alveolar volume
Assessment of the alveolar volume when sampling exhaled gas at different expired volumes in the single breath diffusion test
... the alveolar volume, which collects the alveolar inert gas concentration at the beginning of exhalation, especially in diseased ...a volume of 750 ml) the concentration of the tracer gas is ...
10
Prognostic value of alveolar volume in systolic heart failure: a prospective observational study
... the alveolar-capillary barrier ...that alveolar-capillary membrane conductance of less than ...blood volume components requires the determina- tion of DL CO at two different concentrations of ...
7
Alveolar dynamics during mechanical ventilation in the healthy and injured lung
... the alveolar mouths would cyclically shorten and narrow the alveolar ducts forcing out the air flow ...on alveolar dynamics had dramatically changed thanks to comprehensive (albeit static) ...
20
Modelling mixing within the dead space of the lung improves predictions of functional residual capacity
... A least squares approach was used to estimate the model parameters, with a genetic algorithm followed by the Nelder-Mead simplex used to minimise the root mean squared error between the model predictions and the data ...
18
NON UNIFORM PULMONARY DIFFUSION AS DEMONSTRATED BY THE CARBON MONOXIDE EQUILIBRATION TECHNIQUE: MATHEMATICAL CONSIDERATIONS
... IDefinitions of symbols: DL = pulmonary diffusing capacity VA = alveolar volume VA = alveolar ventilation per unit time Qc = pulmonary capillary blood flow VTA = alveolar tidal volume VF[r] ...
8
NON UNIFORM PULMONARY DIFFUSION AS DEMONSTRATED BY THE CARBON MONOXIDE EQUILIBRATION TECHNIQUE: EXPERIMENTAL RESULTS IN MAN
... 1 Definition of symbols used in this report: DL = pulmonary diffusing capacity VA = alveolar volume VA = alveolar ventilation per unit time Qc = pulmonary capillary blood flow VTA = alve[r] ...
10
Prevention of Collagen Deposition Following Pulmonary Oxygen Toxicity in the Rat by Cis 4 Hydroxy l Proline
... and alveolar enlargement in 3-6 ...lung volume was 16% greater than control in oxygen- exposed rats (P < ...showed alveolar size was greater than control in oxygen-exposed rats (188±11 [SE] ...
10
A new approach to assess COPD by identifying lung function break-points
... DLCO/alveolar volume (VA), DLCO/VA%pred, resistance at 5 Hz (R5), R5 minus R20, reactance area (AX), resonance frequency (F res ), and reactance at 5 Hz ...
10
Changes in plasma CXCL4 levels are associated with improvements in lung function in patients receiving immunosuppressive therapy for systemic sclerosis related interstitial lung disease
... residual volume (RV), and total lung capacity (TLC) by whole-body plethysmogra- phy or helium dilution), hemoglobin-adjusted single- breath DLCO, and the ratio of DLCO to alveolar volume ...
9
PULMONARY DIFFUSING CAPACITY AND ITS SUBDIVISIONS IN POLYCYTHEMIA VERA
... PCV = packed cell volume; VA = mean alveolar volume; DL = total pulmonary diffusing capacity when breathing air; DM = membrane diffusing capacity; Vc = pulmonary capillary blood volume; [r] ...
11
Poractant alfa (Curosurf®) increases phagocytosis of apoptotic neutrophils by alveolar macrophages in vivo
... recruited alveolar macrophages ...of alveolar macrophages improved the pha- gocytic activity to levels observed for macrophages of other origin and that the exposure to SP-A and SP-D reduced their ...
8
Assessment of alveolar defect volume in unilateral cleft lip and palate patients using a free software program
... secondary alveolar graft- ...have alveolar graft resorption due to insufficient vas- cularization of progenitor cells in the center of the bone graft) ...the alveolar defect in the cleft area and to ...
6
Endothelial mitochondria determine rapid barrier failure in chemical lung injury
... from alveolar HCl–initiated H 2 O 2 diffu- sion from the alveolar epithelium, we transfected the alveolar epithelium with ...catalase-transfected alveolar epithelium, direct microvascular ...
12
Click here to download PDF version of the article !
... Aim: To study the histomorphological lung changes seen at autopsy and to correlate them with the clinical cause of death. Materials and Methods: Lung specimens were collected from 120 autopsies conducted at a tertiary ...
6
Influence of perioperative oxygen fraction on pulmonary function after abdominal surgery: a randomized controlled trial
... ment to quantify the amount of impaired gas exchange. It is affected by numerous factors other than true intra- pulmonary right to left shunts caused by atelectasis, such as changes in circulatory blood volume, ...
8
Maximal oxygen consumption in patients with lung disease
... blood volume, alveolar ventilation, and mixed venous oxygen saturation were employed as input values, predictions of VO2max from the model correlated closely with measured values (r = ...of alveolar ...
12
THE EFFECTS OF HEMORRHAGE ON PULMONARY CIRCULATION AND RESPIRATORY GAS EXCHANGE
... IV, Figure 4, so that we can assume that no significant "alveolar" dead space existed, all the dead space being "anatomical." Following removal of one-third of the estimated blood volume[r] ...
16
READJUSTMENT IN DISTRIBUTION OF ALVEOLAR VENTILATION AND LUNG PERFUSION IN THE NEWBORN
... mm Hg. 2 Comparison of urinary-alveolar N2 differences and alveolar-arterial 02 differences. The triangles repre- sent time alveolar arterial oxygen differences given by Nelson and assoc[r] ...
8
PaCO2 and alveolar dead space are more relevant than PaO2/FiO2 ratio in monitoring the respiratory response to prone position in ARDS patients: a physiological study
... 12. Vieillard-Baron A, Rabiller A, Chergui K, Peyrouset O, Page B, Beauchet A, Jardin F: Prone position improves mechanics and alveolar ventilation in acute respiratory distress syndrome. Intensive Care Med 2005, ...
10
Changes in Alveolar Bone Width Following Bone Expansion
... The initial width of the alveolar ridge measured from 2.5 to 5 mm (mean 2.83 ± 0.2) with CBCT. The mean increase of bone width was achieved 1.25 mm (between 0.64 mm and 1.73 mm). Before prosthetic rehabilitation, ...
9