European journal of anaesthesiology
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Randomized Controlled Trial Comparative Study
Prophylactic amiodarone versus lidocaine for prevention of reperfusion ventricular fibrillation after release of aortic cross-clamp.
Ventricular fibrillation is common after aortic cross-clamp release in patients undergoing open-heart surgeries. The aim of the study was to evaluate the efficacy of the prophylactic administration of 150 mg amiodarone by way of the pump 2 min before release of aortic cross-clamp in preventing ventricular fibrillation. ⋯ The present study showed no difference between amiodarone (150 mg) and placebo in preventing ventricular fibrillation after release of aortic cross-clamp. In addition, the use of lidocaine was able to reduce the incidence of ventricular fibrillation as compared with both amiodarone and placebo.
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Randomized Controlled Trial Comparative Study
Comparison of analgesic efficacy between bilateral superficial and combined (superficial and deep) cervical plexus block administered before thyroid surgery.
To evaluate the analgesic efficacy of bilateral superficial cervical plexus block and combined superficial and deep cervical plexus block for incision pain, headache and posterior neck pain after thyroidectomy. ⋯ Superficial cervical plexus block is a more effective technique than combined superficial and deep cervical plexus block to reduce the pain during and immediately after thyroidectomy.
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Letter Randomized Controlled Trial
Total plasma concentrations of bupivacaine, levobupivacaine and ropivacaine after combined psoas compartment-sciatic nerve block.
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Comparative Study
Comparison of electrical velocimetry and transthoracic thermodilution technique for cardiac output assessment in critically ill patients.
The results of studies validating the assessment of cardiac output by pulmonary artery thermodilution and a modified algorithm using thoracic bioimpedance/electrical velocimetry in patients undergoing elective cardiac surgery are conflicting. The present observational study was designed to detect whether electrical velocimetry measurements are comparable to transthoracic thermodilution in septic patients after major general surgery. ⋯ There was poor agreement between the values of cardiac output estimation by transthoracic thermodilution and those by electrical velocimetry. Electrical velocimetry could not replace invasive monitoring in this trial.
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Comparative Study
Balanced hydroxyethylstarch preparations: are they all the same? In-vitro thrombelastometry and whole blood aggregometry.
Haemostasis appears to be less altered with balanced than with unbalanced hydroxyethylstarch (HES) preparations. In a blinded in-vitro coagulation study, the effects of two HESs dissolved in different balanced solutions were measured. ⋯ Our in-vitro studies showed that extreme haemodilution with HES 130/0.42 dissolved in a balanced solution containing calcium was associated with less negative effects on thrombelastometry and platelet aggregation than HES 130/0.4 prepared in a balanced solution without calcium. Gelatin prepared in a nonbalanced solution showed similar effects on coagulation to balanced HES without calcium.