Journal of clinical anesthesia
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Review Case Reports
Administration of high-dose aprotinin during nonprimary cardiovascular surgery: case reports and review of the literature.
The perioperative management of two patients undergoing complex "redo" cardiac surgical procedures are presented. The management of both patients included the prophylactic administration of aprotinin via a "compassionate use" protocol. ⋯ In late December 1993, the Food and Drug Administration approved aprotinin for administration to cardiac surgical patients considered at high risk for post-cardiopulmonary bypass coagulopathies. Indications for the administration of aprotinin, as well as a brief review of the literature relating to the perioperative administration of aprotinin, are included.
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To evaluate the clinical use of a new ECG-guided central venous catheter with regard to positioning in the superior vena cava (SVC). ⋯ Use of this wire-conducted intravascular ECG signal is a reliable tool for positioning the central venous catheter via various insertion sites. The technique proved to be an inexpensive, easy, and clear method. When a p-atriale is seen, uncomplicated insertions do not require radiologic guidance to control catheter tip position.
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During palatoplasty on a 9-year-old girl with no personal or familial history of malignant hyperthermia, the temperature monitor reported an increase in temperature. Additionally, the surgeon thought the patient's jaw muscle was in spasm. While preparations were made for treatment of malignant hyperthermia, the temperature probe was tested and found to be defective. ⋯ When the temperature probe was tested 6 days later, it was working properly. The cause of the problem may have been moisture in the connection between the probe and the exterior cable, which eventually evaporated. Decision algorithms can assist in such situations to distinguish between a medical problem and a mechanical problem with the monitor.
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Randomized Controlled Trial Comparative Study Clinical Trial
Serum and urine inorganic fluoride levels following prolonged low-dose sevoflurane anesthesia combined with epidural block.
To determine whether serum and urine inorganic fluoride levels with prolonged (more than 7 hours) low-dose (0.8 to 2.0 vol %) sevoflurane anesthesia plus epidural anesthesia were increased as compared with isoflurane anesthesia plus epidural anesthesia. To measure the urine tubular enzymes N-acetyl-beta-glucosaminidase (NAG), alpha 1-microglobulin (alpha 1-M), and beta 2-microglobulin (beta 2-M) for renal tubular injury in both groups. ⋯ There was no increase in urinary enzymes, which are indicators of tubular injury, specific to sevoflurane. There was no postoperative renal dysfunction, as indicated by unchanged serum creatinine and blood urea nitrogen levels.