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. 2023 Oct 4;16(4):405–411. doi: 10.1136/jnis-2023-020161

Table 11.

Aneurysm treatment prospective studies literature used for comparison

HELPS Trial MAPS Trial Cerecyte Trial CorPath GRX
Technical success 96.6 % 97.1 % 97.2 % 94.0 %
Intraprocedural aneurysm rupture 3.4 % 2.2 % 3.6 % 2.6 %
Thromboembolic complications 10.2 % 4.5 % 5.6 % 10.25 %
Mortality 2.2% at discharge 0.2% periprocedural 0.4% before discharge 0% at discharge
Raymond-Roy Scale postprocedure Operator self-assessed Core-laboratory review Core-laboratory review Core-laboratory review
1 47.5 % 36.1 % 26.2 % 64.5%
2 34.5 % 26.2 % 49.5 % 4.5 %
3 18.0 % 37.7 % 24.3 % 31.0 %
Clinical assessment at discharge WFNS mRS mRS
0 38.5 % 0 81.8 % 0 78.2 %
1–2 55.3 % 1 15.9 % 1 17.9 %
≥ 3 6.0 % 2 2.3 % 2 3.8 %
≥ 3 0 % ≥ 3 0 %

mRS, modified Rankin Scale; WFNS, World Federation of Neurological Surgeons.