Measurement of haemostasis and therapeutic management

1. What is it? Any common name for this procedure?

Haemostasis is the physiological process that stops bleeding at the site of a vascular injury while maintaining blood in a fluid state within the rest of the circulatory system. It is a finely tuned balance between pro-coagulant forces (which form clots) and anticoagulant or fibrinolytic forces (which prevent or dissolve them).

Measurement of Haemostasis refers to the clinical use of specialized laboratory assays and "Point-of-Care" (POC) analyzers to evaluate how well a patient's blood clots. Therapeutic Management involves using this data to either promote clotting in patients who are bleeding (e.g., during surgery or trauma) or to prevent dangerous clots in patients at risk of stroke or heart attack.

Common Names:

• Coagulation Profile / Workup: The general name for the battery of tests.
• Viscoelastic Testing (VET): Specifically referring to advanced real-time monitors like TEG (Thromboelastography) or ROTEM (Rotational Thromboelastometry).
• Bleeding Risk Assessment: Used before surgeries to predict hemorrhage.
• Anticoagulation Management: Focuses on monitoring and adjusting blood thinners.

2. Common Symptoms at which one must meet the doctor

Disorders of haemostasis can manifest as either "under-clotting" (bleeding) or "over-clotting" (thrombosis). You should consult a doctor if you notice:

• Excessive Bleeding: Prolonged bleeding from minor cuts, dental procedures, or frequent nosebleeds.
• Easy Bruising: Large, unexplained bruises or "petechiae" (tiny red/purple spots on the skin).
• Joint and Muscle Pain: Swelling and warmth in joints, which may indicate internal bleeding (haemarthrosis).
• Heavy Menstrual Cycles: Periods that last more than seven days or require changing products every hour.
• Signs of Gastrointestinal Bleeding: Vomiting blood or passing black, tarry stools.
• Signs of a Blood Clot (Thrombosis): Sudden swelling, pain, and redness in one leg (DVT), or sudden shortness of breath and chest pain (Pulmonary Embolism).

3. List of Associated Diseases

Haemostasis management is critical for a wide range of inherited and acquired conditions:

• Bleeding Disorders: Haemophilia A and B, Von Willebrand Disease (the most common inherited disorder), and Factor deficiencies (V, VII, X, XI).
• Platelet Disorders: Immune Thrombocytopenia (ITP), Glanzmann Thrombasthenia, and Bernard-Soulier Syndrome.
• Hypercoagulable States: Factor V Leiden, Protein C/S deficiency, and Antiphospholipid Syndrome.
• Acquired Conditions: Liver disease (which impairs clotting factor production), Vitamin K deficiency, and Disseminated Intravascular Coagulation (DIC).
• Therapeutic Needs: Patients on long-term anticoagulants (Warfarin, Heparin, or DOACs) for atrial fibrillation or mechanical heart valves.

4. List of Screening Tests

Clinicians use a "stepped" approach to measurement, starting with general screens and moving to specific assays:

• Complete Blood Count (CBC): To check the Platelet Count.
• Prothrombin Time (PT) / INR: Measures the extrinsic pathway; used to monitor Warfarin.
• Activated Partial Thromboplastin Time (aPTT): Measures the intrinsic pathway; used to monitor Heparin.
• Fibrinogen Levels: Measures the "building blocks" of a clot.
• Thromboelastography (TEG/ROTEM): Provides a graphic representation of the entire clotting process in real-time.
• D-dimer Test: Used to screen for active clot breakdown, often to rule out a DVT or PE.
• Mixing Studies: To determine if a clotting delay is due to a deficiency or an inhibitor (antibody).

5. Am I eligible for this procedure?

Eligibility for haemostasis measurement and management is based on clinical necessity. You are a candidate if:

1. Pre-Operative Clearance: You are scheduled for a medium-to-high risk surgery (e.g., orthopedic, cardiac, or neurosurgery).
2. Symptomatic Bleeding/Clotting: You have a personal or family history of unexplained bruising or thrombosis.
3. Chronic Medication Use: You are currently taking blood thinners and require dose titration.
4. Trauma or Critical Care: You are in an intensive care setting where rapid blood loss must be managed.

6. Pre and Post Care

Pre-Care (Preparation):

• Medication Disclosure: Provide a full list of all medications, including supplements like Fish Oil, Gingko, or Vitamin E, which can thin the blood.
• Antiplatelet/Anticoagulant Pause: Depending on the procedure risk, your doctor may ask you to stop Aspirin (continue unless high risk), Clopidogrel (5-7 days), or Warfarin (5 days).
• Hydration: Ensure you are well-hydrated for blood draws to avoid vein collapse.

Post-Care (After Management/Testing):

• Pressure and Observation: Apply firm pressure to the puncture site for 5–10 minutes to prevent a haematoma.
• Wound Monitoring: Look for signs of "delayed bleeding" or excessive swelling at the site of any invasive procedure.
• Medication Restart: Only restart blood thinners when specifically instructed by your doctor, usually 24–48 hours post-procedure depending on wound healing.

7. Days Required for Hospitalization

The measurement of haemostasis is usually an outpatient procedure (the blood draw takes 10–15 minutes). However, therapeutic management for an active bleeding event (like a GI bleed) typically requires 2 to 5 days of hospitalization for stabilization and monitoring.

Disclaimer: As per doctor’s advise the number of day’s may get modified based on the severity of the condition, the patient's response to therapy, and the presence of underlying comorbidities like liver or renal disease.

8. Benefits of this procedure

• Precision Dosing: Advanced measurements allow for "Goal-Directed Therapy," ensuring you get exactly the amount of clotting factor or blood thinner you need, reducing the risk of side effects.
• Surgical Safety: Identifies high-risk patients before they go under the knife, allowing surgeons to have blood products ready "just in case".
• Reduced Blood Product Use: Using TEG/ROTEM reduces the need for unnecessary transfusions, lowering the risk of transfusion-related reactions.
• Faster Recovery: Proper management of haemostasis leads to better wound healing and shorter hospital stays.
• Stroke Prevention: Accurate monitoring of anticoagulation is life-saving for patients with heart conditions.