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Biomedical subjects

S E Kurrle

Publications and source records attributed to S E Kurrle.

13 recordsLinked to original sources

Adherence with hip protectors: a proposal for standardised definitions.

Definitions of adherence, also termed compliance, with use of hip protectors have varied in published studies, making interpretation of results difficult. This paper proposes standard definitions of adherence with the use of hip protectors. Adherence is the wearing of hip protectors in accordance with the recommendations of the study protocol, and is measured as the amount of time hip protectors are worn. When reporting use of hip protectors in clinical trials investigators should indicate the specific definition of adherence used, explicitly state the recommendation that was made for use of hip protectors during the study, and describe the methods of recording adherence.

Activities of Daily Living↗

A randomised trial of hip protector use by frail older women living in their own homes.

OBJECTIVES: To investigate the efficacy and effectiveness of hip protectors in frail community living older women. DESIGN: Randomised controlled trial. SETTING: Aged care health services in New South Wales, Australia. PATIENTS: 600 women 74 years of age or more (mean age 83 years), who had two or more falls or one fall requiring hospital admission in the previous year, and who lived in their own homes. INTERVENTION: Use of hip protectors. MAIN OUTCOME MEASURES: Adherence with use of hip protectors, falls, incidence of hip fracture, and adverse effects of use of hip protectors. RESULTS: Adherence was approximately 53% over the duration of the study and hip protectors were worn at the time of 51% of falls in the intervention group. The risk of hip fracture when falling while wearing hip protectors, compared with a fall with no hip protectors in place, was significantly reduced (relative risk (RR) 0.23, 95% confidence interval (CI) 0.08 to 0.67). On an intention to treat analysis, 21 and 22 hip fractures occurred in the intervention and control groups respectively (adjusted RR 0.92, 95% CI 0.51 to 1.68). Three users of hip protectors sustained a hip fracture while wearing properly applied protectors, while 16 hip protector users (5%) developed minor local complications. CONCLUSIONS: Hip protectors prevent hip fractures in community dwelling older women if worn at the time of a fall. The overall effectiveness of hip protectors was not established in this study, because of incomplete adherence with use of the protectors, and limited statistical power.

Accidental Falls↗

Hip protectors in aged-care facilities: a randomized trial of use by individual higher-risk residents.

OBJECTIVES: To investigate the effect of use of external hip protectors on occurrence of hip fracture. DESIGN: Randomized controlled trial, with randomization at the individual level. SETTING: residential aged-care facilities in urban areas of New South Wales, Australia. PARTICIPANTS: 174 women, aged 75 years and older, who had had two or more falls or one fall requiring hospital admission in the previous 3 months, and who lived in hostels or nursing homes. Eighty-six subjects were in the intervention group and 88 in the control group. INTERVENTION: Use of external hip protectors and encouragement by nurses to use the protectors. MEASUREMENTS: Follow-up visits at approximately 2 weeks and 2, 10 and 18 months to determine falls and fall injury (including hip fracture); we also measured adherence to hip protector use. RESULTS: The mean age of participants was 85; they lived in 32 different aged-care facilities, two-thirds of which were nursing homes. Intervention and control groups had similar baseline characteristics, with a mean Barthel index of 58 at enrollment and a mean Short Portable Mental Status Questionnaire score of six errors, indicating severe disability and major cognitive impairment. During follow-up, a mean of 4.6 falls per person occurred. There was no difference in mortality, with 28 deaths in each group. Eight hip fractures occurred in the intervention group and seven in the control group (hazard ratio 1.46; 95% confidence interval 0.53-4.51). No hip fractures occurred when hip protectors were being worn as directed. Adherence was about 57% over the duration of the study and hip protectors were worn at the time of 54% of falls in the intervention group. Adherence varied markedly between institutions, but the greatest was about 80%. CONCLUSION: Hip protectors were not effective in reducing the incidence of hip fractures in this study, but because of low statistical power, a reduction in risk of hip fracture of up to 50% may not have been detected. There was limited adherence with their use, resulting in a large number of falls occurring without hip protectors in place. All hip fractures in the intervention group occurred when hip protectors were not being used.

Aged↗

The impact of domestic violence on individuals.

There is extensive evidence of the adverse effects of domestic violence across all age groups and cultural backgrounds. The impact of domestic violence may be long-term, affecting emotional adjustment, physical health and subsequent relationships. Health professionals should be aware of the confounding effect of youth, age and cultural diversity on presentation. Shame and isolation militate against disclosure. Specific, sensitive questioning that incorporates awareness of cultural and social issues is essential to detect domestic violence and initiate appropriate assistance.

Aged↗

Quality of life related to fear of falling and hip fracture in older women: a time trade off study.

OBJECTIVE: To estimate the utility (preference for health) associated with hip fracture and fear of falling among older women. DESIGN: Quality of life survey with the time trade off technique. The technique derives an estimate of preference for health states by finding the point at which respondents show no preference between a longer but lower quality of life and a shorter time in full health. SETTING: A randomised trial of external hip protectors for older women at risk of hip fracture. PARTICIPANTS: 194 women aged >/= 75 years enrolled in the randomised controlled trial or who were eligible for the trial but refused completed a quality of life interview face to face. OUTCOME MEASURES: Respondents were asked to rate their own health by using the Euroqol instrument and then rate three health states (fear of falling, a "good" hip fracture, and a "bad" hip fracture) by using time trade off technique. RESULTS: On an interval scale between 0 (death) and 1 (full health), a "bad" hip fracture (which results in admission to a nursing home) was valued at 0.05; a "good" hip fracture (maintaining independent living in the community) 0.31, and fear of falling 0.67. Of women surveyed, 80% would rather be dead (utility=0) than experience the loss of independence and quality of life that results from a bad hip fracture and subsequent admission to a nursing home. The differences in mean utility weights between the trial groups and the refusers were not significant. A test-retest study on 36 women found that the results were reliable with correlation coefficients within classes ranging from 0.61 to 0.88. CONCLUSIONS: Among older women who have exceeded average life expectancy, quality of life is profoundly threatened by falls and hip fractures. Older women place a very high marginal value on their health. Any loss of ability to live independently in the community has a considerable detrimental effect on their quality of life.

Accidental Falls↗

Hip protectors improve falls self-efficacy.

OBJECTIVES: To investigate the effect of use of external hip protectors on subjects' fear of falling and falls self-efficacy (belief in their own ability to avoid falling). DESIGN: Randomized controlled trial. SETTING: Aged-care health services in Sydney, Australia. PARTICIPANTS: 131 women aged 75 years or older, who had two or more falls or one fall requiring hospital admission in the previous year and who live at home. Sixty-one subjects were in the intervention group and 70 in the control group. INTERVENTION: Use of external hip protectors and encouragement to use the protectors by an adherence nurse. MEASUREMENTS: At the time of enrolment into a wider study examining the effect of hip protectors on hip fractures, participants recruited at home completed an assessment of fear of falling and falls efficacy as measured by the Falls Efficacy Scale and the Modified Falls Efficacy Scale. At 4-month follow-up, these scales were readministered by an observer who was not aware of the allocation of the participant to intervention or control groups. RESULTS: Fear of falling and falls self-efficacy, as measured by the Falls Efficacy and Modified Falls Efficacy Scales, were similar at baseline in both groups. Fear of falling was present at follow-up in 43% of subjects using hip protectors and 57% of the control group (chi2 = 2.58, P = 0.11). Hip protector users had greater improvement in falls self-efficacy at follow-up as measured by the Falls Efficacy Scale (t = 2.44, P = 0.016) and the Modified Falls Efficacy Scale (t = 2.08, P = 0.039). CONCLUSION: Hip protectors improve falls self-efficacy. As users of hip protectors feel more confident that they can complete tasks safely, they may become more physically active and require less assistance with activities of daily living.

Accidental Falls↗

How best to fix a broken hip. Fractured Neck of Femur Health Outcomes Project Team.

OBJECTIVES: To develop evidence-based guidelines for the treatment of proximal femoral fractures to optimise functional outcome while minimising length of stay in hospital. DATA SOURCES: Systematic literature search of MEDLINE and CINAHL computer databases, bibliographies, and current contents of key journals for 1966-1995. STUDY SELECTION: English-language randomised controlled trials of all aspects of acute-care hospital treatment of proximal femoral fracture among subjects aged 50 years and over with proximal femoral fractures not due to metastatic disease. DATA EXTRACTION: Two independent reviewers, blinded to authors, institution and study results, followed a standard Cochrane Collaboration protocol and assessed study quality and treatment conclusions. When necessary, a third review was performed to reach consensus. RESULTS: Of the 120 articles published between 1966 and December 1995, 97 met the inclusion criteria. Fifteen clinical interventions were reviewed. Five were supported by National Health and Medical Research Council (NHMRC) level I evidence (prophylactic anticoagulants, prophylactic antibiotics, regional anaesthesia, pressure-relieving mattresses, and internal surgical fixation), two had no supporting randomised controlled trial evidence (time to surgery, time to mobilisation after surgery) and the remainder were classified as having Level II evidence. A review of current practice (1993-94) identified wide variability in these interventions across five acute-care hospitals in the Northern Sydney Area Health Service. CONCLUSIONS: Randomised controlled trial evidence (NHMRC Levels I and II) exists for many, but not all, aspects of hip fracture treatment. There is a need for changes to be made to some aspects of practice in accordance with evidence-based guidelines.

Anesthesia, Conduction↗

Elder abuse: prevalence, intervention and outcomes in patients referred to four Aged Care Assessment Teams.

OBJECTIVE: To establish the prevalence and patterns of elder abuse, and outcomes of intervention, among patients of four Australian Aged Care Assessment Teams. DESIGN: Descriptive study, with victims identified retrospectively from medical records for the first three months, and prospectively form the remaining nine months, of 1994. SETTING: Four area-based Aged Care Assessment Teams in three States. PATIENTS: Referred patients over 65 years of age who lived in private homes and who met a predetermined definition of elder abuse. MAIN OUTCOME MEASURES: Prevalence of abuse, types of abuse and the effect of interventions. RESULTS: The overall prevalence of elder abuse in the study population was 1.2% (95% CI, 0.4%-2.0%). The rate identified retrospectively was double that identified prospectively. Psychological abuse was the most common form of abuse detected. Patterns of abuse were identified and related to psychopathology of the abuser (30%), dependency of the older person and carer stress (25%), domestic violence (19%), carer abuse (18%) and financial dependency (8%). Interventions and outcomes varied according to the pattern of abuse. CONCLUSION: Our findings on the factors causing elder abuse are consistent with those identified in previous Australian studies. The prevalence of elder abuse detected in this study was lower than that in other Australian and overseas studies. A more uniform approach to detection is necessary, which may be aided by improved identification and management techniques, and appropriate training of health professionals in aged care services in case definition, interventions and management.

Aged↗

General practice and dementia. A national survey of Australian GPs.

OBJECTIVE: To find out what difficulties general practitioners (GPs) experience with diagnosing and managing dementia. DESIGN: Postal questionnaire to a random stratified sample of one in seven active Australian GPs (2182 of 14,932). RESULTS: 1473 GPs (67.5%) responded to the questionnaire. The results indicated reasonable knowledge about diagnostic features of dementia and good insight into common issues facing family carers. Even so, GPs had difficulties with diagnosis and management of dementia and wanted assessment protocols and educational programs. A minority of GPs regularly screened elderly patients for cognitive impairment but the majority relied on passive means of diagnosing dementia. Although generally positive about Aged Care Assessment Teams (ACATs) and Aged Care Community Services (ACCS), GPs expressed some concerns about these services. CONCLUSIONS: Recommendations arising from the survey were: development of an assessment protocol and a screening instrument, regular cognitive check-ups for patients over 75 years, educational programs, improved coordination with Aged Care Assessment Teams and Community Services, inventories and registers of local community services and residential facilities, and appropriate Medicare rebates.

Australia↗

Patterns of elder abuse.

OBJECTIVE: To establish the rate of occurrence and patterns of elder abuse, and outcomes of intervention, in an Australian population. DESIGN: Retrospective review of medical records over a 12-month period from July 1990 to June 1991. SETTING: An area-based geriatric and rehabilitation service attached to a district hospital. PATIENTS: Referred patients over 65 years of age, who lived in private homes and who met a predetermined definition of elder abuse. RESULTS: The rate of occurrence of elder abuse in the study population was 4.6%, with 29 cases of psychological abuse, 25 cases of physical abuse, 16 cases of neglect, and 13 cases of material/financial abuse. Patterns of abuse were identified and related to dependency of the older person (42%), psychopathology of the abuser (37%), family violence (14%), and carer stress (5%). Interventions and outcomes varied according to the pattern of abuse. CONCLUSION: The rate of occurrence and patterns of abuse of the elderly have been established for the first time in an Australian population. Intervention aimed at reducing the impact of elder abuse is effective, and should be tailored to the pattern of abuse that is occurring.

Aged↗

Elder abuse--an Australian case series.

OBJECTIVE: To report a series of older patients who had been physically abused or neglected and to describe their disabilities and social situation, the abuser, interventions offered and outcomes. DESIGN: A retrospective case series. Patients were included if they met the requirements of a predetermined definition of physical abuse or neglect. SETTING: An area-based geriatric and rehabilitation service attached to a district hospital. PATIENTS: Fifteen men and women aged over 65 who met the requirements of our definition of abuse and who were referred to the service over a 12-month period. For each patient an abuser was identified. RESULTS: Risk factors for elder abuse were a high degree of dependency of the elderly person resulting from cognitive or physical impairment; psychopathology in the abuser or stress on the carer. Intervention was effective for a majority of the patients. CONCLUSIONS: The findings are similar to those of overseas studies. Awareness of the problem and early intervention with counseling, provision of appropriate services and accommodation are likely to be successful in limiting the impact of elder abuse.

Aged↗