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- Jonhagen, ME, et al.
(författare)
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Intracerebroventricular infusion of nerve growth factor in three patients with Alzheimer's disease
- 1998
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Ingår i: Dementia and geriatric cognitive disorders. - : S. Karger AG. - 1420-8008 .- 1421-9824. ; 9:5, s. 246-257
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Tidskriftsartikel (refereegranskat)abstract
- Nerve growth factor (NGF) is important for the survival and maintenance of central cholinergic neurons, a signalling system impaired in Alzheimer’s disease. We have treated 3 patients with Alzheimer’s disease with a total of 6.6 mg NGF administered continuously into the lateral cerebral ventricle for 3 months in the first 2 patients and a total of 0.55 mg for 3 shorter periods in the third patient. The patients were extensively evaluated with clinical, neuropsychological, neurophysiological and neuroradiological techniques. Three months after the NGF treatment ended, a significant increase in nicotine binding was found in several brain areas in the first 2 patients and in the hippocampus in the third patient as studied by positron emission tomography. A clear cognitive amelioration could not be demonstrated, although a few neuropsychology tests showed slight improvements. The amount of slow-wave cortical activity as studied by electroencephalography was reduced in the first 2 patients. Two negative side effects occurred with NGF treatment: first, a dull, constant back pain was observed in all 3 patients, which in 1 patient was aggravated by axial loading resulting in sharp, shooting pain of short duration. When stopping the NGF infusion, the pain disappeared within a couple of days. Reducing the dose of NGF lessened the pain. Secondly, a marked weight reduction during the infusion with a clear weight gain after ending the infusion was seen in the first 2 patients. We conclude from this limited trial that, while long-term intracerebroventricular NGF administration may cause certain potentially beneficial effects, the intraventricular route of administration is also associated with negative side effects that appear to outweigh the positive effects of the present protocol. Alternative routes of administration, and/or lower doses of NGF, perhaps combined with low doses of other neurotrophic factors, may shift this balance in favor of positive effects.
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- Jonhagen, ME
(författare)
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Nerve growth factor treatment in dementia
- 2000
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Ingår i: Alzheimer disease and associated disorders. - : Ovid Technologies (Wolters Kluwer Health). - 0893-0341. ; 1414 Suppl 1, s. S31-S38
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Tidskriftsartikel (refereegranskat)
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- Santos, FS, et al.
(författare)
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Incidence, clinical features and subtypes of delirium in elderly patients treated for hip fractures
- 2005
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Ingår i: Dementia and geriatric cognitive disorders. - : S. Karger AG. - 1420-8008 .- 1421-9824. ; 20:4, s. 231-237
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Tidskriftsartikel (refereegranskat)abstract
- <i>Objective:</i> To describe the incidence, risk factors and clinical features (subtypes) of delirium during the postoperative period after hip fracture surgery in elderly patients. <i>Design:</i> Prospective study. <i>Methods:</i> Thirty-four consecutive patients (9 men and 25 women) were included in this study between June 16 to July 14, 2003. All patients underwent surgery for a fractured neck of femur and were pre- and postoperatively cared for at a combined geriatric/orthopedic ward. <i>Assessment:</i> The diagnosis of delirium was based on the criteria of the DSM-IV and the Confusion Assessment Method Scale. Subtypes of delirium were classified according to the criteria proposed by Lipowski: hyperactive-hyperalert (or agitated), hypoactive-hypoalert (somnolent) and mixed delirium. <i>Results:</i> Fifty-five percent (n = 19) of the 34 patients developed delirium after surgery. The development of delirium was associated with the medication midazolam taken perioperatively. Nine (47%) of the delirious patients had a hyperactive type of delirium; 5 (26%) developed a hypoactive delirium, and 5 (26%) had a mixed type. We did not find any association among subtypes of delirium and clinical features. <i>Conclusions:</i> Delirium is a common complication in the postoperative period of elderly patients treated for hip fractures. The use of midazolam in the perioperative period increased the risk of developing postoperative delirium. Thehyperactive type of delirium was the most common subtype of delirium.
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- Spangberg, K, et al.
(författare)
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SveDem, how do you do, Sweden?
- 2005
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Ingår i: INTERNATIONAL PSYCHOGERIATRICS. - 1041-6102. ; 17, s. 337-338
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Konferensbidrag (övrigt vetenskapligt/konstnärligt)
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