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 ICU Psychosis

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تاريخ التسجيل : 04/09/2008

مُساهمةموضوع: ICU Psychosis   الأربعاء 28 يناير - 17:09

[size=21]ICU Psychosis

What is ICU psychosis?
ICU psychosis is a disorder in which patients in an intensive care unit (ICU) or a similar setting experience anxiety, hear voices, see things that are not there, and become paranoid, severely disoriented in time and place, very agitated, or even violent, etc. In short, patients become temporarily psychotic.
ICU psychosis defined.
The condition has been formally defined as "acute brain syndrome involving impaired intellectual functioning which occurs in patients who are being treated within a critical care unit."
Is there a difference between ICU psychosis and delirium?
No. ICU psychosis is a form of delirium, or acute brain failure. Organic factors which contribute or cause the disorder include dehydration, hypoxia (low blood oxygen), heart failure (inadequate cardiac output), infection, and drugs.
How is ICU psychosis treated?
The treatment of ICU psychosis clearly depends on the cause(s). Family members, familiar objects, and calm words may help. Dehydration is remedied by administering fluids. Heart failure requires treatment with digitalis. Infections must be diagnosed and treated. Sedation with anti-psychotic agents may help.
How can ICU psychosis be prevented?
To help prevent ICU psychosis, many critical care units now have instituted more liberal visiting policies, minimized shift changes in the nursing staff caring for a patient, and coordinated the lighting with the normal day-night cycle, etc.
How long does ICU psychosis last?
ICU psychosis often vanishes magically with the coming of morning or the arrival of some sleep. Although it may linger through the day, severe agitation usually occurs only at night. (This phenomenon, called sundowning, is common in nursing homes).
ICU psychosis usually resolves completely when the patient leaves the ICU.
How common is ICU psychosis?
According to current estimates, one patient in every 3 who spends more than 5 days in an ICU experiences some form of psychotic reaction. As the number of intensive care units and the patient population in them grow, the disorder will correspondingly increase.



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