Post-Surgery Effects of Cardiovascular Anesthesia


An irregular heartbeat followed by surgery known as post-operative atrial fibrillation often is dismissed as a transient phenomenon. But POAF can significantly increases the risk of heart attack or stroke during the first 12 months after surgery mostly cardiovascular surgery.
Atrial Fibrillation is an atrial arrhythmia characterized predominantly by uncoordinated atrial activation with consequent deterioration of atrial function.
Atrial fibrillation is caused due to:
  •          Hypertension
  •          Ischemic Heart Disease
  •          Restrictive cardiac myopathy
  •          Cardiac Tumors
  •          Pulmonary hypertension
  •          Obesity

·         Thoracic and Cardiovascular Surgery:

Patients developing AF following cardiac surgery are at increased risk of stroke, congestive heart failure, and haemodynamic instability. Postoperative AF is invariably associated with increased intensive care unit stays and prolonged hospitalizations and is responsible for significant patient morbidity and health care expenditures, clinical postoperative AF and the evidence available on the efficacy of treatment strategies. The following is a concise review of postoperative AF as well as an an evidence-based approach to the management of AF after surgery.

Clinical Risk Factors:

These risk factors include:
  •          Advanced age
  •          Concomitant valve surgery
  •          A prior history of AF
  •          Congestive heart failure
  •         Left atrial enlargement
  •          Decreased left ventricular function
  •          Postoperative withdrawal of β-adrenergic blockade

  •          Chronic obstructive pulmonary disease, and P wave duration on ECG.

Cardiologist's interventional and surgeons "medical" therapies have become more invasive and the surgical treatments have become less so, in the patients.


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