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Home > "H" Clinical Trials Conditions > Hypothermia During Intracranial Aneurysm Surgery Trial  Hypothermia During Intracranial Aneurysm Surgery Trial
Hypothermia During Intracranial Aneurysm Surgery Trial
For Condition: Aneurysm,Hypothermia,Subarachnoid Hemorrhage
Status: Completed
Sponsor(s): National Institute of Neurological Disorders and Stroke (NINDS) ,
Synopsis: This is a large multi-center, prospective, randomized trial designed to determine whether mild intraoperative hypothermia results in improved neurological outcome in patients with an acute subarachnoid hemorrhage (SAH) who are undergoing an open craniotomy to clip their aneurysms.
Details: The purpose of this trial is to determine whether mild intraoperative body cooling (body temperature = 33 degrees Celsius or 91.4 degrees Fahrenheit) during open neurosurgical craniotomies for aneurysm clipping improves neurological outcome (measured as 3 months after surgery) in patients who have suffered an aneurismal SAH. This may be the only NIH-funded trial to examine the impact of an intraoperative intervention on neurological outcome following any neurosurgical procedure, and is certainly the largest trial of its kind yet undertaken. Many methods have been proposed to "protect" neurosurgical patients from neurological complications that can occur during and after intracranial vascular procedures. However, no treatment targeted at the intraoperative period has ever been systematically tested. Mild hypothermia was chosen as the treatment to be tested after an extensive review of medical literature and discussions with many anesthesiologists and neurosurgeons expert in the field suggested it was the intervention most likely to be beneficial. Hypothermia is also easily produced in the operating room and most anesthesiologists are familiar with managing mild hypothermia. As a result, the investigators felt that a trial of hypothermia was practical and reasonably safe.
Eligibility:
Study Type: Interventional, Treatment, Randomized
Minimum Age/Maximum Age: 19 Years/
Genders: Both
Protocol Entry Criteria: - Adult greater than 18 years old - Non-obese (body mass index less than 35kg/m2) - Non-pregnant - World Federation of Neurologic Surgeons preoperative Grade I, II, or III patients with acute SAH and scheduled to undergo open craniotomies for aneurysm clipping within 14 days of a documented SAH. - There must be no contraindications to cooling (e.g., sickle cell anemia, cryoglobulinemia, or severe Raynaud's disease). - Patients must also have pre-SAH Rankin disability scores of 0 to 1 (i.e., no serious pre-existing functional disability of any kind), and a perioperative course of Nimodipine (a calcium-channel blocker and the only drug known to improve outcome in patients with SAH) must be planned. - Each center must have approval from their local Human Subjects Committee to participate in the trial and written informed consent from either the patient, next-of-kin, or legal guardian is required.
Total Enrollment: 1000
Location and Contact Information:
Overall Study Official:
MichaelTodd, Principal Investigator, University of Iowa
University of Iowa, Department of Anesthesia, 6505-5 John Colloton Pavilion
Iowa City, Iowa, 52242
United States
Additional Information:
Study ID Numbers: R01NS38554;
Study Start Date: February 2000
Record last reviewed: August 2003
Additional information available at: clinicaltrials.gov
Clinicaltrials.gov Reference link: NCT00029133
Other Aneurysm Studies:
1. Hypothermia During Intracranial Aneurysm Surgery Trial
2. Familial Intracranial Aneurysm Study
Related Studies:
Other Aneurysm Clinical Trials
Other Iowa Clinical Trials
Other Iowa City Clinical Trials
Hypothermia During Intracranial Aneurysm Surgery Trial
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