Regional anesthesia should come on more quickly when the local anesthetic spreads circumferentially around the nerve. There is evidence for this with popliteal blocks, but not for blocks of the proximal sciatic nerve. The proximal sciatic nerve is the largest peripheral nerve. It is deeper and harder to visualize in the subgluteal region than the […]
Although traditional pulse oximetry is a standard monitor in anesthesia, it is limited in its ability to detect tissue hypoxia. Typical interventions used to increase SpO2 may not necessarily improve tissue oxygenation, particularly in ischemic organs. Regional oximeters measure a mix of arterial, capillary, and venous blood in brain or peripheral tissues. A new regional […]
Oxytocin is routinely administered during the third stage of labor for prophylaxis against postpartum hemorrhage, a leading cause of morbidity and mortality. If the uterus does not adequately contract in response to oxytocin administration, other drugs can be used. Second-line uterotonics include methylergonovine maleate, carboprost, and misoprostol. Which drugs are actually used? Dr. Brian T. […]
Though we might think of resuscitation as being a purely modern phenomenon, there’s evidence that some of the concepts of resuscitation have been known for more than 1,000 years. Were some of the concepts of resuscitation known as early as during the time of Greek mythology, however? Dr. Ilias I. Siempos, Department of Medicine, Division […]
If you slow down the sweep speed of your monitor and examine the waveform of the pulse oximeter you will see the respiratory variation. Indeed, one could argue that this should be the default display. Particularly if a patient is paralyzed and ventilation is controlled, the variation with ventilation is related to left ventricular […]
Is desflurane better than propofol for anesthesia maintenance in patients undergoing ophthalmic surgery?
Desflurane or propofol: which is better for wake-up time and PACU discharge? Few studies have compared wake-up times between total intravenous anesthesia (TIVA) with propofol administered using a target-controlled infusion system and desflurane in patients undergoing eye surgery. Dr. Chueng-He Lu, Department of Anesthesiology, Tri-Service General Hospital and National Defense Medical Center, Taipei, Taiwan, Republic […]