Background: Cannabis use is reported to increase the risk for psychosis, but no prospective study has longitudinally examined drug use and symptoms concurrently in clinical high risk cases. Method: We prospectively followed for up to 2 years 32 cases who met research criteria for prodromal psychosis to examine the relationship between substance use and clinical measures. Results: Cases with a baseline history of cannabis use (41%) were older, but did not differ in clinical measures. Longitudinal assessments showed these cases had significantly more perceptual disturbances and worse functioning during epochs of increased cannabis use that were unexplained by concurrent use of other drugs or medications. Conclusions: These data demonstrate that cannabis use may be a risk factor for the exacerbation of subthreshold psychotic symptoms, specifically perceptual disturbances, in high risk cases. (C) 2008 Elsevier B.V. All rights reserved.
机构:
Univ Calgary, Calgary, AB T2N 1N4, CanadaUniv Calgary, Calgary, AB T2N 1N4, Canada
Addington, Jean
Cadenhead, Kristin S.
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Univ Calif San Diego, San Diego, CA 92103 USAUniv Calgary, Calgary, AB T2N 1N4, Canada
Cadenhead, Kristin S.
Cannon, Tyrone D.
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h-index: 0
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Yale Univ, New Haven, CT USAUniv Calgary, Calgary, AB T2N 1N4, Canada
Cannon, Tyrone D.
Cornblatt, Barbara A.
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h-index: 0
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Zucker Hillside Hosp, New York, NY USAUniv Calgary, Calgary, AB T2N 1N4, Canada
Cornblatt, Barbara A.
McGlashan, Thomas H.
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h-index: 0
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Yale Univ, New Haven, CT USAUniv Calgary, Calgary, AB T2N 1N4, Canada
McGlashan, Thomas H.
Perkins, Diana O.
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h-index: 0
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Univ N Carolina, Chapel Hill, NC 27515 USAUniv Calgary, Calgary, AB T2N 1N4, Canada
Perkins, Diana O.
Seidman, Larry J.
论文数: 0引用数: 0
h-index: 0
机构:
Harvard Med Sch, Beth Israel Deaconess Med Ctr, Boston, MA USA
Massachusetts Gen Hosp, Boston, MA 02114 USAUniv Calgary, Calgary, AB T2N 1N4, Canada
Seidman, Larry J.
Walker, Elaine F.
论文数: 0引用数: 0
h-index: 0
机构:
Emory Univ, Atlanta, GA 30322 USAUniv Calgary, Calgary, AB T2N 1N4, Canada
Walker, Elaine F.
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机构:
Woods, Scott
Bearden, Carrie E.
论文数: 0引用数: 0
h-index: 0
机构:
Univ Calif Los Angeles, Los Angeles, CA USAUniv Calgary, Calgary, AB T2N 1N4, Canada
Bearden, Carrie E.
Mathalon, Daniel
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h-index: 0
机构:
Univ Calif San Francisco, San Francisco, CA 94143 USAUniv Calgary, Calgary, AB T2N 1N4, Canada
Mathalon, Daniel
Buchy, Lisa
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h-index: 0
机构:
Univ Calgary, Calgary, AB T2N 1N4, CanadaUniv Calgary, Calgary, AB T2N 1N4, Canada
机构:
Columbia Univ, Sch Social Work, New York, NY 10032 USAColumbia Univ, New York State Psychiat Inst, Dept Psychiat, New York, NY 10032 USA
DeVylder, J. E.
Ben-David, S.
论文数: 0引用数: 0
h-index: 0
机构:Columbia Univ, New York State Psychiat Inst, Dept Psychiat, New York, NY 10032 USA
Ben-David, S.
Schobel, S. A.
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机构:Columbia Univ, New York State Psychiat Inst, Dept Psychiat, New York, NY 10032 USA
Schobel, S. A.
Kimhy, D.
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h-index: 0
机构:Columbia Univ, New York State Psychiat Inst, Dept Psychiat, New York, NY 10032 USA
Kimhy, D.
Malaspina, D.
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h-index: 0
机构:
NYU, Dept Psychiat, New York, NY 10016 USAColumbia Univ, New York State Psychiat Inst, Dept Psychiat, New York, NY 10032 USA
Malaspina, D.
Corcoran, C. M.
论文数: 0引用数: 0
h-index: 0
机构:
Columbia Univ, New York State Psychiat Inst, Dept Psychiat, New York, NY 10032 USAColumbia Univ, New York State Psychiat Inst, Dept Psychiat, New York, NY 10032 USA
机构:
Univ Amsterdam, Acad Med Ctr, Dept Early Psychosis, NL-1105 AZ Amsterdam, NetherlandsUniv Amsterdam, Acad Med Ctr, Dept Early Psychosis, NL-1105 AZ Amsterdam, Netherlands
van der Meer, Floor J.
Velthorst, Eva
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h-index: 0
机构:
Univ Amsterdam, Acad Med Ctr, Dept Early Psychosis, NL-1105 AZ Amsterdam, NetherlandsUniv Amsterdam, Acad Med Ctr, Dept Early Psychosis, NL-1105 AZ Amsterdam, Netherlands
Velthorst, Eva
Meijer, Carin J.
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h-index: 0
机构:
Univ Amsterdam, Acad Med Ctr, Dept Early Psychosis, NL-1105 AZ Amsterdam, NetherlandsUniv Amsterdam, Acad Med Ctr, Dept Early Psychosis, NL-1105 AZ Amsterdam, Netherlands
Meijer, Carin J.
Machielsen, Marise W. J.
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h-index: 0
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Univ Amsterdam, Acad Med Ctr, Dept Early Psychosis, NL-1105 AZ Amsterdam, NetherlandsUniv Amsterdam, Acad Med Ctr, Dept Early Psychosis, NL-1105 AZ Amsterdam, Netherlands
Machielsen, Marise W. J.
de Haan, Lieuwe
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h-index: 0
机构:
Univ Amsterdam, Acad Med Ctr, Dept Early Psychosis, NL-1105 AZ Amsterdam, NetherlandsUniv Amsterdam, Acad Med Ctr, Dept Early Psychosis, NL-1105 AZ Amsterdam, Netherlands
机构:
UCLA, Dept Psychiat & Biobehav Sci, Los Angeles, CA 90024 USA
UCLA, Dept Psychol, Los Angeles, CA 90024 USAUniv Calgary, Hotchkiss Brain Inst, Dept Psychiat, Calgary, AB, Canada
Bearden, Carrie E.
Cadenhead, Kristin S.
论文数: 0引用数: 0
h-index: 0
机构:
Univ Calif San Diego, Dept Psychiat, San Diego, CA USAUniv Calgary, Hotchkiss Brain Inst, Dept Psychiat, Calgary, AB, Canada
Cadenhead, Kristin S.
Cannon, Tyrone D.
论文数: 0引用数: 0
h-index: 0
机构:
Yale Univ, Dept Psychol, New Haven, CT USA
Yale Univ, Dept Psychiat, New Haven, CT 06520 USAUniv Calgary, Hotchkiss Brain Inst, Dept Psychiat, Calgary, AB, Canada
Cannon, Tyrone D.
Cornblatt, Barbara A.
论文数: 0引用数: 0
h-index: 0
机构:
Zucker Hillside Hosp, Dept Psychiat, Long Isl City, NY USAUniv Calgary, Hotchkiss Brain Inst, Dept Psychiat, Calgary, AB, Canada
Cornblatt, Barbara A.
Keshavan, Matcheri
论文数: 0引用数: 0
h-index: 0
机构:
Harvard Med Sch, Dept Psychiat, Beth Israel Deaconess Med Ctr, Boston, MA USA
Massachusetts Mental Hlth Ctr, Boston, MA 02115 USAUniv Calgary, Hotchkiss Brain Inst, Dept Psychiat, Calgary, AB, Canada
Keshavan, Matcheri
Mathalon, Daniel H.
论文数: 0引用数: 0
h-index: 0
机构:
UCSF, Dept Psychiat, San Francisco, CA USA
SFVA Med Ctr, San Francisco, CA USAUniv Calgary, Hotchkiss Brain Inst, Dept Psychiat, Calgary, AB, Canada
Mathalon, Daniel H.
McGlashan, Thomas H.
论文数: 0引用数: 0
h-index: 0
机构:
Univ N Carolina, Dept Psychiat, Chapel Hill, NC USAUniv Calgary, Hotchkiss Brain Inst, Dept Psychiat, Calgary, AB, Canada
McGlashan, Thomas H.
Perkins, Diana O.
论文数: 0引用数: 0
h-index: 0
机构:
Univ N Carolina, Dept Psychiat, Chapel Hill, NC USAUniv Calgary, Hotchkiss Brain Inst, Dept Psychiat, Calgary, AB, Canada
Perkins, Diana O.
Seidman, Larry J.
论文数: 0引用数: 0
h-index: 0
机构:
Harvard Med Sch, Dept Psychiat, Beth Israel Deaconess Med Ctr, Boston, MA USA
Massachusetts Mental Hlth Ctr, Boston, MA 02115 USAUniv Calgary, Hotchkiss Brain Inst, Dept Psychiat, Calgary, AB, Canada
Seidman, Larry J.
Stone, William S.
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h-index: 0
机构:
Harvard Med Sch, Dept Psychiat, Beth Israel Deaconess Med Ctr, Boston, MA USA
Massachusetts Mental Hlth Ctr, Boston, MA 02115 USAUniv Calgary, Hotchkiss Brain Inst, Dept Psychiat, Calgary, AB, Canada
Stone, William S.
Tsuang, Ming T.
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h-index: 0
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Univ Calif San Diego, Dept Psychiat, San Diego, CA USA
Univ Calif San Diego, Inst Genom Med, La Jolla, CA USAUniv Calgary, Hotchkiss Brain Inst, Dept Psychiat, Calgary, AB, Canada
Tsuang, Ming T.
Walker, Elaine F.
论文数: 0引用数: 0
h-index: 0
机构:
Emory Univ, Dept Psychol, Atlanta, GA 30322 USA
Emory Univ, Dept Psychiat, Atlanta, GA 30322 USAUniv Calgary, Hotchkiss Brain Inst, Dept Psychiat, Calgary, AB, Canada