Postulates of comorbidity and approaches to management of comorbid patients

Comorbidity, i.e. the presence of two or more pathological processes in a patient, is one of the most discussed topics in medical forums in Russia and around the world. Meanwhile, the breadth of discussion of this issue carries the risk of losing the true meaning of comorbidity, set out by the ideologist of this problem A. R. Feinstein, namely: the combination of two and/or more pathogenetically interrelated chronic diseases in one patient. This article offers the reader a view of comorbidity in its original/true understanding, based on deep comprehension of the pathogenesis of diseases and pathomorphological analysis of completed cases of comorbidity.