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Supraglottic airway devices (SADs) are well established in anesthetic practice. Among these devices, the i-gel has been typically widely used. The self-pressurised air-Q intubating laryngeal airway (air-Q sp) is newly developed supraglottic airway devices. It is a new single-use device that may optimise the airway sealing while reducing the potential for postoperative complications such as sore throat. The overall structure of the air-Q sp is similar to the original air-Q, except the inflatable cuff. The aim of this randomized trial was to compare the clinical performance of the i-gel and the air-Q sp in elderly patients
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| the i-gel group | Experimental | After induction of general anesthesia, the i-gel will be inserted according to randomly allocated group. |
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| the Air-Q sp group | Active Comparator | After induction of general anesthesia, the air-Q sp will be inserted according to randomly allocated group. |
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| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Insertion of the i-gel | Device | After induction of general anesthesia, the i-gel will be inserted according to randomly allocated group. |
|
| Measure | Description | Time Frame |
|---|---|---|
| airway leak pressure measured after device insertion | Airway leak pressure was determined by adjusting the expiratory valve of the breathing circle to 40 cmH2O (fixed fresh gas flow 3 L/min) and recording the pressure when equilibrium was reached. | within 5min after insertion of each device |
| Measure | Description | Time Frame |
|---|---|---|
| insertion parameters (insertion time and ease of insertion) | Insertion time was defined as the time from the attending anesthesiologist picking up the LMA until the confirmation on capnography. Ease of insertion was graded from 1 to 4. | During and 1 min after insertion of each device |
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Inclusion Criteria:
1. elderly adult patients (65-90 of age) scheduled for elective surgery undergoing general anesthesia using supraglottic airway
Exclusion Criteria:
1. Patients with a potentially difficult airway, risk of aspiration such as gastroesophageal reflux disease, or active upper respiratory tract infection
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| Name | Affiliation | Role |
|---|---|---|
| Min-Soo Kim, MD | Department of Anesthesiology and Pain Medicine, Anesthesia and Pain Research institute, Yonsei University College of Medicine, Seoul | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Yonsei University College of Medicine, Gangnam Severance Hospital, 211 Eonju-ro, Gangnam-gu | Seoul | Seoul | 135-720 | South Korea |
| PubMed Identifier | Type | Citation | Retractions |
|---|---|---|---|
| 30320644 | Derived | Lee JS, Kim DH, Choi SH, Ha SH, Kim S, Kim MS. Prospective, Randomized Comparison of the i-gel and the Self-Pressurized air-Q Intubating Laryngeal Airway in Elderly Anesthetized Patients. Anesth Analg. 2020 Feb;130(2):480-487. doi: 10.1213/ANE.0000000000003849. |
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| Insertion of the air-Q sp | Device |
|