Comorbidity General Lecture
Marc A. Schuckit, M.D. Department of Psychiatry University of California, San Diego
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1
Some Explanations for Comorbidity
1. Substance induced temporary disorders
2. Substances intensify prior psychiatric conditions
3. A few psychiatric disorders increase the risk for substance use disorders
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2
Rationale
• Drugs can cause psychiatric symptoms • These last days to weeks • They clear spontaneously
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3
Hamilton Depression Score > 20*
40%
* Mood swings last longer 30%
Source: Brown S, Schuckit M. (1988) J Stud Alcohol;49:412-417.
20%
10% 0% 1 2 3 4 Weeks Abstinent 16
4
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Anxiety In 171 Primary Alcoholics
Symptom Withdrawal palpitations and/or shortness of breath 80% Panic while drinking 4% Panic while sober 2% Generalized anxiety while sober 4%
•
• • •
Source: Brown S, Schuckit M. J Stud Alcohol. 1990;51:34-41.
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5
When 2+ Disorders Are Observed:
• Which one(s) should be treated?
• What is best therapy? • Will disorders and/or treatments interact?
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6
Comorbidity is Common in SUD
• 2 / 3 have 2nd diagnosis BUT • Most are ASPD and other SUD • Many others are organic
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7
Studies of Children Of Alcoholics
Don't reveal increased psychiatric disorders
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8
Diagnosis Can Indicate:
• When to intervene
• Treatment with best asset to risk ratio
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9
DSM IV Major Depressive Episode
• A. 5/9 symptoms for two weeks with either (1) depressed mood or (2) loss of interest or pleasure • B-E. Exclusion criteria • MDD is diagnosed by symptoms and history
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10
Alcoholism Course
• Fluctuating:
– controlled use – problems
– abstinence
• 20% spontaneous remission
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11
Anxiety Disorders
• Panic Disorder with or without Agoraphobia
• Agoraphobia • Social Phobia • Specific Phobia • Obsessive-Compulsive Disorder • Posttraumatic Stress Disorder • Generalized Anxiety Disorder
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Depressive Symptoms in Alcoholics
• 80% Sadness • 30% - 40% Depressive Episodes
• Question: What is the best treatment?
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13
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