Anaesthesia
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Data are presented for anaesthesia for Caesarean section (CS) in the South-west Thames region of the UK. The CS rate rose from 12.7% in 1987 to 24.2% in 2002. The rate of increase shows no sign of slowing. ⋯ This may limit the opportunities to teach other anaesthetic techniques. The rate of RA for emergency CS rose from 49.3% in 1992 to 86.7% in 2002. There is an unacceptable rate of failure of RA for both elective and emergency CS, 1.3% of RAs for elective CS and 4.9% of RAs for emergency CS were converted to general anaesthesia.
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In 50 morbidly obese patients, we quantified the soft tissue of the neck from the skin to the anterior aspect of the trachea at the vocal cords using ultrasound. Thyromental distance, mouth opening, limited neck mobility, modified Mallampati score, abnormal upper teeth, neck circumference and sleep apnoea were assessed as predictors of difficult laryngoscopy. ⋯ None of the other predictors correlated with difficult laryngoscopy. We conclude that an abundance of pretracheal soft tissue at the level of the vocal cords is a good predictor of difficult laryngoscopy in obese patients.
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This study surveyed the availability and current practice of renal replacement therapy on adult general intensive care units in the United Kingdom. Questionnaires were returned from 236 units (89%). Renal replacement therapy was provided by 212 (90%) of responding units, treating 9442 patients per year. ⋯ Continuous techniques are used by the majority of units, most commonly, continuous veno-venous haemofiltration, with an ultrafiltration rate of 2000 ml.h-1. Fifty-eight units (28%) use haemofiltration as adjuvant treatment in septic shock. The provision and practice of renal replacement therapy is now an integral part of intensive care medicine in the United Kingdom.
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Letter Case Reports
ProSeal exchange using a gum elastic bougie in the lateral body position.