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PubMed2005

Predictors of functional impairment in residents of assisted-living facilities: the Maryland Assisted Living study.

BACKGROUND: Assisted living is a popular residential option for older individuals, yet little research has been done on people choosing this option. This study examines predictors of functional impairment in assisted living residents in the domains of cognition, mood, and health. METHODS: An experienced team of neuropsychiatrists, nurses, and technicians using a number of cognitive, behavioral, health, and functional status tests and a cross-sectional study design assessed 198 residents of 22 assisted living facilities in Maryland. Data from these evaluations were used in univariate and multiple regression models to identify predictors of functional impairment, operationalized as the sum of the scores on two scales, one measuring impairment in basic activities of daily living and one measuring impairment in instrumental activities of daily living. RESULTS: Greater cognitive impairment, worse depression, and worse medical health were significant independent predictors of functional impairment, together explaining a sizeable portion of the variance (adjusted R2=0.434). None of the demographic variables examined individually, including age and education, was predictive of functional impairment. In an analysis of specific cognitive domains, executive dysfunction, impairment of visuospatial skills, and amnesia were significant predictors of impairment, whereas inattention was not. CONCLUSION: Executive dysfunction, apraxia, memory impairment, depression, and general medical health are all significant predictors of functional impairment in assisted living residents, with executive dysfunction being the strongest. These results may be instrumental in developing a more efficient model of care for residents of assisted living facilities, one based on having accurate predictive models of degree of impairment.

Activities of Daily Living↗
PubMed2002

Living situation, subjective quality of life and social network among individuals with schizophrenia living in community settings.

OBJECTIVE: To investigate the relationships between characteristics of the living situation in the community and subjective quality of life and social network among community-based individuals with schizophrenia. METHOD: A total of 418 individuals with schizophrenia from 10 sites were interviewed with regard to quality of life, psychopathology, social network and needs for care. Characteristics of the living situation investigated were: living alone or not, living with family or not, and having an independent or a sheltered housing situation. RESULTS: An independent housing situation was related to a better quality of life concerning living situation and living with the family to a better quality of life concerning family relations. An independent housing situation was associated with a better social network regarding availability and adequacy of emotional relations. CONCLUSION: People with schizophrenia with an independent housing situation have a better quality of life associated with more favorable perceptions of independence, influence, and privacy. Their social network is better irrespective of whether they live alone or not, or with family or not.

Activities of Daily Living↗
PubMed2005

Living with motor neurone disease: lives, experiences of services and suggestions for change.

Palliative care involves the complete, holistic care of people with progressive illness and their families. People living with motor neurone disease (MND) require a range of multidisciplinary palliative care services. However, there are significant gaps in our understanding of these people's lives, experiences of services and their suggestions for service change. The present study addressed the following questions: (1) What are the lived experiences of people living with MND? (2) What are people's experiences of services? and (3) Can improvements to care be identified? A qualitative research design was adopted using semi-structured interviews. The topic guide was developed from existing literature. The study was based in three boroughs in London, UK. People living with MND and professionals were drawn from a database at King's College Hospital, and additionally, through 'snowball' sampling. Nine people with MND, five carers/family members and 15 professionals took part in the interviews. These interviews were audio-taped, transcribed and checked for accuracy against the original recordings. Themes within the interviews were coded and grouped. The analysis was facilitated with the NVIVO computer software package. The findings are presented within three substantive groups: (1) the impact of MND on people's lives (the physical impacts of the illness, including increasing disability; social issues, including restrictions on social activities; and adjustments to people's lives, including methods of coping with the illness); (2) experiences of services (accessing service entitlements, information sources, professionals' attitudes and approaches, and professionals' knowledge and understanding of MND); and (3) suggestions for service change (better information and communication, including information on service entitlements; improved knowledge amongst professionals about MND; and some suggestions for service restructuring). This study brings a fresh approach to understanding the impacts of MND and the ways in which services can be improved to meet people's needs. The paper concludes with methodological considerations, the implications of the findings for practitioners and policy makers, and suggestions for further research.

Activities of Daily Living↗
PubMed1997

Saving lives in the present versus saving lives in the future--is there a framing effect?

This study considers how to compare programs which are designed to save lives. "To estimate the discount rate for lives saved in the future a number of studies have been carried out on the trade-off between saving lives now and in the future. A telephone survey is administered to about 1,700 individuals [in Sweden] to test if the framing of the question affects the estimated trade-off. In one sample the question is framed as saving 100 lives today versus saving x future lives and in one sample the question is framed as saving 100 future lives versus saving y lives today. The result shows that the framing has a major impact on the trade-off."

Demography↗
PubMed1979

Cellular interaction between fixed and living cells. Transfer of radioactive materials from living cells to fixed cells.

Transfer of radioactive materials to fixed cells from an overlying layer of living cells has been examined to determine whether fixed cells can act as acceptors of glycosyltransferases of living cells. After the incubation of living cells were removed by EDTA treatment, and the radioactivity associated with the fixed cells was determined. Lipids, proteins and carbohydrates were found to be transfered from the living cells to the fixed cells. The amount of radioactivity transferred to the fixed cells was dependent on the number of both fixed and living cells and increased with the time of incubation. When fixed cells were treated with chloroform-methanol before the addition of living cells, the transfer of both lipids and proteins to the fixed cells decreased drastically, but only a slight decrease incarbohydrate transfer was observed. Most of the radioactive materials transferred from living cells labeled with glucosamine or fucose to chloroform-methanol-treated fixed cells were solubilized by trypsin but not by the detergents tested. Approximately 55% of the materials transferred from the cells labeled with glucosamine could be solubilized by hyaluronidase and chondroitinase, and the rest was solubilized by neuraminidase and a glycosidase mixture. The treatment of chloroform-methanol-extracted fixed cells with trypsin caused a significant decrease in the transfer from cells labeled with glucosamine. When nucleotide sugars were used as the radioactive precursor, no significant amount of radioactivity was transferred to the fixed cells.

Autoradiography↗
PubMed2000

Living unrelated donors in kidney transplants: better long-term results than with non-HLA-identical living related donors?

BACKGROUND: Given the severe organ shortage and the documented superior results obtained with living (vs. cadaver) donor kidney transplants, we have adopted a very aggressive policy for the use of living donors. Currently, we make thorough attempts to locate a living related donor (LRD) or a living unrelated donor (LURD) before proceeding with a cadaver transplant. METHODS: We compared the results of our LURD versus LRD transplants to determine any significant difference in outcome. RESULTS: Between 1/1/84 and 6/30/98, we performed 711 adult kidney transplants with non-HLA-identical living donors. Of these, 595 procedures used LRDs and 116 used LURDs. Immunosuppression for both groups was cyclosporine-based, although LURD recipients received 5-7 days of induction therapy (antilymphocyte globulin or antithymocyte globulin), whereas LRD recipients did not. LURD recipients tended to be older, to have inferior HLA matching, and to have older donors than did the LRD recipients (all factors potentially associated with decreased graft survival). Short-term results, including initial graft function and incidence of acute rejection, were similar in the two groups. LURD recipients had a slightly higher incidence of cytomegalovirus disease (P=NS). We found no difference in patient and graft survival rates. However, the incidence of biopsy-proven chronic rejection was significantly lower among LURD recipients (16.7% for LRD recipients and 10.0% for LURD recipients at 5 years posttransplant; P=0.05). LRD recipients also had a greater incidence of late (>6 months posttransplant) acute rejection episodes than did the LURD recipients (8.6% vs. 2.6%, P=0.04). The exact reason for these findings is unknown. CONCLUSION: Although LURD recipients have poorer HLA matching and older donors, their patient and graft survival rates are equivalent to those of non-HLA-identical LRD recipients. The incidence of biopsy-proven chronic rejection is lower in LURD transplants. Given this finding and the superior results of living donor (vs. cadaver) transplants, a thorough search should be made for a living donor-LRD or LURD-before proceeding with a cadaver transplant.

Adult↗
PubMed2005

Making choices: how older people living in independent living units decide to enter the acute care system.

Older people living in independent living units make choices about where they live and the degree of support required to maximize their health and well-being. This can include when to enter the acute care system. Using a multimethod, multistage qualitative approach, this study aims to explore and describe the decision-making process of older people living in independent living units to enter the acute care system. Based on the findings, recommendations are provided which can ensure that older people do not enter acute care facilities until they need to, or if they do need to, they can access the care they require and leave with the best possible chance of not re-entering unnecessarily. The findings highlight that it is not enough to focus on the older person at the point of entry into the acute care system so the recommendations aim to assist in the development of best-practice initiatives for older people living in independent living units.

Acute Disease↗
PubMed2003

Subpopulations of long-lived and short-lived T cells in advanced HIV-1 infection.

Antigenic stimulation of T cells gives rise to short-lived effector cells and long-lived memory cells. We used two stable isotope-labeling techniques to identify kinetically distinct subpopulations of T cells and to determine the effect of advanced infection with HIV-1. Long-term deuterated water (2H2O) incorporation into DNA demonstrated biphasic accrual of total and of memory/effector (m/e)-phenotype but not naive-phenotype T cells, consistent with the presence of short-lived and longer-lived subpopulations within the m/e-phenotype T cell pool. These results were mirrored by biphasic die-away kinetics in m/e- but not naive-phenotype T cells after short-term 2H-glucose labeling. Persistent label retention was observed in a subset of m/e-phenotype T cells (presumably memory T cells), confirming the presence of T cells with very different life spans in humans. In advanced HIV-1 infection, much higher proportions of T cells were short-lived, compared to healthy controls. Effective long-term anti-retroviral therapy restored values to normal. These results provide the first quantitative evidence that long-lived and quiescent T cells do indeed predominate in the T cell pool in humans and determine T cell pool size, as in rodents. The greatest impact of advanced HIV-1 infection is to reduce the generation of long-lived, potential progenitor T cells.

Anti-HIV Agents↗
PubMed1992

The effect of live weight gain and live weight loss on body composition of Merino wethers: dissected muscle, fat, and bone.

Sheep were slaughtered after live weight gain (LWG) and live weight loss (LWL) to evaluate the effect of different periods of normal and retarded growth on dissected carcass components. Thirty-five Merino wether sheep were allowed ad libitum access to the experimental diet of 80% alfalfa chaff and 20% cereal grain (17.23% CP and 18.10 MJ/kg of GE) to grow from 23.0 to 33.0 kg live weight and then fed to lose 10 kg at 133 g/d. Five animals were slaughtered at live weights of 23.0, 26.3, 29.6, and 33.0 kg during LWG and 29.6, 26.3, and 23.0 kg during LWL. Fleece-free empty BW was similar in both LWG and LWL animals at all common slaughter weights because of the lesser and greater weights of the alimentary tract contents and the fleece, respectively, in the LWL animals. Carcass weight or dissected side weight was greater in LWL animals at each common slaughter weight but significantly so (P less than .05) at the 23.0 kg live weight only. Total side muscle weight was similar in LWG and LWL animals at each common slaughter weight, but the proportion of muscle in the dissected side weight was lower (P less than .05) in LWL animals at 23.0 kg live weight. Total side fat, subcutaneous fat, intermuscular fat, and kidney and channel fat weights were all greater in LWL animals at each common slaughter weight, but significantly so (P less than .05) at the 23.0 kg live weight only. Total side bone weight was higher at both 26.3 kg (P less than .01) and 23.0 kg (P less than .05) in the LWL animals. Weight loss in young sheep mobilized more weight of muscle than fat from the carcass, whereas bone weight was constant.

Adipose Tissue↗
PubMed2003

[The health status and health care use of elderly living in sheltered residences. A comparison with independently living elderly].

A sheltered residence for older persons is a living arrangement in between independent living and a residential institution. There is little knowledge about the health of elderly living in these residences. We studied the physical, functional and psychosocial health of 401 persons living in a sheltered residence for elderly in Zwolle through a standardised interview. We compared the health of these elderly to the health of independently living elderly in the same region studied in the Longitudinal Aging Study Amsterdam and adjusted for sex, age and married state. We found an impaired functional health and more chronic illnesses among elderly living in a sheltered residence. In addition, more medication was used (OR = 2.4). The studied elderly felt more often depressed (OR = 1.9) or lonely (OR = 1.7). Their mental state was more frequently impaired (OR = 1.7), they visited health professionals more often and received more help for personal care (OR = 2.0) and housekeeping (OR = 1.6). We conclude that people living in sheltered residences form a distinct group of elderly, characterised by impaired physical, functional and psychosocial health. Planners of future care must be aware of this vulnerable group.

Aged↗
PubMed2006

Differences in nutrient intakes and physical activity levels of Japanese and Australian Caucasian males living in Australia and Japanese males living in Japan.

The aim of the study was to determine the nutritional status and nutrient intakes of young Japanese males living in Australia and compared with Japanese males living in Japan and Australian Caucasian males. Four-day dietary records were obtained from 65 Japanese living in Australia (JA), 81 Japanese living in Japan (JJ), and 70 Australian Caucasian males (AA) aged 18-30 years old, together with body composition and physical activity level assessments using anthropometry and the questionnaire. Australian males were significantly taller and heavier than the Japanese counterparts and also showed a greater percent body fat (%BF) and height-corrected sum of skinfolds compared with Japanese males living in Japan (%BF: JJ = 16.6 +/- 5.2, AA = 18.7 +/- 5.6; height corrected sum of skinfolds: JJ = 78.8 +/- 37.3, AA = 96.0 +/- 39.5) (P<0.05). A greater proportion of Australian Caucasian males (98.6%) were involved in vigorous physical exercise than Japanese males (JA = 72.3%; JJ = 85.2%). The JA group consumed a greater amount of energy from protein and fat sources as well as greater calcium, iron, dietary fibre and niacin equivalents intakes than the JJ group (P<0.05). The results suggest that Japanese males living in Australia consumed more energy-dense westernised diet than Japanese males living in Japan. Because of lower physical activity level than Australian males, consumption of energy-dense diet may increase the risk of weight gain among Japanese males who stay in Australia for a long-term.

Adolescent↗
PubMed2004

Hepatectomy of living donors with a left-sided gallbladder and multiple combined anomalies for adult-to-adult living donor liver transplantation.

The left-sided gallbladder is very rare, but it is often accompanied by multiple anomalies of the liver, by which living donor hepatectomy cannot be feasible or becomes difficult. We have experienced 3 donors with a left-sided gallbladder out of 642 living donors. The first case was a male donor showing bifurcating portal anomaly with intrahepatic right portal vein confluence and extremely low bifurcation of the bile ducts. The right lobe was retrieved and implanted to his father. The second case was a male donor revealing trifurcating portal anomaly with separate right posterior portal branch and replacing right posterior hepatic artery. The right posterior segment graft was retrieved and implanted to his uncle. The third case was a male volunteer in whom the anterior portion of the medial segment was fed by an aberrant branch of the right anterior segment glisson. The small left lobe was retrieved and implanted simultaneously with another living donor's left lobe graft in the form of a dual living donor liver transplantation. There was no donor morbidity or recipient complication. Although there is a high possibility of diverse liver anomalies in living donors with a left-sided gallbladder, complete preoperative evaluation and mapping of the multiple anatomical variations may make certain types of living donor hepatectomy feasible.

Abnormalities, Multiple↗
PubMed2003

Patients' attitudes about living donor transplantation and living donor nephrectomy.

BACKGROUND: The growing shortage of organs available for transplantation has resulted in an increased use of living donors for kidney transplantation. The laparoscopic nephrectomy is a new procedure used to remove kidneys from donors. The study objective was to explore the attitudes of recipients and donors toward living donor kidney transplantation and the impact of the laparoscopic donor nephrectomy on donors' and recipients' acceptance of living donor kidney transplantation. METHODS: Tailored self-administered questionnaires were mailed to kidney donors, potential donors, recipients and potential recipients who visited the University of Maryland School of Medicine Division of Transplantation between January 1998 and May 2001. RESULTS: The laparoscopic donor nephrectomy helped recipients and potential recipients with their decision to accept a kidney from a living donor (recipients: 53% strongly agreed, 36% agreed; potential recipients: 42% strongly agreed, 46% agreed). To a lesser extent, the laparoscopic donor nephrectomy assisted donors and potential donors with their decision to donate (donors: 19% strongly agreed, 20% agreed; potential donors: 20% strongly agreed, 20% agreed). Potential recipients and recipients identified 2 barriers to accepting living donor kidney transplantation: they were unwilling to accept a kidney if it meant this would financially burden their donors, and they worried that their donors might succumb to a future kidney problem. CONCLUSION: Overall, the study found a positive attitude toward living donor kidney transplantation and laparoscopic donor nephrectomy. This new surgical procedure seemed to positively influence recipients and potential recipients to accept a kidney. In contrast, it had less impact on donors' and potential donors' willingness to give their kidney.

Adult↗
PubMed2006

The influence of socio-demographic factors, treatment perceptions and attitudes to living donation on willingness to consider living kidney donor among kidney transplant candidates.

BACKGROUND: Living donor, compared with cadaveric donor kidney transplantation, is associated with prolonged graft survival and increased life expectancy for patients with end-stage renal disease (ESRD). However, access to living donor transplantation remains variable. Our objective was to further our understanding of the factors associated with the willingness to consider living donor kidney transplant (LDKTx). METHODS: All patients from two tertiary care hospitals being assessed for a LDKTx (n = 81), and a random sample of patients on the waiting list for a cadaveric kidney transplant (CDKTx, n = 133) were invited to participate. A mail survey assessed participants' socio-demographic characteristics, and perceptions of dialysis, CDKTx and LDKTx. Multivariable logistic regression was used to assess the influence of these factors on willingness to consider LDKTx. RESULTS: Adjusting for patient age, employment status and number of close relatives, willingness to consider an LDKTx was independently associated with a lower perceived risk of peri-operative complications to the donor (adjusted OR 3.59, P = 0.02), the perception that the recipient would live longer following living donor transplantation (adjusted OR 4.34, P = 0.003) and greater perceived appropriateness of asking a family member to donate a kidney (adjusted OR 5.06, P = 0.007). CONCLUSION: Among the ESRD patients studied, adjusting for key factors that may be associated with access to LDKTx, perceptions about risks to the donor and benefits to the recipient were independently associated with a willingness to consider LDKTx as a treatment option. Provision of standardized comprehensible information about all treatment options to patients with ESRD may improve acceptance rates for living donor transplantation.

Adult↗
PubMed2006

Rates of acute care admissions for frail older people living with met versus unmet activity of daily living needs.

OBJECTIVES: To determine whether older people who do not have help for their activity of daily living (ADL) disabilities are at higher risk for acute care admissions and whether entry into a program that provides for these needs decreases this risk. DESIGN: A longitudinal cohort study. SETTING: Thirteen nationwide sites for the Program of All-inclusive Care for the Elderly (PACE). PACE provides comprehensive medical and long-term care to community-living older adults. PARTICIPANTS: Two thousand nine hundred forty-three PACE enrollees with one or more ADL dependencies. MEASUREMENTS: Unmet needs were defined as the absence of paid or unpaid assistance for ADL disabilities before PACE enrollment. Hospital admissions in the 6 months before PACE enrollment and acute admissions in the first 6 weeks and the 7th through 12th weeks after enrollment were determined. RESULTS: Those who lived with unmet ADL needs before enrollment were more likely to have a hospital admission before PACE enrollment (odds ratio (OR) = 1.28, 95% confidence interval (CI) = 1.01-1.63) and an acute admission in the first 6 weeks after enrollment (OR = 1.45, 95% CI = 1.00-2.09) but not after 6 weeks of receiving PACE services (OR = 0.86, 95% CI = 0.53-1.40). CONCLUSION: Frail older people who live without needed help for their ADL disabilities have higher rates of admissions while they are living with unmet ADL needs but not after their needs are met. With state governments under increasing pressure to develop fiscally feasible solutions for caring for disabled older people, it is important that they be aware of the potential health consequences of older adults living without needed ADL assistance.

Activities of Daily Living↗