About Susana Vacas, MD, PhD

Susana Vacas, MD, PhD, is a neuroanesthesiologist at Massachusetts General Hospital. She completed her postdoctoral work at the University of California, San Francisco, where her research focused on the underlying mechanisms and risk factors of perioperative neurocognitive disorders. Dr. Vacas seeks to improve perioperative brain health and overall patient outcomes after surgery by blocking and/or alleviating exacerbated inflammation and brain lesions. Her work deploys emerging technologies to improve patient outcomes, whether through innovative benchwork techniques, the creation of molecular targets, extensive cognitive assessment models, or new MRI tools. She takes great pride in teaching and mentoring residents, research fellows and medical students throughout the world.

Clinical Interests:



Medical Education

  • MD, Universidade Nova de Lisboa
  • Residency, Centro Hospitalar Lisboa Norte, Hospital Santa Maria, EPE, Servi?o de Anestesiologia
  • Fellowship, University of California San Francisco

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Dr. Vacas seeks to understand the mechanisms that lead vulnerable populations to develop perioperative neurocognitive disorders so as to improve perioperative brain health.


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