Pick Disease Treatment & Management
- Author: Anna M Barrett, MD; Chief Editor: Michael Hoffmann, MBBCh, MD, FCP(SA), FAAN, FAHA more...
Approach Considerations
On first evaluation, discontinue medications that can impair memory or cause confusion (eg, anticholinergic drugs, sedatives, benzodiazepines). Consider empiric treatment for symptoms that are consistent with depression and/or sleep disorders. Consider administering thiamine empirically (100-300 mg intravenous [IV]/intramuscular [IM]).
Because dysfunction of cortical cholinergic systems does not occur in Pick disease, the use of acetyltransferase inhibitors in this condition makes less sense than it does in the treatment of Alzheimer disease or dementia with Lewy bodies. Nonetheless, class II studies have suggested that they might be of some benefit. The few published studies assessing the efficacy of memantine in frontotemporal dementias have had equivocal results. Some research has indicated that drugs that modulate the serotonergic system may be helpful for treating behavioral symptoms in frontotemporal dementias.
On second evaluation, treat any systemic conditions that were identified and discuss performing a lumbar puncture and HIV testing with the patient and family. If prominent inattention is present and epilepsy is considered, consider further second-line workup, including electroencephalography or an empiric trial of an anticonvulsant. Consider referral to a case manager, geriatric nurse practitioner, or other dementia resource person or group for social-family issues.
On third evaluation, perform a lumbar puncture, treat any conditions identified on testing, and consider consultation with a behavioral neurologist or geriatric psychiatrist. Share dementia information and reading material with the family. Consider a brain biopsy if the diagnosis is in doubt or if substantial benefit will result for the patient and/or family with a tissue diagnosis.
Inpatient care
The second and third steps of the 3-step dementia workup could be accomplished as an inpatient procedure. Be wary of hospitalization-related delirium, sundowning, or agitation. Such a hospitalization could be completed over 2 days, with initial contact made by a case manager. This could be particularly useful if the diagnosis is unclear or if the patient lives in a rural location remote from dementia specialty services, since referral for brain biopsy may be expedited.
Outpatient care
Periodic follow-up care is indicated to manage problem behaviors or clinical problems of the patient, to support the caregiver, or to reevaluate the diagnosis if it is in doubt.
If paranoia, depression, or other behavioral problems manifest, pharmacologic treatments can be tailored to address these problems.
Diet
High sugar content foods may need to be restricted in some patients with carbohydrate craving, which may indicate Klüver-Bucy syndrome.
Decompensation
People with Pick Disease who are relatively high functioning may decompensate while in a hospital or other unfamiliar setting during illness or medical intervention. This should be considered when contemplating elective surgery or other nonessential interventions (eg, cataract removal).
Consultations
Patient care can include consultations with a neuropsychologist, behavioral neurologist, geriatric psychiatrist, or neuropsychiatrist. For patients with progressive aphasia, consultation with a speech pathologist for family and patient education and, in rare cases, referral for a computerized communication assistive device, can be beneficial.
Consultation with a nurse practitioner or a geriatric or psychiatric case manager (social worker) experienced with dementia is indicated. If needed, such professionals can be located through a local chapter of the Alzheimer's Association or the state Department of Aging. While the patient is able to participate, a family contact (eg, durable power of attorney) can be designated to decide care-giving and/or end-of-life issues.
The nurse or case manager also can assist caregivers with stress management, teach behavioral techniques, provide referral to day programs, and assess a patient who may need to be admitted for short- or long-term management of behavioral problems.
In situations in which a strong family history of frontotemporal dementia or Pick disease is present, unaffected family members may desire genetic testing. It cannot be overstressed that this should be performed only after informed genetic counseling, preferably in a specialty center familiar with the genetics of dementing disorders. In this setting, testing may be of benefit.[23]
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