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A proposed grading system for arteriovenous malformations.
A simple, broadly applicable grading system that is designed to predict the risk of morbidity and mortality attending the operative treatment of specific AVM's is proposed and has demonstrated its correlation with the incidence of postoperative neurological complications.
The natural history of familial cavernous malformations: results of an ongoing study.
It is demonstrated that the familial form of cavernous malformations is a dynamic disease; serial MR images revealed changes in the number, size, and imaging characteristics of lesions consistent with acute or resolving hemorrhage, and that significant changes in neurological symptoms warrant repeat MR imaging.
Cavernous malformations of the brainstem: experience with 100 patients.
The natural history of CMBs is worse than that of cavernous malformations in other locations and can be resected using skull base approaches, which should be considered in patients with symptomatic hemorrhage who harbor lesions that approach the pial surface.
Modified classification of spinal cord vascular lesions.
This modified classification system for vascular lesions of the spinal cord, based on pathophysiology, neuroimaging features, intraoperative observations, and neuroanatomy, offers several advantages: first, it includes all surgical vascular lesions that affect the spinal cords, and second, it guides treatment by classifying lesions based on location and Pathophysiology.
Late angiographic follow-up review of surgically treated aneurysms.
- C. David, A. Vishteh, R. Spetzler, M. Lemole, M. Lawton, S. Partovi
- MedicineJournal of neurosurgery
- 1 September 1999
Most residual aneurysm rests appear to remain stable, although a subset may enlarge or rupture, and the rationale for late angiographic follow-up review in patients with aneurYSms is supported.
Incidental subcortical lesions identified on magnetic resonance imaging in the elderly. I. Correlation with age and cerebrovascular risk factors.
It is concluded that subcortical parenchymal lesions are frequent incidental findings on MRI in the elderly, and may represent an index of chronic cerebrovascular diseases in such patients.
Cerebral cavernous malformations. Incidence and familial occurrence.
It is concluded that cavernous malformations are more prevalent than previously reported, and that a familial form of the disorder exists that is more common than expected, with a high incidence of multiple lesions and an increased frequency of occurrence among Mexican-American families.
Prospective evaluation of surgical microscope-integrated intraoperative near-infrared indocyanine green videoangiography during aneurysm surgery.
Microscope-based ICG videoangiography is simple and provides real-time information about the patency of vessels of all sizes and about the aneurysm sac and may be useful during routine aneurYSm surgery as an independent form of angiography or as an adjunct to intra- or postoperative digital subtractionAngiography.
The prospective application of a grading system for arteriovenous malformations.
A retrospective application of the AVM grading system demonstrated its correlation with the incidence of postoperative neurological complications and accurately correlated with both new-temporary (P < 0.0001) and new-permanent (P = 0.008) neurological deficits.
Relationship of perfusion pressure and size to risk of hemorrhage from arteriovenous malformations.
- R. Spetzler, R. Hargraves, P. W. Mccormick, J. Zabramski, R. Flom, R. Zimmerman
- MedicineJournal of neurosurgery
- 1 June 1992
It is suggested that differences in arterial feeding pressure may be responsible for the observed relationship between the size of AVM's and the frequency and severity of hemorrhage.