期刊
NEUROSURGERY
卷 76, 期 4, 页码 390-395出版社
OXFORD UNIV PRESS INC
DOI: 10.1227/NEU.0000000000000651
关键词
Endovascular treatment; Intracranial aneurysm; Recanalization; Retreatment
资金
- NCATS NIH HHS [UL1 TR001102] Funding Source: Medline
BACKGROUND:With the increasing use of endovascular techniques in the treatment of both ruptured and unruptured intracranial aneurysms, the issue of obliteration efficacy has become increasingly important.OBJECTIVE:To systematically develop a comprehensive model for predicting retreatment with various types of endovascular treatment.METHODS:We retrospectively reviewed medical records that were prospectively collected for 305 patients who received endovascular treatment for intracranial aneurysms from 2007 to 2013. Multivariable logistic regression was performed on candidate predictors identified by univariable screening analysis to detect independent predictors of retreatment. A composite risk score was constructed based on the proportional contribution of independent predictors in the multivariable model.RESULTS:Size (>10 mm), aneurysm rupture, stent assistance, and posttreatment degree of aneurysm occlusion were independently associated with retreatment, whereas intraluminal thrombosis and flow diversion demonstrated a trend toward retreatment. The Aneurysm Recanalization Stratification Scale was constructed by assigning the following weights to statistically and clinically significant predictors: aneurysm-specific factors: size (>10 mm), 2 points; rupture, 2 points; presence of thrombus, 2 points. Treatment-related factors were stent assistance, -1 point; flow diversion, -2 points; Raymond Roy occlusion class 2, 1 point; Raymond Roy occlusion class 3, 2 points. This scale demonstrated good discrimination with a C-statistic of 0.799.CONCLUSION:Surgical decision making and patient-centered informed consent require comprehensive and accessible information on treatment efficacy. We constructed the Aneurysm Recanalization Stratification Scale to enhance this decision-making process. This is the first comprehensive model that has been developed to quantitatively predict the risk of retreatment after endovascular therapy.ABBREVIATIONS:RROC, Raymond Roy Occlusion ClassificationSD, standard deviation
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