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Platelet function in the peri-operative period.

T M Cooper1, D M Ingram

  • 1University Department of Surgery, Queen Elizabeth II Medical Centre, Perth, Western Australia.

The Australian and New Zealand Journal of Surgery
|June 1, 1991
PubMed
Summary
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Postoperative platelet function remains unclear. This study found a rise in total platelet count and a fall in lyso-platelet activating factor (lyso-PAF) in the peri-operative period.

Area of Science:

  • Hematology
  • Surgical Research
  • Hemostasis and Thrombosis

Background:

  • Platelets are crucial for hemostasis and thrombosis.
  • Postoperative changes in platelet function are not well understood.

Purpose of the Study:

  • To investigate platelet function changes in the peri-operative period.
  • To measure total platelet count and platelet activation markers.

Main Methods:

  • Measured total platelet count.
  • Assessed platelet activation markers: thromboxane, betathromboglobulin, and lyso-platelet activating factor (lyso-PAF).
  • Blood samples collected 2-3 hours post-operation and at subsequent time points.

Main Results:

  • A significant increase in total platelet count was observed between 48 hours and 5 days post-operation.

Related Experiment Videos

  • A progressive decrease in lyso-platelet activating factor (lyso-PAF) levels was noted up to 48 hours post-operation.
  • Immediate postoperative changes may have occurred but were not detected in the initial blood samples.

    • Conclusions:

    • Peri-operative platelet count increases, while lyso-platelet activating factor (lyso-PAF) decreases.
    • Further research is needed to understand immediate postoperative platelet function changes.