In this study, the incidence rates for cardiovascular and respiratory complications were very similar. The first postoperative day was crucial with regard to cardiovascular complications. Age and chronic pulmonary diseases were the common risk factors for cardiovascular and respiratory complications.
SummaryRecently, we described an adaptation of awake fibreoptic intubation that we call awake fibrecapnic intubation. The aim of this study was to evaluate the efficacy and risk of complications with this novel technique in a consecutive case series of head and neck cancer patients known to have difficult airways.We prospectively studied 40 consecutive intubations in head and neck cancer patients prior to a diagnostic or surgical procedure. Following topical anaesthesia, a flexible bronchoscope was introduced into the pharynx; spontaneous respiration was maintained in all patients. A special suction catheter was advanced into the airway through the suction channel of the bronchoscope for carbon dioxide measurements. When four capnograms were obtained, the bronchoscope was railroaded over the catheter and a tracheal tube was placed. All adverse events and complications were recorded.There were no complications associated with the technique. The median (range) time to intubation was 3 min (1.5-15 min). All patients were intubated successfully, 39 (98%) of them using awake fibrecapnic intubation. There was one patient with severe tumour bleeding and acute airway obstruction caused by advancement of the tube over the bronchoscope. This was not considered to be a complication of the fibrecapnic technique. Awake fibrecapnic intubation is a safe and valuable technique in head and neck cancer patients with a difficult airway. We recently described a novel intubation technique 'Awake Fibrecapnic Intubation' (AFcI) [1]. This technique was developed for the intubation of head and neck cancer patients with a difficult airway. It is an adaptation of fibreoptic intubation. A suction catheter is advanced through the working channel of the bronchoscope and repeated carbon dioxide measurements are possible. With this technique, safe intubation is possible when visibility of pharyngeal and laryngeal structures is limited or the anatomy is unrecognisable. In cases of severe airway obstruction, the suction catheter will enter the trachea before the tip of the bronchoscope occludes the airway. We wish to report a further 25 patients and describe some new findings and refinements to the technique.The aim of the current study was to evaluate the efficacy and risk of complications in a consecutive series of 40 intubations. The first 15 intubations that were previously described are included in this consecutive case series [1].
SummaryAwake fibreoptic intubation is the gold standard for difficult airway management but failures are reported in the literature in up to 13% of cases. In case of failure, a tracheotomy is often indicated. We describe a novel technique for intubation in head and neck cancer patients with a difficult airway that we call awake fibrecapnic intubation. The aim of this study was to investigate the feasibility of this technique. We studied prospectively 15 consecutive intubations in head and neck cancer patients before diagnostic or therapeutic surgical procedures. After topical anaesthesia, a fibrescope was introduced into the pharynx. Spontaneous respiration was maintained in all patients. Through the suction channel of the fibrescope a special suction catheter was advanced into the airway for carbon dioxide measurements. When four capnograms were obtained, the fibrescope was railroaded over the catheter and after identification of tracheal rings, a tracheal tube was placed. Tracheal intubation was successful in all patients without bleeding or complications, with a median (range) time to intubation of 3 (2-15) min. Identification of the vocal cords and glottis was difficult in four patients due to extensive anatomical abnormalities or poor visibility; even in these patients, a capnogram was obtained within 4 s.
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