Validity and reliability of the Brazilian Portuguese version of the Florida Patient Acceptance Survey for patients with implantable cardioverter defibrillators

Device acceptance is a crucial factor in identifying implantable cardioverter defibrillator (ICD) patients at risk for psychosocial distress and unfavorable quality of life outcomes. The purpose of this study was to examine the evidence of the validity of internal structure (construct) and reliability of the Florida Patient Acceptance Survey (FPAS) in a sample of ICD patients, comparing the psychometric indicators of the complete (FPAS-18 item) and abbreviated (FPAS-12 item) versions. The sample included 151 participants (97 males, mean age of 55.7 ± 14.1 years) who completed the cross-culturally adapted version of the FPAS instrument for the Brazilian context. The psychometric properties of both versions of the FPAS instrument were evaluated by two distinct approaches:•Exploratory and confirmatory factor analysis: used to test the internal structure of the instrument•Cronbach's Alpha and McDonald's Omega: used to determine the reliability of the instrument The two versions of the FPAS-Br instrument showed consistent evidence of internal structure validity and reliability. However, the FPAS-Br 12-item showed a better psychometric adjustment, confirmed by the analysis of the quality indicators of the models.

Seat belts-related behaviors in car drivers with cardiac implantable electronic devices

BACKGROUND

Seat belt use is the single most effective means of reducing fatal injuries in road traffic accidents. The presence of a cardiac implantable electronic device (CIED) might influence seat belt-related behaviors due to the physical proximity of the seat belt and left subclavian area in which the device is usually implanted. Understanding the underlying mechanisms of improper seat belt use may improve safety of these patients.

METHODS

We performed a prospective study using a structured questionnaire with 120 CIED recipients (age, 63.9 ± 10.9 years) attending a pacing outpatient clinic. All study participants were active drivers and predominantly male. The majority of patients (79%) had undergone high-energy device implantation.

RESULTS

We found that 18% of study participants do not fasten seat belts on a regular basis or use the seat belt in an atypical fashion (such as under the armpit). Moderate or high level of discomfort from the interaction between seat belt and CIED was present in 27%, while more than half (51%) were afraid of seat belt-induced CIED damage. In multifactorial analysis, we found the following independent predictors of improper seat belt use: (1) at least moderate level of discomfort at the CIED site (P = 0.02); (2) fear of CIED damage (P = 0.009); and (3) irregular seat belt use prior to CIED implantation (P = 0.037).

CONCLUSIONS

Improper seat belt-related behaviors are common in CIED recipients. They arise from previous habits and from CIED-related physical and psychological factors. Patients' education regarding the importance and safety of proper seat belt use is a priority.

Psychological effects of implantable cardioverter defibrillator shocks. A review of study methods

Background: The implantable cardioverter defibrillator (ICD) saves lives but clinical experience suggests that it may have detrimental effects on mental health. The ICD shock has been largely blamed as the main offender but empirical evidence is not consistent, perhaps because of methodological differences across studies.

Objective: To appraise methodologies of studies that assessed the psychological effects of ICD shock and explore associations between methods and results.

Data Sources: A comprehensive search of English articles that were published between 1980 and 30 June 2013 was applied to the following electronic databases: PubMed, EMBASE, NHS HTA database, PsycINFO, Sciencedirect and CINAHL.

Review Methods: Only studies testing the effects of ICD shock on psychological and quality of life outcomes were included. Data were extracted according to a PICOS pre-defined sheet including methods and study quality indicators.

Results: Fifty-four observational studies and six randomized controlled trials met the inclusion criteria. Multiple differences in methods that were used to test the psychological effects of ICD shock were found across them. No significant association with results was observed.

Conclusions: Methodological heterogeneity of study methods is too wide and limits any quantitative attempt to account for the mixed findings. Well-built and standardized research is urgently needed.

Emotional distress, positive affect, and mortality in patients with an implantable cardioverter defibrillator

BACKGROUND

Little is known about the relationship between emotional distress and mortality in patients with an implantable cardioverter defibrillator (ICD). Our aim was to examine the predictive value of general negative and positive affect, and depressive symptoms (including its components somatic symptoms and cognitive-affective symptoms) for mortality.

METHODS

ICD patients (N=591, 81% male, mean age=62.7 ± 10.1 years) completed the Global Mood Scale to measure the independent dimensions negative and positive mood, and the Beck Depression Inventory to measure depressive symptoms. Covariates consisted of demographic and clinical variables.

RESULTS

During the median follow-up of 3.2 years, 96 (16.2%) patients died. After controlling for covariates, negative affect was significantly related to all-cause mortality (HR=1.034, p=0.002), whereas positive affect was not (HR=1.007, p=0.61). Depressive symptoms were also independently associated with an increased mortality risk (HR=1.031, p=0.030) and somatic symptoms of depression in particular (HR=1.130, p=0.003), but cognitive-affective symptoms were not associated with mortality (HR=0.968, p=0.29). When entering both significant psychological predictors in a covariate-adjusted model, negative mood remained significant (HR=1.039, p=0.009), but somatic symptoms of depression did not (HR=0.988, p=0.78). Similar results were found for cardiac-related death. Of covariates, increased age, CRT, appropriate shocks were positively related to death.

CONCLUSIONS

Negative affect in general was related to mortality, but reduced positive affect was not. Depression, particularly its somatic symptoms, was also related to mortality, while cognitive-affective symptoms were not. Future research may further focus on the differential predictive value of emotional distress factors, as well as on mechanisms that relate emotional distress factors to mortality.

The distressed (Type D) personality. A risk marker for poor health outcomes in ICD patients

The distressed (Type D) personality is an emerging risk marker for poor health outcomes in patients with cardiovascular disease. Patients with this personality disposition are typified by a general propensity to experience psychological distress. The contribution focuses on the impact of Type D personality on psychological distress, quality of life, ventricular tachyarrhythmias, and mortality in implantable cardioverter-defibrillator (ICD) patients and examines the relative influence of this vulnerability factor compared to ICD shocks and markers of disease severity in relation to these outcomes.

[Changes in depression, anxiety, and vital exhaustion in patients after ICD implantation. Comparison of clinical subgroups]

BACKGROUND

The psychological strain of an implantable cardioverter-defibrillator (ICD) is infrequently explored in prospective studies, which have until now generally focused on the dimensions anxiety and depression. Furthermore, vital exhaustion (VE; ICD10 F 48.0) is known as a very good predictor for negative outcome in patients with coronary heart disease. The influence of VE on patients with an ICD is presented and analyzed in a prospective study.

METHODS

A total of 249 patients with an ICD completed a set of questionnaires (HADS, EQ-5D, VE) at baseline and at the 1-year follow-up.

RESULTS

The patients with high levels of depression, anxiety, and VE after ICD implantation did not show spontaneous remission after 1 year.

DISCUSSION

As expected, the implanatation of an ICD is associated with high acceptance and increased life quality in about 3/4 of patients. However, there is a subgroup of patients (20-30%) who have difficulties and the measured dimensions remain at elevated levels after implantation, thus, indicating that these patients probably need competent psychological help.

Gender disparities in psychological distress and quality of life among patients with an implantable cardioverter defibrillator

A subset of patients with an implantable cardioverter defibrillator (ICD) reports psychological distress and poor quality of life (QoL). Gender is one of the factors that has been proposed to explain individual differences in these outcomes. In this viewpoint, we (1) review the evidence for gender disparities in psychological distress and QoL in ICD patients by means of a systematic review, and (2) provide recommendations for future research and clinical implications. A systematic search of the literature identified 18 studies with a sample size ≥ 100 that examined gender disparities in anxiety/depression and QoL in ICD patients (mean prevalence of women = 21%; mean age = 62 years). Our review shows that there is insufficient evidence to conclude that gender per se is a major autonomous predictor for disparities in psychological distress and QoL in ICD patients. Women had a higher prevalence of anxiety and poorer QoL in some studies, but there was no statistically significant gender effect in relation to 80% (26/32) of the outcomes reported in the 18 studies. Studies are warranted that are designed a priori and sufficiently powered to examine gender disparities in distress and QoL outcomes in order to establish the exact gender-specific effect. Due to a need to explore the complexity of this issue further, at this time, caution is warranted with respect to the clinical implications.

Is type-D a stable construct? An examination of type-D personality in patients before and after cardiac surgery

OBJECTIVE

Type-D personality-negative affectivity and social inhibition-are related to poor prognosis in cardiovascular diseases. At present, little is known about type-D personality and its stability before and after cardiac surgery.

METHODS

One hundred twenty-six patients recommended for coronary bypass and/or valve surgery were examined at pre-surgery and 6 months post-surgery to investigate the stability of type-D (14-item Type-D Scale) and its relationship to anxiety, depression (Hospital Anxiety and Depression Scale) and quality of life (Short Form 12).

RESULTS

Preoperatively, 26% were assessed to have type-D, while only 11% fulfilled type-D criteria both pre- and post-surgery. Patients were assessed and identified as belonging to one of the four type-D groups: Stable type-D (11%), non-type-D (61%), type-D pre (15%), and type-D post (13%). In comparison to the stable non-type D group, the stable type-D reported more symptoms of anxiety, depression, lower physical quality of life post-surgery, and lower mental quality of life both pre- and post-surgery. When compared to the population at large, stable type-D had more symptoms of depression pre-surgery, and more anxiety as well as lower physical and mental quality of life pre- and post-surgery.

CONCLUSION

Type-D diagnosis changed in nearly 60% of the cases post-surgery. Only those patients with stable type-D exhibited a relationship to emotional distress, such as anxiety and depression and reduced quality of life. Additional research on the critical cut-off scores and stability of type-D as it relates to critical life events would likely enhance our ability to more effectively diagnose and treat patients who are at high risk for insufficient coping.