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International Bulletin of Otorhinolaryngology

Laryngeal mask ventilation during flexible bronchoscopy

Ts. Marinov, M. Belitova, B. Dimitrova, M. Gaydarova, J. Kasaboglu, T. Popov

Abstract

Introduction: For many years flexible bronchoscopy has been a mainstay for airway inspection, the diagnosis of airway lesions, therapeutic aspiration of airway secretions, and transbronchial biopsy to diagnose parenchymal lung disorders. Anesthesia for bronchoscopy poses unique challenges for the anesthesiologist. There is a general tendency towards using supraglottic devices in ENT surgeries.
The Aim of the study is to determine and characterize the specifics and complications of LMA use during flexible bronchoscopy. 
Materials and methods: A 2-years prospective cohort study of 20 patients who underwent flexible bronchoscopy in the Department of ENT Surgery; University Hospital „Queen Giovanna”– ISUL; Medical University-Sofia. 
Results and discussion: Mean age of the patients included in the study is 5.4 years. A predominance of male sex is observed: women – 35%, men – 65%. Most patients have low preoperative ASA grades. None of the patients suffered desaturation during the operation. LMA displacement and need for repositioning by the anesthesiologist was observed in 5% of the patients. In all patients ETCO2 values are in the normal range. Ten percent (10%) of the patients experienced postoperative nausea and vomiting. In none of the cases we observed aspiration under the LMA and laryngospasm.
Conclusion: The results from the study showed that LMA can be successfully and safely used in patients during flexible bronchoscopy.

Keywords

Flexible bronchoscopy, ventilation, laryngeal mask airway

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DOI: http://dx.doi.org/10.14748/orl.v20i4.10368

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