High platelets (thrombocytosis) and high CRP (C-reactive protein) typically indicate an inflammatory process within the body. CRP is a marker of inflammation, and elevated platelet counts can be triggered by inflammatory cytokines.
Understanding the Connection
The connection between high platelets and high CRP lies in the body's inflammatory response.
- CRP Elevation: An increase in CRP levels corresponds to an increase in acute inflammatory response.
- Platelet Increase: An increase in platelet count is associated with an increase in the activity of bone marrow cells mediated by the production of IL-1 and IL-6 (inflammatory cytokines) [[11], [12], [13]]. These cytokines stimulate the bone marrow to produce more platelets.
In summary, a condition or event that causes inflammation can trigger both elevated CRP and an increased platelet count. Examples of such conditions include:
- Infections (bacterial, viral, or fungal)
- Inflammatory disorders (e.g., rheumatoid arthritis, inflammatory bowel disease)
- Trauma or surgery
- Certain cancers