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Long- and short-term blood pressure and RR-interval variability and psychosomatic distress in chronic fatigue syndrome

(1998) CLINICAL SCIENCE. 94(1). p.57-63
Author
Organization
Abstract
1. Chronic low blood pressure has been associated with fatigue and low mood, However, in the chronic fatigue syndrome (CFS) the blood pressure (BP) and heart rate profile and their variabilities have not been characterized as yet. 2. We performed office and 24h ambulatory BP recordings in 38 subjects (age, 34.8 +/- 8.0 years) who fulfilled the Holmes criteria for CFS and in 38 healthy control subjects (age 35.6 +/- 10.5 years), as well as short-term beat-to-beat BP and RR-irnterval recordings for 10 min in supine and standing position, and calculated spectral indices. 3. In CFS office (123 +/- 19/70 +/- 12 mmHg) as well as 24-h, day- and night-time blood pressure values (116 +/- 11.1/71 +/- 11.1, 121 +/- 9.2/77 +/- 8.0 and 110 +/- 10.5/65 +/- 9.2 mmHg respectively) were within reference limits. 4. Heart rate was consistently higher (P < 0.01) in CFS patients, based on both office (77 +/- 12 compared with 68 +/- 12 beats min(-1)) and 24 h ambulatory recordings (77 +/- 12 compared with 67 +/- 15 beats min(-1)). 5. In supine position, spectral indices of BP variability (total, low-frequency and high-frequency variances) were all significantly (P < 0.01) lower in CFS, In standing position the differences disappeared, Analysis of RR-interval variability could not detect major alterations in autonomic function in CFS.
Keywords
blood pressure, chronic fatigue syndrome, heart rate variability, power spectral analysis, psychosomatic distress, HEART-RATE-VARIABILITY, AUTONOMIC CHARACTERISTICS, VAGAL TONE, SYNCOPE, HYPERTENSION, DEFINITION, DEPRESSION, POPULATION, SYMPTOMS, DISORDER

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Chicago
Duprez, Daniel, Marc De Buyzere, Benny Drieghe, F Vanhaverbeke, Youri Taes, Walter Michielsen, and Denis Clement. 1998. “Long- and Short-term Blood Pressure and RR-interval Variability and Psychosomatic Distress in Chronic Fatigue Syndrome.” Clinical Science 94 (1): 57–63.
APA
Duprez, Daniel, De Buyzere, M., Drieghe, B., Vanhaverbeke, F., Taes, Y., Michielsen, W., & Clement, D. (1998). Long- and short-term blood pressure and RR-interval variability and psychosomatic distress in chronic fatigue syndrome. CLINICAL SCIENCE, 94(1), 57–63.
Vancouver
1.
Duprez D, De Buyzere M, Drieghe B, Vanhaverbeke F, Taes Y, Michielsen W, et al. Long- and short-term blood pressure and RR-interval variability and psychosomatic distress in chronic fatigue syndrome. CLINICAL SCIENCE. 1998;94(1):57–63.
MLA
Duprez, Daniel, Marc De Buyzere, Benny Drieghe, et al. “Long- and Short-term Blood Pressure and RR-interval Variability and Psychosomatic Distress in Chronic Fatigue Syndrome.” CLINICAL SCIENCE 94.1 (1998): 57–63. Print.
@article{176397,
  abstract     = {1. Chronic low blood pressure has been associated with fatigue and low mood, However, in the chronic fatigue syndrome (CFS) the blood pressure (BP) and heart rate profile and their variabilities have not been characterized as yet. 
2. We performed office and 24h ambulatory BP recordings in 38 subjects (age, 34.8 +/- 8.0 years) who fulfilled the Holmes criteria for CFS and in 38 healthy control subjects (age 35.6 +/- 10.5 years), as well as short-term beat-to-beat BP and RR-irnterval recordings for 10 min in supine and standing position, and calculated spectral indices. 
3. In CFS office (123 +/- 19/70 +/- 12 mmHg) as well as 24-h, day- and night-time blood pressure values (116 +/- 11.1/71 +/- 11.1, 121 +/- 9.2/77 +/- 8.0 and 110 +/- 10.5/65 +/- 9.2 mmHg respectively) were within reference limits. 
4. Heart rate was consistently higher (P < 0.01) in CFS patients, based on both office (77 +/- 12 compared with 68 +/- 12 beats min(-1)) and 24 h ambulatory recordings (77 +/- 12 compared with 67 +/- 15 beats min(-1)). 
5. In supine position, spectral indices of BP variability (total, low-frequency and high-frequency variances) were all significantly (P < 0.01) lower in CFS, In standing position the differences disappeared, Analysis of RR-interval variability could not detect major alterations in autonomic function in CFS.},
  author       = {Duprez, Daniel and De Buyzere, Marc and Drieghe, Benny and Vanhaverbeke, F and Taes, Youri and Michielsen, Walter and Clement, Denis},
  issn         = {0143-5221},
  journal      = {CLINICAL SCIENCE},
  keywords     = {blood pressure,chronic fatigue syndrome,heart rate variability,power spectral analysis,psychosomatic distress,HEART-RATE-VARIABILITY,AUTONOMIC CHARACTERISTICS,VAGAL TONE,SYNCOPE,HYPERTENSION,DEFINITION,DEPRESSION,POPULATION,SYMPTOMS,DISORDER},
  language     = {eng},
  number       = {1},
  pages        = {57--63},
  title        = {Long- and short-term blood pressure and RR-interval variability and psychosomatic distress in chronic fatigue syndrome},
  volume       = {94},
  year         = {1998},
}

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