Effect of a psychoeducational intervention on depression, anxiety, and health resource use in implantable cardioverter defibrillator patients

Perceived benefits of patient support groups and their format for people with an implantable cardioverter defibrillator

BACKGROUND

Support groups for people with Implantable Cardioverter Defibrillators (ICDs) are widely used, however, it is not clear what people with ICDs gain from a support group or what format they should take.

OBJECTIVES

The aim of the present study is to define the perceived benefit of ICD support groups and develop practical recommendations for group format.

METHODS

14 individuals with ICDs were interviewed using a semi-structured interview guide. Reflexive thematic analysis methods were utilised to code and analyse the transcripts before generating themes.

RESULTS

Four themes were defined: confronting mortality, coping through sharing, coping through learning, and providing space. Making connections with other people with ICDs, reassurance, access to information, and advice from health care professionals were important perceived benefits of the support group.

CONCLUSION

People with ICDs may have to confront their own mortality and adapt to considerable life changes after implant. The findings from the present study have improved understanding of how support groups are perceived and how ICD indication and group format influence the experience. A blended format of in-person community meetings, online forums, HCP-led education and space for person-person interaction is recommended. Importantly, provision of support should not be time-limited to allow people to access it when it most likely to be of benefit to them.

Severity of Brugada syndrome disease manifestation and risk of new-onset depression or anxiety: a Danish nationwide study

AIMS

Reduced psychological health is associated with adverse patient outcomes and higher mortality. We aimed to examine if a Brugada syndrome (BrS) diagnosis and symptomatic disease presentation were associated with an increased risk of new-onset depression or anxiety and all-cause mortality.

METHODS AND RESULTS

All Danish patients diagnosed with BrS (2006-2018) with no history of psychiatric disease and available for ≥6 months follow-up were identified using nationwide registries and followed for up to 5 years after diagnosis. The development of clinical depression or anxiety was evaluated using the prescription of medication and diagnosis codes. Factors associated with developing new-onset depression or anxiety were determined using a multivariate Cox proportional hazards regression model. Disease manifestation was categorized as symptomatic (aborted cardiac arrest, ventricular tachycardia, or syncope) or asymptomatic/unspecified at diagnosis. A total of 223 patients with BrS and no history of psychiatric disease were identified (72.6% male, median age at diagnosis 46 years, 45.3% symptomatic). Of these, 15.7% (35/223) developed new-onset depression or anxiety after BrS diagnosis (median follow-up 5.0 years). A greater proportion of symptomatic patients developed new-onset depression or anxiety compared with asymptomatic patients [21/101 (20.8%) and 14/122 (11.5%), respectively, P = 0.08]. Symptomatic disease presentation (HR 3.43, 1.46-8.05) and older age (lower vs. upper tertile: HR 4.41, 1.42-13.63) were significantly associated with new-onset depression or anxiety. All-cause mortality in this group of patients treated according to guidelines was low (n = 4, 1.8%); however, 3/4 developed depression or anxiety before death.

CONCLUSION

Approximately, one-sixth of patients with BrS developed new-onset depression or anxiety following a diagnosis of BrS. Symptomatic BrS disease manifestation was significantly associated with new-onset depression or anxiety.

Benefits of support groups for patients living with implantable cardioverter defibrillators: a mixed-methods systematic review and meta-analysis

BACKGROUND

Patients with implantable cardioverter defibrillators (ICD) experience anxiety, depression and reduced quality of life (QoL).

OBJECTIVES

This mixed-methods systematic review evaluates whether ICD support groups have a beneficial effect on mental well-being.

METHODS

Literature searches were carried out in MEDLINE, Embase, CINAHL, PsycINFO and Web of Science. Eligible studies investigated patient-led support groups for ICD patients aged 18 years or older, using any quantitative or qualitative design. The Mixed-Methods Assessment Tool was used to assess quality. Meta-analysis of measures of mental well-being was conducted. Thematic synthesis was used to generate analytic themes from the qualitative data. The data were integrated and presented using the Pillar Integration Process.

RESULTS

Ten studies were included in this review. All studies bar one were non-randomised or had a qualitative design and patients had self-selected to attend a support group. Five contributed to the quantitative data synthesis and seven to the qualitative synthesis. Meta-analysis of anxiety and QoL measures showed no significant impact of support groups on mental well-being, but qualitative data showed that patients perceived benefit from attendance through sharing experiences and acceptance of life with an ICD.

DISCUSSION

ICD support group attendance improved the patients' perceived well-being. Attendees value the opportunity to share their experiences which helps to accept their new life with an ICD. Future research could consider outcomes such as patient acceptance and the role of healthcare professionals at support groups.

Patients' knowledge and concerns about using the implantable cardioverter defibrillator for the primary prevention of sudden cardiac death and its correlates: A cross‐sectional study

Background and Aims

Methods

Results

Conclusion

Psychosocial symptoms of ventricular arrhythmias: Integrating patient-reported outcomes into clinical care

Patient-reported outcome measures (PROMs) are a valuable metric for assessing the quality of life and overall well-being in patients with ventricular arrhythmias (VAs) and/or implantable cardioverter-defibrillators (ICDs). The incorporation of PROMs into the workflow of a VA clinic not only allows for more patient-centered care but also may improve detection and treatment of clinically relevant anxiety or depression symptoms. Awareness of the factors known to correlate with adverse PROM scores may guide PROM administration and subsequent referral to mental health services. Further, change or stability in PROM scores can be used as a gauge to guide the effectiveness of cardiac and psychological treatment in certain populations that are the focus of this manuscript: patients with ICDs (with and without shocks), cardiac arrest survivors, and those with inherited arrhythmia syndromes.

Intervention mediating effects of self-efficacy on patient physical and psychological health following ICD implantation

This study examined mechanisms by which social cognitive theory (SCT) interventions influence health outcomes and the importance of involving partners in recovery following the patients' receipt of an initial implantable cardioverter defibrillator (ICD). We compared direct and indirect intervention effects on patient health outcomes with data from a randomized clinical trial involving two telephone-based interventions delivered during the first 3 months post-ICD implant by experienced trained nurses: P-only conducted only with patients, and P + P conducted with patients and their intimate partners. Each intervention included the patient-focused component. P + P also included a partner-focused intervention component. ICD-specific SCT-derived mediators included self-efficacy expectations, outcome expectations, self-management behavior, and ICD knowledge. Outcomes were assessed at discharge, 3- and 12-months post ICD implant. Patients (N = 301) were primarily Caucasian, male, 64 (± 11.9) years of age with a mean ejection fraction of 34.08 (± 14.3). Intervention effects, mediated through ICD-specific self-efficacy and outcome expectations, were stronger for P + P compared to P-only for physical function (β = 0.04, p = 0.04; β = 0.02, p = 0.04, respectively) and for psychological adjustment (β = 0.06, p = 0.04; β = 0.03, p = 0.04, respectively). SCT interventions show promise for improving ICD patient physical and psychological health outcomes through self-efficacy and outcome expectations. Including partners in post-ICD interventions may potentiate positive outcomes for patients.Trial registration number (TRN): NCT01252615 (Registration date: 12/02/2010).

Group Therapy for Patients With Medical Illness

This article aims to review the expanding role of group psychotherapy in the treatment of individuals with medical illnesses, an area that has expanded dramatically during the past 30 years. The fundamental principles of adaptation of group therapies for specialized clinical populations are articulated. Clarity of goals and thoughtful alignment with patient interests and needs are at the heart of building a strong therapeutic alliance and potentiate the effectiveness of group therapy. This article also discusses the conceptual underpinnings of group therapies and the ways in which group therapeutic factors gain expression with these clinical populations. This article also focuses on breast cancer, in light of its clinical prominence and the development of group therapies for individuals with the disease. These therapies address clinical concerns for women along the continuum of the disease, including familial and genetic predisposition, primary breast cancer, adaptation to illness and its treatment, metastatic disease, and dealing with mortal illness.

Anxiety, depression, ventricular arrhythmias and mortality in patients with an implantable cardioverter defibrillator: 7 years' follow-up of the MIDAS cohort

OBJECTIVE

To examine whether anxiety and depression at time of implantation of an implantable cardioverter defibrillator (ICD) is associated with ventricular arrhythmias (VAs) and mortality 7 years later.

METHODS

A cohort of 399 patients (80% men; mean (SD) age = 58.3 (12.2)) implanted with an ICD completed the Hospital Anxiety and Depression Scale (HADS) and the State-Trait Anxiety Inventory at time of implantation. Patients were followed up for VAs and mortality at 7 years.

RESULTS

At 7-years follow-up, 34% of the patients had died and 38% had experienced VAs. Baseline depression (score ≥ 8) (HR:2.10; 95% CI:1.44-3.05, p < 0.001) was associated with 7-year mortality in adjusted analyses while state anxiety (score ≥ 40) (HR:1.45; 95% CI:1.02-2.06, p = 0.039) and trait anxiety (score ≥ 40) (HR:1.51; 95% CI:1.06-2.16, p = 0.022) showed a trend towards an association with mortality. No association was found between VAs and anxiety and depression. There was a dose-response relationship with higher burden of anxiety (HR:2.13; 95% CI:1.31-3.46, p = 0.002) and depression (HR:2.13; 95% CI:1.33-3.42, p = 0.002) measured with the HADS (scores < 8, 8-10 and > 10) being associated with an increased risk of mortality.

CONCLUSION

Patients with depression had greater risk of mortality, whereas anxiety only showed a trend. Neither anxiety nor depression was associated with VAs during follow-up.

Social cognitive intervention following an initial implantable cardioverter defibrillator: Better treatment response for secondary versus primary prevention

BACKGROUND

The patient + partner (P+P) is a patient/partner-focused social cognitive intervention with demonstrated efficacy to improve outcomes following an initial implantable cardioverter defibrillator (ICD). Little is known about how the patient response may differ by ICD implant indication. The aim of this study was to examine the response to intervention for patients with an initial ICD by reasons for primary versus secondary ICD indication.

METHOD

A longitudinal secondary analysis of data from a randomized clinical trial testing the P+P intervention examined patient health outcomes over 12 months, stratified by the indication for the ICD: primary prevention without cardiac resynchronization therapy (CRT) (1^o No CRT, n = 100), primary prevention with CRT (1^o CRT, n = 78), secondary prevention after cardiac arrest (2° Cardiac Arrest, n = 66), and secondary prevention for other arrhythmias (2^o Other, n = 57). Outcomes included physical and mental health status (Short-Form-36 Physical Component Summary and Mental Component Summary), physical symptoms (Patient Concerns Assessment), depression (Patient-Health-Questionniare-9), and anxiety (State-Trait Anxiety Inventory).

RESULTS

Participants (n = 301) were on average 64 years old, primarily male (73.7%) and Caucasian (91%) with reduced ejection fraction (34%). There were no baseline differences between ICD groups for all outcomes (P > .05). Patients in the 2° Cardiac Arrest group showed greater improvement from baseline to 3 months in physical and mental health outcomes. The 2° Cardiac Arrest group had better physical (F = 11.48, P = .004) and mental health (F = 4.34, P = .038) and less severe physical (z = 2.24, P = 0.013) and depressive symptoms (z = 2.71, P = .003) at 12 months compared to the 1^o No CRT group.

CONCLUSION

The P+P intervention was more effective for promoting physical and psychological health outcomes for individuals receiving an ICD for 2^o prevention after cardiac arrest.

How Patient Perceptions Shape Responses and Outcomes in Inherited Cardiac Conditions

At least one-third of adults living with an inherited cardiac condition report clinically-significant levels of psychological distress. Poorer health-related quality of life compared with population norms is also consistently reported. These outcomes are associated with younger patient age, having an implantable cardioverter defibrillator, and receipt of uncertain clinical test results, and can influence self-management behaviours, such as adherence to potentially critical life-preserving medications. According to the Common Sense Model of Illness, people use information from multiple sources to 'make sense' of their health condition, and how they conceptualise the condition can strongly influence adaptation and coping responses. Previous studies with people with inherited cardiac conditions show that illness perceptions, such as greater perceived consequences and a poorer understanding of the condition, are associated with greater psychological distress and poorer adherence to medication. The Common Sense Model provides one potential framework for identifying patients who may be more vulnerable to adverse health outcomes, and for developing early interventions to reduce the physical and psychosocial burden of these conditions. Interventions based on the Common Sense Model have successfully improved physical and psychosocial outcomes associated with other cardiac conditions, and could be tailored for use with patients with an inherited cardiac condition (ICC).

Prevalence of anxiety and risk associated with ventricular arrhythmia in patients with an implantable cardioverter defibrillator

BACKGROUND

Anxiety has been associated with adverse clinical outcomes in patients who have received an implantable cardioverter defibrillator (ICD). However, results are inconclusive likely due to different measures being used to assess anxiety. Hence, the current study aims to examine the prevalence and the association between anxiety, ventricular tachyarrhythmia's (VTa's) and all-cause mortality, respectively.

METHODS

Patients who received an ICD for the first time were recruited from 6 Dutch referral hospitals as part of the WEBCARE trial. Patients filled in validated questionnaires (GAD-7, STAI-S, HADS-A, ANX4, ICDC, FSAS) to assess their baseline anxiety symptomatology. Logistic regression analysis and Cox Regression analysis were performed to examine the association between anxiety with 1) VTa's and 2) mortality, respectively.

RESULTS

A total of 214 Patients were included in the analysis with mean age 58.9 and 82.7% being male. The prevalence rates of anxiety varied depending on which questionnaire was used 12.4% (GAD-7), 17.5% (HADS-A), and 28.1% (STAI-S). (Cox) Regression analysis revealed that none of the anxiety measures was associated with VTa's or all-cause mortality in the current sample. Stratifying the sample by gender, the analysis showed that GAD-7, STAI-S, and ANX4 scores were associated with increased risk of VTa's but only in male patients.

CONCLUSIONS

Prevalence rates of anxiety varied depending on the measurement tool used. No significant association between anxiety and VTa's and all-cause mortality was observed in the total sample. GAD-7, STAI-S, and ANX4 were associated with increased risk for VTa's but only in male patients.

Psychological Disorders in Heart Failure

The occurrence of depression, anxiety, and insomnia is strikingly high in patients with heart failure and is linked to increased morbidity and mortality. However, symptoms are frequently unrecognized and the integration of mental health into cardiology care plans is not routine. This article describes the prevalence, identification, and treatment of common comorbid psychological disorders.

The Cognitive Impact of Chronic Diseases on Functional Capacity in Community-Dwelling Adults

Background:

People with chronic diseases may experience poor cognitive functioning associated with advanced age, progression of disease, or other comorbid chronic conditions. Empirical evidence of this phenomenon is limited despite the clinical relevance of cognitive decline and associated adverse outcomes such as poor physical functioning.

Purpose:

The purpose of this study was to examine cognitive functioning in the domains of memory, attention, and executive function and its association with functional capacity in a sample of community-dwelling adults with a spectrum of chronic diseases.

Methods:

An exploratory cross-sectional study was conducted in a sample of community-dwelling adults with chronic diseases, including hypertension (58.9%), diabetes mellitus (DM; 20.0%), and dyslipidemia (14.4%). Participants’ mean age was 64.1 ± 11.2 years, and 48.9% were male. Ninety persons completed the face-to-face interviews, which evaluated cognitive functioning in the domains of memory, attention, and executive function using neuropsychological tests and the physical well-being test, which measured functional capacity using the Duke Activity Status Index.

Results:

Compared with those with other chronic diseases, our sample with hypertension and DM had significantly more memory loss and poorer executive function. These significant differences were nullified when adjusting for age, gender, and education. Approximately one third had functional limitations (n = 29, 32.2%), using a cutoff point of 35 or less (Duke Activity Status Index). Memory loss (delayed recall, b = 1.5, p = .016) and poor executive function (Trail Making Test Part A, b = −0.2, p < .001) were predicting factors of functional decline, independent of age, gender, education, and comorbidity.

Conclusions/Implications for Practice:

Cognitive function, particularly memory and executive function, was poorer among chronically ill Korean adults in the community with hypertension or DM than their counterparts. Functional decline was worse in the presence of memory loss and poor executive function. Studies examining the mechanism by which overall functioning is impacted by cognitive decline and its relevance to functional declines in a larger representative sample are warranted.

Anxiety, depression and quality of life in acute high risk cardiac disease patients eligible for wearable cardioverter defibrillator: Results from the prospective multicenter CRED-registry

BACKGROUND

Psychological distress is common in patients with cardiovascular disease and negatively impacts outcome.

HYPOTHESIS

Psychological distress is high in acute high risk cardiac patients eligible for a WCD, and associated with low quality of life. Distress is aggravated by WCD.

METHODS

Consecutive patients eligible for a WCD were included in the prospective, multicenter "Cologne Registry of External Defibrillator" registry. Quality of life (Short Form-12), depressive symptoms (Beck-Depression Inventory II) and anxiety (State Trait Anxiety Inventory) were assessed at enrollment and 6-weeks, and associations with WCD prescription were analyzed.

RESULTS

123 patients (mean [SD] age 59 [± 14] years, 75% male) were included, 85 (69%) of whom received a WCD. At enrollment 21% showed clinically significant depressive symptoms and 52% anxiety symptoms, respectively. At 6 weeks, depressive and anxious symptoms significantly decreased to 7% and 25%, respectively. Depressive symptoms at enrollment and changes at 6 weeks showed significant associations with health-related quality of life, whereas anxious symptoms did not. There was a trend for better improvement of depression scores in patients with WCD (mean [SD] change in score points: -4.1 [6.1] vs -1.8 [3.9]; p = 0.09), whereas change of the anxiousness score was not different (-4.6 [9.5]) vs -3.7 [9.1], p = 0.68).

CONCLUSION

In patients eligible for a WCD, depressive and anxiety symptoms were initially common and depressive symptoms showed a strong association with reduced health-related quality of life contributing to their clinical relevance. WCD recipients showed at least similar improvement of depression and anxiety at 6 weeks when compared to non recipients.

Exercise-based cardiac rehabilitation for adult patients with an implantable cardioverter defibrillator

BACKGROUND

An effective way of preventing sudden cardiac death is the use of an implantable cardioverter defibrillator (ICD). In spite of the potential mortality benefits of receiving an ICD device, psychological problems experienced by patients after receiving an ICD may negatively impact their health-related quality of life, and lead to increased readmission to hospital and healthcare needs, loss of productivity and employment earnings, and increased morbidity and mortality. Evidence from other heart conditions suggests that cardiac rehabilitation should consist of both exercise training and psychoeducational interventions; such rehabilitation may benefit patients with an ICD. Prior systematic reviews of cardiac rehabilitation have excluded participants with an ICD. A systematic review was therefore conducted to assess the evidence for the use of exercise-based intervention programmes following implantation of an ICD.

OBJECTIVES

To assess the benefits and harms of exercise-based cardiac rehabilitation programmes (exercise-based interventions alone or in combination with psychoeducational components) compared with control (group of no intervention, treatment as usual or another rehabilitation programme with no physical exercise element) in adults with an ICD.

SEARCH METHODS

We searched CENTRAL, MEDLINE, Embase and four other databases on 30 August 2018 and three trials registers on 14 November 2017. We also undertook reference checking, citation searching and contacted study authors for missing data.

SELECTION CRITERIA

We included randomised controlled trials (RCTs) if they investigated exercise-based cardiac rehabilitation interventions compared with no intervention, treatment as usual or another rehabilitation programme. The trial participants were adults (aged 18 years or older), who had been treated with an ICD regardless of type or indication.

DATA COLLECTION AND ANALYSIS

Two review authors independently extracted data and assessed risk of bias. The primary outcomes were all-cause mortality, serious adverse events and health-related quality of life. The secondary outcomes were exercise capacity, antitachycardia pacing, shock, non-serious adverse events, employment or loss of employment and costs and cost-effectiveness. Risk of systematic errors (bias) was assessed by evaluation of predefined bias risk domains. Clinical and statistical heterogeneity were assessed. Meta-analyses were undertaken using both fixed-effect and random-effects models. We used the GRADE approach to assess the quality of evidence.

MAIN RESULTS

We identified eight trials published from 2004 to 2017 randomising a total of 1730 participants, with mean intervention duration of 12 weeks. All eight trials were judged to be at overall high risk of bias and effect estimates are reported at the end of the intervention with a follow-up range of eight to 24 weeks.Seven trials reported all-cause mortality, but deaths only occurred in one trial with no evidence of a difference between exercise-based cardiac rehabilitation and control (risk ratio (RR) 1.96, 95% confidence interval (CI) 0.18 to 21.26; participants = 196; trials = 1; quality of evidence: low). There was also no evidence of a difference in serious adverse events between exercise-based cardiac rehabilitation and control (RR 1.05, 95% CI 0.77 to 1.44; participants = 356; trials = 2; quality of evidence: low). Due to the variation in reporting of health-related quality of life outcomes, it was not possible to pool data. However, the five trials reporting health-related quality of life at the end of the intervention, each showed little or no evidence of a difference between exercise-based cardiac rehabilitation and control.For secondary outcomes, there was evidence of a higher pooled exercise capacity (peak VO₂) at the end of the intervention (mean difference (MD) 0.91 mL/kg/min, 95% CI 0.60 to 1.21; participants = 1485; trials = 7; quality of evidence: very low) favouring exercise-based cardiac rehabilitation, albeit there was evidence of substantial statistical heterogeneity (I² = 78%). There was no evidence of a difference in the risk of requiring antitachycardia pacing (RR 1.26, 95% CI 0.84 to 1.90; participants = 356; trials = 2; quality of evidence: moderate), appropriate shock (RR 0.56, 95% CI 0.20 to 1.58; participants = 428; studies = 3; quality of evidence: low) or inappropriate shock (RR 0.60, 95% CI 0.10 to 3.51; participants = 160; studies = 1; quality of evidence: moderate).

AUTHORS' CONCLUSIONS

Due to a lack of evidence, we were unable to definitively assess the impact of exercise-based cardiac rehabilitation on all-cause mortality, serious adverse events and health-related quality of life in adults with an ICD. However, our findings do provide very low-quality evidence that patients following exercise-based cardiac rehabilitation experience a higher exercise capacity compared with the no exercise control. Further high-quality randomised trials are needed in order to assess the impact of exercise-based cardiac rehabilitation in this population on all-cause mortality, serious adverse events, health-related quality of life, antitachycardia pacing and shock.

The Capture Gap: Implantable Cardioverter-Defibrillator Quality of Life

We aimed to compare salient characteristics and antecedents of quality of life (QOL) in adolescents and young adults with implantable cardioverter-defibrillators (ICDs) from qualitative methods with quantitative measurement of QOL and correlations between QOL (PedsQL) and measured participant characteristics. Concurrent parallel mixed methods design was used to collect survey data from the PedsQL electronic health record, demographic questionnaire, and semistructured interview data. A convenience sample of 16 individuals with ICDs, aged 13 to 25 years, was obtained from a tertiary pediatric facility. Overall QOL and subdomains of physical, psychosocial, and academic/work were examined by PedsQL and visual analog scale. Select demographics were collected to develop a participant profile. Females with ICDs appear to be at risk of poor QOL given some unknown factors. Financial status of the individual and the family was positively related to QOL. For new ICD persons involved in physical activities that must be stopped, peer support appears to improve QOL.

How Do Patients Understand Safety for Cardiac Implantable Devices? Importance of Postintervention Education

Aim

This study was designed to assess the effect of patient education on the knowledge of safety and awareness about living with cardiac implantable electronic devices (CIEDs) within the context of phase I cardiac rehabilitation.

Methods

The study was conducted with 28 newly implanted CIED patients who were included in “education group (EG)”. Patients were questioned with a survey about living with CIEDs and electromagnetic interference (EMI) before and 1 month after an extensive constructed interview. Ninety-three patients who had been living with CIEDs were included in the “without education group (woEG)”.

Results

Patients in EG had improved awareness on topics related to physical and daily life activities including work, driving, sports and sexual activities, EMI of household items, harmful equipment, and some of the medical devices in the hospital setting (p<0.05). Patients in EG gave significantly different percent of correct answers for doing exercise or sports, using the arm on the side of CIEDs, EMI of some of the household appliances, medical devices, and all of the harmful equipment compared to woEG (p<0.05).

Conclusion

It was demonstrated that a constructed education interview on safety of CIEDs and living with these devices within the context of phase I cardiac rehabilitation is important for improving the awareness of patients significantly. Thus, patients might achieve a faster adaptation to daily life and decrease disinformation and misperceptions and thus promote the quality of life after the device implantation.

Psychometric Testing of the Emotional Responses Post Implantable Cardioverter Defibrillator Scale

BACKGROUND AND PURPOSE

The implantable cardioverter (ICD) is the mainstay of treatment for patients at risk for and those who have had life threatening arrhythmias. The negative emotional responses are important for clinicians to identify. The purpose of this study was to develop and evaluate the psychometric properties of The Emotional Responses Post Implantable Cardioverter Defibrillator Scale among patients with ICD.

METHODS

This study was completed in phases; content validity, construct validity, internal consistency, reliability of the instrument and test-retest reliability.

RESULTS

The 3 factors are Factor 1, Depressive Symptoms; Factor 2, Anxiety Symptoms; and Factor 3, Fear of the Device. The overall coefficient for the total set of items was .85. Coefficients of the three factors ranged from .80 to .85.

CONCLUSION

This study provides evidence to support the content, construct validity, and reliability of this scale.

Impact of the implantable cardioverter defibrillator on confidence to undertake physical activity in inherited heart disease: A cross-sectional study

BACKGROUND

Physical activity is associated with improved quality of life. Patients with an implantable cardioverter defibrillator (ICD) face unique clinical and psychological challenges. Factors such as fear of ICD shock may negatively impact on physical activity, while a sense of protection gained from the ICD may instil confidence to be active.

AIM

We aimed to examine the impact of an ICD on physical activity levels and factors associated with amount of activity.

METHODS

Two cross-sectional studies were conducted. Accelerometer data (seven-day) was collected in March-November 2015 for 63 consecutively recruited hypertrophic cardiomyopathy patients, with or without an ICD, aged ⩾18 years. A survey study was conducted in July-August 2016 of 155 individuals aged ⩾18 years with an inherited heart disease and an ICD in situ.

RESULTS

Based on the International Physical Activity Questionnaire, mean leisure time physical activity was 239 ± 300 min/week with 51% meeting physical activity guidelines. Accelerometry showed that mean moderate-vigorous physical activity was the same for patients with and without an ICD (254 ± 139 min/week versus 300 ± 150 min/week, p=0.23). Nearly half of survey participants ( n=73) said their device made them more confident to exercise. Being anxious about ICD shocks was the only factor associated with not meeting physical activity guidelines.

CONCLUSIONS

Patients with inherited heart disease adjust differently to their ICD device, and for many it has no impact on physical activity. Discussion regarding the appropriate level of physical activity and potential barriers will ensure best possible outcomes in this unique patient group.

Psychological interventions for coronary heart disease

BACKGROUND

Coronary heart disease (CHD) is the most common cause of death globally, although mortality rates are falling. Psychological symptoms are prevalent for people with CHD, and many psychological treatments are offered following cardiac events or procedures with the aim of improving health and outcomes. This is an update of a Cochrane systematic review previously published in 2011.

OBJECTIVES

To assess the effectiveness of psychological interventions (alone or with cardiac rehabilitation) compared with usual care (including cardiac rehabilitation where available) for people with CHD on total mortality and cardiac mortality; cardiac morbidity; and participant-reported psychological outcomes of levels of depression, anxiety, and stress; and to explore potential study-level predictors of the effectiveness of psychological interventions in this population.

SEARCH METHODS

We updated the previous Cochrane Review searches by searching the following databases on 27 April 2016: CENTRAL in the Cochrane Library, MEDLINE (Ovid), Embase (Ovid), PsycINFO (Ovid), and CINAHL (EBSCO).

SELECTION CRITERIA

We included randomised controlled trials (RCTs) of psychological interventions compared to usual care, administered by trained staff, and delivered to adults with a specific diagnosis of CHD. We selected only studies estimating the independent effect of the psychological component, and with a minimum follow-up of six months. The study population comprised of adults after: a myocardial infarction (MI), a revascularisation procedure (coronary artery bypass graft (CABG) or percutaneous coronary intervention (PCI)), and adults with angina or angiographically defined coronary artery disease (CAD). RCTs had to report at least one of the following outcomes: mortality (total- or cardiac-related); cardiac morbidity (MI, revascularisation procedures); or participant-reported levels of depression, anxiety, or stress.

DATA COLLECTION AND ANALYSIS

Two review authors independently screened titles and abstracts of all references for eligibility. A lead review author extracted study data, which a second review author checked. We contacted study authors to obtain missing information.

MAIN RESULTS

This review included 35 studies which randomised 10,703 people with CHD (14 trials and 2577 participants added to this update). The population included mainly men (median 77.0%) and people post-MI (mean 65.7%) or after undergoing a revascularisation procedure (mean 27.4%). The mean age of participants within trials ranged from 53 to 67 years. Overall trial reporting was poor, with around a half omitting descriptions of randomisation sequence generation, allocation concealment procedures, or the blinding of outcome assessments. The length of follow-up ranged from six months to 10.7 years (median 12 months). Most studies (23/35) evaluated multifactorial interventions, which included therapies with multiple therapeutic components. Ten studies examined psychological interventions targeted at people with a confirmed psychopathology at baseline and two trials recruited people with a psychopathology or another selecting criterion (or both). Of the remaining 23 trials, nine studies recruited unselected participants from cardiac populations reporting some level of psychopathology (3.8% to 53% with depressive symptoms, 32% to 53% with anxiety), 10 studies did not report these characteristics, and only three studies excluded people with psychopathology.Moderate quality evidence showed no risk reduction for total mortality (risk ratio (RR) 0.90, 95% confidence interval (CI) 0.77 to 1.05; participants = 7776; studies = 23) or revascularisation procedures (RR 0.94, 95% CI 0.81 to 1.11) with psychological therapies compared to usual care. Low quality evidence found no risk reduction for non-fatal MI (RR 0.82, 95% CI 0.64 to 1.05), although there was a 21% reduction in cardiac mortality (RR 0.79, 95% CI 0.63 to 0.98). There was also low or very low quality evidence that psychological interventions improved participant-reported levels of depressive symptoms (standardised mean difference (SMD) -0.27, 95% CI -0.39 to -0.15; GRADE = low), anxiety (SMD -0.24, 95% CI -0.38 to -0.09; GRADE = low), and stress (SMD -0.56, 95% CI -0.88 to -0.24; GRADE = very low).There was substantial statistical heterogeneity for all psychological outcomes but not clinical outcomes, and there was evidence of small-study bias for one clinical outcome (cardiac mortality: Egger test P = 0.04) and one psychological outcome (anxiety: Egger test P = 0.012). Meta-regression exploring a limited number of intervention characteristics found no significant predictors of intervention effects for total mortality and cardiac mortality. For depression, psychological interventions combined with adjunct pharmacology (where deemed appropriate) for an underlying psychological disorder appeared to be more effective than interventions that did not (β = -0.51, P = 0.003). For anxiety, interventions recruiting participants with an underlying psychological disorder appeared more effective than those delivered to unselected populations (β = -0.28, P = 0.03).

AUTHORS' CONCLUSIONS

This updated Cochrane Review found that for people with CHD, there was no evidence that psychological treatments had an effect on total mortality, the risk of revascularisation procedures, or on the rate of non-fatal MI, although the rate of cardiac mortality was reduced and psychological symptoms (depression, anxiety, or stress) were alleviated; however, the GRADE assessments suggest considerable uncertainty surrounding these effects. Considerable uncertainty also remains regarding the people who would benefit most from treatment (i.e. people with or without psychological disorders at baseline) and the specific components of successful interventions. Future large-scale trials testing the effectiveness of psychological therapies are required due to the uncertainty within the evidence. Future trials would benefit from testing the impact of specific (rather than multifactorial) psychological interventions for participants with CHD, and testing the targeting of interventions on different populations (i.e. people with CHD, with or without psychopathologies).

Complications of Heart Rhythm Management Devices After Cardiac Rehabilitation Program

OBJECTIVE

The aim of this study was to examine physical and heart rhythm management device malfunction complications after participating in a cardiac rehabilitation program intervention compared with usual care.

METHOD

This study was a clinical trial of 100 patients. After randomization, intervention group patients received 8 cardiac rehabilitation program sessions for 8 weeks and follow-up phone calls. Each session consisted of exercise training, education, and psychological interventions. Data were collected at 3 points in both groups-baseline and 8 and 12 weeks after the first day of the intervention-using a researcher-designed case report form. Data were analyzed using descriptive and nonparametric tests.

RESULTS

Of the participants, 59% were men, and the sample was aged 40 to 60 years. At the 8- to 12-week follow-up, there were less physical complications among the cardiac rehabilitation group (P < .001) and no between-group differences in complications related to device malfunction. By heart rhythm device type, cardiac rehabilitation had the greatest efficacy in reducing physical complications in patients with cardioverter/defibrillators.

CONCLUSIONS

Cardiac rehabilitation reduced physical complications in patients with cardiac rhythm management devices, especially in patients with cardioverter/defibrillators. Cardiac clinical nurse specialists should recommend rehabilitation programs as part of postimplantation rhythm device treatment to decrease the risk of physical complications.

Depression and Associated Factors in Patients with Implantable Cardioverter-Defibrillators

Background: Psychological problems such as depression constitute a dilemma that patients with the implantable cardioverter-defibrillator (ICD) usually encounter and may impact their quality of life. The purpose of this study was to evaluate the prevalence of depression among adults with the ICD and the relationship between depression and associated factors. Methods: Totally, 115 individuals with the ICD participated in this cross-sectional study in Tehran, Iran, and depression and other related risk factors were evaluated in them. Two questionnaires, one for demographic characteristics and the Beck Depression Inventory, were applied for data acquisition. The data were analyzed, and the factors associated with depression in the patients with the ICD were assessed. Results: The mean age of the study population was 59.85 ± 11.46 years. Males comprised 88 (76.5%) and females 27 (23.5%) of the patients. The multivariate analysis on the 115 patients revealed that frequency of ICD shocks (OR = 1.08, 95%CI: 1.02 - 1.10), male sex (OR = 2.28, 95%CI: 1.027 - 5.07), more hospital admissions (OR = 1.19, 95%CI: 1.11 - 1.25), smoking cessation (OR = 9.8, 95%CI: 4.48 - 20.07), presence of ICD shocks (OR = 4.5, 95%CI: 2.45 - 7.38), dyslipidemia (OR = 2.8, 95%CI: 1.22 - 4.95), and family history of depression (OR = 6.4, 95%CI: 3.0 - 13.46) were significantly and independently associated with the Beck score classifications. Conclusion: These findings suggest that a poor psychosocial outcome in patients with the ICD may occur as a result of a variety of associated factors, most of which are predictable and preventable.

A qualitative study of decision-making about the implantation of cardioverter defibrillators and deactivation during end-of-life care

Background

Implantable cardioverter defibrillators (ICDs) are recommended for patients at high risk of sudden cardiac death or for survivors of cardiac arrest. All ICDs combine a shock function with a pacing function to treat fast and slow heart rhythms, respectively. The pacing function may be very sophisticated and can provide so-called cardiac resynchronisation therapy for the treatment of heart failure using a pacemaker (cardiac resynchronisation therapy with pacemaker) or combined with an ICD [cardiac resynchronisation therapy with defibrillator (CRT-D)]. Decision-making about these devices involves considering the benefit (averting sudden cardiac death), possible risks (inappropriate shocks and psychological problems) and the potential need for deactivation towards the end of life.

Objectives

To explore patients’/relatives’ and clinicians’ views/experiences of decision-making about ICD and CRT-D implantation and deactivation, to establish how and when ICD risks, benefits and consequences are communicated to patients, to identify individual and organisational facilitators and barriers to discussions about implantation and deactivation and to determine information and decision-support needs for shared decision-making (SDM).

Data sources

Observations of clinical encounters, in-depth interviews and interactive group workshops with clinicians, patients and their relatives.

Methods

Observations of consultations with patients being considered for ICD or CRT-D implantation were undertaken to become familiar with the clinical environment and to optimise the sampling strategy. In-depth interviews were conducted with patients, relatives and clinicians to gain detailed insights into their views and experiences. Data collection and analysis occurred concurrently. Interactive workshops with clinicians and patients/relatives were used to validate our findings and to explore how these could be used to support better SDM.

Results

We conducted 38 observations of clinical encounters, 80 interviews (44 patients/relatives, seven bereaved relatives and 29 clinicians) and two workshops with 11 clinicians and 11 patients/relatives. Patients had variable knowledge about their conditions, the risk of sudden cardiac death and the clinical rationale for ICDs, which sometimes resulted in confusion about the potential benefits. Clinicians used various metaphors, verbal descriptors and numerical risk methods, including variable disclosure of the potential negative impact of ICDs on body image and the risk of psychological problems, to convey information to patients/relatives. Patients/relatives wanted more information about, and more involvement in, deactivation decisions, and expressed a preference that these decisions be addressed at the time of implantation. There was no consensus among clinicians about the initiation or timing of such discussions, or who should take responsibility for them. Introducing deactivation discussions prior to implantation was thus contentious; however, trigger points for deactivation discussions embedded within the pathway were suggested to ensure timely discussions.

Limitations

Only two patients who were prospectively considering deactivation and seven bereaved relatives were recruited. The study also lacks the perspectives of primary care clinicians.

Conclusions

There is discordance between patients and clinicians on information requirements, in particular the potential consequences of implantation on psychological well-being and quality of life in the short and long term (deactivation). There were no agreed points across the care pathway at which to discuss deactivation. Codesigned information tools that present balanced information on the benefits, risks and consequences, and SDM skills training for patients/relative and clinicians, would support better SDM about ICDs.

Future work

Multifaceted SDM interventions that focus on skills development for SDM combined with decision-support tools are warranted, and there is a potential central role for heart failure nurses and physiologists in supporting and preparing patients/relatives for such discussions.

Funding

The National Institute for Health Research Health Services and Delivery Research programme.

The Challenges of Living With an Implantable Cardioverter Defibrillator: A Qualitative Study

BACKGROUND

Dysrhythmia is one of the most common causes of sudden cardiac death worldwide. An implantable cardioverter defibrillator is the most effective method of treatment for dysrhythmias causing cardiac arrest. However, living with an implantable cardioverter defibrillator is associated with challenges such as fear, anxiety, and depression.

OBJECTIVES

The purpose of this study was to identify the challenges of living with an implantable cardioverter defibrillator.

PATIENTS AND METHODS

In this qualitative study, an interpretive phenomenological approach was used, with thirteen participants (seven men and six women) between the ages of 21 and 70 years old (mean = 58.15, SD = 14.4). The duration of having an implantable cardioverter defibrillator was 1 - 120 months (mean = 23.15, SD = 33.31). Maximum variation sampling was used to purposefully select the participants from the governmental Imam Khomeini hospital in Tehran, Iran, between May and October of 2013. Semi-structured interviews were conducted for 30 to 45 minutes, and Van Manen's six-step method was used in this study.

RESULTS

The challenges of living with an implantable cardioverter defibrillator include: living with fear, concerns about the future, concerns about device malfunction, fearing death during the shock, pain due to the shock, loss of control, the cost of the device, and the lifestyle limitations.

CONCLUSIONS

Patients who live with implantable cardioverter defibrillators face many concerns and challenges. Therefore, the role of nurses in teaching patients before and after implementation is very important.

Clinical Effects and Implications of Cardiac Rehabilitation for Implantable Cardioverter Defibrillator Patients: A Mixed-Methods Approach Embedding Data From the Copenhagen Outpatient ProgrammE-Implantable Cardioverter Defibrillator Randomized Clinical Trial With Qualitative Data

BACKGROUND

The Copenhagen Outpatient ProgrammE-Implantable Cardioverter Defibrillator trial was a randomized clinical trial that compared a complex rehabilitation intervention including exercise training and psychoeducational interventions with usual care. A significant difference between rehabilitation and usual care was found in physical capacity and general and mental health. However, the clinical effect sizes of these findings were not investigated, and the findings from the quantitative and qualitative analyses were not triangulated to address the issue of whether the qualitative results could help explain the quantitative results and bring forward additional information.

OBJECTIVES

The objectives are to (a) determine the clinical effect sizes of the primary outcomes and (b) triangulate the quantitative and qualitative findings.

METHODS

A total of 196 patients with first-time implantable cardioverter defibrillator implantation were randomized (1:1) to comprehensive cardiac rehabilitation (12 weeks of exercise training and 1 year of psychoeducational follow-up) versus treatment as usual. Two primary outcomes, perceived health (Short Form-36) and peak oxygen uptake, were used. Cohen d was calculated. Qualitative interviews were conducted with 10 patients representing the rehabilitation group. Triangulation was carried out by integrating the findings from the quantitative and qualitative results in light of each other.

RESULTS

Clinically meaningful effects were found between groups in peak oxygen uptake, general health, and mental health in favor of the rehabilitation group. Within groups, we found medium/high effect sizes on the mental component score in the rehabilitation group over time and only a small effect in the usual care group. The mechanisms of these effects were further explained by the qualitative findings. Patients with better physical health learned how to interpret body signals and adjust exercise behavior and experienced increased physical capacity. Those with better mental health received support that assisted them to cope with the possibility of shock and death and regain trust in their bodies.

CONCLUSION

The program has a clinical effect and is perceived as beneficial through supportive coping.

Decision-Making of Patients With Implantable Cardioverter-Defibrillators at End of Life: Family Members' Experiences

INTRODUCTION

Many patients with advanced heart failure (HF) experience the life-extending benefits of implantable cardioverter-defibrillators (ICD), but at the end stage of HF, patients may experience shocks with increasing frequency and change the plan for end-of-life (EOL) care including the deactivation of the ICD. This report describes family members' experiences of patients with ICD making decisions at EOL. Understanding the decision-making of patients with ICD at EOL can promote informed decision-making and improve the quality of EOL care.

METHODS

This pilot study used a mixed methods approach to test the effects of a nurse-guided discussion in decision-making about ICD deactivation (turning off the defibrillation function) at the EOL. Interviews were conducted, audiotaped, and transcribed in 2012 to 2013 with 6 family members of patients with advanced HF and ICDs. Three researchers coded the data and identified themes in 2014.

RESULTS

Three main themes described family members' experiences related to patients having HF with ICDs making health-care decision at EOL: decision-making preferences, patients' perception on ICD deactivation, and communication methods.

DISCUSSION

Health-care providers need to have knowledge of patients' decision-making preferences. Preferences for decision-making include the allowing of appropriate people to involve and encourages direct conversation with family members even when advance directives is completed. Information of ICD function and the option of deactivation need to be clearly delivered to patients and family members. Education and guidelines will facilitate the communication of the preferences of EOL care.

Gender Disparities in Symptoms of Anxiety, Depression, and Quality of Life in Defibrillator Recipients

BACKGROUND

Most patients cope well with an implantable cardioverter defibrillator (ICD), but psychological distress and ICD-related concerns have been reported in about 20% of ICD recipients. Many previous studies have not distinguished between genders.

METHODS

In this nationwide study we compared quality of life, anxiety, and depression symptoms between the genders in ICD recipients, and determined predictors of each of these variables in men and women. All adult Swedish ICD recipients were invited by mail to participate and 2,771 patients (66 ± 12 years) completed standardized measures of quality of life, symptoms of anxiety, and depression. Time since implantation ranged from 1 year to 23 years with a mean of 4.7 ± 3.9.

RESULTS

Women reported worse quality of life (mean index 0.790 vs 0.825) and higher prevalence of anxiety (20.5% vs 14.7%) than did men (P < 0.001 for both comparisons), while there were no differences in symptoms of depression (8.8% vs 8.2%).

CONCLUSIONS

Most ICD recipients report a good quality of life, without emotional distress, but among the minority with distress, women fare worse than men.

Nurse-Enhanced Computerized Cognitive Training Increases Serum Brain-Derived Neurotropic Factor Levels and Improves Working Memory in Heart Failure

BACKGROUND

Memory loss is common in heart failure (HF) patients, but few interventions have been tested to treat it. The objective of this study was to evaluate efficacy of a cognitive training intervention, Brain Fitness, to improve memory, serum brain-derived neurotropic factor (BDNF) levels, working memory, processing speed, executive function, instrumental activities of daily living, mobility, depressive symptoms, and health-related quality of life.

METHODS AND RESULTS

Twenty-seven HF patients were randomly assigned to Brain Fitness and health education active control interventions. Data were collected at baseline and 8 and 12 weeks. Linear mixed models analyses were completed. Patients in the Brain Fitness group were older with lower ejection fraction. At 12 weeks, a group by time interaction effect was found for serum BDNF levels (P = .011): serum BDNF levels increased among patients who completed Brain Fitness and decreased among patients who completed health education. No differences were found in memory, but a group by time interaction (P = .046) effect was found for working memory.

CONCLUSIONS

Findings support efficacy of Brain Fitness in improving working memory and serum BDNF levels as a biomarker of intervention response. A randomized controlled study is needed among a larger more diverse group of HF patients.

A pilot study of a mindfulness based stress reduction program in adolescents with implantable cardioverter defibrillators or pacemakers

Adolescents with implantable cardioverter defibrillators (ICDs) or pacemakers (PMs) face unique challenges that can cause psychosocial distress. Psychosocial interventions are effective for adults with cardiac devices and could potentially impact adolescents' adjustment to these devices. Mindfulness Based Stress Reduction (MBSR) is a structured psycho-educational program that includes meditation, yoga, and group support and has been studied extensively among adults. This study examined the feasibility of the MBSR program for adolescents with ICDs/PMs, a population previously unexamined in the research literature. The participants completed measures of anxiety and depression (Hospital Anxiety and Depression Scale) and coping (Responses to Stress Questionnaire) at baseline and after the six-session MBSR intervention. Mean age of the cohort (n = 10) was 15 ± 3 years, 6 were male, 6 had a PM, and 4 had an ICD. Feasibility was demonstrated by successful recruitment of 10 participants, 100 % participation and completion. Anxiety decreased significantly following the intervention, with a large effect size, t[9] = 3.67, p < .01, ŋ (2) = .59. Anxiety frequency decreased from baseline to post-intervention (Fisher's exact test p = .024), and 90 % of participants reported decreased anxiety scores post-intervention. Coping skills related negatively to anxiety (r = -.65, p = .04) and depression (r = -.88, p = .001). Post-intervention, the group independently formed their own Facebook group and requested to continue meeting monthly. Although generalizability is limited due to the small sample size, this successful pilot study paves the way for larger studies to examine the efficacy of MBSR interventions in adolescents with high-risk cardiac diagnoses.

Reducing Care Utilisation through Self-management Interventions (RECURSIVE): a systematic review and meta-analysis

Background

A critical part of future service delivery will involve improving the degree to which people become engaged in ‘self-management’. Providing better support for self-management has the potential to make a significant contribution to NHS efficiency, as well as providing benefits in patient health and quality of care.

Objective

To determine which models of self-management support are associated with significant reductions in health services utilisation (including hospital use) without compromising outcomes, among patients with long-term conditions.

Data sources

Cochrane Central Register of Controlled Trials, Cumulative Index to Nursing and Allied Health, EconLit (the American Economic Association’s electronic bibliography), EMBASE, Health Economics Evaluations Database, MEDLINE (the US National Library of Medicine’s database), MEDLINE In-Process & Other Non-Indexed Citations, NHS Economic Evaluation Database (NHS EED) and PsycINFO (the behavioural science and mental health database), as well as the reference lists of published reviews of self-management support.

Methods

We included patients with long-term conditions in all health-care settings and self-management support interventions with varying levels of additional professional support and input from multidisciplinary teams. Main outcome measures were quantitative measures of service utilisation (including hospital use) and quality of life (QoL). We presented the results for each condition group using a permutation plot, plotting the effect of interventions on utilisation and outcomes simultaneously and placing them in quadrants of the cost-effectiveness plane depending on the pattern of outcomes. We also conducted conventional meta-analyses of outcomes.

Results

We found 184 studies that met the inclusion criteria and provided data for analysis. The most common categories of long-term conditions included in the studies were cardiovascular (29%), respiratory (24%) and mental health (16%). Of the interventions, 5% were categorised as ‘pure self-management’ (without additional professional support), 20% as ‘supported self-management’ (< 2 hours’ support), 47% as ‘intensive self-management’ (> 2 hours’ support) and 28% as ‘case management’ (> 2 hours’ support including input from a multidisciplinary team). We analysed data across categories of long-term conditions and also analysed comparing self-management support (pure, supported, intense) with case management. Only a minority of self-management support studies reported reductions in health-care utilisation in association with decrements in health. Self-management support was associated with small but significant improvements in QoL. Evidence for significant reductions in utilisation following self-management support interventions were strongest for interventions in respiratory and cardiovascular disorders. Caution should be exercised in the interpretation of the results, as we found evidence that studies at higher risk of bias were more likely to report benefits on some outcomes. Data on hospital use outcomes were also consistent with the possibility of small-study bias.

Limitations

Self-management support is a complex area in which to undertake literature searches. Our analyses were limited by poor reporting of outcomes in the included studies, especially concerning health-care utilisation and costs.

Conclusions

Very few self-management support interventions achieve reductions in utilisation while compromising patient outcomes. Evidence for significant reductions in utilisation were strongest for respiratory disorders and cardiac disorders. Research priorities relate to better reporting of the content of self-management support, exploration of the impact of multimorbidity and assessment of factors influencing the wider implementation of self-management support.

Study registration

This study is registered as PROSPERO CRD42012002694.

Funding

The National Institute for Health Research Health Services and Delivery Research programme.

Characteristics associated with anxiety, depressive symptoms, and quality-of-life in a large cohort of implantable cardioverter defibrillator recipients

OBJECTIVE

Although most patients with implantable cardioverter defibrillators (ICDs) adjust well, some have considerable psychological distress. Factors associated with psychological adjustment in ICD-recipients are still not well understood. Our purpose was to describe quality-of-life (QoL) and prevalence of self-reported symptoms of anxiety and depression in a large national cohort of ICD-recipients, and to determine socio-demographic, clinical, and ICD-related factors associated with these variables.

METHODS

A cross-sectional, correlational design was used. All eligible adult ICD-recipients in the Swedish ICD- and Pacemaker Registry were invited to participate. Symptoms of anxiety and depression were measured using the Hospital Anxiety and Depression Scale (HADS), and QoL with the EuroQol-5D.

RESULTS

A total of 3067 ICD-recipients (66±11years, 80% male) were included. The mean HADS score was 3.84±3.70 for anxiety symptoms and 2.99±3.01 for symptoms of depression. The mean EQ-5D index score was 0.82±0.21. The probability of symptoms of anxiety and depression was associated with younger age, living alone, and a previous history of myocardial infarction or heart failure. Additionally, female ICD-recipients had a higher probability of symptoms of anxiety. A higher level of ICD-related concerns was most prominently related to symptoms of anxiety, depressive symptoms and poorer QoL, while number of shocks, ICD-indication and time since implantation were not independently related.

CONCLUSIONS

In this large cohort of ICD-recipients, the association of ICD-related concerns with symptoms of anxiety, depressive symptoms, and poor QoL suggests that ICD specific factors should be addressed in order to improve outcomes.

The impact of technology dependency on device acceptance and quality of life in persons with implantable cardioverter defibrillators

BACKGROUND

The impact of implantable cardioverter defibrillator (ICD) technology on the quality of life (QOL) experienced by recipients has been a major focus of recent research. Numerous studies have found psychological distress to be important in determining QOL in persons receiving ICDs, yet the source of psychological distress is not well understood.

OBJECTIVE

The aim of this study was to determine the impact of technology dependency on psychological outcomes in ICD recipients.

METHODS

With the use of a cross-sectional design, 161 ICD recipients from 1 device clinic were mailed self-administered questionnaires, including the Dependency on Technology Scale, Brief Illness Perception Questionnaire, Florida Shock Anxiety Scale, Florida Patient Acceptance Survey, and Short Form-12 (SF-12). Hierarchical multiple regressions and analyses of variance were performed.

RESULTS

The final sample size was 101 participants. Mean (SD) age was 68 (13) years; 72% of the participants were men, 99% were white, and 30% reported receiving a shock(s). A total of 80% reported positive attitudes toward technology dependency; 14%, neutral; and 6%, negative (Dependency on Technology Scale). Illness perceptions were positive (Brief Illness Perception Questionnaire; mean[SD], 34.5 [12.6]), shock anxiety was elevated (Florida Shock Anxiety Scale; mean [SD], 16.5 [6.7]), and device acceptance was good (Florida Patient Acceptance Survey; mean [SD], 74.9 [17.0]). Physical health QOL was low (SF-12; mean [SD], 38.6 [11.3]) and mental health QOL was moderate (SF-12; mean [SD], 50.6 [10.0]). Attitudes toward technology dependency significantly accounted for the variance seen in device acceptance and mental health QOL beyond age, gender, number of shocks, illness perceptions, and shock anxiety by 5.7% (P = .001) and 3.3% (P = .04), respectively. Significant differences were seen in device acceptance between those with negative and neutral attitudes (P = .001) and those with negative and positive attitudes (P < .001) and in shock anxiety and mental health QOL between those with negative and those with positive attitudes (P < .001).

CONCLUSIONS

Attitudes toward technology dependency is significantly associated with psychological outcomes and may explain the psychological distress in some ICD recipients. Degree of positivity toward technology dependency influences these outcomes. Research evaluating attitudes toward technology dependency and testing of interventions focusing on these attitudes is warranted.

Comprehensive cardiac rehabilitation improves outcome for patients with implantable cardioverter defibrillator. Findings from the COPE-ICD randomised clinical trial

AIMS

The aim of this randomised clinical trial was to assess a comprehensive cardiac rehabilitation intervention including exercise training and psycho-education vs 'treatment as usual' in patients treated with an implantable cardioverter defibrillator (ICD).

METHODS

In this study 196 patients with first time ICD implantation (mean age 57.2 (standard deviation (SD)=13.2); 79% men) were randomised (1:1) to comprehensive cardiac rehabilitation vs 'treatment as usual'. Altogether 144 participants completed the 12 month follow-up. The intervention consisted of twelve weeks of exercise training and one year of psycho-educational follow-up focusing on modifiable factors associated with poor outcomes. Two primary outcomes, general health score (Short Form-36 (SF-36)) and peak oxygen uptake (VO₂), were used. Post-hoc analyses included SF-36 and ICD therapy history.

RESULTS

Comprehensive cardiac rehabilitation significantly increased VO2 uptake after exercise training to 23.0 (95% confidence interval (CI) 20.9-22.7) vs 20.8 (95% CI 18.9-22.7) ml/min/kg in the control group (p=0.004 (multiplicity p=0.015)). Comprehensive cardiac rehabilitation significantly increased general health; at three months (mean 62.8 (95% CI 58.1-67.5) vs 64.4 (95% CI: 59.6-69.2)) points; at six months (mean 66.7 (95% CI 61.5-72.0) vs 61.9 (95% CI 56.1-67.7) points); and 12 months (mean 63.5 (95% CI 57.7-69.3) vs 62.1 (95% CI 56.2-68.0)) points (p <0.05). Explorative analyses showed a significant difference between groups in favour of the intervention group. No significant difference was seen in ICD therapy history.

CONCLUSION

Comprehensive cardiac rehabilitation combining exercise training and a psycho-educational intervention improves VO₂-uptake and general health. Furthermore, mental health seems improved. No significant difference was found in the number of ICD shocks or anti-tachycardia pacing therapy.

Development and feasibility testing of decision support for patients who are candidates for a prophylactic implantable defibrillator: a study protocol for a pilot randomized controlled trial

BACKGROUND

Patients, identified to be at risk for but who have never experienced a potentially lethal cardiac arrhythmia, have the option of receiving an implantable cardioverter defibrillator (ICD) as prophylaxis against sudden cardiac death - a primary prevention indication. In Canada, there is no clear framework to support patients' decision-making for these devices. Decision support, using a decision aid, could moderate treatment-related uncertainty and prepare patients to make well-informed decisions. Patient decision aids provide information on treatment options, risks, and benefits, to help patients clarify their values for outcomes of treatment options. The objectives of this research are: 1) develop a decision aid, 2) evaluate the decision aid, and 3) determine the feasibility of conducting a trial.

METHODS/DESIGN

A development panel comprised of the core investigative team, health service researchers, decision science experts, cardiovascular healthcare practitioners, and ICD patient representatives will collaborate to provide input on the content and format of the aid. To generate probabilities to include in the aid, we will synthesize primary prevention ICD evidence. To obtain anonymous input about the facts and content, we will employ a modified Delphi process. To evaluate the draft decision aid will invite ICD patients and their families (n = 30) to rate its acceptability. After we evaluate the aid, to determine the feasibility, we will conduct a feasibility pilot randomized controlled trial (RCT) in new ICD candidates (n = 80). Participants will be randomized to receive a decision aid prior to specialist consultation versus usual care. Results from the pilot RCT will determine the feasibility of research processes; inform sample size calculation, measure decision quality (knowledge, values, decision conflict) and the influence of health related quality of life on decision-making.

DISCUSSION

Our study seeks to develop a decision aid, for patients offered their first ICD for prophylaxis against sudden cardiac death. This paper outlines the background and methods of a pilot randomized trial which will inform a larger multicenter trial. Ultimately, decision support prior to specialist consultation could enhance the decision-making process between patients, physicians, and families, associated with life-prolonging medical devices like the ICD.

TRIAL REGISTRATION

ClinicalTrials.gov: NCT01876173.

Pre-hospital discharge testing of defibrillator without anesthesia: effects on psychological symptoms during clinical follow-up

OBJECTIVE

After the implantation of an implantable cardioverter-defibrillator (ICD), patients often fear therapeutic shock. The extent to which the experience of pre-hospital discharge (PHD) testing without anesthesia after ICD implantation, under observation by a physician, affects shock-related anxiety symptoms on follow-up has not been investigated as yet.

METHODS

In a prospective, randomized controlled trial, 44 patients with a primary prevention indication for an ICD were randomly assigned to experience PHD testing without anesthesia (n = 23) or with anesthesia (n = 21). Patients were longitudinally evaluated before (T(1)), shortly after (T(2)), and 3 months after (T(3)) PHD testing. During the respective PHD testings, the course of patients' serum cortisol release was measured.

RESULTS

During PHD testing, patients without anesthesia showed a significantly higher serum cortisol release than patients with anesthesia (F(4,152) = 22.227, p < .001). Patients who experienced PHD testing without anesthesia felt significantly safer with the ICD (U = 165.000, p = .040), would significantly more often recommend other patients to undergo PHD testing without anesthesia (χ(2) = 12.013, p = .002), and showed significantly lower levels of general shock-related anxiety shortly afterward (F(1,42) = 6.327, p = .02) and 3 months after PHD testing (F(1,41) = 8.603, p = .005).

CONCLUSIONS

The implementation of PHD testing without anesthesia is associated with lower anxiety concerning therapeutic shock. Patients should be advised about the effects of PHD testing without anesthesia on their psychological well-being in the long run.