there is likely to be some artefactual increase in comorbidity — multiple diagnoses of mental disorders in a particular individual may not indicate that a range of truly separate sets of underlying psychobiological processes are involved but rather may simply point to greater underlying dysfunction. ...
Patients with heart failure (HF) and left ventricular (LV) dysfunction have been shown to derive clinical benefit from cardiac resynchronization therapy (CRT) and from implantable cardioverter-defibrillators (ICD). The efficacy of combined CRT-ICD devices in patients with HF has not, however, been...