Masui. The Japanese journal of anesthesiology
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A 75-year-old woman with primary pulmonary hypertension was on medical therapy and ambulatory oxygen inhalation therapy for 7 years. The patient had right femoral fracture and was admitted to our hospital. ⋯ One year after the surgery, she had left femoral fracture, and surgery was performed under spinal anesthesia using isobaric bupivacaine 6 mg with fentanyl 10 microg. With its minimal effects on hemodynamics, we speculate that spinal anesthesia using a low dose of isobaric bupivacaine can be a choice for patients with pulmonary hypertension.
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A 40-year-old man was scheduled for video assisted thoracoscopic surgery due to pneumothorax. He had been diagnosed with inclusion body myositis and received nocturnal non-invasive positive pressure ventilation. Anesthesia was induced with propofol, remifentanil, and rocuronium, and maintained with propofol, remifentanil and fentanyl. ⋯ Rocuronium 10 mg was administered in this case and we thought it could be antagonized by neostigmine, but extubation on the day of operation was impossible. We think this is not because of the residual effect of muscle relaxant, but because of decreases in pulmonary function. In this case, we expected long-term mechanical ventilation might be necessary, but he showed a good postoperative course owing to minimally invasive surgery, NPPV, and suctioning of sputum via Minitrach.
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[Effect of interscalene block on perioperative pain during arthroscopic rotator cuff repair (ARCR)].
There are some reports stating that interscalene block is effective in relieving perioperative pain during arthroscopic rotator cuff repair (ARCR), and we used this procedure for ARCR in our department since May 2011. ⋯ Single-shot interscalene block before ARCR reduced both blood pressure variability and the dose of fentanyl given during operation.
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Case Reports
[Insufficient sugammadex effect in an obese pregnant woman undergoing cesarean section under general anesthesia].
A 32-year-old pregnant woman (height 162 cm, weight 86 kg, age of fetus 25 weeks) without preoperative complications underwent an emergent cesarean section under general anesthesia. She was intubated with a 7.0-mm tracheal tube 40 s after receiving rocuronium 0.93 mg x kg(-1) and thiamilal 375 mg. Anesthesia was maintained with oxygen, air, sevoflurane 1.0-2.5%, and fentanyl 425 microg. ⋯ Fifteen minutes after sugammadex administration (train-of-four ratio 14%), she received atropine 0.5 mg and neostigmine 1.0 mg. Ten minutes later, the train-of-four ratio increased to 89%, and the patient was successfully extubated with no respiratory suppression. We speculate that the rocuronium dose (0.93 mg x kg(-1)) was too high in this obese patient, and sugammadex dose at the end of the surgery was not enough for reversal of rocuronium-induced neuromuscular blockade.