Cardiac autonomic function in patients with early multiple sclerosis
| Autor: | Monika Sivakova, Miroslav Vlcek, Gilbert Hangel, Peter Turcani, Pavel Siarnik, Adela Penesova, Tomas Sokolov, Wolfgang Bogner, Zofia Radikova, Andrea Havranova, Richard Imrich, Bernhard Strasser, Branislav Kollár, Eva Heckova |
|---|---|
| Rok vydání: | 2021 |
| Předmět: |
medicine.medical_specialty
Cardiac output Endocrine and Autonomic Systems business.industry Multiple sclerosis medicine.medical_treatment Dysautonomia Stroke volume 030204 cardiovascular system & hematology Baroreflex medicine.disease 03 medical and health sciences 0302 clinical medicine Blood pressure Internal medicine Heart rate Valsalva maneuver Cardiology Medicine Neurology (clinical) medicine.symptom business 030217 neurology & neurosurgery |
| Zdroj: | Clinical Autonomic Research. 31:553-562 |
| ISSN: | 1619-1560 0959-9851 |
| DOI: | 10.1007/s10286-021-00790-w |
| Popis: | Cardiac autonomic dysfunction has been reported in patients with long-standing multiple sclerosis (MS); however, data in early disease are limited. The present study was aimed at evaluating cardiac autonomic function in patients with early MS in the context of white matter metabolic status, which could potentially affect functions of the autonomic brain centers. Cardiac sympathetic and baroreflex cardiovagal responses to the Valsalva maneuver, orthostatic test, and the Stroop test were evaluated in 16 early, treatment-naive patients with relapsing–remitting MS, and in 14 healthy participants. Proton magnetic resonance spectroscopic imaging (MRSI) of the brain was performed in eight of these MS patients and in eight controls. Valsalva maneuver outcomes were comparable between patients and controls. At baseline, norepinephrine levels were lower (p = 0.027) in MS patients compared to controls. The patients had higher heart rate (p = 0.034) and lower stroke volume (p = 0.008), but similar blood pressure, cardiac output and norepinephrine increments from baseline to 2 min of the orthostatic test compared to controls. MS patients and controls did not differ in responses to the Stroop test. MRSI showed lower total N-acetylaspartate/total creatine (p = 0.038) and higher myo-inositol/total creatine (p = 0.013) in MS lesions compared to non-lesional white matter. Our results show normal cardiac sympathetic and baroreflex cardiovagal function in MS patients with relapsing–remitting MS with lesions at the post-acute/early resolving stage. The study was registered at ClinicalTrials.gov under the Identifier: NCT 03052595 and complies with the STROBE checklist for cohort, case–control, and cross-sectional studies. |
| Databáze: | OpenAIRE |
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