Related Experiment Video
Updated: Jun 11, 2026

06:45
Colon Ascendens Stent Peritonitis (CASP) - a Standardized Model for Polymicrobial Abdominal Sepsis
Published on: December 18, 2010
Postsurgical inflammatory response is not associated with increased serum cystatin C values
Torbjörn Akerfeldt1, Johanna Helmersson, Anders Larsson
1Department of Medical Sciences, Clinical Chemistry, Uppsala University, Uppsala, Sweden.
Clinical Biochemistry
|July 15, 2010
Summary
Inflammation does not affect cystatin C levels. A study on orthopedic surgery patients found that while C-reactive protein (CRP) significantly increased post-surgery, cystatin C levels remained unchanged, indicating no direct link between inflammation and cystatin C.
Area of Science:
- Biochemistry
- Clinical Chemistry
- Nephrology
Background:
- Cystatin C serves as a marker for glomerular filtration rate (GFR) and cardiovascular risk.
- Studies suggest a link between inflammatory markers and cystatin C.
- It is hypothesized that inflammation itself may elevate cystatin C levels.
Purpose of the Study:
- To investigate the effect of an induced inflammatory response on human cystatin C levels.
- To determine if surgical inflammation alters cystatin C concentrations.
Main Methods:
- Serum samples were collected from 29 orthopedic surgery patients.
- C-reactive protein (CRP) and cystatin C levels were measured pre-surgery and at four and thirty days post-surgery.
Main Results:
- Orthopedic surgery induced a significant increase in CRP levels by day four (median 137.3 mg/L) compared to pre-surgery levels (median 1.94 mg/L).
- No significant changes in cystatin C levels were observed at four or thirty days post-surgery compared to pre-surgery baseline.
Conclusions:
- An orthopedic surgery-induced inflammatory response does not lead to alterations in cystatin C levels.
- Cystatin C may not be directly influenced by acute inflammatory responses in humans.