Independent Predictor Of Cardiac Death Research Articles

Electromechanical dissociation of left atrium in patients with Cardiac Amyloidosis by Magnetic Resonance: Prognostic and clinical correlates.

ObjectivesLeft atrial (LA) function is an important marker of hemodynamic status in cardiac amyloidosis (CA), and its characterization may provide relevant prognostic information. We sought to assess the prevalence and prognostic impact of LA dysfunction by cardiac magnetic resonance (CMR) in patients with CA.MethodsWe performed CMR in 80 consecutive patients with CA, including 38 with AL (47%) and 42 with ATTR (53%). LA function was assessed by acquiring short axis cine steady-state free precession (SSFP) covering the entire chamber. The atrial emptying fraction (AEF) was calculated as the ratio between the difference of LA maximal and minimal volume to LA maximal volume, expressed as percentage. Severe atrial dysfunction was defined as AEF ≤ 14%.ResultsMean AEF was 18% (13–35%). Overall, AEF ≤ 14% was present in 19 patients (24%), including 21% of those in sinus rhythm (SR) with no history of atrial fibrillation (AF). After a median of 3 years (IQR 2–4), 36 patients (44%) died of cardiac causes. Patients with AEF ≤ 14% showed increased cardiac mortality, with an independent OR of 4.2 (95 IC 2.1–8.2, P < 0.0001). Of note, AEF ≤ 14% was the stronger independent predictor of cardiac death. Patients in SR with AEF ≤ 14% had worse outcome than those with AF.ConclusionsSevere impairment of LA contractile function was present in three-quarters of patients with CA, and was prevalent irrespective of CA etiology, both in the presence and absence of AF. Severe LA dysfunction was associated with an independent 4-fold increase in risk for cardiac death at three years.

Comparison of the prognosis for different onset stage of cardiogenic shock secondary to ST-segment elevation myocardial infarction

ObjectivesThe study was conducted to evaluate the outcomes of different onset stage of cardiogenic shock (CS) in the patients with ST-segment elevation myocardial infarction (STEMI).MethodsTotal 675 STEMI patients who had undergone primary percutaneous coronary intervention (pPCI) from November 2010 to December 2017 in Nanjing Drum Tower Hospital were enrolled. According to the onset time of CS, the cohort was divided into three groups: Non-CS group, CS on admission group and Developed CS group. The short-term (30 days), middle-term (12 months) and long-term (80 months) outcomes were analyzed. COX proportional hazard models were established for identification of the predictors.ResultsThe all cause death, cardiac death and major adverse cardiac events (MACE) at 30 days were similar among the three groups. The incidence of MACE in the CS on admission group was significantly higher than the other two groups at 12 months. As to the long-term outcomes, the CS on admission group had lower survival rate than the other two groups. The Develop CS group had lower survival rate than Non-CS group numerically with a trend towards statistical significance. The incidence of cardiac death in the Non-CS group was the lowest. The incidence of MACE in the CS on admission group was much higher compared with the other two groups. After multivariate analysis, the independent predictors of all cause death included age, male sex, prior stroke and LVEF. The independent predictors of cardiac death included age, male sex, prior stroke, LVEF, CS on admission and developed CS. The independent predictors of MACE included age, prior stroke, LVEF, multivessel lesions, post-PCI TIMI grade 1 and CS on admission.ConclusionsThe long-term outcomes of CS on admission group were the worst of all. The outcomes of Developed CS group laid between the other two groups. The consequences highlighted the importance of prevention for CS developing in the STEMI patients during hospitalization.

Clinical impact of left ventricular paced conduction disturbance in cardiac resynchronization therapy

Myocardial scarring is associated with nonresponse to cardiac resynchronization therapy (CRT) and conduction delay. Little is known about the significance and cause of left ventricular (LV) paced conduction disturbance (LPCD). The purpose of this study was to investigate the clinical impact of paced interlead electrical delay and the difference in eachconduction time from LV pace to right ventricular (RV) sense (LVp-RVs) and from RV pace to LV sense (RVp-LVs) [(LVp-RVs) - (RVp-LVs)], in CRT. Among 137 patients who underwent CRT implantation, LVp-RVs and RVp-LVs were measured intraoperatively. The relationships between [(LVp-RVs) - (RVp-LVs)] and perfusion defects on myocardial perfusion single photon emission computed tomography (SPECT) imaging or [(LVp-RVs) - (RVp-LVs)] and clinical outcomes were assessed. After CRT implantation, 81 patients (59%) responded to CRT. [(LVp-RVs) - (RVp-LVs)] was significantly longer in nonresponders than in responders (9.7 ± 47.3 ms vs -4.5 ± 33.2 ms; P= .041). Patients with LPCD [(LVp-RVs) > (RVp-LVs)] had higher perfusion defects in the anterolateral region (2.7 ± 2.7 vs 1.1±1.6; P = .0015) on SPECT. Multivariate analysis showed that LPCD was the independent predictor of nonresponse to CRT (odds ratio 0.40; 95% confidence interval [CI] 0.17-0.90; P=.026). During median follow-up of 2.3 years (interquartile range 1.3-5.5), LPCD was the independent predictor of cardiac death and/or heart failure hospitalization in multivariate analysis (hazard ratio 2.04; 95% CI 1.19-3.55; P = .010). LPCD could predict nonresponse to CRT and poor outcome. Further intervention, such as adjustment of pacing timing or multipoint/site pacing, may be needed in such patients.

Impact of preinterventional tricuspid regurgitation on outcome of MitraClip therapy in patients with severely reduced ejection fraction

AimTo evaluate the impact of preinterventional moderate-to-severe functional tricuspid regurgitation (FTR) on early outcome after percutaneous edge-to-edge mitral valve repair (pMVR) with MitraClip procedures for functional mitral regurgitation (FMR) in...

Homocysteine is an independent predictor of long-term cardiac mortality in patients with stable coronary artery disease in the era of statins.

Homocysteine (Hcy) is considered a risk factor for cardiovascular disease. To explore the long-term prognostic value of Hcy in patients with stable coronary artery disease (CAD) in the era of statins. A total of 876 consecutive patients with stable CAD were recruited and followed up for a median of 6.1 years. Lipids and Hcy levels were measured at baseline. Primary endpoints were cardiac death and secondary endpoints were hospitalizations for acute coronary syndrome, myocardial revascularization, arrhythmic event or ischemic stroke. Follow-up data were obtained from 842 patients of whom 70 had a cardiac death (8.3%), while 258 (30.6%) met the secondary endpoints. Seven hundred four patients (83.6%) were on statins. In univariate Cox regression analysis Hcy predicted the occurrence of cardiac death [hazard ratio: 1.030; 95% confidence interval (CI): 1.018-1.042, P < 0.001] but not the occurrence of secondary endpoints (hazard ratio: 1.010; 95% CI: 0.999-1.020, P = 0.081). Hcy remained an independent predictor of cardiac death after adjustment for conventional risk factors, ejection fraction and statin use (hazard ratio: 1.030; 95% CI: 1.017-1.044, P < 0.001). Patients in the highest tertile of Hcy levels (>14.1 μmol/L) had three times higher risk of cardiac death compared with patients in the lowest tertile (<10.3 μmol/L) (hazard ratio = 3.036, CI: 1.983-4.649, P < 0.001). Hcy is an independent predictor of cardiac death in patients with stable CAD in the era of statins.

P1545 Predictors of survival in patients with pulmonary hypertension receiving specific vasodilator therapy

Abstract In patients with pulmonary hypertension (PH) right ventricular (RV) function is a well-recognized determinant of clinical outcome, including cardiac death. Data regarding the prognostic value of comorbidities in patients with PH are scarce. Purpose. To identify predictors of cardiac death and all-cause mortality on mid-term follow-up in PH patients receiving specific vasodilator therapy. Methods. Sixty-eight patients (40 ± 16 years, 51 women) with PH (12 with idiopathic pulmonary arterial hypertension-PAH, 32 with congenital heart disease, 10 ith connective tissue disease, 7 with chronic thromboembolic PH and 7 with other forms of PAH) treated with pulmonary vasodilators were studied. Clinical parameters (NYHA class, 6-minutes walking distance, 6MWD), biological (hemoglobin, B-type natriuretic peptide-BNP), and echocardiographic parameters of RV function (TAPSE, tissue-Doppler imaging-derived free-RV wall S- and e’-wave, RV fractional area change (FAC), Tei index, I/H, RV isovolumic acceleration-IVA) and cardiac index were assessed. RV global longitudinal strain (RV-GLS) was measured from the apical 4-chamber view as the average of 3 (free-wall) and 6 (free-wall and interventricular septum) segments by 2D speckle-tracking echocardiography. Parameters of pulmonary artery stiffness (PAS) were assessed: pulsatility, capacitance, elastic modulus, dynamic compliance. Two endpoints were defined: cardiac death and all-cause mortality. Results. PH patients were followed-up for 35 months (4-81). Comorbidities were identified in 15 patients (non-cardiac surgery, anemia, chronic kidney disease, neoplasia, respiratory infections). During follow-up, 20 patients died, 14 deaths being cardiac deaths. At univariable analysis, the following parameters correlated with all-cause mortality: age (51 ± 14 in deceased patients vs 36 ± 15 years in surviving patients, p &amp;lt; 0.001), 6MWD (262 ± 171 vs 369 ± 155 m, p = 0.015), FAC (30 ± 9 vs 38 ± 8%, p &amp;lt; 0.001), 6 segments RV-GLS (-12.3 ± 5.1 vs -15.1 ± 4.5%, p = 0.025), S-RV (9.9 ± 2.2 vs 11.4 ±2.3 cm/s, p = 0.016), TAPSE (16.3 ± 3.3 vs 18.6 ± 3.5 mm, p = 0.014), right atrial (RA) area (30.6 ± 13.1 vs 21.2 ± 8.8 cm2, p = 0.001) hemoglobin (12.9 ± 2.6 vs 15.2 ± 3.0 g/dl, p = 0.004) and BNP levels (lnBNP, 5.8 ± 1.3 vs 4.1 ± 1.4, p &amp;lt; 0.001), presence of comorbidities (10 vs 5, p = 0.001). At multivariable analysis, only comorbidities (p = 0.05) and FAC (p = 0.07) seemed to independently predict all-cause mortality. Predictors of cardiac death at univariate analysis were age, RV function parameters, RA area, PA capacitance (1.02 ± 0.56 vs 1.48 ± 0.80 ml/mmHg, p = 0.05) and cardiac index (2.48 ± 0.64 vs 3.31 ± 1.34 l/min/m2, p = 0.03) but only age (p = 0.03) and cardiac index (0.06) emerged as independent predictors of cardiac death. Conclusions: In PH patients, RV function and comorbidities predict all-cause mortality, while age and cardiac index are independent determinants of cardiac death. Identifying and properly treating associated pathologies could impact survival in this setting.

Impact of the residual SYNTAX score on clinical outcomes after percutaneous coronary intervention for patients with chronic renal insufficiency.

ObjectivesThis study demonstrated the prognostic value of the residual SYNTAX score (rSS) for patients with chronic renal insufficiency (CRI).BackgroundThe rSS has been proposed as a useful tool for quantifying and stratifying the degree and complexity of residual stenosis and predicting long‐term clinical outcomes following percutaneous coronary intervention (PCI). However, it has never been validated for patients with CRI.MethodsA total of 2,468 consecutive patients with an estimated glomerular filtration rate <90 ml/min/1.73 m2 who underwent PCI were retrospectively enrolled. Patients with rSS >0 were defined as having incomplete revascularization and were stratified into the reasonable incomplete revascularization (RICR; 0 < rSS ≤ 8) group or the incomplete revascularization (ICR; rSS >8) group. Their outcomes were compared to those of the complete revascularization (CR) group.ResultsDuring follow‐up (median, 3 years; range, 1.5–5 years), the ICR group had the highest incidence of all‐cause death, cardiac death, myocardial infarction (MI), unplanned revascularization, stroke, and major adverse cardiovascular and cerebrovascular events (MACCE). Despite having higher rates of unplanned revascularization and MACCE, RICR group had comparable all‐cause mortality, cardiac mortality, MI, and stroke with CR group. A multivariable Cox analysis indicated that rSS was an independent predictor of cardiac death, MI, unplanned revascularization, stroke, and MACCE. Furthermore, compared with baseline SYNTAX score, rSS had stronger prognostic accuracy when predicting the risk of unplanned revascularization, stroke, and MACCE at the 3‐year follow‐up.ConclusionsThe rSS is a powerful indicator of clinical outcomes and may help determine reasonable levels of revascularization for patients with CRI following PCI.

Ischemia and Bleeding in Cancer Patients Undergoing Percutaneous Coronary Intervention

ObjectivesThe purpose of this study was to evaluate ischemic and bleeding outcomes of unselected cancer patients undergoing percutaneous coronary intervention (PCI). BackgroundThe number of cancer patients undergoing PCI is increasing despite concerns regarding ischemic and bleeding risks. MethodsBetween 2009 and 2017, consecutive patients undergoing PCI were prospectively included in the Bern PCI Registry. Cancer-specific data including type, date of initial diagnosis, and health status at index PCI were collected. We performed propensity score matching to adjust for baseline differences between patients with and without cancer. The primary ischemic endpoint was the device-oriented composite endpoint (cardiac death, target vessel myocardial infarction, target lesion revascularization) at 1 year, and the primary bleeding endpoint was Bleeding Academic Research Consortium (BARC) 2 to 5 at 1 year. ResultsAmong 13,647 patients, 1,368 (10.0%) had an established diagnosis of cancer. The 3 leading cancer types were prostate (n = 294), gastrointestinal tract (n = 188), and hematopoietic (n = 177). At index PCI, 179 (13.1%) patients were receiving active cancer treatment. In matched analysis, there was no significant difference in device-oriented composite endpoint (11.5% vs. 10.2%; p = 0.251), whereas cardiac death and BARC 2 to 5 bleeding occurred more frequently among patients with cancer compared with those without cancer (6.8% vs. 4.5%; p = 0.010 and 8.0% vs. 6.0%; p = 0.026, respectively). Cancer diagnosis within 1 year before PCI emerged as an independent predictor for cardiac death and BARC 2 to 5 bleeding at 1 year. ConclusionsCancer patients carry an increased risk of cardiac mortality that was not associated with stent-related ischemic events among patients undergoing PCI in routine clinical practice. Higher risk of bleeding in cancer patients undergoing PCI deserves particular attention. (CARDIOBASE Bern PCI Registry; NCT02241291)

P5480Impact of Silent Myocardial Ischemia on One Year Mortality after Successful Coronary Intervention: Data from Japanese Multicenter (KICS) Registry

Abstract Introduction Under the awareness of appropriate use criteria, the significance of PCI for the patients with silent myocardial ischemia (SMI) decreases. On the other hand, the prognoses of SMI patients have been reported to be equivalent to those of symptomatic effort angina pectoris (EAP) patients. We aimed to clarify the prognosis of SMI after PCI and elucidate the factors influencing the mortality. Methods The Kumamoto Intervention Conference Study is multicenter registry enrolling consecutive patients undergoing PCI in 16 centers in Japan. Overall, 17,688 consecutive patients were enrolled during April 2008 to March 2017. To compare the clinical events between SMI and EAP, 8,278 subjects, excluding acute coronary syndrome, post successful PCI were enrolled with 1-year follow-up data. Results In this study, 2,071 patients were classified as SMI and 6,207 patients were EAP. Male, lower body mass index (BMI), diabetes, chronic kidney disease (CKD), smoking habits, prior myocardial infarction (MI), composite of cerebrovascular disease and composite of peripheral arterial disease were all significantly higher in the SMI group. Although nonfatal MI and stent thrombosisduring 12-monthswere comparable between the 2 groups, all-cause mortality and cardiac death during 12-months were significantly higher in the SMI group than in the EAP group (3.9% vs 1.8%, p&lt;0.001, 1.4% vs 0.5%, p&lt;0.001, respectively). On the other hand, Repeat Revascularization rate during 12-months was significantly lower in the SMI group than in the EAP group (15.7% vs 19.5%, p&lt;0.001).Kaplan-Meier analysis for cardiac death showed a significant difference between the 2 groups (Figure). In a multiple logistic regression analysis, in addition to lower BMI and CKD, SMI was an independent predictor for cardiac death. Even after adjustment by propensity-score matching with predictive factors for cardiac event, SMI showed a higher cardiac death rate compared with EAP (1.4% vs 0.5%, p=0.004), and it remained as a significant predictor. Conclusion In this study, SMI itself was associated with higher mortality after PCI. Strict follow-up and assessment of residual ischemia should be necessary for SMI patients.

Influence of cognitive impairment on cardiac mortality after percutaneous coronary intervention in very elderly patients: a retrospective observational study.

BackgroundCognitive impairment (CI) increases cardiac mortality among very elderly patients. Percutaneous coronary intervention (PCI) for ischemic heart disease (IHD) patients is considered a favorable strategy for decreasing cardiac mortality. Here, we investigated the influence of CI on cardiac mortality after PCI in very elderly patients.MethodsWe performed a retrospective observational analysis of patients who received PCI between 2012 and 2014 at the South Miyagi Medical Center, Japan. IHD patients over 80 years old who underwent the Mini-Mental State Examination for CI screening during hospitalization and/or who had been diagnosed with CI were included. Participants were divided into CI and non-CI groups, and cardiac mortality and incidence of adverse cardiac events in a 3-year follow-up period were compared between groups. Statistical analyses were performed using the t-test, χ2 test, and multivariable Cox regression analysis, with major comorbid illness and conventional cardiac risk factors as confounders.ResultsOf 565 patients, 95 were included (41 CI, 54 non-CI). Cardiac mortality during the follow-up period was significantly higher in the CI group (36%) compared with the non-CI group (13%) (OR = 4.3, 95% CI: 1.56–11.82, P < 0.05). CI was an independent cardiac prognostic factor after PCI and, for CI patients, living only with a CI partner was an independent predictor of cardiac death within three years.ConclusionsCI significantly affected cardiac prognosis after PCI in very elderly patients, particularly those living with a CI partner. To improve patients' prognoses, social background should be considered alongside conventional medical measures.

Gender Differences in Long-Term Outcomes of Medical Therapy and Successful Percutaneous Coronary Intervention for Coronary Chronic Total Occlusions.

Background There is a paucity of information about the gender differences in clinical outcomes of successful percutaneous coronary intervention (PCI) compared with medical therapy (MT) in patients with coronary chronic total occlusions (CTOs). Objectives We aimed to investigate the impact of gender on long-term clinical outcomes associated with successful CTO-PCI versus MT in patients with CTOs. Methods Between January 2007 and December 2016, a total of 1702 patients with ≥1 CTO were enrolled. After exclusion, 1294 patients with 1520 CTOs were analyzed and were divided into the female group (n = 304, 23.5%) and the male group (n = 990, 76.5%). The patients in the female or male group were assigned to a MT group or successful CTO-PCI group according to the treatment strategy. In the female group, they were divided into two groups: 177 patients in the MT group and 127 patients in the successful CTO-PCI group. In the male group, they were divided into two groups: 623 patients in the MT group and 367 patients in the successful CTO-PCI group. The primary outcome was cardiac death. The secondary outcome was major adverse cardiac event (MACE). Results The median overall follow-up duration was 3.6 (IQR, 2.1–5.0) years, there were no significant differences between the MT and successful CTO-PCI groups with respect to the prevalence of cardiac death (MT vs. successful PCI: 6.8% vs. 3.9%, p=0.287) and MACE (20.9% vs. 21.3%, p=0.810) in female patients. In the male group, the occurrence of cardiac death (MT vs. successful PCI: 6.6% vs. 3.8%, p=0.066) was similar between the two groups. The MACE rate (30.0% vs. 18.5%, p < 0.001) was significantly higher in the MT group. Heart failure (hazard ratio 3.40, 95% confidence interval 1.23–9.40, p=0.018) was an independent predictor of cardiac death in female patients. Conclusions Successful CTO-PCI was not associated with reduced risk of cardiac death compared with medical therapy alone in both female and male patients. However, men have a significant reduction in MACE rate after successful CTO-PCI. Aggressive CTO-PCI should be considered carefully among female patients.

Red blood cell distribution width as long-term prognostic markers in patients with coronary artery disease undergoing percutaneous coronary intervention

BackgroundThe aim of this study was to assess the prognostic value of red blood cell distribution width (RDW) in patients with coronary artery disease undergoing percutaneous coronary intervention (PCI).MethodsA retrospective cohort study (CORFCHD-PCI, [Identifier: ChiCTR-INR-16010153]) of 6050 patients who were hospitalized with a diagnosis of coronary artery disease (CAD) and treated with PCI from January 2008 to December 2016 were enrolled in the study. The primary outcome was long-term mortality after PCI. Clinical follow-up data of participating patients were obtained during an outpatient examination 35.9 ± 22.6 months after PCI. Demographic and clinical data and admission laboratory parameters were recorded, and patients were categorized into two groups according to RDW level (high group ≥13.1%; low group < 13.1%).ResultsMultivariate Cox regression analysis revealed RDW as an independent prognosis factor for cardiac death. The incidence of cardiac death increased 1.33 times in patients in the high RDW group (HR, 1.331; 95% CI, 1.009–1.755, P = 0.043). Kaplan–Meier survival analysis suggested that patients with high RDW tended to have an increased accumulated risk of cardiac death. However, we did not found significant differences in the incidence of long-term mortality (adjusted HR = 1.203[0.941–1.537], P = 0.140), MACCE (adjusted HR = 1.128[0.979–1.301], P = 0.096), MACE (adjusted HR = 1.155[0.994–1.341], P = 0.059), stroke, bleeding events or readmission between the two groups.ConclusionThe baseline level of RDW is an independent predictor for cardiac death in post-PCI CAD patients.

Prognostic Value of Incomplete Revascularization after Percutaneous Coronary Intervention Following Acute Coronary Syndrome: Focus on CKD Patients.

Background: Residual coronary artery disease (CAD) has been associated with worsened prognosis in patients undergoing percutaneous coronary intervention (PCI) for acute coronary syndromes (ACS). The residual SYNTAX Score (rSS) aims to assess residual CAD after PCI. The association between kidney function and rSS has not been investigated in ACS patients. In this study, we sought to determine whether chronic kidney disease (CKD) patients exhibit more incomplete revascularization following stage revascularization procedures by PCI. We evaluated the impact of incomplete revascularization on the occurrence of major cardiovascular events (MACE) at one-year follow-up. Methods: A total of 831 ACS patients undergoing PCI were divided into 3 subgroups according to their estimated Glomerular Filtration Rate (eGFR): 695 with eGFR ≥ 60 mL/min/1.73 m², 108 with eGFR 60–30 mL/min/1.73 m², 28 with eGFR < 30 mL/min/1.73 m². Initial SYNTAX score (SS) and rSS were calculated for all patients. Incomplete revascularization was defined by rSS > 8. The primary endpoint was the occurrence of MACE (all-cause mortality, myocardial infarction (MI), repeated revascularization except from planned revascularization, stroke and definite or probable recurrent stent thrombosis) one year after the index procedure. Results: Severe CKD patients had significantly higher MACE (12.0% vs. 25.9% vs. 35.7%; p < 0.001), all-cause mortality, cardiovascular mortality and heart failure events. Patients with rSS > 8 had higher MACE, all-cause and cardiovascular mortality. CKD was an independent predictive factor of rSS > 8 (HR: 1.65, 95% CI: 1.01 to 2.71; p = 0.048). Multivariate analysis identified rSS > 8, but not CKD, as an independent predictor of cardiac death and MACE. Conclusion: In ACS, CKD is predictive of incomplete revascularization, which stands out as a strong predictor of adverse cardiovascular outcomes including cardiac death and MACE.

Impacts of incomplete revascularization following off-pump coronary artery bypass grafting on clinical outcomes of patients with triple-vessel lesions: insights from a single-center study of propensity-matched data.

Although complete revascularization (CR) has been a goal of surgical revascularization, comorbidities and anatomical variables often conspire against a successful surgical CR. Currently, incomplete revascularization (IR) has been also considered as an acceptable strategy of surgical revascularization in some categories of patients. In the past decade, off-pump coronary artery bypass grafting (CABG) became one of the mainstream procedures of CABG due to its low incidence of perioperative complications. However, the magnitude of the impacts of off-pump IR on clinical outcomes of patients with triple-vessel disease remained unclear. Eligible patients who received isolated off-pump CABG with left internal mammary artery (LIMA) grafting to the left anterior descending coronary artery (LAD) in our institute from January 2011 to December 2013 were entered into an IR group or a CR group. The incidence of off-pump IR was investigated. In-hospital and follow-up outcomes were also evaluated by adjusting baseline characteristics using propensity score matching (1:1). A total of 1,349 patients (268 in the IR group and 1,081 in the CR group) were analyzed. The off-pump IR rate was 19.9%. Using matching propensity scores, 234 pairs were successfully established in a 1:1 manner. The two matched groups had similar surgical mortality and major postoperative morbidity. Multivariate Cox regression analysis showed that IR was not an independent predictor of cardiac death at follow-up (HR =1.215; 95% CI, 0.883-2.164; P=0.371). The two matched groups received a similar cumulative survival freedom from repeat revascularization in Kaplan-Meier curves (χ2=2.120, log-rank P=0.145). CR can be achieved in the majority of off-pump CABG cases. Compared with off-pump CR, off-pump IR with the LIMA grafting to the LAD was associated with acceptable clinical outcomes.

Free triiodothyronine and global registry of acute coronary events risk score on predicting long-term major adverse cardiac events in STEMI patients undergoing primary PCI

BackgroundThe aim of this study is to investigate the combined value of fT3 and GRACE risk score for cardiovascular prognosis in ST-segment elevation myocardial infarction (STEMI) undergoing primary percutaneous coronary intervention (PCI).MethodsThree hundred and thirty eight patients with STEMI who received successful primary PCI were enrolled in our study. All patients underwent (33.5 ± 7.1) month’s follow-up. Mace was defined as cardiac death and nonfatal myocardial infarction.ResultsMultivariate Cox analysis showed that both fT3 (HR = 0.462, 95%CI: 0.364–0.587, P < 0.001) and GRACE score (HR = 1.011, 95%CI: 1.004–1.018, P = 0.003) were independent predictors of Mace. Similarly, fT3 (HR = 0.495, 95%CI: 0.355–0.690, P < 0.001) and GRACE score (HR = 1.022, 95%CI: 1.011–1.034, P < 0.001) were the most important independent predictors of cardiac death. Kaplan-Meier analysis revealed that those patients with low fT3 and higher GRACE score had higher rates of Mace (Log-Rank χ2 = 25.087, P < 0.001). In ROC analysis, combining fT3 and GRACE risk score had a good area under the curve (AUC) value for Mace (AUC = 0.735, 95% CI: 0.680–0.790, P < 0.001), with net reclassification index of 11.1 and 5.3%, respectively.ConclusionThe low fT3 level, a common phenomenon, is a strong predictor of long-term poor prognosis in STEMI patients who underwent primary PCI. The combination of GRACE score and fT3 may be a more valuable predictor of Mace as compared to each measure alone.

Pathoanatomic Findings Associated With Duty-Related Cardiac Death in US Firefighters: A Case-Control Study.

BackgroundSudden cardiac death accounts for the greatest proportion of duty‐related deaths among US firefighters. Increased understanding of the pathoanatomic causes of sudden cardiac death and the risk associated with underlying cardiac pathologies is needed to develop evidence‐based screening recommendations.Methods and ResultsUsing autopsy data for duty‐related firefighter fatalities occurring between 1999 and 2014, this retrospective case–control study compared cardiac findings of male firefighters aged 18 to 65 years who died on duty of cardiac‐related causes with those who died of noncardiac trauma‐related causes. Data from 276 cardiac cases and 351 noncardiac trauma controls were analyzed. Among cardiac cases, the most prevalent (82%) underlying pathoanatomic substrate was comorbid coronary heart disease and cardiomegaly/left ventricular hypertrophy. Cardiac cases had a higher prevalence of cardiomegaly (heart weight >450 g), left ventricular hypertrophy (left ventricular wall thickness ≥1.2 cm), and severe coronary artery stenosis (≥75%) than trauma controls (all P<0.001). In multivariate analyses, heart weight >450 g, coronary artery stenosis ≥75%, and evidence of a prior myocardial infarction were strong independent predictors of cardiac death, with odds ratios of 6.1 (95% confidence interval, 3.6–10.4), 9.3 (95% confidence interval, 5.3–16.1), and 6.2 (95% confidence interval, 3.4–11.3), respectively.ConclusionsThe majority of cardiac fatalities had evidence of both coronary heart disease and increased heart mass, and each condition was independently associated with a markedly elevated risk of cardiac death. Targeted screening for coronary heart disease, increased heart mass, and evidence of prior myocardial infarction should be considered to reduce duty‐related cardiac deaths among firefighters.

Predictive value of dipyridamole myocardial perfusion tomography on survival

Dipyridamole (DIP) is the most commonly employed pharmacological stressor for myocardial perfusion tomography (SPECT) in patients unable to reach an adequate work load. To assess the predictive capacity of DIP SPECT on survival. We included 985 adults aged 66 ±11 years (45% women) with rest and DIP-SPECT. The main indications for the procedure were coronary artery disease (CAD) screening in 66% and known CAD in 33%. Participants were followed up for a median of 65 months (interquartile range 54 to 86 months). During the follow up, 261 deaths were recorded and 98% had a specified cause in their death certificate. Myocardial SPECT was abnormal in 44% of participants. Transient ischemic defects were observed in 34%, fixed defects concordant with infarction in 27% and post-stress systolic dysfunction in 23%. Twenty five percent of deaths were attributable to cardiac or ischemic cause and 22% to cancer. In a bivariate analysis, the hazard ratio (HR) of death of any cause was lower in females and higher in the presence of CAD. The multivariate analysis showed that being older than 46 years increased the HR of death of any cause. In a bivariate analysis, the HR for cardiac death was higher when the myocardial SPECT showed ischemia, necrosis or left ventricular dilation. In the multivariate analysis, post-stress left ventricular systolic function was associated with a lower risk of cardiac death. An abnormal myocardial SPECT, perfusion abnormalities, left ventricular systolic function or dilation are independent predictors of cardiac death in these participants.

The impact of incomplete revascularization on early and late outcomes in ST-elevation myocardial infarction

In ST-elevation myocardial infarction (STEMI) in patients with multivessel disease, there is a lack of consensus regarding the importance of complete revascularization and the timing of treatment of nonculprit stenoses. Our objective was to investigate the impact of incomplete revascularization in STEMI patients using the residual Synergy Between PCI with TAXUS and Cardiac Surgery score (rSS) to define completeness of revascularization. This study examined associations between incomplete revascularization, determined by the rSS, and the combined outcome of cardiac death and myocardial infarction (MI). Patients were divided into groups: rSS = 0 (complete revascularization), rSS = 1-8 (incomplete revascularization with a low burden of residual disease), or rSS >8 (incomplete revascularization with a high burden of residual disease). The rSS score was calculated in 589 consecutive patients; 25% had an rSS of 0, 42% rSS 1-8, and 33% rSS >8. At median follow-up of 3.5 years, cardiac death and MI occurred in 5% of rSS = 0 patients, 15% rSS = 1-8, and 26% with rSS >8 (P < .001). The rSS was powerful independent predictor of cardiac death and MI (hazard ratio 5.05, CI 2.89-12.00, rSS >8 vs rSS 0, P < .001 and hazard ratio 2.96, CI 1.31-6.69, rSS = 1-8 vs rSS = 0, P = .009), respectively, and an independent predictor of mortality, MI, unplanned revascularization, and major adverse cardiovascular events. In patients with STEMI, the rSS independently predicts cardiac death and MI. Patients with an rSS >8 had substantially higher rates of cardiac death or MI. The rSS can be used to define incomplete revascularization in STEMI and predict adverse outcomes.

O6-4 - Association between Spleen Volume and Clinical Outcome in Patients with Heart Failure

Introduction: A small spleen has been recognized to have an association with in-host immunologic disturbances. C-reactive protein (CRP) is one of the markers of inflammatory mediators and the predictors for prognosis in patients with heart failure (HF). However, it is unclear the relationship among spleen volume, CRP, and prognosis in patients with HF. Methods: We retrospectively enrolled 102 consecutive patients who were admitted for acute decompensated HF at 2012 and who had a computed tomography. We calculated spleen volume index (SpVi) using the prolate ellipsoid formula. Patients were stratified into 3 groups based on the tertile quantile of SpV. We followed all-cause mortality during 743 ± 517 days. Cardiac death was defined as death for worsening HF, ventricular fibrillation and sudden death. Results: There was an inverse correlation SpVi and serum levels of CRP (R = −0.29, P < .05). Kaplan-Meier curves showed that large SpVi had higher survival rates from both all-cause mortality and cardiac death. In multivariate analysis, SpVi (HR = 0.98, 95% CI 0.97–0.99; P < .01) was an independent predictor for cardiac death. Conclusion: Spleen volume is related to serum level of CRP and clinical outcome in patients with HF.

Yield of left ventricular dyssynchrony by gated SPECT MPI in patients with heart failure prior to implantable cardioverter-defibrillator or cardiac resynchronization therapy with a defibrillator: Characteristics and prediction of cardiac outcome

BackgroundMechanical left ventricular dyssynchrony (MLVD) might contribute in the therapeutic decision-making in patients with heart failure (HF) prior to cardiac resynchronization therapy (CRT). Our aim was to assess MLVD in patients with HF prior to implantable cardioverter-defibrillator (ICD) compared to patients with CRT-D. MethodsIn a prospective study, patients with LVEF ≤ 35% who were scheduled for ICD or CRT-D, underwent gated SPECT myocardial perfusion imaging with technetium 99m sestamibi within 3 months prior procedure. MLVD was measured by phase analysis. ResultsThe study cohort consisted of 143 patients, 71 with ICD and 72 with CRT-D. Age 68.3 ± 11 and LVEF 24 ± 6%. Phase standard deviation (SD) was 62.5 ± 18 and 59.7 ± 20 (P = NS), respectively. During follow-up of 23.7 ± 12.1 months, there were 10 vs 14 cardiac death in ICD and CRT-D, respectively (P = NS), hospitalization for HF, in 34 vs 53 (P < .001). In multivariate analysis, Phase SD was the independent predictor for cardiac death [HR 2.66 (95% CI 1.046-6.768), P = .04]. Kaplan-Meier curves of phase SD of 60° significantly identified ICD patients with and without cardiac deaths and hospitalization for HF exacerbation. ConclusionsMLVD by phase SD can identify patients with cardiac events and predict cardiac death in patients treated with ICD.