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Guidelines for Complications of Cancer Treatment Vol VIII Part B

Guidelines for Complications of Cancer Treatment Vol VIII Part B

Guidelines for Complications of Cancer Treatment Vol VIII Part B

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Risk factors Poor nutritional status and a low serum albumin.Pre/postoperative hemoglobin levelCo-morbid conditions such as diabetesPrevious chemoradiotherapyPyri<strong>for</strong>m sinus cancers requiring partial pharyngectomyor laryngeal cancers requiring an extended laryngectomywhere part <strong>of</strong> the pharyngeal mucosa is excisedPrevention Surgical technique is <strong>of</strong> utmost importance General principle is to per<strong>for</strong>m a tension free andvascularised anastomosis When indicated, use <strong>of</strong> pedicled or microvascular flapsto augment inadequate mucosa and achieve a tensionfree anastomosis There is no proven impact <strong>of</strong> the type closure (T vsVerical vs Horizontal), type <strong>of</strong> suture material used(vicryl vs catgut), pattern <strong>of</strong> closure (continuous vsinterrupted), initiation <strong>of</strong> feeding (late vs early) andpreoperative tracheostomy on PC fistula. In individuals with high risk factors, a levator scapulaemuscle rotation or a pectoralis major my<strong>of</strong>ascial flapmay be used to cover the exposed carotid arteries toprevent a carotid blowout.Management Majority <strong>of</strong> fistulae respond well to conservativemanagement. There is no consensus on duration <strong>of</strong> observationfollowing a PC fistula.204

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