TRH and subarachnoid hemorrhage: Given that previous attempts to evaluate the effectiveness of a TRH-T therapy for protracted disturbances of consciousness are not consistent, recent studies have analyzed the effects of intravenous injections of TRH-T (2 mg/kg) over 2 days in patients with cerebral aneurysm-induced subarachnoid hemorrhage, which may develop neurological alterations [27].