Addressing assumptions for the use of non-invasive cardiac output measurement techniques during exercise in COPD

H Perrault, R Richard, S Kapchinsky… - … of Chronic Obstructive …, 2016 - Taylor & Francis
… rebreathing approaches and bioimpedance were compared to … not obtained at near-maximum
intensities but during low and … assessment or follow-up depends on the accuracy of the …

Measurement of cardiac output

KD Alexopoulos, S Magder, G Samoukovic - … Basic Physiology, Tools, and …, 2021 - Springer
… volume and their relation to CO: thoracic bioimpedance and … be more accurate in patients
with a low cardiac output state … and experience to properly identify the maximum beam. Even …

Chest movement and respiratory volume both contribute to thoracic bioimpedance during loaded breathing

D Blanco-Almazán, W Groenendaal, F Catthoor… - Scientific reports, 2019 - nature.com
… as asthma or chronic obstructive pulmonary disease 1 . Spirometry … abnormal breathing like
maximal respiratory maneuvers and … They found better accuracy in nonlinear calibration with …

Non-invasive monitoring of cardiac output in critical care medicine

LS Nguyen, P Squara - Frontiers in medicine, 2017 - frontiersin.org
At baseline (Z o ) is the ratio of maximum values of V and I (V … , the lesser bioimpedance
would be accurate because of an … total body impedance is less accurate than localized thoracic

Comparison of bioreactance non-invasive cardiac output measurements with cardiac magnetic resonance imaging

F Trinkmann, C Schneider, JD Michels… - Anaesthesia and …, 2016 - journals.sagepub.com
… Our aim was to assess the accuracy and reproducibility of BR, as … The maximum flow (dΦ/dtmax)
is measured by the maximum … of measurements of cardiac output by bioimpedance and …

Assessing Pulmonary Function Parameters Non-invasively by Electrical Bioimpedance Tomography

FM Vargas-Luna, MI Delgadillo-Cano… - Journal of Medical and …, 2024 - Springer
… 16 electrodes placed around the thorax at the level of the sixth … The maximum correlation
coefficient related with DL CO and DL … with a major accuracy the limitation to lung airflow. …

Heart failure impairs muscle blood flow and endurance exercise tolerance in COPD

MF Oliveira, FF Arbex, MC Alencar… - … of Chronic Obstructive …, 2016 - Taylor & Francis
… index was calculated as the maximal change in ICG divided … unable to properly test the
hypothesis that impaired cardiac … underestimated differences in cardiac output between these …

… in bronchiectasis: comparison between bioelectrical impedance analysis, skinfold thickness measurement, and dual-energy X-ray absorptiometry before and after …

E Doña, C Olveira, FJ Palenque, N Porras… - … of Nutrition and …, 2018 - Elsevier
… It is important to assess body composition with a precise … in patients with chronic respiratory
diseases such as COPD, CF, … structural damage, with the maximum score being 25 points, …

Haemodynamic compensations for exercise tissue oxygenation in early stages of COPD: an integrated cardiorespiratory assessment study

R Richard, D Jensen, J Touron… - BMJ Open …, 2024 - bmjopenrespres.bmj.com
… (V’O 2 ) and of bioimpedance cardiac output (Qc) enabling … waveform are used to calculate
the maximal rate of decrease … and Hr on exercise cardiac outputs we observed a distinctive …

Validation of Impedance Pneumography Measurement for Assessment of Respiration in Cardiothoracic Surgery Patients

M Jauhiainen - 2017 - trepo.tuni.fi
… ing bioimpedance of the thorax. Conventionally respiration … and used to optimize the cardiac
output. Another example of … patient by the instructor is very important to achieve accurate