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Biomedical subjects

D Kidd

Publications and source records attributed to D Kidd.

43 records · Page 3Linked to original sources
PubMed1993

Aspiration in acute stroke: a clinical study with videofluoroscopy.

To assess the incidence of lung aspiration in acute stroke, and attempt to identify factors which render such patients at risk of aspiration, consecutive patients admitted to hospital within 24 h of their first symptomatic stroke were studied prospectively. Sixty patients who were conscious, and who did not have any preceding neurological or other cause of dysphagia, were assessed clinically and underwent a bedside water-swallowing test and videofluoroscopy within 72 h of stroke. Twenty-five patients (42%) were seen to aspirate at videofluoroscopy; of these 20% did not have overt dysphagia as detected by a simple water-swallowing test. Factors found to be significantly associated with aspiration were reduced pharyngeal sensation, dysphagia and stroke severity. Aspiration is common in the early period following acute stroke; disordered pharyngeal sensation is an important concomitant of this and should be carefully tested in each patient admitted with acute stroke.

Aged↗
PubMedDate not supplied

Macroscopic and microscopic assessments of disease burden by MRI in multiple sclerosis: relationship to clinical parameters.

We have evaluated macroscopic white matter abnormalities (visible lesions) together with microscopic abnormalities in the normal appearing white matter (NAWM) of patients with multiple sclerosis (MS) to determine their relative contributions to the development of disability. The total visible lesion volume (TLV) was computed as a measure macroscopic changes, whereas both texture analysis and T2 were used as possible indicators of diffuse disease in the NAWM. Dual echo T2-weighted SE images were obtained from 41 patients with definite MS: 10 primary progressive (PP), 11 secondary progressive (SP), 10 benign (BE), 10 early relapsing remitting (ERR), as well as from 10 healthy controls. Calculation of T2 and texture parameters were performed in a region of frontal NAWM of patients and controls. The TLV of each patient was measured using a semiautomated lesion detection program. No significant differences were found between the controls and the patients for all texture parameters examined. However, NAWM T2 was longer in the patients than in the controls (P = .02). Mean TLV was highest for SP and lowest for BE and ERR patients. A significant correlation was found between TLV and EDSS (P < .01) but not between NAWM T2 or texture and expanded disability status score (EDSS). Our study suggest that: (a) diffuse changes are present in NAWM, (b) texture analysis is unable to detect any subtle structure in the NAWM abnormalities, possibly because of the limited image resolution; (c) in the development of disability in MS, macroscopic lesions are more important than microscopic abnormalities in the NAWM.

Adult↗
PubMedDate not supplied

The assessment of handicap: an evaluation of the Environmental Status Scale.

The assessment and measurement of disability and handicap are of particular relevance in rehabilitation, as these are the main foci of therapeutic intervention. The area of handicap is the least developed with few measuring tools to provide an objective assessment of status. The Environmental Status Scale (ESS) is now becoming increasingly utilized to measure handicap. It was used in a study of 50 patients on admission and discharge in a neurorehabilitation unit, to analyse its validity and usefulness as an outcome measure of the rehabilitation process. The results suggest it has limited validity, mixes disability and handicap issues and in some sections has a misleading scoring system. It requires modification to overcome these difficulties.

Disability Evaluation↗