Effects of Capnometry Monitoring in Post Anesthesia Care Unit

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

NA

Total Enrollment

53 participants

Study Classification

INTERVENTIONAL

Study Start Date

2018-01-15

Study Completion Date

2018-06-01

Brief Summary

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There is few information about the best capnometry value in recovery room for intubated awakening patients. Furthermore, capnometry values could influence ventilation applied by nurses on these patients. The aim of this study is to observe the effects of capnometry monitoring on intubated awakening patients in recovery room.

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Detailed Description

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In France, there is actually no recommandation about capnography monitoring in recovery rooms. Nevertheless, some patients are still ventilated in post-anesthesia care units during awakening period. Alveolar hypoventilation could induce moderate hypercapnia, thereby stimulate central ventilatory command. However, this hypoventilation could delay the clearance of anesthetic gases. Capnometry monitoring could influence ventilation applied to these patients. Recovery rooms nurses would perform moderate hyperventilation in response to hign capnometry values. This method could enhance gases elimination, with faster spontaneous breathing recovery and extubation. Length of stay in recovery room could also be shortened. An objective surrogate of ventilation is maximal End Tidal CO2, if there is no alveolo-capillary gradient abnormality (Obesity, Chronic respiratory disease, Cyanogenic heart disease). Thus, this study will compare the percentage of patients who reached a maximum End Tidal CO2 greater than 45mmHg during awakening period in post-anesthesia care unit (PACU) in 2 groups :

* first group ("non-blind group") with capnography monitoring see by the PACU nurses
* second group ("blind group") with capnography monitoring but PACU nurses cannot see the values Other parameters like the time between ventilator's disconnection and the first ventilatory cycle in spontaneous ventilation, the time between ventilator's disconnection and tracheal extubation or laryngeal mask's withdrawal, the minimal SpO2 reached after tracheal extubation or laryngeal mask withdrawal or the length of stay in PACU are also recorded.

Conditions

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VENTILATION Capnography

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

DIAGNOSTIC

Blinding Strategy

SINGLE

Participants

Study Groups

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CAPNO+

END TIDAL CO2(EtCO2) is monitoring and PACU nurses can see the values delivered by the capnography device

Group Type EXPERIMENTAL

CAPNOGRAPHY

Intervention Type DEVICE

MONITORING OF CAPNOMETRY USING ETCO2 METHOD

CAPNO-

END TIDAL CO2(EtCO2) is monitoring but PACU nurses cannot see the values delivered by the capnography device

Group Type NO_INTERVENTION

No interventions assigned to this group

Interventions

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CAPNOGRAPHY

MONITORING OF CAPNOMETRY USING ETCO2 METHOD

Intervention Type DEVICE

Eligibility Criteria

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Inclusion Criteria

* Major patients with given written consent
* General anesthesia, induction with Propofol infusion and Target-Controlled Infusion (TCI) remifentanil, relayed with inhaled sevoflurane and TCI remifentanil
* Upper airway control with naso-orotracheal tube or laryngeal mask
* Ventilated normotherm patients in PACU

Exclusion Criteria

* Minor or pregnant patients
* Obesity with Body Mass Index \> 40 kg/m²
* Chronic respiratory disease with SpO2\<90% in ambiant air
* Cyanogenic heart disease
* Patients under myorelaxant in PACU

Minimum Eligible Age

18 Years

Maximum Eligible Age

90 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No