Managing chronic disease: evidence-based medicine or patient centred medicine?

Ranking evidence in substance use and addiction

Evidence-based medicine has consistently prized the epistemological value of randomized-controlled trials (RCTs) owing to their methodological advantages over alternative designs such as observational studies. However, there are limitations to RCTs that hinder their ability to study chronic and dynamic conditions such as substance use and addiction. For these conditions, observational studies may provide superior evidence based on methodological and practical strengths. Assuming epistemic superiority of RCTs has led to an inappropriate devaluation of other study designs and the findings they support, including support for harm reduction services, especially needle exchange programs and supervised injection facilities. The value offered by observational studies should be reflected in evidence-based medicine by allowing more flexibility in evidence hierarchies that presume methodological superiority of RCTs. Despite the popularity of evidence ranking systems and hierarchies, nothing should replace critical appraisal of study methodology and examining the suitability of applying a given study design to a specific research question.

The Patient-Centered Medicine as the Theoretical Framework for Patient Engagement

The present contribution will describe the origin, development and main characteristics of the patient-centered medicine; the literature on patient-centeredness, in particular in the field of chronic disorders, will be discussed and the importance of this approach underlined; arguments about the importance of patient-centered medicine as theoretical frame founding and supporting the concept of patient engagement will be highlighted, considering that only within this medical epistemology the patient's engagement can find a full and complete expression.

An exploration of how nurse prescribing is being used for patients with respiratory conditions across the east of England

BACKGROUND

There is a need to reduce symptoms, exacerbations and improve quality of life for patients with respiratory diseases. Across the world, increasing numbers of nurses are adopting the prescribing role and can potentially enhance service provision. Evidence suggests improved quality of care and efficiencies occur when nurses adopt the prescribing role. No evidence is available on the views of nurse prescribers who care for respiratory patients. The aim was to explore how nurse prescribing is being used for patients with respiratory conditions in different care settings across one strategic health authority, and whether this has benefited patients, healthcare professionals and the National Health Service.

METHODS

A qualitative study involving semi-structured interviews with a purposive sample of 40 nurses who prescribed for respiratory patients across the six counties in the East of England Strategic Health Authority. Data were collected in 2011 and subject to thematic analysis.

RESULTS

Disease management, including treatment and prevention of exacerbations, emergency episodes and minor illness, optimising and co-ordinating care were key aspects of care provided. Findings are reported under three themes: access, adherence and risk management and impact on nurses. Prescribing enabled nurses overcome existing problems in service provision to improve access, efficiency and patient convenience, reducing hospital admissions and length of stay. It also enabled patient centered consultations, which encouraged self-management, improved adherence, helped manage expectations, and reduced inappropriate service use. While participants experienced increased job satisfaction, knowledge and confidence, concerns were raised about increased responsibility, support, governance and future commissioning of services in line with planned major changes to the National Health Service.

CONCLUSIONS

This study provides new knowledge about how nurse prescribers provide care to patients with respiratory diseases. Despite a lack of consensus over the most effective model of respiratory care, prescribing was reported to have improved and extended points of access to treatment, and supported management of complex patients, particularly vulnerable groups. Given the high burden of chronic respiratory disease to patients and families this has important implications that need to be considered by those responsible for commissioning services in the United Kingdom and other countries.

Involving patients in research: the challenge of patient-centredness

BACKGROUND

The concept of patient-centredness is increasingly being incorporated into modern healthcare practice, yet little attention has been given to the development of patient-centred principles in research.

AIMS

This study aimed to establish convergent validity for a definition of patient-centredness using abstracts from schizophrenia research and to explore the experiences of psychiatrists and service users taking part in research that was designed to be patient-centred.

METHODS

Mixed methods were used in this community study.

RESULTS

Thirteen service users and three psychiatrists took part. Service users rated eight of 60 research abstracts as patient-centred, even though 30 of these had been previously rated as such by psychiatrists. There was some accord between psychiatrist and service user ratings as seven out of eight abstracts were identified by both groups as patient-centred. Process aspects of research were valued by service users, for example, being respected as collaborators. Both groups reported benefits to participation in patient-centred research, such as feeling valued and breaking down barriers between doctor and patient.

CONCLUSIONS

While there is some agreement between professionals and service users as to what constitutes patient-centred research, other process-related factors are important. Patient-centred research is valued by both service users and doctors and should be incorporated into future studies.

The epistemology and ethics of chronic disease research: further lessons from ECMO

Robert Truog describes the controversial randomized controlled trials (RCTs) of extracorporeal membrane oxygenation (ECMO) therapy in newborns. Because early results with ECMO indicated that it might be a great advance, saving many lives, Truog argues that ECMO should not have been tested using RCTs, but that a long-term, large-scale observational study of actual clinical practice should have been conducted instead. Central to Truog's argument, however, is the idea that ECMO is an unusual case. Thus, it is an open question whether Truog's conclusions can be extended to other areas of medical research. In this paper, I look at epistemological and ethical issues arising in the care of patients with chronic diseases, using ECMO as a starting point. Both the similarities and the dissimilarities of these two cases highlight important issues in biomedical research and support a conclusion similar to Truog's. Observational studies of clinical practice provide the best evidence to inform the treatment of patients with chronic disease.

Measuring health outcomes of a multidisciplinary care approach in individuals with chronic environmental conditions using an abbreviated symptoms questionnaire

The Nova Scotia Environmental Health Centre is a treatment facility for individuals with chronic environmental conditions such as multiple chemical sensitivity, chronic fatigue syndrome, fibromyalgia, chronic respiratory conditions and in some cases chronic pain. The premise of care is to provide a patient-centred multidisciplinary care approach leading to self-management strategies. In order to measure the outcome of the treatment in these complex problems, with overlapping diagnoses, symptoms in many body systems and suspected environmental triggers, a detailed symptoms questionnaire was developed specifically for this patient population and validated. Results from a pilot study in which an abbreviated symptoms questionnaire based on the top reported symptoms captured in previous research was used to measure the efficacy of a multidisciplinary care approach in individuals with multiple chemical sensitivity are presented in this paper. The purpose of this study was to examine the extent, type and patterns of changes over time in the top reported symptoms with treatment measured using the abbreviated symptoms questionnaire. A total of 183 active and 109 discharged patients participated in the study where the health status was measured at different time periods of follow up since the commencement of treatment at the Centre. The findings from this study were successful in generating an initial picture of the nature and type of changes in these symptoms. For instance, symptoms such as difficulty concentrating, sinus conditions and tiredness showed early improvement, within the first 6 months of being in treatment, while others, such as fatigue, hoarseness or loss of voice, took longer while others showed inconsistent changes warranting further enquiry. A controlled longitudinal study is planned to confirm the findings of the pilot study.

Psychosocial and Psychodynamic Factors Influencing Health Care Utilisation

This paper aims to elucidate some dysfunctional aspects of health care utilisation by combining concepts from modern systems theory and from psychoanalysis. Contemporary health care in industrialised countries can be conceived as a social system in terms of modern systems theory. According to this theory, social systems are operating on the basis of a 'guiding difference,' which in the case of health care is the distinction between 'healthy' and 'ill.' Its rigidity in adhering to the healthy-ill dichotomy exposes health care to being collusively entangled in the interpersonal defence arrangements of patients. In the psychoanalytic view, individual conflicts can be warded off from consciousness not only by intrapsychic defence, but also by interpersonal defence mechanisms. These mechanisms involve the patients' close social environment, often including doctors and hospitals. The functioning and the motivational structure of health care itself shows features of neurotic defence: not only its representatives, but health care as a whole act in a rigid, obsessive manner in order to separate the healthy from the ill and to battle against (presumed) diseases. This obsession sometimes results in excessive diagnostic activism and in inconsiderate application of aggressive medical treatments. Both are inappropriate with regard to the salient problem of modern medicine: the increase of chronic nonfatal diseases like depression and chronic pain. The described defence mechanisms are unconscious not only to patients but also to health care professionals (let alone health politicians), and are contributing to dysfunctional health care overuse.

How can we help employees with chronic diseases to stay at work? A review of interventions aimed at job retention and based on an empowerment perspective

OBJECTIVES

A growing number of persons aged 16-65 is hampered by a chronic condition in performing job activities. Some of them quit the labour market prematurely. Vocational rehabilitation used to focus on (re)entering the labour market. Recently more attention is paid to interventions aimed at job retention. Some of these use an empowerment perspective. The objective of this study is to describe the characteristics, feasibility and effectiveness of such vocational rehabilitation interventions in order to decide which approaches are fruitful.

METHOD

The Medline, Embase, Cinahl and Psycinfo databases were systematically researched for studies published between 1988 and March 2004. Studies were included if they were experimental, included an intervention that aimed at job retention by means of solving work-related problems, used an empowerment perspective and concerned employees with one of the following chronic illnesses: diabetes mellitus, rheumatic diseases, hearing disorders, multiple sclerosis, inflammatory bowel disease, epilepsy, chronic kidney failure, COPD and asthma.

RESULTS

Nine studies were detected. The aims of the intervention programs were to improve psychosocial skills or implement work accommodations. They were structured as individual (6x) or group programmes (3x). They used methods like education (9x), assessment (7x), counselling (5x), training or role playing (5x). The most important outcome measures were employment status (5x), actions to arrange work accommodations (3x), and psychosocial measures like self-efficacy and social competence (3x). Employment status was claimed to be positively influenced in four out of five studies, obtaining work accommodations was successful in all three studies and psychological outcome measures improved in two out of three studies.

CONCLUSIONS

There is some evidence that vocational rehabilitation interventions that pay attention to training in requesting work accommodations and feelings of self-confidence or self-efficacy in dealing with work-related problems are effective. There is no evidence for greater effectiveness of group programs compared to individual programs. Attention has to be paid to feasibility aspects such as recruitment of participants and cooperation between medical professionals, occupational physicians, and vocational rehabilitation experts. Medical specialists and nursing specialists should pay more attention to work. Although many studies claim effectiveness, evidence for this was often weak due to short follow-up and the lack of control groups. More rigorous evaluation is needed.

The impact of social deprivation on chronic back pain outcomes

Chronic low back pain is the commonest cause of disability for adults of working age. It is a complex problem frequently encapsulated as a bio-psychosocial issue, yet the social element has received less attention than it deserves, particularly for low-income and socially deprived patients. Rehabilitation programmes are often based on increasing function through cognitive and behavioural techniques, which, for many reasons, may be less effective for the socially disadvantaged. In this paper we discuss the potential barriers to successful rehabilitation in socially deprived groups and we look at possible factors that may need to be considered when designing interventions.

Preventing work disability among employees with rheumatoid arthritis: What medical professionals can learn from the patients' perspective

OBJECTIVE

To compare the perspectives of employees with rheumatoid arthritis (RA) with those of medical professionals regarding what persons with RA need to prevent work disability.

METHODS

Concept mapping was conducted in a group session with 21 employees and by mail with 17 medical professionals. Each group was asked to formulate statements on what enables employees with RA to retain their jobs. Group members scored all statements for importance and clustered them into themes. Results were statistically aggregated at the group level.

RESULTS

The concept mapping with employees yielded 59 statements, which were clustered into 7 themes. The 4 most important themes were employer support; understanding and acceptance of illness by employees themselves; suitable working conditions; and support from colleagues, health professionals, and the patient's organization. The concept mapping with medical professionals yielded 65 statements, which were clustered into 8 themes. The 6 most important themes were well-informed professionals who cooperate effectively; employees' coping capacities and commitment to work; financial regulations at the workplace; adequate social security provisions, medication, and therapy; a positive attitude on the part of employers and colleagues; and suitable working conditions.

CONCLUSION

Factors that enable continued employment lie at different levels, including the psychosocial, practical, organizational, and social policy levels. Health professionals appear to underestimate factors that are important from the patient's perspective, especially support from employers. In discussing work with patients, health professionals need to address themes that are important from the patient's perspective.

Rehabilitation of people with rheumatoid arthritis

Rehabilitation, as an adjunct to pharmacological and surgical therapies in patients with rheumatoid arthritis (RA), aims to minimize the consequences of the disease. For a systematic assessment of the consequences of disease, an appropriate definition and evaluation of the goals of therapy and interventions, and an active partnership with the patient, a structured approach to rehabilitation management is needed.Despite widespread positive clinical experience with rehabilitative interventions, the scientific evidence of their effectiveness is, in general, scanty, owing to a lack of studies with sufficient methodological quality. Further well-designed clinical studies are warranted with respect to several interventions where evidence is falling short.