Masui. The Japanese journal of anesthesiology
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Case Reports
[Anesthetic Management of Three Patients with Chronic Inflammatory Demyelinating Polyradiculoneuropathy].
Chronic inflammatory demyelinating polyradiculoneuropathy (CIDP) is a chronically progressing or relapsing disease caused by immune-mediated peripheral neuropathy. We report the anesthetic management of three CIDP patients who underwent elective orthopedic surgeries. Owing to the risk of neuraxial anesthetics triggering demyelination, general anesthesia was selected to avoid epidural or spinal anesthesia or other neuraxial blockade. ⋯ For tracheal intubation, under careful monitoring with peripheral nerve stimulators, minimal doses of rocuronium (0.6-0.7 mg x kg(-1)) were administered. When sugammadex was administered to reverse the effect of rocuronium, all patients rapidly regained muscular strength. Postoperative courses were satisfactory without sequelae.
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At our hospital, intending to obtaining an approval from the Joint Commission International (JCI), we conducted a workshop on sedation for all staff physicians. ⋯ The sedation lecture in the hospital was effective.
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A previously healthy 54-year-old woman underwent a resection of the acoustic tumor. Following induction of general anesthesia and tracheal intubation, volume-controlled ventilation was started and the patient was placed in the left park bench position. The heat and moisture exchange filter (HMEF) was placed within the ventilatory circuit and positioned below the patient's head to avoid unintentional extubation. Six hours after the start of surgery, peak inspiratory pressure gradually rose, and 2 hours later ventilation of the patient's lung became increasingly difficult. When the HMEF was replaced, normal breathing was promptly restored. ⋯ This case shows a potential risk of unexpectedly early occurrence of obstruction of the HMEF due to accumulation of condensed water within the device when the HMEF was positioned below the patient's head. We recommend selection of the appropriate HMEF and suitable mounting to avoid this problem.
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Case Reports
[Airway Management Utilizing an air-Q blocker in a Patient with Motor Neuron Disease and Soft Palate Paralysis].
A 67-year-old woman suffering from hoarseness or dysphagia was diagnosed with motor neuron disease. She was scheduled for laparoscopic cholecystectomy under general anesthesia for suspected gallbladder cancer. She was concerned about the exacerbation of her hoarseness or dysphagia from tracheal intubation. ⋯ Sealing pressure was over 20 cmH2O and mechanical ventilation was performed uneventfully during artificial pneumoperitoneum. We were able to deflate the stomach and perform tracheal suction via the inner hole of the air-Q. Following the operation, the patient developed neither hoarseness nor pharyngeal pain.
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Pentax-Airwayscope (AWS-S100) is useful for tracheal intubation, and a new version S200 has recently been introduced to clinical practice. We felt that S200 was more difficult than the S100 in attaching and detaching a single-use Introck blade. ⋯ It is necessary to apply lubricant to the distal part of the scope to prevent damage to the scope.