Document Detail

Pressor responses following insertion of laryngeal mask airway in patients with controlled hypertension: comparison with tracheal intubation.
MedLine Citation:
PMID:  19370949     Owner:  NLM     Status:  MEDLINE    
The present study was undertaken in patients with controlled hypertension to determine the pressor responses following insertion of laryngeal mask airway (LMA) as compared to endotracheal intubation. Two hundred patients with controlled hypertension of either sex, belonging to ASA II undergoing elective surgical procedures of 11/2 to 2 hours duration, were studied in a randomised manner into two equal groups: A(n =100) and B(n = 100) depending on whether LMA or endotracheal tube was used. General anaesthesia and controlled ventilation was undertaken according to standard procedure. Baseline and preinsertion values of heart rate, systolic blood pressure, and diastolic blood pressure were recorded and repeated at 1, 2 and 3 minutes after insertion of LMA or endotracheal intubation. The results showed that increase in systolic and diastolic blood pressure following endotracheal intubation (group A) was much more as compared to LMA (group B) (p<0.01). Heart rate also increased from baseline value in endotracheal intubation group than in LMA (P<0.05). To conclude insertion of LMA was associated with lesser pressure response as compared to endotracheal intubation in patients with controlled hypertension. It is an effective method to avoid laryngoscopic pressor response during endotracheal intubation in hypertensive patients.
Dipasri Bhattacharya; Sharmila Ghosh; Tamonas Chaudhuri; Sudev Saha
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Publication Detail:
Type:  Comparative Study; Journal Article; Randomized Controlled Trial    
Journal Detail:
Title:  Journal of the Indian Medical Association     Volume:  106     ISSN:  0019-5847     ISO Abbreviation:  J Indian Med Assoc     Publication Date:  2008 Dec 
Date Detail:
Created Date:  2009-04-17     Completed Date:  2009-05-07     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  7505608     Medline TA:  J Indian Med Assoc     Country:  India    
Other Details:
Languages:  eng     Pagination:  787-8, 790, 810     Citation Subset:  IM    
Department of Anaesthesiology, RG Kar Medical College, Kolkata.
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MeSH Terms
Adaptation, Physiological*
Blood Pressure
Heart Rate
Hypertension / physiopathology*
Intubation, Intratracheal / instrumentation*,  methods*
Laryngeal Masks
Middle Aged

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