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Research problem and specific questions:
Due to lack of resources and an increasingly heavy burden placed on the primary care system, most of heart failure (HF) patients don´t receive a swift follow-up according to guideline recommendations. Our study aims to investigate if a structured and swift follow-up at a dedicated internal medicine HF out-patient clinic (IM-HF)) for older adults with HF post hospital discharge, can improve the quality of life and reduce mortality and re-hospitalization compared to current standard with follow-up within the primary care.
Data and method:
The study will be performed as a prospective, randomized controlled trial (RCT) at two sites. All patients older than 70 years admitted to a ward with new onset or chronic HF will be invited to participate. After discharge, all patients will be invited to a re-visit to the IM-HF within 2 weeks, and will thereafter be randomized to either continued follow-up on-demand at the IM-HF or within the primary care. Outcomes will be self-reported quality of life, number of days alive and out of hospital, time to death or re-hospitalization and adherence to guideline-directed medical therapy. Data collection will be performed by means of nurse-led interviews, blood sampling and review of medical records. By employing a RCT-design with a well-defined population, intervention, control and outcome, this study aims to provide high-quality evidence that could influence clinical practice.
Societal relevance and utilization:
The study is expected to give valuable insight into the effects of early and structured follow-up for older adults with HF and could improve the standard of care and lead to improved quality of life and reduced risks of re-hospitalization and mortality. Through multidisciplinary teams and cooperation with patients associations the study aspires to be evidence based and patient centered. The start-up and implementation of the study is expected during the following years and may have important implications for the care of older adults with HF.
Plan for project realization:
The study aims to start at the IM-HF at two sites in 2025 with a research nurse with a 50% position at each site. About 12 patients fulfilling the inclusion criteria are discharged from the hospital wards each week and we expect an inclusion rate of 4 patients/week. The study is expected to go on for 3.5 years.
Full description
FASTTRACC - Facilitated AccesS To Optimized TReAtment and CliniCal follow-up for elderly patients by the internal medicine heart failure outpatient clinic - a randomized multicenter prospective study
Abbreviations
HF - heart failure, GDMT - guideline directed medical therapy, DAOH - days alive and out-of-hospital, CRT - cardiac resynchronisation therapy, ICD - implantable cardiac defibrillator, IM-HF - internal medicine heart failure outpatient clinic, DIM - department of internal medicine, POCUS - point-of-care ultrasound
Background
Heart failure (HF) among older patients (more than 70 years of age) is one of the most common causes for hospital admission and re-admission.1 It is not only associated with increased mortality exceeding most malignant diseases, but also with a great amount of suffering and low quality of life for the patient, with repeated hospitalizations and inability to perform activities of daily life. HF also exerts a substantial financial burden on the healthcare system mostly driven by the high-rate of re-hospitalizations that accounts for more than 70% of the total HF health care cost.2,3 Thirty-day readmission rates are reported to be as high as 22-25% 4,5 and mortality risk increases for each subsequent readmission.3 Most of these patients are elderly and burdened by several co-morbidities rendering them ineligible for advanced HF treatment such as device therapy (CRT/ICD) or mechanical support. Following hospital discharge, a majority of HF patients are referred to their primary care provider for clinical follow-up and treatment optimization.6 Due to lack of resources and an increasingly heavy burden placed on the primary care system, most of these patients don't receive their follow-up until 1-2 months after hospitalization for an acute episode of HF, at which time many have already been re-admitted to the hospital.7 This practice is not in line with current guidelines that recommend early and frequent follow-up after HF hospitalization following the STRONG-HF trial. STRONG-HF studied an intensive treatment strategy of rapid up-titration of guideline-directed medication therapy (GDMT) and close follow-up after an HF admission and showed reduced symptoms, improved quality of life, and reduced the risk of 180-day all-cause death or HF readmission compared with usual care.8,9 However, as impressive and powerful the effects of the STRONG-HF trial were; the mean age of study participants were 63 years and less than 1700 patients were included from 14 countries and 87 hospitals during more than four years. This can, of course, partly be explained by the COVID-19 pandemic but still raises the question of STRONG-HF's applicability in the everyday real-world clinical setting with an elderly HF-population with multiple co-morbidities who are unlikely to tolerate the aggressive strategy enlisted in STRONG-HF. This creates an evidentiary vacuum for the elderly HF-patients and their response to intensified GDMT that our study intends to fill.
Almost half of all HF re-admissions are estimated to be a result of suboptimal transitional care i.e., the vulnerable phase between discharge from the hospital and initiation and continuity of care in the outpatient setting.10,11
In a Cochrane report from 2017, nurse home visits and disease management clinics (DMC) were the only interventions in transitional care services that showed a reduction in mortality, as well as a reduced rates of re-admission for HF. Furthermore, these services were also shown to reduce health care system costs.12 Adherence to guidelines is therefore affected. The Evolution-HF study by Savarese et al found that less than 25% of discharged HF patients reach the target dose for several established heart failure drugs.13 Even in a specialized setting, the adherence to guidelines has been reported to be even lower.14
Independently, but in consistency with the Evolution-HF study, a dedicated outpatient clinic focused on an early and structured follow-up of patients recently hospitalized for HF was initiated at the Department of Internal Medicine (DIM) Malmö at Skåne University Hospital in early 2024, with the tentative name of internal medicine heart failure outpatient clinic (IM-HF). A similar clinic is already present since 2018 at the affiliated hospital in Lund. The purpose of the IM-HF is to offer all patients hospitalized for an acute episode of HF, regardless of co-morbidities and advanced age, a quick follow-up within 2 weeks of discharge. At this visit, patients will meet with a team of dedicated physicians and nurses to implement and optimize guideline directed medical therapy (GDMT), monitor pertinent laboratory values (e.g., renal function, iron status), evaluation of congestion status, and provide information and education in self-care and lifestyle interventions with the ultimate objective being an increase in HF patients health-related quality of life, as well as a reduction in re-admission rates and mortality risk.
Overall aim This study aims to investigate the efficacy of a structured and prompt follow-up at a dedicated disease management clinic for older patients recently hospitalized for HF. Specifically, we will compare this approach to the current standard of care, which involves unspecified follow-up by the primary care providers.
Methods
4.1 Work plan
4.1.1 Project organization This study will be developed and coordinated from DIM in Malmö. The research team will be led by the main applicants (MO and JM), senior consultants in internal medicine and cardiology, respectively, at Region Skåne/Lund University. 40% of their research time (currently 50% research time of full time). The research group consists of 4 postdoctoral fellows, 1 PhD students and 2 study nurses. A collaboration with the patient organisation Riksförbundet Hjärt-Lung (RHL) will ensure the project's applicability and dissemination of results to a broad demographic outside of the scientific community. A representative from RHL will be invited to management group meetings when aspects of the trial importance, and patient perspective, including aspects with ethical implications, are discussed. FASTTRACC will comply with the EU regulation 536/2014 on clinical trials.
4.1.2 Study design This study is designed as a multicenter prospective randomised study. Two sites; the IM-HF in Malmö and in Lund, will participate in the study.
4.2 Study population: Patients ≥70 years hospitalized at the departments of internal medicine or cardiology in Malmö and Lund due to worsening symptoms of HF (both new-onset and chronic).
Inclusion criteria:
Exclusion criteria:
4.3 Intervention: Patients will be invited to a visit within 2 weeks after hospitalization. During this visit, they will undergo a comprehensive evaluation by a team of dedicated physicians and nurses. This includes implementing and optimizing GDMT, monitoring laboratory values, assessing congestion status, and providing education on self-care and lifestyle interventions. After a visit at IM-HF, patients will be randomized to either further follow-up on demand based on patients' clinical needs and need for further optimization of GDMT at the IM-HF during the following 6 months (interventional group) or standard of care in the primary care setting with a written referral to the primary care provider with recommendations of a structured medical optimization with scheduled visits at their discretion (control group). Both groups will be followed by phone interview by a study nurse as well as a written referral with blood samples at 1-, 3- and 6-months. Randomization will be performed in balanced blocks of fixed size. Patients will be randomized in the designated randomization module in the REDCap Electronic Data Capture system.
4.4 Endpoints
Primary endpoints:
Secondary endpoints:
Exploratory endpoints:
4.5.1 Data collection
Vital parameters and anthropometric measurements will be collected on site at inclusion and at the first re-visit. At follow-up at 1-, 3- and 6-months, vital parameters will be registered by means of self-monitoring. All patients will be offered the possibility of self-monitoring by using "Digital Hands" (Siemens Healthineers). Cognitive function will be assessed by Montreal Cognitive Assessment at study enrolment. Point-of-care-ultrasound (POCUS) will be carried out where appropriate. Blood samples collected will be stored in a biobank. An application to Kvalitetsregister, vårddatabaser och beredning (KVB) will be submitted and thereafter background medical history including echocardiography or POCUS will be obtained through chart review of electronic medical records (Melior, Siemens). Mortality will be assessed through the Causes of Death Registry and rehospitalisation will be assessed through the National Patient Registry. DAOH will be calculated based on mortality and rehospitalization data. KCCQ, GDMT and blood samples will be assessed at 1-,3- and 6-month follow-up. Blood samples will be analysed for iron status, changes in renal function and in NT-proBNP-levels, and at a later stage also for proteomics and metabolomics.
4.5.2 Chart review at baseline:
Patients fulfilling the inclusion/exclusion criteria will be subjected to manual chart review, which will be done consecutively. Baseline will be the date of discharge from hospital. The chart review will be performed according to prespecified definitions, and the following data will be collected:
• Age at baseline
• Sex
Length in centimeters (may be retrieved from earlier hospitalizations)
Weight in kilograms at discharge (as close to baseline as possible, ±3 weeks is acceptable)
Body mass index (derived from length and weight)
Comorbidities (Admission and Discharge notes will be scrutinized, any mentioning or ICD-10 code will be noted, results as yes/no)
Functional impairment - none / home care / nursing home
Clinical frailty scale (derived from chart review)
Chronic cognitive impairment
Echocardiography
If no echocardiography available, has cardiac POCUS been performed (yes/no)? If yes:
What was the estimated ejection fraction? Mildly, moderately or severely reduced?
Heart failure with preserved ejection fraction (HFpEF)?
Right ventricular failure?
NT-proBNP, iron status and renal function at discharge
Ceiling of care decision
4.5 Laboratory analysis
Blood samples will be drawn at inclusion, at the re-visit to the IM-HF and at 1-, 3- and 6-month follow-up and will then be stored in a biobank. When further funding has been secured, analysis of proteomics and metabolomics is planned.
4.6 Statistical analysis
Cox proportional hazards regression models will be used to estimate hazard ratios and 95% confidence intervals (CIs) for the intervention effect on time to mortality or re-hospitalization, adjusting for potential confounders. The proportional hazards assumption will be assessed using graphical methods and statistical tests. Subgroup analyses will be conducted to explore potential effect modification by relevant covariates, such as age, sex, baseline ejection fraction, or comorbidities. Interaction tests will be performed to assess the significance of intervention-covariate interactions.
4.6.1 Estimated sample size and power
The adjusted sample size per group was calculated to 257 participants per arm (total n=514), based on an assumed effect size of 0.2, an alpha level of 0.05, and a power of 80%. This calculation accounts for a non-responder rate of 10% and a drop-out rate of 20%.
4.7 Time plan
Assuming a weekly inclusion rate of n=4 (2 participants per site and week) the study duration is estimated to be 2.5 years, with an additional one year of follow-up.
Preparation phase (0-3 months) - Month 1-2: Application to the ethics review board. Registration of the trial at ClinicalTrials.gov. Development and testing of data collection tools (RedCap).
Inclusion/intervention phase (4-30 months)
Data collection and analysis phase (4-48 months)
5.0 Ethical considerations
Approval from the Swedish Ethical Review Authority was received on the 14th of August 2024. The study will comply with the Helsinki Declaration of Ethical Research. Informed consent will be obtained from all participants, providing comprehensive information about the study´s purpose, procedures, risks, and benefits, and affirming participants right to withdraw without repercussions. A thorough risk-benefit assessment will be conducted to evaluate potential harms and benefits. Maintaining equipoise will be emphasized, ensuring unbiased treatment allocation and avoiding coercion toward a particular study arm. Data integrity and confidentiality will be upheld through secure storage (RedCap) and adherence to ethical guidelines for data management.
6.0 Feasibility
The existing healthcare infrastructure´s capacity to accommodate the study requirements is deemed satisfactory. Also, the ability to recruit and enroll eligible participants within the specified timeframe is considered to be satisfactory given that approximately 14 patients per week are discharged from the internal medicine wards in Malmö and Lund. This suggests that even a modest attendance rate of 28% would meet the requirements for recruitment adequately. However, we anticipate a higher attendance rate due to the potential self-perceived benefits for the patients involved. Loss to follow-up is considered insignificant for the hard endpoints of mortality and hospitalization, given the extensive accuracy and coverage provided by the Swedish registers pertaining to these outcomes. Patient adherence to the assigned follow-up protocol will be monitored at visits and via phone interviews by study nurses. For other outcomes, such as self-reported health-related quality of life and adherence to GDMT, we presume that conducting phone interviews offers a viable alternative to in-clinic visits for this particularly fragile cohort, thereby mitigating inconvenience.
7.0 Clinical perspectives
Rehospitalizations and low self-reported quality of life are common among patients with heart failure. In this study, we focus on the group of older adults (≥70 years) that have been discharged after hospitalization for heart failure, and that otherwise would have been referred to their primary care physician for follow up. In this vulnerable group, we aim to investigate whether follow-up visits in close proximity to a HF hospitalization at a designated medical clinic can improve the health-related quality of life, as well as reduce rehospitalization and mortality rates.
Sex
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Volunteers
Inclusion criteria
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Primary purpose
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0 participants in 2 patient groups
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Data sourced from clinicaltrials.gov
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