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A prospective observational study: the effects of inhalational anesthetic and tracheal tube on airway resistance during general anesthesia

Not Applicable
Completed
Conditions
non
Registration Number
JPRN-UMIN000042544
Lead Sponsor
Tohoku University School of Medicine Anesthesiology and Perioperative Medicine
Brief Summary

In the clinical study, the change in tidal volume per body weight, accompanied by gas composition change (2% sevoflurane in oxygen and with 0-30-60% of N2O), was recorded in 30 pediatric patients. The median tidal volume per body weight decreased by 10% when the respiratory gas density increased from 1.41 kg/m3 to 1.70 kg/m3, indicating a significant between-group difference (P < 0.0001).

Detailed Description

Not available

Recruitment & Eligibility

Status
Complete: follow-up complete
Sex
All
Target Recruitment
30
Inclusion Criteria

Not provided

Exclusion Criteria

(1) Patients with respiratory diseases (2) Patients with difficulty in tracheal intubation (3) Patients whose surgical procedure affects ventilatory parameters (4) Patients with risk factors for malignant hyperthermia due to inhalation anesthetic

Study & Design

Study Type
Observational
Study Design
Not specified
Primary Outcome Measures
NameTimeMethod
Changes in tidal volume due to changes in anesthetic gas composition or tracheal tube length
Secondary Outcome Measures
NameTimeMethod
ventilatory information (ventilator settings, airway pressure, flow velocity, resistance, anesthetic gas composition, tracheal tube length), biometric information (heart rate, blood pressure, oxygen saturation, end-tidal carbon dioxide tension)
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