Masui. The Japanese journal of anesthesiology
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It is more difficult to intubate the double-lumen bronchial tube into the left bronchus than the right bronchus, and it is more difficult in a left decubitus position than normal position. And it is most difficult in the flexional decubitus position. ⋯ We examined the cause of difficulty in intubation of the left bronchus in the decubitus position with 3DCT. We concluded that the cause is the increase in the size of the angle, and for the tube to be intubated in the left bronchus, the patient position must be changed from the flexional position.
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A 37-year-old woman without history of ischemic heart disease or any coronary risk factors was scheduled for caesarean section. Under spinal anesthesia, the patient's blood pressure (BP) decreased to 93/72 mmHg. Although 6 mg of ephedrine was administered intravenously, BP continued to decrease to 75/40 mmHg and she complained of nausea. ⋯ The anesthetic course was uneventful thereafter. This cardiac event seemed to be derived from coronary spasm caused by acute sympathetic stimulation. The observations in this case suggest that the possibility of intraoperative coronary spasm should be considered even in a healthy patient.
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Stickler's syndrome is an autosomal multisystem disorder accompanying characteristic midface hypoplasia, retromicrognathia, and cleft palate. Mandibular hypoplasia causes difficulties in mask ventilation and endotracheal intubation, especially in infants. A 7-month-old girl diagnosed as Stickler's syndrome was scheduled for the laparoscopic inguinal hernia repair. ⋯ Anesthesia was maintained with sevoflurane and remifentanil. The patient had an uneventful recovery and was discharged on the second postoperative day without any complications. Sevoflurane and remifentanil allow faster recovery from anesthesia and both have been recommended for patients with difficult tracheal intubation in a patient such as with Stickler's syndrome.
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Case Reports
[Case of tension pneumothorax associated with asthma attack during general anesthesia].
We report a case of tension pneumothorax associated with asthma attack during general anesthesia. An 86-year-old woman with dementia underwent cataract surgery under general anesthesia. At 70 min after the start of operation, airway pressure suddenly increased from 19 to 28 cm HO2O. ⋯ Chest drainage was immediately performed, after which Pa(O2) recovered soon. She was extubated on postoperative day 1 without any neurological disorder. Hyperinflation of fragile alveoli by mechanical ventilation was likely a cause of tension pneumothorax.
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The Japanese Society of Anesthesiologists (JSA) has maintained records of the annual incidence and characteristics of perioperative pulmonary thromboembolism (perioperative PTE) since 2002. The aim of this paper was to provide recent results of the JSA annual study conducted in 2008, and to determine the current factors that tend to prevent perioperative venous thromboembolism (VTE) in Japan. ⋯ The increase in the percentage of patients who received anticoagulant drugs around the time of the operation, and the decreased mortality of patients with perioperative PTE suggested that the prophylaxis for perioperative VTE with anticoagulant drugs reduces perioperative mortality.