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| Name | Class |
|---|---|
| KK Women's and Children's Hospital | OTHER_GOV |
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The Supreme Laryngeal Mask Airway (SLMA) is a single use supraglottic device that provides a good seal for positive pressure ventilation and good first attempt insertion rate of 98% in low risk patients undergoing elective Caesarean section. It has a double aperture design that facilitates the introduction of an orogastric tube to aspirate gastric contents.
The primary study hypothesis is the first attempt insertion success rate of SLMA use in urgent Caesarean section.
Investigators propose a prospective cohort study to study the first attempt insertion success rate of supreme LMA in general anaesthesia for urgent caesarean section.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Supreme Laryngeal Mask Airway | Other | Supreme Laryngeal Mask Airway with gastric tube. Preoxygenation, rapid sequence induction and cricoid pressure. Induction of general anaesthesia. |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Supreme Laryngeal Mask Airway | Device | Supreme Laryngeal Mask Airway. Preoxygenation, rapid sequence induction and cricoid pressure. Induction of general anaesthesia. |
|
| Measure | Description | Time Frame |
|---|---|---|
| First attempt insertion success rate | An attempt is defined as insertion and withdrawal of the device from the patient's airway | 1 hour |
| Measure | Description | Time Frame |
|---|---|---|
| Time to effective airway placement | Interval from when the device was picked up until appearance of the first end-tidal carbon dioxide waveform | 1 hour |
| Aspiration | Signs of aspiration as evidenced by perioperative hypoxaemia, wheezing or crepitations upon auscultation of lungs or postoperative dyspnoea with chest x ray signs of aspiration |
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Inclusion Criteria:
Exclusion Criteria:
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| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Quanzhou Women's and Children's Hospital | Quanzhou | Fujian | 700 | China |
| PubMed Identifier | Type | Citation | Retractions |
|---|---|---|---|
| 32847548 | Derived | Lim MJ, Tan HS, Tan CW, Li SY, Yao WY, Yuan YJ, Sultana R, Sng BL. The effects of labor on airway outcomes with Supreme laryngeal mask in women undergoing cesarean delivery under general anesthesia: a cohort study. BMC Anesthesiol. 2020 Aug 26;20(1):213. doi: 10.1186/s12871-020-01132-5. | |
| 31286890 | Derived | Tan HS, Li SY, Yao WY, Yuan YJ, Sultana R, Han NR, Sia ATH, Sng BL. Association of Mallampati scoring on airway outcomes in women undergoing general anesthesia with Supreme laryngeal mask airway in cesarean section. BMC Anesthesiol. 2019 Jul 8;19(1):122. doi: 10.1186/s12871-019-0796-5. |
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| 1 hour |
| blood on SLMA on removal | inspection for presence of blood upon removal of SLMA | 1 hour |
| Sore throat | Sore throat present in recovery room | 1 hour |
| Regurgitation | Gastric contents identified in the mouth with pH less than 4 | 1 hour |
| Seal pressure | Recorded by closing the adjustable pressure limiting valve and insufflating the closed breathing system with 3L/min fresh gas flow. The peak circuit airway pressure achieved will be recorded. | 1 hour |
| Gastric aspirate | Volume of gastric aspirate using gastric tube and pH of gastric aspirate using litmus paper | 1 hour |
| Neonatal outcomes | Neonatal birthweight. APGAR score. Umbilical venous cord pH | 1 hour |
| 29258438 | Derived | Li SY, Yao WY, Yuan YJ, Tay WS, Han NR, Sultana R, Assam PN, Sia AT, Sng BL. Supreme laryngeal mask airway use in general Anesthesia for category 2 and 3 Cesarean delivery: a prospective cohort study. BMC Anesthesiol. 2017 Dec 19;17(1):169. doi: 10.1186/s12871-017-0460-x. |