Psychometric properties of the Spanish version of the Health of Nation Outcome Scales for schizophrenia patients

Accessible Summary What is known on the subject? Functioning is one of the most affected areas in schizophrenia. Social, occupational and personal domains are affected, and these deficits are responsible for a major part of the disability associated with the disorder. There are several instruments to measure functioning, but the HoNOS provides a wide assessment of impairment in 12 areas of functioning. What does the paper add to existing knowledge? The Spanish version of the HoNOS shows good properties in terms of reliability and validity for use in schizophrenia patients. Although some authors divide the scale according to proposed underlying dimensions, in schizophrenia this division may not be appropriate. What are the implications for practice? A reliable and easy-to-use measure of impairment in different areas of functioning is useful for optimizing the treatment and rehabilitation of patients with schizophrenia.

ABSTRACT

INTRODUCTION: The HoNOS scale was designed for the assessment of psychosocial impairment in various domains. While it is widely used in psychiatric settings, it has not been validated in Spanish for use in patients with schizophrenia.

AIM

To examine the psychometric properties of the Spanish version of the HoNOS scale in a sample of schizophrenia patients.

METHOD

A total of 194 individuals aged 18 to 65 with schizophrenia spectrum diagnoses were evaluated using the HoNOS. Illness severity and level of functioning were also assessed.

RESULTS

The HoNOS showed moderate internal consistency, good inter-observer reliability and good test-retest reliability. Factor analysis revealed an internal structure consisting of four factors, with item distribution differing from the theoretical dimensions proposed for the original scale.

DISCUSSION

The Spanish version of the HoNOS scale is a reliable and valid instrument for assessing psychosocial impairment in individuals diagnosed with schizophrenia spectrum disorders. However, further research is needed to determine its internal structure more accurately.

IMPLICATIONS FOR PRACTICE

The HoNOS scale provides researchers and clinicians with a valid measure of impairment in twelve different domains, which can facilitate and guide the treatment of schizophrenia patients.

Delirium risk screening and assessment among older patients in general wards and the emergency department: a best practice implementation project

OBJECTIVES

The aim of this project was to improve compliance with evidence-based criteria regarding risk of delirium and the assessment of delirium among older patients in the general hospitalization wards and the emergency department.

INTRODUCTION

More than 50% of older hospitalized patients experience delirium. Some studies have highlighted the need to implement an orientation protocol in the emergency department and to continue this in the general wards, with the aim of decreasing the delirium rate among older patients admitted to hospital.

METHODS

The project followed the JBI evidence implementation framework. We conducted a baseline audit, a half-way audit, and final audit of 50 patients at risk of delirium admitted to the emergency department and the general wards, respectively. The audits measured compliance with eight criteria informed by the available evidence.

RESULTS

In the final audit, three of the eight criteria achieved more than 50% compliance in the general wards: pressure injury screening (96%); monitoring changes (74%); and performing interventions (76%). In the emergency department, worse results were reported because of the service conditions. The exception was the criterion on the training of nurses on the topic, with 98%. The integration of a tool to screen for delirium in older patients in the hospital's electronic clinical history records increased the percentage of compliance with audit criteria regarding the use of the scale and delirium detection (rising from 0% to 32% in the final audit in the general wards).

CONCLUSION

Through the implementation of this project, validated and evidence-based evaluation will ensure that nurses are supported through appropriate measures to reduce patient confusion and aggression resulting from delirium.

Diagnostic accuracy study of the VALENF instrument in hospitalization units for adults: a study protocol

Recently, the VALENF instrument, Nursing Assessment by its acronym in Spanish, was developed as a meta-tool composed of only seven items with a more parsimonious approach for nursing assessment in adult hospitalization units. This meta-tool integrates the assessment of functional capacity, the risk of pressure injuries and the risk of falls. The general objective of this project is to validate the VALENF instrument by studying its diagnostic accuracy against the instruments commonly used in nursing to assess functional capacity, the risk of pressure injuries and the risk of falls. An observational, longitudinal, prospective study is presented, with recruitment and random selection based on admissions to six adult hospitalization units of the Hospital Universitario de La Plana. The study population will be made up of patients hospitalized in these units. The inclusion criteria will be patients over 18 years of age with a nursing assessment within the first 24 h of admission and an expected length of stay greater than 48 h and who sign the informed consent form. The exclusion criteria will be transfers from other units or centers. A sample of 521 participants is estimated as necessary. The evaluation test will be the VALENF instrument, and the reference tests will be the Barthel, Braden and Downton indices. Sociodemographic variables related to the care process and results such as functional loss, falls or pressure injuries will be collected. The evolution of functional capacity, the risk of falls and the risk of pressure injuries will be analyzed. The sensitivity, specificity and positive predictive values of the VALENF instrument will be calculated and compared to those of the usual instruments. A survival analysis will be performed for pressure injuries, falls and patients with functional loss. The VALENF instrument is expected to have at least the same diagnostic validity as the original instruments.Trial registration The study will be retrospectively registered (ISRCTN 17699562, 25/07/2023).

Proteomics analysis of prefrontal cortex of Alzheimer's disease patients revealed dysregulated proteins in the disease and novel proteins associated with amyloid-β pathology

BACKGROUND

Alzheimer's disease (AD) is a progressive, chronic, and neurodegenerative disease, and the most common cause of dementia worldwide. Currently, the mechanisms underlying the disease are far from being elucidated. Thus, the study of proteins involved in its pathogenesis would allow getting further insights into the disease and identifying new markers for AD diagnosis.

METHODS

We aimed here to analyze protein dysregulation in AD brain by quantitative proteomics to identify novel proteins associated with the disease. 10-plex TMT (tandem mass tags)-based quantitative proteomics experiments were performed using frozen tissue samples from the left prefrontal cortex of AD patients and healthy individuals and vascular dementia (VD) and frontotemporal dementia (FTD) patients as controls (CT). LC-MS/MS analyses were performed using a Q Exactive mass spectrometer.

RESULTS

In total, 3281 proteins were identified and quantified using MaxQuant. Among them, after statistical analysis with Perseus (p value < 0.05), 16 and 155 proteins were defined as upregulated and downregulated, respectively, in AD compared to CT (Healthy, FTD and VD) with an expression ratio ≥ 1.5 (upregulated) or ≤ 0.67 (downregulated). After bioinformatics analysis, ten dysregulated proteins were selected as more prone to be associated with AD, and their dysregulation in the disease was verified by qPCR, WB, immunohistochemistry (IHC), immunofluorescence (IF), pull-down, and/or ELISA, using tissue and plasma samples of AD patients, patients with other dementias, and healthy individuals.

CONCLUSIONS

We identified and validated novel AD-associated proteins in brain tissue that should be of further interest for the study of the disease. Remarkably, PMP2 and SCRN3 were found to bind to amyloid-β (Aβ) fibers in vitro, and PMP2 to associate with Aβ plaques by IF, whereas HECTD1 and SLC12A5 were identified as new potential blood-based biomarkers of the disease.

Spanish adaptation and validation of the Pain Assessment Scale in Advanced Dementia (PAINAD) in patients with dementia and impaired verbal communication: cross-sectional study

OBJECTIVES

The aim of this study was to adapt and validate the Pain Assessment in Advanced Dementia (PAINAD) scale in Spanish.

DESIGN

Cross-sectional observational study.

SETTING

Two health districts of Andalusian provinces, located in the south of Spain, through the Andalusian network of Primary Healthcare centres and four institutions dedicated to the care of patients with dementia.

PARTICIPANTS

A total of 100 older people, with a medical diagnosis of dementia and a score on the Global Deterioration Scale between 5 and 7 were assessed using the PAINAD scale.

PRIMARY AND SECONDARY OUTCOME MEASURES

Psychometric properties including content validity, construct validity and reliability of the scale have been tested.

RESULTS

The overall Item Content Validity Index was excellent (0.95). Regarding construct validity, it was confirmed that a lower use of analgesics implied a lower score on the PAINAD scale (p<0.05). The internal consistency of the scale was 0.76 and it increases to 0.81 if we remove the breathing item. Furthermore, the intraclass correlation coefficient (ICC) used to assess interobserver reliability was 0.94, whereas the ICC used to assess temporary stability was 0.55.

CONCLUSIONS

The Spanish version of the PAINAD scale is a valid tool to assess pain in patients with dementia and inability to communicate verbally.

Factors related to SARS-CoV-2 infection in healthcare professionals in Spain. The SANICOVI project

OBJECTIVE

To describe the factors related to the situation of SARS-CoV-2 transmission identified by health professionals in Spain and to propose prevention strategies.

METHOD

Cross-sectional descriptive study. The population were healthcare professionals working in institutions caring for COVID-19 patients and also confirmed cases of SARS-CoV-2 infection. A questionnaire with sociodemographic, occupational and epidemiological variables was used. Descriptive and bivariate analysis was performed according to the nature of the variables.

RESULTS

A total of 2.230 questionnaires were analysed on a potential population of 41,239 (5.47%). The diagnosis was made based on a suspicious case (63.4%) and a probable case (12.3%). A study of contacts was carried out at 50.3%. The perception about the availability of protective measures as «always/frequently» were: FPP1 mask 57.3%, gloves 89.5%, soap 95% and hydroalcoholic solution 91.5%. In PPE, FPP2, FPP3 mask, goggles and disposable gowns at around 50%. The availability of protective measures, by field of work, presented significant differences. The average number of patients attended related to the performance of hand hygiene at moment4 and the perception of performing it correctly at moments4 and5.

CONCLUSIONS

Preliminary data are presented, with variability in the response rate by Autonomous Region. Healthcare professionals infected by SARS-CoV-2 identified the management of the chain of infection transmission, the use and adequacy of protective equipment, as well as the effectiveness of handwashing as factors related to the transmission of the virus among professionals.

Factors related to SARS-CoV-2 infection in healthcare professionals in Spain. The SANICOVI project

Objective

To describe the factors related to the situation of SARS-CoV-2 transmission identified by health professionals in Spain and to propose prevention strategies.

Method

Cross-sectional descriptive study. The population were healthcare professionals working in institutions caring for COVID-19 patients and also confirmed cases of SARS-CoV-2 infection. A questionnaire with sociodemographic, occupational and epidemiological variables was used. Descriptive and bivariate analysis was performed according to the nature of the variables.

Results

Twenty-two hundred and thirty questionnaires were analysed on a potential population of 41,239 (5.47%). The diagnosis was made based on a suspicious case (63.4%) and a probable case (12.3%). A study of contacts was carried out at 50.3%. The perception about the availability of protective measures as "always/frequently" were: FPP1 mask 57.3%, gloves 89.5%, soap 95% and hydroalcoholic solution 91.5%. In PPE, FPP2, FPP3 mask, goggles and disposable gowns at around 50%. The availability of protective measures, by field of work, presented significant differences. The average number of patients attended related to the performance of hand hygiene at moment 4 and the perception of performing it correctly at moments 4 and 5.

Conclusions

Preliminary data are presented, with variability in the response rate by Autonomous Region. Healthcare professionals infected by SARS-CoV-2 identified the management of the chain of infection transmission, the use and adequacy of protective equipment, as well as the effectiveness of handwashing as factors related to the transmission of the virus among professionals.

[Scoping review about the recommendations for home isolation in the COVID-19 pandemic]

Aim

The COVID-19 pandemic has affected countries on all continents where containment and isolation measures have been systematically applied. This review aims to synthesize the available evidence on the management of home isolation due to COVID-19 infection.

Method

A scoping review has been carried out using the Trip Database, PUBMED, CINAHL, COCHRANE and Scopus controlled language without any limits. From all the documents located, information was extracted on the date of publication, country of publication, type of study, assessment of the level of evidence and degree of recommendation, and results of interest to answer the research question. Critical reading of the selected documents has been carried out, but without using it as an exclusion criterion but rather informative.

Results

163 records were located and 14 were selected. The recommendations have been grouped into 10 topics around all the daily management of home care.

Conclusions

The scarcity of robust evidence on isolation from COVID-19 infection is objective. Most of the documents are reviews carried out after the consensus of experts at the international level.

Implementation of best practice guidelines for ostomy care and management: Care outcomes

INTRODUCTION

Care provided to ostomized people is crucial in their progress and rehabilitation. The Registered Nurses' Association of Ontario clinical practice guidelines include greatest evidence nursing interventions for ostomized patient care. The aim of the study is to analyze the impact on patients' care and health outcomes after Care and management of ostomy guideline implementation.

METHOD

Pre-post quasi-experimental study, carried out in all patients who underwent a digestive or urological ostomy in 8 centres of Best Practices Spotlight Organization® where the ostomy care and management guideline was implanted from 2012 to 2018. Clinical, process and health outcome variables were analyzed and compared in 3 periods of time. Descriptive analysis and comparison of proportions between the periods was performed, using Chi square, applying Yates correction, considering a 95% confidence interval.

RESULTS

Preoperative education went from 36.7 to 47.3% (P<.05); stoma site marking from 25.2 to 33.8% (P<.05); postoperative evaluation from 94.8 to 59% (P<.05); postoperative education from 75.5 to 91.9% (P<.05); peristomal skin complications from 16.6 to 10.9% (P<.05), and ostomy complications from 21.8 to 27.9% (P<.05).

CONCLUSIONS

The implementation of the ostomy care and management improved preoperative care, stoma site marking and peristomal skin complications.

Correlation between biomarkers of pain in saliva and PAINAD scale in elderly people with cognitive impairment and inability to communicate: descriptive study protocol

INTRODUCTION

Pain is an under-diagnosed problem in elderly people, especially in those with cognitive impairment who are unable to verbalise their pain. Although the Pain assessment in advanced dementia scale (PAINAD) scale is a tool recognised for its clinical interest in this type of patients, its correlation with the saliva biomarkers reinforced its utility. The aim of this research will be to correlate the scores of this scale with the levels of biomarkers of pain found in saliva samples of patients with cognitive impairment and inability to communicate.

METHODS AND ANALYSIS

This is an observational study. The level of pain will be evaluated using the PAINAD scale. Moreover, pain biomarkers, in particular secretory IgA and soluble tumour necrosis factor receptor type II, will be determined in saliva. Both assessments will be conducted in 75 patients aged over 65 years with advanced cognitive impairment and inability to communicate. The PAINAD scores will be correlated with the levels of these biomarkers of pain. A control group consisting of 75 healthy subjects aged over 65 years will be included in the study. Moreover, sociodemographic variables and variables related to pain, dementia and other clinical conditions will be recorded. The analysis will be performed with the statistical package SPSS V.22 and the software R.

ETHICS AND DISSEMINATION

The study has been reviewed and approved by the Andalusian Human Research Ethics Committee. In addition, this study has been financed by the Junta de Andalucía through a regional health research fund (Research code: PI-0357-2017). The results will be actively disseminated trough a high-impact journal in our study area, conference presentations and social media.

Falls assessment and interventions among older patients in two medical and one surgical hospital wards in Spain: a best practice implementation project

OBJECTIVE

The current project aimed to improve fall prevention and management through clinical audits and the implementation of a quality-improvement cycle at the local level.

INTRODUCTION

Falls are one of the most common adverse events reported in hospitals; evidence-based fall prevention interventions aim to reduce the number of people who fall.

METHODS

A one-year clinical audit was conducted using a pre-post implementation audit method, namely the Joanna Briggs Institute's (JBI) Practical Application of Clinical Evidence System and the getting research into practice audit and feedback tool. Two medical wards and a surgical ward in a Spanish hospital participated. The subjects were evaluated at baseline and at a follow-up at six months after key strategies had been implemented.

RESULTS

Compliance rates for the evidence-based criteria were low in the baseline audit. Five barriers were identified in relation to fall assessment and management and, based on getting research into practice, strategies were designed, developed and implemented to overcome these barriers. After implementation, most of the fall-risk-assessment criteria showed an overall improvement, but there was no effect on care plan recording. Awareness of the assessment and management of fall risks were increased among professionals and patients on all three study wards.

CONCLUSIONS

The current project may improve compliance with regard to promoting evidence-based fall prevention and management interventions. Further audits are necessary to evaluate any improvements achieved, in particular, care plans.

The advocacy role of nurses in cardiopulmonary resuscitation

BACKGROUND

The decision whether to initiate cardiopulmonary resuscitation may sometimes be ethically complex. While studies have addressed some of these issues, along with the role of nurses in cardiopulmonary resuscitation, most have not considered the importance of nurses acting as advocates for their patients with respect to cardiopulmonary resuscitation.

RESEARCH OBJECTIVE

To explore what the nurse's advocacy role is in cardiopulmonary resuscitation from the perspective of patients, relatives, and health professionals in the Basque Country (Spain).

RESEARCH DESIGN

An exploratory critical qualitative study was conducted from October 2015 to March 2016. Thematic analysis was used to analyse the data.

PARTICIPANTS

Four discussion groups were held: one with patients and relatives (n = 8), two with nurses (n = 7 and n = 6, respectively), and one with physicians (n = 5).

ETHICAL CONSIDERATIONS

Approval was obtained from the Basque Country Clinical Research Ethics Committee.

FINDINGS

Three significant themes were identified: (a) accompanying patients during end of life in a context of medical dominance, (b) maintaining the pact of silence, and (c) yielding to legal uncertainty and concerns.

DISCUSSION

The values and beliefs of the actors involved, as well as pre-established social and institutional rules reduced nurses' advocacy to that of intermediaries between the physician and the family within the hospital environment. On the contrary, in primary health care, nurses participated more actively within the interdisciplinary team.

CONCLUSION

This study provides key information for the improvement and empowerment for ethical nursing practice in a cardiac arrest, and provides the perspective of patients and relatives, nurses and physicians.

Circadian monitoring as an aging predictor

The ageing process is associated with sleep and circadian rhythm (SCR) frailty, as well as greater sensitivity to chronodisruption. This is essentially due to reduced day/night contrast, decreased sensitivity to light, napping and a more sedentary lifestyle. Thus, the aim of this study is to develop an algorithm to identify a SCR phenotype as belonging to young or aged subjects. To do this, 44 young and 44 aged subjects were recruited, and their distal skin temperature (DST), activity, body position, light, environmental temperature and the integrated variable TAP rhythms were recorded under free-living conditions for five consecutive workdays. Each variable yielded an individual decision tree to differentiate between young and elderly subjects (DST, activity, position, light, environmental temperature and TAP), with agreement rates of between 76.1% (light) and 92% (TAP). These decision trees were combined into a unique decision tree that reached an agreement rate of 95.3% (4 errors out of 88, all of them around the cut-off point). Age-related SCR changes were very significant, thus allowing to discriminate accurately between young and aged people when implemented in decision trees. This is useful to identify chronodisrupted populations that could benefit from chronoenhancement strategies.

Efficacy of the Otago Exercise Programme to reduce falls in community-dwelling adults aged 65-80 years old when delivered as group or individual training

AIM

This study will compare how falls can be reduced in non-institutionalized older Spanish adults aged 65-80 years by providing group or individual exercise sessions using the Otago Exercise Programme.

BACKGROUND

The Otago Exercise Programme is a progressive home-based exercise programme, where trained health professionals help people engage in strength, balance and endurance exercises. Its format is based on the evidence from four clinical trials. The benefits of the Otago Exercise Programme are the same for people who have and have not suffered falls and it can also be used for visually impaired people.

DESIGN

A multicentre, simply blinded, randomized, non-inferiority clinical trial, with two arms-group training and individual training-that started in January 2017 and will continue until December 2019.

METHODS

Each study group has 364 subjects, who will take part in four individual or group sessions delivered mainly by nurses over an 8-week period, with a reinforcement session 6 months later. Data will be collected at baseline and after 6 and 12 months. The fall percentage will be the most relevant clinical variable and we will also consider safety, viability, compliance, economic analysis and therapeutic value. Approval and funding was granted in December 2016 for this 3-year study by the Spanish Health Research Fund (PI16CIII/00031).

DISCUSSION

Older people from 65-80 years old tend to be more isolated and tackling worries about falls can improve social activities and independence. It has been shown that group training provides better adherence to exercise than individual training and this study will test that hypothesis for the Otago Exercise Programme.

Perception of the quality of care, work environment and sleep characteristics of nurses working in the National Health System

OBJECTIVE

To describe nurses' perception in relation to the quality of care and their work environment, as well as to describe their quality of sleep. To analyze the relationship between ward and work shift with nurses' perception of their work environment, sleep quality and day time drowsiness.

METHODS

A multicentre, observational and descriptive study carried out between 2012-2014 in seven hospitals of the Spanish National Health System. Work environment, work satisfaction, sleep quality and quality of patient care were evaluated through validated tools.

RESULTS

635 registered nurses participated in the study. Eighty-three point seven percent perceived the quality of cares as good/excellent, and 55.1% rated the work environment of their hospital as good/excellent. PES-NWI classified 39% of hospitals as unfavourable and 20% as favourable. Fifteen point four percent of the nurses had a high level of burnout and 58.3% had low burnout. Sleep quality was 6.38 for nurses working on day shifts, 6.78 for the rotational shifts and 7.93 for night shifts. Significant differences were found between subjective sleep quality score, sleep duration, sleep disturbances and daytime dysfunction.

CONCLUSIONS

In the provision of quality care services, there is a multitude of related factors such as shift, ward, satisfaction, and nurses' perceptions of patient safety and sleep quality.

[Care and implications for caregivers of surgical patients at home]

OBJECTIVE

To identify the care given by informal caregivers to patients who underwent abdominal surgery in the Consorci Hospitalari of Vic (Barcelona). To compare the responsibility burden for those caregivers in all the different stages of the surgical process. To determine the consequences of the care itself on the caregiver's health and to identify the factors that contribute to the need of providing care and the appearance of consequences for the caregivers in the home.

METHODOLOGY

A longitudinal observational study with follow-up at admission, at discharge and 10 days, of 317 non-paid caregivers of patients who suffer underwent surgery. The characteristics of caregivers and surgical patients were studied. The validated questionnaire, ICUB97-R based on the model by Virginia Henderson, was used to measure the care provided by informal caregivers and its impact on patient quality of life.

RESULTS

Most of the caregivers were women, with an average age of 52.9±13.7 years without any previous experience as caregivers. The greater intensity of care and impact was observed in the time when they arrived home after hospital discharge (p<0.05). The predictive variables of repercussions were being a dependent patient before the surgical intervention (β=2.93, p=0.007), having a cancer diagnosis (β=2.87, p<.001) and time dedicated to the care process (β=0.07, p=0.018).

CONCLUSIONS

Caregivers involved in the surgical process provide a great amount of care at home depending on the characteristics of patients they care for, and it affects their quality of life.

Nurse staffing and education and hospital mortality in nine European countries: a retrospective observational study

BACKGROUND

Austerity measures and health-system redesign to minimise hospital expenditures risk adversely affecting patient outcomes. The RN4CAST study was designed to inform decision making about nursing, one of the largest components of hospital operating expenses. We aimed to assess whether differences in patient to nurse ratios and nurses' educational qualifications in nine of the 12 RN4CAST countries with similar patient discharge data were associated with variation in hospital mortality after common surgical procedures.

METHODS

For this observational study, we obtained discharge data for 422,730 patients aged 50 years or older who underwent common surgeries in 300 hospitals in nine European countries. Administrative data were coded with a standard protocol (variants of the ninth or tenth versions of the International Classification of Diseases) to estimate 30 day in-hospital mortality by use of risk adjustment measures including age, sex, admission type, 43 dummy variables suggesting surgery type, and 17 dummy variables suggesting comorbidities present at admission. Surveys of 26,516 nurses practising in study hospitals were used to measure nurse staffing and nurse education. We used generalised estimating equations to assess the effects of nursing factors on the likelihood of surgical patients dying within 30 days of admission, before and after adjusting for other hospital and patient characteristics.

FINDINGS

An increase in a nurses' workload by one patient increased the likelihood of an inpatient dying within 30 days of admission by 7% (odds ratio 1·068, 95% CI 1·031-1·106), and every 10% increase in bachelor's degree nurses was associated with a decrease in this likelihood by 7% (0·929, 0·886-0·973). These associations imply that patients in hospitals in which 60% of nurses had bachelor's degrees and nurses cared for an average of six patients would have almost 30% lower mortality than patients in hospitals in which only 30% of nurses had bachelor's degrees and nurses cared for an average of eight patients.

INTERPRETATION

Nurse staffing cuts to save money might adversely affect patient outcomes. An increased emphasis on bachelor's education for nurses could reduce preventable hospital deaths.

FUNDING

European Union's Seventh Framework Programme, National Institute of Nursing Research, National Institutes of Health, the Norwegian Nurses Organisation and the Norwegian Knowledge Centre for the Health Services, Swedish Association of Health Professionals, the regional agreement on medical training and clinical research between Stockholm County Council and Karolinska Institutet, Committee for Health and Caring Sciences and Strategic Research Program in Care Sciences at Karolinska Institutet, Spanish Ministry of Science and Innovation.

Sleepiness in Spanish nursing staff--influence of chronotype and care unit in circadian rhythm impairment: research protocol

AIMS

To determine how prevalent circadian rhythm impairments are in nurses working in medical, surgical and intensive care units in five Spanish hospitals and how the quality of night-time sleeping and sleepiness affect the nurses' morning and evening chronotypes.

BACKGROUND

Shift work is a recognized work pattern for nurses in all countries. Given the important role that nurses play in hospital care, it is vital to establish what repercussions this has on the nurses' working schedules and how any disturbance in circadian rhythm affects patient safety.

DESIGN

A multicentre, observational, descriptive and cross-sectional study in seven hospitals in the Spanish National Health System.

METHOD

A stratified sample of 1,300 nurses is being collected in three types of units: medical, surgical and intensive care. The 3-year study started in January 2012 and will continue until December 2014, with no exclusion criteria. The Kronowise(®) will be used to monitor the nurses' circadian rhythms, by recording their activity, position and wrist temperature. We will also use three questionnaires to evaluate sleep quality, daytime drowsiness and chronotype: (a) Pittsburg Sleep Quality Index; (b) Epworth Daytime Sleepiness Scale; and (c) Morning and Evening Questionnaire. Data will be collected from each hospital and statistical analysis will be carried out using the SPSS 19.0.

DISCUSSION

The study findings will show the current state of the nurses' circadian rhythms and how shift work can affect them and their job performance. Funding for this 3-year study was granted in December 2011 by the Spanish Health Research Fund (PI 11/00646, Health Ministry). This project is also funded by the Instituto de Salud Carlos III (RETICEF, RD12/0043/0011, RD12/0043/0006).

Validation of the Spanish version of the questionnaire Practice Environment Scale of the Nursing Work Index

BACKGROUND

The importance of the practice environment in the provision of care and its relation with patient outcomes and nurse-reported outcomes, support the need to have an instrument to measure such practice environment.

OBJECTIVE

To evaluate the validity and reliability of the Spanish version of the Practice Environment Scale of the Nursing Work Index (PES-NWI), determining the content validity, test-retest reliability, internal consistency and construct validity.

DESIGN

A cross-sectional survey of bedside care nurses undertaken in 2009 in medical, surgical and critical care wards of 33 Spanish National Health Service hospitals with more than 150 beds.

METHODS

The validation process followed the internationally recognized guidelines about psychometric properties of instruments: translation and back-translation, content validity, test-retest reliability, internal consistency and construct validity. Other study variables included, like nurses' intention to leave and job satisfaction.

RESULTS

The Intraclass Correlation Coefficient (ICC) for an overall score on the 31 item questionnaire was 0.87 (CI 95%: 0.85-0.89). Cronbach's alpha was 0.90 (CI 95%: 0.87-0.93). The weighted Kappa Index obtained for each of the items ranges from 0.24 (CI 95%: 0.22-0.26) to 0.51 (CI 95%: 0.49-0.53). The Content Validity Index score ranges from 0.5 for the item "Opportunities for advancement" to 1. Five of the terms attain this maximum level of agreement: "Active staff development or continuing education programs for nurses", "Enough registered nurses on staff to provide quality patient care", "Enough staff to get the work done", "Management that listens and responds to employee concerns" and "Collaboration between nurses and physicians".

CONCLUSIONS

The validation process indicates that the Spanish version of the PES-NWI is valid and reliable in its current version and it can be used to measure the practice environment of Spanish nurses working in clinical practice in hospitals of the Spanish NHS.