Nitric oxide diffusing capacity on exercise.
نویسنده
چکیده
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منابع مشابه
Pulmonary membrane diffusing capacity and capillary blood volume measured during exercise from nitric oxide uptake.
STUDY OBJECTIVES To validate lung diffusing capacity for nitric oxide (DLNO) as an index of conductance of the alveolar-capillary membrane during exercise, we compared DLNO to lung diffusing capacity for carbon monoxide (DLCO) and pulmonary membrane diffusing capacity for carbon monoxide (DMCO), and compared pulmonary capillary blood volume (Vc) calculated by two methods. SETTING AND PARTICIP...
متن کاملRecruitment of lung diffusing capacity: update of concept and application.
Lung diffusing capacity (DL) for carbon monoxide (DLCO), nitric oxide (DLNO) or oxygen (DLO2) increases from rest to peak exercise without reaching an upper limit; this recruitment results from interactions among alveolar volume (VA), and cardiac output (q), as well as changing physical properties and spatial distribution of capillary erythrocytes, and is critical for maintaining a normal arter...
متن کاملPulmonary nitric oxide uptake reflects the entire diffusive properties of the alveolar capillary membrane.
Borland, Colin, Bryan Mist, Mariella Zammit, and Alain Vuylsteke. Steady-state measurement of NO and CO lung diffusing capacity on moderate exercise in men. J Appl Physiol 90: 538–544, 2001.—Using a rapidly responding nitric oxide (NO) analyzer, we measured the steady-state NO diffusing capacity (DLNO) from end-tidal NO. The diffusing capacity of the alveolar capillary membrane and pulmonary ca...
متن کاملSteady-state measurement of NO and CO lung diffusing capacity on moderate exercise in men.
Using a rapidly responding nitric oxide (NO) analyzer, we measured the steady-state NO diffusing capacity (DL(NO)) from end-tidal NO. The diffusing capacity of the alveolar capillary membrane and pulmonary capillary blood volume were calculated from the steady-state diffusing capacity for CO (measured simultaneously) and the specific transfer conductance of blood per milliliter for NO and for C...
متن کاملNitric oxide diffusing capacity and alveolar microvascular recruitment in sarcoidosis.
We measured diffusing capacities for carbon monoxide (DLCO) and nitric oxide, lung volume, and cardiac output by a rebreathing technique at two alveolar O2 tensions (PAO2) at rest and exercise. Membrane diffusing capacity for CO (DMCO) and VC were estimated from DLCO by the Roughton-Forster (RF) method and also from simultaneous lung diffusing capacity for NO and DLCO measured at one O2 tension...
متن کاملA small amount of inhaled nitric oxide does not increase lung diffusing capacity.
The aim of the present study was to determine: 1) whether 40-50 ppm nitric oxide (NO) increases diffusing capacity of the lung for NO (D(L,NO)) and carbon monoxide (D(L,CO)), membrane diffusing capacity for CO (D(m,CO)) and pulmonary capillary blood volume (V(c)); 2) the actual number of tests required to provide a reasonable estimate of D(L,NO), D(L,CO), D(m,CO) and V(c); and 3) repeatability ...
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ورودعنوان ژورنال:
- Chest
دوره 126 5 شماره
صفحات -
تاریخ انتشار 2004