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  • Compliance of respiratory system  (1)
  • Static compliance  (1)
  • 1
    Electronic Resource
    Electronic Resource
    Effects of ventilation in ventral decubitus position on respiratory mechanics in adult respiratory distress syndrome (1997)
    Springer
    Intensive care medicine 23 (1997), S. 1219-1224 
    Details
    ISSN: 1432-1238
    Keywords: Key words Acute respiratory failure ; Gas exchange ; Mechanics ; Body position ; Compliance of respiratory system ; Mechanical ventilation
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Objective: To assess the potential benefits of a period of ventilation in ventral decubitus (VD) on oxygenation and respiratory mechanics in the adult respiratory distress syndrome (ARDS). Design: In a stable condition during baseline ventilation in dorsal decubitus (DD), after 15 min of ventilation in VD and after 10 min of restored DD, the following parameters were studied: arterial blood gas tension, haemodynamics and static respiratory compliance (Crs), evaluated with the rapid airway occlusion technique. Setting: The study was completed in the intensive care units of university hospitals as part of the management of the patients studied. Patients: Twelve patients (7 males, 5 females, mean age 51.8 ± 16.6 years) suffering from ARDS of different aetiologies. Interventions: Before and during each evaluation, the patients were kept under stable haemodynamic and metabolic conditions. The ventilatory setting was kept constant. All the patients were sedated, paralysed and mechanically ventilated. Results: A statistically significant increase in the ratio between the arterial partial pressure of oxygen and fractional inspired oxygen (p 〈 0.01) was observed between the baseline conditions (mean 123.9 ± 22.6) and VD (mean 153.0 ± 16.9), while no statistical significance was noted between baseline conditions and after 10 min of restored DD (mean 141.1 ± 19.7). A significant increase in Crs (p 〈 0.001) was observed between baseline conditions (mean 42 ± 10.1) and VD (mean 48.8 ± 9.6) and between baseline conditions and restored DD (mean 44.7 ± 10.6). Two patients were considered non-responders. All the patients were haemodynamically stable. No side effects were noted. Conclusions: We observed an increase in oxygenation and Crs when the patients were turned from the supine to the prone position with the upper thorax and pelvis supported.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s001340050489
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Application of a computerised method to measure static pressure volume curve in acute respiratory distress syndrome (2000)
    Springer
    Intensive care medicine 26 (2000), S. 11-14 
    Details
    ISSN: 1432-1238
    Keywords: Key words Acute respiratory distress syndrome ; Static pressure volume curve ; Static compliance
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Objective: To assess the safety and the bedside feasibility of a new computerised method to record the static pressure-volume curves (Pst/V) of the respiratory system.¶Design: The Pst/V curves were recorded in 13 medical patients with the acute respiratory distress syndrome (ARDS). During the Pst/V curve tracing the following parameters were recorded: time required for the recording and the automatic analysis of the Pst/V curve and modifications in electrocardiograms, blood pressure, and arterial oxygen satmation (SaO2).¶Setting: The study was performed in the intensive care unit of the University of Naples “Federico II”.¶Results: No statistically significant modifications in heart rate (HR, b min–1), blood pressure (BP, mmHg), and SaO2 were observed between conditions at baseline (HR 97.2 ± 17.7; BP 65.4 ± 9.3; SaO2 93.6 ± 2.0), during the recording (HR 99.8 ± 19.5; BP 66.2 ± 11.6; SaO2 93.7 ± 2.4), and 2 min after the procedure (HR 98.2 ± 17.8; BP 65.2 ± 11.7; SaO2 93.7 ± 1.9). The Pst/V curves were recorded in 8.38 ± 1.19 min and fully analysed in 2.69 ± 0.85 min. Mean value of static compliance was 41.1 ± 12.7 ml cmH2O–1. A lower inflection point was found in ten patients (mean value 9.2 ± 1.9 cmH2O).¶Conclusions: In ARDS patients, the present new computerised method gave valuable data to ordinary intensivists and was shown to be safe, easy, and fast.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s001340050005
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
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