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Prehospital use in emergency patients of a laryngeal mask airway by ambulance paramedics is a safe and effective alternative for endotracheal intubation

J Bosch, J de Nooij, M de Visser, S C Cannegieter, N J Terpstra, C Heringhaus, J Burggraaf
Emergency Medicine Journal: EMJ 2014, 31 (9): 750-3
23771898

BACKGROUND: In Dutch ambulance practice, failure or inability to intubate patients with altered oxygenation and/or ventilation leaves bag-valve mask ventilation as the only alternative, which is undesirable for patient outcome. A novel Laryngeal Mask Airway Supreme (LMA-S) device may be a suitable alternative.

AIM: To evaluate the effectiveness and suitability of the LMA-S for emergency medical services in daily out-of-hospital emergency practice.

METHODS: After a period of theoretical and practical training of ambulance paramedics in the use of the LMA-S, prospective data were collected on the utilisation of LMA-S in an observational study. Procedures for use were standardised and the evaluation included the number of direct intubation attempts before using LMA-S, attempts required, failure rate and the adequacy of ventilation. Data were analysed taking patient characteristics such as age and indication for ventilatory support into account.

RESULTS: The LMA-S was used 50 times over a period of 9 months (33 involving cardiorespiratory arrest, 14 primary and three rescue). The LMA-S could be applied successfully in all 50 cases (100%) and was successful in the first attempt in 49 patients (98%). Respiratory parameters showed adequate oxygenation. All paramedics were unanimously positive about the utilisation of LMA-S because of the easiness of the effort of insertion and general use, and emphasised its value as a useful resource for patients in need.

CONCLUSIONS: Ensuring ventilation support by using LMA-S by paramedics in prehospital emergency practice is safe and effective.

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