Masui. The Japanese journal of anesthesiology
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Comparative Study
[Leakage in anesthesia circuits--a comparison between 1998 and 2005 investigations].
We checked for the occurrence of any leakage in an anesthesia circuit to estimate the present situation of airtightness of an anesthesia circuit in 55 anesthesia machines at various medical institutions in Okinawa. ⋯ Most instances of leakage of the above described anesthesia circuits were identified in the corrugated breathing tube and canister. As a result of our findings, we strongly recommend that these parts be checked very carefully during pre-anesthetic leak tests.
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Thermometers widely used intraoperatively are invasive and non-hygienic. We developed an earphone-type infrared tympanic thermometer and evaluated its usefulness as a core temperature monitor. ⋯ The earphone-type tympanic thermometer can be used in a clinical setting as a reliable core temperature monitor.
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Dexmedetomidine (DEX), a highly selective alpha2-adrenergic receptor agonist, has sedative and analgesic properties with minimal respiratory depression. We retrospectively evaluated the hemodynamic effects of dexmedetomidine in pediatric patients following cardiac surgery. ⋯ DEX had little effect on blood pressure in patients after cardiac surgery. DEX, however, had a tendency to decrease HR. Therefore, it shoud be used with caution in patients with low heart rate.
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A 23-year-old man with xeroderma pigmentosum underwent laparoscopic cholecystectomy. He experienced transient worsening of the neurological symptom after anesthesia with volatile agents in the previous surgery. ⋯ From these two anesthesia experiences in one patient, we suggest that TIVA is more appropriate than anesthesia with volatile agents as a method for general anesthesia for xeroderma pigmentosum patients. Minimum usage of muscle relaxants under the monitoring of neuromuscular blockade is also recommended, since xeroderma pigmentosum patients are sensitive to muscle relaxants due to the neuronal dysfunction and muscle
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Pentax-AWS (AWS) (Pentax, Japan) is a rigid video laryngoscope with built-in 2.4 inch color CCD monitor paired with a disposal blade. It is developed for management of both normal and difficult airways. We used AWS in a 68-year-old male patient with known (Cormack grade 3a) difficult airway. ⋯ Visualization of the patient's vocal cords was achieved easily (with POGO score 70%). The AWS's suction channel was alternatively used for topical anesthesia route with 10 Fr suction tube, and 4% lidocaine was injected onto the vocal cords. Tracheal intubation was successful uneventfully, and the patient's airway was secured without any postoperative complication.