Cryoglobulinemia: the “cold” problem in cardiac surgery, a single-center experience and a literature review

Table 1 Cryoglobulin classification [3, 4]

	Type	Characteristic
Single type cryoglobulins (SC)	Type I	Monoclonal IgM, IgG, rarely IgA
Mixed type cryoglobulins (MC)	Type II	Monoclonal IgM(k) with rheumatoid factor activity
Mixed type cryoglobulins (MC)	Type III	Policlonal IgM–IgG immunocomplexes

ISSN: 2731-3786