title: Discussion.
mesh_terms: D006348:Cardiac Surgical Procedures / Q000009:adverse effects* / Q000401:mortality*; D002983:Clinical Competence; D006330:Heart Defects, Congenital / Q000601:surgery*; D006801:Humans; D010043:Outcome and Process Assessment, Health Care; D011183:Postoperative Complications / Q000401:mortality* / Q000601:surgery*; D019984:Quality Indicators, Health Care