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AJNR Awards, New Junior Editors, and more. Read the latest AJNR updates

Research ArticleInterventional

Risk Factor Analysis of Recanalization Timing in Coiled Aneurysms: Early versus Late Recanalization

J.P. Jeon, Y.D. Cho, D.H. Yoo, J. Moon, J. Lee, W.-S. Cho, H.-S. Kang, J.E. Kim and M.H. Han
American Journal of Neuroradiology September 2017, 38 (9) 1765-1770; DOI: https://doi.org/10.3174/ajnr.A5267
J.P. Jeon
aFrom the Department of Neurosurgery (J.P.J.), Hallym University College of Medicine, Chuncheon, Korea
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Y.D. Cho
bDepartments of Radiology (Y.D.C., D.H.Y., J.M.)
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D.H. Yoo
bDepartments of Radiology (Y.D.C., D.H.Y., J.M.)
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J. Moon
bDepartments of Radiology (Y.D.C., D.H.Y., J.M.)
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J. Lee
cNeurosurgery (J.L., W.-S.C., H.-S.K., J.E.K., M.H.H.), Seoul National University College of Medicine, Seoul, Korea.
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W.-S. Cho
cNeurosurgery (J.L., W.-S.C., H.-S.K., J.E.K., M.H.H.), Seoul National University College of Medicine, Seoul, Korea.
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H.-S. Kang
cNeurosurgery (J.L., W.-S.C., H.-S.K., J.E.K., M.H.H.), Seoul National University College of Medicine, Seoul, Korea.
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J.E. Kim
cNeurosurgery (J.L., W.-S.C., H.-S.K., J.E.K., M.H.H.), Seoul National University College of Medicine, Seoul, Korea.
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M.H. Han
cNeurosurgery (J.L., W.-S.C., H.-S.K., J.E.K., M.H.H.), Seoul National University College of Medicine, Seoul, Korea.
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Article Figures & Data

Tables

    • View popup
    Table 1:

    Baseline characteristics of study enrollees

    VariablesEarly (n = 128)Late (n = 52)Complete (n = 690)P Valuea
    Female94 (73.4%)34 (65.4%)467 (67.7%).389
    Age, yr58.0 ± 11.155.3 ± 12.158.1 ± 10.5.330
    HTN80 (62.5%)25 (48.1%)375 (54.3%).134
    Hyperlipidemia15 (11.7%)12 (23.1%)123 (17.8%).126
    Smoking19 (14.8%)6 (11.5%)91 (13.2%).815
    Location
        Anterior104 (81.2%)48 (92.3%)650 (94.2%)
        Posterior24(18.8%)4 (7.7%)40(5.8%)<.001
    Presentations
        UIA99 (77.3%)38 (73.1%)595 (86.2%)
        SAH29 (22.7%)14 (26.9%)95(13.8%)<.001
    Second attempt33 (25.8%)7 (13.5%)34 (4.9%)<.001
    Type
        Sidewall66 (51.6%)28 (53.9%)388 (56.2%)
        Bifurcation62 (48.4%)24 (46.1%)302 (43.8%).604
    Maximum size, mm8.3 ± 5.15.7 ± 2.24.6 ± 2.6
    Aneurysm size >7 mm62 (48.4%)12 (23.1%)84 (12.2%)<.001
    D/N ratio (>1)69 (53.9%)35 (67.3%)391 (56.7%).249
    Balloon22 (17.2%)8 (15.4%)162 (23.5%).141
    Stent45(35.2%)8 (15.4%)169 (24.5%).009
    Antiplatelet medication48 (37.5%)19 (36.5%)183 (26.5%).018
    Initial occlusion
        Successful occlusion96 (75.0%)42 (80.8%)519 (75.2%)
        Residual sac32 (25.0%)10 (19.2%)171 (24.8%).661
    Bioactive coil (>50%)26 (20.3%)8 (15.4%)129 (18.7%).743
    • Note:—D/N ratio indicates depth-to-neck ratio; HTN, hypertension; UIA, unruptured intracranial aneurysm.

    • ↵a P < .05 is significant.

    • View popup
    Table 2:

    Multinomial logistic regression; late recanalization versus complete occlusion (early recanalization serving as reference)a

    VariablesLate RecanalizationComplete Occlusion
    Odds Ratio (95% CI)P ValuebOdds Ratio (95% CI)P Valueb
    Posterior circulation0.54 (0.17–1.72).3010.42 (0.22–0.80).009
    SAH presentation1.16 (0.53–2.56).7100.51 (0.30–0.86).011
    Second attempt0.65 (0.24–1.73).390.15 (0.08–0.27)<.001
    Stent0.53 (0.21–1.32).1721.39 (0.84–2.31).197
    Antiplatelet medication1.15 (0.58–2.30).6890.73 (0.47–1.14).167
    Aneurysm size >7 mm0.38 (0.18–0.82).0130.17 (0.10–0.26)<.001
    • ↵a Reference category: early recanalization. Nagelkerke R2 = 0.214.

    • ↵b P < .05 is significant.

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Cite this article
J.P. Jeon, Y.D. Cho, D.H. Yoo, J. Moon, J. Lee, W.-S. Cho, H.-S. Kang, J.E. Kim, M.H. Han
Risk Factor Analysis of Recanalization Timing in Coiled Aneurysms: Early versus Late Recanalization
American Journal of Neuroradiology Sep 2017, 38 (9) 1765-1770; DOI: 10.3174/ajnr.A5267

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Risk Factor Analysis of Recanalization Timing in Coiled Aneurysms: Early versus Late Recanalization
J.P. Jeon, Y.D. Cho, D.H. Yoo, J. Moon, J. Lee, W.-S. Cho, H.-S. Kang, J.E. Kim, M.H. Han
American Journal of Neuroradiology Sep 2017, 38 (9) 1765-1770; DOI: 10.3174/ajnr.A5267
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