Masui. The Japanese journal of anesthesiology
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A new programmable syringe infusion pump, Auto Syringe Model AS 40 A, was evaluated for infusion of muscle relaxants, vasodilators and opioids in 4 surgical patients. Every drug mentioned above was easily adjusted according to surgical requirement in these patients. ⋯ Its major advantages lie in the mechanisms for delivery of a bolus dose and automated delivery of intermittent doses, automatic rate calculation, and the applicability to various sizes of syringes. Auto Syringe Model AS40A was found to be very useful for intravenous infusion of drugs.
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We anesthetized a patient who received an emergency internal carotid artery ligation. Regional cerebral oxygen saturation (rSO2) was measured with near infrared spectroscopy (NIRS) during the whole anesthetic course. The sensor was placed on the left forehead of the patient. ⋯ However, cerebral infarction in the middle cerebral artery region, the onset of which remained unclear, was revealed postoperatively, regardless of a stable rSO2 during the operation. This monitor may provide useful information regarding the cerebral circulation during the operation in such a case as the present one, but this monitor reflects only the oxygenation of the region on which the sensor was placed. Thus, we should keep in mind the limitation in detecting cerebral dysfunction using NIRS.
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According to the roentgenographically confirmed intervertebral space at which an epidural catheter was placed, 241 patients who underwent abdominal or orthopedic hip surgery were allocated into 3 groups. Groups A, B, and C received epidural catheterization at Th7-10, Th10-L1, and L1-4, respectively. In each group, we examined the intervertebral space, which the anesthesiologist who had placed epidural catheter had determined, and the one which had been confirmed roentgenographically. ⋯ In contrast, when we counted down from the cervical prominent vertebra, a landmark of C7, the agreement was better in group A (55%) than in group C (33%). In the postoperative period, catheters came out more frequently in groups A and B than in group C, resulting from the early ambulation in abdominal surgery groups. There results suggest that, to place the epidural catheter more properly, (1) we should start to count from the landmark which is close to the puncture point and (2) we should keep it in mind that catheters come out accidently in patients who are encouraged to ambulate in the early postoperative period.
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Randomized Controlled Trial Clinical Trial
[Skillfulness is essential to improve venipuncture pain in combination with lidocaine containing adhesive tape].
We evaluated the effect of lidocaine containing adhesive tape (LT) on the venipuncture pain by using visual analogue scale (VAS). Patients were assigned prospectively to a control (65 cases) group and a LT (80 cases) group weekly. LT was applied 30 min before the scheduled entry into the operating room. ⋯ Smooth venipuncture was performed in 91% of those in expert group. However only 71% of venipuncture was done smoothly in the novice group. We conclude that skillful venipuncture in combination with LT is essential to reduce the venipuncture pain.
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Randomized Controlled Trial Clinical Trial
[Possibility of rice porridge for preoperative feeding in children].
To determine the effect of rice porridge feeding before elective surgery on preoperative gastric fluid pH, volume and starvation, a prospective study was undertaken in pediatric patients. Twenty healthy children ranged in age from 5 to 12 years were allocated randomly to either a fasted or rice porridge group. The children of fasted group (control group) were allowed to take solid food until midnight before the operation. ⋯ There were no significant differences between the two groups concerning the gastric fluid volume and pH. The patient of the study group complained of less hunger. Preoperative rice porridge feeding is a possible preoperative feeding for pediatric patients.