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- Normal_pressure_hydrocephalus abstract "Normal pressure hydrocephalus (NPH), also termed symptomatic hydrocephalus, is a type of brain malfunction caused by excessive production of cerebrospinal fluid (CSF). Its typical symptoms are gait disturbance, urinary incontinence, and dementia or mental decline. It is difficult to diagnose because the symptoms are common to several other diseases. The usual treatment is installation of a shunt to drain excess CSF into another part of the body. This treatment can reverse the symptoms and restore normal functioning, or it may do so partially, or it may not succeed (see below).NPH is caused by an increase in intracranial pressure (ICP) due to an abnormal accumulation of CSF in the ventricles of the brain, which can cause the ventricles to enlarge (ventriculomegaly). The intracranial pressure gradually falls but still remains slightly elevated, and the CSF pressure reaches a high normal level of 150 to 200 mmH2O. Measurements of ICP, therefore, are not usually elevated. Because of this, patients do not exhibit the classic signs that accompany increased intracranial pressure such as headache, nausea, vomiting, or altered consciousness, although some studies have shown pressure elevations to occur intermittently. However, the enlarged ventricles put increased pressure on the adjacent cortical tissue and cause myriad effects in the patient. The classic symptom triad (gait disturbance, urinary incontinence, and dementia) was first described by Hakim and Adams in 1965. NPH is often misdiagnosed as Parkinson's disease, Alzheimer's disease, or dementia, due to its chronic nature and nonspecific presenting symptoms [see below]. Although the exact mechanism is unknown, normal-pressure hydrocephalus is thought to be a form of communicating hydrocephalus with impaired CSF reabsorption at the arachnoid granulations.There are two types of normal pressure hydrocephalus: idiopathic and secondary. The secondary type of NPH can be due to a subarachnoid haemorrhage, head trauma, tumour, infection in the central nervous system, or a complication of cranial surgery.Recent population-based studies have estimated the prevalence of NPH to be about 0.5% in those over 65 years old, with an incidence of about 5.5 patients per 100,000 of people per year. This is in accordance with comparable findings stating that although normal pressure hydrocephalus can occur in both men and women of any age, it is found more often in the elderly population, with a peak onset generally in the sixth to seventh decades.Patients with dementia who are confined to a nursing home and may have undiagnosed NPH can possibly become independent again once treated. So far only one study was able to evaluate the prevalence of NPH, both diagnosed and undiagnosed, among residents of assisted-living facilities, showing a prevalence in 9 to 14% of the residents.".
- Normal_pressure_hydrocephalus diseasesdb "9089".
- Normal_pressure_hydrocephalus emedicineSubject "neuro".
- Normal_pressure_hydrocephalus emedicineTopic "277".
- Normal_pressure_hydrocephalus icd10 "G91.2".
- Normal_pressure_hydrocephalus icd9 "331.9, 331.5".
- Normal_pressure_hydrocephalus medlineplus "000752".
- Normal_pressure_hydrocephalus meshId "D006850".
- Normal_pressure_hydrocephalus wikiPageExternalLink Hydrocephalus.
- Normal_pressure_hydrocephalus wikiPageExternalLink hydrocephalus.
- Normal_pressure_hydrocephalus wikiPageExternalLink when-it-really-nph.
- Normal_pressure_hydrocephalus wikiPageID "1055119".
- Normal_pressure_hydrocephalus wikiPageRevisionID "598880443".
- Normal_pressure_hydrocephalus diseasesdb "9089".
- Normal_pressure_hydrocephalus emedicinesubj "neuro".
- Normal_pressure_hydrocephalus emedicinetopic "277".
- Normal_pressure_hydrocephalus hasPhotoCollection Normal_pressure_hydrocephalus.
- Normal_pressure_hydrocephalus icd "331.9".
- Normal_pressure_hydrocephalus icd "G91.2".
- Normal_pressure_hydrocephalus medlineplus "752".
- Normal_pressure_hydrocephalus meshid "D006850".
- Normal_pressure_hydrocephalus name "Normal pressure hydrocephalus".
- Normal_pressure_hydrocephalus wordnet_type synset-disease-noun-1.
- Normal_pressure_hydrocephalus subject Category:Brain_disorders.
- Normal_pressure_hydrocephalus subject Category:Geriatrics.
- Normal_pressure_hydrocephalus type Abstraction100002137.
- Normal_pressure_hydrocephalus type Attribute100024264.
- Normal_pressure_hydrocephalus type BrainDisorder114085708.
- Normal_pressure_hydrocephalus type BrainDisorders.
- Normal_pressure_hydrocephalus type Condition113920835.
- Normal_pressure_hydrocephalus type Disease114070360.
- Normal_pressure_hydrocephalus type Disorder114052403.
- Normal_pressure_hydrocephalus type IllHealth114052046.
- Normal_pressure_hydrocephalus type Illness114061805.
- Normal_pressure_hydrocephalus type NervousDisorder114084880.
- Normal_pressure_hydrocephalus type PathologicalState114051917.
- Normal_pressure_hydrocephalus type PhysicalCondition114034177.
- Normal_pressure_hydrocephalus type State100024720.
- Normal_pressure_hydrocephalus type Disease.
- Normal_pressure_hydrocephalus type AilmentCondition.
- Normal_pressure_hydrocephalus type Situation.
- Normal_pressure_hydrocephalus comment "Normal pressure hydrocephalus (NPH), also termed symptomatic hydrocephalus, is a type of brain malfunction caused by excessive production of cerebrospinal fluid (CSF). Its typical symptoms are gait disturbance, urinary incontinence, and dementia or mental decline. It is difficult to diagnose because the symptoms are common to several other diseases. The usual treatment is installation of a shunt to drain excess CSF into another part of the body.".
- Normal_pressure_hydrocephalus label "Hidrocefalia normotensiva".
- Normal_pressure_hydrocephalus label "Idrocefalo normoteso".
- Normal_pressure_hydrocephalus label "Normal pressure hydrocephalus".
- Normal_pressure_hydrocephalus label "Normaldruckhydrozephalus".
- Normal_pressure_hydrocephalus label "Wodogłowie normotensyjne".
- Normal_pressure_hydrocephalus label "正常圧水頭症".
- Normal_pressure_hydrocephalus sameAs Normaldruckhydrozephalus.
- Normal_pressure_hydrocephalus sameAs Hidrocefalia_normotensiva.
- Normal_pressure_hydrocephalus sameAs Presio_normaleko_hidrozefalia.
- Normal_pressure_hydrocephalus sameAs Idrocefalo_normoteso.
- Normal_pressure_hydrocephalus sameAs 正常圧水頭症.
- Normal_pressure_hydrocephalus sameAs Wodogłowie_normotensyjne.
- Normal_pressure_hydrocephalus sameAs m.0421qr.
- Normal_pressure_hydrocephalus sameAs Q1712213.
- Normal_pressure_hydrocephalus sameAs Q1712213.
- Normal_pressure_hydrocephalus sameAs Normal_pressure_hydrocephalus.
- Normal_pressure_hydrocephalus wasDerivedFrom Normal_pressure_hydrocephalus?oldid=598880443.
- Normal_pressure_hydrocephalus isPrimaryTopicOf Normal_pressure_hydrocephalus.
- Normal_pressure_hydrocephalus name "Normal pressure hydrocephalus".