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Biomedical subjects

A M Clarfield

Publications and source records attributed to A M Clarfield.

At least 19 recordsLinked to original sources
PubMed1996

Do consensus conferences influence their participants?

OBJECTIVE: To determine whether participation in a consensus conference on the assessment of dementia would influence conference participants with respect to their recommendations to primary care physicians for the assessment of dementia. DESIGN: Questionnaire before and after the conference. SETTING: Canadian Consensus Conference on the Assessment of Dementia, held in Montreal, Oct. 5 and 6, 1989. PARTICIPANTS: All 38 experts representing relevant health disciplines who participated in the consensus conference; 36 completed both questionnaires. OUTCOME MEASURES: Participants' opinion before and after the conference as to how frequently each of 28 manoeuvres (12 blood tests, 4 neurologic imaging procedures, 4 types of consultation and 8 "other" tests) should be ordered by primary care physicians as part of an assessment of a patient with dementia suspected in clinical grounds. RESULTS: For 18 (64%) of the 28 manoeuvres (10 of the 12 blood tests, 3 of the 4 neurologic imaging procedures and 5 of the 8 "other" tests), there was a shift in opinion after the conference toward recommending that primary care physicians order them less often; for 10 of these 18 (5 blood tests and 5 "other" tests) the shift was statistically significant. For the remaining 10 manoeuvres (36%) the shift in opinion was toward a recommendation that primary care physicians order them more often; the shift was not statistically significant for any of these 10 manoeuvres. CONCLUSION: Expert members of a consensus conference are influenced by the process of having participated in such a conference and are capable and willing to chance their initial recommendations when confronted with relevant data.

Clinical Laboratory Techniques↗
PubMed1991

Adequacy of preparation for barium enema among elderly outpatients.

OBJECTIVE: To determine whether outpatients 75 years of age or older have a higher rate of inadequate bowel preparation for barium enema and of complications associated with the preparation and the test than patients aged 55 to 74 years. DESIGN: Cross-sectional survey. SETTING: Radiology department in a teaching hospital. PATIENTS: Patients 55 years or older referred for a barium enema from March to August 1988. OUTCOME MEASURES: All films were reviewed independently by a study radiologist blind to the staff radiologist's report. Patients were interviewed by telephone within several days after the test to assess the occurrence of problems during the preparation or the test. MAIN RESULTS: Of the 213 patients assessed 72 were excluded: 43 refused to participate or could not be contacted, 16 had previously undergone colonic surgery, and 13 were excluded for other reasons. The remaining 141 patients were separated into three age groups: those 55 to 64 years (46 patients), those 65 to 74 (47) and those 75 or older (48). In 104 cases (74%) the bowel had been prepared adequately; there was no significant difference between the three groups with regard to the adequacy of preparation. The incidence of problems reported by the patients did not differ significantly between the groups. CONCLUSIONS: Outpatients aged 75 years or more are no more likely than those aged 55 to 74 to have problems with bowel preparation or the barium enema itself. Age should not be a criterion for exclusion from barium enema. To try to lower the rate of poor bowel preparation clinicians and radiologists should consider counselling patients more carefully about the importance of proper preparation. Also, the current method of preparation could be examined to determine whether simple changes would significantly improve colon cleanliness.

Aged↗
PubMed1991

What a loss!

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Child↗
PubMed1991

Medical home care services for the housebound elderly.

In our health jurisdiction the proportion of elderly people is more than double the national average, and there is a severe shortage of both home care services and long-term care beds. To help the many elderly housebound people without primary medical care we initiated a medical services home care program. The goals were patient identification, clinical assessment, medical and social stabilization, matching of the housebound patient with a nearby family physician willing and able to provide home care and provision of a backup service to the physician for consultation and help in arranging admission to hospital if necessary. In the program's first 2 years 105 patients were enrolled; the average age was 78.9 years. More than 50% were widowed, single, separated or divorced, over 25% lived alone, and more than 40% had no children living in the city. In almost one-third of the cases there had never been a primary care physician, and in another third the physician refused to do home visits. Before becoming housebound 15% had been seeing only specialists. Each patient had an average of 3.2 active medical problems and was functionally quite dependent. Thirty-five of the patients were surveyed after 1 year: 24 (69%) were still at home, and only 1 (3%) was in a long-term care institution; 83% were satisfied with the care provided, and 79% felt secure that their health needs were being met. One-third of the patients or their families said that it was not easy to reach the physician when necessary. We recommend that programs similar to ours be set up in health jurisdictions with a high proportion of elderly people. To recruit and retain cooperative physicians hospital geriatric services must be willing to provide educational, consultative and administrative support.

Aged↗
PubMed1991

Appropriateness of patient transfer from a nursing home to an acute-care hospital: a study of emergency room visits and hospital admissions.

OBJECTIVE: To determine the appropriateness of transfers to acute care hospitals from a nursing home. DESIGN: Nursing home and hospital records of all the nursing home residents during the 3-year study period were reviewed retrospectively to determine: number and type of transfers; problems identified in the nursing home justifying the transfers; diagnoses made at the hospitals; length of hospital stays; outcome of hospital visits. SETTING: An 80-bed public nursing home. SUBJECTS: 112 residents in the nursing home over the 3-year study period. MAIN OUTCOME MEASURES: Based on the decision of the hospital physician, those transfers resulting in hospital admissions were considered appropriate. As well, transfers to the emergency room with return to the nursing home without hospital admission were also judged to be appropriate if the problems required diagnostic and therapeutic procedures not available in the nursing home. RESULTS: During the 3-year study period, 55 residents (49%) were transferred a total of 102 times. An average of 26% of patients were transferred each year. Direct admissions to acute hospitals accounted for 17% of the transfers, transfers to the emergency room with subsequent admission for 34%, and transfers to the emergency room with subsequent return to the nursing home without admission for 45%. Four percent of patients transferred died in the emergency room. On the basis of the outcome measure, 7% of all transfers could have been diagnosed and treated in the nursing home and were considered inappropriate. CONCLUSIONS: The majority of transfers from this nursing home to acute-care hospitals were appropriate.

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