Heart Rate Variability at Rest Predicts Heart Response to Simulated Diving

Malinowski, Krzysztof; Wierzba, Tomasz H.; Neary, J. Patrick; Winklewski, Paweł J.; Wszędybył-Winklewska, Magdalena

doi:10.3390/biology12010125

Cited by 3 publications

(2 citation statements)

References 24 publications

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“…These results support our earlier work, in which we showed the close relationship between the cardiac response to cold-water face immersion and the intracardiac influences of the ANS using HRV analysis [ 21 ]. There was a significant correlation between the cardiac response to the face-immersion test (expressed as minimum and maximum HR during the immersion) and HRV, expressed by time and frequency domain determinants at rest.…”

Section: Discussionsupporting

confidence: 92%

Resting Heart Rate Affects Heart Response to Cold-Water Face Immersion Associated with Apnea

Malinowski

Wierzba

Neary

et al. 2023

Biology

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The regular cardiac response to immersion of the face in cold water is reduction in heart rate (HR). The highly individualized and unpredictable course of the cardiodepressive response prompted us to investigate the relationship between the cardiac response to face immersion and the resting HR. The research was conducted with 65 healthy volunteers (37 women and 28 men) with an average age of 21.13 years (20–27 years) and a BMI of 21.49 kg/m2 (16.60–28.98). The face-immersion test consisted of stopping breathing after maximum inhaling and voluntarily immersing the face in cold water (8–10 °C) for as long as possible. Measurements included determination of minimum, average, and maximum HR at rest and minimum and maximum HR during the cold-water face-immersion test. The results indicate a strong relationship between the cardiodepressive reaction of the immersion of the face and the minimum HR before the test, as well as a relationship between the maximum HR during the test and the maximum HR at rest. The results also indicate a strong influence of neurogenic HR regulation on the described relationships. The parameters of the basal HR can, therefore, be used as prognostic indicators of the course of the cardiac response of the immersion test.

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Section: Discussionsupporting

confidence: 92%

Resting Heart Rate Affects Heart Response to Cold-Water Face Immersion Associated with Apnea

Malinowski

Wierzba

Neary

et al. 2023

Biology

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“…However, the SNS/PNS relation seems to be more like the yin-yang principle where the interrelation of opposites is essential, and the SNS and PNS are indispensable to each other [50,51]. Examples of SNS/PNS co-activation include: peripheral chemoreflex (PChR) [50], trigemino-cardiac reflexes (TCRs) [52,53], panic disorder [54], emotional sadness [55], and visceral pain [56], to name but a few.…”

Section: Discussionmentioning

confidence: 99%

Effect of series of periodic limb movements in sleep on blood pressure, heart rate and high frequency heart rate variability

Malkiewicz,

Grzywinska,

Malinowski

et al. 2024

Neurol Neurochir Pol.

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Introduction. The phenomenon known as periodic limb movements in sleep (PLMS) has been linked to a change in autonomic nervous system (ANS) activity and its effect on circulatory regulation. Autonomic dysfunction or dysregulation in patients with PLMS has been described in some domains; however, any relationship between heart rate variability (HRV) and PLMS has not been clearly established. HRV analysis is a recognised, non-invasive research method that describes the influence of the ANS on heart rate (HR). The aim of our study was to further investigate the dysregulation of autonomic HR control in patients with PLMS. Material and methods.We undertook a retrospective analysis of the polysomnographic (PSG), demographic and medical data of five patients with a total number of 1,348 PLMS. We analysed HR, HRV HF, systolic blood pressure (SBP), and diastolic blood pressure (DBP) for 10 heartbeats before the series of PLMS and 10 consecutive heartbeats as beat-to-beat measurements. The presented method of using successive, short, 10 RR interval segments refers to the time-frequency measurement, which is very clear and useful for presenting changes in the calculated parameters over time and thereby illustrating their dynamics. This method allowed us to assess dynamic changes in HRV HF during successive PLMS series. Statistical analysis was performed using IBM SPSS Statistics (v. 28.0.0.0). The Kruskal-Wallis test was performed to find statistically significant changes from baseline. Results. No statistically significant changes in HR, SBP, or DBP were found in our group, although an increase in the value of the HRV HF was noted, suggesting an increase in intracardiac parasympathetic activity during the subsequent series of PLMS. Conclusions.Our study indicates an increase in parasympathetic activity during the appearance of successive PLMS, which, with the simultaneous lack of changes in HR, may suggest an increase in sympathetic activity, and therefore the appearance of so-called 'autonomic co-activation' resulting in the possibility of life-threatening cardiac events. Clinical implications. Our findings add to the literature information regarding HRV in PLMS, and highlight the need for further studies to elucidate the effects of these conditions on the ANS, and on cardiovascular health.

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Heart Rate Variability and Interoception in Periodic Limb Movements in Sleep: Interference with Psychiatric Disorders?

Małkiewicz,

Malinowski,

Grzywińska

et al. 2024

JCM

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Periodic limb movements in sleep (PLMS) are a prevalent disorder characterized by rhythmic, involuntary movements of the lower limbs, such as dorsiflexion of the ankle and extension of the big toe, occurring in periodic intervals during sleep. These movements are often linked to disrupted autonomic nervous system (ANS) activity and altered interoception. Interoception involves perceiving internal bodily states, like heartbeat, breathing, hunger, and temperature, and plays a crucial role in maintaining homeostasis and the mind–body connection. This review explores the complex relationships between PLMS, heart rate variability (HRV), ANS dysregulation, and their impact on psychiatric disorders. By synthesizing the existing literature, it provides insights into how ANS dysregulation and altered interoceptive processes, alongside PLMS, contribute to psychiatric conditions. The review highlights the potential for integrated diagnostic and therapeutic approaches and presents a cause-and-effect model illustrating the mutual influence of psychiatric disorders, ANS dysregulation, PLMS, and interoception.

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Heart Rate Variability at Rest Predicts Heart Response to Simulated Diving

Cited by 3 publications

References 24 publications

Resting Heart Rate Affects Heart Response to Cold-Water Face Immersion Associated with Apnea

Resting Heart Rate Affects Heart Response to Cold-Water Face Immersion Associated with Apnea

Effect of series of periodic limb movements in sleep on blood pressure, heart rate and high frequency heart rate variability

Heart Rate Variability and Interoception in Periodic Limb Movements in Sleep: Interference with Psychiatric Disorders?

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