European journal of anaesthesiology
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In the management of adult respiratory distress syndrome pressure limited mechanical ventilation may protect the lungs from overdistention injury. Unacceptable hypoxia may be avoided by adding nitric oxide to the inspiratory gas, and thus make pressure limited ventilation easier to perform. There exists no consensus about an acceptable lower limit of SaO2, and in the present case we gave preference to pressure limitation at the cost of oxygenation. ⋯ After 3 days, she started to improve. In conclusion, it seems that hypoxia might be well tolerated as long as the circulation is not compromised. It might prove beneficial to accept some hypoxia to avoid ventilator induced lung damage.
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Randomized Controlled Trial Clinical Trial
Assessment of ondansetron and droperidol for the prevention of post-operative nausea and vomiting after cholecystectomy and minor gynaecological surgery performed by laparoscopy.
The anti-emetic effects of ondansetron and droperidol were evaluated in 134 ASA Grade I and II female patients, scheduled for laparoscopic cholecystectomy and minor gynaecological laparoscopic surgery, who were randomly assigned to receive ondansetron 4 mg or droperidol 75 micrograms kg-1 intravenously immediately after induction of anaesthesia. The patients were assessed 1, 6, 12 and 24 h after surgery for intensity of nausea and number of vomiting episodes. ⋯ The patients treated with ondansetron experienced a lower intensity of nausea (P = 0.04) after laparoscopic cholecystectomy, less frequent severe nausea (P = 0.02) and episodes of vomiting (P = 0.04) when compared with those in the droperidol group. We conclude, that despite the result the droperidol prophylaxis appears to be an effective alternative to ondansetron in all patients undergoing laparoscopy, the ondansetron prophylaxis is superior to droperidol in patients undergoing laparoscopic cholecystectomy.
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Randomized Controlled Trial Comparative Study Clinical Trial
A clinical comparison of ropivacaine 0.75%, ropivacaine 1% or bupivacaine 0.5% for interscalene brachial plexus anaesthesia.
In order to compare interscalene brachial plexus block performed with ropivacaine or bupivacaine, 45 healthy, unpremedicated patients, undergoing elective shoulder surgery, were randomly allocated to receive interscalene brachial plexus anaesthesia with 20 mL of either ropivacaine 0.75% (n = 15), ropivacaine 1% (n = 15), or bupivacaine 0.5% (n = 15). Readiness for surgery (loss of pinprick sensation from C4 to C7 and inability to elevate the limb from the bed) was achieved later with bupivacaine 0.5% (28 +/- 15 min) than with ropivacaine 1% (10 +/- 5 min) (P = 0.005) and ropivacaine 0.75% (15 +/- 8 min) (P = 0.0005). ⋯ The time from the block placement to first request for pain medication was similar in the three groups (10.7 +/- 2 h, 11 +/- 2.4 h, and 10.9 +/- 3.9 h after 0.75% and 1% ropivacaine or 0.5% bupivacaine, respectively). We conclude that interscalene brachial plexus block performed with 20 mL of either 0.75% or 1% ropivacaine allows for a prolonged post-operative pain relief, similar to that provided by bupivacaine 0.5%, with short onset time of surgical anaesthesia.
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Case Reports
Continuous spinal anaesthesia/analgesia for abdominal aortic aneurysm repair and post-operative pain management.
The intra-operative management of two patients with chronic obstructive pulmonary disease and cardiovascular pathology, who underwent peripheral reconstructive vascular surgery under continuous spinal anaesthesia, is described. Furthermore, continuous intrathecal analgesia was also continued in the post-operative period and provided effective pain relief that was reflected by the favourable surgical outcome.
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Randomized Controlled Trial Comparative Study Clinical Trial
Droperidol and dimenhydrinate alone or in combination for the prevention of post-operative nausea and vomiting after nasal surgery in male patients.
Droperidol and dimenhydrinate are inexpensive antiemetic drugs. Droperidol, especially, has been studied extensively, but there are no studies on the combination of both drugs for prevention of post-operative nausea and vomiting. One hundred and forty male hospitalized patients undergoing nasal surgery were randomized to receive one of four anti-emetic regimes: placebo, dimenhydrinate (1 mg kg-1), droperidol (15 micrograms kg-1), or the combination of both drugs (droperidol 15 micrograms kg-1 + dimenhydrinate 1 mg kg-1) administered after induction of anaesthesia. ⋯ The incidence of side effects was similar in the four groups. Dimenhydrinate was ineffective in reducing the incidence of post-operative nausea and vomiting and droperidol only reduced the severity of post-operative nausea and vomiting. However, the combination of both drugs significantly reduces the incidence of post-operative nausea and vomiting when compared with placebo treatment.