دورية أكاديمية
أعرض في EDS

Effect of a lactate-guided conditioning program on heart rate variability obtained using 24-Holter electrocardiography in Beagle dogs.

التفاصيل البيبلوغرافية
العنوان: Effect of a lactate-guided conditioning program on heart rate variability obtained using 24-Holter electrocardiography in Beagle dogs.
المؤلفون: Restan AZ; Department of Animal Morphology and Physiology, Laboratory of Pharmacology and Equine Exercise Physiology (LAFEQ), School of Agricultural and Veterinarian Sciences (FCAV), São Paulo State University (UNESP), Jaboticabal, SP, Brazil., Camacho AA; Department of Veterinary Medicine and Surgery, School of Agricultural and Veterinarian Sciences College of Agriculture and Veterinary Sciences (FCAV), São Paulo State University Universidade Estadual Paulista (UNESP), Jaboticabal, SP, Brazil., Cerqueira JA; Department of Animal Morphology and Physiology, Laboratory of Pharmacology and Equine Exercise Physiology (LAFEQ), School of Agricultural and Veterinarian Sciences (FCAV), São Paulo State University (UNESP), Jaboticabal, SP, Brazil., Zacché E; Department of Veterinary Medicine and Surgery, School of Agricultural and Veterinarian Sciences College of Agriculture and Veterinary Sciences (FCAV), São Paulo State University Universidade Estadual Paulista (UNESP), Jaboticabal, SP, Brazil., Kirnew MD; Department of Veterinary Medicine and Surgery, School of Agricultural and Veterinarian Sciences College of Agriculture and Veterinary Sciences (FCAV), São Paulo State University Universidade Estadual Paulista (UNESP), Jaboticabal, SP, Brazil., Loureiro BA; Centro de Ciências Agrárias, Department of Animal Science, Universidade Federal da Paraíba, Centro de Ciências Agrárias, Areia, Paraiba, Brazil., Silva SB; Department of Animal Morphology and Physiology, Laboratory of Pharmacology and Equine Exercise Physiology (LAFEQ), School of Agricultural and Veterinarian Sciences (FCAV), São Paulo State University (UNESP), Jaboticabal, SP, Brazil., Moranza HG; Department of Animal Morphology and Physiology, Laboratory of Pharmacology and Equine Exercise Physiology (LAFEQ), School of Agricultural and Veterinarian Sciences (FCAV), São Paulo State University (UNESP), Jaboticabal, SP, Brazil., Ferraz GC; Department of Animal Morphology and Physiology, Laboratory of Pharmacology and Equine Exercise Physiology (LAFEQ), School of Agricultural and Veterinarian Sciences (FCAV), São Paulo State University (UNESP), Jaboticabal, SP, Brazil.
المصدر: PloS one [PLoS One] 2020 Jun 01; Vol. 15 (6), pp. e0233264. Date of Electronic Publication: 2020 Jun 01 (Print Publication: 2020).
نوع المنشور: Journal Article; Research Support, Non-U.S. Gov't
اللغة: English
بيانات الدورية: Publisher: Public Library of Science Country of Publication: United States NLM ID: 101285081 Publication Model: eCollection Cited Medium: Internet ISSN: 1932-6203 (Electronic) Linking ISSN: 19326203 NLM ISO Abbreviation: PLoS One Subsets: MEDLINE
أسماء مطبوعة: Original Publication: San Francisco, CA : Public Library of Science
مواضيع طبية MeSH: Heart Rate/*physiology , Lactic Acid/*metabolism , Physical Conditioning, Animal/*methods, Animals ; Autonomic Nervous System/physiology ; Dogs ; Electrocardiography, Ambulatory/methods ; Electrocardiography, Ambulatory/veterinary ; Endurance Training/methods ; Exercise Test ; Female ; Heart/physiology ; Male ; Physical Endurance/physiology ; Vagus Nerve/physiology
مستخلص: The dogs' responses to training exercise are seldom monitored using physiological variables, and cardiac autonomic regulation (CAR) is a relevant determinant of endurance-training adaptation. There are studies in the literature establishing that regular exercise could interfere with CAR in dogs, measured by heart rate and vagal-derived indexes of heart-rate-variability (HRV). However, few studies were found using a prescribed training program based on the lactate threshold (LT) to determine HRV by a 24-h Holter analysis. The purpose of this study was to test whether an endurance-training program (ETP) guided individually by LT raises time-domain measures of HRV in healthy Beagle dogs. Twenty dogs were assigned to two groups: control (C) and trained (T). The dogs from group T underwent an incremental exercise test (IET) to determine their LT. Both LT and velocity corresponding to the LT (VLT) was determined by visual inspection. T group performed an eight-week endurance-training program consisting of treadmill runs set to 70-80% of the VLT. Next, dogs from the group T have submitted to IET again. The maximal velocities (Vmax) at which achieved by the trained dogs in both IETs were determined. The group S did not undergo IETs or ETP. HRV was determined by the 24-hour-Holter at rest, before and on the 2°, 4°, 6° and 8° training weeks. To examine the HR impact on HRV, standard HRV variables were normalized to prevailing HR. VLT and Vmax rose in group T, indicating an improvement of dogs' aerobic and anaerobic capacity. The normalized standard HRV indexes were relatively attenuated since these variables had a reduction in the degree of correlation concerning an average HR. The ETP resulted in decreased resting heart rate and increased time-domain indices, highlighting the log-transformed square root of the mean sum of the squared differences between R-R intervals (Ln rMSSD). The lactate-guided endurance-training program could lead to better parasympathetic cardiac modulation in Beagle dogs.
Competing Interests: The authors have declared that no competing interests exist.
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المشرفين على المادة: 33X04XA5AT (Lactic Acid)
تواريخ الأحداث: Date Created: 20200602 Date Completed: 20200817 Latest Revision: 20200817
رمز التحديث: 20221213
مُعرف محوري في PubMed: PMC7263627
DOI: 10.1371/journal.pone.0233264
PMID: 32479554
قاعدة البيانات: MEDLINE
الوصف
تدمد:1932-6203
DOI:10.1371/journal.pone.0233264