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Clinical Autonomic Research: Official Journal of the Clinical Autonomic Research Society

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https://www.readbyqxmd.com/read/28725943/let-s-not-forget-about-the-vagus-and-other-updates-on-recent-autonomic-research
#1
EDITORIAL
Srikanth Muppidi, Mitchell G Miglis
No abstract text is available yet for this article.
July 19, 2017: Clinical Autonomic Research: Official Journal of the Clinical Autonomic Research Society
https://www.readbyqxmd.com/read/28717942/erratum-to-animal-and-cellular-models-of-familial-dysautonomia
#2
Frances Lefcort, Marc Mergy, Sarah B Ohlen, Yumi Ueki, Lynn George
No abstract text is available yet for this article.
July 17, 2017: Clinical Autonomic Research: Official Journal of the Clinical Autonomic Research Society
https://www.readbyqxmd.com/read/28710604/pacing-and-vasovagal-syncope-back-to-our-physiologic-roots
#3
EDITORIAL
Robert S Sheldon, Satish R Raj
No abstract text is available yet for this article.
July 14, 2017: Clinical Autonomic Research: Official Journal of the Clinical Autonomic Research Society
https://www.readbyqxmd.com/read/28710603/the-most-accurate-autonomic-function-test-the-medical-history
#4
EDITORIAL
Janice L Gilden
No abstract text is available yet for this article.
July 14, 2017: Clinical Autonomic Research: Official Journal of the Clinical Autonomic Research Society
https://www.readbyqxmd.com/read/28707017/basic-research-and-model-systems-in-familial-dysautonomia-what-do-we-know-and-what-s-next
#5
EDITORIAL
Antonio Heras-Garvin
No abstract text is available yet for this article.
July 13, 2017: Clinical Autonomic Research: Official Journal of the Clinical Autonomic Research Society
https://www.readbyqxmd.com/read/28699049/the-target-of-vasovagal-syncope-is-hemostasis-and-not-heart-protection
#6
EDITORIAL
Rolf R Diehl
No abstract text is available yet for this article.
July 11, 2017: Clinical Autonomic Research: Official Journal of the Clinical Autonomic Research Society
https://www.readbyqxmd.com/read/28699048/managing-neurogenic-orthostatic-hypotension-in-a-patient-presenting-with-pure-autonomic-failure-who-later-developed-parkinson-disease
#7
LETTER
Fiona Gupta, Daniel Kremens, Steven Vernino, Beverly Karabin
No abstract text is available yet for this article.
July 11, 2017: Clinical Autonomic Research: Official Journal of the Clinical Autonomic Research Society
https://www.readbyqxmd.com/read/28699047/titrating-droxidopa-to-maximize-symptomatic-benefit-in-a-patient-with-parkinson-disease-and-neurogenic-orthostatic-hypotension
#8
LETTER
Fiona Gupta, Beverly Karabin, Ali Mehdirad
No abstract text is available yet for this article.
July 11, 2017: Clinical Autonomic Research: Official Journal of the Clinical Autonomic Research Society
https://www.readbyqxmd.com/read/28674870/heart-rate-response-to-alpha2-adrenergic-receptor-antagonism-by-antipsychotics
#9
David D Kim, Donna J Lang, Darren E R Warburton, Melissa L Woodward, Randall F White, Alasdair M Barr, William G Honer, Ric M Procyshyn
PURPOSE: To explore the relationship between antipsychotic-associated antagonism of alpha2-adrenergic receptors and resting heart rate in individuals with schizophrenia. METHODS: Thirty-one inpatients treated with antipsychotics were included in this exploratory analysis. Antipsychotic doses were converted to haloperidol equivalents for alpha2-adrenergic receptor antagonism. Resting heart rate was measured with the patient in the seated upright posture. RESULTS: After controlling for confounding variables, the relationship between alpha2-adrenergic receptor antagonism and resting heart rate demonstrated a positive linear effect (P = 0...
July 3, 2017: Clinical Autonomic Research: Official Journal of the Clinical Autonomic Research Society
https://www.readbyqxmd.com/read/28674869/muscle-sympathetic-nerve-activity-peaks-in-the-first-trimester-in-healthy-pregnancy-a-longitudinal-case-study
#10
Sarah L Hissen, Khadigeh El Sayed, Vaughan G Macefield, Rachael Brown, Chloe E Taylor
OBJECTIVE AND METHODS: Muscle sympathetic nerve activity and baroreflex sensitivity were examined at rest before, during (weeks 6, 11, 17, 22, 25, 33 and 36) and after a normotensive pregnancy. RESULTS: Muscle sympathetic nerve activity is elevated during pregnancy with a large peak in the first trimester (Δ17 bursts/min) and a secondary peak in the third trimester (Δ11 bursts/min). Cardiac baroreflex sensitivity peaked in the first trimester (10 vs. 6 ms/mmHg pre-pregnancy), whereas sympathetic baroreflex sensitivity was greater throughout...
July 3, 2017: Clinical Autonomic Research: Official Journal of the Clinical Autonomic Research Society
https://www.readbyqxmd.com/read/28674868/polypharmacy-droxidopa-to-treat-neurogenic-orthostatic-hypotension-in-a-patient-with-parkinson-disease-and-type-2-diabetes-mellitus
#11
LETTER
Steven Vernino, Daniel Claassen
No abstract text is available yet for this article.
July 3, 2017: Clinical Autonomic Research: Official Journal of the Clinical Autonomic Research Society
https://www.readbyqxmd.com/read/28674867/adding-droxidopa-to-fludrocortisone-or-midodrine-in-a-patient-with-neurogenic-orthostatic-hypotension-and-parkinson-disease
#12
LETTER
Daniel Kremens, Mark Lew, Daniel Claassen, Brent P Goodman
No abstract text is available yet for this article.
July 3, 2017: Clinical Autonomic Research: Official Journal of the Clinical Autonomic Research Society
https://www.readbyqxmd.com/read/28674866/differential-diagnosis-of-suspected-neurogenic-orthostatic-hypotension-in-a-patient-with-parkinson-disease
#13
LETTER
Mark Lew, Daniel Kremens
No abstract text is available yet for this article.
July 3, 2017: Clinical Autonomic Research: Official Journal of the Clinical Autonomic Research Society
https://www.readbyqxmd.com/read/28674865/intranasal-dexmedetomidine-for-adrenergic-crisis-in-familial-dysautonomia
#14
Christy L Spalink, Erin Barnes, Jose-Alberto Palma, Lucy Norcliffe-Kaufmann, Horacio Kaufmann
PURPOSE: To report the use of intranasal dexmedetomidine, an α2-adrenergic agonist for the acute treatment of refractory adrenergic crisis in patients with familial dysautonomia. METHODS: Case series. RESULTS: Three patients with genetically confirmed familial dysautonomia (case 1: 20-year-old male; case 2: 43-year-old male; case 3: 26-year-old female) received intranasal dexmedetomidine 2 mcg/kg, half of the dose in each nostril, for the acute treatment of adrenergic crisis...
July 3, 2017: Clinical Autonomic Research: Official Journal of the Clinical Autonomic Research Society
https://www.readbyqxmd.com/read/28669088/vasovagal-syncope-with-asystole-the-role-of-cardiac-pacing
#15
REVIEW
Michele Brignole, Marco Tomaino, Alessio Gargaro
Whereas cardiac pacing has a very limited role overall in patients with vasovagal syncope (VVS), there are three reasons which support pacing efficacy in tilt-induced asystolic VVS. These are: (1) contrary to mixed and vasodepressor forms, an asystolic tilt response is specific, i.e., diagnostic, of VVS and is unlikely to occur in control patients without history of syncope and in patients with cardiac syncope; (2) contrary to mixed and vasodepressor forms, an asystolic tilt response predicts a similar asystolic event during prolonged ECG monitoring with a positive predictive value of 86%; (3) the available evidence from trials supports the efficacy of dual-chamber pacing with a low recurrence rate of syncope after pacing ranging from 6% up to 23% during 3 years of follow-up...
July 1, 2017: Clinical Autonomic Research: Official Journal of the Clinical Autonomic Research Society
https://www.readbyqxmd.com/read/28669087/typical-vasovagal-syncope-as-a-defense-mechanism-for-the-heart-by-contrasting-sympathetic-overactivity
#16
REVIEW
Paolo Alboni, Marco Alboni
Many observations suggest that typical (emotional or orthostatic) vasovagal syncope (VVS) is not a disease, but rather a manifestation of a non-pathological trait. Some authors have hypothesized this type of syncope as a "defense mechanism" for the organism and a few theories have been postulated. Under the human violent conflicts theory, the VVS evolved during the Paleolithic era only in the human lineage. In this evolutionary period, a predominant cause of death was wounding by a sharp object. This theory could explain the occurrence of emotional VVS, but not of the orthostatic one...
July 1, 2017: Clinical Autonomic Research: Official Journal of the Clinical Autonomic Research Society
https://www.readbyqxmd.com/read/28667576/can-syncope-cause-convulsive-seizures-in-adults
#17
Dearbhla M Kelly, Daniel J Costello
PURPOSE: Convulsive epileptic seizures triggered by transient cerebral hypoperfusion 'reflex anoxic seizures' are well-described in children but are not commonly recognized in adults. METHODS: We report a case series of 12 adults who presented acutely after generalized tonic-clonic seizures with a clear syncopal phase before the convulsion. We describe the aetiology, semiology and natural history of these events. RESULTS: Four patients (33...
June 30, 2017: Clinical Autonomic Research: Official Journal of the Clinical Autonomic Research Society
https://www.readbyqxmd.com/read/28667575/animal-and-cellular-models-of-familial-dysautonomia
#18
REVIEW
Frances Lefcort, Marc Mergy, Sarah B Ohlen, Yumi Ueki, Lynn George
Since Riley and Day first described the clinical phenotype of patients with familial dysautonomia (FD) over 60 years ago, the field has made considerable progress clinically, scientifically, and translationally in treating and understanding the etiology of FD. FD is classified as a hereditary sensory and autonomic neuropathy (HSAN type III) and is both a developmental and a progressive neurodegenerative condition that results from an autosomal recessive mutation in the gene IKBKAP, also known as ELP1. FD primarily impacts the peripheral nervous system but also manifests in central nervous system disruption, especially in the retina and optic nerve...
June 30, 2017: Clinical Autonomic Research: Official Journal of the Clinical Autonomic Research Society
https://www.readbyqxmd.com/read/28667574/reproducibility-of-24-h-heart-rate-variability-in-children
#19
Bojko Bjelakovic, Dragana Ilic, Stevo Lukic, Vladislav Vukomanovic, Cojbasic Zarko, Zoran Stankovic, Jovic Marko
BACKGROUND: Over the last decades, time domain heart rate (HR) variability analysis has been explored in different pediatric clinical settings to obtain information on the cardiac autonomic tone. However, the consistency over time of 24 h time domain HRV measurements in children is not well-known. METHODS: We investigated the reproducibility of 24 h HRV time-domain indices (1 day apart), from 39 healthy children (9.5 ± 5.3 years, 56.4% girls). The parameters analysed included: standard deviation of all the adjacent NN intervals, standard deviation of the averages of NN intervals (the intervals between normal R-peaks) in all 5-min segments, and square root of the mean of the sum of the squares of the differences between adjacent NN intervals, uncorrected and corrected for HR...
June 30, 2017: Clinical Autonomic Research: Official Journal of the Clinical Autonomic Research Society
https://www.readbyqxmd.com/read/28647892/postprandial-hypotension-in-neurological-disorders-systematic-review-and-meta-analysis
#20
REVIEW
Antun Pavelić, Magdalena Krbot Skorić, Luka Crnošija, Mario Habek
PURPOSE: Postprandial hypotension (PPH) has been associated with increased risk of syncope, falls, stroke, angina and mortality. As the majority of patients with PPH are asymptomatic, the diagnosis is often overlooked. The aim of this study was to perform a systematic review and meta-analysis of available scientific evidence on the likelihood of PPH in neurological diseases. METHODS: A systematic review of the literature (PubMed library, Cochrane Database for Systematic Reviews and Cochrane Central Register of Controlled Trials for results up to January 2017) identified 327 studies, of which 11 reported the frequency of PPH in patients with neurological diseases compared to healthy controls...
June 24, 2017: Clinical Autonomic Research: Official Journal of the Clinical Autonomic Research Society
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