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The primary aim of revascularization in stable coronary artery disease (CAD) is symptom relief. The severity of symptoms is usually evaluated by the physician, not by the patient. We examined the agreement between physician- and patient-reported Canadian Cardiovascular Society (CCS) scores among patients scheduled for elective coronary angiography in a cross-sectional study. Patients (n = 650) and cardiologists evaluated the severity of angina symptoms by filling the CCS questionnaire before coronary angiography. Patients were divided into those without CAD (stenosis diameter <50%, n = 445) and those with CAD (stenosis diameter >50%, n = 205). CAD patients were further divided into three groups according to disease severity (single-, double- or triple-vessel disease). The mean age of the patients was 67.6 (9.9) years and 50.6% were women. In 51.8% (95% CI 44.5%-59.0%) of patients with CAD and 51.9% (95% CI 47.0%-56.8%) of those without, physician- and patient reported CCS scores agreed. The physician reported better CCS scores in 33.9% (95% CI 27.6%-40.7%) of patients with CAD and 36.2% (95% CI 31.8%-41.0%) of patients without CAD. The proportions of full or partial agreement between physician- and patient reported CCS scores were similar across the CAD severity groups. To summarize, we observed a significant discrepancy between the physician- and patient-reported symptom severity in patients with or without CAD scheduled for angiography. The physician underestimated the symptoms in third of the cases. Thus, patient-reported symptom severity, rather than physician's evaluation, should be the cornerstone of treatment decisions., Competing Interests: The authors have read the journal’s policy and have the following competing interests: Prof. Janne Martikainen is a founding partner of ESiOR Oy. This company was not involved in carrying out this research. This does not alter our adherence to PLOS ONE policies on sharing data and materials. There are no patents, products in development or marketed products associated with this research to declare., (Copyright: © 2023 Lavikainen et al. This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.)

Background: Generic health-related quality of life (HRQoL) and disease-specific instruments measure HRQoL from different aspects, although generic instruments often contain dimensions that reflect common symptoms. We evaluated how the change in 15D HRQoL and Canadian Cardiovascular Society (CCS) grading of angina severity correlate among coronary artery disease patients during 12-month follow-up., Methods: Altogether 1 271 patients scheduled for coronary angiography between June 2015 and February 2017 returned the 15D HRQoL and CCS questionnaires before angiography and after one-year follow-up as a part of routine clinical practice. Spearman correlations between one-year changes in the CCS and the 15D and its dimensions were evaluated. Changes in 15D were classified into 5 categories based on the reported minimal important difference (MID) for the instrument., Results: Change in the CCS grade correlated moderately with the MID-based change in the 15D (r = 0.33, 95% confidence interval 0.27-0.39). Correlations between these instruments were similar in different age groups, between sexes and treatment modalities. Of the individual 15D dimensions, changes in breathing (r = 0.40) and vitality (r = 0.30) had the strongest correlations with CCS change., Conclusion: The symptom-based evaluation of the change in the CCS grade may not catch the full benefit or harm of the treatment and vice versa, a generic instrument, such as 15D, likely does not fully capture change in disease-specific symptoms. Thus, generic and disease-specific instruments are complementary and should be used in conjunction., Competing Interests: I have read the journal’s policy and the authors of this manuscript have the following competing interests: Prof Martikainen is a founding partner of ESiOR Oy and a board member of Siltana Oy. These companies were not involved in carrying out this research. This does not alter our adherence to PLOS ONE policies on sharing data and materials. No other disclosures were reported.

Background: Patient-reported outcome (PRO) instruments measure health gains, including changes in health-related quality of life (HRQoL). Previous studies have assessed the reliability and relationship of multiple HRQoL instruments in search of the optimal instrument for feasible measurement of PROs. Although the 15D instrument was shown to have the best sensitivity and construct validity among cardiac patients, it is unknown how well it captures relevant disease-specific information scores compared to instruments included in the International Consortium for Health Outcomes Measurement (ICHOM) standard set. The aim of this study was to investigate whether the disease-specific PRO instruments and a generic HRQoL instrument capture disease related symptoms in coronary artery disease (CAD) patients., Methods: Health status and HRQoL were assessed with the instruments included in the ICHOM standard set: Seattle Angina Questionnaire short-form (SAQ-7), Rose Dyspnea Scale (RDS), two-item Patient Health Questionnaire (PHQ-2), and with the 15D HRQoL instrument at baseline and 1 year from the treatment in a university hospital setting. Spearman correlation and explanatory factor analysis were used to assess the relationship of baseline scores and 1-year change in scores of 297 patients., Results: At baseline, the overall 15D score and SAQ-physical limitation (SAQ-PL), 15D "breathing" and SAQ-PL, as well as "breathing" and RDS showed moderately strong correlations. The factor interpreted to reflect "Breathing-related physical activity", based on high loadings of "breathing", RDS, SAQ-PL, "mobility", "vitality", and "usual activities", explained 19.2% of the total variance. Correlations between 1-year changes in scores were fair. The factor of "Breathing-related physical activity", with significant loading of RDS, SAQ-PL, "breathing, "usual activities", "vitality", "sexual activity", "mobility", and disease-specific quality of life explained 20.5% of the total variance in 1-year change in scores. The correlation of angina frequency measured by SAQ-7 and the 15D instrument was poor., Conclusions: The 15D detects dyspnea and depression similarly to RDS and PHQ-2 but not angina similarly to the SAQ-7. This may call for supplementing the 15D instrument with a disease-specific instrument when studying CAD patients., (© 2021. The Author(s).)

Aims: We studied the purchases of medical therapy recommended for coronary artery disease patients before and after elective revascularisation (percutaneous coronary intervention (PCI) or coronary bypass grafting (CABG))., Methods: All patients who underwent an elective PCI (N = 1557) or CABG (N = 1768) at the Heart Center, Kuopio University hospital between 2007 and 2014 were included. Data were collected from the hospital's coronary register and national registers, and obtained for 3 years before and 1 year after the revascularisation., Results: Altogether 85.2% of PCI patients and 88.1% of CABG patients had purchased lipid-modifying agents before the procedure, and 94.9% and 96.8% during the post-procedure follow-up year, respectively. Beta-blocking agents were purchased by 84.9% of PCI patients before and by 87.9% after the procedure and by 86.3% of CABG patients before and 97.1% after the operation. Of PCI patients, 64.3% had purchased organic long-acting nitrates before the procedure and 54.4% also after the procedure. Among CABG patients, the purchase of organic long-acting nitrates fell from 59.7% before to 10.1% after the operation. The use of ADP receptor blocking agents increased in PCI patients (26.3 to 83.9%) and the use of warfarin in CABG patients (9.4 to 21.3%). Medication purchases were more common among those who had greater use of hospital services before and after the procedures., Conclusions: In both PCI and CABG patients, the use of medical therapy before and after revascularisation procedure complied with current guidelines. Purchases of long-acting nitrates were common in the PCI group even after the procedure.

Aims: Patient-reported outcomes (PROs) are valuable for effectiveness evaluation, but it is unknown whether the patient views obtained represent the actual case mix. We studied the representativeness of the responses obtained to a routinely administered health-related quality of life (HRQoL) questionnaire in a cardiology unit., Methods and Results: Elective coronary artery bypass grafting (CABG; n = 404) and percutaneous coronary intervention (PCI; n = 738) patients operated during June 2012 to August 2014 in the Heart Center, Kuopio University Hospital. The characteristics of the patients with a baseline (n = 260 and 290 for CABG and PCI, respectively) or both baseline and follow-up HRQoL measurements (n = 203 and 189 for CABG and PCI, respectively) were compared with those who did not respond (n = 144 and 448 for CABG and PCI). Baseline questionnaires were less likely obtained from older CABG patients (odds ratio 0.51, 95% confidence interval 0.28-0.91) and those with more severe disease (0.20, 0.05-0.79). Among PCI patients, women (0.64, 0.45-0.91), smokers (0.74, 0.53-1.04), and those with more severe disease (0.26, 0.13-0.52) or more hospital days were underrepresented., Conclusion: Routinely collected PROs in cardiac patients may be biased towards younger and healthier patients. This needs to be recognized when evaluating the representativeness of such data. The routine collection of these data should be adequately resourced.

Aim: Can focusing the adverse events search to patients with poor patient-reported outcome help in targeting adverse event detection?, Patients & Methods: Coronary artery revascularization patients of the Kuopio University Hospital from June 2012 to August 2014 categorized into those with clinically significant improvement (15D score change ≥0.015, n = 81) or deterioration (change ≥-0.015, n = 64) in post-intervention health-related quality of life., Results: Major complications (27 vs 9%, p = 0.004) or post-intervention infections (16 vs 5%, p = 0.031) were more common among those with deteriorated score. They also tended to have more cardiovascular (19 vs 9%, p = 0.071) and minor complications (16 vs 7%, p = 0.118)., Conclusion: Patient-reported outcomes may potentially help in targeting the adverse events search so that a larger number of adverse events can be identified for efficient learning from them.

Aims and Objectives: To describe perceived social support among patients with coronary heart disease following percutaneous coronary intervention., Background: A low level of social support is considered a risk factor for coronary heart disease in healthy individuals and reduces the likelihood that people diagnosed with coronary heart disease will have a good prognosis., Design: A descriptive cross-sectional study., Methods: A survey of 416 patients was conducted in 2013. A self-report instrument, Social Support of People with Coronary Heart Disease, was used. The instrument comprises three dimensions of social support: informational, emotional, functional supports and 16 background variables. Data were analysed using descriptive statistics, factor analysis, mean sum variables and multivariate logistic regression., Results: Perceived informational support was primarily high, but respondents' risk factors were not at the target level. The weakest items of informational support were advice on physical activity, continuum of care and rehabilitation. Regarding the items of emotional support, support from other cardiac patients was the weakest. The weakest item of functional support was respondents' sense of the healthcare professionals' care of patients coping with their disease. Background variables associated with perceived social support were gender, marital status, level of formal education, profession, physical activity, duration of coronary heart disease and previous myocardial infarction., Conclusions: Healthcare professionals should pay extra attention to women, single patients, physically inactive patients, those demonstrating a lower level of education, those with a longer duration of CHD, and respondents without previous acute myocardial infarction. Continuum of care and counselling are important to ensure especially among them., Relevance to Clinical Practice: This study provides evidence that healthcare professionals should be more aware of the individual needs for social support among patients with coronary heart disease after percutaneous coronary intervention., (© 2016 John Wiley & Sons Ltd.)

Introduction: Administrative registers provide an attractive data source for real-life effectiveness studies. The validity of coronary artery disease diagnoses in the Finnish National Hospital Discharge Register (HDR) is high but the validity of revascularization procedure codes (percutaneous coronary intervention; PCI and coronary artery bypass grafting; CABG) are unknown., Methods: All elective PCIs (n = 1771) and CABGs (n = 1819), performed at the Heart Center, Kuopio University Hospital, Finland between years 2007 and 2014 were identified from the unit's Special Electronic Medical Records (sEMR). Personal identity codes were used to link these data to the HDR. Sensitivity was estimated as proportion of operations recorded in sEMR and HDR., Results: With the strictest assumption of exactly the same intervention day in HDR and sEMR, the sensitivity for procedure codes were 84.6% for PCI and 97.1% for CABG, respectively. When a one-day difference was allowed in the dates, the sensitivity increased to 87.6% for PCI and 98.0% for CABG. Altogether 62.1% of elective PCIs and 69.2% of CABGs were correctly classified as elective procedures in the HDR., Conclusion: The potential of the research application of the HDR extends beyond traditionally used diagnostic codes. One feasible application is the assessment of real-life effectiveness of different procedures. KEY MESSAGES The majority of PCIs (87.6%) and CABGs (98.0%), performed in the Heart Center, Kuopio University Hospital responsible for the treatment of approximately one fifth of the Finnish population, were captured by the Finnish National Hospital Discharge Register. However, only 62.1% of elective PCIs and 69.2% of CABGs were correctly classified as elective procedures in the HDR. Electivity data were missing from approximately one third of the procedures. This study produces new information of the potential use of HDR for real-life effectiveness studies to support evidence-based decision making in health care.

Background: It is unknown whether the preferred 1-stent bifurcation stenting approach with stenting of the main vessel (MV) and optional side branch stenting using drug-eluting stents should be finalized by a kissing balloon dilatation (FKBD). Therefore, we compared strategies of MV stenting with and without FKBD., Methods and Results: We randomized 477 patients with a bifurcation lesion to FKBD (n=238) or no FKBD (n=239) after MV stenting. The primary end point was major adverse cardiac events: cardiac death, non-procedure-related index lesion myocardial infarction, target lesion revascularization, or stent thrombosis within 6 months. The 6-month major adverse cardiac event rates were 2.1% and 2.5% (P=1.00) in the FKBD and no-FKBD groups, respectively. Procedure and fluoroscopy times were longer and more contrast media was needed in the FKBD group than in the no-FKBD group. Three hundred twenty-six patients had a quantitative coronary assessment. At 8 months, the rate of binary (re)stenosis in the entire bifurcation lesion (MV and side branch) was 11.0% versus 17.3% (P=0.11), in the MV was 3.1% versus 2.5% (P=0.68), and in the side branch was 7.9% versus 15.4% (P=0.039) in the FKBD versus no-FKBD groups, respectively. In patients with true bifurcation lesions, the side branch restenosis rate was 7.6% versus 20.0% (P=0.024) in the FKBD and no-FKBD groups, respectively., Conclusions: MV stenting strategies with and without FKBD were associated with similar clinical outcomes. FKBD reduced angiographic side branch (re)stenosis, especially in patients with true bifurcation lesions. The simple no-FKBD procedures resulted in reduced use of contrast media and shorter procedure and fluoroscopy times. Long-term data on stent thrombosis are needed. Clinical Trial Registration- URL: http://clinicaltrials.gov. Unique identifier: NCT00914199.