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Systematic review of frameworks used to conceptualise health pathways of individuals diagnosed with cardiovascular diseases
  1. Maureen L Seguin1,
  2. Avanti Rangnekar1,
  3. Alicia Renedo2,
  4. Benjamin Palafox1,
  5. Martin McKee1,
  6. Dina Balabanova3
  1. 1Department of Health Services Research and Policy, London School of Hygiene and Tropical Medicine Faculty of Public Health and Policy, London, UK
  2. 2Social and Environmental Health Research, London School of Hygiene and Tropical Medicine Faculty of Public Health and Policy, London, UK
  3. 3Global Health and Development, London School of Hygiene and Tropical Medicine Faculty of Public Health and Policy, London, UK
  1. Correspondence to Dr Maureen L Seguin; maureen.seguin{at}lshtm.ac.uk

Abstract

The treatment of cardiovascular disease (CVD) is managed inadequately globally. Theoretically informed frameworks have the potential to account for the multiple elements which constitute the CVD patient pathway, and capture their inter-relationships and processes of change. However, a review and critique of such frameworks is currently lacking. This systematic review aims to identify and critically assess frameworks of access to and utilisation of care which capture the pathways of patients diagnosed with one or more CVDs. The specific objectives are to (1) review how existing frameworks have been used and adapted to capture CVD patient pathways and (2) draw on elements of Strong Structuration Theory to critically appraise them, in terms of their ability to capture the dynamics of the patient journey and the factors that influence it. Five bibliographic databases were searched in January 2019. We included qualitative and quantitative studies containing frameworks used to capture the patient pathway of individuals with CVD, encompassing symptoms, diagnosis, treatment and long-term management. Data on patient behaviour and structural factors were interpreted according to elements of Strong Structuration Theory to assess frameworks on their ability to capture a holistic patient journey. The search yielded 15 articles. The majority were quantitative and all focused on management of CVDs, primarily hypertension. Commonly used frameworks included the common-sense self-regulation model, transtheoretical model and theory of planned behaviour. A critique drawing on elements of Strong Structuration Theory revealed these frameworks narrowly focused on patient attributes (patient beliefs/attitudes) and resulting patient action, but neglected external structures that interacted with these to produce particular outcomes, which results in an individualistic and linear view of the patient pathway. We suggest that a framework informed by Strong Structuration Theory is sufficiently flexible to examine the patient pathway, while avoiding a strict linear view facilitated by other frameworks.

  • cardiovascular disease
  • health systems
  • public health
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Key questions

What is already known?

  • Several theoretical frameworks have been used to understand the complex behaviours and care pathways of patients with cardiovascular disease (CVD).

What are the new findings?

  • These existing frameworks are insufficient to fully grasp the nuances that characterise CVD patient behaviour and the factors which shape their actions over time.

What do the new findings imply?

  • A framework drawing on elements from Strong Structuration Theory may provide the flexibility and comprehensiveness needed to overcome these deficits.

Introduction

Cardiovascular disease (CVD) continues to be managed inadequately in countries at all levels of development.1 Many individuals diagnosed with CVD face barriers accessing affordable, high-quality, long-term care, and even if they overcome them, a high proportion soon fail to adhere to treatment. The reasons relate to the design of health systems, the health services that are provided, their responsiveness to patient needs and expectations and characteristics of the patients themselves. Many of these factors have been addressed in isolation, with limited success. As a consequence, attention is moving towards a holistic approach taking into account individual, institutional and structural factors and how these interrelate to shape patient pathways.2 This is the approach taken by the ‘Responsive and Equitable Health Systems—Partnership on Non-communicable Diseases’ (RESPOND) study, which aims to holistically explore pathways of hypertensive patients in Malaysia and the Philippines.3 Achieving this aim requires a critical analysis of existing frameworks which attempt to capture pathways of patients diagnosed with CVDs.

Patients with CVDs frequently come in and out of what are considered ideal or ‘standardised’ pathways. For instance, patients may discontinue medication, disengage with health services and/or develop alternative management to the ones planned by health services (eg, consume traditional medicine). Frameworks are beneficial insofar as they can illuminate a snapshot of the multiple elements (individual, sociocultural or health system-related) which constitute the pathway, and capture their inter-relationships and processes of change. Second, frameworks may be derived from theories which provide explanation of the observed phenomena. As such, they may represent an operationalisation of a set of ideas or theory. Frameworks also enable the exploration of patterns across multiple settings (within or across countries) and of underlying common patterns and obstacles along the pathway.

A range of theoretical frameworks have been developed to facilitate understanding of patient pathways,4 offering a broad picture of the multiple elements (individual or health system-related) which constitute the pathway. Theoretical frameworks have improved understanding of relationships between health beliefs and medication-taking behaviour.5 Treatment-adherent patients may be highly engaged with the health system, accessing professional help when needed, responding to professionals when contacted and closely following a set care plan. Meanwhile, poorly adhering patients may be less engaged or engage at different points than their adherent counterparts; although, in reality, the same patients may fall into both categories at different times, as circumstances within the health system, their personal life, family resources and logistic factors such as availability of transportation change.

A patient pathway is a construct that explains success or failure in patients’ progression through a planned health trajectory. When frameworks describing these pathways are too narrow (eg, focusing only on personal or biomedical aspects), they remove attention from broader sociostructural dimensions of health experiences and engagement with care,6 constructing patients as ‘the problem’. As such, frameworks imply presuppositions of who/what the problem is and produce particular representations of patients. A critical appraisal of existing frameworks focused on CVD patient pathways is necessary to illuminate such presuppositions and develop frameworks which facilitate a more holistic account of patient behaviour and social circumstances which may shape behaviour.

This paper presents the findings of a systematic review seeking to identify and critically assess frameworks of access to and utilisation of care which capture the pathways of patients diagnosed with one or more CVDs. The specific objectives are to (1) review how existing frameworks have been used and adapted to capture pathways followed by patients with CVD and (2) draw on elements of Strong Structuration Theory (SST) to critically appraise them, in terms of their ability to capture the dynamics of the patient journey and the factors that influence it. In the ‘Theoretical background’ section, we provide a description of the key elements of SST, starting by outlining Structuration Theory, its predecessor.

Theoretical background

Sociological perspectives are useful for exploring the dynamic processes and mechanisms which mediate patient engagement with health systems, including barriers encountered.7 8 For instance, Structuration Theory, developed by Giddens in ‘The Constitution of Society’,9 focuses on micro-level, meso-level and macro-level factors to explain individual behaviour and features of society, and crucially, how these evolve over time.

Structuration Theory attempts to overcome two opposing approaches in the social sciences: the structuralist approach, which tends to overlook the potential of human action, and the individualistic approach, which tends to neglect the impact of social structures in shaping action.9 10 Giddens attempted to integrate these approaches. He defined structures as rules (procedures which perpetuate social life, including social conventions and official regulations) and resources (sources of power).9 Agency is human action, and involves individuals being knowledgeable about the rules or conventions that govern this action. Critically, Giddens proposed a ‘duality of structure’: that structures are created by, and shape, human agency.11 Thus, structures and agency are interdependent and mutually reinforcing, two sides of the same coin. This approach has enabled researchers to explore social phenomena at macrolevel mesolevel and microlevel.12

Structuration Theory does, however, have an important limitation in that empirical researchers have struggled to operationalise these concepts of structure and agency. Archer argued that structure and agency cannot be separated empirically in Giddens’s version of Structuration Theory, precluding the possibility of studying the independent properties of either.13 In a similar vein, Stones criticises Structuration Theory on the grounds that it treats agency and structure as abstract concepts only, limiting empirical application.11

Progressing from these debates, Stones revised Structuration Theory and offered a tighter and clearer synopsis of the theory in order to guide empirical research, termed SST.11 The theory consists of four main elements (a ‘quadripartite cycle of structuration’) consisting of external structures, internal structures, action/active agency and outcomes.11 The elements are illustrated in figure 1.

Figure 1

Elements of Strong Structuration Theory. Adapted from Stones.11

External structures are autonomous to individuals, and include traditions, norms, moral codes and established ways of doing things. They include macro-level societal institutions such as health, legal and educational systems. Although these factors and institutions shape human behaviour (and human choice), this relationship is bi-directional; external structures are modified by the choices made by individuals.11 For instance, patients choosing to treat their hypertension with complimentary medicine perpetuates this industry. External social structures become internalised into individuals’ views of the social world, forming internal structures. Internal structures consist of two types: (i) general dispositions are the relatively enduring and transposable attitudes, opinions, beliefs and embodied knowledge of socially positioned individuals (similar to Bourdieu’s notion of habitus);14 this is the generalised knowledge of, and set of dispositions towards, the world, which individuals adapt to different situations; and these defining characteristics include the interpretative (or cultural/phenomenological) frames that inform their practices across conjunctures and situations; and (ii) conjuncturally specific internal structures comprises situationally specific knowledge concerning aspects of the immediate terrain of action; this kind of knowledge, which is always framed by the cultural frames of general dispositions, is often significantly altered by involvement in, and experience of, social practices within specific terrains, which themselves are typically in flux. The third element of SST is action/active agency, exercised by individuals drawing on their internal structures in order to act. Such actions produce outcomes, the fourth element of SST, either by preserving and reproducing structures faithfully, or changing them depending on the behaviour of the individual.11 15

The quadripartite cycle of structuration offers a vantage point from which to understand and interpret the non-linearity of patient pathways. CVD patients’ experiences with initial diagnosis and treatment, and their subsequent interaction with the health system could influence how the patient perceives ‘Western’ or alternative forms of treatment. Because SST proposes that internal structures are grounded in objective external structures, it provides the potential to better comprehend patient pathways and choices which are often misaligned with ideal or ‘standardised’ pathways. Due to this advantage presented by SST, we chose to draw on SST elements to critically appraise the articles included in this review.

Methods

Eligibility criteria

This review focuses on frameworks which have been developed and used to capture elements of the patient pathway (including symptoms, diagnosis, treatment commencement and long-term management) of individuals with one or more CVDs. No review protocol was developed prior to this work. The main inclusion criteria included papers which:

  • featured frameworks with a longitudinal design (examined either prospectively or retrospectively), examining at least two junctures on the CVD patient pathway, from symptoms, diagnosis, treatment initiation and management (while this description of the pathway is linear, we recognise it is more complex);

  • focused on management, but consider steps taken over time rather than at one point in time;

  • featured unique frameworks empirically tested in studies of CVDs;

  • significantly modified or updated an older framework;

  • inductively proposed a new framework or combined elements from two or more frameworks arriving at significantly different theoretical models. This criterion, and the criterion bulleted above, yielded the full breadth of frameworks that had been used to illustrate CVD pathways, rather than an exhaustive compilation of papers using any framework. A set of articles containing such a compilation would have been too numerous to feasibly synthesise and was beyond the core aim of the paper.

The main exclusion criteria excluded papers which:

  • drew on an existing framework without modifying it;

  • presented frameworks but not fully describing their application in studies, or described framework components but neglected to describe interrelationships;

  • described an intervention;

  • presented frameworks which described service delivery or clinical pathways without capturing patient responses;

  • described structural frameworks used in large-scale reform plans and service transformations;

  • focused on acute or semi-acute CVDs, for instance, hypertensive conditions during pregnancy;

  • were books, editorials, commentaries, poster presentations and protocol papers;

  • were published in languages other than English.

Search strategy

We followed an iterative process, progressively refining our focus and search strategy, drawing on the multidisciplinary nature of our team to incorporate a range of expertise to direct the search strategy.16 This organic process was appropriate for the exploratory nature of the review.

A preliminary search on Medline was conducted in June 2017, updated and broadened in a final database search conducted in January 2019, which also included PsychINFO, International Bibliography of the Social Sciences, Academic Search Complete and Web of Science databases. A full Medline search string is provided in the online supplementary material.

Supplemental material

Filters were used to select English-language articles only, and to exclude articles published before 1980. Search terms covered aspects related to: CVDs (including heart failure, hypertension, heart disease and angina), quantitative and qualitative empirical studies, patient pathways and conceptual frameworks.

Selection process

Selection of papers for inclusion followed the five stages in the preferred reporting items for systematic reviews and meta-analysis checklist.17 First, titles and abstracts identified in the initial Medline search as outlined above were downloaded into Endnote. Second, these were independently reviewed by two authors against the inclusion and exclusion criteria. Titles and abstracts identified in the final search in January 2019 were independently screened by two authors, and full texts screened by three authors. Full texts of articles were screened by MLS, AR and DB. Articles that fulfilled the inclusion criteria outlined above were included in the review. Disagreements were resolved by discussion within the research team. An in-depth review of included studies was conducted. As our review is focused on frameworks used in articles, rather than the robustness of studies themselves, quality of included articles was not assessed.

Data extraction and analytic approach

Article aim, type of CVD, country of study (and classification of country by income status), setting, sample, methodology and elements of pathways captured (symptoms, diagnosis, treatment initiation and/or managements) were extracted from each article into an Excel spreadsheet. The specific framework(s) drawn on or created were identified and extracted, as well as details on how existing frameworks were modified. We also recorded whether the framework was used for deductive purposes (eg, to classify and interpret findings) or in an inductive way (eg, as emerging from the themes observed in findings).

The frameworks included in the articles were examined to assess the extent to which they captured aspects of patient behaviour and the structural factors impacting the patient pathway. The most commonly used frameworks were contextualised by tracing the origin of the framework, along with its key elements and critiques. At the final stage, data on patient behaviour and structural factors presented in the papers were interpreted and coded according to elements of Stones’ SST.11 Specifically, instances of agency, internal and external structures, and the impact of agency on structures and vice versa were extracted where reported.

Patient and public involvement

Representatives for neither patients nor the public were involved in developing this paper. However, they were extensively involved in the wider study,3 which prompted this review.

Results

Study selection

The results from the search are shown in figure 2. A total of 2179 records were identified at stage 1. After duplicates (n=124) were removed, titles and abstracts of 2055 were screened, yielding 219 full texts. This high number of full texts relative to the number of records initially identified reflects the challenge facing the research team as they sought to determine whether an innovative framework was used or developed in articles, which was frequently difficult to ascertain from abstracts and titles alone. A total of 204 were excluded due to lack of innovative framework, article type (notably interventions studies) and/or lack of empirical application of the framework. This left 15 for our review.

Figure 2

Results of the screening process. CVD, cardiovascular disease.

Details of the 15 included studies are reported in table 1. Although our scope was global, they were overwhelmingly from high-income countries. Nine were quantitative,18–26 four qualitative27–30 and two used mixed methods.31 32 Six focused on hypertension,19–21 24 28 29 three each on heart failure26 27 31 and coronary heart disease18 23 25 and there was one study each on congestive heart failure,30 acute coronary syndrome22 and myocardial infarction.32 Although we hoped to cover all parts of the CVD patient pathway, spanning symptoms, diagnosis, treatment initiation and long-term maintenance (including treatment adherence), the studies focused exclusively on long-term management.

Table 1

Characteristics of included articles

Frameworks to capture CVD patient pathways

Of the 15 included studies, 3 proposed a new framework, 10 drew on and modified existing frameworks and 2 used a combination of these approaches. The common-sense self-regulation model (and earlier self-regulation model) were the most commonly used, with five studies using them deductively.18 19 23 25 30 Three studies drew on the theory of planned behaviour22 25 or the earlier theory of reasoned action21 on which it is based. All of these studies incorporated elements of these theories with other existing frameworks.

Eight studies adopted a deductive approach and modified existing frameworks, including the health decision model,20 health belief model,21 theoretical domains framework32 or other models.22 23 26 31 32 Three studies proposed altogether new frameworks, following an inductive process.24 27 28 Additional details on these models appear in table 1.

As the common-sense self-regulation model, theory of planned behaviour and the transtheoretical model were the most commonly applied frameworks in our included articles, we next present an overview of key elements as originally developed in the three sections below entitled common-sense self-regulation model, theory of planned behaviour, and transtheoretical model. We show how each has two important limitations in conceptualising CVD patient pathways, so we seek an alternative. We show how Structuration Theory addresses some of the main limitations and discuss how it represents an advancement over the current types of framing.

Common-sense self-regulation model

The self-regulatory model, more recently known as the common-sense self-regulation model is a widely used theoretical framework for examining perceptual, behavioural and cognitive processes at play in self-management of health threats.33 34 It postulates that an individual’s perception of illness (termed cognitive representations) motivates the degree to which they take action to improve their health status.35 36 The original framework viewed individual perceptions of illness as resulting from five factors: illness identity (label or disease name and perceptions of associated symptoms), their causes (factors and/or behaviours predisposing an individual to the condition), consequences (personal impact of the condition, including experienced and anticipated physical, cognitive and social disruption), control (behaviours to regulate the condition) and timeline of the illness (individual perceptions about the duration of illness; chronological aspects of the disease course and management).33 35–37 More recent iterations of the framework separated the control factor into treatment control and personal control.

Proponents of the common-sense self-regulation model argue that the framework offers insights into individual differences in how illnesses are perceived, and how this influences behaviour regarding the illness.23 However, it has been criticised for the relative lack of attention to environmental and social factors in explaining patient behaviours.38 Moreover, it does not cover beliefs about medication or treatment, and how these may influence adherence.39 The authors acknowledge that the framework requires additional modification to fully grasp the dynamic nature of cognition and patient behaviour over time.40 For instance, Leventhal et al33 note:

The [common-sense self-regulation mode] is […] structured to describe transitions in behavior, that is, from nonadherence to adherence and from adherence to non-adherence, though few investigators have addressed the details of transitional processes. […] We need to identify and assess the variables and dynamic process involved in the initial transitions from discovering symptoms and labeling oneself as ill, to the intermediate term for seeking care and initiating treatment, to the transition from initiation to habitual performance of behaviors that is locked into daily behavioral patterns (pp. 936 and 944).

Theory of planned behaviour

The theory of planned behaviour, developed from the earlier theory of reasoned action41 seeks to predict and explain human behaviour in specific contexts.42 According to the former, health-related behaviour is a function of an individual’s intention to perform the action in question (termed behavioural intention).42 Intention results from three constructs: positive or negative attitude towards the action, perception of the social support or opposition to their fulfilling the action and individual perceptions of control over resources such as skills, confidence, and the ability to perform the behaviour. These elements influence an individual’s intentions, which then predict behaviour.

Critics have pointed out that the theory of planed behaviour is insufficient for predicting behaviour, as intentions can change during the period between the measurement of intention and the behaviour of interest.43 Thus, an intended behaviour may not be carried out. Some have suggested that forming action plans can bridge the intention-behaviour gap.44 Others have argued that factors beyond intention may influence behaviour, such as past behaviour, habits, self-identity and personality.45 46 A co-developer of the theory of planned behaviour emphasises that it should be modified if factors influencing intention beyond the original three constructs are identified.42

Transtheoretical model

The transtheoretical model of behavioural change, or the stages of change model, was proposed by Prochaska and DiClemente.47 Originally focusing on cessation of tobacco use, they suggested that behaviour change occurs in discrete stages: precontemplation (not thinking about stopping), contemplation (planning to stop between 31 days and 6 months in the future), preparation (planning to stop within 30 days), action (having stopped for 0–6 months) and maintenance (having stopped for >6 months).47 Another iteration included a sixth stage of change, termination (individual has permanently stopped).48 In all stages, individual self-efficacy is necessary to implement the behaviour change.48

Proponents of the transtheoretical model argue the model has enhanced health promotion interventions by highlighting the need to tailor interventions (beyond smoking cessation) according to the particular stage at which target individuals are situated, thereby improving effectiveness.48–50 Critics have argued that the time periods defining the stages are arbitrary,51 that the model unjustifiably assumes that individuals make coherent and stable plans52 and that important factors in behaviours change (such as reward and punishment) are unacknowledged.53 Nonetheless, authors have used constructs of the transtheoretical model to complement self-regulatory models (including the common-sense self-regulation model), arguing that this adds predictive value23 and enables a delineation between initial versus long-term behaviour change.54

Critique of current frameworks

The common-sense self-regulation model, transtheoretical model, theory of planned behaviour and theory of reasoned action share many common elements: all focus on the role of individual attitudes, perceptions and intention on subsequent individual behaviour,4 resulting in a representation of individual patient attributes as sole driving factors of pathways that depart from clinical guidelines. The impact of features of the health system (such as access, quality, patient-practitioner relations, health system department relations, etc) on medication adherence are beyond the explanatory scope of such frameworks. As a corollary, none of the frameworks above focus on how attitudes, intentions and perceptions are developed in the first place; they are treated as already-existing entities independent of the social world, including social, political, economic factors. It is increasingly recognised that individual behaviour is rooted in formal and informal structures, values and beliefs, and a focus solely on individuals obscures these influences.55

Efforts to integrate key elements from prominent theories of health behaviour have sought to address these issues, by inclusion of elements such as ‘environmental constraints’ (encompassing factors in the social environment) into explanatory models of health behaviour.56 However, even efforts to widen the group of variables (to include the social context) fail to address a fundamental issue: each framework takes an exclusively linear explanatory view of patient behaviour. Patient behaviour is taken as an end point to be explained, with independent factors including attitudes, preconceptions and intentions driving the behaviour of the patient as they progress towards that point. While patient behaviour and associated outcomes may be explained to some extent by these factors, patient behaviour is never static; patients may move between periods of adherence and non-adherence. The models do not articulate the ongoing consequences of these behaviours over time.

Given the limitations of existing frameworks, we have looked towards SST as it extends beyond individual-level explanations of patient behaviour (including the mesolevel and macrolevel), while recognising the non-linear nature of the pathways followed.

Application of Strong Structuration Theory concepts to included articles

To explore the potential of SST to capture CVD patient pathways, we test the usefulness of the theory through applying its elements (external and internal structures, instances of patient agency and outcome) to the findings of the included articles (see online supplementary material, table 2). Articles are assessed according to the focus on agency, structure or both, and whether they propose a continuous (perpetual, never-ending) view on the patient pathway or a static view featuring an end-point cut-off. Seven articles focused primarily on structure,18 20–25 six on both agency and structure19 27–30 32 and two on agency exclusively.26 31 The frameworks in included articles overwhelmingly take a static approach to the patient pathway, with only one article adopting a continuous viewpoint.30

Supplemental material

Articles considered the role of external structures including the healthcare system,19 20 27 29 30 social welfare system, work,21 28 physical environments,28 29 insurance companies,21 30 support system of family/friends,30 32 community educational resources on CVDs,29 social stigma against medication,31 societal patriarchal attitudes,21 29 social isolation28 and poverty.18 This wide array of structures indicates the healthcare system consists of (and is linked with) many kinds of external structures. Those structures beyond the healthcare system (eg, physical environments and patriarchal attitudes) are also potentially important factors in understanding patient behaviour and pathways.

Of the four SST elements, internal structures received the most attention, with all but two articles19 26 covering patient attitudes and beliefs. Eleven included patient attitudes toward treatment (including medication, diet and exercise regimes),18 20–24 28–32 with specific attention on attitudes towards food,29 prognosis29 30 and symptoms.30 Beliefs about the causes28 30 and nature of CVDs (specifically hypertension18 20 28 and coronary heart disease25) also featured prominently in the articles, along with attitudes towards health providers.20 27 30 32 Patient attitudes towards themselves were also explored, covering patient self-esteem,27 29 self-efficacy,23 29 32 confidence21 and self-identity.24 32 Finally, articles captured patient attitudes towards societal gender roles29 and stigma,31 as well as the role of religious beliefs29 on management. Despite the inclusion of these internal structures in articles, there was a relative lack of exploration of how they are influenced and formed by external structures.

In contrast, links between these internal structures and subsequent patient actions were explicit, with a wide variety of behaviours reported against the backdrop of these attitudes and beliefs. Most patient actions were framed as attempts to manage CVDs18–20 23 26 27 29 31 by making plans to control their condition27 32 on the basis of various forms of specific situational knowledge, such as monitoring symptoms,26 using medication reminders to develop a routine,32 addressing lifestyle risk factors,23 28 29 joining workplace heath programmes,21 seeking information on their condition and treatment27 and seeking advice and support.29 Some patients unilaterally chose to alter their hypertension medication on the basis of blood pressure readings,28 others declined medication29–31 or exercise regimes.25 One article reported that patients chose to present for care at emergency rooms rather than primary care.30

Of the four core concepts of SST, outcomes were focused on the least. Only one article touched on the impact of patient actions on structures, in this case external structures, by linking the tendency of patients to present at emergency rooms as perpetuating the treatment of congestive heart failure in hospitals rather than primary care.30

Discussion

Conceptual frameworks can provide a tool that helps to make sense of the complex reality of CVD patient pathways, assisting in identifying the multiple interacting factors shaping it. This review draws on elements of SST to critically appraise existing CVD patient pathway frameworks, in terms of their ability to capture the dynamics of the patient journey and the factors that influence it. Despite the importance of models to understand relationships between health beliefs and medication-taking behaviour,5 we found relatively few papers that provided ones that capture the pathways followed by patients with CVD, spanning symptoms, diagnosis, treatment and long-term management. Moreover, the papers identified focused exclusively on the long-term management phase, completely excluding any consideration of earlier phases of the CVD pathway. The stage at which patients ‘enter’ the pathway is absent in the literature, although it is likely that a patient’s situationally specific experiences during initial symptoms, diagnosis and treatment initiation are likely to have an important and lasting impact on how they approach long-term maintenance.

An SST-informed framework has the advantage of allowing one to conceive of the patient pathway as a continuous process, considering how individual patient behaviour is shaped by their internalisation of external structures. Such an integrated vantage point is necessary to fully explicate the CVD patient pathway, which is typically marked by periods of adherence and non-adherence, characterised by shifting structures. Individuals increasingly access sources of information challenging Western medicine, including ideas coming from traditional medicine or unorthodox treatment for chronic conditions, making treatment choices in situations of increased complexity and decreased certainty.57 Factors influencing patient behaviours are not static.

A second advantage is the potential for SST to be used flexibly, including facilitating focus on earlier points in the patient pathway (eg, initial diagnosis). External structures relevant to the diagnosis phase may differ from later phases; SST facilitates exploration into transitions across these phases, allowing a view of patient involvement with healthcare systems as a sequential process rather than a one-off event.58 This is a major advance over the frameworks identified in this review, which overwhelmingly focus only on long-term management. With these advantages in mind, we suggest that future work on CVD patient pathways could benefit by drawing on SST elements.

An SST-informed framing allows for an exploration of pathways that starts with the patients and their engagement with structures and actors, demonstrating how a patient-centred approach can inform health systems development. Rather than suggesting a framework with a set number of elements and hierarchical relationships, we suggest a broad framing that can be useful for future work focused on CVD patient pathways which incorporates these elements and captures the health systems and broader structural issues affecting patient progression to a successful outcome. We propose an open-ended approach that builds on SST principles, offering a flexible lens through which to examine the intersecting factors affecting patient trajectory. Importantly, the proposed conceptual approach, with its flexibility and reconciliation of multiple influences on the patient journey, can help to arrive at context-specific and pragmatic policy solutions. These will posit the patient not just as a recipient of care but as a co-creator of health systems.59

The current heavy focus on the influence of individual patient beliefs and attitudes on action facilitated by current frameworks construct patients as rational (or non-rational) decision-makers, with little consideration of the factors which shape these beliefs and attitudes in the first place. However, in line with previous critiques of health psychology approaches typically used in public health,60 these external factors do constrain and enable patient behaviour, regardless of how rational or well-informed patients are. The current type of individual-level focus can result in strategies that focus exclusively on changing patients’ attitudes, knowledge and behaviour,61 rather than the environmental (social and health system-related) factors which may influence behaviour. To better reflect this lived patient reality, future intervention development to modify patient pathways to reflect clinical guidelines may benefit from patient involvement in co-designing pathways.59

This review has certain limitations. It focused only on academic articles published in English. The wide array of frameworks in the included articles made comparisons difficult. We reviewed 219 full texts, which is high relative to other systematic literature reviews. This is due to the nuanced nature of the topic which necessitated a manual approach to determine the presence or absence of appropriate frameworks.

Conclusion

Existing frameworks used to understand pathways followed by patients with cardiovascular disease are insufficient to fully grasp the nuances that characterise patient behaviour and the factors which shape their actions over time. We propose that a framework drawing on elements from SST may overcome these deficits. The RESPOND study3 is doing this by applying SST concepts to examine hypertensive patient pathways in Malaysia and the Philippines.

Acknowledgments

The authors would like to thank the Wellcome Trust/Newton Fund-MRC Humanities & Social Science Collaborative Award scheme for providing funding for this research.

References

Footnotes

  • Handling editor Stephanie M Topp

  • Contributors All authors contributed to the planning of the work. MLS, AR and DB conducted the work. MLS led the reporting of the research, supported by all other authors. All authors approved of the final submitted draft.

  • Funding This project was funded by a Wellcome Trust/Newton Fund-MRC Humanities & Social Science Collaborative Award scheme.

  • Competing interests None declared.

  • Patient consent for publication Not required.

  • Provenance and peer review Not commissioned; externally peer reviewed.

  • Data availability statement Data are available on request.

  • Supplemental material This content has been supplied by the author(s). It has not been vetted by BMJ Publishing Group Limited (BMJ) and may not have been peer-reviewed. Any opinions or recommendations discussed are solely those of the author(s) and are not endorsed by BMJ. BMJ disclaims all liability and responsibility arising from any reliance placed on the content. Where the content includes any translated material, BMJ does not warrant the accuracy and reliability of the translations (including but not limited to local regulations, clinical guidelines, terminology, drug names and drug dosages), and is not responsible for any error and/or omissions arising from translation and adaptation or otherwise.

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