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Immediate postoperative low platelet count is associated with delayed liver function recovery after partial liver
Edris M Alkozai1, Maarten W Nijsten, Koert P de Jong
1Department of Surgery, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands.
Annals of Surgery
|September 26, 2009
Summary
A low platelet count after partial liver resection indicates poor liver function recovery and increased mortality risk. This finding supports platelets' critical role in human liver regeneration.
Area of Science:
- Hepatology
- Surgical Oncology
- Hematology
Background:
- Rodent studies suggest platelets are vital for liver regeneration.
- The role of platelets in human liver regeneration remains unclear.
Purpose of the Study:
- To investigate the association between low postoperative platelet count and impaired liver function recovery after partial liver resection.
- To determine if platelet count predicts postoperative mortality in these patients.
Main Methods:
- A cohort of 216 patients undergoing partial liver resection for colorectal liver metastases was analyzed.
- Postoperative liver dysfunction and mortality were assessed in relation to immediate postoperative platelet counts.
- Delayed liver function recovery was defined by elevated bilirubin or prolonged prothrombin time.
Main Results:
- Patients with low (<100 x10(9)/L) postoperative platelet counts exhibited worse liver function, elevated liver injury markers, and higher mortality.
- A low platelet count was an independent risk factor for delayed liver function recovery (OR, 11.5; P=0.04).
Conclusions:
- Low postoperative platelet count is an independent predictor of delayed liver function recovery after partial liver resection.
- Reduced platelet count is associated with increased postoperative mortality, supporting its critical role in liver regeneration.
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