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IntelliCycleTM 2.0 Improved Patient-ventilator Asynchrony During PSV

2019-09-20 03:46:42 | BioPortfolio

Summary

Pressure Support Ventilation use Expiratory triggering sensitivity (Esense) to transfer inspiration to expiration, the value of Esense is fixed. That may lead to asynchrony between humans and ventilators, making people uncomfortable and prolonging weaning time. Furthermore,trigger delay or inffective trigger happens frequently during insppiratory triggering. The ventilators have a compunter drived funcation of automatic adjustmen of inspiratory triger and cycling-off based on waveform, IntelliCycleTM 2.0. It will make the transforming more synchrony with humans. The objectibe of the present study is to detect the effect of automatic adjustmen of inspiratory triger and cycling-off based on waveform on patient-ventilator interation.

Description

This is a physiological cross-over study. Enrolled patient with different baseline respiratory mechanics, for example ARDS patients with low compliance, COPD patient with high airway resistance and postoperative patients with almost normal compliance and airway resistance. Patients are ventilated with PSV+ Automatic adjustmen of inspiratory triger and cycling-off based on waveform, PSV with fixed inspiratory and expiratory and NAVA in two different levels of support. The demographic characteristics, diagnosis, formerly medical history, Ventilator indications, Ventilator data, other respiratory treatments, patient-ventilator interation, work of breathing, Eadi, will be recorded.

Study Design

Conditions

Automatic Adjustmen of Inspiratory Triger and Cycling-off

Intervention

automatic adjustmen of inspiratory triger and cycling-off based on waveform and PSV with fixed Esence

Status

Not yet recruiting

Source

Southeast University, China

Results (where available)

View Results

Links

Published on BioPortfolio: 2019-09-20T03:46:42-0400

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Medical and Biotech [MESH] Definitions

A set of opposing, nonequilibrium reactions catalyzed by different enzymes which act simultaneously, with at least one of the reactions driven by ATP hydrolysis. The results of the cycle are that ATP energy is depleted, heat is produced and no net substrate-to-product conversion is achieved. Examples of substrate cycling are cycling of gluconeogenesis and glycolysis pathways and cycling of the triglycerides and fatty acid pathways. Rates of substrate cycling may be increased many-fold in association with hypermetabolic states resulting from severe burns, cold exposure, hyperthyroidism, or acute exercise.

The measurement of the amplitude of the components of a complex waveform throughout the frequency range of the waveform. (McGraw-Hill Dictionary of Scientific and Technical Terms, 6th ed)

The maximum volume of air that can be inspired after reaching the end of a normal, quiet expiration. It is the sum of the TIDAL VOLUME and the INSPIRATORY RESERVE VOLUME. Common abbreviation is IC.

The volume of air contained in the lungs at the end of a maximal inspiration. It is the equivalent to each of the following sums: VITAL CAPACITY plus RESIDUAL VOLUME; INSPIRATORY CAPACITY plus FUNCTIONAL RESIDUAL CAPACITY; TIDAL VOLUME plus INSPIRATORY RESERVE VOLUME plus functional residual capacity; or tidal volume plus inspiratory reserve volume plus EXPIRATORY RESERVE VOLUME plus residual volume.

Data processing largely performed by automatic means.

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