Masui. The Japanese journal of anesthesiology
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Thirty-one nurses in the surgical ward engaged in delivering postoperative analgesia using patient-controlled analgesia (PCA) were asked to complete questionnaires on postoperative analgesia and PCA. Ninety-seven per cent of respondents agreed that the postoperative analgesia is beneficial for postoperative recovery, and answered that the desirable goal in postoperative analgesia is "no pain at rest". Not only "pain at movement" or "pain on coughing", but also "decreased conscious level while analgesia is achieved" were selected as undesirable conditions during postoperative course. ⋯ In addition, 65 per cent of respondents chose PCA as a method for postoperative analgesia when they receive thoraco-abdominal surgery. On the other hand, some problems on pain management using PCA, such as taking care of patients' ambulation with carrying a PCA pump, extra time for instruction of PCA and extra support for patients' psychological state were listed. In conclusion, these results suggest that PCA is accepted as an excellent method for postoperative analgesia among our nurses in the surgical ward, and education in postoperative pain management including PCA is required in nursing school as well as after graduation.
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Randomized Controlled Trial Clinical Trial
[Continuous epidural administration of droperidol for the prevention of postoperative nausea].
Continuous antiemetic effect of epidural droperidol was evaluated by prospective, double-blinded study using 145 ASA physical status I-II patients undergoing major gynecological surgery. All patients received bolus epidural infusion of buprenorphine at the end of the operation and continuous epidural infusion of buprenorphine for 48 hours. Patients were divided into 3 groups, 49 patients of Group I received placebo, 50 patients of Group II received only bolus doses of droperidol 2.5 mg and the remaining 46 patients of Group III received continuous epidural infusion of droperidol 10 mg in 48 hours. ⋯ The incidence of emesis was significantly lower in Group III (P < 0.05) as compared with Group I and II 48 hr after the operation. Extrapyramidal side effects and sedative effects were not observed in any patients. The continuous epidural administration of droperidol is effective in prevention of postoperative nausea and vomiting and the effect lasts during its infusion with no side effects.
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Comparative Study
[The influence of baricity on differential blockade with 0.5% bupivacaine spinal anesthesia].
We evaluated the influence of baricity on differential blockade during spinal anesthesia using isobaric or hyperbaric 0.5% bupivacaine. Forty ASA-PS I-II patients scheduled for elective surgery (orthopedic, lower abdominal and urologic) were divided into two groups; group H, using hyperbaric 0.5% bupivacaine, and group I, using isobaric 0.5% bupivacaine. Spinal anesthesia was performed in lateral decubitus position, using a 25-gauge Quincke needle at L2-3 interspace, and 0.5% bupivacaine 2.0 ml was injected for 10 seconds. ⋯ Complete motor blockade was detected by modified Bromage scale. Significant higher sensory blockade and large number of complete motor block were observed in group H. Differential blockade between sympathetic and sensory was significant and lasted 30 min in group I, but lasted only 15 min in group H.
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We experienced 87 anesthetic managements of 26 patients with first and second brachial arch syndrome in the past 20 years. We analyzed retrospectively the occurrence of difficulty in tracheal intubation with these patients. The incidence of difficult intubation was as high as 39.5% of the cases. ⋯ We examined the correlation among classification of mandibular hypoplasia (Pruzansky classification), the fusion of cervical spines and the degrees of difficulty in intubation for 16 patients who had had radiographs of skull, but we found no correlation among them. But in all the 3 patients with the fusion of cervical spines, intubation was difficult. Therefore, we must perform radiographic assessment of the fusion of the cervical spine.
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The Committee on Operating Room Safety of Japanese Society of Anesthesiologists (JSA) sends annually confidential questionnaires of perioperative mortality and morbidity to Certificated Training Hospitals of JSA. This report is on perioperative mortality and morbidity in 1999 with a special reference to anesthetic methods. Four hundred and sixty-seven hospitals reported the number of cases referred to anesthetic methods and total numbers of cases were 727,723. ⋯ On the other hand, the mortality rates of cardiac arrest per 10,000 cases totally attributable to anesthesia are estimated to be 0.08 case in average, 0.09 case in inhalation anesthesia, 0.27 case in TIVA, 0.05 case in inhalation anesthesia plus epidural or spinal or conduction block, zero case in TIVA plus epidural or spinal or conduction block, zero case in CSEA, 0.57 case in epidural anesthesia, zero case in spinal anesthesia, conduction block and other methods. The outcomes of cardiac arrest totally attributable to anesthesia are 70.2% of full recovery without any sequelae, 10.5% of death within 7 days, 1.8% of vegetative state and 17.5% of unknown results while the outcome of critical events including severe hypotension and severe hypoxia totally attributable to anesthesia is 94.9% of full recovery without any sequelae, 0.4% of death within 7 days, 0.2% of vegetative state and 4.5% of unknown results. These results indicate that there are no differences in mortality and morbidity totally attributable to anesthesia among anesthetic methods in 1999 at Certificated Training Hospitals of Japan Society of Anesthesiologists.