Journals / Journal of Neurological Sciences (Turkish) / 2009 / Cilt: 26 - Sayı: 3

Multipl skleroz hastalarında kalp hızı değişkenliği

Heart rate variability in patients with multiple sclerosis

Pages
271–278
Publication Date
2022-10-19
DOI
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AI Summary & Key Takeaways

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⚡ TL;DR(Too Long; Didn't Read)

HRV was evaluated by frequency-domain spectral analysis method; total power (TP), low frequency (LF) power, high frequency (HF) power, very low frequency (VLF) power in absolute values and in normalized units (n.u.) and the ratio of LF to HF was used.Results: The patients had lower TP, VLF, LF, HF and HF n.u. and higher LF n.u. and the ratio of LF to HF reflecting overall decreased HRV accompanied by sympathetic overactivity and parasympathetic hypoactivity.

📌 3 Key Takeaways

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Objective & Hypothesis:Objective: The aims of the present study were to compare heart rate variability (HRV) parameters of patients with multiple sclerosis (MS) and healthy controls and to investigate the correlations between HRV parameters and disease duration, subtype and severity.Methods: Thirty-two patients with MS [18 with relapsing-remitting MS (RRMS), 4 with primary progressive MS (PPMS) and 10 with secondary progressive MS (SPMS)] and 32 healthy, age-and sex-matched volunteers were included.
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Key Findings & Data:HRV was evaluated by frequency-domain spectral analysis method; total power (TP), low frequency (LF) power, high frequency (HF) power, very low frequency (VLF) power in absolute values and in normalized units (n.u.) and the ratio of LF to HF was used.Results: The patients had lower TP, VLF, LF, HF and HF n.u. and higher LF n.u. and the ratio of LF to HF reflecting overall decreased HRV accompanied by sympathetic overactivity and parasympathetic hypoactivity.
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Conclusion & Impact:Disease duration, rather than severity seems to be associated with increased sympathetic activity.
🔬Design:Research Article
📍Scope:Comprehensive Sample
⚙️Variables:Domain Parameters

Abstract

Objective: The aims of the present study were to compare heart rate variability (HRV) parameters of patients with multiple sclerosis (MS) and healthy controls and to investigate the correlations between HRV parameters and disease duration, subtype and severity.Methods: Thirty-two patients with MS [18 with relapsing-remitting MS (RRMS), 4 with primary progressive MS (PPMS) and 10 with secondary progressive MS (SPMS)] and 32 healthy, age-and sex-matched volunteers were included. HRV was evaluated by frequency-domain spectral analysis method; total power (TP), low frequency (LF) power, high frequency (HF) power, very low frequency (VLF) power in absolute values and in normalized units (n.u.) and the ratio of LF to HF was used.Results: The patients had lower TP, VLF, LF, HF and HF n.u. and higher LF n.u. and the ratio of LF to HF reflecting overall decreased HRV accompanied by sympathetic overactivity and parasympathetic hypoactivity. There was no association between EDSS score and HRV parameters; however, we found a positive correlation between disease duration and LF n.u. We did not find significant differences between the patients with RRMS and the patients with SPMS regarding cardiac autonomic activity. Although TP, LF power, HF power and VLF power of the patients with PPMS were lower than of the patients with RRMS and the patients with SPMS, no statistical analysis could be made for this group due to inadequate number of the patients in this group.Interpretation: Patients with MS have higher sympathetic and lower parasympathetic regulation activity of heart rate. Disease duration, rather than severity seems to be associated with increased sympathetic activity.

Özet

Amaç: Bu çalışmanın amacı multipl skleroz (MS) hastalarında kalp hızı değişkenliğini (KHD) sağlıklı kontrollerle karşılaştırmak ve KHD parametreleri ile hastalık süresi, alt tipi ve şiddeti arasındaki korelasyonları araştırmaktı.Yöntem: 32 MS hastası [18 relaps-remisyonlarla giden (RRMS), 4 primer progresif (PPMS) ve 10 sekonder progresif (SPMS)] ve yaş ve cinsiyete göre eşleştirilmiş 32 sağlıklı gönüllü çalışmaya dahil edildi. KHD frekans tabanlı spektral analiz yöntemi ile araştırıldı, toplam güç (TP), düşük frekanslı güç (LF), yüksek frekanslı güç (HF), çok düşük frekanslı güç (VLF), mutlak değerleri ve normalize üniteler (n.u.) olarak alındı ve LF/HF oranı hesaplandı.Sonuçlar: Hasta grubunda, toplamda azalmış KHD ve sempatik aşırı aktivite ve parasempatik azalmış aktiviteyi yansıtır biçimde TP, VLF, LF, HF ve HF n.u. değerleri daha düşük ve LF n.u. ve LF/HF oranı daha yüksekti. EDSS skoru ile KHD parametreleri arasında ilişki yoktu, bununla birlikte hastalık süresi ve LF n.u. arasında pozitif bir korelasyon saptandı. KHD açısından RRMS ve SPMS hastaları arasında anlamlı farklılık saptanmadı. PPMS hastalarında TP, VLF, LF ve HF değerlerinin daha düşük olmasına karşın, bu grupta istatistiksel analiz yapılamadı.Yorum: MS hastalarında kalp hızı değişkenliği için sempatik aktivitede artma ve parasempatik aktivitede azalma mevcuttur. Artmış sempatik aktivite hastalık şiddeti değil süresi ile ilişkili görünmektedir.

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Cite This Article

BOLAYIR, E., YILDIZ, Ö. K., TOPAKTAŞ, S., BEKTAŞLI, F., SEGMEN, H. (2022). Multipl skleroz hastalarında kalp hızı değişkenliği. Journal of Neurological Sciences (Turkish), Cilt: 26 - Sayı: 3, 271–278. https://ajindex.com/articles/565496

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References (1)

  1. Acevedo AR, Nava C, Arriada N, Violante A, Corona T (2000) Cardiovascular dysfunction in multiple sclerosis. Acta Neurol Scand 101:85-88 2) Anema JR, Heijenbrok MW, Faes TJ, Heimans JJ, Lanting P, Polman CH (1991) Cardiovascular autonomic function in multiple sclerosis. J Neurol Sci 104:129–134 3) Chelmicka-Schorr E, Arnason BG (1994) Nervous system-immune system interactions and their role in multiple sclerosis. Ann Neurol 36 Suppl:S29–S32 4) Chelmicka-Schorr E, Checinski M, Arnason BG (1988) Chemical sympathectomy augments the severity of experimental allergic encephalomyelitis. J Neuroimmunol 17:347-350 5) DasGupta R, Fowler CJ (2002) Sexual and urological dysfunction in multiple sclerosis: better understanding and improved therapies. Curr Opin Neurol 15:271-278 6) De Boer RW, Karemaker JM, Strackee J (1984) Comparing spectra of a series of point events, particularly for heart rate variability spectra. IEEE Trans Biomed Eng 31:384–387 7) Flachenecker P, Reiners K, Krauser M, Wolf A, Toyka KV (2001) Autonomic dysfunction in multiple sclerosis is related to disease activity and progression of disability. Mult Scler 7:327-334 8) Flachenecker P, Wolf A, Krauser M, Hartung HP, Reiners K (1999) Cardiovascular autonomic dysfunction in multiple sclerosis: correlation with orthostatic intolerance. J Neurol 246:578–586 9) Gunal DI, Afsar N, Tanridag T, Aktan S (2002) Autonomic dysfunction in multiple sclerosis: correlation with disease-related parameters. Eur Neurol 48:1-5 10) Haensch CA, Jörg J. Autonomic dysfunction in multiple sclerosis (2006) J Neurol 253 Suppl 1: I3–I9. 11) Kurtzke JF (1983) Rating neurologic impairment in multiple sclerosis: an expanded disability status scale (EDSS). Neurology 33:1444-1452 12) Labuz-Roszak B, Pierzchala K (2007) Difficulties in the diagnosis of autonomic dysfunction in multiple sclerosis Clin Auton Res 17:375–377 13) Mahovic D, Lakusic N (2007) Progressive impairment of autonomic control of heart rate in patients with multiple sclerosis. Arch Med Res 38:322-325 14) Malik M, Bigger JT, Camm AJ, Kleiger RE, Malliani A, Moss AJ, Schwartz PJ (1996) Heart rate variability: Standards of measurement, physiological interpretation, and clinical use. Eur Heart J 17:354-381 15) Malliani A, Pagani M, Lombardi F, Cerutti S (1991) Cardiovascular neural regulation explored in the frequency domain. Circulation 84:482-492 16) McDonald WI, Compston A, Edan G, Goodkin D, Hartung HP, Lublin FD, McFarland HF, Paty DW, Polman CH, Reingold SC