Anterograde recanalization of a ruptured vertebral artery dissecting aneurysm with endovascular trapping treatment: A case report

•Ruptured vertebral artery dissecting aneurysm was treated with endovascular trapping.•Completely occluded vertebral artery was recanalized to a normal vascular configuration 6 months later.•Some hypothesis can be considered to explain for mechanism of revascularization.•Endovascular trapping can be considered when treat ruptured vertebral dissecting aneurysm.