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Scientific News

A selection of scientific articles on Cardio Pulmonary, Lung Function, Metabolism and Body Composition

Preterm Birth and Body Composition at Term equivalent Age: a systematic review

10 December 2012
A meta-analysis of scientific studies has been published on the prestigious Pediatrics Journal showing the importance of body composition monitoring in preterm infants. The study is a meta-analysis of studies published to date presenting body composition results in preterm infants at term equivalent age (TEA), which is the age at which they wou...

The impact of emphysema on cardiopulmonary response to exercise in COPD patients

22 November 2012
A new study shows for the first time the ventilatory response to exercise in COPD patients with emphysema. Sixteen patients with moderate to severe emphysema, quantified by high resolution computed tomography scan (HRCT), were studied. All participants underwent a full lung function evaluation with Quark PFT, including spirometry, diffusing cap...

Agreement Between Standard Body Composition Methods to Estimate Percentage of Body Fat in Young Male Athletes

10 September 2012
A new study published on Pediatric Exercixse Medicine uses the BOD POD as the practical reference standard for body fat measurement in young male athletes. The purpose of this study was to examine the intermethods agreement of DXA and BIA with ADP to assess the %BF in young male athletes, such as swimmers, footballers, and cyclists. Air Displa...

Indirect calorimetry in mechanically ventilated patients. A systematic comparison of three instruments

10 September 2012
A study by the Swedish Karolinska Instituet has been published on Clinical Nutrition Journal showing excellent results for Quark RMR in measuring indirect calorimetry in mechanically ventilated patients.  The study objectives were focused on the necessity of validating new instruments for indirect calorimetry in mechanically ventilated patients...

Indirect calorimetry in obese female subjects: Factors influencing the resting metabolic rate

03 September 2012
A new study has been published to evaluate selected factors influencing resting energy expenditure (REE) in obese female subjects. The study, published on the June issue of the World Journal of Experimental Medicine, was carried out by the Department of Experimental Medicine, Medical Physiopathology, Food Science and Endocrinology Section, Food...

Air-Displacement Plethysmography Pediatric Option in 2–6 Years Old Using the 4CM

18 July 2012
A validation study has been published on Obesity Journal showing the accuracy and reliability of the newly introduced Pediatric Option Accessory for measuring body fat % in 2-6 years old with the Bod Pod GS. The objective of this study was to determine the accuracy, precision, bias, and reliability of percent fat (%fat) determined by air-displa...

Evaluation of air-displacement plethysmography for body composition assessment in preterm infants

12 June 2012
A validation study has been published on Obesity Journal showing the accuracy and reliability of the newly introduced Pediatric Option Accessory for measuring body fat % in 2-6 years old with the Bod Pod GS. The aim of the research, conducted by the Mangiagalli Clinic in Milan (Italy), was to evaluate the accuracy and reliability of air-displac...

The Reliability and Validity of the COSMED Fitmate Canopy System for Assessing Resting Metabolic Rate

18 May 2012
The measurement of Resting Metabolic Rate using the Fitmate with a ventilated canopy hood was validated by a study presented during the 2012 ACSM Annual Meeting. The study, by the Northern Illinois University, aimed to determine the reliability and validity of measuring resting metabolic rate (RMR) with COSMED’s FitMate™ metabolic system using ...

Comparison Of Two Devices For Assessment Of Interrupter Resistance In Preschool Children

18 May 2012
A study was presented during 2012 ATS validating the Rint measurements obtained with Rocc Pony FX option. The study, by the University of Florence (Italy) together with the University of Herston (QLD, Australia), aimed to establish whether the Rint measurements obtained with the Pony spirometry device are similar to those obtained with Microrin...

Reproducibility of the COSMED's Fitmate metabolic system in measuring steady-state cycling energy expenditure

11 May 2012
A French study examined the reproducibility of the Fitmate metabolic system in measuring breathing gas during a cycling exercise. The study (in French language), by the University of Nice Sophia-Antipolis, aimed to demonstrate the reproducibility of respiratory variables (VE and VO2) using a desktob metabolic system like Fitmate. Twenty-one pa...

Influence of Competition on Performance and Pacing during Cycling Exercise

16 April 2012
A study with Quark b2 examines the impact of head-to-head competition on performance, pacing strategy and bioenergetics during a 2000-m cycling task. The study, by the University of Portsmouth together with the Deutsche Sporthochschule, aims to describe the bioenergetic basis for any changes in performance or pacing profile due to simulated hea...

Asymmetry of Quadriceps Muscle Oxygenation during Elite Short-Track Speed Skating

29 March 2012
A new study using K4b2 shows the impact on training and performance of asimmetry in legs muscle desaturation in short-track speed skating. The study, by the Department of Biological Sciences of the University of Essex together with the British Olympic Medical Institute, analyses the impact of the restriction of muscle blood flow, due to the low...

The effect of breakfasts varying in glycemic index and glycemic load on dietary induced thermogenesis and respiratory quotient

19 March 2012
Three isocaloric breakfasts with different levels of carbohydrate contents have been compared to assess their impact on dietary-induced thermogenesis. 16 lean young males were tested with three isocaloric breakfasts different in Glycemic Index and/or Glycemic Load (high GI and high GL vs. low GI and low GL vs. high GI and low GL [HGI-LGL]). The...

Early ICU Energy Deficit is a Risk Factor for Staphylococcus aureus Ventilator-Associated Pneumonia

16 March 2012
This study was undertaken to determine the impact of patients’early in-ICU energy balance on the pathogens responsible for ventilator-associated pneumonia. Energy balance (energy delivered - calculated resting energy expenditure) was compared according to the microbiologic results of the fiber-optic BAL (bronchoalveolar lavage) cultures of 76 c...

Resting Energy Expenditure in Anorexia Nervosa: Measured versus Estimated

12 March 2012
This study proves that accurate measurement of the REE in underweight anorexia nervosa patients is clinically useful, overcoming the limits of predictive formulas. Several studies showed that REE is low in underweight patients with Anorexia Nervosa, this is mainly due to the loss of lean body mass, a major determinant of REE, and to a lesser ex...

Indirect calorimetry in intensive care: an Australian perspective

08 March 2012
A new study examines the role of indirect calorimetry in ventilated ICU patients as an important clinical tool compared to daily estimated energy requirements predicted by the Schofield equation. Twenty four indirect calorimetry tests were conducted during routine practice using the COSMED Quark RMR. The study conclusion was that "the Schofiel...

K4b2 Validity and Reliability during Fast Outdoor Running

06 February 2012
A new validation study of K4b2 was presented during last ACSM show assessing both the validity and reliability of the system. 19 Caucasian endurance trained individuals and 30 adolescents from a rural primary school in Kenya completed maximal incremental running tests with COSMED K4b2. The Douglas bag method (DB) was used as the criterion for c...

ERS educational video on CPET with COSMED metabolic cart

02 December 2011
An educational video has been published by ERS showing the procedure of performing a Cardiopulmonary Exercise Test with a COSMED metabolic cart. The tutorial shows the patient selection stage, the required equipment, preparation and set-up, how to perform the test and how to interpret the data. See the tutorial on the ERS website: click here ...

Exercise intensity effects on diabetic patients tested with Fitmate PRO

04 November 2011
A recent study of the Italian Diabetes Exercise Study (IDES) showed how supervised exercise can produce significant improvements of cardiovascular risk among Type-2 diabetes patients. This study aimed to assess the efficacy of an intensive exercise intervention strategy in promoting physical activity and improving hemoglobin A1c (HbA1c) level a...

Influence of Ventilatory Settings on Indirect Calorimetry in Mechanically Ventilated Patients

14 October 2011
The COSMED Quark RMR with the ICU option has been recently assessed to be a suitable indirect calorimeter to be coupled with a mechanical ventilator in an intensive care unit setting. The study aimed at measuring the influence of the ventilatory settings on the parameters measured by the Quark RMR metabolic monitor. The energy expenditure of 10...

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