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Biomedical subjects

D B Larson

Publications and source records attributed to D B Larson.

At least 37 records · Page 2Linked to original sources
PubMed1997

Factors influencing views of patients with gynecologic cancer about end-of-life decisions.

OBJECTIVE: This study was undertaken to assess the life views, practices, values, and aspirations of women with various stages of gynecologic cancer. STUDY DESIGN: A self-administered questionnaire was completed by 108 women with various stages of cancer and 39 women with benign gynecologic disease. The questionnaire included items on demographics in addition to 16 multiple choice and 4 true-false items. The four questions related to criteria of good care, degree of involvement in decision making, psychosocial well-being, religious experience, and aspirations form the basis of this study. The data were analyzed with the Pearson chi 2 test (Systat, version 5.1) with significance set at p < 0.05. RESULTS: The women in this study placed greatest emphasis on receiving "straight talk" (96%) and compassion (64%) from their physicians. The newly diagnosed group put significantly less emphasis on compassion (33%, p = 0.037). Less than half expected their physicians to cure (43%, 56% for newly diagnosed) or contain (49%) the disease. For these women fear was the most dominant psychosocial consequence of having cancer, with difficulty communicating or feeling abandoned, isolated, or embarrassed less common. Those who specified their ears were afraid of pain (63% vs 39% for patients with benign disease, p = 0.019), dying (56%), losing control (48%), or becoming totally dependent (46%). Seventy-six percent indicated that religion had a serious place in their lives, with 49% becoming more religious since their cancer diagnosis, whereas no one became less religious. Ninety-three percent believed that the religious commitment helped sustain their hopes. CONCLUSIONS: These data suggest that (1) physicians should aim to educate their patients sufficiently for them to exercise control over their experience, to allay their fears, and to make personal decisions that further their aspirations, (2) patients in different stages of disease varied in their perceptions of themselves and their aspirations, (3) patients are dealing with fear as a primary problem, and (4) women with gynecologic cancer depend on their religious convictions and experiences as they cope with the disease.

Adult↗
PubMed1997

Marriage and family therapists and the clergy: a need for clinical collaboration, training, and research.

This article calls for greater collaboration between clergy and marriage and family therapists. It spells out the reasons for potential collaboration and suggests some specific ways it can occur. Marriage and family therapists acknowledge the highest rates of religious involvement of any mental health profession, placing them in a unique position to be involved in the continuing education of clergy. There is a clear need for research to understand how marriage and family therapists and clergy can more effectively work together. The dearth of research, training, and collaboration between the two vocations is all the more unfortunate given the clear evidence of the importance of religion in the personal lives of the clients we serve.

Adaptation, Psychological↗
PubMed1997

Attendance at religious services, interleukin-6, and other biological parameters of immune function in older adults.

OBJECTIVE: First, to examine and explain the relationship between religious service attendance and plasma Interleukin-6 (IL-6) levels, and second, to examine the relationship between religious attendance and other immune-system regulators and inflammatory substances. METHODS: During the third in-person interview (1992) of the Establishment of Populations for Epidemiologic Studies of the Elderly (EPESE) project, Duke site, 1718 subjects age sixty-five or over had blood drawn for analysis of immune regulators and inflammatory factors, including IL-6 measurements. IL-6 was examined both as a continuous variable and at a cutoff of 5 pg/ml. Information on attendance at religious services was available from the 1992 interview and two prior interviews (1986 and 1989). RESULTS: Religious attendance was inversely related to high IL-6 levels (> 5 pg/ml), but not to IL-6 measured as a continuous variable. Bivariate analyses revealed that high religious attendance in 1989 predicted a lower proportion of subjects with high IL-6 in 1992 (beta-.10, p = .01) High religious attendance in 1992 also predicted a lower proportion of subjects with high IL-6 levels in 1992 (beta-.14, p = .0005). When age, sex, race, education, chronic illnesses, and physical functioning were controlled, 1989 religious attendance weakened as a predictor of high IL-6 (beta-.07, p = .10), but 1992 religious attendance retained its effect (beta-.10, p = .02). When religious attenders were compared to non- attenders, they were only about one-half as likely to have IL-6 levels greater than 5 ng/ml (OR 0.58, 95% CI 0.40-0.84, p < .005). Religious attendance was also related to lower levels of the immune-inflammatory markers alpha-2 globulin, fibrin d-dimers, polymorphonuclear leukocytes, and lymphocytes. While controlling for covariates weakened most of these relationships, adjusting analyses for depression and negative life events had little effect. CONCLUSIONS: There is a weak relationship between religious attendance and high IL-6 levels that could not be explained by other covariates, depression, or negative life events. This finding provides some support for the hypothesis that older adults who frequently attend religious services have healthier immune systems, although mechanism of effect remains unknown.

Adaptation, Psychological↗
PubMed1997

Modeling the cross-sectional relationships between religion, physical health, social support, and depressive symptoms.

The authors examined models of the relationships between religious activities, physical health, social support, and depressive symptoms in a sample of 4,000 persons age 65 and over. Religious activity was examined first as a single composite construct and then split into three component variables that were examined individually. Religious activity as a single construct was correlated with both social support and good physical health but was unrelated to depression. Split into the three components, model fit was significantly increased. Frequency of church attendance was positively related to physical health and negatively related to depression, but was surprisingly unrelated to social support. Frequent churchgoers were about half as likely to be depressed. Private prayer/Bible reading was negatively correlated with physical health and positively correlated with social support, but unrelated to depression. Religious TV/radio listening was unrelated to social support, negatively related to good physical health, and, unexpectedly, positively associated with depression.

Activities of Daily Living↗
PubMed1997

Psychosocial predictors of mental health in a population of elderly women. Test of an explanatory model.

The understanding of adjustment to aging calls for models that illustrate the interaction of psychosocial and health factors. The authors surveyed a group of retired Catholic sisters, examining the contributions of psychosocial factors and religiousness to life satisfaction, psychological distress, and depression. Life satisfaction was best explained by a four-factor model that included mastery, social support, physical functioning, and religious commitment. General level of distress was best predicted by physical functioning, social support, and mastery, but not religiousness. Depression, on the other hand, was predicted by mastery, social support, and religious commitment. These data are consistent with a proposed model in which internal, external, and coping resources mediate the psychological impact of impaired functional status.

Activities of Daily Living↗
PubMed1995

Recognizing and managing depression in primary care.

Depression is a common disorder in the primary care setting; it is associated with considerable distress and dysfunction. The management of depressed primary care patients can be complicated by the fact that these patients may lack insight into the cause of their symptoms and report only the somatic manifestations of their disorder to their physicians. Primary care patients may also be reluctant to accept a diagnosis of depression or referral to a mental health specialist. Primary care physicians may feel they lack the time or the training to adequately address their patients' depressive disorders. This paper presents a model for identifying, evaluating, and treating depression which has been specifically developed to help primary care physicians overcome these barriers.

Antidepressive Agents↗
PubMed1994

Expansion in bioreactors of human progenitor populations from cord blood and mobilized peripheral blood.

Umbilical cord blood (UCB) and mobilized peripheral blood (MPB) provide an alternate source to bone marrow for transplantation. Expansion in vitro of stem/progenitor cell populations from these sources may provide adult-sized grafts otherwise not attainable because of the limited cell numbers available in the case of UCB or because of numerous rounds of apheresis required for sufficient MPB cells. We asked whether continuous perfusion culture could be employed in ex vivo expansion to produce clinically relevant numbers of stem/progenitor cells from these sources. To evaluate MPB, 1-10 million leukocytes, from patients who had received either granulocyte colony-stimulating factor (G-CSF) or cyclophosphamide and granulocyte-macrophage colony-stimulating factor (GM-CSF), were inoculated into bioreactors, with or without irradiated, allogeneic stroma. The growth factor combination in the perfusion medium consisted of interleukin-3 (IL-3), stem cell factor (SCF), GM-CSF and erythropoietin (Epo). Under the best conditions tested, total cell numbers, granulocyte-macrophage colony-forming units (CFU-GM), and long-term culture-initiating cell (LTC-IC) populations were expanded by about 50-, 80-, and 20-fold, respectively, over 14 days. At low cell inocula (1 million), the presence of stroma enhanced the expansion of total cells and CFU-GM but not of LTC-IC. When SCF was not included in the medium, both total cells and CFU-GM expanded to a much lesser extent, but again the expansion of LTC-IC was not affected. At the higher cell inoculum (10 million), expansions of total cells and CFU-GM were equivalent with or without stroma. To evaluate UCB, cells were placed into bioreactors with or without irradiated, allogeneic stroma, and the bioreactors were perfused with medium containing the four standard growth factors. After 6-14 days, in several independent experiments, 20-24 million cells were harvested from bioreactors perfused with SCF-containing medium, irrespective of the presence or absence of preformed stroma. Similarly, in reactors perfused with SCF-containing medium (with or without stroma), an average 40- to 60-fold expansion of CFU-GM was obtained, yielding an average of 1.5-1.8 x 10(5) CFU-GM per reactor. Harvested cells were thus up to 40-fold enriched in CFU-GM in comparison to the inoculum. In the absence of SCF, cell expansions averaged 1.5- to 2-fold, and CFU-GM were expanded only 10- to 14-fold by day 14. As before, the presence of preformed stroma did not affect either cell or CFU-GM yields, provided the cell inoculum was at least 4.5 million cells.(ABSTRACT TRUNCATED AT 400 WORDS)

Adult↗
PubMed1993

Prayer and health during pregnancy: findings from the Galveston Low Birthweight Survey.

In this study we examined the relationship between praying for one's baby during pregnancy and self-ratings of health. Data were collected from a biethnic (black and Hispanic) sample of postpartum mothers in Galveston, Tex, from 1986 to 1987. This sample is representative of the annual biethnic population of live births in Galveston. Subjective health was assessed for the periods both before and during pregnancy with self-ratings of global or overall health, worry over health, and functional health or lack of disability. Analyses controlled for the effects of the mother's age, marital status, gravidity, education, and self-rated religiosity. Findings revealed that all three prepregnancy health measures were associated with prayer. Subjectively unhealthier mothers prayed more for their baby during pregnancy regardless of their perceived health during pregnancy, and subjectively healthier mothers prayed less for their baby regardless of their self-reported religiosity. Additional analyses revealed that the effect of poor health on the frequency of prayer was not simply an outcome of the mother's worry over her own health.

Adult↗
PubMed1993

Religious content in the DSM-III-R glossary of technical terms.

The authors reviewed Appendix C of DSM-III-R, Glossary of Technical Terms, for its references to religion. Religion was referred to more frequently in this glossary than it is in psychiatric research. The authors conclude that although the Glossary uses religion in constructive or cautionary reminders, the high rate of illustrative case examples of psychopathology that involve religion in the Glossary indicates cultural insensitivity in interpreting religion.

Humans↗
PubMed1992

Associations between dimensions of religious commitment and mental health reported in the American Journal of Psychiatry and Archives of General Psychiatry: 1978-1989.

The authors assessed all measures of religious commitment (N = 139) reported in research studies published in the American Journal of Psychiatry and Archives of General Psychiatry in 1978 through 1989 (N less than 35). For nearly two-thirds of the measures, the studies either made no hypotheses or reported no results concerning the relationship of religious commitment to mental health status. For the great majority of the measures assessed, the studies reported a positive relationship between religious commitment and mental health.

Humans↗
PubMed1992

An estimation of the impact of OBRA-87 on nursing home care in the United States.

The Omnibus Budget Reconciliation Act of 1987 (OBRA-87) established criteria for Medicare- or Medicaid-certified nursing homes to use in admitting or retaining mentally ill patients. In effect, the law created five dispositional categories for residents or potential residents of nursing homes. Using data from the 1985 National Nursing Home Survey conducted by the National Center for Health Statistics, the authors estimate what proportion of nursing home residents would fall into each of the categories. They suggest that the initial impact of the law will be to shift costs from federal programs to the states. Nursing homes will be expected to provide more mental health services. In the absence of other services, the regulations have a high potential for creating homelessness and continuing a pattern of failure to adequately serve patients with serious mental illness.

Activities of Daily Living↗
PubMed1992

Clinical and economic evaluation of benzodiazepines: a value analysis.

Benzodiazepines are one of the most frequently prescribed classes of medications in the world. Thought to relieve the symptoms of anxiety, insomnia, epilepsy, and some less common conditions, these medications are supported by a body of clinical trials demonstrating efficacy. However, there is also literature that suggests problems of abuse and dependence, along with some serious adverse effects. The present article utilises a value-analysis strategy to outline the clinical efficacy and economic efficiency of benzodiazepines from a variety of perspectives including those of the patient, physician and manufacturer. Results of this analysis suggest that these medications are effective when used appropriately, but that implementation of appropriate use is difficult. Remedies to this situation are discussed.

Benzodiazepines↗