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J Anaesthesiol Clin Pharmacol. 2013 Jan;29(1):56-60. doi: 10.4103/0970-9185.105798.

Comparison of clinical performance of the I-gel with LMA proseal.

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  • 1Department of Anesthesia and Intensive Care, Safdarjang Hospital, New Delhi, India.

Abstract

AIM:

To compare insertion characteristics of 2 different supraglottic devices [I-gel and Proseal laryngeal mask airway (PLMA)] and to observe any associated complications.

STUDY DESIGN:

This prospective, randomized study was conducted in 80 patients [Group I - I-gel insertion (n = 40) and Group P - LMA Proseal insertion (n =40)] of ASA grades I/II, of either sex in the age group 18-65 years. Both groups were compared with respect to ease of insertion, insertion attempts, fiberoptic assessment, airway sealing pressure, ease of gastric tube placement, and other complications.

MATERIALS AND METHODS:

All patients were asked to fast overnight. Patients were given alprazolam 0.25 mg orally at 10 p.m. the night before surgery and again 2 hours prior to surgery with 1-2 sips of water. Glycopyrrolate 0.2 mg, metoclopramide 10 mg, and ranitidine 50 mg were administered intravenously to the patients 45 minutes prior to the surgery. Once adequate depth of anesthesia was achieved either of the 2 devices, selected using a random computerized table, was inserted by an experienced anesthesiologist. In group I, I-gel was inserted and in patients of group P, PLMA was inserted.

STATISTICAL ANALYSIS:

Student t-test and Mann-Whitney test were employed to compare the means; for categorical variables, Chi-square test was used.

RESULT:

Mean insertion time for the I-gel (11.12 ± 1.814 sec) was significantly lower than that of the PLMA (15.13 ± 2.91 sec) (P = 0.001). I-gel was easier to insert with a better anatomic fit. Mean airway sealing pressure in the PLMA group (29.55 ± 3.53 cm H2O) was significantly higher than in the I-gel group (26.73 ± 2.52 cm H2O; P = 0.001). Ease of gastric tube insertion was significantly higher in the I-gel group (P = 0.001). Incidence of blood staining of the device, sore throat and dysphagia were observed more in PLMA group. No other complications were observed in either of the groups.

KEYWORDS:

Airway sealing; I-gel; cuff pressure; fiberoptic; insertion; leak; proseal laryngeal mask airway

PMID:
23493414
[PubMed]
PMCID:
PMC3590543
Free PMC Article
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