| Comparison of the standard laryngeal mask airway and the ProSeal laryngeal mask airway in obese patients. | |
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MedLine Citation:
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PMID: 12594145 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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BACKGROUND: The ProSeal laryngeal mask airway (PLMA) may have advantages over the laryngeal mask airway (LMA) in obese patients. We tested this hypothesis in a clinical setting. METHODS: Sixty obese patients (BMI >30) were randomized to receive mechanical ventilation (tidal volume 7 ml kg(-1), PEEP 10 cm H(2)O), through either the PLMA or the LMA. A gastric tube was used in all patients. Cuff pressure was set at 60 cm H(2)O and increased progressively until excessive leak occurred. The incidence of sore throat was assessed at recovery and after 1 week. RESULTS: The mean leak fraction was 6.1 (SD 2.9)% with the LMA and 6.4 (3.5)% with the PLMA (P=0.721). With the PLMA, with no sign of ventilation problems, the drainage tube was not patent in three patients. The cuff pressure was >100 cm H(2)O in 38% of the LMA group and 7% of the PLMA group (P=0.05). The incidence of sore throat was similar in both groups and it was similarly scored in the recovery room and 1 week after surgery. CONCLUSIONS: Both the PLMA and the LMA can be used for mechanical ventilation of obese patients. The patency of the PLMA drainage tube needs to be checked constantly even when an optimal airtight seal is present. In obese patients the LMA requires a greater cuff pressure than the PLMA, but sore throat is not related to the cuff pressure. Sore throat assessment in the recovery room appears as reliable as assessment later. |
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Authors:
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G Natalini; M E Franceschetti; M T Pantelidi; A Rosano; G Lanza; A Bernardini |
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Publication Detail:
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Type: Clinical Trial; Comparative Study; Journal Article; Randomized Controlled Trial |
Journal Detail:
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Title: British journal of anaesthesia Volume: 90 ISSN: 0007-0912 ISO Abbreviation: Br J Anaesth Publication Date: 2003 Mar |
Date Detail:
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Created Date: 2003-02-20 Completed Date: 2003-04-09 Revised Date: 2006-11-15 |
Medline Journal Info:
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Nlm Unique ID: 0372541 Medline TA: Br J Anaesth Country: England |
Other Details:
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Languages: eng Pagination: 323-6 Citation Subset: IM |
Affiliation:
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Department of Anaesthesia, Intensive Care and Emergency, Casa di Cura Poliambulanza, Via Bissolati 57, I-25124 Brescia, Italy. natalini-giuseppe@poliambulanza.it |
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| MeSH Terms | |
Descriptor/Qualifier:
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Adult Aged Aged, 80 and over Anesthesia, General / methods* Equipment Design Female Humans Laryngeal Masks / adverse effects* Male Middle Aged Obesity / physiopathology, surgery* Pharyngitis / etiology Respiration, Artificial / methods* |
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