THRIVE and iGEL were applied for maintain oxygenation in bronchoscopic interventions which could not performed with an endotracheal tube. However, besides the risk of desaturation, the differences on difficulties to approach vocal cords, the responses to spay of local anesthetics including cough or spasm, the CO2 elimination, the hemodynamic changes, and the effects on postoperative recovery are rarely investigated.
THRIVE and iGEL were applied for maintain oxygenation in bronchoscopic interventions which could not performed with an endotracheal tube. Unlike the nasal cannula with THRIVE, the tips of iGel are located in upper esophagi, it may affect the postoperative swallowing, especially for the aged group. However, the bronchoscopic approach may be easier for an established route to vocal cords. With shared airway for ventilation and interventions, CO2 elimination is hardly monitored besides the risk of desaturation. In this study, THRIVE or iGel was planned to be randomized used for bronchoscopic interventions in an adult group (age 20-65) and an aged group (age over 65). The difficulties to approach vocal cords, the responses to spay of local anesthetics including cough or spasm, the CO2 elimination, the hemodynamic changes, and the effects on postoperative recovery are compared between THRIVE and iGel groups.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
PREVENTION
Masking
TRIPLE
Enrollment
160
cough response, the changes of BP, HR, SpO2, Trans dermal CO2 during bronchoscopic interventions
anesthetic recovery in postoperative care unit recovery of swallowing by questionnaire in POD1
National Taiwan University Cancer Center
Taipei, Taiwan
difficulty of bronchoscopic approach
time from insertion to visualize vocal cord, records of manipulations if applied
Time frame: from bronchoscopic insertion to visualize vocal cords
response to spraying local anesthetics by bronchoscopy
the status of vocal cords visualized (relaxed, closed, relaxed but close with spray of local anesthetics); cough scale during bronchoscopic insertion and spray of local anesthetics
Time frame: from visualizng vocal cords to complete local anesthetic spray in trachea and main bronchi
hemodynamic changes
changes on MAP (mmHg)
Time frame: from bronchoscopic insertion to 20 minutes after completion of local anesthetic spraying
cough scale
cough intensity X times
Time frame: from bronchoscopic insertion to the end of procedure
SPO2
pulse oximeter, hemoglobin saturation (%)
Time frame: every 5 minutes from bronchoscopic insertion to the end of procedure
Transdermal CO2
data obyenied from transdermal CO2 (mmHg)
Time frame: every 5 minutes from bronchoscopic insertion to the end of procedure
postanesthetic recovery
time stay in postoperative care unit (minutes)
Time frame: from admission to PACU to discharge from PACU
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