Delayed Cerebral Ischaemia and Coagulation Alterations After Aneurysmal Subarachnoid Haemorrhage

  • STATUS
    Recruiting
  • End date
    Dec 31, 2022
  • participants needed
    60
  • sponsor
    Tampere University Hospital
Updated on 28 April 2021

Summary

Despite the advances in neurosurgical and -radiological techniques and intensive care, the mortality and morbidity rates in SAH have not changed in recent years. There is still only a limited understanding of the mechanisms of secondary insults causing brain injury after SAH, also called delayed cerebral ischemia (DCI).

In this study, the investigators are exploring the use of quantifiable biomarkers from blood and continuous EEG monitoring as tools for the diagnostics of DCI. Additionally, the investigators are looking into other clinical variables (eg. pain, heart function) as factors of DCI.

Description

Subarachnoidal hemorrhage (SAH) is a cause of long-term disability and death. Annually about 1000 people in Finland suffer from SAH, their average age being under 50 years. SAH has a mortality rate of 12 % acutely and 40 % of patients die within a month from admission to hospital. In addition, 30 % of the surviving patients remain with neurological deficits. Most survivors of the primary insult suffer from a secondary injury during the first 2-3 weeks from the insult.

Despite the advances in neurosurgical and -radiological techniques and intensive care, the mortality and morbidity rates in SAH have not changed in recent years. There is still only a limited understanding of the mechanisms of secondary insults causing brain injury after SAH, also called delayed cerebral ischemia (DCI).

In this study, the investigators are exploring the use of quantifiable biomarkers from blood and continuous EEG monitoring as tools for the diagnostics of DCI. Additionally, the investigators are looking into other clinical variables (eg. pain, heart function) as factors of DCI.

Details
Condition Subarachnoid Hemorrhage, aneurysmal subarachnoid hemorrhage
Treatment EEG, ROTEM, bilateral compression ultrasound of the lower extremity veins
Clinical Study IdentifierNCT03985176
SponsorTampere University Hospital
Last Modified on28 April 2021

Eligibility

Yes No Not Sure

Inclusion Criteria

Age 18 years
Admitted to the Tampere University Hospital ICU due to aneurysmal SAH
Acute subarachnoid haemorrhage (confirmed by computed tomography, CT, AND confirmed origin either with computed angiography (CTA) or digital subtraction angiography (DSA)
Definite or approximated time for the onset of symptoms and delay to ICU admission no more than 24 hours
Expected treatment time at least 120 hours in the Tampere University Hospital

Exclusion Criteria

Known pregnancy
Any long-term anticoagulant or antithrombotic medication, except for low-dose aspirin (under 150 mg/day)
Known active cancer or cirrhotic liver disease or end-stage renal disease requiring renal replacement therapy
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