Why between patients and doctors there are conflicts and whether new ethics are necessary here?

Doctors suffer a paternalism, and relatives of patients consider that all have to them. In disputes of the doctor and the patient each party blames another for the conflict. Whether new ethics are necessary to doctors and patients? "Such affairs" publish theses of discussion of representatives of patient NPOs and medical community. Why there are conflicts between doctors and patients? The system of the state health care does not consider opinion...