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Insertion of laryngeal mask airway does not increase the intraocular pressure in children with glaucoma.
MedLine Citation:
PMID:  21838823     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
Objectives:  It is hypothesized that in children with glaucoma, the insertion of laryngeal mask airway (LMA) will cause lesser rise in intraocular pressure (IOP) than tracheal tube (TT). Aim:  To compare the IOP response to LMA and TT insertion in children with glaucoma. Methods/Materials:  A prospective, randomized, single-blind study was conducted in 30 glaucomatous ASA-1 children, aged 1-10 years scheduled to undergo trabeculectomy. Anesthesia was induced with halothane and maintained for 5 min with 1 MAC of halothane after administering atracurium 0.5 mg·kg(-1) following which LMA or TT was introduced. IOP was measured in both the eyes before and after insertion of airway device for 5 min. Results:  The IOP increased significantly from 27.3 ± 5.2 to 31.2 ± 5.4 mmHg (P < 0.001) after tracheal intubation but returned to baseline within 5 min. The IOP did not change from the baseline after insertion of LMA. The IOP was significantly higher in group TT compared to group LMA at 2 min (P = 0.004) and 5 min (P = 0.01) after the device insertion. The heart rate (HR) increased significantly after tracheal intubation and returned to baseline 4 min after intubation. The HR increase was significantly more in TT group compared to LMA group at all times of observation. Both systolic blood pressure (SBP; P = 0.01) and diastolic blood pressure (DBP; P = 0.02) showed an increase at 1 min in children in group TT. Conclusion:  Insertion of LMA in glaucomatous children is not associated with an increased IOP response or cardiovascular changes.
Authors:
Neerja Bhardwaj; Sandhya Yaddanapudi; Swati Singh; Surinder S Pandav
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2011-8-12
Journal Detail:
Title:  Paediatric anaesthesia     Volume:  -     ISSN:  1460-9592     ISO Abbreviation:  -     Publication Date:  2011 Aug 
Date Detail:
Created Date:  2011-8-15     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9206575     Medline TA:  Paediatr Anaesth     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
© 2011 Blackwell Publishing Ltd.
Affiliation:
Department of Anaesthesia and Intensive Care, Postgraduate Institute of Medical Education and Research, Chandigarh, India Department of Anaesthesiology & Intensive Care, Maulana Azad Medical College, New Delhi, India Department of Ophthalmology, Postgraduate Institute of Medical Education and Research, Chandigarh, India.
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