European journal of anaesthesiology
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Review Practice Guideline
Regional anaesthesia and antithrombotic agents: recommendations of the European Society of Anaesthesiology.
performing neuraxial anaesthesia in patients receiving antithrombotic drugs is controversial due to the increased risk of spinal epidural haematoma. Strict adherence to the recommended time intervals between the administration of anticoagulants, neuraxial blockade and the removal of catheters is thought to improve patient safety and reduce the risk of haematoma. Appropriate guidelines have been prepared by a number of national societies of anaesthesiologists, but they do not have universal acceptance. The introduction of new anticoagulants together with recent reports of stent thrombosis in patients with perioperative cessation of antiplatelet drugs have considerably broadened the issue and made revision necessary. To overcome deficiencies in content and applicability, the European Society of Anaesthesiology has taken the initiative to provide current and comprehensive guidelines for the continent as a whole. ⋯ in order to minimise bleeding complications during regional anaesthetic techniques, care should be taken to avoid traumatic puncture. If a bloody tap occurs when intraoperative anticoagulation is planned, postponing surgery should be considered. Alternatively, catheters can be placed the night before surgery. Regional anaesthesia in patients receiving full anticoagulation treatment continues to be contraindicated. Catheter manipulation and removal carry similar risks to insertion and the same criteria should apply. Appropriate neurological monitoring is essential during the postoperative recovery period and following catheter removal. The final decision to perform regional anaesthesia in patients receiving drugs that affect haemostasis has to be taken after careful assessment of individual risks and benefits.
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Comment Letter Case Reports
Masseter spasm after induction of general anaesthesia using propofol and remifentanil.
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Randomized Controlled Trial Comparative Study
Antiemetic efficacy of metoclopramide and diphenhydramine added to patient-controlled morphine analgesia: a randomised controlled trial.
the objective of this study was to assess whether antiemetic drugs metoclopramide and diphenhydramine, administered together as opposed to alone, can have better efficacy in preventing postoperative nausea and vomiting when added to patient-controlled morphine analgesia. ⋯ results of this study showed that a combination of metoclopramide with diphenhydramine in patients treated with dexamethasone at anaesthesia induction decreased postoperative nausea and vomiting compared to metoclopramide or diphenhydramine in these patients, when added to patient-controlled anaesthesia with morphine.
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Randomized Controlled Trial Comparative Study
Supplemental oxygen reduces serotonin levels in plasma and platelets during colorectal surgery and reduces postoperative nausea and vomiting.
it has been shown that supplemental oxygen reduces the incidence of postoperative nausea and vomiting (PONV) in patients undergoing colon surgery. Serotonin is a potent trigger of PONV. Theoretically, supplemental oxygen decreases gut ischaemia during surgery and in this way minimizes the release of serotonin. We investigated the release of serotonin during and after colorectal surgery with normal and supplemental oxygen administration. ⋯ an inspired oxygen fraction of 0.8 reduces serotonin levels significantly and decreases PONV significantly in patients undergoing colon surgery.