A&A practice
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Case Reports
Pulsatile Femoral Vein Doppler and Congestive Delirium, What Is the Relationship?: A Case Report.
Delirium is common in patients undergoing cardiac surgery, and venous congestion has been reported as an important risk factor. We report a 69-year-old patient who developed postoperative delirium in the intensive care unit following aortic valve replacement surgery. The postoperative course was complicated by delirium for which echographic signs of venous congestion on the portal and the renal but also the femoral veins and their resolution correlated with the course of delirium. The use of common femoral vein Doppler as a simple bedside technique to predict and identify congestive delirium has not been reported before.
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This report describes a patient with Goldenhar syndrome undergoing anesthesia for whom Macintosh videolaryngoscopy failed, as the epiglottis was adhered to the posterior pharynx and could not be lifted with a tracheal introducer (Cormack-Lehane grade 3B). Hyperangulated videolaryngoscopy revealed only the arytenoids (Cormack-Lehane grade 2B), even after direct lifting of the epiglottis, and endotracheal tube advancement failed due to unclear tissue resistance. Hyperangulated videolaryngoscopy was combined with a tube-mounted camera (VivaSight single lumen tube). The combination of both camera perspectives was successfully used to allow placement of the endotracheal tube underneath the epiglottis and through the vocal cords.
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Review Case Reports
Cardiac Arrest Following Remimazolam-Induced Anaphylaxis: A Case Report.
Remimazolam is a recently approved benzodiazepine sedative. We report a case of a 72-year-old man who experienced a cardiac arrest due to severe anaphylaxis immediately after general anesthesia induction. ⋯ Although remimazolam is structurally similar to midazolam, the patient was not allergic to midazolam as demonstrated before and after anaphylaxis. This report highlights the potential risk of allergic reactions to remimazolam.
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Case Reports
An Unexpected Magnet Response of a Biotronik Pacemaker in Automatic Mode: A Case Report.
In patients with cardiovascular implantable electronic devices, asynchronous pacing is necessary for surgeries with a risk of electromagnetic interference. Magnets are often used for asynchronous pacing. In this case report, magnet application to a Biotronik Evia DR-T pacemaker (Biotronik) programmed to a magnet response mode called automatic magnet mode (AUTO) led to a brief period of asynchronous pacing before reverting to prior settings, an unexpected response that was not revealed on the preoperative interrogation report. For Biotronik pacemakers programmed to the AUTO mode, changes in programming are needed for asynchronous pacing.