Masui. The Japanese journal of anesthesiology
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We report a case of thoracoscopic pulmonary resection for pneumothorax in a patient with Becker muscular dystrophy The sensitivity of nondepolarizing muscle relaxant in a patient with muscle dystrophy is reportedly higher than in a patient without muscle disease, and the duration of the effect is known to be prolonged. In a 26-year-old man (height 160 cm, weight 39 kg) with Becker muscular dystrophy, general anesthesia was induced with target controlled infusion of propofol (3.0 microg x ml(-1)) and 0.4 microg x kg(-1) of min(-1) of remifentanil. A small amount of rocuronium was also administered additionally until TOF ratio reached to 0%. ⋯ The duration of surgery was 68 min. We confirmed 84% recovery of TOF ratio 90 min after injection of rocuronium, and extubated the patient without reversal of rocuronium. We found that the maximum concentration in the plasma or effective site (Cp/Ce) of rocuronium was reached at the time of intubation.
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The Japanese Society of Anesthesiologists (JSA) has investigated the incidence of postoperative pulmonary thromboembolism (PTE) for several years. ⋯ Our data suggest that the actual incidence of postoperative PTE in Japan may be far greater than that reported by the JSA.
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A 61-year-old woman with pulmonary lymphangioleiomyomatosis was scheduled for video-assisted thoracoscopic surgery for partial resection of the lung. The patient had micrognathism and a recent history of difficult airway management [difficult mask ventilation and intubation (Cormak grade III)]. ⋯ Therefore, a 32 Fr left-sided Blue Line endobroncheal tube was nasotracheally intubated using a fiberscope (3.1-mm diameter). Nasotracheal intubation with a 32F Blue Line endobroncheal tube can be a choice for patients with difficult airway when one lung ventilation is required.
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We experienced an incident of the stricture caused by the degradation of an O-ring in the oxygen outlet of the central piping. The event was identified by the intermittent decrease of the central piping oxygen supply pressure into the anesthesia machine. ⋯ The cyclical rhythm of the declining oxygen supply pressure means that oxygen supplies decreases with the increase of oxygen consumption, and it may be a sign of serious malfunction. Therefore, it is necessary to check the pressure deviations under use of high-flow oxygen.
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We report an obese patient who developed rhabdomyolysis after prolonged surgery in lateral decubitus position. A 55-year-old woman, with a body mass index of 29.3 kg x m(-2), underwent removal of an acoustic neurinoma in lateral decubitus position which lasted 20 hours. ⋯ There were elevated levels of serum creatinine phosphokinase, AST, ALT, and myoglobin in the urine. CT of the abdomen taken two days after the surgery suggested the presence of rhabdomyolysis of the transverse abdominal muscles.