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Paediatr Anaesth ; 18(4): 313-9, 2008 Apr.
Artigo em Inglês | MEDLINE | ID: mdl-18315637

RESUMO

BACKGROUND: The Laryngeal Mask Airway-Unique (LMAU) and CobraPLA (Cobra Perilaryngeal Airway) are supraglottic airway devices. There are no published studies comparing these devices in children breathing with pressure controlled ventilation (PCV). METHODS: Eighty pediatric patients, scheduled for elective general surgery of short duration, were randomly assigned to have either a CobraPLA or a LMAU used for airway management using PCV. We compared the devices with respect to (i) ability to form an effective cuff seal, (ii) oxygenation, (iii) endtidal carbon dioxide level, (iv) time to achieve an effective airway, (v) airway interventions required for insertion, (vi) fiberoptic score, (vii) respiratory variables and (vii) adverse events. RESULTS: Cuff seal pressure was significantly higher for CobraPLA (27.08 +/- 4.15 cmH(2)O) than for LMAU (20.91 +/- 2.47 cmH(2)O). Oxygenation was similar in both groups while the mean endtidal CO(2) in the CobraPLA group was significantly higher than in the LMAU group (36.47 +/- 1.93 mmHg vs 34.71 +/- 3.05 mmHg, P = 0.021). Time and ease of insertion were similar, with CobraPLA requiring more frequent jaw lift and LMAU requiring more frequent adjustment of the head and neck to achieve a proper position. Fiberoptic scores were excellent with both devices. Respiratory variables were similar with the exception that the plateau pressure and mean peak pressures were significantly lower with CobraPLA. There was a low rate of blood mucosal staining of the devices. No patient in either group reported a sore throat. CONCLUSIONS: Both devices appear to be safe and effective in establishing an adequate airway in healthy children undergoing surgery of short duration with PCV.


Assuntos
Intubação Intratraqueal/instrumentação , Máscaras Laríngeas , Respiração com Pressão Positiva/instrumentação , Respiração com Pressão Positiva/métodos , Dióxido de Carbono/análise , Pré-Escolar , Equipamentos Descartáveis , Procedimentos Cirúrgicos Eletivos , Tecnologia de Fibra Óptica , Humanos , Intubação Intratraqueal/efeitos adversos , Máscaras Laríngeas/efeitos adversos , Monitorização Fisiológica/métodos , Volume de Ventilação Pulmonar , Fatores de Tempo
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