Table 1.

Previously reported cases of recurrent perimesencephalic nonaneurysmal subarachnoid hemorrhage

Study	Time to recurrence	Potential or definite cases	Antithrombotic or anticoagulant or antiplatelet medication	Outcome
Marquardt et al[14], 2000	31 mo	Probable	None	Discharged without neurologic deficits
Ildan et al[13], 2002	Early rebleed	Possible	QReqse3	Died after rebleed
van der Worp et al[15], 2009	5 d	Possible	Antithrombotic for acute coronary syndrome	Died
Reynolds et al[17], 2011	5 mo	Definite	Aspirin 81 mg for cardio- vascular protection, and discontinued after initial bleeding	Discharged with no neurologic deficits; complete resolution at 1 yr
Rahme and Vyas[5], 2015	12 yr	Definite	None	Discharged
Malhotra et al[16], 2016	8 yr	Definite	Aspirin 81 mg for myocardial infarction status post-angioplasty and stenting	Discharged Computed tomography angiography negative and no neurological deficits at 2-yr follow-up