Journal of clinical anesthesia
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In the last decade, anesthesiologists have become increasingly involved in administering regional eye blocks, while providing care for patients undergoing ophthalmic surgery. This article describes the two major approaches to regional eye block, namely retrobulbar and peribulbar, with special consideration given to relevant orbital anatomy and technical guidelines. Potential complications, ocular and systemic, with their risk factors, are reviewed. Anesthesiologists wishing to acquire skill in administering safe regional blockade are encouraged to familiarize themselves with regional anatomy and specific guidelines suggested herein.
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Clinical Trial
Postoperative myocardial ischemia: etiology of cardiac morbidity or manifestation of underlying disease?
To determine the relationship between postoperative ST segment changes and clinically apparent cardiac morbidity in noncardiac surgery patients. ⋯ These observations suggest that clinically apparent cardiac events are associated with prolonged ST segment changes detected on ambulatory ECG recorders. The cardiac ischemia leading to prolonged postoperative ST segment changes may itself result in cardiac morbidity, or it may be a reflection of underlying pathophysiology.
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Randomized Controlled Trial Comparative Study Clinical Trial
Antiemetic efficacy of a droperidol-morphine combination in patient-controlled analgesia.
To evaluate the antiemetic effectiveness and side effects of adding low-dose droperidol to morphine delivered via a patient-controlled analgesia (PCA) device. ⋯ An intermittent intake of low-dose droperidol with morphine given via a PCA delivery system in two treatment groups gave evidence for a dose-response relation between the amount of droperidol added and the proportion of patients needing a rescue antiemetic. The same result applied to the proportion of patients having an emetic episode and the number of times a rescue antiemetic had to be administered. There was no evidence that the low dose of droperidol added to morphine delivered via a PCA device increased unwanted side effects.