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Olson ET, Mathiason MA, Vermeesch A, Bliss D. A Nature-Based Intervention to Support the Well-Being of Baccalaureate Nursing Students. J Nurs Educ 2024; 63:116-119. [PMID: 38316160 DOI: 10.3928/01484834-20231205-07] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2024]
Abstract
BACKGROUND The high stress of nursing education can adversely affect students' well-being. Nature-based therapies aim to lessen stress. There is a gap in knowledge related to nature-based therapies and the nursing student population. The aims of this study were: (1) to describe the well-being of nursing students; and (2) to assess the effects of a nature-based intervention on students' anxiety, stress, relatedness, resilience, and well-being. METHOD This descriptive study included 28 nursing students at a midwestern university. Participants completed online questionnaires before and after a nature-based intervention at an arboretum that consisted of five 1-hour designated nature walks guided by an audio recording. RESULTS Participants' mean (SD) scores for well-being were classified as average before the intervention (54.3 [3.7]) and increased significantly after the intervention (55.3 [3.2]) (p = .04). CONCLUSION With rising stress and anxiety levels among college students, nature interventions can support nursing students' overall well-being. [J Nurs Educ. 2024;63(2):116-119.].
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Affiliation(s)
- Jo Booth
- Department of Nursing & Community Health, School of Health & Life SciencesGlasgow Caledonian University Glasgow UK
| | - Donna Bliss
- School of NursingUniversity of MinnesotaMinneapolis Minnesota
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Datte P, Baker J, Bliss D, Butler N, Celliers P, Cohen S, Crosley M, Edwards J, Erskine D, Fratanduono D, Frieders G, Galbraith J, Hess M, Johnson D, Jones M, LeChien K, Lusk J, Myers C, McCarville T, McDonald R, Natoni G, Olson M, Raman K, Robertson G, Shelton R, Shores J, Speas S, Spencer D, de Dios EV, Wong N. The design of a line velocity interferometer for any reflector for inertial confinement experiments on the Z-machine. Rev Sci Instrum 2020; 91:043508. [PMID: 32357683 DOI: 10.1063/1.5141093] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/04/2019] [Accepted: 03/26/2020] [Indexed: 06/11/2023]
Abstract
A line VISAR (Velocity Interferometer System for Any Reflector) has been designed and commissioned at the Sandia National Laboratory's Z-machine. The instrument consists of an F/2 collection system, beam transport, and an interferometer table that contains two Mach-Zehnder type interferometers and an eight channel Gated Optical Imaging (GOI) system. The VISAR probe laser operates at the 532 nm wavelength, and the GOI bandpass is 540-600 nm. The output of each interferometer is passed to an optical streak camera with four selectable sweep speeds. The system is designed with three interchangeable optics modules to select a full field of view of 1 mm, 2 mm, or 4 mm. The optical beam transport system connects the target image plane to the interferometers and the gated optical imagers. The target is integrated into a sacrificial final optics assembly that is integral to the transport beamline.
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Affiliation(s)
- P Datte
- Lawrence Livermore National Laboratory, P.O. Box 808, Livermore, California 94551, USA
| | - J Baker
- Sandia National Laboratory, P.O. Box 5800, Albuquerque, New Mexico 87185, USA
| | - D Bliss
- Sandia National Laboratory, P.O. Box 5800, Albuquerque, New Mexico 87185, USA
| | - N Butler
- Lawrence Livermore National Laboratory, P.O. Box 808, Livermore, California 94551, USA
| | - P Celliers
- Lawrence Livermore National Laboratory, P.O. Box 808, Livermore, California 94551, USA
| | - S Cohen
- Lawrence Livermore National Laboratory, P.O. Box 808, Livermore, California 94551, USA
| | - M Crosley
- Lawrence Livermore National Laboratory, P.O. Box 808, Livermore, California 94551, USA
| | - J Edwards
- Lawrence Livermore National Laboratory, P.O. Box 808, Livermore, California 94551, USA
| | - D Erskine
- Lawrence Livermore National Laboratory, P.O. Box 808, Livermore, California 94551, USA
| | - D Fratanduono
- Lawrence Livermore National Laboratory, P.O. Box 808, Livermore, California 94551, USA
| | - G Frieders
- Lawrence Livermore National Laboratory, P.O. Box 808, Livermore, California 94551, USA
| | - J Galbraith
- Lawrence Livermore National Laboratory, P.O. Box 808, Livermore, California 94551, USA
| | - M Hess
- Sandia National Laboratory, P.O. Box 5800, Albuquerque, New Mexico 87185, USA
| | - D Johnson
- Sandia National Laboratory, P.O. Box 5800, Albuquerque, New Mexico 87185, USA
| | - M Jones
- Sandia National Laboratory, P.O. Box 5800, Albuquerque, New Mexico 87185, USA
| | - K LeChien
- Lawrence Livermore National Laboratory, P.O. Box 808, Livermore, California 94551, USA
| | - J Lusk
- Lawrence Livermore National Laboratory, P.O. Box 808, Livermore, California 94551, USA
| | - C Myers
- Sandia National Laboratory, P.O. Box 5800, Albuquerque, New Mexico 87185, USA
| | - T McCarville
- Lawrence Livermore National Laboratory, P.O. Box 808, Livermore, California 94551, USA
| | - R McDonald
- Lawrence Livermore National Laboratory, P.O. Box 808, Livermore, California 94551, USA
| | - G Natoni
- Sandia National Laboratory, P.O. Box 5800, Albuquerque, New Mexico 87185, USA
| | - M Olson
- Sandia National Laboratory, P.O. Box 5800, Albuquerque, New Mexico 87185, USA
| | - K Raman
- Lawrence Livermore National Laboratory, P.O. Box 808, Livermore, California 94551, USA
| | - G Robertson
- Sandia National Laboratory, P.O. Box 5800, Albuquerque, New Mexico 87185, USA
| | - R Shelton
- Sandia National Laboratory, P.O. Box 5800, Albuquerque, New Mexico 87185, USA
| | - J Shores
- Sandia National Laboratory, P.O. Box 5800, Albuquerque, New Mexico 87185, USA
| | - S Speas
- Sandia National Laboratory, P.O. Box 5800, Albuquerque, New Mexico 87185, USA
| | - D Spencer
- Sandia National Laboratory, P.O. Box 5800, Albuquerque, New Mexico 87185, USA
| | - E Vergel de Dios
- Lawrence Livermore National Laboratory, P.O. Box 808, Livermore, California 94551, USA
| | - N Wong
- Lawrence Livermore National Laboratory, P.O. Box 808, Livermore, California 94551, USA
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Calabria B, Shakeshaft AP, Clifford A, Stone C, Clare PJ, Allan J, Bliss D. Reducing drug and alcohol use and improving well‐being for Indigenous and non‐Indigenous Australians using the Community Reinforcement Approach: A feasibility and acceptability study. Int J Psychol 2019; 55 Suppl 1:88-95. [DOI: 10.1002/ijop.12603] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2018] [Accepted: 05/13/2019] [Indexed: 11/12/2022]
Affiliation(s)
- Bianca Calabria
- Centre for Mental Health Research, Research School of Population Health Australian National University Acton ACT Australia
- Research School of Psychology Australian National University Acton ACT Australia
- National Drug and Alcohol Research Centre UNSW Australia Sydney NSW Australia
| | | | - Anton Clifford
- National Drug and Alcohol Research Centre UNSW Australia Sydney NSW Australia
| | - Chiara Stone
- National Drug and Alcohol Research Centre UNSW Australia Sydney NSW Australia
| | - Philip J. Clare
- National Drug and Alcohol Research Centre UNSW Australia Sydney NSW Australia
| | | | - Donna Bliss
- Yoorana Gunya Family Healing Centre Forbes NSW Australia
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Abrams P, Andersson KE, Apostolidis A, Birder L, Bliss D, Brubaker L, Cardozo L, Castro-Diaz D, O'Connell P, Cottenden A, Cotterill N, de Ridder D, Dmochowski R, Dumoulin C, Fader M, Fry C, Goldman H, Hanno P, Homma Y, Khullar V, Maher C, Milsom I, Newman D, Nijman RJ, Rademakers K, Robinson D, Rosier P, Rovner E, Salvatore S, Takeda M, Wagg A, Wagner T, Wein A. 6th International Consultation on Incontinence. Recommendations of the International Scientific Committee: EVALUATION AND TREATMENT OF URINARY INCONTINENCE, PELVIC ORGAN PROLAPSE AND FAECAL INCONTINENCE. Neurourol Urodyn 2018; 37:2271-2272. [DOI: 10.1002/nau.23551] [Citation(s) in RCA: 139] [Impact Index Per Article: 23.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2017] [Accepted: 01/16/2018] [Indexed: 11/11/2022]
Affiliation(s)
| | - Karl-Erik Andersson
- Division of Clinical Chemistry and Pharmacology; University of Lund; Lund Sweden
| | | | - Lori Birder
- University of Pittsburgh; Pittsburgh Pennsylvania
| | - Donna Bliss
- University of Minnesota; Minneapolis Minnesota
| | | | | | - David Castro-Diaz
- Hospital Universitario de Canarias. Universidad de La Laguna; Tenerife Spain
| | | | | | | | - Dirk de Ridder
- Department of Urology; University Hospitals KU Leuven; Leuven Belgium
| | | | | | | | | | - Howard Goldman
- Glickman Urologic and Kidney Institute; Cleveland Clinic; Cleveland Ohio
| | - Philip Hanno
- University of Pennsylvania; Philadelphia Pennsylvania
| | - Yukio Homma
- Japanese Red Cross Medical Center; Tokyo Japan
| | | | - Chris Maher
- University of Queensland; Brisbane Australia
| | - Ian Milsom
- University of Gothenburg; Gothenburg Sweden
| | - Diane Newman
- University of Pennsylvania; Philadelphia Pennsylvania
| | | | - Kevin Rademakers
- Maastricht University Medical Center; Maastricht The Netherlands
| | | | - Peter Rosier
- University Medical Center Utrecht; Utrecht The Netherlands
| | - Eric Rovner
- Medical University of South Carolina; Charleston South Carolina
| | | | | | - Adrian Wagg
- University of Alberta; Edmonton Alberta Canada
| | | | - Alan Wein
- University of Pennsylvania; Philadelphia Pennsylvania
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Bliss D, Harms S, Eberly LE, Savik K, Gurvich O, Mueller C, Wyman JF, Virnig B. Social Engagement After Nursing Home Admission: Racial and Ethnic Disparities and Risk Factors. J Appl Gerontol 2015; 36:1306-1326. [DOI: 10.1177/0733464815617285] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
Older adults admitted to nursing homes (NHs) are at risk for low social engagement, which has associations with medical, psychological, and social well-being. Minorities may be at a disadvantage for social engagement because of their racial or ethnic group identity. This study assessed whether there were racial/ethnic disparities in social engagement among older adults ( N = 15,927) at 1 year after their NH admission using multi-level predictors. No racial or ethnic-based disparities in social engagement were found; hence, an analysis of risk factors at NH admission that predicted low social engagement at 1 year for all residents was conducted. Significant risk factors for low social engagement were low social engagement at admission, deficits in activities in daily living and cognition, problems with vision and communication, and residing in an NH in an urban community. Results highlight the importance of initiating interventions to increase social engagement at the time of NH admission.
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Affiliation(s)
| | | | | | - Kay Savik
- University of Minnesota, Minneapolis, USA
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Calabria B, Clifford A, Shakeshaft AP, Conigrave KM, Simpson L, Bliss D, Allan J. Identifying Aboriginal-specific AUDIT-C and AUDIT-3 cutoff scores for at-risk, high-risk, and likely dependent drinkers using measures of agreement with the 10-item Alcohol Use Disorders Identification Test. Addict Sci Clin Pract 2014; 9:17. [PMID: 25179547 PMCID: PMC4158391 DOI: 10.1186/1940-0640-9-17] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2013] [Accepted: 08/20/2014] [Indexed: 11/25/2022] Open
Abstract
Background The Alcohol Use Disorders Identification Test (AUDIT) is a 10-item alcohol screener that has been recommended for use in Aboriginal primary health care settings. The time it takes respondents to complete AUDIT, however, has proven to be a barrier to its routine delivery. Two shorter versions, AUDIT-C and AUDIT-3, have been used as screening instruments in primary health care. This paper aims to identify the AUDIT-C and AUDIT-3 cutoff scores that most closely identify individuals classified as being at-risk drinkers, high-risk drinkers, or likely alcohol dependent by the 10-item AUDIT. Methods Two cross-sectional surveys were conducted from June 2009 to May 2010 and from July 2010 to June 2011. Aboriginal Australian participants (N = 156) were recruited through an Aboriginal Community Controlled Health Service, and a community-based drug and alcohol treatment agency in rural New South Wales (NSW), and through community-based Aboriginal groups in Sydney NSW. Sensitivity, specificity, and positive and negative predictive values of each score on the AUDIT-C and AUDIT-3 were calculated, relative to cutoff scores on the 10-item AUDIT for at-risk, high-risk, and likely dependent drinkers. Receiver operating characteristic (ROC) curve analyses were conducted to measure the detection characteristics of AUDIT-C and AUDIT-3 for the three categories of risk. Results The areas under the receiver operating characteristic (AUROC) curves were high for drinkers classified as being at-risk, high-risk, and likely dependent. Conclusions Recommended cutoff scores for Aboriginal Australians are as follows: at-risk drinkers AUDIT-C ≥ 5, AUDIT-3 ≥ 1; high-risk drinkers AUDIT-C ≥ 6, AUDIT-3 ≥ 2; and likely dependent drinkers AUDIT-C ≥ 9, AUDIT-3 ≥ 3. Adequate sensitivity and specificity were achieved for recommended cutoff scores. AUROC curves were above 0.90.
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Affiliation(s)
- Bianca Calabria
- National Drug and Alcohol Research Centre, University of New South Wales, Sydney, NSW, Australia.
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Callahan M, Harris M, Suscavage M, Bliss D, Bailey J. Synthesis and Growth of Gallium Nitride by the Chemical Vapor Reaction Process (CVRP). ACTA ACUST UNITED AC 2014. [DOI: 10.1557/s1092578300000661] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
A new process for synthesis and bulk crystal growth of GaN is described. GaN single crystal c-plane platelets up to 9mm by 2mm by 100μm thick have been grown by the Chemical Vapor Reaction Process (CVRP). The reaction between gallium and a nitrogen precursor is produced by sublimation of solid ammonium chloride in a carrier gas, which passes over gallium at a temperature of approximately 900°C at near atmospheric pressures. Growth rates for the platelets were 25-100 μm/hr in the hexagonal plane. Seeded growth in the c-direction was also accomplished by re-growth on previously grown c-plane platelets. The crystals were characterized by X-ray diffractometry, atomic force microscopy, secondary ion mass spectrometry, inert gas fusion, and room temperature Hall effect and resistivity measurements.
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Suscavage M, Harris M, Bliss D, Yip P, Wang SQ, Schwall D, Bouthillette L, Bailey J, Callahan M, Look DC, Reynolds DC, Jones RL, Litton CW. High Quality Hydrothermal ZnO Crystals. ACTA ACUST UNITED AC 2014. [DOI: 10.1557/s109257830000260x] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
Zinc Oxide crystals have historically been grown in hydrothermal autoclaves with a basic mineralizer; however, doubts have been raised about the quality of such crystals because they have often exhibited large x-ray rocking curve widths and low photoluminescence (PL) yield with large linewidths. Several ZnO crystals were grown hydrothermally and sliced parallel to the c-plane. This resulted in opposite surfaces (the C+ and C−) exhibiting pronounced chemical and mechanical differences. Different surface treatments were investigated and compared by PL both at room temperature and liquid helium temperatures, and by double axis X-ray rocking curve measurements. The high quality of hydrothermally-grown ZnO is substantiated by the narrow rocking curve widths and sharp PL peaks obtained. A critical factor in obtaining these results was found to be surface preparation.
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Bliss D, Rolnick C, Jackson J, Arntson C, Mullins J, Hepburn K. Health literacy needs related to incontinence and skin damage among family and friend caregivers of individuals with dementia. J Wound Ostomy Continence Nurs 2013; 40:515-23. [PMID: 24448620 PMCID: PMC3900878 DOI: 10.1097/won.0b013e3182a3ff24] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
PURPOSE The purpose of this study was to describe health literacy needs related to incontinence and skin care among family or friend caregivers of individuals with Alzheimer disease (AD) and develop supportive and educational materials that address these needs. DESIGN Descriptive. SUBJECTS AND SETTINGS The sample included 48 family/friend adult caregivers of individuals who had advanced dementia. Caregivers were spouses (44%), daughters (31%), or extended family members/friends (25%) recruited from community-based agencies, with a mean age of 64 ± 14 years (mean ± SD), and 75% were female. Nearly half (48%) had a racially or ethnically diverse background. METHODS Focus groups, interviews, and written surveys were conducted to assess health literacy needs of AD caregivers related to incontinence and skin care; verbal responses were audiotaped, transcribed, and summarized. To address these needs, a set of educational and supportive materials was developed, whose content was directed by caregiver responses and supported by a literature review of current evidence and consultation with clinical and research experts. Study procedures were guided by an advisory committee of AD caregivers. RESULTS Caregivers had numerous health literacy needs related to incontinence and skin care; areas of need were categorized into knowledge, skills, and attitudes. Caregivers expressed a need to validate the health literacy they possessed. Fourteen educational and supportive documents were developed to address these needs. CONCLUSION Materials developed in this study are suitable to incorporate into interventions that support caregivers of persons with AD. They offer the potential to raise health literacy and care capacity of caregivers, increase communication with health care providers, and improve health outcomes of care recipients.
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Affiliation(s)
| | | | - Jody Jackson
- HealthPartners Research Foundation, Bloomington, MN
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Abstract
PURPOSE The purpose of this study was to investigate the lived experience of men managing fecal incontinence (FI). METHOD A phenomenological method was used to investigate the experience of FI. Eleven men participated in unstructured interviews. Van Manen's approach was used for data analysis. RESULTS The findings display men's experiences of living with FI through space, relationships, time and body. The essential theme generated from the analysis was "secret resignation." Resignation of having FI was the main coping strategy of the men in this study and was reflected in the limited approaches they used to manage their symptoms. The common reason of the resignation was considering FI normal for them and a consequence of aging. DISCUSSION AND CONCLUSION The findings provide guidance to rehabilitation nurses to first inquire about the presence of FI, education men about its etiologies, and develop plans of care that address men's main concerns.
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Calabria B, Clifford A, Shakeshaft A, Allan J, Bliss D, Doran C. The acceptability to Aboriginal Australians of a family-based intervention to reduce alcohol-related harms. Drug Alcohol Rev 2012; 32:328-32. [DOI: 10.1111/j.1465-3362.2012.00525.x] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2012] [Accepted: 09/25/2012] [Indexed: 11/29/2022]
Affiliation(s)
- Bianca Calabria
- National Drug and Alcohol Research Centre; University of New South Wales; Sydney; Australia
| | - Anton Clifford
- Institute for Urban Indigenous Health and University of Queensland; Brisbane; Australia
| | - Anthony Shakeshaft
- National Drug and Alcohol Research Centre; University of New South Wales; Sydney; Australia
| | - Julaine Allan
- Centre for Inland Health; Charles Sturt University; The Lyndon Community; Orange; Australia
| | - Donna Bliss
- Yoorana Gunya Family Violence Healing Centre Aboriginal Corporation Inc.; Forbes; Australia
| | - Christopher Doran
- Hunter Medical Research Centre; University of Newcastle; Hunter Valley Research Foundation; Newcastle; Australia
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Phillips CR, Jiang J, Mohr C, Lin AC, Langrock C, Snure M, Bliss D, Zhu M, Hartl I, Harris JS, Fermann ME, Fejer MM. Widely tunable midinfrared difference frequency generation in orientation-patterned GaAs pumped with a femtosecond Tm-fiber system. Opt Lett 2012; 37:2928-2930. [PMID: 22825181 DOI: 10.1364/ol.37.002928] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/01/2023]
Abstract
We demonstrate a midinfrared source tunable from 6.7 to 12.7 μm via difference frequency generation (DFG) in orientation-patterned GaAs, with 1.3 mW average output power. The input pulses are generated via Raman self-frequency shift of a femtosecond Tm-doped-fiber laser system in a fluoride fiber. We numerically model the DFG process and show good agreement between simulations and experiments. We use this numerical model to show an improved design using longer pump pulses.
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Affiliation(s)
- C R Phillips
- E. L. Ginzton Laboratory, Stanford University, 348 Via Pueblo Mall, Stanford California 94305, USA.
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Abstract
BACKGROUND Clostridium difficile infection is increasing in incidence and severity. The optimal treatment is unknown. PURPOSE To determine whether, among adults with C. difficile infection, treatment with certain antibiotics compared with others results in differences in initial cure, recurrence, and harms. DATA SOURCES MEDLINE, AMED, ClinicalTrials.gov, and Cochrane databases (search dates: inception through August 2011, limited to English-language reports); bibliography review. STUDY SELECTION Randomized, controlled trials of adults with C. difficile infection, independent of outcomes, who were treated with medications available in the United States. Observational studies reporting strain were included. DATA EXTRACTION Study design, inclusion and exclusion criteria, quality and strength of evidence as assessed by 2 reviewers, study definitions, and duration of treatment and follow-up. Outcomes included initial cure, recurrence, and treatment harms. DATA SYNTHESIS 11 trials that included 1463 participants were identified. Three trials compared metronidazole with vancomycin; 8 compared metronidazole or vancomycin with another agent, combined agents, or placebo. Strain was analyzed in 1 trial and 2 cohort studies. No study comparing 2 antimicrobial agents demonstrated a statistically significant difference for initial cure; all comparisons were of low to moderate strength of evidence. Moderate-strength evidence from 1 study demonstrated that recurrence was decreased with fidaxomicin versus vancomycin (15% vs. 25%; difference, -10 percentage points [95% CI, -17 to -3 percentage points]; P=0.005). Subgroup analysis of a single study comparing metronidazole with vancomycin for patients who have severe C. difficile infection showed no difference by intention-to-treat analysis; this was rated as insufficient-strength evidence. Harms, when reported, did not differ between treatments in any study. LIMITATIONS Definitions of diarrhea, C. difficile infection, initial cure, and relapse varied. Some studies reported insufficient detail to allow assessment of all randomly assigned participants or of harms. CONCLUSION No antimicrobial agent is clearly superior for the initial cure of C. difficile infection. Recurrence is less frequent with fidaxomicin than with vancomycin. PRIMARY FUNDING SOURCE U.S. Department of Health and Human Services.
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Affiliation(s)
- Dimitri M Drekonja
- Minneapolis Veterans Affairs Health Care System, University of Minnesota Medical School, Minnesota Evidence-based Practice Center, Minneapolis, Minnesota 55417, USA.
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Yu F, Leon AS, Bliss D, Dysken M, Savik K, Wyman JF. Aerobic training for older men with Alzheimer's disease: individual examples of progression. Res Gerontol Nurs 2011; 4:243-50. [PMID: 21417188 DOI: 10.3928/19404921-20110303-01] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2010] [Accepted: 10/12/2010] [Indexed: 11/20/2022]
Abstract
Little is known about cardiorespiratory fitness and aerobic exercise training in older adults with Alzheimer's disease (AD). The purposes of this article are to describe the change in cardiorespiratory fitness after 2 months of aerobic training and the feasibility of aerobic training in 4 men with moderate-to-severe AD. A one-group, pretest-posttest test design was used to measure cardiorespiratory fitness using symptom limited, graded cycle ergometer testing. In exit interviews, participants and spouses identified exercise facilitators and barriers. The results show that cardiorespiratory fitness increased in 2 participants with moderate AD but decreased in 2 with severe AD. Participants showed great variability in exercise progression and doses actually delivered. In conclusion, older men with moderate-to-severe AD can engage in aerobic training. Two months might be better used as the adaptive period for longer duration aerobic training, such as a 6-month program. Suggestions and implications for future exercise research in AD are detailed.
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Affiliation(s)
- Fang Yu
- University of Minnesota School of Nursing, MN, USA.
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Westra BL, Savik K, Oancea C, Choromanski L, Holmes JH, Bliss D. Predicting improvement in urinary and bowel incontinence for home health patients using electronic health record data. J Wound Ostomy Continence Nurs 2011; 38:77-87. [PMID: 21287773 PMCID: PMC3057761 DOI: 10.1097/won.0b013e318202e4a6] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
PURPOSE The purpose of the study was to discover which patient and support system characteristics and interventions documented by home health clinicians were associated with improvement in urinary and bowel incontinence contrasting logistic regression and data mining approaches. SUBJECTS AND SETTING Seventeen hundred ninety-three patients in this study experienced 2072 episodes of care. The study sample comprised all nonmaternity patients aged 18 years or older receiving skilled home health services in 2004. Subjects were drawn from a convenience sample of 15 home health agencies . DESIGN We completed a secondary analysis of data from 15 home health agencies' electronic health records. Data for this study were documented by home care clinicians using the Outcome and Assessment Information Set (OASIS) structured assessment form and the Omaha System interventions, which is a standardized terminology. RESULTS There were 684 patients with urinary incontinence and 187 with bowel incontinence. By discharge 38% improved in urinary incontinence and 45% improved their bowel incontinence. Using logistic regression, no patient or support system characteristics were identified that associated with improvement in either urinary or bowel incontinence, only a limited number of interventions were significant. A data mining decision tree was producible only for bowel incontinence, demonstrating a combination of patient and support system factors as well as selected interventions were important in determining whether patients would improve in bowel incontinence. CONCLUSIONS Home health patients have complex comorbid conditions requiring home care nurses to have broad, generalized knowledge. Future research is needed to determine if the inclusion of a certified WOC nurse would improve outcomes.
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Affiliation(s)
- Bonnie L Westra
- School of Nursing, University of Minnesota, 6-135 Weaver-Densford Hall, Minneapolis, MN 55455, USA.
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Smith BA, Soderblom LA, Beebe R, Bliss D, Boyce JM, Brahic A, Briggs GA, Brown RH, Collins SA, Cook AF, Croft SK, Cuzzi JN, Danielson GE, Davies ME, Dowling TE, Godfrey D, Hansen CJ, Harris C, Hunt GE, Ingersoll AP, Johnson TV, Krauss RJ, Masursky H, Morrison D, Owen T, Plescia JB, Pollack JB, Porco CC, Rages K, Sagan C, Shoemaker EM, Sromovsky LA, Stoker C, Strom RG, Suomi VE, Synnott SP, Terrile RJ, Thomas P, Thompson WR, Veverka J. Voyager 2 in the uranian system: imaging science results. Science 2010; 233:43-64. [PMID: 17812889 DOI: 10.1126/science.233.4759.43] [Citation(s) in RCA: 80] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/02/2022]
Abstract
Voyager 2 images of the southern hemisphere of Uranus indicate that submicrometersize haze particles and particles of a methane condensation cloud produce faint patterns in the atmosphere. The alignment of the cloud bands is similar to that of bands on Jupiter and Saturn, but the zonal winds are nearly opposite. At mid-latitudes (-70 degrees to -27 degrees ), where winds were measured, the atmosphere rotates faster than the magnetic field; however, the rotation rate of the atmosphere decreases toward the equator, so that the two probably corotate at about -20 degrees . Voyager images confirm the extremely low albedo of the ring particles. High phase angle images reveal on the order of 10(2) new ringlike features of very low optical depth and relatively high dust abundance interspersed within the main rings, as well as a broad, diffuse, low optical depth ring just inside the main rings system. Nine of the newly discovered small satellites (40 to 165 kilometers in diameter) orbit between the rings and Miranda; the tenth is within the ring system. Two of these small objects may gravitationally confine the e ring. Oberon and Umbriel have heavily cratered surfaces resembling the ancient cratered highlands of Earth's moon, although Umbriel is almost completely covered with uniform dark material, which perhaps indicates some ongoing process. Titania and Ariel show crater populations different from those on Oberon and Umbriel; these were probably generated by collisions with debris confined to their orbits. Titania and Ariel also show many extensional fault systems; Ariel shows strong evidence for the presence of extrusive material. About halfof Miranda's surface is relatively bland, old, cratered terrain. The remainder comprises three large regions of younger terrain, each rectangular to ovoid in plan, that display complex sets of parallel and intersecting scarps and ridges as well as numerous outcrops of bright and dark materials, perhaps suggesting some exotic composition.
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Fader M, Bliss D, Cottenden A, Moore K, Norton C. Continence products: Research priorities to improve the lives of people with urinary and/or fecal leakage. Neurourol Urodyn 2010; 29:640-4. [DOI: 10.1002/nau.20918] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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Abstract
Although many women suffer from fecal incontinence (FI), little is known about their day-to-day experiences. The aims of this phenomenological study were to understand the experience of women living with FI from their perspective and to elicit women's self-care and management strategies for FI. Ten women participated in audiotaped, unstructured interviews that were transcribed into a written text. The text was analyzed using Van Manen's approach for deriving themes. The findings display the women's experience of lived time, lived space, lived relationships, and lived body and the essential theme of "controlling the body out of control." The findings demonstrate that FI is a problem that affects women in all dimensions of their lifeworld experience and describes the continual attention and self-management FI requires.
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Imeshev G, Fermann ME, Vodopyanov KL, Fejer MM, Yu X, Harris JS, Bliss D, Lynch C. High-power source of THz radiation based on orientation-patterned GaAs pumped by a fiber laser. Opt Express 2006; 14:4439-4444. [PMID: 19516596 DOI: 10.1364/oe.14.004439] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/27/2023]
Abstract
We demonstrate a new source of frequency-tunable THz wave packets based on parametric down-conversion process in orientation-patterned GaAs (OP-GaAs) that produces muW-level THz average powers at the repetition rate of 100 MHz. The OP-GaAs crystal is pumped by a compact all-fiber femtosecond laser operating at the wavelength of 2 mum. Such combination of fiber laser and OP-GaAs technologies promises a practical source of THz radiation which should be suitable for many applications including imaging and spectroscopy.
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Abstract
AIM The aim of this paper is to present a practical example of preparing a large set of Minimum Data Set records for analysis, operationalizing Minimum Data Set items that defined risk factors for perineal dermatitis, our outcome variable. BACKGROUND Research with nursing home elders remains a vital need as 'baby boomers' age. Conducting research in nursing homes is a daunting task. The Minimum Data Set is a standardized instrument used to assess many aspects of a nursing home resident's functional capability. United States Federal Regulations require a Minimum Data Set assessment of all nursing home residents. These large data would be a useful resource for research studies, but need to be extensively refined for use in most statistical analyses. Although fairly comprehensive, the Minimum Data Set does not provide direct measures of all clinical outcomes and variables of interest. METHOD Perineal dermatitis is not directly measured in the Minimum Data Set. Additional information from prescribers' (physician and nurse) orders was used to identify cases of perineal dermatitis. The following steps were followed to produce Minimum Data Set records appropriate for analysis: (1) identification of a subset of Minimum Data Set records specific to the research, (2) identification of perineal dermatitis cases from the prescribers' orders, (3) merging of the perineal dermatitis cases with the Minimum Data Set data set, (4) identification of Minimum Data Set items used to operationalize the variables in our model of perineal dermatitis, (5) determination of the appropriate way to aggregate individual Minimum Data Set items into composite measures of the variables, (6) refinement of these composites using item analysis and (7) assessment of the distribution of the composite variables and need for transformations to use in statistical analysis. RESULTS Cases of perineal dermatitis were successfully identified and composites were created that operationalized a model of perineal dermatitis. CONCLUSION Following these steps resulted in a data set where data analysis could be pursued with confidence. Incorporating other sources of data, such as prescribers' orders, extends the usefulness of the Minimum Data Set for research use.
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Affiliation(s)
- Kay Savik
- School of Nursing, University of Minnesota, Minneapolis, Minnesota 55455, USA.
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Kuo PS, Vodopyanov KL, Fejer MM, Simanovskii DM, Yu X, Harris JS, Bliss D, Weyburne D. Optical parametric generation of a mid-infrared continuum in orientation-patterned GaAs. Opt Lett 2006; 31:71-3. [PMID: 16419881 DOI: 10.1364/ol.31.000071] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/06/2023]
Abstract
We have generated an ultrabroad mid-infrared continuum by using single-pass optical parametric generation (OPG) in orientation-patterned GaAs (OP-GaAs). The spectrum spans more than an octave, from 4.5 to 10.7 microm, measured 20 dB down from the peak. The 17.5 mm long, 0.5 mm thick, all-epitaxially-grown OP-GaAs sample with a 166.6-microm quasi-phase-matching period was pumped with 3.1-3.3 microm wavelength, 1 ps pulses up to 2 microJ in energy. The OPG threshold was observed at 55 nJ pump energy with the pump polarized along the [111] crystal direction. The slope efficiency near threshold was 51%, and the external conversion efficiency was as high as 15%.
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Affiliation(s)
- P S Kuo
- E. L. Ginzton Laboratory, Stanford University, Stanford, California 94305, USA.
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Lober WB, Bliss D, Dockrey MR, Davidson AJ, Karras BT. Communicable disease case entry using PDAs and public wireless networks. AMIA Annu Symp Proc 2003; 2003:916. [PMID: 14728422 PMCID: PMC1480186] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 04/28/2023]
Abstract
Concerns about detecting and responding to attacks with biowarfare agents have resulted in the development of deployable case reporting systems, e.g. RSVP. We implement a proof of concept web-based information system to be used securely from personal digital assistants over public wireless networks, by public health field workers for routine and emergent case reporting. The system collects data for a local health jurisdiction, provides content- and event-based notification, and forwards case reports to the Colorado State communicable disease reporting system (CEDRS). We believe this demonstrates a useful integration of portable and web-based technologies with public health practice.
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Affiliation(s)
- W B Lober
- School of Medicine, University of Washington, USA
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Karras BT, Huq SH, Bliss D, Lober WB. National Pharmaceutical Stockpile drill analysis using XML data collection on wireless Java phones. Proc AMIA Symp 2002:365-9. [PMID: 12463848 PMCID: PMC2244171] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/27/2023] Open
Abstract
This study describes an informatics effort to track subjects through a National Pharmaceutical Stockpile (NPS) distribution drill. The drill took place in Seattle on 1/24/2002. Washington and the State Department of Health are among the first in the nation to stage a NPS drill testing the distribution of medications to mock patients, thereby testing the treatment capacity of the plan given a post-anthrax exposure scenario. The goal of the Public Health Informatics Group at the University of Washington (www.phig.washington.edu) was to use informatics approaches to monitor subject numbers and elapsed time. This study compares accuracy of time measurements using a mobile phone Java application to traditional paper recording in a live drill of the NPS. Pearson correlation = 1.0 in 2 of 3 stations. Differences in last station measurements can be explained by delay in recording of the exit time. We discuss development of the application itself and lessons learned. (MeSH Bioterrorism, Informatics, Public Health)
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Affiliation(s)
- B T Karras
- Biomedical and Health Informatics, University of Washington, Seattle, WA, USA
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Lober WB, Trigg LJ, Bliss D, Brinkley JM. IML: An image markup language. Proc AMIA Symp 2001:403-7. [PMID: 11825219 PMCID: PMC2243617] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/23/2023] Open
Abstract
Image Markup Language is an extensible markup language (XML) schema used to describe both image metadata and annotations. It describes both data pertaining to an entire image, and data that are tied to specific regions or features of the image. Developed for a specific domain in Medical Education, this pa-per describes extensions to take advantage of the Dublin Core metadata standard, and of an XML schema for vector graphics representation. We have developed a prototype system of open source tools implementing an authoring system, a client system, and an image annotation database which can be queried though the Web.
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Affiliation(s)
- W B Lober
- Division of Biomedical and Health Informatics, Department of Medical Education, University of Washington School of Medicine, Seattle, WA 98105, USA
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Teitelbaum DH, Cilley RE, Sherman NJ, Bliss D, Uitvlugt ND, Renaud EJ, Kirstioglu I, Bengston T, Coran AG. A decade of experience with the primary pull-through for hirschsprung disease in the newborn period: a multicenter analysis of outcomes. Ann Surg 2000; 232:372-80. [PMID: 10973387 PMCID: PMC1421142 DOI: 10.1097/00000658-200009000-00009] [Citation(s) in RCA: 139] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
OBJECTIVE To determine whether use of a primary pull-through would result in equivalent perioperative and long-term complications compared with the two-stage approach. SUMMARY BACKGROUND DATA During the past decade, the authors have advanced the use of a primary pull-through for Hirschsprung disease in the newborn, and preliminary results have suggested excellent outcomes. METHODS From May 1989 through September 1999, 78 infants underwent a primary endorectal pull-through (ERPT) procedure at four pediatric surgical sites. Data were collected from medical records and a parental telephone interview (if the child was older than 3 years) to assess stooling patterns. A similar group of patients treated in a two-stage fashion served as a historical control. RESULTS Mean age at the time of ERPT was 17.8 days of life. Comparing primary ERPT with a two-stage approach showed a trend toward a higher incidence of enterocolitis in the primary ERPT group compared with those with a two-stage approach (42.0% vs. 22.0%). Other complications were either lower in the primary ERPT group or similar, including rate of soiling and development of a bowel obstruction. Median number of stools per day was two at a mean follow-up of 4.1 +/- 2.5 years, with 83% having three or fewer stools per day. CONCLUSIONS Performance of a primary ERPT for Hirschsprung disease in the newborn is an excellent option. Results were comparable to those of the two-stage procedure. The greater incidence of enterocolitis appears to be due to a lower threshold in diagnosing enterocolitis in more recent years.
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Affiliation(s)
- D H Teitelbaum
- Department of Surgery, Section of Pediatric Surgery, the University of Michigan Medical Center and the C.S. Mott Children's Hospital, Ann Arbor, Michigan 48109, USA.
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Rockwood TH, Church JM, Fleshman JW, Kane RL, Mavrantonis C, Thorson AG, Wexner SD, Bliss D, Lowry AC. Fecal Incontinence Quality of Life Scale: quality of life instrument for patients with fecal incontinence. Dis Colon Rectum 2000; 43:9-16; discussion 16-7. [PMID: 10813117 DOI: 10.1007/bf02237236] [Citation(s) in RCA: 808] [Impact Index Per Article: 33.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
PURPOSE This goal of this research was to develop and evaluate the psychometrics of a health-related quality of life scale developed to address issues related specifically to fecal incontinence, the Fecal Incontinence Quality of Life Scale. METHODS The Fecal Incontinence Quality of Life Scale is composed of a total of 29 items; these items form four scales: Lifestyle (10 items), Coping/Behavior (9 items), Depression/Self-Perception (7 items), and Embarrassment (3 items). RESULTS Psychometric evaluation of these scales demonstrates that they are both reliable and valid. Each of the scales demonstrate stability over time (test/retest reliability) and have acceptable internal reliability (Cronbach alpha >0.70). Validity was assessed using discriminate and convergent techniques. Each of the four scales of the Fecal Incontinence Quality of Life Scale was capable of discriminating between patients with fecal incontinence and patients with other gastrointestinal problems. To evaluate convergent validity, the correlation of the scales in the Fecal Incontinence Quality of Life Scale with selected subscales in the SF-36 was analyzed. The scales in the Fecal Incontinence Quality of Life Scale demonstrated significant correlations with the subscales in the SF-36. CONCLUSIONS The psychometric evaluation of the Fecal Incontinence Quality of Life Scale showed that this fecal incontinence-specific quality of life measure produces both reliable and valid measurement.
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Affiliation(s)
- T H Rockwood
- Clinical Outcomes Research Center, University of Minnesota, Minneapolis 55406, USA
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Rockwood TH, Church JM, Fleshman JW, Kane RL, Mavrantonis C, Thorson AG, Wexner SD, Bliss D, Lowry AC. Patient and surgeon ranking of the severity of symptoms associated with fecal incontinence: the fecal incontinence severity index. Dis Colon Rectum 1999; 42:1525-32. [PMID: 10613469 DOI: 10.1007/bf02236199] [Citation(s) in RCA: 553] [Impact Index Per Article: 22.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
PURPOSE The purpose of this research was to develop and evaluate a severity rating score for fecal incontinence, the Fecal Incontinence Severity Index. METHODS The Fecal Incontinence Severity Index is based on a type x frequency matrix. The matrix includes four types of leakage commonly found in the fecal incontinent population: gas, mucus, and liquid and solid stool and five frequencies: one to three times per month, once per week, twice per week, once per day, and twice per day. The Fecal Incontinence Severity Index was developed using both colon and rectal surgeons and patient input for the specification of the weighting scores. RESULTS Surgeons and patients had very similar weightings for each of the type x frequency combinations; significant differences occurred for only 3 of the 20 different weights. The Fecal Incontinence Severity Index score of a group of patients with fecal incontinence (N = 118) demonstrated significant correlations with three of the four scales found in a fecal incontinence quality-of-life scale. CONCLUSIONS Evaluation of the Fecal Incontinence Severity Index indicates that the index is a tool that can be used to assess severity of fecal incontinence. Overall, patient and surgeon ratings of severity are similar, with minor differences associated with the accidental loss of solid stool.
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Affiliation(s)
- T H Rockwood
- Clinical Outcomes Research Center, University of Minnesota, Minneapolis, USA
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Bliss D, Hirschl R, Oldham K, Chey J, Cilley R, Blane C, Olson A, Shulkin B, Coran A. Efficacy of anterior gastric fundoplication in the treatment of gastroesophageal reflux in infants and children. J Pediatr Surg 1994; 29:1071-4; discussion 1074-5. [PMID: 7965508 DOI: 10.1016/0022-3468(94)90281-x] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Abstract
Anterior gastric fundoplication (AGF) has been performed at the University of Michigan since 1988. To objectively evaluate the long-term efficacy of the AGF, the authors performed a study of children who had undergone AGF between June 1988 and June 1990 (n = 46). Six of them died of unrelated causes. Twenty-two consented to follow-up evaluation that included parental interview, physical examination, upper gastrointestinal series (UGI), 24-hour esophageal pH probe monitoring (EpH), and a liquid-phase gastric emptying study. Twenty patients (74%) remained asymptomatic, and only one child required reoperation. Four asymptomatic patients exhibited gastroesophageal reflux (GER) by UGI, and three others by EpH. Three children were noted to have delayed gastric emptying. These results compare favorably with data previously reported from this institution of a 5-year follow-up of children after Nissen fundoplication. There is a trend toward improved efficacy (87% v 74%; P = .12), decreased reoperation rate (4% v 14%; P = .11), and less severe complications. The present study shows that AGF is effective treatment for GER when evaluated by objective studies and is comparable in therapeutic efficacy and safety to the Nissen fundoplication.
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Affiliation(s)
- D Bliss
- Section of Pediatric Surgery, C.S. Mott Children's Hospital, Ann Arbor, MI 48109-0245
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Abstract
With the repeal of the Mental Health Systems Act by the Reagan administration in 1980, the amount of federal dollars allocated to community mental health agencies declined. Perlman and Hartman (1982) surveying mental health administrators' and professionals' perceptions on the major issues to be faced in the 1980s, found that budget reductions were to have the greatest impact on mental health service delivery. To explore problems and issues in mental health service delivery in the 1990s, 272 mental health administrators in county level, public sector organizations from Wisconsin and Michigan were surveyed. Budget effects on service, staff and administration are discussed.
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Affiliation(s)
- P A Ebben
- University of Wisconsin-Oshkosh 54901
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Curtis JJ, Boland M, Bliss D, Walls J, Boley T, Schmaltz R, Flaker G, Anderson SK. Intra-aortic balloon cardiac assist: complication rates for the surgical and percutaneous insertion techniques. Am Surg 1988; 54:142-7. [PMID: 3348547] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
A retrospective study was performed to evaluate complications with the two most common intra-aortic balloon pump (IABP) insertion techniques. During a nine year period, 202 patients (51 women, 151 men) underwent IABP cardiac assist utilizing the arteriotomy surgical (103 balloons) and percutaneous (99 balloons) insertion techniques. Complications, including asymptomatic loss of pedal pulse, vascular-symptomatic, infection, or balloon rupture occurred in 22.8 per cent of patients. Of the 54 complications, 13 (24%) were asymptomatic loss of pedal pulse, 36 (66.7%) were vascular symptomatic, three (5.5%) were infection, and two (3.7%) were balloon malfunctions. The overall complication rates were 16/103 (15.5%) and 38/99 (38.3%) for the surgical and percutaneous methods, respectively (P = 0.007). Thirty two per cent (33/103) of the patients receiving IABP surgically and 24 per cent (24/99) of those receiving IABP percutaneously died in the hospital (P = 0.34); no death was directly attributable to IABP. The number of patients requiring surgical intervention or removal was not significantly different between the surgical and percutaneous methods (9 versus 18%, P = .06). While the method of IABP insertion did not significantly alter hospital mortality, a significantly greater complication rate was observed with percutaneous insertion (P = .007). This was particularly relevant to complications occurring at the time of removal of IABP.
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Affiliation(s)
- J J Curtis
- Division of Cardiothoracic Surgery, University of Missouri, Columbia 65212
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Shapshak P, Tourtellotte WW, Staugaitis S, Cowan T, Ingram T, Weil ML, Bliss D, Tourtellotte WG. Quantitation of human immunoglobulin G and albumin in electroimmunodiffusion gels containing ionic and nonionic detergents. Anal Biochem 1983; 132:305-11. [PMID: 6414332 DOI: 10.1016/0003-2697(83)90012-x] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Abstract
Quantitation of human immunoglobulin G (IgG) and albumin by agarose electroimmunodiffusion is influenced by the incorporation of ionic and nonionic detergents in the gel. The highest concentrations of each detergent at which human IgG and albumin determinations could be performed without perturbing the quantitations were 4% Triton X-100, 4% Tween 80, 1% NP-40, 0.5% sodium deoxycholate (SDOC), 0.5% Zwittergent, and 0.1% sodium dodecyl sulfate (SDS), and mixtures of Triton X-100, SDOC, and SDS. These detergent combinations all resulted in greater perturbations of albumin quantitation than of IgG. Immunoprecipitation of human IgG was quantitated in the absence and presence of Triton X-100, Zwittergent, and SDS. SDS was shown to cause nonspecific precipitation, whereas below 1% Triton X-100 or 0.5% Zwittergent no effects upon the immunoprecipitations were observed.
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Todd AC, Bliss D, Scholl P, Crowley JW. Controlled evaluation of fenbendazole as a bovine anthelmintic. Am J Vet Res 1976; 37:439-41. [PMID: 1267239] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
Calves experimentally infected with Haemonchus, Ostertagia, and Cooperia, and to lesser degrees with Trichostrongylus, Oesophagostomum, Nematodirus, and Bunostomum were used in a controlled experiment to record the anthelmintic efficacy of a benzimidazole compound methyl 5-(phenylthio)-2-benzimidazolecarbamate at dosage levels of 3.5, 5, and 7.5 mg/kg bodyweight. With the 3 dosages, reductions of Haemonchus were 96.7, 99.2, and 99.8%; of Ostertagia, 97.2, 97.2, and 99.5%; and of Cooperia, 99.9, 99.9, and 99.9%. Pronounced reductions were also recorded for Trichostrongylus, Nematodirus, Oesophagostomum, Trichuris, and Capillaria, but these populations were too numerically small or too unevenly distributed within the control groups to be given much emphasis. The experimental parasitic populations which developed in the 10 control calves amounted to 91, 763 worms (total).
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Bliss D. Letter: Bisolvon. Med J Aust 1975; 2:726. [PMID: 1207563] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
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Bliss D, Todd AC. Milk production by Wisconsin dairy cattle after deworming with BAYMIX. Vet Med Small Anim Clin 1973; 68:1034 passim. [PMID: 4491004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
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Todd AC, Myers GH, Bliss D, Cox DD. Milk production in Wisconsin dairy cattle after anthelmintic treatment. Vet Med Small Anim Clin 1972; 67:1233-6. [PMID: 4484975] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
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Abstract
The cases of two patients suffering from carcinoma of the lung and severe thrombocytopenia are described. The thrombocytopenia was probably due to an immune mechanism and not to marrow replacement by carcinoma or consumption coagulopathy. It is suggested that patients in the older age group presenting with thrombocytopenia may have occult carcinoma.
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Petrinovich L, Bliss D. Retention of a learned brightness discrimination following ablations of the occipital cortex in the rat. J Comp Physiol Psychol 1966; 61:136-8. [PMID: 5948225 DOI: 10.1037/h0022860] [Citation(s) in RCA: 26] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
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