Sreeni Sivan Pillai: When Hemostasis Fails: How Coagulopathy Disrupts the Body’s Most Critical Safety System
Sreeni Sivan Pillai, Technical Incharge/Interventional and Endovascular Radiology Systems Strategist, Outcome Architect at Narayana Health, shared on LinkedIn:
“When Hemostasis Fails: How Coagulopathy Disrupts the Body’s Most Critical Safety System
Hemostasis is one of the most elegant protective mechanisms in human physiology—quiet, precise, and life-saving. Yet, when coagulopathy sets in, this system can collapse within minutes, turning simple procedures into high-risk events.
As clinicians, technicians, and interventionists, understanding how and where this breakdown happens is not just academic—it directly determines patient outcomes in the cath lab, hybrid OR, trauma bay and ICU.
The Real Problem: Coagulopathy Disrupts Hemostasis at Every Level
1. Primary Hemostasis – The Platelet Plug Fails
Coagulopathy can impair platelet function or reduce platelet numbers.
This leads to:
Poor adhesion and aggregation
Persistent oozing during vascular access
Fragile initial clot formation
Practical impact: Even a well-compressed access site may continue to bleed because the platelet foundation itself is weak.
2.Secondary Hemostasis – The Coagulation Cascade Stalls
Factor deficiency (Liver disease, DIC, dilutional coagulopathy, anticoagulation) disrupts the thrombin burst, resulting in:
Slow or incomplete fibrin formation
Difficulty achieving procedural hemostasis
Increased risk during sheath removal or post-angioplasty
Practical insight: When thrombin generation is inadequate, compression alone cannot stop bleeding—the clot simply has no structural strength.
3. Fibrin Stability – The Clot Is Built but Breaks Apart
Conditions like hyperfibrinolysis or Factor XIII deficiency cause early lysis of formed clots.
Clinical signals:
Recurrent bleeding after initial control
Hematoma formation despite normal platelets
Soft, unstable clot on visual assessment
Why it matters: A clot that dissolves too early is often mistaken for “technical bleeding,” when the true culprit is biochemical.
Dysregulated Anticoagulant Pathways – The Balance Tips Too Far
Excess activation of natural anticoagulants (Protein C/S, antithrombin, tPA) or iatrogenic anticoagulation suppresses thrombin generation.
Real-world risk:
Even low-intensity procedural manipulations can cause disproportionate bleeding.
Why This Matters in Daily Practice
In the vascular suite or cath lab, coagulopathy reveals itself subtly:
Persistent oozing at access sites
Difficulty securing hemostasis after sheath removal
Hematoma despite correct compression technique
Unexplained drop in hemoglobin
Abnormal TEG/ROTEM patterns that predict instability
Recognizing these clues early transforms outcomes.
Coagulopathy isn’t a single defect—it is a multilevel failure of hemostasis, disrupting:
Platelet plug formation
Coagulation factor activity
Fibrin stability
Regulatory balance
And when these systems fail, the stability of every procedure—from simple cannulation to complex endovascular work—is at risk”
More posts about Hemostasis on Hemostasis Today.
-
Oct 20, 2026, 05:02Sanam Loghavi: Test Your Hematology Knowledge at ASH 2026!
-
Oct 20, 2026, 04:13Ifeanyichukwu Ifechidere: DOACs Are Not the Answer to Every Anticoagulation Question
-
Oct 20, 2026, 04:04Sadia Kamal: Honored to Receive the Outstanding Abstract Award at the 20th Midwest Platelet Conference
-
Oct 20, 2026, 04:03Yu-Hsuan Chen: One Antibody, Two Diseases from FcRn Biology to Clinical Translation
-
Oct 20, 2026, 03:49Domenico Simone Castiello: Rethinking Prolonged DAPT in Multivessel PCI – Insights from the DAPT-MVD Trial
-
Oct 20, 2026, 03:37Rucha Patil: Scaling POC Diagnostics for Haemophilia A and VWD Across India
-
Oct 20, 2026, 03:31Zena Vexler: Targeting Neutrophil Elastase and NETosis to Mitigate Infection-Triggered Childhood Stroke
-
Oct 20, 2026, 03:24Chaza Alaji: Diagnosing Protein C and Protein S Deficiency
-
Oct 20, 2026, 03:24Mou Nandi: How Maternal Health During Pregnancy May Shape Infant Development