Evaluation of the Amiens University Hospital Neuroradiology Anticoagulation Protocol

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Total Enrollment

459 participants

Study Classification

OBSERVATIONAL

Study Start Date

2015-11-20

Study Completion Date

2016-07-15

Brief Summary

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To prevent thromboembolic complications, the embolization procedure is performed under prophylactic unfractionated heparin, the efficacy of which is monitored by point-of- care testing according to international guidelines. However, these guidelines are based on limited scientific evidence and the ideal level of anticoagulation required has not been precisely defined. Furthermore, the correlation between the point-of- care tests used at Amiens University Hospital and the reference methods used in the laboratory varies considerably according to the available literature.

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Detailed Description

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Since the beginning of the 2000s, the reference treatment for the management of aneurysmal subarachnoid haemorrhage consists of interventional neuroradiology with coil embolization of the aneurysm. Although ensuring a better neurological prognosis than neurosurgical clipping, interventional neuroradiology exposes the patient to various risks: thromboembolic complications during or after embolization and re-rupture of the aneurysm during embolization. To prevent thromboembolic complications, the embolization procedure is performed under prophylactic unfractionated heparin, the efficacy of which is monitored by point-of- care testing according to international guidelines. However, these guidelines are based on limited scientific evidence and the ideal level of anticoagulation required has not been precisely defined. Furthermore, the correlation between the point-of- care tests used at Amiens University Hospital and the reference methods used in the laboratory varies considerably according to the available literature.

Conditions

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Aneurysm

Study Design

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Observational Model Type

COHORT

Study Time Perspective

RETROSPECTIVE

Interventions

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anticoagulation by unfractionated heparin

Intervention Type DRUG

Eligibility Criteria

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Inclusion Criteria

* Patients over the age of 18 years undergoing one of the following interventional neuroradiology procedures at Amiens University Hospital: elective embolization of an intracranial aneurysm, emergency embolization of a ruptured intracranial aneurysm, elective or urgent embolization of an intracranial or perispinal arteriovenous malformation.

Exclusion Criteria

* Patients in whom all modalities of monitoring of the efficacy of anticoagulation (laboratory tests and point-of-care tests) were not performed, incomplete embolization or radiological follow-up records.
* Patients presenting a contraindication to the administration of unfractionated heparin: history of heparin-induced thrombocytopenia or haemorrhagic coagulopathy (von Willebrand disease, haemophilia).

Minimum Eligible Age

18 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No