Article Abstract

A comparison between laryngeal mask airway and endotracheal intubation for anaesthesia in adult patients undergoing NUSS procedure

Authors: Songsong Mao, Xiaojun Du, Jue Ma, Guangyan Zhang, Jianxiu Cui


Background: This study evaluates and compares the feasibility and safety of application of laryngeal mask airway (LMA) and endotracheal intubation (ETT) for anaesthesia in adult patients undergoing thoracoscopic surgery.
Methods: Sixty adult patients with pectus excavatum (PE) undergoing video-assisted thoracoscopic surgery for the NUSS procedure (VATS-NUSS) between September 2016 and March 2017 were selected and randomly separated into two groups with different methods of airway management. In one group, LMA was applied for general anaesthesia, and in the other group, ETT was used. The clinical parameters before, during and after the surgery in patients from both groups were collected from multiple data resources in a hospital. SPSS software was used for the analysis.
Results: Of all the selected patients, the physiological parameters showed similarity between the LMA and ETT groups, indicating consistency in the clinical characteristics of the study sample. Additionally, no significant differences were discovered between the two groups in terms of the anaesthesia and surgical time, peak PetCO2 during operation, anaesthetic satisfaction score, and amount of blood loss as well as inpatient time for recovery. However, with a similar level of anaesthesia effects and suitable parameters for mechanical ventilation, patients in the LMA group showed much more stability in the physiological indicators for inflammation and haemodynamics, including white blood cell count (ΔWBC) and percentage of neutrophil granulocytes (ΔNEU%) in the blood as well as heart rate (ΔHR) and mean arterial pressure (ΔMAP). Moreover, the LMA patients had a significantly shorter time for recovery of consciousness and food/water intake. Finally, compared to the ETT group, patients in the LMA group also had a significantly lower incidence of side effects induced by the anaesthesia procedure after surgery, such as gastrointestinal reactions, throat discomfort and hoarseness.
Conclusions: Compared with ETT, the application of LMA for general anaesthesia may demonstrate promising advantages in airway management for the VATS-NUSS procedure.

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