Enhanced Sternal Closure With Montage or Montage-CT to Evaluate Post-Operative Opioid Use Following Median Sternotomy

Inclusion criteria

• Male or female > 19 years of age.
• Underwent non-emergent cardiac surgery (isolated coronary artery by-pass grafting and/or isolated valve surgery).
• Full median sternotomy approach - with/without cardiopulmonary bypass.

Exclusion criteria

• Recent CPR.
• Previous cardiac surgery (redo sternotomy).
• Emergency surgery (operative intervention within 24 hrs of assessment).
• Chronic lung disease.
• BMI > 40.
• Use of sternal plate systems for closure.
• Recent antiplatelet therapy.
• Previous radiotherapy to the chest; receiving immunosuppressive therapy or have a current immunosuppressive condition.
• Active systemic infection (.i.e: endocarditis).
• Cognitive impairment (confusion, dementia, Alzheimers, current substance abuse).
• History of malignancies within past year (except squamous or basal cell carcinoma of the skin that has been treated; no recurrence)
• Recent history of drug or alcohol abuse.
• Females who are pregnant, nursing or of childbearing potential who are not practicing a birth control method with high reliability.
• Postsurgical life expectancy < 90 days in the opinion of the investigator.

• Moderate or severe pectus deformity. 16. Participation in another clinical trial. 17. Patients who had Patient-Controlled Analgesia (PCA) devices after surgery. 18. Patients who received a local anesthetic treatment and/or device on the sternum intraoperatively during surgery (e.g. On-Q Pain Relief System, Exparel etc)