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Revista mexicana de anestesiología
versión impresa ISSN 0484-7903
Resumen
LAZCANO-DIAZ, Emmanuel Adrián et al. Carotid endarterectomy in a patient with critical aortic stenosis. Importance of regional anesthesia and transoperative neurological monitoring. Rev. mex. anestesiol. [online]. 2023, vol.46, n.2, pp.140-143. Epub 28-Ago-2023. ISSN 0484-7903. https://doi.org/10.35366/110202.
Carotid stenosis occurs in 13% of patients with aortic valve stenosis. The risk of stroke in patients with significant carotid stenosis undergoing heart valve surgery may increase to 11%. Proposing a patient with critical aortic valve stenosis and left ventricular dysfunction to carotid endarterectomy is an anesthetic challenge, where the objective is to avoid hypotension and low cardiac output. Regional anesthesia is an option for these patients. Due to the high incidence of intraoperative stroke during carotid endarterectomy, continuous neurological monitoring is of relevance. We present the case of a 70-year-old man diagnosed with significant carotid stenosis and critical aortic valve stenosis and left ventricular dysfunction who underwent carotid endarterectomy with superficial cervical plexus block due to a high risk of circulatory collapse. In addition, this anesthetic strategy made it possible to keep the patient awake during surgery, and to continuously assess their neurological status. Likewise, transoperative changes in brain NIRS and transcranial Doppler were documented, which correlated with the patient’s clinical status. In a second time, aortic valve replacement was performed without complications. This case highlights the importance of regional anesthesia and neurological monitoring in patients undergoing carotid endarterectomy with high surgical risk due to critical aortic valve stenosis.
Palabras llave : carotid stenosis; aortic valve stenosis; regional anesthesia; transcranial Doppler.