Masui. The Japanese journal of anesthesiology
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Case Reports
[Anesthesia for a woman with triplet pregnancy presenting with acute abdomen after the recent epidural blood patch].
We report a case of primipara with triplet pregnancy who underwent combined spinal and epidural anesthesia 10 weeks after epidural blood patch. At 15 weeks of gestation, a woman with triplet gestation underwent Shirodkar operation under spinal anesthesia and subsequent epidural blood patch as a treatment of post-dural puncture headache. At 26 weeks she presented with acute abdomen and laparotomy was scheduled. ⋯ Laparotomy revealed right paraovarian cyst torsion and the right salpingo-paraoophocystectomy was performed. Patient-controlled analgesia with epidural bupivacaine and fentanyl was effectively continued for two days. Postoperative course was uneventful and the triplets were delivered by cesarean section at 35 weeks.
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Case Reports
[Insertion of an epidural catheter from the surgical wound for postoperative analgesia--a case report].
A 62-year-old male was scheduled for discectomy for lumbar disc herniation. He had bronchial asthma, and his asthma was induced by nonsteroidal anti-inflammatory drugs. We decided to use continuous epidural block for postoperative analgesia. ⋯ It was easily placed at L 5-S 1 interspace using a Tuohy needle from the surgical wound, and the contrast medium 5 ml was injected through the epidural catheter to confirm the placement. After the surgery, continuous epidural block with local anesthetics was used for two days. He did not complain of severe pain postoperatively.
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A 74-year-old man was scheduled for coronary artery bypass graft surgery with cardiopulmonary bypass. After intravenous heparin (200 U.kg-1), the activated clotting time (ACT) increased from 124 to 436 sec. However, it decreased to 128 sec immediately after cardiopulmonary bypass. ⋯ Several recent articles have reported that heparin resistance was corrected with antithrombin III concentrates, fresh frozen plasma, or argatroban. In this case, these drugs could not be used because the mechanism of heparin resistance remains uncertain. Thus, the off-pump technique is useful for unknown heparin resistance.
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A 69-yr-old man underwent emergency laparotomy. He was in endotoxic shock. Preoperative evaluation including a full blood count, chest X-ray and ECG were normal. ⋯ He was discharged from the ICU on the 12th postoperative day. Postoperative Holter ECG and echocardiography showed no abnormalities. It is likely that stimulation of the trachea triggered vagovagal reflex and propofol prolonged AV conduction, causing the AV block.
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Target controlled infusion (TCI) for propofol allows anesthesiologists to target constant blood concentrations of propofol. However, the pharmacokinetic parameters in TCI system do not take account of the patient's age, make up and gender. We evaluated the relationship between body fat percentage and the estimated effect site propofol concentrations at awakening. ⋯ Male patients who have high percentage of fat have a tendency to delayed of awakening from propofol anesthesia. In female, however, no correlation was seen between percentage of fat and awakening time from propofol anesthesia. Measuring the percentage of fat might bring a new insight into pharmacokinetics of propofol.