A 59-year-old patient with long-standing congestive heart failure and hypoxemia is scheduled for knee replacement. The most appropriate plan would be which option?

Prepare for the Hall Anesthesia Test. Study with interactive questions and detailed explanations. Ace your exam with confidence!

Multiple Choice

A 59-year-old patient with long-standing congestive heart failure and hypoxemia is scheduled for knee replacement. The most appropriate plan would be which option?

Explanation:
The situation calls for postponing until the patient can be medically optimized. A patient with long-standing congestive heart failure and hypoxemia undergoing major noncardiac surgery faces a high risk of perioperative decompensation. Anesthesia and surgery introduce hemodynamic and respiratory stresses—changes in preload and afterload, fluid shifts, potential hypotension, and increased myocardial oxygen demand—that can precipitate pulmonary edema, arrhythmias, or cardiac ischemia in someone with limited cardiac reserve and poor oxygenation. Elective knee replacement should be deferred until heart failure is optimized, oxygenation improves, and risk is acceptably lowered. The other plans add invasive monitors or specific anesthetic approaches that presume a stable or more favorable cardiac status. An arterial line with regional anesthesia could still provoke hypotension from sympathetic block in a patient with limited cardiac reserve. Intraoperative TEE is unnecessary for a noncardiac surgery and carries added risk. A pulmonary artery catheter or other invasive monitoring would be excessive and potentially harmful in this context, and would not address the root issue of needing safer optimization before proceeding.

The situation calls for postponing until the patient can be medically optimized. A patient with long-standing congestive heart failure and hypoxemia undergoing major noncardiac surgery faces a high risk of perioperative decompensation. Anesthesia and surgery introduce hemodynamic and respiratory stresses—changes in preload and afterload, fluid shifts, potential hypotension, and increased myocardial oxygen demand—that can precipitate pulmonary edema, arrhythmias, or cardiac ischemia in someone with limited cardiac reserve and poor oxygenation. Elective knee replacement should be deferred until heart failure is optimized, oxygenation improves, and risk is acceptably lowered.

The other plans add invasive monitors or specific anesthetic approaches that presume a stable or more favorable cardiac status. An arterial line with regional anesthesia could still provoke hypotension from sympathetic block in a patient with limited cardiac reserve. Intraoperative TEE is unnecessary for a noncardiac surgery and carries added risk. A pulmonary artery catheter or other invasive monitoring would be excessive and potentially harmful in this context, and would not address the root issue of needing safer optimization before proceeding.

Subscribe

Get the latest from Examzify

You can unsubscribe at any time. Read our privacy policy