Mild Autonomic Dysfunction in Primary Sjögren's Syndrome
Author Information
Author(s): Cai Fin ZJ, Lester Sue, Lu Tim, Keen Helen, Boundy Karyn, Proudman Susanna M, Tonkin Anne, Rischmueller Maureen
Primary Institution: The Queen Elizabeth Hospital, Australia
Hypothesis
The study aims to compare cardiovascular autonomic nervous system function in patients with primary Sjögren's syndrome (pSS) with that in control individuals.
Conclusion
The study found evidence of mild autonomic dysfunction in pSS patients, as indicated by both cardiovascular reflex testing and self-reported symptoms.
Supporting Evidence
- Patients with pSS showed decreased heart rate variability and increased heart rate.
- Self-reported symptoms of autonomic dysfunction were significantly higher in pSS patients compared to controls.
- Autonomic dysfunction in pSS was associated with fatigue and reduced salivary flow.
Takeaway
This study shows that people with a condition called primary Sjögren's syndrome have some problems with their body's automatic functions, like heart rate and blood pressure, especially when they change positions.
Methodology
The study involved 27 female patients with pSS and 25 control individuals who completed autonomic symptom questionnaires and underwent cardiovascular reflex tests.
Potential Biases
Potential bias due to the exclusion of participants with certain medical conditions and medications.
Limitations
The study only included female participants and may not generalize to male patients.
Participant Demographics
All participants were female, with an average age of 60 years for both pSS patients and control individuals.
Statistical Information
P-Value
0.0002
Confidence Interval
95% CI for COMPASS scores: pSS patients (28.2 to 41.3), Control individuals (9.8 to 23.8)
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
Want to read the original?
Access the complete publication on the publisher's website