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Perioperative Hematology Management

Balancing bleeding and thrombotic risk during surgery

Written by: Saygı Hospital Health Guide Editorial Board
Last updated:

This content has been compiled by the Saygı Hospital Health Guide Editorial Board and is periodically reviewed by a specialist physician.

This content is for informational purposes only and does not constitute medical advice. You can book an appointment at our Hematoloji department. Book Appointment →

What is Perioperative Hematology Management?

Perioperative hematology brings together cancer, antithrombotic management, and inherited or acquired bleeding disorders around a planned procedure. The two questions to answer first are how high the bleeding risk of the procedure is and how high the patient's thrombotic risk would be if anticoagulation were paused.

For warfarin, low-thrombotic-risk patients can stop without bridging while high-risk patients (mechanical mitral valve, recent VTE, atrial fibrillation with high CHA2DS2-VASc) are bridged with low molecular weight heparin. Direct oral anticoagulants are usually held for 24 to 48 hours before low-risk surgery and 48 to 72 hours before high-risk surgery, adjusted for renal function.

In hemophilia, the goal is to maintain factor levels above procedural thresholds: about 50 to 100 percent for major surgery, depending on factor and surgery type. Inhibitor screening should be checked before any procedure. In von Willebrand disease, desmopressin or VWF concentrate is given before incision, and tranexamic acid covers mucosal procedures.

Symptoms

Excessive intraoperative bleeding
Postoperative hematoma or wound oozing
Symptomatic anemia after surgery
Deep vein thrombosis or pulmonary embolism in the perioperative window
Heparin-induced thrombocytopenia in postoperative period

Risk Factors

Mechanical heart valve
Recent venous thromboembolism (within three months)
Active cancer or recent thrombosis
Inherited bleeding disorder (hemophilia, von Willebrand disease)
Severe renal impairment (affects DOAC clearance)

When to See a Doctor?

If you experience any of the following symptoms, seek medical attention promptly:

  • Any planned surgery while on anticoagulation
  • Known bleeding disorder before any procedure
  • New bleeding tendency before elective surgery
  • Postoperative thrombosis symptoms (calf swelling, chest pain)

Treatment Methods

01
Risk stratification of procedure and patient before stopping antithrombotics
02
DOAC interruption windows by renal function
03
Bridging with low molecular weight heparin only when truly indicated
04
Factor concentrate to target perioperative levels in hemophilia
05
Desmopressin or VWF concentrate for von Willebrand disease
06
Tranexamic acid for mucosal surgery
07
Mechanical and pharmacologic VTE prophylaxis tailored to risk

Which Department to Visit?

You can visit our Hematoloji department for these complaints. Our specialist physicians will create the most suitable treatment plan for you.

Learn About Hematoloji Department

Let us help you

You can make an appointment with our specialists or contact us for your concerns.

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Health Disclaimer: The information on this page is prepared for general informational purposes only. It does not replace medical diagnosis and treatment. Please consult your physician for your complaints. Saygı Hospital does not accept responsibility for actions taken based on the information on this page.