Purpose To prevent pigs from delayed cerebral vasospasm (DCV) by repeated injections of recombinant streptokinase (r SK) into lateral ventricle after subarchnoid hemorrhage (SAH).

• 目的 观察重组链激酶 (r SK)经侧脑室给药 ,预防蛛网膜下腔出血 (SAH)后迟发性脑血管痉挛 (DCV)的作用。