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1.
PLoS One ; 19(2): e0297575, 2024.
Article in English | MEDLINE | ID: mdl-38300935

ABSTRACT

Computerized cognitive tests have the potential to cost-effectively detect and monitor cognitive impairments and thereby facilitate treatment for these conditions. However, relatively few of these tests have been validated in a variety of populations. Brain on Track, a self-administered web-based test, has previously been shown to have a good ability to differentiate between healthy individuals and patients with cognitive impairment in Portuguese populations. The objective of this study was to validate the differential ability and evaluate the usability of Brain on Track in a Swedish memory clinic setting. Brain on Track was administered to 30 patients with mild cognitive impairment/mild dementia and 30 healthy controls, all scheduled to perform the test from home after one week and after three months. To evaluate the usability, the patient group was interviewed after completion of the testing phase. Patients scored lower than healthy controls at both the first (median score 42.4 vs 54.1, p<0.001) and the second test (median score 42.3 vs 55.0, p<0.001). The test-retest intra-class correlation was 0.87. A multiple logistic regression model accounting for effects of age, gender and education rendered an ability of Brain on Track to differentiate between the groups with an area under the receiver operation characteristics curve of 0.90 for the first and 0.88 for the second test. In the subjective evaluation, nine patients left positive comments, nine were negative whereas five left mixed comments regarding the test experience. Sixty percent of patients had received help from relatives to log on to the platform. In conclusion, Brain on Track performed well in differentiating healthy controls from patients with cognitive impairment and showed a high test-retest reliability, on par with results from previous studies. However, the substantial proportion of patients needing help to log in could to some extent limit an independent use of the platform.


Subject(s)
Cognitive Dysfunction , Humans , Aged , Reproducibility of Results , Sweden , Cognitive Dysfunction/diagnosis , Cognitive Dysfunction/psychology , Neuropsychological Tests , Cognition , Internet
2.
J Am Acad Dermatol ; 63(3): 466-74, 2010 Sep.
Article in English | MEDLINE | ID: mdl-20708471

ABSTRACT

BACKGROUND: Treatment of palmar hyperhidrosis with botulinum toxin (BTX) requires effective anesthesia, but previous methods have not provided enough pain relief or have resulted in a prolonged impaired hand function. OBJECTIVE: This is a study of bilateral forearm intravenous regional anesthesia using prilocaine for BTX treatment of palmar hyperhidrosis. METHODS: In all, 166 patients (100 female and 66 male) were treated bilaterally with intracutaneous BTX type A injections using intravenous regional anesthesia with prilocaine (5 mg/mL). In a subgroup of patients, forearm nerves were studied with neurophysiologic methods and blood concentrations of prilocaine were measured. Pain evaluation with a visual analog scale was accompanied with a questionnaire about the treatment. RESULTS: In all, 95% of the patients answering the questionnaire (response rate 89%) were satisfied with the anesthetic effect. No serious adverse events occurred. There was a fast recovery of motor function (in median 6 minutes) and sensory function (in median 20 minutes). No subclinical signs of sensory nerve damage were found. LIMITATIONS: Recall and reporting bias are potential sources of limitations in this study. CONCLUSION: Bilateral forearm intravenous regional anesthesia provides an effective and well-tolerated anesthesia during BTX treatment of palmar hyperhidrosis.


Subject(s)
Botulinum Toxins/therapeutic use , Hyperhidrosis/drug therapy , Pilocarpine/administration & dosage , Adolescent , Adult , Anesthesia, Conduction/methods , Anesthesia, Intravenous , Botulinum Toxins/adverse effects , Cohort Studies , Female , Follow-Up Studies , Forearm , Hand , Humans , Hyperhidrosis/diagnosis , Male , Middle Aged , Nerve Block/methods , Pain/etiology , Pain/prevention & control , Pain Measurement , Patient Satisfaction , Prospective Studies , Quality of Life , Treatment Outcome , Young Adult
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