The hachinski ischemic score his is known to be a simple clinical tool, posted in neurology tagged acv, demencia, dementia, escala, hachinski, his. I the hachinski ischemic score, commonly abbreviated his, is a simple items clinical tool used for differentiating types of dementia primary degenerative, vascular or multiinfarct, mixed type. Hachinski vc, iliff ld, zilhka e, du boulay gh, mcallister vl, marshall j, russell rw, symon l. Patients with a score of 7 or higher are more likely to have a vascular dementia. Hachinskis ischemic score and the diagnosis of vascular. Volume 1 no 4 contemporary management in internal medicine, editor. Hachinski ischemic score definition of hachinski ischemic. The hachinski ischaemic score his was first introduced in 1975 as a clinical scale intended to differentiate cases of dementia resulting from multiple strokes multi. Subcortical ischaemic vascular dementia sciencedirect. Hachinski ischaemia score, hachinski ischemia score, hachinski ischemia score assessment scale.
A score of 2 or less is typical of alzheimers disease. Thirteen items were scored oneor twopointsaccordingto a handbookofclinical psychiatry. It was a cohort study conducted in 3 waves in 1991, 19961997, and 20012002. Clinical correlates of hachinski ischemic score and.
The is distinguished between primary degenerative dementia. Summary the accuracy of the ischemic score is of hachinski in the differential diagnosis between senile dementia sdat and multiinfarct dementia mid. Churchill livingstone new york, london, melbourne, tokyo, 1991. Prospective neuropathological validation of hachinskis. What is the abbreviation for modified hachinski ischemia scale. The hachinski ischemic score his was originally developed as a clinical tool to aid in the differentia tion between multiinfarct dementia mid and alz. Our objectives were to investigate the utility of the hachinski ischemic score his in differentiating patients with pathologically verified alzheimers disease ad, multiinfarct dementia mid, and mixed ad plus cerebrovascular disease dementia, and to identify the specific items of the his that best discriminate those dementia subtypes. Design the canadian study for health and aging was used for this study.
Sivd results from smallvessel disease, which produces either arteriolar occlusion and lacunes or widespread incomplete infarction of white matter due to critical stenosis of medullary arterioles and hypoperfusion binswangers disease. Criteria for rating the items of the his were never given, or interobserver reliability in applying it has never been tested. A multitude of studies have demonstrated the validity of his in identifying vascular dementia 18. Objective to consolidate and further validate the his. The sensitivity and specificity of hachinski s ischaemic score is in the diagnosis of the vascular aetiology of dementia was studied in a series of 32 demented patients, dementia of the alzheimer type 16, multiinfarct dementia 7, mixed dementia 6, picks disease 3, with neuropathological diagnosis as the point of reference. Research article clinical correlates of hachinski ischemic. The hachinski ischemic score his is known to be a simple clinical tool, currently used for differentiating major types of dementia, such as primary degenerative, vascular or.
The usefulness of this score is controversial, and we hypothesized that this is because many items of the his are open to a wide range of interpretations. Demographic characteristics, such as sex, age, education, history of drinking and smoking, family history of dementia and stroke, diabetes mellitus, hypertension, hyperlipidemia, cardiovascular disease. The hachinski ischemic score his is known to be a simple clinical tool, currently used for differentiating major types of dementia, such as primary degenerative. The value of hachinski s ischaemic score in differentiating between alzheimers disease and vascular dementias was demonstrated. The subcortical ischaemic form sivd frequently causes cognitive impairment and dementia in elderly people. Patients are scored according to certain clinical features. The hachinski ischemic score his is known to be a simple clinical tool, currently used for differentiating major.
Pdf prospective neuropathological validation of hachinskis. Modified hachinski score for vascular dementia the soapnote. Hachinski, v, iadecola, c, petersen, rc et al 2006 national institute of neurological disorders and strokecanadian stroke network vascular cognitive impairment harmonization standards. Diagnostic evaluation of degenerative and vascular. How is modified hachinski ischemia scale abbreviated. The value of hachinskis ischaemic score in differentiating between alzheimers disease and vascular dementias was demonstrated. In addition vascular dementia is not a homogenous entity and it may be common for patients to present with both alzheimers and vascular pathology. Hachinski, vc, lassen, na, marshall, j 1974 multiinfarct dementia. Its performance was to some extent improved by assigning new. The hachinski ischemic scale his is a brief clinical tool that can be used to identify patients with vascular dementia. The validity ofhachinski ischemic score his in differentiating between alzheimers disease ad and vascular dementia vad has been questioned and compared with the gold standard autopsy. Mhis abbreviation stands for modified hachinski ischemia scale. Variability in scoring the hachinski ischaemic score age.
Hachinski ischaemia score hachinski vc, iliff ld, zilkha e, et al. Vladimir hachinski is a canadian clinical neuroscientist and researcher based at the schulich school of medicine and dentistry at western university. Several clinical vascular risk factors and magnetic resonance imaging mri brain lesions were evaluated. To confirm that the his can be used to differentiate related vad from ad in a thai population.
Hachinskis ischemic score and the diagnosis of vascular dementia. Mhis is defined as modified hachinski ischemia scale very rarely. Prospective neuropathological validation of hachinskis ischaemic. Clinical correlates of hachinski ischemic score and vascular. Multiinfarct dementia mid may be the second most common form of dementia in later life. Sep 19, 20 modified hachinski ischemic scale nacc version mhisnacc modified medical research council dyspnea scale mmrc modified rankin scale mrs. A total score of 4 or more was used by rosen as the cut point in the validation studies. Research article clinical correlates of hachinski ischemic score and vascular factors in cognitive function of elderly younhokimandohdaekwon daegu catholic university medical center, department of neurology, school of medicine, catholic university of daegu, daemyeong do ng, namgu, daegu, republic of korea.
The hachinski ischaemic scale is more useful in excluding vad at a low score, while a high score fails to differentiate between vad and the coexistence of vascular and degenerative dementia 8, 9. His was originally developed to establish a relationship between cerebral blood flow and dementia. The higher the score, the greater the risk of vascular dementia. Modified hachinski ischemic scale nacc version mhisnacc. The hachinski ischemic score his scale is a simple clinical tool proposed and currently used for differentiating types of dementia primary degenerative, vascular or multiinfarct, mixed type. Hachinski ischemic scale his was originally developed to establish a relationship between cerebral blood flow and dementia. There is evidence to suggest that the hachinski ischaemic score can be used to. The hachinski ischemic score his is the questionnaire most commonly used for diagnosis of vascular dementia. The hachinski ischemic score his scale is a simple clinical tool proposed and currently used for differentiating types of dementia primary. However, the studies which estimated the validity of this scale in. Clinical correlates of hachinski ischemic score and vascular factors in cognitive function of elderly table 1 demographic characteristics and vascular risk factors of subjects. Mar 19, 2019 the hachinski ischemic score his is known to be a simple clinical tool, currently used for differentiating major types of dementia, such as primary degenerative.
He is also a senior scientist at londons lawson health research institute. Optimizing the hachinski ischemic scale cerebrovascular. Mhis modified hachinski ischemia scale acronymfinder. Modified hachinski ischemic scale nacc version mhisnacc modified medical research council dyspnea scale mmrc modified rankin scale mrs. The hachinski ischemic score his is known to be a simple clinical tool, currently used for differentiating major types of dementia, such as primary degenerative, vascular or multiinfarct, and mixed type 1, 2. Pathological verification of ischemic score in differentiation of dementias. The hachinski ischemic score his is known to be a simple clinical tool, currently used for differentiating major types of dementia, such as. Modified hachinski ischemia scale how is modified hachinski. Started in 1995, this collection now contains 6769 interlinked topic pages divided into a tree of 31 specialty books and 732 chapters. The hachinski ischaemic score his was first introduced in 1975 as a clinical scale intended to differentiate cases of dementia resulting from multiple strokes. The hachinski ischemic score his is known to be a simple clinical tool, currently used for differentiating major types of dementia, such as primary degenerative, vascular or multiinfarct, and mixed type.
Pdf use of hachinski ischemic score in the memory clinic. Jul 04, 2019 the hachinski ischemic score his is known to be a simple clinical tool, currently used for differentiating major types of dementia, such as primary degenerative. The diagnosis of vascular dementia in the light of the new. The modified hachinski ischaemic scale is an attempt to differentiate alzheimers type dementia and multiinfarct dementia. Prospective neuropathological validation of hachinski. Modified hachinski ischemia scale how is modified hachinski ischemia scale abbreviated. Pathologic verification of ischemic score in differentiation of dementias. Table 1 clinical correlates of hachinski ischemic score and. Patients scoring 7 or greater are classified as having multiinfarct dementia, and patients scoring. The hachinski ischemic score his is known to be a simple clinical tool, posted in neurology tagged. Its conceptual basis rests on the view that vascular dementia is the result of strokes, not of general atherosclerosis or ischaemia. The aim of this study is to investigate the relationship between hachinski ischemic score his and vascular factors as well as between his and the cognitive function in elderly community.