A randomized trial of endovascular versus surgical management of ruptured intracranial aneurysms: Interim results from ISAT2 - 01/12/19
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Highlights |
• | A care trial comparing clipping/coiling of ruptured aneurysms is feasible. |
• | An interim analysis showed no reason for trial interruption. |
• | More centers are needed to reach the trial's recruitment objectives. |
Abstract |
Background and purpose |
Appropriate management of ruptured intracranial aneurysm (RIA) in patients eligible for surgical clipping but under-represented in or excluded from previous randomized trials remains undetermined.
Methods |
The International Subarachnoid Aneurysm Trial-2 (ISAT-2) is a randomized care trial comparing surgical versus endovascular treatment (EVT) of RIA. All patients considered for surgical clipping but eligible for endovascular treatment can be included. The primary endpoint is death or dependency on modified Rankin score (mRS>2) at 1 year. Secondary endpoints are 1 year angiographic results and length of hospital stay.
Results |
An interim analysis was performed after 103 patients were treated from November 2012 to July 2017 in 4 active centers. Fifty-two of the 55 patients allocated to surgery were treated by clipping, and 45 of the 48 allocated to EVT were treated by coiling, with 3 crossovers in each arm. The main endpoint (1 year mRS>2), available for 76 patients, was reached in 16/42 patients allocated to clipping (38%; 95%CI: 25%–53%), and 10/34 patients allocated to coiling (29%; 17%–46%). One year imaging results were available in 54 patients: complete aneurysm occlusion was found in 23/27 patients allocated to clipping (85%; 67%–94%), and 18/27 patients allocated to coiling (67%; 47%–81%). Hospital stay exceeding 20 days was more frequent in surgery (26/55 [47%; 34%–60%]) than EVT (9/48 [19%; 10%–31%]).
Conclusion |
Ruptured aneurysm patients for whom surgical clipping may still be best can be managed in a randomized care trial, which is feasible in some centers. More participating centers are needed.
Le texte complet de cet article est disponible en PDF.Keywords : Ruptured intracranial aneurysm, Surgical clipping, Endovascular coiling, Randomized trial
Plan
Vol 65 - N° 6
P. 370-376 - décembre 2019 Retour au numéroBienvenue sur EM-consulte, la référence des professionnels de santé.
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