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Related Concept Videos

Disorders of Hemostasis01:24

Disorders of Hemostasis

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Hemostasis, the process that stops bleeding after a blood vessel injury, is crucial for maintaining the integrity of the circulatory system. However, disorders of hemostasis can disrupt this delicate balance, leading to either excessive clotting or bleeding. These disorders can be broadly classified into thromboembolic disorders and bleeding disorders.
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Blood clotting or coagulation involves extrinsic and intrinsic pathways, which ultimately merge into the common pathway, forming a fibrin clot.
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Hemostasis is a crucial process that prevents excessive blood loss from damaged blood vessels. It involves various mechanisms such as vasoconstriction, platelet adhesion and activation, and fibrin formation. The importance of each mechanism depends on the type of vessel injury. In contrast, thrombosis is the abnormal formation of a blood clot within the blood vessels, leading to potential complications if the clot obstructs blood flow. Thrombosis can be caused by increased coagulability of the...
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Case report on postoperative coagulation abnormalities.

Hongjing Zhou1, Yanyan Tang1, Yongtian Zhang1

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Postoperative intracranial aneurysm surgery can lead to rare lupus anticoagulant-induced coagulation dysfunction. Early identification and treatment adjustment are crucial for patient recovery and improved outcomes.

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Area of Science:

  • Neurosurgery
  • Hematology
  • Immunology

Background:

  • Intracranial aneurysms (IA) are localized dilations of cerebral arteries, often treated surgically.
  • Postoperative complications are common, but abnormal coagulation function, particularly due to lupus anticoagulants, is rare.

Observation:

  • A 69-year-old woman developed coma and fever post-craniotomy for IA hemorrhage.
  • Initial coagulation indicators were normal, and symptomatic treatments, including coagulation factor supplementation, were ineffective.
  • Further examination revealed the presence of lupus anticoagulant, a key finding for diagnosis.

Findings:

  • The patient exhibited abnormal coagulation function following IA surgery.
  • Lupus anticoagulant was identified as the cause of the coagulation dysfunction.
  • Adjusting the treatment plan based on the lupus anticoagulant diagnosis led to gradual improvement in coagulation indices.

Implications:

  • This case highlights the importance of considering lupus anticoagulant in patients with unexplained postoperative coagulation abnormalities after neurosurgery.
  • Early recognition of lupus anticoagulant can guide appropriate treatment strategies and improve patient outcomes.
  • Further research into the mechanisms and management of lupus anticoagulant-related coagulopathy in surgical patients is warranted.