Publications

Abstract

Context: Despite growing evidence in the US, little evidence has been available to evaluate whether internationally, hospitals in which nurses care for fewer patients have better outcomes in terms of patient survival and nurse retention. Objectives: To examine the effects of hospital-wide nurse staffing levels (patient-to-nurse ratios) on patient mortality, failure to rescue (mortality risk for patients with complicated stays) and nurse job dissatisfaction, burnout and nurse-rated quality of care. Design and setting: Cross-sectional analysis combining nurse survey data with discharge abstracts. Participants: Nurses (N = 3984) and general, orthopaedic, and vascular surgery patients (N = 118 752) in 30 English acute trusts. Results: Patients and nurses in the quartile of hospitals with the most favourable staffing levels (the lowest patient-to-nurse ratios) had consistently better outcomes than those in hospitals with less favourable staffing. Patients in the hospitals with the highest patient to nurse ratios had 26% higher mortality (95% CI: 12-49%); the nurses in those hospitals were approximately twice as likely to be dissatisfied with their jobs, to show high burnout levels, and to report low or deteriorating quality of care on their wards and hospitals. Conclusions: Nurse staffing levels in NHS hospitals appear to have the same impact on patient outcomes and factors influencing nurse retention as have been found in the USA.

Abstract

Patients with cancer often experience pain, yet studies continue to document inadequate and inappropriate assessment and management of cancer-related pain. This study aimed to evaluate the attitudes and knowledge of inpatient oncology healthcare providers toward pain management by surveying nurses, pharmacists, and physicians working on the inpatient oncology units at an academic medical center. Healthcare providers generally reported positive attitudes toward pain management but were deficient in their knowledge of pain management. The authors suggest that pharmacists become more integral members of palliative care teams and actively participate in rounds. A need exists for educational programs in pain management for healthcare providers, especially for those who do not routinely care for patients with cancer.

Abstract

Purpose: To explore use of an interactive health communication tool- "Computer Assessment and Risk Reduction Education (CARE) for STIs/HIV.". Methods: This was a mixed method study utilizing participant observation and in-depth interviews with patients (n = 43), and focus groups with staff (5 focus groups, n = 41) from 5 clinics in 3 states (1 Planned Parenthood, 1 Teen, 2 STD, and 1 mobile van clinic). Data were managed using Atlas.ti. Inter-rater reliability of qualitative coding was .90. Results: Users were 58% nonwhite with mean age 24.7 years (74% < 25). Patients could use CARE with minimal to no assistance. Time for session completion averaged 29.6 minutes. CARE usefulness was rated an average of 8.2 on an ascending utility scale of 0 to 10. Patient themes raised as strengths were novelty, simplicity, confidentiality, personalization, and plan development, increased willingness to be honest, lack of judgment, and a unique opportunity for self-evaluation. Staff themes raised as strengths were enhanced data collection, handout customization, education standardization, behavioral priming, and expansion of services. Patient limitation themes included limited responses and lack of personal touch. Staff limitation themes were selecting users, cost, patient-provider role, privacy, and time for use. Conclusions: CARE was well-received and easily usable by most (especially 18-25-year-olds). Patient and staff perceptions support the use of CARE as an adjunct to usual practice and as a method to expand services. Honesty, reduced time constraints, and lack of judgment associated with CARE appeared to enhance self-evaluation, which may prove an important component in moving patients forward in the behavior change process.

Abstract

We developed a Web-based application delivered on PDAs (Colecta-PALM in Peru, Pambazuko-PALM in Kenya), to collect data from HIV patients and to facilitate HIV provider training. Colecta-PALM provides tailored feedback (behavioral messaging) based on risk assessment responses for HIV patients. Pambazuko-PALM collects patient risk assessment data, and delivers counseling protocol training and evaluation to nurses involved in HIV care.

Abstract

Research on adolescent mothers has revealed increasing rates of depressive symptoms in the postpartum period. This review integrated 12 research-based articles to provide a better understanding of depression among adolescent mothers in the first year postpartum. The results revealed that more family conflict, fewer social supports, and low self-esteem all were associated with increased rates of depressive symptoms in adolescent mothers during the first postpartum year. To prevent adverse outcomes associated with depression, it is important that nurse practitioners working with these families screen adolescent mothers for depression and refer them for treatment as needed.

Abstract

Background: This study described a cohort of teen mothers and their children attending an urban high school with a parent support program and school-based child care center. Specific aims of the study were to describe maternal characteristics and outcomes, and child developmental and health outcomes. Methods: A volunteer sample of 65 adolescent mothers enrolled in the parent support program and their children were interviewed, surveyed, and assessed. Fifty-three mothers had children enrolled in the school-based child care center and 12 mothers had their children cared for by family members. Maternal characteristics assessed included self-esteem and depressive symptoms, social stressors and support, self-perceived parental competence, parent-child teaching interactions, and subsequent childbearing and maternal educational outcomes. Child outcomes included child developmental assessments and health outcomes. Results: About 33% of teen mothers were mildly to moderately depressed and 39% of the sample had experienced transitional homelessness. Social support networks were small; in the past 12 months, mothers experienced a mean number of 13.2 ± 11.9 negative life events. Maternal self-report measures and mother-child observation measures indicated positive levels of parental competence. Maternal educational outcomes were positive, and only 6% of mothers had subsequent childbirths within 2 years. The mean scores on developmental assessments of children fell within the normal range, although there were 7 children identified with developmental delays. Conclusions: For at-risk teen mothers, this parent support program and school-based child care setting appears to offer promising opportunities to help young mothers with parenting, avoid rapid subsequent pregnancies, and stay engaged with school, while their children are cared for in a close and safe environment.

Abstract

OBJECTIVES: To explore associations between psychiatric comorbidity and rehospitalization risk, length of hospitalization, and costs. DESIGN: Cross-sectional study of 1-year hospital administrative data. SETTING: Claims-based study of older adults hospitalized in the United States. PARTICIPANTS: Twenty-one thousand four hundred twenty-nine patients from a 5% national random sample of U.S. Medicare beneficiaries aged 65 and older, with at least one acute care hospitalization in 1999 with a Diagnostic-Related Group of congestive heart failure. MEASUREMENTS: The number of hospitalizations, mean length of hospital stay, and total hospitalization costs in calendar year 1999. RESULTS: Overall, 15.8% of patients hospitalized for heart failure (HF) had a coded psychiatric comorbidity; the most commonly coded comorbid psychiatric disorder was depression (8.5% of the sample). Most forms of psychiatric comorbidity were associated with greater inpatient utilization, including risk of additional hospitalizations, days of stay, and hospitalization charges. Additional hospitalization costs associated with psychiatric comorbidity ranged up to $7,763, and additional days length of stay ranged up to 1.4 days. CONCLUSION: Psychiatric comorbidity appears in a significant minority of patients hospitalized for HF and may affect their clinical and economic outcomes. The associations between psychiatric comorbidity and use of inpatient care are likely to be an underestimate, because psychiatric illness is known to be underdetected in older adults and in hospitalized medical patients.

Abstract

Mutations in LRRK2 were first reported as causing Parkinson's disease (PD) in late 2004. Since then, approximately a dozen LRRK2 substitutions have been identified that are believed to be pathogenic mutations. The substitution of adenine for guanine at nucleotide 4541 (4541G>A) in LRRK2 was recently reported. This substitution resulted in the replacement of an arginine at position 1514 with a glutamine (R1514Q). Although this substitution was not found in a large cohort of controls, its pathogenicity could not be verified. We have now genotyped the R1514Q substitution in a sample of 954 PD patients from 429 multiplex PD families. This substitution was identified in 1.8% of the PD patients; however, the majority of the PD sibships segregating this substitution were discordant for this putative mutation. In addition, the R1514Q substitution was detected in 1.4% of neurologically evaluated, control individuals. These data suggest that the R1514Q variant is not a pathogenic LRRK2 mutation. We believe it is imperative that the causative nature of any newly identified genetic variant be determined before it is included in any panel for diagnostic testing.

Abstract

This exploratory study of patients in Pennsylvania (PA) and Virginia (VA) hospitals in 1998-1999 measures the segregation of care for Black patients receiving inpatient care for specific medical and surgical conditions. It also examined inpatient mortality risk for Black patients and the impact of treatment in heavily segregated hospitals on mortality for Blacks and non-Blacks. Segregation of hospital care was found across both states but was more pronounced in PA. Blacks did not experience higher mortality rates than non-Blacks either before or after controls for clinical risk factors in either state and for certain admission types had lower mortality. Both Black and non-Black surgical, heart failure, and lung disease patients treated in VA hospitals with more Black patients had poorer outcomes. Future research should examine how access, patient choice, hospital organization, processes of care, and factors related to nursing care might influence hospital outcomes for patients from different racial backgrounds.

Abstract

OBJECTIVE - The purpose of this study was to assess whether the prevalence of inducible myocardial ischemia increases over time in patients with type 2 diabetes. RESEARCH DESIGN AND METHODS - Participants enrolled in the Detection of Ischemia in Asymptomatic Diabetics (DIAD) study underwent repeat adenosine-stress myocardial perfusion imaging 3 years after initial evaluation. Patients with intervening cardiac events or revascularization and those who were unable or unwilling to repeat stress imaging were excluded. RESULTS - Of the initial 522 DIAD patients, 358 had repeat stress imaging (DIAD-2), of whom 71 (20%) had ischemia at enrollment (DIAD-1). Of 287 patients with normal DIAD-1 studies, 259 (90%) remained normal in DIAD-2, whereas 28 (10%) developed new ischemia in DIAD-2. Of the 71 patients with abnormal DIAD-1 studies, 56 (79%) demonstrated resolution of ischemia, whereas 15 (21%) remained abnormal. During this 3-year interval, medical treatment was intensified, with more patients using statins, aspirin, and ACE inhibitors than at baseline. Patients with resolution of ischemia had significantly greater increases in these medications than patients who developed new ischemia (P = 0.04). CONCLUSIONS - Thus, the majority of asymptomatic patients with type 2 diabetes demonstrated resolution of ischemia upon repeat stress imaging after 3 years. This resolution was associated with more intensive treatment of cardiovascular risk factors.

Abstract

OBJECTIVE. To compare sharp-device injury rates among hospital staff nurses in 4 Western countries. DESIGN. Cross-sectional survey. SETTING. Acute-care hospital nurses in the United States (Pennsylvania), Canada (Alberta, British Columbia, and Ontario), the United Kingdom (England and Scotland), and Germany. PARTICIPANTS. A total of 34,318 acute-care hospital staff nurses in 1998-1999. RESULTS. Survey-based rates of retrospectively-reported needlestick injuries in the previous year for medical-surgical unit nurses ranged from 146 injuries per 1,000 full-time equivalent positions (FTEs) in the US sample to 488 injuries per 1,000 FTEs in Germany. In the United States and Canada, very high rates of sharp-device injury among nurses working in the operating room and/or perioperative care were observed (255 and 569 injuries per 1,000 FTEs per year, respectively). Reported use of safety-engineered sharp devices was considerably lower in Germany and Canada than it was in the United States. Some variation in injury rates was seen across nursing specialties among North American nurses, mostly in line with the frequency of risky procedures in the nurses' work. CONCLUSIONS. Studies conducted in the United States over the past 15 years suggest that the rates of sharp-device injuries to front-line nurses have fallen over the past decade, probably at least in part because of increased awareness and adoption of safer technologies, suggesting that regulatory strategies have improved nurse safety. The much higher injury rate in Germany may be due to slow adoption of safety devices. Wider diffusion of safer technologies, as well as introduction and stronger enforcement of occupational safety and health regulations, are likely to decrease sharp-device injury rates in various countries even further.

Abstract

PROBLEM: Homeless families headed by young mothers are increasing. This preliminary study describes the characteristics of 17 homeless teenage mothers (HTM). METHODS: HTMs completed questionnaires researching depression, self-esteem, maternal competence, and sources of stress and support. FINDINGS: HTMs had positive maternal competence and self-esteem scores. When compared to housed mothers, HTMs were younger, had more depressive symptoms and negative life events, and fewer social supports. CONCLUSIONS: HTMs represent a high-risk group with fewer available supports and many complex life stressors. School-based programs can benefit HTMs by offering support, helping them continue their education, and assisting with on-site school-based childcare.

Abstract

This study examines the antecedent factors affecting the quality of life of African Americans. A theoretical model is proposed that identifies the effects of culture-specific coping and spiritual well-being as predictors of quality of life. A sample of 281 African Americans was administered a battery of questionnaires that examined the constructs of interest. The theoretical model was tested within a structural equation - modeling framework to identify both direct and indirect effects. Results indicate overall model fit, with both culture-specific coping and spiritual well-being as significant predictors of quality of life. Spiritual well-being partially mediated the effects of culture-specific coping on quality of life. The article concludes with a discussion of the study's findings in relation to quality of life issues for African Americans.

Abstract

To promote evidence-based decision making regarding hospital staffing, the authors examined the characteristics of supplemental nurses, as well as the relationship of supplemental staff to nurse outcomes and adverse events. The use of supplemental nurses to bolster permanent nursing staff in hospitals is widespread but controversial. Quality concerns have been raised regarding the use of supplemental staff. Data from the 2000 National Sample Survey of Registered Nurses were used to determine whether the qualifications of supplemental nurses working in hospitals differed from permanent staff nurses. Data from Pennsylvania nurse surveys were analyzed to examine whether nurse outcomes and adverse events differed in hospitals with varying proportions of nonpermanent nurses. Temporary nurses have qualifications similar to permanent staff nurses. Deficits in patient care environments in hospitals employing more temporary nurses explain the association between poorer quality and temporary nurses. Negative perceptions of temporary nurses may be unfounded.

Abstract

The epidermal growth factor receptor (EGFR) (ErbB1) and HER-2/neu (ErbB2) are members of the ErbB family of receptor tyrosine kinases. These receptors are overexpressed in a variety of human tumors and overexpression generally correlates with poor prognosis and decreased survival. Lapatinib, a reversible inhibitor of both EGFR and HER-2/neu, has shown some success in achieving clinical responses in heavily pretreated advanced cancer patients. GW2974 is a reversible dual inhibitor similar to lapatinib, but GW2974 was not progressed to clinical trials due to pharmacokinetic issues. Bcl-2, an anti-apoptotic protein, is also overexpressed in a number of human tumors. Bcl-2 inhibitors induce apoptosis and sensitize cancer cells to other therapies. The purpose of this study was to assess the effects of combining ErbB and Bcl-2 inhibitors on the growth of human breast cancer cell lines. EGFR/HER-2/neu tyrosine kinase inhibitors (lapatinib and GW2974) were combined with Bcl-2 inhibitors (HA14-1 or GX15-070) and the anti-proliferative effects were determined by the MTT tetrazolium dye assay. Combinations were tested in MCF-7 human breast cancer cells, a HER-2/neu transfected MCF-7 cell line (MCF/18), and a tamoxifen-resistant MCF-7 cell line (MTR-3). A synergistic inhibitory effect was observed with the combination of inhibitors of EGFR-HER-2/neu (lapatinib or GW2974) and Bcl-2 (GX15-070 or HA14-1) on the growth of the MCF-7, MCF/18, and MTR-3 human breast cancer cell lines. This study suggests that simultaneously blocking the ErbB family of receptor tyrosine kinases and Bcl-2 family of proteins may be a benefit to breast cancer patients.