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Protocol for regional implementation of collaborative lung function testing

Background

The potential of forced spirometry (FS) testing for diagnosis, monitoring and management of chronic respiratory patients is well established13 such that FS is a pivotal test in both respiratory medicine and primary care. Moreover, it also shows potential in the informal care scenario: that is, in pharmacy offices for case-finding purposes4,5 and for self-management in selected patients.6,7

We acknowledge that well-designed studies8 have failed to show practical benefits of FS for asthma and COPD diagnosis and management in primary care. However, it has been demonstrated that historical limitations for extensive use of FS in primary care, because of suboptimal quality of testing, can be overcome by off-line remote support by specialised professionals.9,10 Large-scale deployment of this type of setting has generated evidence of cost-effectiveness.11,12

All the above elements13,14 allow us to identify and develop9,1518 the four pivotal components needed for regional deployment in Catalonia (ES; 7.5 million inhabitants) of a collaborative FS program across health-care tiers. The four core components of the FS program are illustrated in Figure 1. The underlying hypothesis is that the proposed FS program facilitates the transference of diagnostic testing from specialised care to non-specialised primary care professionals, which may generate significant health-care efficiencies and provide valuable information on longitudinal changes of lung function either spontaneously or because of interventions.

Figure 1
figure1

Four pivotal components (circles with light-blue background) for regional deployment of the collaborative FS program across health-care tiers. Dotted-line empty circles illustrate underlying health information systems.

The current protocol describes the roadmap for scale-up of the Catalan collaborative FS program based on the existing regional interoperability setting among health-care providers, which has two principal components, namely, (i) the regional shared electronic health-care record19 allowing health information exchange among providers, and (ii) the personal health folder20 that facilitates citizen's accessibility to his/her health-care information.

Aims

The current protocol describes the elements for the deployment of an innovative collaborative FS testing program across health-care tiers in Catalonia. The roadmap for deployment of the FS program has three well-defined actions. The first is implementation of the program in three health-care sectors during the first semester of 2016. Thereafter, deployment of the program throughout the entire Catalan region will be completed by the end of the year. Third, the research is paying specific attention to two distinctive transferability aspects: that is, adaptability of the FS program to sites having different interoperability schemes or no interoperability at all, and generalisation of this type of program to other respiratory (i.e., home-based sleep studies) and non-respiratory (i.e., electrocardiogram) testing modalities. Moreover, the deployment process of the FS program will also cover the needs for data analytics allowing longitudinal assessment of lung function changes with relevant implications in future personalised patient management.21

Methods

The FS program emerges from a series of studies reporting on technological solutions for each of the main components illustrated in Figure 1.9,1618 Their articulated application covers unmet needs for collaborative FS testing. The studies were initiated within the EU project NEXES,22,23 and specific parts of the overall setting have already been successfully evaluated in the Basque Country.11,12

The setting and study design

The current protocol has been designed as part of the regional deployment of integrated care services in Catalonia.22,23 It consists of the two lines of activity ultimately aiming at (i) regional adoption of the FS program and (ii) generalisation of the approach to other areas, as well as to other testing procedures (i.e., home-based sleep studies, electrocardiogram and so on). The research was approved by the Ethical Committee of the Hospital Clínic de Barcelona, and it has been registered at ClinicalTrials.gov Id: NCT02592928.

Program deployment

During the initial 6 months, the protocol will include three health-care sectors: Lleida (366k inhabitants and 22 Primary Care Centers, PCC), Vic (157k inhabitants and 11 PCC) and Atenció Integral en Salut Barcelona-Esquerra (520k inhabitants and 19 PCC, respectively) following a Plan-Do-Study-Act (PDSA) methodology.24 The main purpose of the first PDSA cycle (January–March 2016) including a total of three PCC, one in each health-care sector, is to ensure full functionality of the setting (Figure 1). Immediately thereafter, the FS program will be progressively deployed to all 52 PCC in the three health-care sectors in a second 3-month PDSA cycle that will be completed by mid-2016. FS testing will be prescribed by the attending general practitioner following standard criteria, and it will be carried out by primary care nurses.

The deployment of the program to the entire region (369 PCC) will be completed, with no discontinuation, within 2016. The outcomes of the assessment carried out during each PDSA cycle will contribute to identify key performance indicators (KPI) that are helpful in modulating the long-term assessment strategy of the FS program beyond the deployment phase.

Transferability and data analytics

A relevant line of activity will be devoted to analysis of transferability and proposals for data analytics to be completed in parallel with deployment of the FS program. The transferability analysis will encompass two distinctive areas: (i) identification of deployment strategies for regions with limited or no interoperability architecture at regional level, and (ii) evaluation of the potential for transferring the characteristics of the program to other testing procedures, such as home-based sleep studies and/or electrocardiogram.

Service workflow and ICT support

The section describes the technological support required to cover the four components of the FS program, as depicted in Figure 1: (i) enhanced automatic FS quality assessment; (ii) accessibility to standardised (and quality-labelled) FS testing information across health-care tiers; (iii) generation of an individual FS report including historical results from a given patient; and (iv) clinical decision support systems in the clinical workstation of primary care professionals, facilitating accessibility to the patient FS historical report, as well as access to off-line remote support by specialised professionals, upon request. A high-level description of the proposed logical workflow is presented and described (Supplementary Figure S1) in the online Supplementary Material.

Roadmap for deployment and methodologies for assessment

The current status of the FS program shows a rather mature scenario.25 The deployment process will follow a PDSA methodology24 including iterations with different stakeholders, namely, primary care professionals (nurses, general practitioners), specialised professionals in respiratory medicine (doctors, allied health professionals), equipment manufacturers, information and communication technologists and so on. Regional adoption of the FS program is being stimulated by establishment of financial incentives to health-care providers to foster transfer of standardised FS testing into the shared EHR at the regional level (Supplementary Figure S1, steps 3 and 4). Moreover, the deployment of the FS program is aligned with different innovation initiatives implementing ICT-supported integrated care services in Catalonia. Different pilot experiences22,23 have contributed to identify four sequential milestones described in the online Supplementary Material.

Capacity for generalisation to other diagnostic modalities

The protocol is expected to be the basis for future deployment of collaborative programs for many other respiratory and non-respiratory testing procedures. This is so, because the main components of the FS-specific service workflow and supporting health information systems are conceptually designed to be extrapolated to collaborative scenarios wherein care coordination and telehealth are key features facilitating efficient transfer of diagnostic tools from specialised and community care. For example, the guide for standardisation of spirometry documents (CDA) can be adapted to other diagnostic modalities (i.e., home-based sleep studies, electrocardiogram and so on) after reaching consensus among key opinion leaders and scientific societies for each specific diagnostics area.

Data analytics

The large number of standardised FS documents, including quality certification, stored into the system should open avenues for privacy preserving data mining. For instance, longitudinal evolution of lung function decline21,26 may constitute a key element for enhanced clinical risk assessment and stratification. Moreover, analysis of variability could provide novel approaches for assessment of bronchial hyper-responsiveness. Effects of interventions on longitudinal evolution of lung function results may provide new insights on efficacy of clinical actions.

Discussion

There is evidence that deployment of integrated care services for chronic patients can generate health-care efficiencies22,27 that are partly explained by the transfer of service complexities from specialised care to the community. In this scenario, availability of high-quality testing with a collaborative approach constitutes a relevant component of the chronic care model that fosters optimisation of health-care outcomes.

The current protocol shows the articulation of different technological developments9,1618 carried out and validated in Catalonia during the last years in order to generate a collaborative ecosystem for diagnostic purposes across health-care tiers having FS testing as a use case. The research indicates that the Catalan FS program has high potential for transferability to other geographical areas despite having different interoperability schemes, as well as to other respiratory and non-respiratory testing procedures (see online Supplementary Material). Specifically, the report describes the strategy for scaling up the collaborative service at the regional level. Moreover, the protocol generated a proposal for long-term assessment of adoption of the FS program (Supplementary Table S2), beyond the initial deployment phase.

Expected impact and future developments

Data analytics from the regional deployment of the collaborative FS program may generate immediate positive impacts on several areas, namely, (i) sustained increase of high-quality FS testing in primary care; (ii) collaborative environment across health-care tiers; (iii) enhanced professional development of health professionals; (iv) better diagnostic ascertainment for respiratory diseases; (v) reduction of unnecessary test duplication; and (vi) facilitation of coordinated interactions with FS testing carried out in the informal care scenario: that is, pharmacy offices for COPD case-finding purposes and home-based FS testing in selected patients (i.e., severe asthma refractory to treatment).4,5

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Acknowledgements

FUNDING

Supported by NEXES—Supporting Healthier and Independent Living for Chronic Patients and Elderly (UE grant CIP-ICT-PSP-2007-225025), Inforegió (AGAUR) 2008, FIS PI09/90634; Spanish Government and Catalan Master Plan of Respiratory Diseases (PDMAR). The funders had no role in the study design, data collection and analysis, decision to publish or preparation of the manuscript.

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Correspondence to Felip Burgos.

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Vargas, C., Burgos, F., Cano, I. et al. Protocol for regional implementation of collaborative lung function testing. npj Prim Care Resp Med 26, 16024 (2016). https://doi.org/10.1038/npjpcrm.2016.24

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