Yang F, Shah B, Iwai S, Markowitz SM, Lerman BB, Stein KM. ICD implantation and arrhythmia-free survival in patients with depressed LV function following surgery for valvular heart disease. Pacing Clin Electrophysiol 2008;31:1419 -1424.
single-center observational study, we believe that our large sample size may compensate for such confounding factors. Furthermore, the patient population included in our study may be substantially biased, as they were mainly checked by echocardiography for either heart disease or peri-operative ...