Assessing Respiratory and Hemodynamic Parameters

VC (in ml; high precision digital electronic spirometer, Donghuateng Sports Apparatus Ltd, Beijing, CN) and hemoglobin concentration [Hb] (in mg per l; HemoCue Hb 201; HemoCue AB, Angelholm, Sweden) were diagnosed by medical personnel of the Shanghai University of Sport. The typical error for the expiratory VC measurement is 1.7% [46 (link)]. Arterialized blood samples were taken from a hyperemized earlobe to determine the [Hb]. [Hb] was assessed photometrically (HemoCue® HB201+, HemoCue AB, Sweden). The typical error for [Hb] measurement with this device is as accurate as CV < 1.0% (limits of agreement –1.28 to 0.20 gr/dL; [47 (link)]). The HR at rest was recorded in all five periodical measurements for 2 min immediately after awakening in the morning by positioning an H7 Bluetooth HR strap (Polar Electro, Kempele, Finland) on the chest.

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Zhao K., Hohmann A., Faber I., Chang Y, & Gao B. (2020). A 2-year longitudinal follow-up of performance characteristics in Chinese male elite youth athletes from swimming and racket sports. PLoS ONE, 15(10), e0239155.

Publication 2020

HemoCue Hb 201

Blood Chest Device Expiratory Medical personnel Spirometer

Corresponding Organization : Carl von Ossietzky Universität Oldenburg

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Variable analysis

independent variables

Not explicitly mentioned

dependent variables

Expiratory VC (in ml)
Hemoglobin concentration [Hb] (in mg per l)
Heart rate (HR) at rest

control variables

High precision digital electronic spirometer (Donghuateng Sports Apparatus Ltd, Beijing, CN) for VC measurement
HemoCue Hb 201 (HemoCue AB, Angelholm, Sweden) for [Hb] measurement
Arterialized blood samples taken from a hyperemized earlobe to determine the [Hb]
HemoCue® HB201+ (HemoCue AB, Sweden) for photometric assessment of [Hb]
H7 Bluetooth HR strap (Polar Electro, Kempele, Finland) for HR at rest measurement
Measurements performed by medical personnel of the Shanghai University of Sport

positive controls

Not specified

negative controls

Not specified

Annotations

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