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Jafree E, Del Buono MG, Canada JM, Carbone S, Kron J, Arena R, Van Tassell B, Abbate A, Trankle CR. Interleukin-1 Inhibition for the Prevention and Treatment of Heart Failure. J Cardiovasc Pharmacol 2024; 83:522-530. [PMID: 37815298 PMCID: PMC11004086 DOI: 10.1097/fjc.0000000000001497] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/08/2023] [Accepted: 09/27/2023] [Indexed: 10/11/2023]
Abstract
ABSTRACT Heart failure (HF) is a complex syndrome that remains a leading cause of morbidity and mortality worldwide. Abundant evidence suggests inflammation plays a key role in the development and perpetuation of HF, but there are currently no anti-inflammatory treatments approved for use in HF. Interleukin-1, the prototypical proinflammatory cytokine, has been implicated in adverse cardiac remodeling and left ventricular dysfunction. Multiple early phase clinical trials using interleukin-1 blockade in patients at risk for or diagnosed with HF have suggested favorable safety and efficacy in reducing inflammatory biomarkers, as well as positive signals in surrogate and clinical end points. Additional large scale clinical trials are urgently needed to confirm the safety and efficacy of this therapeutic approach specifically in HF. In this narrative review, we discuss current evidence regarding interleukin-1 blockade in the prevention and treatment of HF.
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Corna G, Golino M, Talasaz AH, Moroni F, Del Buono MG, Damonte JI, Chiabrando JG, Mbualungu J, Trankle CR, Thomas GK, Markley R, Canada JM, Turlington J, Agatiello CR, VAN Tassell B, Abbate A. Response to interleukin-1 blockade with anakinra in women and men with ST-segment elevation myocardial infarction. Minerva Cardiol Angiol 2024; 72:67-75. [PMID: 37987681 DOI: 10.23736/s2724-5683.23.06439-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2023]
Abstract
BACKGROUND Interleukin-1 blockade with anakinra reduces high-sensitivity C-reactive protein (hsCRP) levels and prevents heart failure (HF) events after ST-segment myocardial infarction (STEMI). Sex-based differences in STEMI patients have been reported, but no data are available regarding response to anakinra. METHODS We analyzed the systemic inflammation and composite end-point of new-onset HF or death in women and men with STEMI treated with anakinra from three different Virginia Commonwealth University Anakinra Response Trial (VCUART) randomized clinical trials. RESULTS We analyzed 139 patients, 29 (21%) were women while 110 (79%) were men. Baseline hsCRP was higher in women compared to men (8.9 [5.2-13.5] vs. 4.2 [2.1-7.7] mg/L, P<0.001). Eighty-four patients were treated with anakinra (22 [75%] women and 62 [56%] men). The area under the curve of hsCRP (hsCRP-AUC) after 14 days was numerically lower in patients receiving anakinra versus placebo both in men (86 [37-130] vs. 223 [119-374] mg day/L) and in women (73 [46-313] vs. 242 [102-988] mg day/L) (P<0.001 for multiple groups, P for interaction 0.22). The incidence of the composite endpoint was also numerically lower in the anakinra group compared to placebo, both in men (4 [6.4%] vs. 14 [29.1%]) and in women (3 [13.6%] vs. 2 [28.5%]) (P=0.019 for multiple groups, P for interaction 0.44). There were no statistically significant differences between women and men in hsCRP-AUC and death or HF events when comparing separately the anakinra and placebo groups (all P>0.05). CONCLUSIONS Women were underrepresented in the VCUART trials, they appeared to have higher hsCRP levels at time of presentation, yet to benefit similar to men by treatment with anakinra in STEMI.
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Rosu-Bubulac M, Trankle CR, Mankad P, Grizzard JD, Ellenbogen KA, Jordan JH, Weiss E. Institutional experience report on the target contouring workflow in the radiotherapy department for stereotactic arrhythmia radioablation delivered on conventional linear accelerators. Strahlenther Onkol 2024; 200:83-96. [PMID: 37872398 DOI: 10.1007/s00066-023-02159-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2023] [Accepted: 09/17/2023] [Indexed: 10/25/2023]
Abstract
PURPOSE In stereotactic arrhythmia radioablation (STAR), the target is defined using multiple imaging studies and a multidisciplinary team consisting of electrophysiologist, cardiologist, cardiac radiologist, and radiation oncologist collaborate to identify the target and delineate it on the imaging studies of interest. This report describes the workflow employed in our radiotherapy department to transfer the target identified based on electrophysiology and cardiology imaging to the treatment planning image set. METHODS The radiotherapy team was presented with an initial target in cardiac axes orientation, contoured on a wideband late gadolinium-enhanced (WB-LGE) cardiac magnetic resonance (CMR) study, which was subsequently transferred to the computed tomography (CT) scan used for treatment planning-i.e., the average intensity projection (AIP) image set derived from a 4D CT-via an axial CMR image set, using rigid image registration focused on the target area. The cardiac and the respiratory motion of the target were resolved using ciné-CMR and 4D CT imaging studies, respectively. RESULTS The workflow was carried out for 6 patients and resulted in an internal target defined in standard anatomical orientation that encompassed the cardiac and the respiratory motion of the initial target. CONCLUSION An image registration-based workflow was implemented to render the STAR target on the planning image set in a consistent manner, using commercial software traditionally available for radiation therapy.
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Corna G, Golino M, Moroni F, Del Buono MG, Talasaz AH, Decotto S, Mbualungu J, Trankle CR, Thomas GK, Markley R, Canada JM, Turlington J, Agatiello CR, Keen L, Van Tassell B, Abbate A. Response to Interleukin-1 Blockade With Anakinra in Black and White Americans With ST-Segment Elevation Myocardial Infarction. Am J Cardiol 2023; 207:336-338. [PMID: 37774475 PMCID: PMC10840676 DOI: 10.1016/j.amjcard.2023.08.175] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/27/2023] [Accepted: 08/27/2023] [Indexed: 10/01/2023]
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Shrestha DB, Dawadi S, Dhakal B, Shtembari J, Patel T, Shaikh R, Bodziock GM, Shantha G, Trankle CR, Patel NK. Direct oral anticoagulants (DOAC) versus vitamin K antagonist in left ventricular thrombus: An updated meta-analysis. Health Sci Rep 2023; 6:e1736. [PMID: 38028683 PMCID: PMC10667961 DOI: 10.1002/hsr2.1736] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2023] [Revised: 10/29/2023] [Accepted: 11/06/2023] [Indexed: 12/01/2023] Open
Abstract
Background and Aims Current clinical guidelines for treating left ventricular thrombus (LVT) are limited by inadequate evidence to inform the comparative efficacy of oral anticoagulants. In this meta-analysis, we aimed to compare the efficacy and safety of direct oral anticoagulants (DOAC) to vitamin K antagonists (VKA) in patients with LVT. Methods Four standard databases were searched for relevant literature comparing the efficacy and safety between DOAC and VKA for LVT treatment, published before August 19, 2023. Both the randomized controlled trials and observational studies were included in the analysis. The outcomes of interest were the resolution of LVT, all-cause mortality, stroke, systemic embolism, and bleeding. Data from the selected studies were extracted and analyzed using RevMan 5.4 using odds ratio. Results Among 3959 studies from the database search and bibliography review, 33 were included in the analysis. LVT resolution was observed in 72.59% in the DOAC group versus 67.49% in the VKA group (odds ratio [OR]: 1.28, confidence interval [CI]: 1.07-1.53). Mortality was lower in the DOAC group (11.71% vs. 18.56%) (OR: 0.60, CI: 0.36-1.00; borderline statistical significance). Likewise, bleeding events (9.60% vs. 13.19%) (OR: 0.65, CI: 0.52-0.81) and stroke (7.54% vs. 11.04%) (OR: 0.71, CI: 0.53-0.96) were also significantly lower in the DOAC group. Conclusion DOAC use for LVT showed better thrombus resolution and reduced risk of bleeding and stroke compared to VKA. Likewise, DOAC use was associated with lower mortality with borderline statistical significance.
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Thomas GK, Del Buono MG, Damonte JI, Moroni F, Mihalick V, Billingsley HE, Vecchiè A, Trankle CR, Talasaz A, Carbone S, Markley R, Turlington J, Duncan P, Lu J, Arena R, VAN Tassell B, Abbate A, Canada JM. Contribution of hemoglobin concentration to cardiorespiratory fitness in black African American patients with recently decompensated heart failure and reduced ejection fraction. Minerva Cardiol Angiol 2023; 71:456-462. [PMID: 36468765 DOI: 10.23736/s2724-5683.22.06226-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/20/2023]
Abstract
BACKGROUND Previous studies have shown that patients with heart failure with reduced ejection fraction (HFrEF) and anemia have reduced peak oxygen consumption (VO2). Black or African American (B-AA) patients have a higher prevalence of anemia and are underrepresented in clinical studies of HFrEF. The aim of this study was to determine the contribution of hemoglobin to peak VO2 in B-AA patients recently hospitalized for acute decompensated HFrEF. METHODS We analyzed cardiopulmonary exercise testing (CPX) data measured within two weeks of discharge for acute decompensated HF in B-AA patients with HFrEF (left ventricular ejection fraction [LVEF] ≤40%) without severe anemia (Hb<8 g/dL). Blood samples were collected prior to CPX. Data are reported as median [interquartile range] and compared between groups with the Mann-Whitney, Chi-Square, and Spearman's rank tests. RESULTS We included 81 patients; 27 (33%) women, 57 [27-79] years of age, Body Mass Index of 33 [15-55] kg/m2 and LVEF of 30 [23-36] %. Hemoglobin ranged between 9.1 to 18.1 g/dL (median= 13.3 [11.9-14.5] g/dL); 26 (32%) were considered to have anemia based on a Hb concentration of males <13 g/dL and females <12 g/dL. Peak VO2 was lower in patients with anemia (11.8 [10.0-14.2] vs. 14.1 [10.6-17.0] mL·kg-1·min-1; P=0.010) with a significant correlation between peak VO2 and hemoglobin concentration (R=+0.455; P<0.001). CONCLUSIONS Anemia is prevalent among B-AA patients with recently decompensated HFrEF and appears to be a significant contributor to reductions in peak VO2.
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Talasaz AH, Sculthorpe R, Pak M, Lipinski M, Roberts C, Markley R, Trankle CR, Canada JM, Wohlford GF, Golino M, Dixon D, Van Tassell BW, Abbate A. Comparison of Safety and Biological Efficacy of Anakinra (Kineret) Dispensed in Polycarbonate Plastic versus Borosilicate Glass Syringes: A Patient-Level Analysis of VCUART2 and VCUART3 Clinical Trials. J Pharmacol Exp Ther 2023; 386:138-142. [PMID: 36868827 PMCID: PMC10353132 DOI: 10.1124/jpet.122.001404] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2022] [Revised: 02/09/2023] [Accepted: 02/16/2023] [Indexed: 03/05/2023] Open
Abstract
Anakinra is a recombinant human interleukin-1 receptor antagonist approved for the treatment of inflammatory diseases. Kineret is available as a solution prepared in a borosilicate glass syringe. For implementing a placebo-controlled double-blind randomized clinical trial, anakinra is commonly transferred into plastic syringes. However, there is limited data on anakinra's stability in polycarbonate syringes. We described the results of our previous studies on the use of anakinra in glass (VCUART3) versus plastic syringes (VCUART2) compared with placebo. These studies were conducted in patients with ST-segment elevation myocardial infarction (STEMI), and we assessed the anti-inflammatory effects of anakinra versus placebo by comparing the area under the curve for high-sensitivity cardiac reactive protein (AUC-CRP) levels during the first 14 days of STEMI, its clinical effects on heart failure (HF) hospitalization, cardiovascular death, or new diagnosis of HF as well as adverse events profile between groups. The levels of AUC-CRP were 75 (50-255 mg·day/l) for anakinra in plastic syringes versus 255 (116-592 mg·day/l) in placebo and 60 (24-139 mg·day/l) and 86 (43-123 mg·day/l) for anakinra once and twice daily in glass syringes, respectively, compared with placebo 214 (131-394 mg·day/l). The rate of adverse events was also comparable between groups. There were no differences in the rate of HF hospitalization or cardiovascular death in patients who received anakinra in plastic or glass syringes. Fewer cases of new-onset heart failure occurred in patients receiving anakinra in plastic or glass syringes compared with placebo. Anakinra stored in plastic (polycarbonate) syringes provides comparable biologic and clinical effect to glass (borosilicate) syringes. SIGNIFICANCE STATEMENT: Anakinra (Kineret) 100 mg administered subcutaneously in patients with ST-segment elevation myocardial infarction (STEMI) for a duration of up to 14 days appears to have comparable safety and biological efficacy signals when delivered in prefilled glass or transferred into plastic polycarbonate syringes. This may have important implications for the feasibility of designing clinical trials in STEMI and other clinical conditions.
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Del Buono MG, Damonte JI, Moroni F, Chiabrando JG, Markley R, Turlington J, Trankle CR, Kang L, Biondi-Zoccai G, Kontos MC, Roberts CS, Van Tassell BW, Abbate A. Clinical and Pharmacological Implications of Time to Treatment with Interleukin-1 Blockade in ST-Segment Elevation Myocardial Infarction. J Pharmacol Exp Ther 2023; 386:156-163. [PMID: 37037651 PMCID: PMC10353076 DOI: 10.1124/jpet.123.001601] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2023] [Revised: 03/24/2023] [Accepted: 03/31/2023] [Indexed: 04/12/2023] Open
Abstract
Interleukin-1 (IL-1) blockade with anakinra given within 12 hours from reperfusion has been shown to reduce the inflammatory response as well as prevent heart failure (HF) events in patients with STEMI. We sought to determine whether time-to-treatment influences the efficacy of anakinra on systemic inflammation and incidence of HF events in patients with STEMI. We divided the cohort in two groups base6d on the median time from percutaneous coronary intervention (PCI) to investigational drug, and analyzed the effects of anakinra on the area-under-the-curve for C reactive protein (AUC-CRP) and on incidence of the composite endpoint of death or new onset HF. We analyzed data from 139 patients: 84 (60%) treated with anakinra and 55 (40%) with placebo. The median time from PCI to investigational treatment was 271 (182-391) minutes. The AUC-CRP was significantly higher in patients receiving placebo versus anakinra both in those with time from PCI to treatment <271 minutes (222.6 [103.9-325.2] vs. 78.4 [44.3-131.2], P < 0.001) and those with time from PCI to treatment ≥271 minute (235.2 [131.4-603.4] vs. 75.5 [38.9-171.9], P < 0.001) (P > 0.05 for interaction). Anakinra significantly reduced the combined endpoint of death or new onset HF in patients with time from PCI to treatment <271 minutes (5 [11%] vs. 9n[36%], log-rank χ 2 5.985, P = 0.014) as well as in patients with time from PCI to drug ≥271 minutes (2n[5%] vs. 7 [23%], log-rank χ 2 3.995, P = 0.046) (P > 0.05 for interaction). IL-1 blockade with anakinra blunts the acute systemic inflammatory response and prevents HF events independent of time-to-treatment. SIGNIFICANCE STATEMENT: In patients with ST segment elevation presenting within 12 hours of pain onset and treated within 12 hours of reperfusion, interleukin-1 blockade with anakinra blunts the acute systemic inflammatory response, a surrogate of interleukin-1 activity, and prevents heart failure events independent of time-to-treatment.
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Canada JM, McCarty J, Jordan JH, Trankle CR, DeCamp K, West JD, Reynolds MA, Myers R, Sweat K, McGhee V, Arena R, Abbate A, Hundley WG. Simultaneous exercise stress cardiac magnetic resonance and cardiopulmonary exercise testing to elucidate the Fick components of aerobic exercise capacity: a feasibility and reproducibility study and pilot study in hematologic cancer survivors. CARDIO-ONCOLOGY (LONDON, ENGLAND) 2023; 9:31. [PMID: 37430330 PMCID: PMC10331991 DOI: 10.1186/s40959-023-00182-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/20/2023] [Accepted: 06/15/2023] [Indexed: 07/12/2023]
Abstract
BACKGROUND Patients treated for hematologic malignancy often experience reduced exercise capacity and increased fatigue; however whether this reduction is related to cardiac dysfunction or impairment of skeletal muscle oxygen extraction during activity is unknown. Cardiopulmonary exercise testing (CPET) coupled with stress cardiac magnetic resonance (ExeCMR), may provide a noninvasive method to identify the abnormalities of cardiac function or skeletal muscle oxygen extraction. This study was performed to determine the feasibility and reproducibility of a ExeCMR + CPET technique to measure the Fick components of peak oxygen consumption (VO2) and pilot its discriminatory potential in hematologic cancer patients experiencing fatigue. METHODS We studied 16 individuals undergoing ExeCMR to determine exercise cardiac reserve with simultaneous measures of VO2. The arteriovenous oxygen content difference (a-vO2diff) was calculated as the quotient of VO2/cardiac index (CI). Repeatability in measurements of peak VO2, CI, and a-vO2diff was assessed in seven healthy controls. Finally, we measured the Fick determinants of peak VO2 in hematologic cancer survivors with fatigue (n = 6) and compared them to age/gender-matched healthy controls (n = 6). RESULTS Study procedures were successfully completed without any adverse events in all subjects (N = 16, 100%). The protocol demonstrated good-excellent test-retest reproducibility for peak VO2 (intraclass correlation coefficient [ICC] = 0.992 [95%CI:0.955-0.999]; P < 0.001), peak CI (ICC = 0.970 [95%CI:0.838-0.995]; P < 0.001), and a-vO2diff (ICC = 0.953 [95%CI:0.744-0.992]; P < 0.001). Hematologic cancer survivors with fatigue demonstrated a significantly lower peak VO2 (17.1 [13.5-23.5] vs. 26.0 [19.7-29.5] mL·kg-1·min-1, P = 0.026) and lower peak CI (5.0 [4.7-6.3] vs. 7.4 [7.0-8.8] L·min-1/m2, P = 0.004) without a significant difference in a-vO2diff (14.4 [11.8-16.9] vs. 13.6 [10.9-15.4] mLO2/dL, P = 0.589). CONCLUSIONS Noninvasive measurement of peak VO2 Fick determinants is feasible and reliable with an ExeCMR + CPET protocol in those treated for a hematologic malignancy and may offer insight into the mechanisms of exercise intolerance in those experiencing fatigue.
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Omidi A, Weiss E, Trankle CR, Rosu-Bubulac M, Wilson JS. Quantitative assessment of radiotherapy-induced myocardial damage using MRI: a systematic review. CARDIO-ONCOLOGY (LONDON, ENGLAND) 2023; 9:24. [PMID: 37202766 DOI: 10.1186/s40959-023-00175-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/15/2022] [Accepted: 04/25/2023] [Indexed: 05/20/2023]
Abstract
PURPOSE To determine the role of magnetic resonance imaging (MRI)-based metrics to quantify myocardial toxicity following radiotherapy (RT) in human subjects through review of current literature. METHODS Twenty-one MRI studies published between 2011-2022 were identified from available databases. Patients received chest irradiation with/without other treatments for various malignancies including breast, lung, esophageal cancer, Hodgkin's, and non-Hodgkin's lymphoma. In 11 longitudinal studies, the sample size, mean heart dose, and follow-up times ranged from 10-81 patients, 2.0-13.9 Gy, and 0-24 months after RT (in addition to a pre-RT assessment), respectively. In 10 cross-sectional studies, the sample size, mean heart dose, and follow-up times ranged from 5-80 patients, 2.1-22.9 Gy, and 2-24 years from RT completion, respectively. Global metrics of left ventricle ejection fraction (LVEF) and mass/dimensions of cardiac chambers were recorded, along with global/regional values of T1/T2 signal, extracellular volume (ECV), late gadolinium enhancement (LGE), and circumferential/radial/longitudinal strain. RESULTS LVEF tended to decline at >20 years follow-up and in patients treated with older RT techniques. Changes in global strain were observed after shorter follow-up (13±2 months) for concurrent chemoradiotherapy. In concurrent treatments with longer follow-up (8.3 years), increases in left ventricle (LV) mass index were correlated with LV mean dose. In pediatric patients, increases in LV diastolic volume were correlated with heart/LV dose at 2 years post-RT. Regional changes were observed earlier post-RT. Dose-dependent responses were reported for several parameters, including: increased T1 signal in high-dose regions, a 0.136% increase of ECV per Gy, progressive increase of LGE with increasing dose at regions receiving >30 Gy, and correlation between increases in LV scarring volume and LV mean/V10/V25 Gy dose. CONCLUSION Global metrics only detected changes over longer follow-up, in older RT techniques, in concurrent treatments, and in pediatric patients. In contrast, regional measurements detected myocardial damage at shorter follow-up and in RT treatments without concurrent treatment and had greater potential for dose-dependent response. The early detection of regional changes suggests the importance of regional quantification of RT-induced myocardial toxicity at early stages, before damage becomes irreversible. Further works with homogeneous cohorts are required to examine this matter.
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Trankle CR. Editorial for "Prognostic Value of Left Atrial Reservoir Strain in Left Ventricular Myocardial Noncompaction: A 3.0 T Cardiac Magnetic Resonance Feature Tracking Study". J Magn Reson Imaging 2023; 57:576-577. [PMID: 35715896 DOI: 10.1002/jmri.28309] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2022] [Accepted: 06/06/2022] [Indexed: 01/20/2023] Open
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Trankle CR, Rodriguez Lozano PF, Mahoney PD, Haughey S, May JF, Rombaoa P, Miller L, Lim S, Gertz ZM. Impact of transcatheter mitral valve edge-to-edge repair on atrial fibrillation burden: Insights from a multicenter cohort. Pacing Clin Electrophysiol 2023; 46:195-197. [PMID: 36450156 DOI: 10.1111/pace.14626] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/05/2022] [Revised: 10/24/2022] [Accepted: 11/15/2022] [Indexed: 12/05/2022]
Abstract
BACKGROUND Patients with significant mitralregurgitation (MR) often experience atrial fibrillation (AF). The effects of transcatheter edge-to-edge repair (TEER) for MR on AF burden is unknown. METHODS Patients who underwent TEER atthree institutions who also had a cardiac implantable electronic device with aright atrial lead were retrospectively identified. In patients with baseline AF, device data onAF burden and echocardiographic changes were recorded at baseline and 3- and 12-month follow up time points when available. Data is expressed as number (%) and median (interquartile range), withpaired values analyzed using the Wilcoxon signed-rank test. RESULTS Overall 66 patients wereidentified, of whom 54 (82%) had baseline data on AF available for review. Of these, 18 (33%) had a baseline burden ofAF (median burden 100% [54-100%]). Patients were 77 (71-83) years old, 10 (56%) male, 14 (78%) White, and 3 (17%) Black. A significant reduction in AF burdenwas observed at 3 months (11 patients, p = 0.03) which did not retainsignificance at 12 months (8 patients, p = 0.69). Indexed maximal left atrial volumes did not significantly change inthose with paired studies available (p > 0.35 for both time points). CONCLUSIONS In this multicenter cohort, one thirdof patients with severe MR undergoing TEER had an AF burden at baseline, whichwas found to be significantly lower at 3 month follow up. Further investigation is needed to confirm thefindings of this small cohort and determine its effects on downstream sequelaeof AF.
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Canada JM, Weiss E, Grizzard JD, Trankle CR, Gharai LR, Dana F, Buckley LF, Carbone S, Kadariya D, Ricco A, Jordan JH, Evans RK, Garten RS, Van Tassell BW, Hundley WG, Abbate A. Influence of extracellular volume fraction on peak exercise oxygen pulse following thoracic radiotherapy. CARDIO-ONCOLOGY 2022; 8:1. [PMID: 35042565 PMCID: PMC8764840 DOI: 10.1186/s40959-021-00127-6] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/08/2021] [Accepted: 11/30/2021] [Indexed: 12/20/2022]
Abstract
Background Radiation-induced myocardial fibrosis increases heart failure (HF) risk and is associated with a restrictive cardiomyopathy phenotype. The myocardial extracellular volume fraction (ECVF) using contrast-enhanced cardiac magnetic resonance (CMR) quantifies the extent of fibrosis which, in severe cases, results in a noncompliant left ventricle (LV) with an inability to augment exercise stroke volume (SV). The peak exercise oxygen pulse (O2Pulse), a noninvasive surrogate for exercise SV, may provide mechanistic insight into cardiac reserve. The relationship between LV ECVF and O2Pulse following thoracic radiotherapy has not been explored. Methods Patients who underwent thoracic radiotherapy for chest malignancies with significant incidental heart dose (≥5 Gray (Gy), ≥10% heart) without a pre-cancer treatment history of HF underwent cardiopulmonary exercise testing to determine O2Pulse, contrast-enhanced CMR, and N-terminal pro-brain natriuretic peptide (NTproBNP) measurement. Multivariable-analyses were performed to identify factors associated with O2Pulse normalized for age/gender/anthropometrics. Results Thirty patients (median [IQR] age 63 [57–67] years, 18 [60%] female, 2.0 [0.6–3.8] years post-radiotherapy) were included. The peak VO2 was 1376 [1057–1552] mL·min− 1, peak HR = 150 [122–164] bpm, resulting in an O2Pulse of 9.2 [7.5–10.7] mL/beat or 82 (66–96) % of predicted. The ECVF, LV ejection fraction, heart volume receiving ≥10 Gy, and NTproBNP were independently associated with %O2Pulse (P < .001). Conclusions In patients with prior radiotherapy heart exposure, %-predicted O2Pulse is inversely associated markers of diffuse fibrosis (ECVF), ventricular wall stress (NTproBNP), radiotherapy heart dose, and positively related to LV function. Increased LV ECVF may reflect a potential etiology of impaired LV SV reserve in patients receiving thoracic radiotherapy for chest malignancies. Supplementary Information The online version contains supplementary material available at 10.1186/s40959-021-00127-6.
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Kwiatkowski SG, Gertz ZM, Grizzard JD, Rezai Gharai L, Tchoukina I, Trankle CR. Right Atrial Compression From Biodebris Associated With Long-Term Left Ventricular Assist Device Support. JACC Case Rep 2022; 4:101656. [PMID: 36507294 PMCID: PMC9730033 DOI: 10.1016/j.jaccas.2022.08.047] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2022] [Revised: 08/03/2022] [Accepted: 08/15/2022] [Indexed: 11/08/2022]
Abstract
Biodebris surrounding HVAD (Medtronic) intrapericardial centrifugal-flow left ventricular assist device outflow cannulas is common and appears to accumulate over time. We recently encountered 2 patients on long-term HVAD support with right atrial compression from such biodebris, prompting a review of our institution's HVAD cohort to better understand this phenomenon. (Level of Difficulty: Intermediate.).
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Miller L, Airapetov S, Pillai A, Kalahasty G, Ellenbogen KA, Gregory Hundley W, Trankle CR. Hemodynamic response and safety of vasodilator stress cardiovascular magnetic resonance in patients with permanent pacemakers or implantable cardioverter-defibrillators. J Cardiovasc Electrophysiol 2022; 33:2127-2135. [PMID: 35842792 PMCID: PMC9561044 DOI: 10.1111/jce.15630] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/04/2022] [Revised: 05/20/2022] [Accepted: 06/13/2022] [Indexed: 01/01/2023]
Abstract
INTRODUCTION Vasodilator stress cardiovascular magnetic resonance (CMR) is a powerful diagnostic modality, but data toward its use in patients with permanent pacemakers (PPMs) or implantable cardioverter-defibrillators (ICDs) is limited. METHODS AND RESULTS Patients with ICDs (>1% pacing) or PPMs who underwent regadenoson single photon emission computed tomography (SPECT) and all patients with ICDs or PPMs who underwent stress CMR were retrospectively identified. SPECT tests were analyzed for hemodynamic responses and new pacing requirements; CMR studies were examined for safety, device characteristics and programming, hemodynamic responses, and image quality. Changes from baseline were evaluated with the Related-Samples Wilcoxon Signed Rank Test. Of 67 patients (median age 65 [IQR 58-72] years, 31 [46%] female, 31 [46%] Black), 47 underwent SPECT and 20 CMR. With regadenoson SPECT, 89% of patients experienced tachycardic responses above resting heart rates (+19 [13-32] beats per minute, p < .01). During stress CMR, 10 (50%) devices were asynchronously paced approximately 10 beats per minute above resting rates, and the remaining were temporarily deactivated. Those with asynchronous pacing had no changes in heart rates, whereas patients with deactivated devices had near uniform heart rate accelerations. Image quality was diagnostic in the majority of stress CMR sequences, with nonconditional ICDs contributing 40 of 57 (70%) of nondiagnostic segments. CONCLUSION This data supports the safety of vasodilator stress CMR with promising diagnostic quality images in patients with CMR conditional ICDs and PPMs. Despite a near uniform tachycardic response to regadenoson in the SPECT environment, high rates of asynchronous pacing during vasodilator stress CMR did not result in competitive pacing or adverse arrhythmic events. Further studies are needed to validate these findings and confirm the diagnostic and prognostic performance of stress CMR in these individuals.
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Billingsley HE, Del Buono MG, Canada JM, Kim Y, Damonte JI, Trankle CR, Halasz G, Mihalick V, Vecchié A, Markley RR, Kadariya D, Bressi E, De Chazal HM, Chiabrando JG, Mbualungu J, Turlington J, Arena R, Van Tassell BW, Abbate A, Carbone S. Sarcopenic Obesity Is Associated With Reduced Cardiorespiratory Fitness Compared With Nonsarcopenic Obesity in Patients With Heart Failure With Reduced Ejection Fraction. Circ Heart Fail 2022; 15:e009518. [PMID: 36098058 PMCID: PMC9588574 DOI: 10.1161/circheartfailure.122.009518] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/14/2022] [Accepted: 07/08/2022] [Indexed: 11/16/2022]
Abstract
BACKGROUND Sarcopenia impairs cardiorespiratory fitness (CRF) in patients with heart failure with reduced ejection fraction (HFrEF). Obesity has also been shown to impair CRF; however, the effects of sarcopenia on CRF in patients with obesity and HFrEF are unknown. The aim of this analysis was to examine differences in CRF between patients with sarcopenic obesity (SO) and non-SO (NSO) with HFrEF. We also assessed associations between skeletal muscle mass index (SMMI) and CRF. METHODS Forty patients with HFrEF and obesity underwent cardiopulmonary exercise testing to collect measures of CRF including peak oxygen consumption (VO2), circulatory power, oxygen uptake efficiency slope, O2 pulse, and exercise time. Body composition was performed in all patients using bioelectrical impedance analysis to quantify fat mass index and divide patients into SO and NSO based on SMMI cutoffs. Results are presented as mean (SD) or median [interquartile range] as appropriate. RESULTS Nearly half (43% [n=17]) of patients had SO. Patients with SO had a lower SMMI than those with NSO, and no differences in fat mass index were observed between groups. Those with SO achieved a lower absolute peak VO2 (NSO, 1.62±0.53 L·min-1 versus SO, 1.27±0.44 L·min-1, P=0.035), oxygen uptake efficiency slope (NSO, 1.92±0.59 versus SO, 1.54±0.48, P=0.036), and exercise time (NSO, 549±198 seconds versus SO, 413±140 seconds, P=0.021) compared to those with NSO. On multivariate analysis, SMMI remained a significant predictor of absolute peak VO2 when adjusted for age, sex, adiposity, and HF severity. CONCLUSIONS In patients with HFrEF and obesity, sarcopenia, defined as low SMMI, is associated with a clinically significant reduction in CRF, independent of adiposity.
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Ammirati E, Raimondi F, Piriou N, Sardo Infirri L, Mohiddin SA, Mazzanti A, Shenoy C, Cavallari UA, Imazio M, Aquaro GD, Olivotto I, Pedrotti P, Sekhri N, Van de Heyning CM, Broeckx G, Peretto G, Guttmann O, Dellegrottaglie S, Scatteia A, Gentile P, Merlo M, Goldberg RI, Reyentovich A, Sciamanna C, Klaassen S, Poller W, Trankle CR, Abbate A, Keren A, Horowitz-Cederboim S, Cadrin-Tourigny J, Tadros R, Annoni GA, Bonoldi E, Toquet C, Marteau L, Probst V, Trochu JN, Kissopoulou A, Grosu A, Kukavica D, Trancuccio A, Gil C, Tini G, Pedrazzini M, Torchio M, Sinagra G, Gimeno JR, Bernasconi D, Valsecchi MG, Klingel K, Adler ED, Camici PG, Cooper LT. Acute Myocarditis Associated With Desmosomal Gene Variants. JACC. HEART FAILURE 2022; 10:714-727. [PMID: 36175056 DOI: 10.1016/j.jchf.2022.06.013] [Citation(s) in RCA: 24] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/29/2022] [Revised: 05/24/2022] [Accepted: 06/01/2022] [Indexed: 06/16/2023]
Abstract
BACKGROUND The risk of adverse cardiovascular events in patients with acute myocarditis (AM) and desmosomal gene variants (DGV) remains unknown. OBJECTIVES The purpose of this study was to ascertain the risk of death, ventricular arrhythmias, recurrent myocarditis, and heart failure (main endpoint) in patients with AM and pathogenic or likely pathogenetic DGV. METHODS In a retrospective international study from 23 hospitals, 97 patients were included: 36 with AM and DGV (DGV[+]), 25 with AM and negative gene testing (DGV[-]), and 36 with AM without genetics testing. All patients had troponin elevation plus findings consistent with AM on histology or at cardiac magnetic resonance (CMR). In 86 patients, CMR changes in function and structure were re-assessed at follow-up. RESULTS In the DGV(+) AM group (88.9% DSP variants), median age was 24 years, 91.7% presented with chest pain, and median left ventricular ejection fraction (LVEF) was 56% on CMR (P = NS vs the other 2 groups). Kaplan-Meier curves demonstrated a higher risk of the main endpoint in DGV(+) AM compared with DGV(-) and without genetics testing patients (62.3% vs 17.5% vs 5.3% at 5 years, respectively; P < 0.0001), driven by myocarditis recurrence and ventricular arrhythmias. At follow-up CMR, a higher number of late gadolinium enhanced segments was found in DGV(+) AM. CONCLUSIONS Patients with AM and evidence of DGV have a higher incidence of adverse cardiovascular events compared with patients with AM without DGV. Further prospective studies are needed to ascertain if genetic testing might improve risk stratification of patients with AM who are considered at low risk.
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Del Buono MG, Damonte JI, Chiabrando JG, Markley R, Turlington J, Trankle CR, Kang L, Biondi-Zoccai G, Van Tassell BW, Abbate A. Effect of IL-1 Blockade With Anakinra on Heart Failure Outcomes in Patients With Anterior Versus Nonanterior ST Elevation Myocardial Infarction. J Cardiovasc Pharmacol 2022; 79:774-780. [PMID: 35170493 PMCID: PMC9177574 DOI: 10.1097/fjc.0000000000001240] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/01/2021] [Accepted: 01/22/2022] [Indexed: 11/26/2022]
Abstract
ABSTRACT Patients with ST elevation myocardial infarction (STEMI) are at risk of future heart failure (HF), particularly those with anterior STEMI. Interleukin-1 (IL-1) is a key mediator of the inflammatory response, and its blockade has emerged as a potential therapeutic strategy to prevent HF events. The aim of this analysis was to explore the effects of anakinra, an IL-1 receptor antagonist, on HF outcomes based on anterior versus nonanterior location STEMI and to explore whether this effect is mediated through the amelioration of left ventricular systolic function and cardiac remodeling. We pooled data from 3 early phase randomized clinical trials. The primary end point was a composite of all-cause death and new-onset HF at 1-year follow-up. The left anterior descending coronary artery as culprit vessel was used to identify anterior STEMI. We included 139 patients, 47 (34%) with anterior STEMI and 92 (66%) with nonanterior STEMI. Anakinra significantly reduced the combined end point of death or new-onset HF in patients with anterior STEMI [4 (13%) vs. 7 (42%), log-rank P value = 0.049] and in patients with nonanterior STEMI [3 (6%) vs. 9 (24%), log-rank P value = 0.014]. We found no significant differences comparing anakinra versus placebo in interval changes in left ventricular ejection fraction and volumes in anterior and nonanterior STEMI. In conclusion, anakinra is associated with a reduction of HF events in patients with STEMI, irrespective of anterior or nonanterior location, or of changes in left ventricular ejection fraction or cardiac remodeling.
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Kwiatkowski SG, Aulakh VS, Kapoor K, Wei X, Grizzard JD, Hundley WG, Gordon SW, Trankle CR. Case report: paradoxically reversible perfusion defects on vasodilator stress imaging in a case of metastatic coronary compression. Eur Heart J Case Rep 2022; 6:ytac124. [PMID: 35434511 PMCID: PMC9007428 DOI: 10.1093/ehjcr/ytac124] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2021] [Revised: 12/21/2021] [Accepted: 03/17/2022] [Indexed: 11/13/2022]
Abstract
Background Patients with malignancy who experience metastasis to cardiac structures may exhibit ST-segment elevations and acute coronary syndrome (ACS) through poorly understood pathophysiologic mechanisms. We present a case in which vasodilator stress cardiovascular magnetic resonance provides unique insight into one such patient who suffered from recurrent episodes resembling ACS. Case summary A 58-year-old male with metastatic lung adenocarcinoma presented with refractory angina and dynamic inferior electrocardiogram changes. The patient was referred for adenosine stress cardiovascular magnetic resonance, revealing multiple territories of abnormal perfusion during rest with improvement during adenosine infusion. Subsequent computed tomography displayed tumour encasement of the right coronary artery. Taken together, vasodilator-responsive extrinsic compression of multiple epicardial coronary arteries was suspected. Outpatient oncology follow-up for chemoimmunotherapy initiation was arranged with the hope that reducing tumour burden might alleviate coronary compression. However, in the ensuing months, the patient’s disease advanced beyond the point of which his symptoms could be controlled medically, and he was ultimately enrolled in hospice care. Discussion Encasement of coronary arteries can result in anginal symptoms if their position impairs coronary arterial flow. The presented case highlights the unique manner in which these lesions might behave on stress cardiac magnetic resonance imaging. Clinicians who encounter such unusual findings on vasodilator stress imaging should consider metastatic lesions to the cardiac structures on the differential diagnosis.
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Shah KB, Rao K, Trankle CR. Response by Shah et al to Letter Regarding Article, "False-Positive 99mTechnetium-Pyrophosphate Scintigraphy in Two Patients With Hypertrophic Cardiomyopathy". Circ Heart Fail 2022; 15:e008697. [PMID: 35378983 DOI: 10.1161/circheartfailure.121.008697] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Trankle CR. Editorial for "Accumulation of Epicardial Adipose Tissue Added Independent Risks for Diastolic Dysfunction Among Dialysis Patients". J Magn Reson Imaging 2022; 56:1195-1196. [PMID: 35119155 DOI: 10.1002/jmri.28089] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2022] [Accepted: 01/19/2022] [Indexed: 11/11/2022] Open
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Del Buono MG, Trankle CR, Buckley L, Kadariya D, Canada JM, Carbone S, Turlington J, Markley R, Bressi E, VAN Tassell BW, Abbate A. Early changes in N-terminal pro-brain natriuretic peptide levels predict new-onset heart failure in patients with STEMI. Minerva Cardiol Angiol 2022; 70:25-31. [PMID: 32657561 DOI: 10.23736/s2724-5683.20.05303-7] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
BACKGROUND Previous studies suggested that N-terminal pro-brain natriuretic peptide (NT-proBNP) level is a powerful independent predictor of death or heart failure (HF) when measured at admission in patients with chest pain or acute coronary syndrome. Little is known about the role of NT-proBNP level measured during a hospitalization for ST segment elevation myocardial infarction (STEMI) in predicting clinical outcomes. We evaluated the optimal NT-proBNP timing (admission, 72 hours, or delta [Δ] NT-proBNP [72 hours minus admission]) to predict 1-year new-onset HF in STEMI patients. METHODS We measured NT-proBNP levels at admission and 72 hours in 72 patients with STEMI. HF events were adjudicated and defined as hospitalization for HF or need for new initiation of a loop diuretic at 1-year follow-up. Values are presented as medians and interquartile range or frequencies (%) as appropriate. Cox regression analysis was used to determine predictors of adverse events. A receiver-operative-curve was constructed to identify the discriminative value and optimal cut-off points for NT-proBNP. RESULTS Patients (age 56 [49-64] years, males 59 [82%]) were followed for a median duration of 365 [180-365] days. HF events were recorded in 9 (12.5%) patients. NT-proBNP values at admission, 72 hours, and ΔNT-proBNP were 89 (26-268) pg/mL, 452 (223-1064) pg/mL, and 283 (68-686) pg/mL, respectively. NT-proBNP at 72 hours and ΔNT-proBNP, but not admission NT-proBNP predicted new-onset HF events at follow-up (P=0.03, P=0.002 and P=0.89, respectively). The optimal area under the curve of 0.771 (95%, CI [0.630-0.912], P= 0.009) and cut-off value of 830 pg/mL (sensitivity 79%; specificity 76%) were found for NT-proBNP at 72 hours. The Kaplan-Meier survival curves for NT-proBNP at 72 hours dichotomized above and below this cut-off value, confirmed NT-proBNP at 72 hours >830 pg/mL as predictive of HF events (log-rank statistic = 8.688, P=0.003). CONCLUSIONS NT-proBNP level at 72 hours and ΔNT-proBNP (72 hours minus admission), but not at time of admission, predicted HF events in patients following STEMI.
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Del Buono MG, Damonte JI, Trankle CR, Kadariya D, Carbone S, Thomas G, Turlington J, Markley R, Canada JM, Biondi-Zoccai GG, Kontos MC, Van Tassell BW, Abbate A. Effect of interleukin-1 blockade with anakinra on leukocyte count in patients with ST-segment elevation acute myocardial infarction. Sci Rep 2022; 12:1254. [PMID: 35075216 PMCID: PMC8786840 DOI: 10.1038/s41598-022-05374-w] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2021] [Accepted: 01/11/2022] [Indexed: 02/08/2023] Open
Abstract
Leukocytosis is a common finding in patients with ST elevation myocardial infarction (STEMI) and portends a poor prognosis. Interleukin 1-β regulates leukopoiesis and pre-clinical studies suggest that anakinra (recombinant human interleukin-1 [IL-1] receptor antagonist) suppresses leukocytosis in myocardial infarction. However, the effect of IL-1 blockade with anakinra on leukocyte count in patients with STEMI is unknown. We reviewed the white blood cell (WBC) and differential count of 99 patients enrolled in a clinical trial of anakinra (n = 64) versus placebo (n = 35) for 14 days after STEMI. A complete blood cell count with differential count were obtained at admission, and after 72 h, 14 days and 3 months. After 72 h from treatment, anakinra compared to placebo led to a statistically significant greater percent reduction in total WBC count (− 35% [− 48 to − 24] vs. − 21% [− 34 to − 10], P = 0.008), absolute neutrophil count (− 48% [− 60 to − 22] vs. − 27% [− 46 to − 5], P = 0.004) and to an increase in absolute eosinophil count (+ 50% [0 to + 100] vs. 0% [− 50 to + 62], P = 0.022). These changes persisted while on treatment at 14 days and were no longer apparent at 3 months after treatment discontinuation. We found that in patients with STEMI IL-1 blockade with anakinra accelerates resolution of leukocytosis and neutrophilia. This modulation may represent one of the mechanisms by which IL-1 blockade improves clinical outcomes.
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Canada JM, Park TS, Ravindra K, Chiabrando JG, Del Buono MG, van Wezenbeek J, Trankle CR, Kadariya D, Keen L, Carbone S, Billingsley H, Wohlford GF, Arena R, Van Tassell BW, Abbate A. Comparison of Cardiorespiratory Fitness in Black or African American Versus Caucasian Patients With Heart Failure. J Cardiopulm Rehabil Prev 2022; 42:39-44. [PMID: 34793367 PMCID: PMC8602869 DOI: 10.1097/hcr.0000000000000605] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
PURPOSE Cardiopulmonary exercise testing (CPX) is a well-established assessment with important insight into prognosis and therapeutic efficacy in patients with heart failure (HF). Prior studies have identified several clinical differences between Black or African American (B-AA) and Caucasian patients with HF. Differences in key CPX responses between these two groups require further investigation. METHODS Using a database consisting of subjects with symptomatic HF who had undergone CPX for inclusion in various prospective randomized clinical trials, we identified 198 (n = 94 [47%] B-AA; n = 105 [53%] Caucasian) patients with a qualifying baseline CPX. Significant univariate predictors of peak oxygen uptake (V˙o2peak) were included in a multivariate linear regression model. RESULTS When compared with Caucasian patients, B-AA were younger (mean ± SD = 54.8 ± 10.0 vs 57.9 ± 9.6 yr, P = .03), had higher C-reactive protein (CRP) (median [IQR] = 4.9 [2.3, 8.8] vs 1.9 [0.6, 5.5] mg/L, P < .0001), lower hemoglobin (13.0 ± 1.8 vs 13.8 ± 1.6 g/dL, P = .003), and lower left ventricular ejection fraction (LVEF) (40 [32, 51] vs 53 [43, 59]%, P < .00010). During CPX, B-AA patients also had lower V˙o2peak (14.6 ± 3.9 vs 17.6 ± 4.8 mL·kg-1·min-1, P < .0001). No differences were observed between B-AA and Caucasian in the minute ventilation/carbon dioxide production (V˙e/V˙co2) slope (P = .14). The difference in V˙o2peak between B-AA and Caucasian was largely attenuated after adjusting for age, body mass index, CRP, N-terminal pro-brain natriuretic peptide, hemoglobin, LVEF, and peak HR (14.1: 95% CI, 13.2-14.9 vs 15.6: 95% CI, 14.4-16.8 mL·kg-1·min-1, P = .053). CONCLUSIONS Directly measured V˙o2peak was significantly lower in B-AA than in Caucasians with HF. This is largely explained by differences in clinical characteristics, whereas no significant differences were observed in the V˙e/V˙co2 slope.
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Tushak ZJ, Doshi A, Trankle CR, Rao K, Cei L, Shah KB. Phenotypic Spectrum of Transthyretin Cardiac Amyloidosis in a Family: Impact of Mutation Zygosity and Sex. JACC CardioOncol 2021; 3:602-605. [PMID: 34729535 PMCID: PMC8543089 DOI: 10.1016/j.jaccao.2021.07.006] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2021] [Revised: 07/27/2021] [Accepted: 07/28/2021] [Indexed: 01/15/2023] Open
Key Words
- ATTR, transthyretin amyloidosis
- CMR, cardiac magnetic resonance imaging
- HCL, heart to contralateral lung (uptake ratio for PYP scan)
- NT-proBNP, N-terminal pro–B-type natriuretic peptide
- PYP, technetium-99m pyrophosphate (scan)
- SPECT, single-photon emission computed tomography
- TTE, transthoracic echocardiogram
- TTR, transthyretin
- V122I, valine substitution for isoleucine at position 122
- amyloidosis
- cardiomyopathy
- gender differences
- genetic variability
- hATTR, hereditary transthyretin amyloidosis
- heart failure
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