Masui. The Japanese journal of anesthesiology
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We evaluated the changes in the bispectral index (BIS) as a potential indicator of level of consciousness in infants and children undergoing fast track cardiac surgery. ⋯ BIS was kept within the level of adequate sedation during surgery. However, since the increase in BIS during the rewarming phase could reflect light anesthesia, caution should be taken around this phase.
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Randomized Controlled Trial Clinical Trial
[Effect of respiratory care on pulmonary function in patients after cardiopulmonary bypass].
Respiratory failure after cardiopulmonary bypass (CPB) remains one of the major complications after cardiac surgery. This study was designed to evaluate effects of respiratory care after CPB on pulmonary function. ⋯ Although pulmonary function deteriorated after CPB. PEEP could improve oxygenation in all the patients. There were no significant differences in the degree of these improvements between patients receiving PEEP of 5 cmH2O and patients with PEEP adjusted to their LIP. There was no significant relationship between preoperative pulmonary function and changes in oxygenation after CPB.
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Patient-controlled analgesia (PCA) provides effective postoperative analgesia. However, there are few reports concerning the adverse outcome of respiratory depression. ⋯ We conclude that careful monitoring with a pulse oximeter and giving oxygen are essential to prevent desaturation during early postoperative period.
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Case Reports
[Anesthetic management of two patients with Brugada-type ECG and of different clinical severity].
Brugada syndrome is an arrhythmia syndrome characterized by typical electrocardiogram (Brugada-type ECG) and development of ventricular fibrillation (Vf) without any distinct structural heart diseases. The essential goal in the management of Brugada syndrome is to avoid the development of Vf. ⋯ We recently experienced two cases of anesthetic managements for patients with Brugada-type ECG. Based on these experiences and recent cardiological progress on the risk stratification of Brugada syndrome, we thoroughly discuss on the peri-operative managements for patients with Brugada-type ECG.
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A 61-year-old female underwent resection of a giant thyroid tumor, and tracheal stenosis ensued. She had cough, dyspnea, and palpitation in the supine position. The giant thyroid tumor was of the size of 11 x 12 cm and the diameter of trachea was 8 x 6 mm at 3.5 cm below the vocal cord, at which point the trachea was the narrowest on cervical computed tomography. ⋯ The extracted thyroid tumor was 620 g in weight. A careful preoperative evaluation of the airway using ultrasonography, CT, MRI, laryngoscopy, bronchoscopy and respiratory function test, especially peak expiratory flow rate of the flow-volume curve is important in such a case of a giant thyroid tumor. Intubation under conscious sedation with midazolam and fentanyl is useful for a patient with a giant thyroid tumor and tracheal stenosis.