Prevention of symptomatic vasospasm after aneurysmal subarachnoid hemorrhage by intraoperative cisternal fibrinolysis using tissue-type plasminogen activator combined with continuous cisternal drainage. 2004

Hiroyuki Kinouchi, and Kuniaki Ogasawara, and Hiroaki Shimizu, and Kazuo Mizoi, and Takashi Yoshimoto
Department of Neurosurgery, Akita University School of Medicine, Akita, Japan. kinouchi@nsg.med.akita-u.ac.jp

The efficacy of intraoperative cisternal irrigation using tissue-type plasminogen activator (tPA) combined with continuous cisternal drainage was assessed for the prevention of symptomatic vasospasm in patients with aneurysmal subarachnoid hemorrhage (SAH). Seventy consecutive patients underwent direct surgery for aneurysm clipping within 48 hours of SAH and had computed tomography (CT) findings classified as Fisher group III or IV with densities of more than 65 Hounsfield units (HU). Fibrinolysis of the cisternal clots was performed during surgery using 1.6 mg tPA in 55 cases or 3.2 mg tPA in 15 cases. If postoperative CT within 24 hours of surgery showed areas with density more than 65 HU, additional tPA (0.8 mg/day) was administered into the cisternal catheter until the high density areas disappeared. The cisternal drainage catheters were left in place until day 14. Additional tPA injection was necessary in four of the 55 patients receiving 1.6 mg tPA. Symptomatic vasospasm occurred in three patients (4.3%) and two patients had low density areas on CT. Permanent deficit (hemiparesis) due to cerebral vasospasm remained in only one patient. Intraoperative cisternal irrigation with tPA combined with cisternal drainage is safe and effective for the prevention of symptomatic vasospasm following SAH.

UI MeSH Term Description Entries
D008297 Male Males
D008875 Middle Aged An adult aged 45 - 64 years. Middle Age
D010959 Tissue Plasminogen Activator A proteolytic enzyme in the serine protease family found in many tissues which converts PLASMINOGEN to FIBRINOLYSIN. It has fibrin-binding activity and is immunologically different from UROKINASE-TYPE PLASMINOGEN ACTIVATOR. The primary sequence, composed of 527 amino acids, is identical in both the naturally occurring and synthetic proteases. Alteplase,Plasminogen Activator, Tissue-Type,T-Plasminogen Activator,Tissue-Type Plasminogen Activator,Actilyse,Activase,Lysatec rt-PA,TTPA,Tisokinase,Tissue Activator D-44,Lysatec rt PA,Lysatec rtPA,Plasminogen Activator, Tissue,Plasminogen Activator, Tissue Type,T Plasminogen Activator,Tissue Activator D 44,Tissue Type Plasminogen Activator
D011446 Prospective Studies Observation of a population for a sufficient number of persons over a sufficient number of years to generate incidence or mortality rates subsequent to the selection of the study group. Prospective Study,Studies, Prospective,Study, Prospective
D002532 Intracranial Aneurysm Abnormal outpouching in the wall of intracranial blood vessels. Most common are the saccular (berry) aneurysms located at branch points in CIRCLE OF WILLIS at the base of the brain. Vessel rupture results in SUBARACHNOID HEMORRHAGE or INTRACRANIAL HEMORRHAGES. Giant aneurysms (>2.5 cm in diameter) may compress adjacent structures, including the OCULOMOTOR NERVE. (From Adams et al., Principles of Neurology, 6th ed, p841) Aneurysm, Cerebral,Aneurysm, Intracranial,Basilar Artery Aneurysm,Berry Aneurysm,Brain Aneurysm,Cerebral Aneurysm,Giant Intracranial Aneurysm,Mycotic Aneurysm, Intracranial,Aneurysm, Anterior Cerebral Artery,Aneurysm, Anterior Communicating Artery,Aneurysm, Basilar Artery,Aneurysm, Middle Cerebral Artery,Aneurysm, Posterior Cerebral Artery,Aneurysm, Posterior Communicating Artery,Anterior Cerebral Artery Aneurysm,Anterior Communicating Artery Aneurysm,Middle Cerebral Artery Aneurysm,Posterior Cerebral Artery Aneurysm,Posterior Communicating Artery Aneurysm,Aneurysm, Berry,Aneurysm, Brain,Aneurysm, Giant Intracranial,Aneurysm, Intracranial Mycotic,Aneurysms, Basilar Artery,Aneurysms, Berry,Aneurysms, Brain,Aneurysms, Cerebral,Aneurysms, Giant Intracranial,Aneurysms, Intracranial,Aneurysms, Intracranial Mycotic,Artery Aneurysm, Basilar,Artery Aneurysms, Basilar,Basilar Artery Aneurysms,Berry Aneurysms,Brain Aneurysms,Cerebral Aneurysms,Giant Intracranial Aneurysms,Intracranial Aneurysm, Giant,Intracranial Aneurysms,Intracranial Aneurysms, Giant,Intracranial Mycotic Aneurysm,Intracranial Mycotic Aneurysms,Mycotic Aneurysms, Intracranial
D002946 Cisterna Magna One of three principal openings in the SUBARACHNOID SPACE. They are also known as cerebellomedullary cistern, and collectively as cisterns. Magna, Cisterna
D004322 Drainage The removal of fluids or discharges from the body, such as from a wound, sore, or cavity.
D005260 Female Females
D005342 Fibrinolysis The natural enzymatic dissolution of FIBRIN. Fibrinolyses
D005343 Fibrinolytic Agents Fibrinolysin or agents that convert plasminogen to FIBRINOLYSIN. Antithrombic Drug,Antithrombotic Agent,Antithrombotic Agents,Fibrinolytic Agent,Fibrinolytic Drug,Thrombolytic Agent,Thrombolytic Agents,Thrombolytic Drug,Antithrombic Drugs,Fibrinolytic Drugs,Thrombolytic Drugs,Agent, Antithrombotic,Agent, Fibrinolytic,Agent, Thrombolytic,Agents, Antithrombotic,Drug, Antithrombic,Drug, Fibrinolytic,Drug, Thrombolytic,Drugs, Antithrombic

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