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ORIGINAL ARTICLE
Year : 2020  |  Volume : 36  |  Issue : 4  |  Page : 494-499

Comparison and evaluation of single-use LMA supreme versus the reusable proseal LMA in paralyzed patients undergoing surgery with controlled ventilation


1 Department of Anesthesiology, ESI-PGIMSR, Basaidarapur, New Delhi, India
2 Department of Anesthesiology, Narayana Nethralaya, Bengaluru, Karnataka, India

Correspondence Address:
Dr. Shikha Chahar
House Number 211, Second Floor, Raja Garden, New Delhi - 110015
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/joacp.JOACP_298_18

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Background and Aims: The objective of this prospective randomized blinded study was to assess the safety and efficacy of the laryngeal mask airway (LMA) Supreme as compared with the LMA Proseal. Material and Methods: A total of 60 patients were randomised into two groups to either receive a Proseal LMA (PLMA) or Supreme LMA (SLMA) for airway management. The primary outcome was to measure oropharyngeal leak pressure (OLP) in both groups. The secondary outcomes were the measurement of insertion time, insertion success rate, fibreoptic grading, intracuff pressure, ease of ventilation, and airway pressure on standard ventilatory settings and postoperative complications. Results: Intracuff pressure increase after 60 minutes of induction was significantly higher in the PLMA group (PLMA 97.43 ± 11.03 cm of H2O and SLMA 75.17 ± 8.95 cm of H2O). OLP was recorded after device insertion, after 30 min and after 60 min in each group and was found to be 28.71 ± 2.97, 30.93 ± 2.87, and 31.93 ± 2.72 cm of H2O in PLMA and 24.84 ± 2.08, 26.73 ± 2.26, and 27.95 ± 2.55 cm of H2O in SLMA group, respectively. The mean OLP with the SLMA was significantly (p=<.001) lower than PLMA. All the other parameters were comparable in both groups. Conclusion: PLMA is better than SLMA as airway device to ventilate at higher airway pressure in paralyzed adult patients. On the basis of our study, we recommend Proseal over Supreme LMA.


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