Post by alice on Mar 4, 2019 11:09:38 GMT -5
4 Ways to Prevent Memory Loss in the Hospital ICU
26% of certain hospital patients developed new, Alzheimer’s-like symptoms, in a large Intensive Care Unit study. See doctors discuss how to fight this problem. Learn 4 ways to prevent it.
Patients treated in intensive care units across the globe enter with no evidence of cognitive impairment but oftentimes leave with deficits similar to those seen in patients with traumatic brain injury (TBI) or mild Alzheimer’s disease (AD). Researchers were surprised to further reveal that symptoms tend to persist for a year or more. These troubling statistics are according to a Vanderbilt study published in the world-renowned New England Journal of Medicine.
The study, led by members of Vanderbilt’s ICU Delirium and Cognitive Impairment Group, found that 74 percent of the 821 patients studied, all adults with respiratory failure, cardiogenic shock or septic shock, developed delirium while in the hospital, which the authors found is a predictor of a dementia-like brain disease even a year after discharge from the ICU.
Long-Term Cognitive Loss
Delirium, a form of acute brain dysfunction common during critical illness, has consistently been shown to be associated with higher mortality, but this large study of medical and surgical ICU patients demonstrates that it is associated with long-term cognitive impairment in ICU survivors as well.
At three months, 40 percent of patients in the study had global cognition scores similar to patients with moderate traumatic brain injury (TBI), and 26 percent scored similar to patients with Alzheimer’s disease (AD).
Deficits occurred in both older and younger patients, irrespective of whether they had coexisting illness, and persisted to 12 months, with 34 percent and 24 percent still having scores similar to TBI and AD patients, respectively.
“As medical care is improving, patients are surviving their critical illness more often, but if they are surviving their critical illness with disabling forms of cognitive impairment then that is something that we will have to be aware of because just surviving is no longer good enough,” said lead author Pratik Pandharipande, M.D., MSCI, professor of Anesthesiology and Critical Care.
“Regardless of why you come in to an ICU, you have to know that, on the back end of your critical care, you are very likely to be suffering cognitively in ways similar to a TBI patient or an AD patient, except that most of the medical profession doesn’t even know that this is happening and few around you suspect anything, leaving most to suffer in silence,” said senior author Wes Ely, M.D., professor of Medicine.
How To Prevent ICU-Related Memory Loss
There are many areas where doctors, caregivers and patients can help prevent these dementia-like symptoms. Some basic ones include:
LESS SEDATION - Use less sedation and keep patients more awake for longer
MORE ALERT - Keep patients alert and walking around in the ICU, even while still on a ventilator
GET UP SOONER - Patients should be walking earlier
COGNITIVE REHAB - "Brain exercises", such as challenging games, help rebuild cognitive function and memory, especially once a patient is released from the hospital.
“Delirium in critically ill, hospitalized adults is a serious yet understudied issue,” said Molly Wagster, Ph.D., chief of the Behavioral & Systems Neuroscience Branch in the National Institute on Aging, part of the NIH. “These new findings provide important evidence of the extent of the problem, the imperative for greater recognition and the pressing need for solutions.”
Ely said at least some component of this brain injury may be preventable through efforts to shorten the duration of delirium in the ICU by using careful delirium monitoring and management techniques, including earlier attempts at weaning from sedatives and mobility protocols that can save lives and reduce disability.
“Even after the patient leaves the hospital, we think that cognitive rehabilitation might be helpful to somebody like this, and we have some early preliminary data supporting this,” he said.
Source:
Vanderbilt University Medical Center, via Newswise.
Journal Reference:
P.P. Pandharipande, T.D. Girard, J.C. Jackson, A. Morandi, J.L. Thompson, B.T. Pun, N.E. Brummel, C.G. Hughes, E.E. Vasilevskis, A.K. Shintani, K.G. Moons, S.K. Geevarghese, A. Canonico, R.O. Hopkins, G.R. Bernard, R.S. Dittus, E.W. Ely. Long-Term Cognitive Impairment after Critical Illness. New England Journal of Medicine; 369 (14): 1306 DOI:
26% of certain hospital patients developed new, Alzheimer’s-like symptoms, in a large Intensive Care Unit study. See doctors discuss how to fight this problem. Learn 4 ways to prevent it.
Patients treated in intensive care units across the globe enter with no evidence of cognitive impairment but oftentimes leave with deficits similar to those seen in patients with traumatic brain injury (TBI) or mild Alzheimer’s disease (AD). Researchers were surprised to further reveal that symptoms tend to persist for a year or more. These troubling statistics are according to a Vanderbilt study published in the world-renowned New England Journal of Medicine.
The study, led by members of Vanderbilt’s ICU Delirium and Cognitive Impairment Group, found that 74 percent of the 821 patients studied, all adults with respiratory failure, cardiogenic shock or septic shock, developed delirium while in the hospital, which the authors found is a predictor of a dementia-like brain disease even a year after discharge from the ICU.
Long-Term Cognitive Loss
Delirium, a form of acute brain dysfunction common during critical illness, has consistently been shown to be associated with higher mortality, but this large study of medical and surgical ICU patients demonstrates that it is associated with long-term cognitive impairment in ICU survivors as well.
At three months, 40 percent of patients in the study had global cognition scores similar to patients with moderate traumatic brain injury (TBI), and 26 percent scored similar to patients with Alzheimer’s disease (AD).
Deficits occurred in both older and younger patients, irrespective of whether they had coexisting illness, and persisted to 12 months, with 34 percent and 24 percent still having scores similar to TBI and AD patients, respectively.
“As medical care is improving, patients are surviving their critical illness more often, but if they are surviving their critical illness with disabling forms of cognitive impairment then that is something that we will have to be aware of because just surviving is no longer good enough,” said lead author Pratik Pandharipande, M.D., MSCI, professor of Anesthesiology and Critical Care.
“Regardless of why you come in to an ICU, you have to know that, on the back end of your critical care, you are very likely to be suffering cognitively in ways similar to a TBI patient or an AD patient, except that most of the medical profession doesn’t even know that this is happening and few around you suspect anything, leaving most to suffer in silence,” said senior author Wes Ely, M.D., professor of Medicine.
How To Prevent ICU-Related Memory Loss
There are many areas where doctors, caregivers and patients can help prevent these dementia-like symptoms. Some basic ones include:
LESS SEDATION - Use less sedation and keep patients more awake for longer
MORE ALERT - Keep patients alert and walking around in the ICU, even while still on a ventilator
GET UP SOONER - Patients should be walking earlier
COGNITIVE REHAB - "Brain exercises", such as challenging games, help rebuild cognitive function and memory, especially once a patient is released from the hospital.
“Delirium in critically ill, hospitalized adults is a serious yet understudied issue,” said Molly Wagster, Ph.D., chief of the Behavioral & Systems Neuroscience Branch in the National Institute on Aging, part of the NIH. “These new findings provide important evidence of the extent of the problem, the imperative for greater recognition and the pressing need for solutions.”
Ely said at least some component of this brain injury may be preventable through efforts to shorten the duration of delirium in the ICU by using careful delirium monitoring and management techniques, including earlier attempts at weaning from sedatives and mobility protocols that can save lives and reduce disability.
“Even after the patient leaves the hospital, we think that cognitive rehabilitation might be helpful to somebody like this, and we have some early preliminary data supporting this,” he said.
Source:
Vanderbilt University Medical Center, via Newswise.
Journal Reference:
P.P. Pandharipande, T.D. Girard, J.C. Jackson, A. Morandi, J.L. Thompson, B.T. Pun, N.E. Brummel, C.G. Hughes, E.E. Vasilevskis, A.K. Shintani, K.G. Moons, S.K. Geevarghese, A. Canonico, R.O. Hopkins, G.R. Bernard, R.S. Dittus, E.W. Ely. Long-Term Cognitive Impairment after Critical Illness. New England Journal of Medicine; 369 (14): 1306 DOI:
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