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Related Experiment Video

Updated: Jun 22, 2026

Laparoscopic Anatomic S7+S8d Resection Preserving Inferior Right Hepatic Vein and S6 with Right Hepatic Vein Transection
06:00

Laparoscopic Anatomic S7+S8d Resection Preserving Inferior Right Hepatic Vein and S6 with Right Hepatic Vein Transection

Published on: December 30, 2025

Kinetics of D-dimer after general surgery.

Daniel Dindo1, Stefan Breitenstein, Dieter Hahnloser

  • 1Department of Surgery, University Hospital Zurich, Switzerland.

Blood Coagulation & Fibrinolysis : an International Journal in Haemostasis and Thrombosis
|May 29, 2009
PubMed
Summary

Postoperative D-dimer levels peak around day 7 and vary by surgery type. This study clarifies D-dimer kinetics, enabling better use of D-dimer testing for diagnosing venous thromboembolism after surgery.

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Last Updated: Jun 22, 2026

Laparoscopic Anatomic S7+S8d Resection Preserving Inferior Right Hepatic Vein and S6 with Right Hepatic Vein Transection
06:00

Laparoscopic Anatomic S7+S8d Resection Preserving Inferior Right Hepatic Vein and S6 with Right Hepatic Vein Transection

Published on: December 30, 2025

Area of Science:

  • Medical Diagnostics
  • Clinical Chemistry
  • Surgical Outcomes

Background:

  • D-dimer elevation post-surgery is common but its kinetics are unknown.
  • This knowledge gap hinders D-dimer use in diagnosing venous thromboembolism (VTE) in surgical patients.
  • Understanding D-dimer kinetics is crucial for accurate VTE diagnosis post-operation.

Purpose of the Study:

  • To determine the kinetics of postoperative D-dimer levels.
  • To identify factors influencing D-dimer peak levels after surgery.
  • To establish when D-dimer testing can be reliably used for VTE exclusion post-operation.

Main Methods:

  • Prospective measurement of D-dimer levels in 154 general surgery patients at set time points.
  • Stratification of surgeries by invasiveness (Type I, II, III).
  • Multivariate regression analysis to identify factors affecting D-dimer peaks.

Main Results:

  • D-dimer levels peaked on postoperative day 7, with normalization times varying by surgery type (Type I: normal range, Type II: 25 days, Type III: 38 days).
  • D-dimer clearance was exponential at 6.0% per day after the peak.
  • Surgery type, duration, and preoperative D-dimer levels independently influenced peak D-dimer levels.

Conclusions:

  • Postoperative D-dimer elevation duration is predictable, especially after abdominal surgery.
  • This study provides the first evidence for the timing of D-dimer re-use in VTE diagnostic algorithms post-surgery.
  • Findings aid in the appropriate interpretation of D-dimer tests in surgical patients with low to moderate VTE probability.