Comparison of pulmonary artery pressure measurements in the supine and lateral positions

Pulmonary artery pressure monitoring, with the patient in both the supine and lateral position, constitutes an essential element of assessment in the critically ill. Previous work offers conflicting results regarding the accuracy of pulmonary artery pressure measurements obtained with the patient in the lateral position. Additionally, recent studies question the most appropriate thoracic surface landmark for use as the zero point for pulmonary artery pressure monitoring. The purpose of this study was to identify a reliable surface landmark to be used as the zero point for pulmonary artery pressure monitoring, as well as to determine if use of that zero point provided accurate pulmonary artery pressure measurements when the patient was in either the left or right 60° lateral position. Specifically, these questions were related to the post-operative cardiac surgical patient. Thirty-five post-operative cardiac patients, with pulmonary artery catheters in situ, were prospectively enrolled in this correlational study. All subjects underwent repositioning between the supine and both the left and right 60° lateral position on two occasions each, once while being mechanically ventilated and once while breathing spontaneously. Pulmonary artery pressure measurements, including Pulmonary Artery Systolic, Diastolic, Mean and Capillary Wedge Pressure, were recorded prior to, two minutes following and ten minutes following repositioning. For each subject a surface landmark was identified which corresponded with the mid-point of the thorax in each of the left and right 60° lateral position. Results showed that the dependent mid-clavicular line was the most frequent surface landmark for the zero-point (83% and 74% left and right respectively). Following change of position, pulmonary artery pressure measurements were variable. In the spontaneously breathing subject these differences had resolved and all pulmonary artery pressure measurements were statistically reliable 10 minutes after repositioning. In subjects being mechanically ventilated, despite some differences remaining, the Pulmonary Capillary Wedge Pressure measurement was statistically reliable 10 minutes after repositioning. This study concludes that clinical practitioners can confidently obtain accurate Pulmonary Capillary Wedge Pressure measurements in both the spontaneously breathing and mechanically ventilated post-operative cardiac surgical patient positioned in either the left or right 60° lateral positio

Assessing cardiovascular status: a guide for acute nurses

Many patients admitted to acute care areas of a hospital experience cardiovascular compromise due to conditions such as acute myocardial infarction (AMI), acute coronary syndrome or exacerbations of chronic heart failure. Additionally, patients can experience cardiovascular collapse due to bleeding or cardiac arrhythmias postoperatively. As a consequence, nurses in acute care settings need to be competent in assessing the cardiovascular status of adult patients. The authors provide a framework for assessing the cardiovascular status of patients in acute care settings using the determinants of cardiac output. They provide a brief review of the determinants of cardiac output before discussing both the aims of cardiovascular assessment and how to perform, such an assessment. (non- author abstract)<br /

Effectiveness appraisal of interventions to increase retention of newly qualified nurses implemented in the final year of pre-registration programmes: A literature review

Aim To understand the effectiveness of interventions to increase retention of early career nurses, implemented during the pre-registration programme. Background Retention of nurses is an issue of global concern. The transition period spanning the final year of pre-registration nurse education programmes and the first year of qualified practice is a point of high risk for attrition from the profession. Design A systematic review without meta-analysis and a thematic synthesis of wider literature, reported using SWiM and ENTREQ guidelines. Methods A convergent segregated approach was used to capture qualitative and quantitative study designs. A systematic review of quantitative papers reporting intervention and retention data and scoping review of a wider body of literature related to interventions supporting transition to qualified practice were conducted. Searches used Medline and CINAHL databases in October 2021. Data extracted from wider literature were inductively collated into themes relating to the intervention type and synthesised. Results Six papers were included in the systematic review and 27 papers were included in the scoping review. Interventions included internships, externships, clinical immersion programmes, capstone projects, preceptorships and psychological wellbeing programmes. There was a lack of consensus about the benefits of implementing interventions during the final year of pre-registration programmes, but some evidence that interventions incorporating preceptors, expose students to the clinical environment and involve academic/clinical collaboration, report positive outcomes related to transition to qualified practice, which potentially has an impact on motivation to stay in the profession. Conclusion Greater understanding of interventions supporting student nurses to reduce likelihood of leaving once qualified has been achieved. There is some evidence these interventions lead to increases in retention, but this is limited by the quality of the reporting and the scarcity of data. Consideration should be given to maximizing students’ exposure to clinical practice and the benefits that interventions with alternative approaches such as psychological wellbeing programmes may bring. This review has potential to influence effective implementation of interventions to increase retention of early career nurses if clinical practice and academic settings review proposed or actual interventions to maximise added value. Reporting method the manuscript has been written in adherence with the EQUATOR guidelines following the SWiM reporting guidelines for the systematic review and the ENTREQ guidelines for the scoping review

Study protocol: Home-based physical rehabilitation for survivors of a critical illness [ACTRN12605000166673]

INTRODUCTION: Numerous primary studies and several review papers have highlighted delayed physical and psychological recovery for survivors of critical illness, often beyond 6 months after discharge. This randomized controlled trial with blinded assessment aims to test the effects of an 8-week, home-based, individually tailored physical rehabilitation programme on physical and psychological recovery for survivors of a critical illness after discharge from hospital. METHOD: Participants are survivors of a critical illness discharged from nine intensive care units (ICUs) in Australia, who are aged 18 years or older, in an ICU longer than 48 hours, discharged home to self-care or carer (non-institutional care), able to participate in physical rehabilitation, and within the hospitals' local geographical areas for home visits. The study is based in participants' home environments. Blinded assessments at weeks 1, 8 and 26 after hospital discharge examine physical functioning, exercise capacity, health-related quality of life and psychological well being. The intervention is graded, individualized endurance and strength training prescribed by a pulmonary rehabilitation physiotherapist over an 8-week period, with three home visits, five follow-up phone calls, and a printed exercise manual supporting the training. Initial focus is on lower limb exercises and walking, with warm-up stretches, and progresses to the addition of core stabilization and upper limb exercises. RESULTS: The burden of a critical illness is well documented. This novel study will determine whether a home-based physical rehabilitation programme improves the recovery trajectory for survivors of critical illness. The projected sample size of 200 patients aims to detect a clinically important 10% improvement in physical functioning. The study will also examine whether other important physical and psychological measures are improved. CONCLUSION: This multicentre, randomized controlled trial will examine outcomes that are meaningful to patients, their family and society, namely functional ability and well being. The study will also target a health problem that is likely to increase as the population ages. If the programme is effective, it will provide a model that can be easily adapted and adopted by existing primary care or community services to improve the recovery of individuals following critical illness

The use of diaries in psychological recovery from intensive care

Intensive care patients frequently experience memory loss, nightmares, and delusional memories and some may develop symptoms of anxiety, depression, and post-traumatic stress. The use of diaries is emerging as a putative tool to 'fill the memory gaps' and promote psychological recovery. In this review, we critically analyze the available literature regarding the use and impact of diaries for intensive care patients specifically to examine the impact of diaries on intensive care patients' recovery. Diversity of practice in regard to the structure, content, and process elements of diaries for intensive care patients exists and emphasizes the lack of an underpinning psychological conceptualization. The use of diaries as an intervention to aid psychological recovery in intensive care patients has been examined in 11 studies, including two randomized controlled trials. Inconsistencies exist in sample characteristics, study outcomes, study methods, and the diary intervention itself, limiting the amount of comparison that is possible between studies. Measurement of the impact of the diary intervention on patient outcomes has been limited in both scope and time frame. Furthermore, an underpinning conceptualization or rationale for diaries as an intervention has not been articulated or tested. Given these significant limitations, although findings tend to be positive, implementation as routine clinical practice should not occur until a body of evidence is developed to inform methodological considerations and confirm proposed benefits

Patterns of behaviour in nursing staff actioning the afferent limb of the rapid response system (RRS): A focused ethnography

Abstract Aim: To improve understanding of afferent limb behaviour in acute hospital ward settings, to define and specify who needs to do what differently and to report what afferent limb behaviours should be targeted in a subsequent multi-phase, theory-based, intervention development process. Design: Focused ethnography was used including direct observation of nursing staff enacting afferent limb behaviours and review of vital signs charts. Methods: An observation guide focused observation on “key moments” of the afferent limb. Descriptions of observations from between 7 January 2019–18 December 2019 were recorded in a field journal alongside reflexive notes. Vital signs and early warning scores from charts were reviewed and recorded. Field notes were analysed using structured content analysis. Observed behaviour was compared with expected (policy-specified) behaviour. Results: Observation was conducted for 300 hr. Four hundred and ninety-nine items of data (e.g., an episode of observation or a set of vital signs) were collected. Two hundred and eighty-nine (58%) items of data were associated with expected (i.e. policy-specified) afferent limb behaviour; 210 (42%) items of data were associated with unexpected afferent limb behaviour (i.e. alternative behaviour or no behaviour). Ten specific behaviours were identified where the behaviour observed deviated (negatively) from policy or where no action was taken when it should have been. One further behaviour was seen to expedite the assessment of a deteriorating patient by an appropriate responder and was therefore considered a positive deviance. Conclusion: Afferent limb failure has been described as a problem of inconsistent staff behaviour. Eleven potential target behaviours for change are reported and specified using a published framework. Impact: Clear specification of target behaviour will allow further enquiry into the determinants of these behaviours and the development of a theory-based intervention that is more likely to result in behaviour change and can be tested empirically in future research

Health-related quality of life and physical recovery after a critical illness: a multi-centre randomised controlled trial of a home-based physical rehabilitation program

Introduction: Significant physical sequelae exist for some survivors of a critical illness. There are, however, few studies that have examined specific interventions to improve their recovery, and none have tested a home-based physical rehabilitation program incorporating trainer visits to participants' homes. This study was designed to test the effect of an individualised eight-week home-based physical rehabilitation program on recovery. Methods: A multi-centre randomised controlled trial design was used. Adult intensive care patients (length of stay of at least 48 hours and mechanically ventilated for 24 hours or more) were recruited from 12 Australian hospitals between 2005 and 2008. Graded, individualised endurance and strength training intervention was prescribed over eight weeks, with three physical trainer home visits, four follow-up phone calls, and supported by a printed exercise manual. The main outcome measures were blinded assessments of physical function; SF-36 physical function (PF) scale and six-minute walk test (6MWT), and health-related quality of life (SF-36) conducted at 1, 8 and 26 weeks after hospital discharge. Results: Of the 195 participants randomised, 183, 173 and 161 completed the 1, 8 and 26 weeks assessments, respectively. Study groups were similar at Week 1 post-hospital; for the intervention and control groups respectively, mean norm-based PF scores were 27 and 29 and the 6MWT distance was 291 and 324 metres. Both groups experienced significant and clinically important improvements in PF scores and 6MWT distance at 8 weeks, which persisted at 26 weeks. Mixed model analysis showed no significant group effects (P = 0.84) or group by time interactions (P = 0.68) for PF. Similar results were found for 6MWT and the SF-36 summary scores. Conclusions: This individualised eight-week home-based physical rehabilitation program did not increase the underlying rate of recovery in this sample, with both groups of critically ill survivors improving their physical function over the 26 weeks of follow-up. Further research should explore improving effectiveness of the intervention by increasing exercise intensity and frequency, and identifying individuals who would benefit most from this intervention. Trial registration: Australia and New Zealand Clinical Trials Register ACTRN1260500016667

Inconsistent relationship between depth of sedation and intensive care outcome: systematic review and meta-analysis

Purpose: To determine the effect of depth of sedation on intensive care mortality, duration of mechanical ventilation, and other clinically important outcomes. Methods: We searched MEDLINE, Embase, CENTRAL, CINAHL, PsycINFO from 2000 - 2020. Randomised controlled trials and cohort studies that examined the effect of sedation depth were included. Two reviewers independently screened, selected articles, extracted data and appraised quality. Data on study design, population, setting, patient characteristics, study interventions, depth of sedation and relevant outcomes were extracted. Quality was assessed using Critical Appraisal Skills Programme tools. Results: We included data from 26 studies (n=7865 patients): 8 RCTs and 18 cohort studies. Heterogeneity of studies was substantial. There was no significant effect of lighter sedation on intensive care mortality. Lighter sedation did not affect duration of mechanical ventilation in RCTs (mean difference [MD]: -1.44 days [95% CI -3.79 to 0.91]) but did in cohort studies (MD: -1.54 days [95% CI -2.68 to -0.39]). No statistically significant benefit of lighter sedation was identified in RCTs. In cohort studies lighter sedation improved time to extubation, intensive care and hospital length of stay and Ventilator Associated Pneumonia. We found no significant effects for hospital mortality, delirium or adverse events. Conclusion: Evidence of benefit from lighter sedation is limited, with inconsistency between observational and randomised studies. Positive effects were mainly limited to low quality evidence from observational studies, which could be attributable to bias and confounding factors

Exploring student nurses' attitudes towards those who are obese and whether these attitudes change following a simulated activity

BACKGROUND: As the prevalence of obesity increases worldwide the field of bariatric medicine has emerged, focussing on the causes, prevention and treatment of obesity. People who are obese regularly face bias from healthcare professionals, which can negativity impact on care delivery and patient outcomes. The introduction of bariatric empathy suits into simulated practice may enable student nurses to appreciate the needs of, and influence their attitudes towards, obese people. OBJECTIVES: The aim of this study was to explore student nurses' attitudes towards those who are obese and whether these attitudes change following a simulated activity. DESIGN: A mixed methods study incorporating a pre-post design. SETTING: A UK university which provides pre-registration nursing education. PARTICIPANTS: Nursing students in part 1 (n = 39) and part 2 (n = 29) in adult and mental health fields. METHODS: Part 1 and 2 nursing students completed the "Nurses' attitudes towards obesity and obese patients scale" (NATOOPS) questionnaire. Part 2 students also took part in a simulation activity while wearing a bariatric empathy suit and completed the NATOOPS questionnaire again immediately after the simulation activity. Students who wore the empathy suits were invited to a focus group. RESULTS: Part 1 students reported poorer attitudes on the NATOOPS scale than Part 2 students. After wearing the bariatric empathy suits students reported changed attitudes on the NATOOPS in three areas: response to obese patients, characteristics of obese patients and supportive roles in caring for obese patients. Five themes emerged from the focus groups related to physical and psychological impact of the suits; thinking differently; simulation as a learning experience and challenges and recommendations. CONCLUSIONS: Following a structured educational experience student nurses' attitudes were more positive towards obese patients. The characteristics of the educational activity that appeared to influence student nurses' attitudes was related to the "lived experience" of wearing bariatric empathy suits

What have our patients learnt after being hospitalised for an acute myocardial infarction?

Background: Education for hospitalised patients is an important aspect of care for people who have an acute cardiovascular event. Objective: To investigate the cardiovascular risk factor behaviours of patients together with their acute coronary syndrome (ACS) knowledge, attitudes and beliefs following admission to hospital for an acute myocardial infarction. Methods: Patients diagnosed with an acute myocardial infarction participated in an observational study. Patients completed a questionnaire consisting of cardiovascular risk factor behaviour questions and the ACS Response Index prior to discharge and at follow-up 10 weeks later. Results: Of the 135 participants enrolled, 114 (84%) completed follow-up, 70% were males; mean age was 63 (±11.6) years. The median length of hospital stay was 3 days (IQR 1) and the time to follow-up after discharge was 10 weeks. Self-reported risk factor behaviours improved significantly for diet (p < 0.001) and smoking cessation (p = 0.023) following discharge. At discharge 39% of patients had inadequate knowledge of ACS symptoms. The ACS Response Index improved significantly after discharge for attitudes (p = 0.004) and beliefs (p = 0.008). Despite 85% of patients indicating they would attend cardiac rehabilitation only 30% had commenced a programme at follow-up. Conclusion: Patients reported implementing a number of healthy lifestyle changes following discharge including smoking cessation and healthy eating. Attitudes and beliefs regarding ACS showed a significant improvement following discharge. More than one third of patients had inadequate knowledge at discharge, suggesting current education practices may not be meeting the needs of patients with a myocardial infarction