Memorial Sloan Kettering Cancer Center
The purpose of this study is to understand changes in heart function (how the heart pumps blood) and blood flow in people who receive general anesthesia during surgery. The researchers are particularly interested in the heart function and blood flow changes in people who experience low blood pressure (hypotension) after receiving anesthesia.
Inclusion Criteria: * Adult patients ≥ 18 years of age requiring general anesthesia for surgery * Intubation required for anesthetic management / surgery * Anticipated prep time before incision of 20 minutes * Baseline MAP \>70mmHg Exclusion Criteria: * History of coronary artery disease * History of cardiac disease (e.g., HTN, arrythmias, valvular and structural abnormalities) * History of peripheral artery occlusive disease * Beta-blocker use * Anti-hypertensive medication use * Patients with epidural, spinal, paravertebral, serratus blocks preoperatively * Patients requiring rapid sequen…
Echocardiography and non-invasive blood pressure (NIBP) cuff to measure blood pressure- in anywhere between 2.5 - 5 minute increments before, immediately after anesthesia induction and after intubation for up to 20 minute.
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