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Laryngeal mask airway is used in different types of surgery requiring different position, recommendation was raised regarding the use of LMA in Lithotomy position with pressure controlled mode of ventilation. This raise a concern whether the mode of ventilation is a limitation for the use of LMA in these position, especially with the use of the i-gel LMA with the characteristic non-inflatable jelly cuff, that provides an excellent seal.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| ETT | the patients in group T were intubated with Endotracheal tube (ETT) (flexicare) size 7 for female and 8 for male The patients were ventilated with a volume-controlled mode at a Tidal Volume (TV) 7ml/kg, Respiratory Rate 12 /min, I: E 1:2. The patient was then positioned in the lithotomy position. Ventilatory parameters including expired TV, peak airway pressure, inspired- expired TV and the end-tidal carbon dioxide were all monitored and recorded every 5 min. In case of leaking from the LMA that interfere with the ventilation before the patients were being positioned in the lithotomy position, the patients were excluded and replaced by another. The incidence of aspiration as revealed clinically( witnessed vomiting followed by decreased oxygen saturation, increased airway pressure, tachycardia, etc..) and confirmed radiologically, Failure of insertion or intubation, sore throat and air leak were reported as a complications. | ||
| LMA | The patients in group L were intubated with an I gel Laryngeal mask airway (LMA) , the size was selected based on the body weight according to the manufacturer's instructions, The patients were then ventilated with a volume-controlled mode of ventilation at a Tidal Volume (TV) 7ml/kg, Respiratory Rate 12 /min, I: E 1:2. The patient was then positioned in the lithotomy position and secured Ventilatory parameters including expired TV, peak airway pressure, TV inspired- TV expired and the end-tidal CO2 were all monitored and recorded every 5 min. In case of leaking from the LMA that interfere with the ventilation before the patients were being positioned in the lithotomy position. The incidence of aspiration as revealed clinically( witnessed vomiting followed by decreased oxygen saturation, increased airway pressure, tachycardia, etc..) and confirmed radiologically, Failure of insertion or intubation, sore throat and air leak were reported as a complications. |
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| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| LMA | Device | Monitor the ventilatory parameter and incidence of complications |
|
| Measure | Description | Time Frame |
|---|---|---|
| Assess the safety of volume-controlled mode of ventilation.in the Lithotomy position during the procedure | Measuring the air Leak through measuring the difference between the inspired and expired tidal volume and determine the peak airway pressure at which these leak does occur. | During the Procedure |
| Measure | Description | Time Frame |
|---|---|---|
| THE incidence of complication among the two groups | decreased oxygen saturation, increased airway pressure, tachycardia, etc..) and confirmed radiologically, Failure of insertion or intubation, sore throat and air leak were reported as a complications. | through the procedure |
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Inclusion Criteria:
Exclusion Criteria:
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The patients in group L were intubated with an Igel LMA (Intersurgical) , the size was selected based on the body weight according to the manufacturer's instructions, the patients in group T were intubated with ETT (flexicare) size 7 for female and 8 for male
The patients were then ventilated with a volume-controlled mode of ventilation at a Tidal Volume (TV) 7ml/kg, Respiratory Rate 12 /min, I: E 1:2. The patient was then positioned in the lithotomy position and secured
Ventilatory parameters including expired TV, peak airway pressure, TV inspired- TV expired and the end-tidal CO2 were all monitored and recorded every 5 min.
The incidence of aspiration as revealed clinically( witnessed vomiting followed by decreased oxygen saturation, increased airway pressure, tachycardia, etc..) and confirmed radiologically, Failure of insertion or intubation, sore throat and air leak were reported as a complications.
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| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Ain Shams University | Cairo | Egypt |
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