Abstract
PURPOSE: Optimal dosage and strength of topical lignocaine that should be used during fibre-optic bronchoscopy (FOB) has long been controversial. The British Thoracic Society (BTS) guidelines on diagnostic FOB recommends maximum dosage of 8.2 mg/kg body weight. Control of cough is most important for quality of bronchoscopy. However, cough suppression, using higher dose of lignocaine has its own problems. In this study, authors compared the efficacy of 1% lignocaine(Gr-A) vs 2% lignocaine(Gr-B) in controlling cough, as measured on visual analogue scale (VAS), cough severity score and cough frequency score.
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