Critically Ill Severe Bronchiolitis

10 cmH2O peep

Bambino Gesù Children's Hospital

Helmet Continuous Positive Airway Pressure Support for Severe Bronchiolitis in PICUs

Helmet Continous Positive Airway Pressure (CPAP) Management and Positive End Expiratory Pressure (PEEP) Level Impact on Severe Bronchiolitis Admitted in Pediatric Intensive Care Units (PICUs)

to evaluate intubation rate on severe bronchiolitis admitted in PICU and supported with Helmet CPAP non invasive ventilation with 10 peep level in group 1, and 5 peep level in group 0.

Emanuele Rossetti

Bambino Gesù Hospital and Research Institute

Interventions: Different positions will be applied to subjects to measure preipheral tissue oxygenation, pressure, and changes in microvascular flow. Subjects will be placed up to 4 hours in each of the standard positions for the experiment: supine decubitus (SD) right lateral decubitus (RLD), left lateral decubitus (LLD). SD measurements will be made at 0, 30 and 45 degrees of inclination to bed. RLD and LLD positions will be evaluated with a body inclination of 30 and 90ª. The subjects will lie down on a memory foam mattress for an articulated bed, as are commonly used at home, residential or hospital care. Between the subject and the mattress will be inserted the pressure measuring surface. Measurements in each position will be made during intervals of 0-4 hours in the same position (SD-RLD-LLD) in each of the inclinations of the bed (0º, 30°, 45 °) or body (30º, 90º), respectively.

Pressure Ulcer

Skin oxygenation will be measured by tcpO2, and microvascular flow with Laser Doppler. Measurements will be made inserting probes in sacrum, trochanters, elbows and heels, before and after the end of each decubitus lying period, and in every position and angle. Pressure: Continuous pressure measurements will be made in sacrum, trochanters, elbows and heels. Measures will be carried out at sessions separated at intervals of 7 days, with 0 to 4 hours of experimental exposure to pressure, different bed angles (0º, 30º, 45º), and lateral decubitus tilts (30, 90). Bioimpedance will be performed at baseline early in the morning, fasting and after emptying the bladder. Subjects will be lying without clothes, in a supine position on the bed, with a distance of at least 25 cm between thighs. The measurement will be made in single frequency mode (50 kHz , 400 μARMS) with a tetrapolar electrode arrangement.

tcpO2

Laser Doppler

Peripheral Perfusion and Oxygenation in Areas of Risk of Skin Integrity Impairment Exposed to Pressure Patterns.

Peripheral Perfusion and Oxygenation in Areas of Risk of Skin Integrity Impairment Exposed to Pressure Patterns. A Phase I Trial (POTER-DIC)

Local noninvasive measurement reflecting the amount of O2 that has diffused from the capillaries, through the epidermis to a Clark-tupe electrode at the measuring site.

Non invasive measurement through Laser Doppler, using a diode laser emitting continuous divergent radiation. The PeriFlux System 5000 equipped with PF 5010 LDPM Unit(s) is classified in USA as a class 1 laser product according to FDA CFR 1040.10. In Europe, the instrument is classified as a Class 1 laser product according to IEC 60825-1:2007. An optical fiber leads light generated by a laser to the LDPM probe tip, which rests against the tissue. The beam of light will enter the tissue and become scattered. Blood cells moving within the volume illuminated by the beam will cause the light to change frequency. This change in frequency is called a Doppler shift.

pressure ulcer/horečka

Helmet Continuous Positive Airway Pressure Support for Severe Bronchiolitis in PICUs

Peripheral Perfusion and Oxygenation in Areas of Risk of Skin Integrity Impairment Exposed to Pressure Patterns.

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