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Clinical presentation and management of patients with hyperadrenergic postural orthostatic tachycardia syndrome. A single center experience.
MedLine Citation:
PMID:  21947988     Owner:  NLM     Status:  In-Data-Review    
Abstract/OtherAbstract:
Background: We present our single center experience of 27 patients of hyperadrenergic postural orthostatic tachycardia syndrome (POTS). Methods: In a retrospective analysis, we reviewed the charts of 300 POTS patients being followed at our autonomic center from 2003 to 2010, and found 27 patients eligible for inclusion in this study. POTS was defined as symptoms of orthostatic intolerance (of greater than six months' duration) accompanied by a heart rate increase of at least 30 bpm (or a rate that exceeds 120 bpm) that occurs in the first 10 min of upright posture or head up tilt test (HUTT) occurring in the absence of other chronic debilitating disorders. Patients were diagnosed as having the hyperadrenergic form based on an increase in their systolic blood pressure of ≥ 10 mm Hg during the HUTT (2) with concomitant tachycardia or their serum catecholamine levels (serum norepinephnrine level ≥ 600 pg/mL) upon standing. Results: Twenty seven patients, aged 39 ± 11 years, 24, (89%) of them female and 22 (82%) Caucasian were included in this study. Most of these patients were refractory to most of the first and second line treatments, and all were on multiple combinations of medications. Conclusions: Hyperadrenergic POTS should be identified and differentiated from neuropathic POTS. These patients are usually difficult to treat and there are no standardized treatment protocols known at this time for patients with hyperadrenergic POTS. (Cardiol J 2011; 18, 5: 527-531).
Authors:
Khalil Kanjwal; Bilal Saeed; Beverly Karabin; Yousuf Kanjwal; Blair P Grubb
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Cardiology journal     Volume:  18     ISSN:  1897-5593     ISO Abbreviation:  Cardiol J     Publication Date:  2011  
Date Detail:
Created Date:  2011-09-28     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101392712     Medline TA:  Cardiol J     Country:  Poland    
Other Details:
Languages:  eng     Pagination:  527-31     Citation Subset:  IM    
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