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Cardiac Autonomic System Response to Submaximal Test in Children With Cerebral Palsy

Amichai, Taly MSc, PT; Eylon, Sharon MD; Dor-Haim, Horesh PhD; Berger, Itai MD; Katz-Leurer, Michal PhD

doi: 10.1097/PEP.0000000000000368
Research Reports

Aim: To describe the heart rate (HR) and heart rate variability at rest, during a submaximal treadmill test and at rest posttreadmill in children with cerebral palsy (CP).

Methods: Twenty children (6-11 years) with CP participated, who had Gross Motor Function Classification System levels I to III. The HR was monitored for 5 minutes seated, during a submaximal treadmill test, and after 5 minutes rest posttreadmill. Outcome variables were HR and the square root of the mean squared differences of successive differences between adjacent heart beats (RMSSD).

Results: HR increased during the last stage of the treadmill test compared with rest. RMSSD was reduced during the last 2 minutes of the treadmill test compared with rest. The HR and RMSSD mean value at the second minute posttest were not significantly different from the pretreadmill rest value.

Interpretation: The cardiac system in children with CP responded to the submaximal testing.

This paper analyzes the changes in heart rate and heart rate variability in children with cerebral palsy during submaximal treadmill exercise.

Sackler Faculty of Medicine (Drs Amichai and Katz-Leurer), Physical Therapy Department, School of Health Professions, Tel-Aviv University, Israel; Alyn Children & Adolescent Rehabilitation Center (Dr Eylon), Jerusalem, Israel; Heart Institute (Dr Dor-Haim), Hadassah-Hebrew University Medical Center, Jerusalem, Israel; and Pediatric Neurology Unit (Dr Berger), Hadassah-Hebrew University Medical Center, Jerusalem, Israel.

Correspondence: Michal Katz-Leurer, PhD, Sackler Faculty of Medicine, Physical Therapy Department, School of Health Professions, Tel-Aviv University, Tel-Aviv 69978, Israel (michalkz@post.tau.ac.il).

This work was undertaken as partial fulfillment for the PhD degree of Taly Amichai, Sackler Faculty of Medicine, Tel Aviv University, Israel.

The authors declare no conflicts of interest.

Copyright © 2017 Wolters Kluwer Health, Inc. and Section on Pediatrics of the American Physical Therapy Association. All rights reserved.