Comprehensive Study Notes on Chronic Alcohol Use and Alcohol Use Disorder

Overview of Chronic Alcohol Use

Alcohol is legally available but is considered the most dangerous of all recreational drugs.
Prevalence of use statistics:
- Approximately $10\%$ of elementary students report some alcohol use.
- Approximately $45\%$ of high school students report using alcohol within the last month.
Prevalence of alcoholism in the United States:
- $8\%$ of the population per year.
- $13\%$ of the population over a lifetime.
Demographic breakdown: Men outnumber women in reported cases of alcohol abuse and dependence by a ratio of $2 \text{ to } 1$ .

Alcohol Abuse versus Alcohol Dependence

Alcohol Abuse is characterized by:
- Regular consumption of large amounts of alcohol.
- Reliance on alcohol to enable activities or social interactions that would otherwise cause anxiety.
Alcohol Dependence is characterized by:
- Tolerance: The body builds a biological resistance, necessitating progressively greater amounts of alcohol to achieve the desired effect.
- Withdrawal: Experiencing physical and psychological symptoms when alcohol consumption is stopped.

Alcohol Use Disorder (AUD) Diagnostic Criteria

Defined by the Diagnostic and Statistical Manual of Mental Disorders, Fifth Edition (DSM-V).
Diagnosis requires a minimum of $2$ out of $11$ criteria to be present.
The criteria are categorized as follows:
- $9$ behavioral symptoms.
- $2$ physiological symptoms: Tolerance and Withdrawal.
Classification of Severity:
- Mild: $2-3$ symptoms.
- Moderate: $4-5$ symptoms.
- Severe: $6$ or more symptoms.

Clinical and Behavioral Problems Associated with AUD

Preoccupation: The dominant characteristic is a constant preoccupation with drinking, which becomes incorporated into everyday life routines.
Coping Mechanism: Alcohol is frequently used as a primary method for dealing with stress and anxiety.
Intoxication and Memory: Increasing frequency of severe intoxication and occurrences of blackouts.
Compulsive Behaviors: Specific habits include stockpiling alcohol, "pre-drinking," and sneaking drinks.
Psychological Barriers to Treatment:
- Denial: Frequent in individuals with AUD.
- Enabling: Manifests among those surrounding the alcoholic, which prevents necessary professional interventions.
- Both denial and enabling represent major difficulties in diagnosis, intervention, and treatment processes.

Personal and social Impact

Violence and Safety: Alcohol plays a role in more than one third of all:
- Suicides.
- Homicides.
- Assaults.
- Rapes.
- Accidental deaths ( $12,000$ deaths per year).
Impaired Driving:
- More than $30 \text{ million}$ adults have driven under the influence within the past year.
- Approximately $40\%$ of all traffic crash fatalities are linked to alcohol use.
- Data from 2011 indicate total traffic fatalities have dropped to approximately $32,000$ .
- The risk of a fatal crash is dose-related, with a sharp increase in fatalities at a Blood Alcohol Concentration (BAC) over $0.10$ .
- Men are more likely than women to be involved in alcohol-related fatal crashes.
- Note: The majority of individuals involved in alcohol-related incidents are not "problem drinkers."

Behavioral and Sexual Effects

Sexual Behavior:
- Alcohol use may enhance interest in sex (subjective desire).
- Alcohol impairs physiological arousal.
- Alcohol use is linked to risky sexual behavior.
Blackouts:
- Considered a significant danger sign of excessive alcohol use.
- The individual remains conscious during events but is unable to formulate or store new memories.
Crime and Violence: Alcohol use is statistically related to high rates of:
- Homicide.
- Assault (including family violence, sexual assault, and date rape).
- Suicide.

Physiological Effects of Chronic Abuse: Withdrawal

The withdrawal process occurs in four distinct stages:
- Stage 1: Tremors, rapid heartbeat (tachycardia), hypertension, heavy sweating, loss of appetite, and insomnia.
- Stage 2: Hallucinations (which may be auditory, visual, and/or tactile).
- Stage 3: Delusions, disorientation, and delirium.
- Stage 4: Seizures.
Life-threatening events such as heart failure are possible during withdrawal.
Clinical treatment often involves antianxiety medications to relieve symptoms.

Physiological Effects of Chronic Abuse: Long-term Health

Liver Disease:
- Fatty Liver.
- Alcoholic Hepatitis.
- Alcoholic Cirrhosis.
Cardiovascular Disease:
- Heart inflammation and enlargement.
- Poor circulation and irregular heart contractions.
- High blood pressure (BP) and increased risk of stroke.
Neurological Disorders:
- Dementia: Characterized by enlarged ventricles, widening fissures in the brain, and the loss of cells sensitive to Acetylcholine (ACh).
- Wernicke-Korsakoff Syndrome: Characterized by disorientation, cognitive deficits, and motor deficiency. It is caused by Vitamin B (thiamine) deficiency. Some effects of this syndrome can be reversed with treatment.
Immune Function: Lowered immune functioning, reducing the body's ability to fight cancer and infections.

Fetal Alcohol Syndrome (FAS)

Occurs in offspring of mothers with Alcohol Use Disorder.
Condition involving significant developmental delays and facial-cranial malformations.
Cognitive Deficits: Specifically deficits in short-term memory.
Diagnostic criteria:
- Prenatal or postnatal weight in the bottom $10\%$ .
- Central Nervous System (CNS) abnormalities or developmental delays.
- Characteristic skull and facial appearances.
Timing of Risk: The greatest risk to the fetus occurs in the first trimester.
Safe Level: No safe level of alcohol consumption during pregnancy has been determined; total avoidance is promoted.

Socioeconomic Costs of AUD

Total annual cost in the U.S.: Approximately $200 \text{ billion}$ dollars annually.
Total alcohol-related deaths: $85,000$ annually.
Categories of cost include:
- Expenses for treatment.
- Medical interventions.
- Lost production and decreased performance at work.
- Treatment for injuries sustained while intoxicated.
- Lost value of future earnings due to premature death.

Patterns and Demographics of Chronic Abuse

Demographic Scope: AUD is found across every age, gender, racial, ethnic, and religious group/socioeconomic category.
Vulnerability: While men outnumber women in incidence, women are more physiologically vulnerable to alcohol-related organ damage.
Senior Citizens/Elderly (Over age $65$ ):
- An underreported group regarding alcoholism.
- More individuals over $65$ are hospitalized for alcohol-related issues than for heart attacks.
- $9\%$ of this demographic have alcohol problems.
- High risk due to alcohol interacting with medications and pre-existing medical conditions.

Genetics of AUD

Adoption Studies: A large percentage of children with genetic alcoholic parents became alcoholics themselves, at rates higher than the normal population.
Twin Studies: The concordance rate for identical twins is $58\%$ , suggesting a strong genetic component that is not entirely deterministic.
Types of Alcoholics:
- Type 1: Drinking problems occur late in life. These cases have a moderate genetic influence and a high environmental influence.
- Type 2: Drinking problems occur in adolescence. These cases have a high genetic influence and a low environmental influence.

The Disease Model and Medical Profession

Historical Context: Since 1957, the American Medical Association (AMA) has supported the classification of alcoholism/AUD as a disease, advocating for treatment rather than punishment.
Professional Dilemma: This places responsibility on physicians to treat AUD via medical interventions.
Preparedness Crisis in Medicine:
- $94\%$ of primary care physicians failed to make a correct diagnosis of early-stage AUD.
- Only $20\%$ of primary care physicians consider themselves very prepared to diagnose AUD.

Treatment Approaches

Biologically Based Treatments:
- Disulfiram (brand name: Antabuse):
  - Theory: Induces an aversive (unpleasant) physical reaction when alcohol is consumed, discouraging further consumption.
  - Administration: Taken orally once per day.
  - Efficacy: Can be a powerful short-term deterrent but has not proven effective as a long-term treatment.
  - Challenges: Low compliance rates; typically used as a transitional treatment until support groups are established.

Alcohol Use Disorder (AUD) is defined by the Diagnostic and Statistical Manual of Mental Disorders, Fifth Edition (DSM-V). Diagnosis requires a minimum of $2$ out of $11$ criteria to be present, categorized into $9$ behavioral symptoms and $2$ physiological symptoms: Tolerance and Withdrawal.
Denial is a psychological defense mechanism where an individual refuses to accept reality or facts, often leading to an inability to recognize their drinking problems. Enabling refers to behaviors from friends or family that contribute to the alcoholic's ability to continue their substance use, preventing necessary professional interventions. Both denial and enabling create significant barriers to diagnosis, intervention, and treatment processes.
Alcohol is legally available but is considered the most dangerous of all recreational drugs.
The withdrawal process occurs in four distinct stages:
- Stage 1: Tremors, rapid heartbeat, hypertension, heavy sweating, loss of appetite, insomnia.
- Stage 2: Hallucinations (auditory, visual, tactile).
- Stage 3: Delusions, disorientation, delirium.
- Stage 4: Seizures. Clinical treatment often involves antianxiety medications to relieve symptoms.
The three main liver disorders associated with chronic use are:
- Fatty Liver
- Alcoholic Hepatitis
- Alcoholic Cirrhosis Alcoholic Cirrhosis is less likely to be reversed with abstinence.
Approximately 40\text{\textperthousand} of U.S. traffic fatalities are considered alcohol-related. Behavioral influences that can affect the increased likelihood of traffic accidents include intoxication and compulsive behaviors related to alcohol use.
The main cognitive disorders associated with chronic use include Dementia and Wernicke-Korsakoff Syndrome. These are often a result of chronic alcohol influence and related nutritional deficiencies, particularly Vitamin B (thiamine) deficiency.
Fetal Alcohol Syndrome (FAS) occurs in the offspring of mothers with Alcohol Use Disorder and includes significant developmental delays and facial-cranial malformations. The riskiest time for the embryo/fetus during pregnancy is the first trimester.
Issues facing the elderly concerning alcoholism include underreporting of alcoholism and the high risk of alcohol interacting with medications and pre-existing medical conditions.
Men are more likely to suffer from alcoholism than women; however, women are more physiologically vulnerable to alcohol-related organ damage.
Type 1 alcoholics have drinking problems occur late in life with moderate genetic influence and high environmental influence. Type 2 alcoholics experience drinking problems in adolescence with high genetic influence and low environmental influence.
Since 1957, the majority of professionals, including the American Medical Association (AMA), view alcoholism as a disease; however, a major issue is a lack of preparedness in diagnosing early-stage AUD among primary care physicians (only 20\text{%} feel prepared).
Disulfiram (brand name: Antabuse) induces an unpleasant physical reaction when alcohol is consumed, discouraging further consumption. It is most effective as a short-term deterrent and is typically used until support groups are established and compliance is low.