be applicable for all affected children. This study explored whether there are distinct subgroups of children with anxiety disorders who are characterized by their responses to measures of the key mechanisms that are targeted in CBT (i...
January 3, 2018: Journal of Affective Disorders
https://www.readbyqxmd.com/read/29334615/hemodynamic-and-metabolic-responses-to-self-paced-and-ramp-graded-exercise-testing-protocols
#3
Nicholas M Beltz, Fabiano Amorim, Ann L Gibson, Jeffrey M Janot, Len Kravitz, Christine M Mermier, Nathan Cole, Terence A Moriarty, Tony P Nunez, Sam Trigg, Lance Dalleck
PURPOSE: Recent examinations have shown lower maximal oxygen uptake (VO2max) during traditional ramp (RAMP) compared to self-paced (SPV) graded exercise testing (GXT) attributed to differences in cardiac ouput. The current study examined the differences in hemodyamic and metabolic responses between RAMP and SPV during treadmill exercise. METHODS: Sixteen recreationally trained men (23.7±3.0 yrs) completed two separate treadmill GXT protocols. SPV consisted of five 2-min stages (10 min total) of increasing speed clamped by the Borg RPE6-20 scale...
January 15, 2018: Applied Physiology, Nutrition, and Metabolism, Physiologie Appliquée, Nutrition et Métabolisme
https://www.readbyqxmd.com/read/29334522/themes-in-literature-related-to-incidence-risk-and-prevention-of-cancer-in-solid-organ-transplantation-recipients-on-immunosuppressive-therapy
#4
Stefanie L Rashti
BACKGROUND: Solid-organ transplants provide a second chance to thousands of critically ill patients with end-organ failure each year. Immunosuppressants are administered to patients to prevent graft rejection of a transplanted organ, such as a heart, kidney, or liver, while placing the recipient at greater risk for infection and cancer. OBJECTIVE: The literature provides evidence of various cancers that have been found to develop in patients' posttransplantation...
January 12, 2018: Cancer Nursing
https://www.readbyqxmd.com/read/29334508/practical-valvular-issues-in-patients-requiring-ventricular-assist-devices
#5
Mitesh Badiwala, Terrence Yau
PURPOSE OF REVIEW: As ventricular assist device (VAD) therapy in patients with advanced heart failure continues to grow, experience with concomitant valvular diseases present either before or after VAD implantation continues to accrue. In this review, we discuss recent data and current practice as it pertains to the subject of concomitant valvular disease in patients requiring VADs. RECENT FINDINGS: Persistent aortic valve closure has been identified as a potential contributor to aortic valve 'disuse atrophy' resulting in valve degeneration...
January 13, 2018: Current Opinion in Cardiology
https://www.readbyqxmd.com/read/29334507/what-s-hot-in-heart-valve-disease-2018
#6
Bobby Yanagawa, Subodh Verma
No abstract text is available yet for this article.
January 13, 2018: Current Opinion in Cardiology
https://www.readbyqxmd.com/read/29334447/the-heart-of-the-matter-antidiabetic-medication-effects-on-cardiovascular-outcomes
#7
Jennifer Ball
No abstract text is available yet for this article.
December 2017: South Dakota Medicine: the Journal of the South Dakota State Medical Association
https://www.readbyqxmd.com/read/29334208/effects-of-crocin-on-the-pituitary-gonadal-axis-and-hypothalamic-kiss-1-gene-expression-in-female-wistar-rats
#8
Dina Zohrabi, Kazem Parivar, Mohammad Hossein Sanati, Nasim Hayati Roodbari
Background: Saffron (Crocus sativus L.) has been traditionally used as a spice for coloring and flavoring in some countries cuisine. One of the main components of saffron is Crocin. Recent research have shown that crocin has various pharmacological effects. The aim of this study was to assess the effects of crocin on the Pituitary-Gonadal axis and Kiss-1 gene expression in hypothalamus and ovarian tissue organization in female Wistar rats. MATERIALS AND METHODS: In this experimental study, 18 adult female Wistar rats were randomly divided into three groups...
April 2018: International Journal of Fertility & Sterility
https://www.readbyqxmd.com/read/29334025/heart-failure-the-increasing-need-for-a-focus-on-self-care
#9
Debra K Moser
No abstract text is available yet for this article.
April 2017: Western Journal of Nursing Research
https://www.readbyqxmd.com/read/29334021/a-comparison-of-training-and-competition-demands-in-semiprofessional-male-basketball-players
#10
Jordan L Fox, Robert Stanton, Aaron T Scanlan
PURPOSE: The purpose of this study was to quantify and compare training and competition demands in basketball. METHODS: Fifteen semiprofessional male basketball players wore microsensors during physical conditioning training (PCT), games-based training (GBT), and competition to measure absolute and relative (·min-1) PlayerLoadTM (PL) and estimated equivalent distance (EED). Internal responses were calculated using absolute and relative session rating of perceived exertion (sRPE) and summated heart rate zones (SHRZ)...
January 15, 2018: Research Quarterly for Exercise and Sport
https://www.readbyqxmd.com/read/29333996/energy-expenditure-and-intensity-of-active-video-games-in-children-and-adolescents
#11
Karina L R Canabrava, Fernanda R Faria, Jorge R P de Lima, Dartagnan P Guedes, Paulo R S Amorim
PURPOSE: This study aimed to compare the energy expenditure and intensity of active video games to that of treadmill walking in children and adolescents. METHOD: Seventy-two boys and girls (aged 8-13 years) were recruited from local public schools. Energy expenditure and heart rate were measured during rest, during 3-km/hr, 4-km/hr, and 5-km/hr walks, and during active games (Adventure, Boxing I, Boxing II, and Dance). During walking and active games, we also assessed physical activity using an accelerometer...
January 15, 2018: Research Quarterly for Exercise and Sport
https://www.readbyqxmd.com/read/29333839/-pa%C3%A3-ister-kiuian-syndrome-in-a-mexican-mestizo-patient-case-report
#12
Paola Mendelsberg-Fishbein, Constanza García-Delgado, Linda B Muñoz-Martínez, Maura Robledo-Cayetano, Leonardo J Mejía-Marín, Luis E Martínez-Barrera, Mabel Cerrillo-Hinojosa, Verónica F Moran-Barroso
Pallister-Killian syndrome is caused by a tetrasomy 12p mosaicism and is characterized by facial dysmorphism, pigmentary skin anomalies, congenital heart defects, diaphragmatic hernia, epilepsy and mental retardation. The diagnosis is complex as the cytogenetic analysis in blood is usually normal, requiring karyotyping in other tissues, therefore the clinical suspicion is critical to guide the diagnostic tests and the patient requires an interdisciplinary clinical evaluation regarding the several manifestation of the syndrome...
February 1, 2018: Archivos Argentinos de Pediatría
https://www.readbyqxmd.com/read/29333814/morbidity-in-congenital-heart-surgery-in-a-public-hospital-in-argentina
#13
María Althabe, Ricardo Rodríguez R, María Balestrini, Alberto Charroqui, Mariela Krynski, Ana M Lenz, Mercedes Montonati, Guillermo Moreno, María L Pilan, Ricardo Magliola, Pablo García Delucis
OBJECTIVE: To describe the complications associated with heart surgery, compare them to a reference population, and identify mortality risk factors. PATIENTS AND METHODS: Retrospective and descriptive study. All patients who underwent surgery at Hospital Garrahan in the 2013-2015 period were included. Age, weight, procedure, mechanical ventilation, length of stay in days, morbidity, and course were recorded. Renal failure requiring dialysis, neurological deficit, permanent pacemaker, circulatory support, phrenic nerve or vocal cord palsy, reoperation, wound infection, chylothorax, and tracheotomy were considered morbidities...
February 1, 2018: Archivos Argentinos de Pediatría
https://www.readbyqxmd.com/read/29333789/physical-training-in-a-medical-fitness-room-for-patients-with-chronic-diseases-functional-and-metabolic-outcomes
#14
Oshrat E Tayer-Shifman, Yigal Bar-On, David Pereg, Alon Y Hershko
BACKGROUND: Physical inactivity is a pivotal factor in the development and progression of various chronic diseases. However, most fitness facilities exclude unhealthy individuals. Therefore, an exercise program that admits such patients is imperative. OBJECTIVES: To evaluate the effectiveness of a fitness facility that admits adult subjects with multiple chronic diseases. METHODS: We conducted a retrospective screening of patient records from the Medical Fitness Facility at Meir Medical Center, Israel...
January 2018: Israel Medical Association Journal: IMAJ
https://www.readbyqxmd.com/read/29333775/-effect-of-dexmedetomidine-on-emergence-agitation-after-general-anesthesia-in-children-undergoing-odontotherapy-in-day-surgery-operating-room
#15
Luo Lin, Zhang Yueming, Li Meisheng, Wang Jiexue, Ji Yang
OBJECTIVE: To study the effectiveness of dexmedetomidine used for general anesthesia maintenance in children undergoing odontotherapy in day-surgery operating room in reducing the incidence of emergence agitation (EA). METHODS: Eighty children undergoing odontotherapy and under general anesthesia in day-surgery operating room were randomized into two groups, group A (n=40) and group B (n=40). Each patient in group A was administered with a bolus dose of dexmedetomidine (1...
December 1, 2017: Hua Xi Kou Qiang Yi Xue za Zhi, Huaxi Kouqiang Yixue Zazhi, West China Journal of Stomatology
https://www.readbyqxmd.com/read/29333726/calcium-current-properties-in-dystrophin-deficient-ventricular-cardiomyocytes-from-aged-mdx-mice
#16
Lena Rubi, Hannes Todt, Helmut Kubista, Xaver Koenig, Karlheinz Hilber
Duchenne muscular dystrophy (DMD), caused by mutations in the gene encoding for the cytoskeletal protein dystrophin, is linked with severe cardiac complications including cardiomyopathy development and cardiac arrhythmias. We and others recently reported that currents through L-type calcium (Ca) channels were significantly increased, and channel inactivation was reduced in dystrophin-deficient ventricular cardiomyocytes derived from the mdx mouse, the most commonly used animal model for human DMD. These gain-of-function Ca channel abnormalities may enhance the risk of Ca-dependent arrhythmias and cellular Ca overload in the dystrophic heart...
January 2018: Physiological Reports
https://www.readbyqxmd.com/read/29333722/cardiovascular-adjustments-during-anticipated-postural-changes
#17
Neesirg M Patel, Ethan A G Baker, Samuel R Wittman, Isaiah C Engstrom, George H Bourdages, Andrew A McCall, Derek M Miller, Bill J Yates
It is well-documented that feedforward cardiovascular responses occur at the onset of exercise, but it is unclear if such responses are associated with other types of movements. In this study, we tested the hypothesis that feedforward cardiovascular responses occur when a passive (imposed) 60° head-up tilt is anticipated, such that changes in heart rate and carotid artery blood flow (CBF) commence prior to the onset of the rotation. A light cue preceded head-up tilts by 10 sec, and heart rate and CBF were determined for 5-sec time periods prior to and during tilts...
January 2018: Physiological Reports
https://www.readbyqxmd.com/read/29333691/the-innate-immune-system-in-chronic-cardiomyopathy-a-european-society-of-cardiology-esc-scientific-statement-from-the-working-group-on-myocardial-function-of-the-esc
#18
REVIEW
Stefan Frantz, Ines Falcao-Pires, Jean-Luc Balligand, Johann Bauersachs, Dirk Brutsaert, Michele Ciccarelli, Dana Dawson, Leon J de Windt, Mauro Giacca, Nazha Hamdani, Denise Hilfiker-Kleiner, Emilio Hirsch, Adelino Leite-Moreira, Manuel Mayr, Thomas Thum, Carlo G Tocchetti, Jolanda van der Velden, Gilda Varricchi, Stephane Heymans
Activation of the immune system in heart failure (HF) has been recognized for over 20 years. Initially, experimental studies demonstrated a maladaptive role of the immune system. However, several phase III trials failed to show beneficial effects in HF with therapies directed against an immune activation. Preclinical studies today describe positive and negative effects of immune activation in HF. These different effects depend on timing and aetiology of HF. Therefore, herein we give a detailed review on immune mechanisms and their importance for the development of HF with a special focus on commonalities and differences between different forms of cardiomyopathies...
January 15, 2018: European Journal of Heart Failure
https://www.readbyqxmd.com/read/29333676/ether-%C3%A3-go-go-k-channels-effective-modulators-of-neuronal-excitability
#19
Christiane K Bauer, Jürgen R Schwarz
Mammalian EAG (ether-à-go-go) channels are voltage-gated K+ channels. They are encoded by the KCNH gene family and divided into three subfamilies, eag (Kv10), erg (eag-related gene; Kv11) and elk (eag-like; Kv12). All EAG channel subtypes are expressed in the brain where they effectively modulate neuronal excitability. This Topical Review describes the biophysical properties of each of the EAG channel subtypes, their function in neurons and the neurological diseases induced by EAG channel mutations. In contrast to the function of erg currents in the heart where they contribute to repolarization of the cardiac action potential, erg currents in neurons are involved in the maintenance of the resting potential, setting of action potential threshold and frequency accommodation...
January 15, 2018: Journal of Physiology
https://www.readbyqxmd.com/read/29333673/predicting-heart-failure-one-size-does-not-fit-all
#20
EDITORIAL
Jasper Tromp, Peter van der Meer
No abstract text is available yet for this article.
January 15, 2018: European Journal of Heart Failure
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