Alcohol abuse can depress the central nervous system, as alcohol is a natural CNS depressant. CNS depression can cause alterations in the neurologic, respiratory and cardiac status of the patient. This can lead to trouble with speech, judgment, and muscle coordination. Severe alcohol abuse may result in coma or death. Blood alcohol levels are useful for assessing alcohol abuse.
Withdrawal symptoms can begin as early as two hours after the last drink, and can range from mild anxiety and shakiness to severe symptoms such as seizures and delirium tremens (DTs). With alcohol withdrawal, it is possible to develop Wernicke-Korsakoff syndrome, which is Wernicke’s encephalopathy combined with Korsakoff psychosis. This syndrome typically occurs due to deficient thiamine (Vitamin B1) levels secondary to alcohol abuse. The syndrome can produce vision changes, memory impairment, and dementia. Administration of thiamine often reduces the symptoms of confusion, delirium, and nystagmus, but does not improve problems with memory loss or cognition associated with Korsakoff psychosis.
Alcohol abuse can produce gastrointestinal irritation, bleeding, and inflammation of the stomach lining leading to the development of gastritis, esophagitis, or esophageal tears (esophageal varices). In addition, the gastrointestinal inflammation leads to interruption in vitamin B absorption in the stomach.
Chronic alcohol abuse can wear down and injure the heart muscle leading to inadequate contraction of the heart and decreased oxygen delivery to vital organs. This produces alcohol induced cardiomyopathy.
Alcohol abuse is one of the most common causes of acute pancreatitis. This occurs because alcohol irritates the stomach, liver, and pancreas producing inflammation and injuring the tissue. These leads to further difficulty with digestion and decreased production of important enzymes.
Alcohol is metabolized slowly in the liver, this enhances injury of the liver leading to liver inflammation, referred to as hepatitis, and scarring of the liver, also known as cirrhosis.
Alcohol abuse reduces the body’s ability to defend itself from infection causing immunosuppression. This can occur due to impaired nutrition. Leukopenia and thrombocytopenia further lead to immunosuppression.
Alcohol abuse decreases the ability of the body to function properly. Sexual dysfunction may occur in both women and men who engage in alcohol abuse. Men may experience erectile dysfunction and women may experience interruptions in menstruation.
There are a number of available screening tools including the AUDIT and CAGE assessment. The CAGE assessment asks a series of questions including if the patient has ever felt the need to Cut down, if the patient has ever been Annoyed with criticism about their drinking, if they have ever felt Guilty for drinking, or if they have ever started the day of with a drink as an “Eye-opener.” Two or more “yes” answers to the CAGE assessment indicate alcohol abuse. The Alcohol Use Disorders Identification Test (AUDIT) is a 10 question tool that the patient answers the questions responding with a Likert 5 point scale. A score of 8 or more in men and 7 or more in women indicates problems with alcohol use.
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