Prevalence and comorbidity of prolonged grief disorder in a sample of caregivers of patients in a vegetative state.

Previous studies have shown that Prolonged Grief Disorder (PGD), Post-traumatic Stress Disorder (PTSD) and major depression are autonomous nosological entities. The present study aims at further analyzing the relationship among them in a sample of caregivers of patients in Vegetative State (VS) or Minimally Conscious State (MCS). We also investigated factors predicting the development of PGD.