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Related Experiment Videos

Deep venous thrombosis. Implications after open heart surgery.

G A DeLaria1, J A Hunter

  • 1Department of Cardiovascular-Thoracic Surgery, Rush-Presbyterian-St. Luke's Medical Center, Chicago.

Chest
|February 1, 1991
PubMed
Summary

Deep vein thrombosis (DVT) and pulmonary embolism (PE) are rare after open heart surgery (OHS). Routine prophylaxis is not needed, but high-risk patients benefit from aggressive diagnosis and potential IVC interruption.

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Area of Science:

  • Cardiology
  • Vascular Surgery
  • Thrombosis Research

Background:

  • Deep vein thrombosis (DVT) and pulmonary embolism (PE) are potential complications following cardiac surgery.
  • Understanding the incidence and risk factors for these events is crucial for patient management.

Purpose of the Study:

  • To determine the incidence of DVT and PE in patients undergoing open heart surgery (OHS).
  • To identify risk factors associated with PE after OHS.
  • To evaluate treatment strategies for DVT and PE in this patient population.

Main Methods:

  • Retrospective review of 10,638 cardiac surgical patient cases.
  • Analysis of DVT and PE incidence, patient demographics, and treatment outcomes.
  • Statistical analysis to identify risk factors for PE, including blood type and comorbidities.

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Main Results:

  • DVT occurred in 0.7% of patients (77/10,638).
  • PE occurred in 41 patients, with risk factors including atrial fibrillation (41%), blood type A (70%), and coronary artery bypass graft (98%).
  • Anticoagulation alone had a 25% mortality from recurrent PE, while anticoagulation with IVC interruption had a 6% mortality.

Conclusions:

  • DVT and PE are rare complications of OHS, and routine prophylaxis is likely unnecessary.
  • Patients with DVT, atrial fibrillation, or perioperative myocardial infarction are at high risk for PE.
  • Aggressive diagnosis and consideration of IVC interruption are recommended for high-risk patients with PE after OHS.