Journal of clinical anesthesia
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Clinical Trial
Pulmonary aspiration in pediatric patients during general anesthesia: incidence and outcome.
To determine the incidence of, outcome of, and risk factors for anesthesia-related pulmonary aspiration in the predominantly pediatric population receiving anesthesia care. ⋯ The overall incidence of anesthesia-related aspiration in our series (0.10%) was twice that reported in studies of adults, and four times (0.25%) higher for those at highest risk (ASA physical status III or IV vs. physical status I or II). Anesthesia-related pulmonary aspiration was proven to be a rare event in this tertiary pediatric center and its consequences relatively mild. Because of the very low frequency and the lack of serious outcome after aspiration in ASA physical status I and II pediatric patients, it appears that routine prophylactic administration of histamine blockers or propulsive drugs in healthy pediatric patients is unwarranted.
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To ascertain patients' recall of the risks of labor epidural analgesia from a discussion of informed consent during active labor. ⋯ Recall of risks by parturients is similar to the recall of risks by other patients, and it does not appear to be affected by parity or the reported level of pain.
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Case Reports
Subcutaneous morphine is superior to intrathecal morphine for pain control in a patient with hypernephroma.
This case report illustrates differences in analgesia quality and morphine consumption between an intrathecal infusion and the subcutaneous instillation of morphine in a cancer patient with hypernephroma. Superior analgesia was obtained with a 450 mg dose of subcutaneous morphine [i.e., visual analog scale (VAS) score 0/10] than with 10 mg intrathecal morphine/day administered at the thoracolumbar (twelfth dorsal vertebra) level (VAS score 2/10). If the instillation occurs at the lumbosacral level (between the last lumbar and the first sacral vertebra), a dosage of 70 mg morphine/day cannot induce the same pain relief as 450 mg subcutaneous morphine (VAS score 5/10 vs. 0/10). In some cancer patients, subcutaneous morphine offers superior pain control than intrathecal morphine.
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Muscle relaxant pharmacophysiology can be altered in various clinical situations. We report increased requirement of vecuronium in a patient diagnosed with testicular feminization. Increased level of endogenous testosterone and steroidal-core structure of vecuronium may explain the increased tolerance to vecuronium in this patient.