Scientific News
A selection of scientific articles on Cardio Pulmonary, Lung Function, Metabolism and Body Composition
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]). Their…
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 con…
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 exte…
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 Schofield…
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 m…
New validation of Quark RMR for indirect calorimetry measurements with canopy hood
12 May 2011
A validation study of Quark RMR by CRNHR was published on the 6th issue of the European Journal of Clinical Nutrition and Metabolism. The objectives of the study by the Centre de Recherche en Nutrition Humaine Rhône-Alpes were to validate accuracy and reliability of COSMED QUARK RMR indirect calorimeter versus the DELTATRAC II™, a well-establishe…
Calorimetry in obese women: comparison of two different operating indirect calorimeters together with the predictive equation of Harris and Benedict
28 September 2010
In this study the measurements of two different indirect calorimeters from COSMED (Fitmate and Quark RMR) were correlated and analysed for better adequacy. The aim of this study was to check measurements of two indirect calorimeters on obese women and then comparing the results with predictive formulas (the popular Harris Benedict Equation). Two…
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