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192 results

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Page 1
Heart rate and heart rate variability comparison between postural orthostatic tachycardia syndrome versus healthy participants; a systematic review and meta-analysis.
Swai J, Hu Z, Zhao X, Rugambwa T, Ming G. Swai J, et al. BMC Cardiovasc Disord. 2019 Dec 30;19(1):320. doi: 10.1186/s12872-019-01298-y. BMC Cardiovasc Disord. 2019. PMID: 31888497 Free PMC article.
BACKGROUND: A number of published literature has reported that, physiologically, heart rate variability (HRV) in patients with postural orthostatic tachycardia syndrome (POTS) to be greatly confounded by age, sex, race, physical fitness, and cir …
BACKGROUND: A number of published literature has reported that, physiologically, heart rate variability (HRV) in patien …
Cardiac Autonomic Neuropathy in Diabetes Mellitus.
Agashe S, Petak S. Agashe S, et al. Methodist Debakey Cardiovasc J. 2018 Oct-Dec;14(4):251-256. doi: 10.14797/mdcj-14-4-251. Methodist Debakey Cardiovasc J. 2018. PMID: 30788010 Free PMC article. Review.
Treatment is limited to symptomatic control of orthostatic hypotension, which is a late complication, and current strategies to reverse CAN are limited. ...
Treatment is limited to symptomatic control of orthostatic hypotension, which is a late complication, and current strategies to rever …
Dysautonomia: A Forgotten Condition - Part 1.
Rocha EA, Mehta N, Távora-Mehta MZP, Roncari CF, Cidrão AAL, Elias Neto J. Rocha EA, et al. Arq Bras Cardiol. 2021 Apr;116(4):814-835. doi: 10.36660/abc.20200420. Arq Bras Cardiol. 2021. PMID: 33886735 Free PMC article. English, Portuguese.
Postural orthostatic tachycardia syndrome (POTS), another form of presentation of dysautonomic syndromes, is characterized by sustained elevation of heart rate (HR) 30 bpm ( 40 bpm if <20 years) or HR 120 bpm, in the first 10 minutes in an orth …
Postural orthostatic tachycardia syndrome (POTS), another form of presentation of dysautonomic syndromes, is characterized by …
Noninvasive Vagus Nerve Stimulation in Postural Tachycardia Syndrome: A Randomized Clinical Trial.
Stavrakis S, Chakraborty P, Farhat K, Whyte S, Morris L, Abideen Asad ZU, Karfonta B, Anjum J, Matlock HG, Cai X, Yu X. Stavrakis S, et al. JACC Clin Electrophysiol. 2024 Feb;10(2):346-355. doi: 10.1016/j.jacep.2023.10.015. Epub 2023 Nov 22. JACC Clin Electrophysiol. 2024. PMID: 37999672 Free PMC article. Clinical Trial.
Adherence to daily stimulation was 83% in the active arm and 86% in the sham arm (P > 0.05). Postural tachycardia was significantly less in the active arm compared with the sham arm at 2 months (mean postural increase in heart rate 17.6 9.9 beats/min vs …
Adherence to daily stimulation was 83% in the active arm and 86% in the sham arm (P > 0.05). Postural tachycardia was significantl …
Resting heart rate variability as a diagnostic marker of cardiovascular dysautonomia in postural tachycardia syndrome.
Inbaraj G, Udupa K, Vasuki PP, Nalini A, Sathyaprabha TN. Inbaraj G, et al. J Basic Clin Physiol Pharmacol. 2022 Nov 11;34(1):103-109. doi: 10.1515/jbcpp-2022-0069. eCollection 2023 Jan 1. J Basic Clin Physiol Pharmacol. 2022. PMID: 36367272
Heart rate variability (HRV) is the most reliable and objective tool for assessing autonomic dysfunction severity. ...Along with clinical characterization, heart rate variability was evaluated using ambulatory 5 min ECG in lead II and exp …
Heart rate variability (HRV) is the most reliable and objective tool for assessing autonomic dysfunction severity. ...A …
Diabetic autonomic neuropathy.
Vinik AI, Maser RE, Mitchell BD, Freeman R. Vinik AI, et al. Diabetes Care. 2003 May;26(5):1553-79. doi: 10.2337/diacare.26.5.1553. Diabetes Care. 2003. PMID: 12716821 Review.
Major clinical manifestations of DAN include resting tachycardia, exercise intolerance, orthostatic hypotension, constipation, gastroparesis, erectile dysfunction, sudomotor dysfunction, impaired neurovascular function, "brittle diabetes," and hypoglycemic autonomic …
Major clinical manifestations of DAN include resting tachycardia, exercise intolerance, orthostatic hypotension, constipation, …
Heart Rate Variability in Head-Up Tilt Tests in Adolescent Postural Tachycardia Syndrome Patients.
Orjatsalo M, Alakuijala A, Partinen M. Orjatsalo M, et al. Front Neurosci. 2020 Aug 11;14:725. doi: 10.3389/fnins.2020.00725. eCollection 2020. Front Neurosci. 2020. PMID: 32848537 Free PMC article.
Introduction: Postural tachycardia syndrome (POTS) is a suspected dysautonomia with symptoms of orthostatic intolerance and abnormally increased heart rate while standing. ...We compared heart rate variability with high- and …
Introduction: Postural tachycardia syndrome (POTS) is a suspected dysautonomia with symptoms of orthostatic intolerance and ab …
Diagnostic Value of Diurnal Variability of Orthostatic Heart Rate Increment in Children and Adolescents With POTS.
Cai H, Wang S, Zou R, Li F, Zhang J, Wang Y, Xu Y, Wang C. Cai H, et al. Front Pediatr. 2021 May 13;9:644461. doi: 10.3389/fped.2021.644461. eCollection 2021. Front Pediatr. 2021. PMID: 34055686 Free PMC article.
Objectives: This study aims to investigate the diurnal variability of heart rate (HR) increment after standing (deltaHR) in pediatric postural tachycardia syndrome (POTS) and explore appropriate cutoff values of deltaHR at different times for th …
Objectives: This study aims to investigate the diurnal variability of heart rate (HR) increment after standing ( …
Comparisons of heart rate variability responses to head-up tilt with and without abdominal and lower-extremity compression in healthy young individuals: a randomized crossover study.
Oyake K, Katai M, Yoneyama A, Ikegawa H, Kani S, Momose K. Oyake K, et al. Front Physiol. 2024 Jan 8;14:1269079. doi: 10.3389/fphys.2023.1269079. eCollection 2023. Front Physiol. 2024. PMID: 38260095 Free PMC article.
Introduction: Abdominal and lower-extremity compression techniques can help reduce orthostatic heart rate increases. However, the effects of body compression on the cardiac autonomic systems, which control heart rate, remain unclear. ...The seco …
Introduction: Abdominal and lower-extremity compression techniques can help reduce orthostatic heart rate increases. Ho …
Hemodynamic profile and heart rate variability in hyperadrenergic versus non-hyperadrenergic postural orthostatic tachycardia syndrome.
Crnošija L, Krbot Skorić M, Adamec I, Lovrić M, Junaković A, Mišmaš A, Miletić V, Šprljan Alfirev R, Pavelić A, Habek M. Crnošija L, et al. Clin Neurophysiol. 2016 Feb;127(2):1639-1644. doi: 10.1016/j.clinph.2015.08.015. Epub 2015 Sep 4. Clin Neurophysiol. 2016. PMID: 26386646
OBJECTIVES: To investigate differences in hemodynamic profile between hyperadrenergic and non-hyperadrenergic postural orthostatic tachycardia syndrome (POTS) in response to head-up tilt test (HUTT). METHODS: Ten patients with hyperadrenergic and 33 patients with no …
OBJECTIVES: To investigate differences in hemodynamic profile between hyperadrenergic and non-hyperadrenergic postural orthostatic …
192 results