Comparison of laryngeal mask airway and endotracheal intubation in gynecological cancer operation.

Abstract:

:Endotracheal intubation (ETI) and laryngeal mask airway (LMA) in terms of hemodynamics and reaction were compared. A total of 54 general anesthesia patients were randomized into two groups with 27 cases in each group. Acceleration index (ACI), cardiac index (CI), cardiac output (CO), left cardiac work (LCW), systemic circulation resistance (SVR), mean arterial pressure (MAP), heart rate (HR), systolic blood pressure (SBP) and diastolic blood pressure (DBP) were recorded at 12 time-points: before surgery (T0), start effect (T1), lost consciousness (T2), before ETI or LMA (T3), 1 min (T4), 3 min (T5), 5 min (T6) after ETI or LMA, the beginning of surgery (T7), 30 min (T8), 1 hour (T9) after surgery, the end of surgery (T10) and extubation (T11). In each group these indexes went down and rose up gently during surgery except for T4 (intubation) and T11 (extubation) in ETI. These indexes reached the highest at T11 (extubation). This is due to the stimulus on mucosa and muscle of root of tongue, throat and epiglottis from the windpipe. The stimulus excites sympathetic nerve and increases the release of catecholamine. As a result, the heart beats faster and blood pressure rises. However, the range in the LMA group is smaller especially at T4 and T11. This is most likely due to LMA not stimulating the trachea. SVR, MAP, HR, SBP and DBP were lower in LMA with statistical significance in some time-points. The other indexes such as ACI, CI, CO and LCW were significantly higher in LMA (P<0.05). These results indicated that LMA can be suitable for use in general anesthesia for less stimulation. The airway with LMA in patients undergoing gynecological cancer operation is better than ETI in keeping stable hemodynamics and producing less anesthetic complications with smooth recovery from general anesthesia.

journal_name

Oncol Lett

journal_title

Oncology letters

authors

Song Z,Tan J,Fang J,Bian Q,Gu L

doi

10.3892/ol.2018.9813

subject

Has Abstract

pub_date

2019-02-01 00:00:00

pages

2344-2350

issue

2

eissn

1792-1074

issn

1792-1082

pii

OL-0-0-9813

journal_volume

17

pub_type

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