Cardiorespiratory Capacity of Thai Workers in Different Age and Job Categories.

Yoopat, Pongjan; Toicharoen, Pornkamon; Boontong, Sirada; Glinsukon, Thirayudh; Vanwonterghem, Kamiel; Louhevaara, Veikko

doi:10.2114/jpa.21.121

Cited by 8 publications

(12 citation statements)

References 23 publications

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“…Middle-aged South Asian individuals have been shown to have lower

than their European counterparts [31] . Moreover, the healthy subjects in this study had similar

(22±2 ml/kg/min) to Thai subjects of the same age as had been reported in a previous study (25.9±3.4 ml/kg/min) [32] . In this study BrS patients had lower

than the controls.…”

Section: Discussionsupporting

confidence: 86%

Autonomic and cardio‐respiratory responses to exercise in Brugada Syndrome patients

Chanavirut

Makarawate

Macdonald

et al. 2015

Journal of Arrhythmia

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BackgroundImbalances of the autonomic nervous (ANS), the cardiovascular system, and ionics might contribute to the manifestation of The Brugada Syndrome (BrS). Thus, this study has aimed to investigate the cardio-respiratory fitness and the responses of the ANS both at rest and during a sub-maximal exercise stress test, in BrS patients and in gender-matched and age-matched healthy sedentary controls.MethodsEleven BrS patients and 23 healthy controls were recruited in Khon Kaen, Thailand. They performed an exercise test on a cycle ergometer, and during the exercise, expired gas samples and electrocardiograms were collected. Blood glucose and electrolyte concentrations were analyzed before and after exercise. Then the heart rate variability (HRV) and the heart rate recovery (HRR) were analyzed from the electrocardiograms.ResultsThe BrS patients showed a higher parasympathetic activation during exercise recovery than baseline. They had a smaller level of sympathetic activation during the period of exercise recovery than the controls did. They also showed a significantly lower peak HR, HRR, and peak oxygen consumption than the controls (p<0.05). All subjects had a significantly lower percentage of peak oxygen consumption and respiratory exchange ratio during low-intensity (p<0.01) and moderate-intensity (p<0.05) exercise than during high-intensity exercise. The BrS patients had mild hyperkalemia which is reduced according to the exercise.ConclusionThai BrS patients had a more rapid rate of restoration of the parasympathetic and smaller level of sympathetic activation after exercise. They had mild hyperkalemia which is reduced according to the exercise. Furthermore, they exhibited impaired cardio-respiratory fitness.

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“…Middle-aged South Asian individuals have been shown to have lower

than their European counterparts [31] . Moreover, the healthy subjects in this study had similar

(22±2 ml/kg/min) to Thai subjects of the same age as had been reported in a previous study (25.9±3.4 ml/kg/min) [32] . In this study BrS patients had lower

than the controls.…”

Section: Discussionsupporting

confidence: 86%

Autonomic and cardio‐respiratory responses to exercise in Brugada Syndrome patients

Chanavirut

Makarawate

Macdonald

et al. 2015

Journal of Arrhythmia

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“…Heavy and dynamic physical work is still common in many industrial activities such as mining, building and agriculture [1,2]. In the developed countries, 10-20% of workers are engaged in muscular demanding jobs, while in the developing countries all kinds of intensive work are common [3].…”

Section: Introductionmentioning

confidence: 99%

“…In the developed countries, 10-20% of workers are engaged in muscular demanding jobs, while in the developing countries all kinds of intensive work are common [3]. Unbalanced relationship between physical demands and workers' capacities caused adverse health outcomes [1,4,5]. In physically demanding jobs, the aerobic capacity (V O2 ) of workers determines man's power productivity [6].…”

Section: Introductionmentioning

confidence: 99%

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Estimation of Aerobic Capacity and Determination of Its Associated Factors Among Male Workers of Industrial Sector of Iran

Daneshmandi

Fard

Choobineh

2013

International Journal of Occupational Safety and Ergonomics

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“…In field settings, as well as in occupational medicine, however, the sub-maximal tests are often used [10][11][12][13][14][15][16], as they do not require the expertise and costs associated with maximal exercise testing. Results of these submaximal tests are then used to predict VO 2peak using regression equations (e.g., Astrand test [7]).…”

Section: Introductionmentioning

confidence: 99%

Assessing peak aerobic capacity in Dutch law enforcement officers

Wittink¹,

Takken²,

Groot³

et al. 2015

Int J Occup Med Environ Health

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Objectives: To cross-validate the existing peak rate of oxygen consumption (VO 2peak ) prediction equations in Dutch law enforcement officers and to determine whether these prediction equations can be used to predict VO 2peak for groups and in a single individual. A further objective was to report normative absolute and relative VO 2peak values of a sample of law enforcement officers in the Netherlands. Material and Methods: The peak rate of oxygen consumption (ml×kg -1 ×min -1 ) was measured using a maximal incremental bicycle test in 1530 subjects, including 1068 male and 461 female police officers. Validity of the prediction equations for groups was assessed by comparing predicted VO 2peak with measured VO 2peak using paired t-tests. For individual differences limits of agreement (LoA) were calculated. Equations were considered valid for individuals when the difference between measured and predicted VO 2peak did not exceed ±1 metabolic equivalent (MET) in 95% of individuals. Results: None of the equations met the validity criterion of 95% of individuals having ±1 MET difference or less than the measured value. Limits of agreement (LoAs) were large in all predictions. At the individual level, none of the equations were valid predictors of VO 2peak (ml×kg -1 ×min -1 ). Normative values for Dutch law enforcement officers were presented. Conclusions: Substantial differences between measured and predicted VO 2peak (ml×kg -1 ×min -1 ) were found. Most tested equations were invalid predictors of VO 2peak at group level and all were invalid at individual levels.

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Cardiorespiratory Capacity of Thai Workers in Different Age and Job Categories.

Cited by 8 publications

References 23 publications

Autonomic and cardio‐respiratory responses to exercise in Brugada Syndrome patients

Autonomic and cardio‐respiratory responses to exercise in Brugada Syndrome patients

Estimation of Aerobic Capacity and Determination of Its Associated Factors Among Male Workers of Industrial Sector of Iran

Assessing peak aerobic capacity in Dutch law enforcement officers

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