Masui. The Japanese journal of anesthesiology
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Spinal hematoma is a rare and serious complication anesthesia. Risk factors for spinal hematoma during neuraxial anesthesia are anatomic abnormalities, impaired hemostasis and difficult needle placement. ⋯ In order to reduce the risk of spinal hematoma in patients receiving heparin, it is recommended that the needle placement and catheter removal should be done when the anticoagulant effect of heparin is at the minimum. Postoperative evaluation of the neurological status is also important for early detection of a spinal hematoma.
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Knowledge and information were acquired from the results of the annual perioperative pulmonary thromboembolism (PPT) research from 2002 to 2004 by the Japanese Society of Anesthesiologists. Due to the popularization and use of prophylaxis, perioperative pulmonary thromboembolism (PPT) decreased significantly in 2004 compared to the years 2002 and 2003 (P < 0.001). The types of surgery with the highest incidence of PPT were hip/extremity surgery (7.48 per 10,000 cases), spinal surgery (6.30 per 10000 cases) and laparotomy (5.32 per 10,000 cases). ⋯ The proportion of obese men (20-40 yrs) with PPT was 2 fold higher, and in women (20-50 yrs) it was three fold higher, than that of the general population. In our investigation, the mortality rate of the PPT patient without prophylaxis was significantly higher than that of the patient with prophylaxis (P < 0.01). The predictive factors for death in our logistic regression were male gender, immobility, and lack of prophylactic treatment.
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A 27-year-old man underwent the right knee joint operation under general anesthesia with CLM. After the operation, he complained of taste disturbance of the left side of the tongue. ⋯ The taste threshold was elevated in the two nerve areas of the left side of the tongue (chorda tympani, N. glossopharyngeus) and the serum levels of zinc and iron were low. We concluded that he had been short of zinc and iron and the insertion of CLM had triggered taste disturbance.
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Noninvasive positive pressure ventilation (NPPV) has recently been applied to patients with left ventricular dysfunction. We report a female patient who showed low cardiac output syndrome and pulmonary hypertension after cardiac surgery. After tracheal extubation, she developed cardiogenic pulmonary edema associated with an increase in extravascular lung water (EVLW). ⋯ However, once we weaned her from NPPV EVLW increased and pulmonary edema was revealed. On post-operative day 9, we finally weaned her from NPPV when baseline value of EVLW became small, probably due to supportive therapy including afterload reduction. We suggest that, in patients with left ventricular dysfunction, NPPV should be considered and EVLW may be a useful parameter to adjust the support.
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New era in the prevention of venous thromboembolism (VTE) in Japan started in 2004 when the Japanese guideline for prevention of VTE was released by the editorial committee on the Japanese guideline for prevention of VTE and Japanese public health system began to cover the cost of physical prevention of VTE for hospitalized patients. The incidence of perioperative symptomatic pulmonary thromboembolism (PTE) significantly decreased in 2004 compared with 2003 and 2002 according to the results of the annual research for perioperative PTE by the Japanese Society of Anesthesiologists (3.62/10,000 cases in 2004, 4.41/10,000 cases in 2002, 4.76/10,000 cases in 2003). However, there has been no change in the mortality rate of perioperative PTE during these three years. This special issue was planned to introduce the panel discussion titled as "Up-to-date medical care for perioperative venous thromboembolism in Japan-Standardization of care for perioperative venous thromboembolism in Japan" in the 53rd annual scientific meeting of the Japanese Society of Anesthesiologists at Kobe in 2006.