scholarly journals Autonomic imbalance assessed by time-domain heart rate variability indices in primary Raynaud's phenomenon : cardiovascular topics

2015 ◽  
Vol 26 (6) ◽  
pp. 214-216
Author(s):  
K Karabacak ◽  
M Celik ◽  
E Kaya ◽  
M Kadan ◽  
G Arslan ◽  
...  
Keyword(s):  
Heart Rate ◽  
Heart Rate Variability ◽  
Time Domain ◽  
Raynaud’S Phenomenon ◽  
Raynaud's Phenomenon ◽  
Autonomic Imbalance ◽  
Primary Raynaud’S Phenomenon

Autonomic nervous system dysfunction in sclerodermic and primary Raynaud's phenomenon

1999 ◽  
Vol 96 (1) ◽  
pp. 49-57
Author(s):  
Paolo PANCERA ◽  
Stefano SANSONE ◽  
Barbara PRESCIUTTINI ◽  
Luciano MONTAGNA ◽  
Silvia CERÙ ◽  
...  
Keyword(s):  
Heart Rate ◽  
Heart Rate Variability ◽  
Systemic Sclerosis ◽  
High Frequency ◽  
Raynaud’S Phenomenon ◽  
Low Frequency ◽  
Raynaud's Phenomenon ◽  
High Frequency Power ◽  
Primary Raynaud’S Phenomenon ◽  
Frequency Power

Our aim was to investigate the sympathetic hyperactivity of systemic sclerosis that may lead to greater morbidity and mortality from cardiovascular events. We analysed the sympathetic (low-frequency) and vagal (high-frequency) components of heart rate variability, in supine and upright positions, in 10 patients with systemic sclerosis, 12 patients with primary Raynaud's phenomenon and 14 controls. We also analysed lung function in order to evaluate a possible link between heart rate variability and ventilation parameters. Heart rate variability was reduced in the supine position in subjects with systemic sclerosis both in comparison with primary Raynaud's phenomenon (total power: 1103±156 versus 3302±486 ;ms2, P< 0.004) and control subjects (3148±422 ;ms2, P< 0.002). Low-frequency power was higher in patients with systemic sclerosis than in the controls (54.5±4.5 versus 42.5±3.5 normalized units, P< 0.01). During tilt, the change in heart rate was +44% in controls, +24% in subjects with primary Raynaud's phenomenon, and only +17% in the patients with systemic sclerosis (P< 0.01 versus controls). In patients with systemic sclerosis we found a significant correlation between high-frequency power and the indices of lung function (residual volume: r2 = 0.5143, P< 0.01; total lung capacity: r2 = 0.5142, P< 0.01, vital capacity: r2 = 0.3789, P< 0.05). Heart rate variability was reduced and sympathetic output increased in patients with systemic sclerosis. Subjects with primary Raynaud's phenomenon were characterized by normal heart rate variability and by some degree of sympathetic hyperactivity. During tilting, subjects with systemic sclerosis maintained an unmodified heart rate variability, thus suggesting an impaired baroceptor modulation of the autonomic control. The negative correlation between high-frequency power and indices of respiratory insufficiency in patients with systemic sclerosis suggests that the pulmonary structure plays an important role in the modulation of heart rate variability.

OP-085 HEART RATE VARIABILITY IN RAYNAUD'S PHENOMENON

2013 ◽  
Vol 163 (3) ◽  
pp. S34
Author(s):  
K. Karabacak ◽  
G. Genç ◽  
E. Tunc ◽  
K. Atılgan ◽  
E. Kaya ◽  
...  
Keyword(s):  
Heart Rate ◽  
Heart Rate Variability ◽  
Raynaud’S Phenomenon ◽  
Raynaud's Phenomenon

scholarly journals Vasodilators for primary Raynaud's phenomenon

2021 ◽  
Author(s):  
Kevin YC Su ◽  
Meghna Sharma ◽  
Hyunjun Jonathan Kim ◽  
Elizabeth Kaganov ◽  
Ian Hughes ◽  
...  
Keyword(s):  
Raynaud’S Phenomenon ◽  
Raynaud's Phenomenon ◽  
Primary Raynaud’S Phenomenon

Primary Raynaud’s phenomenon and nailfold videocapillaroscopy: age-related changes in capillary morphology

2016 ◽  
Vol 36 (7) ◽  
pp. 1637-1642 ◽  
Author(s):  
Carmen Pizzorni ◽  
Alberto Sulli ◽  
Vanessa Smith ◽  
Barbara Ruaro ◽  
Amelia Chiara Trombetta ◽  
...  
Keyword(s):  
Raynaud’S Phenomenon ◽  
Raynaud's Phenomenon ◽  
Nailfold Videocapillaroscopy ◽  
Age Related ◽  
Primary Raynaud’S Phenomenon ◽  
Age Related Changes

scholarly journals Heart rate variability: Analysis of time-domain indices in patients with chronic Chagas disease before and after an exercise program

2013 ◽  
Vol 32 (3) ◽  
pp. 219-227 ◽  
Author(s):  
Marcus Vinicius Amaral da Silva Souza ◽  
Carla Cristiane Santos Soares ◽  
Juliana Rega de Oliveira ◽  
Cláudia Rosa de Oliveira ◽  
Paloma Hargreaves Fialho ◽  
...  
Keyword(s):  
Heart Rate ◽  
Heart Rate Variability ◽  
Chagas Disease ◽  
Time Domain ◽  
Exercise Program ◽  
Heart Rate Variability Analysis ◽  
Variability Analysis ◽  
Before And After ◽  
Chronic Chagas Disease
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