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Willixhofer R, Rettl R, Kronberger C, Ermolaev N, Gregshammer B, Duca F, Binder C, Kammerlander A, Alasti F, Kastner J, Bonderman D, Bergler-Klein J, Agostoni P, Badr Eslam R. Cardiopulmonary exercise testing in transthyretin amyloid cardiomyopathy patients: a long-term follow-up study. J Cardiovasc Med (Hagerstown) 2024; 25:704-712. [PMID: 39012655 DOI: 10.2459/jcm.0000000000001636] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/17/2024]
Abstract
AIMS Patients with transthyretin amyloid cardiomyopathy (ATTR-CM) experience reduced functional capacity. We evaluated changes in functional capacity over extensive follow-up using cardiopulmonary exercise testing (CPX). METHODS ATTR-CM patients underwent CPX and blood testing at baseline, first [V1, 8 (6-10) months] and second follow-up (V2) at 35 (26-41) months after start of disease-specific therapy. RESULTS We included 34 ATTR-CM patients, aged 77 (±6) years (88.2% men). CPX showed two patterns with functional capacity improvement at V1 and deterioration at V2. Peak work capacity ( P = 0.005) and peak oxygen consumption (VO 2 , P = 0.012) increased at V1 compared with baseline and decreased at V2. The ventilation to carbon dioxide relationship slope (VE/VCO 2 ) increased at V2 compared with baseline and V1 ( P = 0.044). A cut-off for peak VO 2 at 14 ml/kg·min showed more events (composite of death and heart failure hospitalization): less than 14 vs. greater than 14 ml/kg·min ( P = 0.013). Cut-offs for VE/VCO 2 slope at 40 showed more events greater than 40 vs. less than 40 ( P = 0.009). CONCLUSION ATTR-CM patients showed an improvement and deterioration in the short-term and long-term follow-up, respectively, with a better prognosis for those with peak VO 2 above 14 ml/kg·min and for a VE/VCO 2 slope below 40.
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Affiliation(s)
- Robin Willixhofer
- Division of Cardiology, Department of Internal Medicine II, Medical University of Vienna
| | - René Rettl
- Division of Cardiology, Department of Internal Medicine II, Medical University of Vienna
| | - Christina Kronberger
- Division of Cardiology, Department of Internal Medicine II, Medical University of Vienna
| | - Nikita Ermolaev
- Division of Cardiology, Department of Internal Medicine II, Medical University of Vienna
| | - Bernhard Gregshammer
- Division of Cardiology, Department of Internal Medicine II, Medical University of Vienna
| | - Franz Duca
- Division of Cardiology, Department of Internal Medicine II, Medical University of Vienna
| | - Christina Binder
- Division of Cardiology, Department of Internal Medicine II, Medical University of Vienna
| | - Andreas Kammerlander
- Division of Cardiology, Department of Internal Medicine II, Medical University of Vienna
| | - Farideh Alasti
- Division of Cardiology, Department of Internal Medicine II, Medical University of Vienna
| | - Johannes Kastner
- Division of Cardiology, Department of Internal Medicine II, Medical University of Vienna
| | | | - Jutta Bergler-Klein
- Division of Cardiology, Department of Internal Medicine II, Medical University of Vienna
| | - Piergiuseppe Agostoni
- Centro Cardiologico Monzino, IRCCS
- Department of Clinical Sciences and Community Health, University of Milan, Milan, Italy
| | - Roza Badr Eslam
- Division of Cardiology, Department of Internal Medicine II, Medical University of Vienna
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2
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Lalario A, Saro R, Sinagra G, Merlo M, Porcari A. Clinical Use of Biomarkers in Cardiac Amyloidosis. Heart Fail Clin 2024; 20:283-294. [PMID: 38844299 DOI: 10.1016/j.hfc.2024.03.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 06/12/2024]
Abstract
Amyloidosis is a systemic condition characterized by multiple organs involvement. A multidisciplinary and multimodal approach in assessing patients is pivotal and recommended by the international scientific societies. Biomarkers represent an essential noninvasive tool to increase the suspicion of disease and orient further workup and clinical management of patients. This review provides an updated contemporary focus on the clinical use of biomarkers in cardiac amyloidosis, emphasizing their role in both the diagnostic and prognostic setting and discussing future perspective of emerging biomarkers.
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Affiliation(s)
- Andrea Lalario
- Center for Diagnosis and Treatment of Cardiomyopathies, Cardiovascular Department, Azienda Sanitaria Universitaria Giuliano-Isontina (ASUGI), University of Trieste, Via P. Valdoni 7, 34100, Trieste, Italy; European Reference Network for Rare, Low Prevalence and Complex Diseases of the Heart-ERN GUARD-Heart, Via P. Valdoni 7, 34100, Trieste, Italy
| | - Riccardo Saro
- Center for Diagnosis and Treatment of Cardiomyopathies, Cardiovascular Department, Azienda Sanitaria Universitaria Giuliano-Isontina (ASUGI), University of Trieste, Via P. Valdoni 7, 34100, Trieste, Italy; European Reference Network for Rare, Low Prevalence and Complex Diseases of the Heart-ERN GUARD-Heart, Via P. Valdoni 7, 34100, Trieste, Italy
| | - Gianfranco Sinagra
- Center for Diagnosis and Treatment of Cardiomyopathies, Cardiovascular Department, Azienda Sanitaria Universitaria Giuliano-Isontina (ASUGI), University of Trieste, Via P. Valdoni 7, 34100, Trieste, Italy; European Reference Network for Rare, Low Prevalence and Complex Diseases of the Heart-ERN GUARD-Heart, Via P. Valdoni 7, 34100, Trieste, Italy
| | - Marco Merlo
- Center for Diagnosis and Treatment of Cardiomyopathies, Cardiovascular Department, Azienda Sanitaria Universitaria Giuliano-Isontina (ASUGI), University of Trieste, Via P. Valdoni 7, 34100, Trieste, Italy; European Reference Network for Rare, Low Prevalence and Complex Diseases of the Heart-ERN GUARD-Heart, Via P. Valdoni 7, 34100, Trieste, Italy
| | - Aldostefano Porcari
- Center for Diagnosis and Treatment of Cardiomyopathies, Cardiovascular Department, Azienda Sanitaria Universitaria Giuliano-Isontina (ASUGI), University of Trieste, Via P. Valdoni 7, 34100, Trieste, Italy; European Reference Network for Rare, Low Prevalence and Complex Diseases of the Heart-ERN GUARD-Heart, Via P. Valdoni 7, 34100, Trieste, Italy; National Amyloidosis Centre, Division of Medicine, University College London, Royal Free Campus, Rowland Hill Street, London NW3 2PF, UK.
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3
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Wernhart S, Michel L, Carpinteiro A, Luedike P, Rassaf T. (Non)-Exertional Variables of Cardiopulmonary Exercise Testing in Heart Failure with and Without Cardiac Amyloidosis. Curr Heart Fail Rep 2024; 21:224-237. [PMID: 38635117 PMCID: PMC11090960 DOI: 10.1007/s11897-024-00661-1] [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] [Accepted: 03/22/2024] [Indexed: 04/19/2024]
Abstract
PURPOSE OF REVIEW Cardiac amyloidosis (CA) constitutes an important etiology of heart failure with preserved ejection fraction (HFpEF) or heart failure with mildly reduced ejection fraction (HFmrEF). Since patients with CA show early exhaustion, we aimed to investigate whether non-exertional variables of cardiopulmonary exercise testing (CPET) provide additional information in comparison to traditional peak oxygen consumption (VO2peak). RECENT FINDINGS We retrospectively investigated CPET variables of patients with HFpEF and HFmrEF with (n = 21) and without (n = 21, HF) CA at comparable age and ejection fraction. Exertional and non-exertional CPET variables as well as laboratory and echocardiographic markers were analyzed. The primary outcome was the difference in CPET variables between groups. The secondary outcome was rehospitalization in patients with CA during a follow-up of 24 months. Correlations between CPET, NTproBNP, and echocardiographic variables were calculated to detect patterns of discrimination between the groups. HF patients with CA were inferior to controls in most exertional and non-exertional CPET variables. Patients with CA were hospitalized more often (p = 0.002), and rehospitalization was associated with VE/VCO2 (p = 0.019), peak oxygen pulse (p = 0.042), the oxygen equivalent at the first ventilatory threshold (p = 0.003), circulatory (p = 0.024), and ventilatory power (p < .001), but not VO2peak (p = 0.127). Higher performance was correlated with lower E/e' and NTproBNP as well as higher resting heart rate and stroke volume in CA. Patients with CA displayed worse non-exertional CPET performance compared to non-CA HF patients, which was associated with rehospitalization. Differences between correlations of resting echocardiography and CPET variables between groups emphasize different properties of exercise physiology despite comparable ejection fraction.
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Affiliation(s)
- Simon Wernhart
- Department of Cardiology and Vascular Medicine, West German Heart and Vascular Center, University Hospital Essen, University Duisburg-Essen, Hufelandstrasse 55, 45147, Essen, Germany.
| | - Lars Michel
- Department of Cardiology and Vascular Medicine, West German Heart and Vascular Center, University Hospital Essen, University Duisburg-Essen, Hufelandstrasse 55, 45147, Essen, Germany
| | - Alexander Carpinteiro
- Clinic for Hematology and Stem Cell Transplantation, University Hospital Essen, University Duisburg-Essen, Hufelandstrasse 55, 45147, Essen, Germany
| | - Peter Luedike
- Department of Cardiology and Vascular Medicine, West German Heart and Vascular Center, University Hospital Essen, University Duisburg-Essen, Hufelandstrasse 55, 45147, Essen, Germany
| | - Tienush Rassaf
- Department of Cardiology and Vascular Medicine, West German Heart and Vascular Center, University Hospital Essen, University Duisburg-Essen, Hufelandstrasse 55, 45147, Essen, Germany
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4
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Soman P, Azhar AZ. Determining the Natural History of a Rare Disease: A Narrow Window of Opportunity. Can J Cardiol 2024; 40:370-371. [PMID: 38141812 DOI: 10.1016/j.cjca.2023.11.045] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2023] [Accepted: 11/19/2023] [Indexed: 12/25/2023] Open
Affiliation(s)
- Prem Soman
- Division of Cardiology, University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania, USA.
| | - Abdullah Zoheb Azhar
- Division of Cardiology, University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania, USA
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5
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Argirò A, Silverii MV, Burgisser C, Fattirolli F, Baldasseroni S, di Mario C, Zampieri M, Biagioni G, Mazzoni C, Chiti C, Allinovi M, Ungar A, Perfetto F, Cappelli F. Serial Changes in Cardiopulmonary Exercise Testing Parameters in Untreated Patients With Transthyretin Cardiac Amyloidosis. Can J Cardiol 2024; 40:364-369. [PMID: 37793568 DOI: 10.1016/j.cjca.2023.09.028] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2023] [Revised: 09/08/2023] [Accepted: 09/27/2023] [Indexed: 10/06/2023] Open
Abstract
BACKGROUND Transthyretin amyloid cardiomyopathy (ATTR-CM) is associated with a progressive reduction of functional capacity. The progression of cardiopulmonary exercise testing (CPET) parameters over time is still unknown. METHODS In this study, 55 patients with ATTR-CM underwent 2 serial cardiologic evaluations and CPETs in a national referral center for cardiac amyloidosis (Careggi University Hospital, Florence). RESULTS Forty-three patients (78%) had wild-type ATTR. Median age was 80 years (interquartile range [IQR] 76-83 years), and 50 of the patients (91%) were men. At baseline, median peak oxygen consumption (pVO2) was 15 mL/kg/min (IQR 12-18 mL/kg/min), percentage of predicted pVO2 (%ppVO2) was 71% (IQR 60%-83%) and VE/VCO2 slope was 31 (IQR 26-34). After a median follow-up of 14 months (IQR 13-16 months), pVO2, %ppVO2 and VE/VCO2 slope were significantly worsened (-1.29 mL/kg/min [95% confidence interval (CI): -1.85 to -0.74; P < 0.01], -4.5% [95% CI: -6.9 to -2.02; P < 0.01], and 8.6 [95% CI 6-11; P < 0.01], respectively). Furthermore, exercise time (-39 s, 95% CI: -59 to -19; P < 0.01), exercise tolerance (-0.47 metabolic equivalents, 95% CI: -0.69 to -0.2; P < 0.01), and peak systolic pressure (-10.8 mm Hg, 95% CI: -16.2 to -5.4; P < 0.01) were significantly reduced. The worsening in CPET variables did not correspond with a significant change in echocardiographic parameters. CONCLUSIONS Cardiorespiratory response to exercise significantly worsened over a short period of time in patients with ATTR-CM. Serial CPET may be useful to identify early disease progression.
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Affiliation(s)
- Alessia Argirò
- Tuscan Regional Amyloidosis Centre, Careggi University Hospital, Florence, Italy
| | - Maria Vittoria Silverii
- Cardiac Rehabilitation Unit, Department of Experimental and Clinical Medicine, University of Florence, Florence, Italy
| | - Costanza Burgisser
- Cardiac Rehabilitation Unit, Department of Experimental and Clinical Medicine, University of Florence, Florence, Italy
| | - Francesco Fattirolli
- Cardiac Rehabilitation Unit, Department of Experimental and Clinical Medicine, University of Florence, Florence, Italy
| | - Samuele Baldasseroni
- Division of Interventional Structural Cardiology, Cardiothoracovascular Department, Careggi University Hospital, Florence, Italy
| | - Carlo di Mario
- Division of Interventional Structural Cardiology, Cardiothoracovascular Department, Careggi University Hospital, Florence, Italy
| | - Mattia Zampieri
- Tuscan Regional Amyloidosis Centre, Careggi University Hospital, Florence, Italy.
| | - Giulia Biagioni
- Tuscan Regional Amyloidosis Centre, Careggi University Hospital, Florence, Italy
| | - Carlotta Mazzoni
- Tuscan Regional Amyloidosis Centre, Careggi University Hospital, Florence, Italy
| | - Chiara Chiti
- Tuscan Regional Amyloidosis Centre, Careggi University Hospital, Florence, Italy
| | - Marco Allinovi
- Tuscan Regional Amyloidosis Centre, Careggi University Hospital, Florence, Italy
| | - Andrea Ungar
- Cardiac Rehabilitation Unit, Department of Experimental and Clinical Medicine, University of Florence, Florence, Italy
| | - Federico Perfetto
- Tuscan Regional Amyloidosis Centre, Careggi University Hospital, Florence, Italy
| | - Francesco Cappelli
- Tuscan Regional Amyloidosis Centre, Careggi University Hospital, Florence, Italy
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6
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Salvioni E, Bonomi A, Magrì D, Merlo M, Pezzuto B, Chiesa M, Mapelli M, Baracchini N, Sinagra G, Piepoli M, Agostoni P. The cardiopulmonary exercise test in the prognostic evaluation of patients with heart failure and cardiomyopathies: the long history of making a one-size-fits-all suit. Eur J Prev Cardiol 2023; 30:ii28-ii33. [PMID: 37819221 DOI: 10.1093/eurjpc/zwad216] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/12/2022] [Revised: 06/21/2023] [Accepted: 06/28/2023] [Indexed: 10/13/2023]
Abstract
Cardiopulmonary exercise test (CPET) has become pivotal in the functional evaluation of patients with chronic heart failure (HF), supplying a holistic evaluation both in terms of exercise impairment degree and possible underlying mechanisms. Conversely, there is growing interest in investigating possible multiparametric approaches in order to improve the overall HF risk stratification. In such a context, in 2013, a group of 13 Italian centres skilled in HF management and CPET analysis built the Metabolic Exercise test data combined with Cardiac and Kidney Indexes (MECKI) score, based on the dynamic assessment of HF patients and on some other instrumental and laboratory parameters. Subsequently, the MECKI score, initially developed on a cohort of 2716 HF patients, has been extensively validated as well as challenged with the other multiparametric scores, achieving optimal results. Meanwhile, the MECKI score research group has grown over time, involving up to now a total of 27 centres with an available database accounting for nearly 8000 HF patients. This exciting joint effort from multiple HF Italian centres allowed to investigate different HF research field in order to deepen the mechanisms underlying HF, to improve the ability to identify patients at the highest risk as well as to analyse particular HF categories. Most recently, some of the participants of the MECKI score group started to join the forces in investigating a possible additive role of CPET assessment in the cardiomyopathy setting too. The present study tells the ten-year history of the MECKI score presenting the most important results achieved as well as those projects in the pipeline, this exciting journey being far to be concluded.
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Affiliation(s)
| | - Alice Bonomi
- Centro Cardiologico Monzino, IRCCS, Milano, Italy
| | - Damiano Magrì
- Department of Clinical and Molecular Medicine, Sapienza University of Rome, Rome, Italy
| | - Marco Merlo
- Department of Cardiovascular, 'Azienda Sanitaria Universitaria Giuliano-Isontina', Trieste, Italy
| | | | - Mattia Chiesa
- Centro Cardiologico Monzino, IRCCS, Milano, Italy
- Department of Electronics, Information and Biomedical Engineering, Politecnico di Milano, Milan, Italy
| | - Massimo Mapelli
- Centro Cardiologico Monzino, IRCCS, Milano, Italy
- Department of Clinical Sciences and Community Health, Cardiovascular Section, University of Milano, Milano, Italy
| | - Nikita Baracchini
- Department of Cardiovascular, 'Azienda Sanitaria Universitaria Giuliano-Isontina', Trieste, Italy
| | - Gianfranco Sinagra
- Department of Cardiovascular, 'Azienda Sanitaria Universitaria Giuliano-Isontina', Trieste, Italy
| | - Massimo Piepoli
- Clinical Cardiology, Policlinico San Donato IRCCS, University of Milan, Milan, Italy
- Department of Preventive Cardiology, Wroclaw Medical University, Wroclaw, Poland
| | - Piergiuseppe Agostoni
- Department of Clinical and Molecular Medicine, Sapienza University of Rome, Rome, Italy
- Department of Clinical Sciences and Community Health, Cardiovascular Section, University of Milano, Milano, Italy
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7
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Nakaya Y, Ogimoto A, Kitaoka H. Changes in Exercise Tolerance over Time in Patients with Transthyretin Amyloidosis Cardiomyopathy Treated with Tafamidis. Int Heart J 2023; 64:647-653. [PMID: 37460315 DOI: 10.1536/ihj.23-075] [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] [Indexed: 08/01/2023]
Abstract
Tafamidis improves the prognosis of patients with transthyretin amyloidosis cardiomyopathy (ATTR-CM). Additionally, it delays the decline in exercise tolerance, as observed in the six-minute walking test. However, the changes in cardiopulmonary function over time based on cardiopulmonary exercise tests are unclear. Thus, this preliminary study investigated the changes in exercise tolerance after one year of tafamidis treatment using cardiopulmonary exercise testing. Eight patients with ATTR-CM (average age: 77 years; male: n = 7) underwent cardiopulmonary exercise testing at baseline and after one year of tafamidis treatment. All eight patients completed a one-year follow-up. At baseline, the anaerobic threshold oxygen uptake (AT VO2: 10.9 ± 1.5) and peak VO2 (14.3 ± 3.0 mL/kg/minute) indicated relatively favorable exercise capacity; however, the minute ventilation/carbon dioxide production (VE/VCO2 slope), which indicates effective ventilation, showed poor performance (33.7 ± 12.8). One year after tafamidis treatment, frailty, as assessed by the Clinical Frailty Scale, had progressed in seven of eight patients (88%) (P < 0.01), and AT VO2 and peak VO2 were significantly reduced (19.2% and 22.3%, respectively; P < 0.05). The VE/VCO2 slope and peak O2 pulse decreased nonsignificantly by approximately 20% (P = 0.47, and P = 0.16, respectively). Further, the structure of the ventricles and atrium and the left ventricle ejection fraction on echocardiography did not change. Thus, exercise tolerance in patients with ATTR-CM was reduced after one year despite tafamidis administration. Not only ATTR-CM progression, but also frailty progression may influence this decrease in exercise tolerance. A comprehensive approach, including tafamidis administration and cardiac rehabilitation, is required for further improvement in the exercise capacity of patients with ATTR-CM.
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Affiliation(s)
- Yuta Nakaya
- Department of Rehabilitation, Uwajima City Hospital
- Department of Cardiology and Geriatrics, Kochi Medical School, Kochi University
| | | | - Hiroaki Kitaoka
- Department of Cardiology and Geriatrics, Kochi Medical School, Kochi University
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8
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Banydeen R, Eggleston R, Deney A, Monfort A, Ryu JH, Vergaro G, Castiglione V, Lairez O, Emdin M, Inamo J, Baqir M, Neviere R. Risk Stratification in Transthyretin Cardiac Amyloidosis: The Added Value of Lung Spirometry. J Clin Med 2023; 12:jcm12113684. [PMID: 37297878 DOI: 10.3390/jcm12113684] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2023] [Revised: 05/21/2023] [Accepted: 05/24/2023] [Indexed: 06/12/2023] Open
Abstract
Transthyretin cardiac amyloidosis (ATTR-CA) is an increasingly recognized disease that often results in heart failure and death. Traditionally, biological staging systems are used to stratify disease severity. Reduced aerobic capacity has recently been described as useful in identifying higher risk of cardiovascular events and death. Assessment of lung volume via simple spirometry might also hold prognostic relevance. We aimed to assess the combined prognostic value of spirometry, cardiopulmonary exercise testing (CPET) and biomarker staging in ATTR-CA patients in a multi-parametric approach. We retrospectively reviewed patient records with pulmonary function and CPET testing. Patients were followed until study endpoint (MACE: composite of heart-failure-related hospitalization and all-cause death) or censure (1 April 2022). In total, 82 patients were enrolled. Median follow-up was 9 months with 31 (38%) MACE. Impaired peak VO2 and forced vital capacity (FVC) were independent predictors of MACE-free survival, with peak VO2 < 50% and FVC < 70% defining the highest risk group (HR 26, 95% CI: 5-142, mean survival: 15 months) compared to patients with the lowest risk (peak VO2 ≥ 50% and FVC ≥ 70%). Combined peak VO2, FVC and ATTR biomarker staging significantly improved MACE prediction by 35% compared to ATTR staging alone, with 67% patients reassigned a higher risk category (p < 0.01). In conclusion, combining functional and biological markers might synergistically improve risk stratification in ATTR-CA. Integrating simple, non-invasive and easily applicable CPET and spirometry in the routine management of ATTR-CA patients might prove useful for improved risk prediction, optimized monitoring and timely introduction of newer-generation therapies.
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Affiliation(s)
- Rishika Banydeen
- Department of Clinical Research, CHU Martinique (University Hospital of Martinique), 97200 Fort de France, France
- Cardiovascular Research Team EA7525, Université des Antilles (University of the French West Indies), 97200 Fort de France, France
| | - Reid Eggleston
- Division of Pulmonary and Critical Care Medicine, Mayo Clinic School of Graduate Medical Education, Mayo Clinic College of Medicine and Science, Mayo Clinic, Rochester, MN 55905, USA
| | - Antoine Deney
- Department of Cardiology, Rangueil Hospital, CHU Toulouse (University Hospital of Toulouse), 31400 Toulouse, France
| | - Astrid Monfort
- Cardiovascular Research Team EA7525, Université des Antilles (University of the French West Indies), 97200 Fort de France, France
- Department of Cardiology, CHU Martinique (University Hospital of Martinique), 97200 Fort de France, France
| | - Jay H Ryu
- Mayo Clinic School of Graduate Medical Education, Mayo Clinic College of Medicine and Science, Mayo Clinic, Rochester, MN 55905, USA
| | - Giuseppe Vergaro
- Fondazione Toscana Gabriele Monasterio per la Ricerca Medica e di Sanita Pubblica, 56124 Pisa, Italy
| | - Vincenzo Castiglione
- Fondazione Toscana Gabriele Monasterio per la Ricerca Medica e di Sanita Pubblica, 56124 Pisa, Italy
| | - Olivier Lairez
- Department of Cardiology, Rangueil Hospital, CHU Toulouse (University Hospital of Toulouse), 31400 Toulouse, France
| | - Michele Emdin
- Institute of Life Sciences, ScuolaSuperioreSant'Anna, Pisa, Italy & Fondazione Toscana Gabriele Monasterio, 56124 Pisa, Italy
| | - Jocelyn Inamo
- Cardiovascular Research Team EA7525, Université des Antilles (University of the French West Indies), 97200 Fort de France, France
- Department of Cardiology, CHU Martinique (University Hospital of Martinique), 97200 Fort de France, France
| | - Misbah Baqir
- Division of Pulmonary and Critical Care Medicine, Mayo Clinic School of Graduate Medical Education, Mayo Clinic College of Medicine and Science, Mayo Clinic, Rochester, MN 55905, USA
| | - Remi Neviere
- Cardiovascular Research Team EA7525, Université des Antilles (University of the French West Indies), 97200 Fort de France, France
- Department of Cardiology, CHU Martinique (University Hospital of Martinique), 97200 Fort de France, France
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9
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Monfort A, Thevenet E, Enette L, Fagour C, Inamo J, Neviere R. The ventilatory component of the muscle metaboreflex is overstimulated in transthyretin cardiac amyloidosis patients with poor aerobic capacity. Front Physiol 2023; 14:1174645. [PMID: 37256072 PMCID: PMC10225564 DOI: 10.3389/fphys.2023.1174645] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2023] [Accepted: 05/02/2023] [Indexed: 06/01/2023] Open
Abstract
Background: The exercise pressor reflex, i.e., metabo- and mechano-reflex, partially regulates the control of ventilation and cardiovascular function during exercise. Abnormal exercise pressor reflex response has been associated with exaggerated ventilatory drive, sympathovagal imbalance and exercise limitation in chronic heart failure patients. Whether metaboreflex is over-activated and participate to poor aerobic capacity in patients with hereditary transthyretin cardiac amyloidosis (CA-TTR) is unknown. Methods: Twenty-two CA-TTR patients (aged 76 ± 7, 68% male) with the V122I (p.Val142Ile) transthyretin underwent a thorough evaluation including heart rate variability metrics, electrochemical skin conductance (ESC), physical function cardiopulmonary exercise testing, and muscle metaboreflex assessment. Eleven control subjects were chosen for muscle metaboreflex assessment. Results: Age-matched controls (n = 11) and CA-TTR patients (n = 22) had similar metaboreflex sensitivity for heart rate, stroke volume, cardiac index and mean systemic arterial pressure. Compared with age-matched controls, metaboreflex sensitivity for systemic vascular resistance (-18.64% ± 6.91% vs 3.14% ± 23.35%) and minute-ventilation responses (-9.65% ± 14.83% vs 11.84% ± 23.1%) was markedly increased in CA-TTR patients. Values of ESC displayed positive correlations with stroke volume (r = 0.53, p = 0.011) and cardiac index (r = 0.51, p = 0.015) components of metaboreflex sensitivity, an inverse correlation with systemic vascular resistance (r = -0.55, p = 0.008) and a trend with mean arterial (r = -0.42, p = 0.052) components of metaboreflex sensitivity. Peak aerobic capacity (peak VO2%) displayed an inverse correlation with the ventilation component of metaboreflex sensitivity (r = -0.62, p = 0.015). Conclusion: Consistent with the "muscle hypothesis" in heart failure, it is proposed that deterioration of skeletal muscle function in hereditary CA-TTR patients may activate muscle metaboreflex, leading to an increase in ventilation and sensation of breathlessness, the perception of fatigue, and overall sympathetic activation.
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Affiliation(s)
- Astrid Monfort
- Department of Cardiology, CHU Martinique (University Hospital of Martinique), Fort de France, France
- Cardiovascular Research Team EA7525, Université des Antilles, Fort de France, France
| | - Eugenie Thevenet
- Department of Cardiology, CHU Martinique (University Hospital of Martinique), Fort de France, France
| | - Lievyn Enette
- Department of Endocrinology, CHU Martinique (University Hospital of Martinique), Fort de France, France
- Department of Clinical Physiology, CHU Martinique (University Hospital of Martinique), Fort de France, France
| | - Cedric Fagour
- Department of Endocrinology, CHU Martinique (University Hospital of Martinique), Fort de France, France
| | - Jocelyn Inamo
- Department of Cardiology, CHU Martinique (University Hospital of Martinique), Fort de France, France
- Cardiovascular Research Team EA7525, Université des Antilles, Fort de France, France
| | - Remi Neviere
- Cardiovascular Research Team EA7525, Université des Antilles, Fort de France, France
- Department of Clinical Physiology, CHU Martinique (University Hospital of Martinique), Fort de France, France
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10
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Heart failure classification based on resting ejection fraction does not display a unique exercise response pattern. Int J Cardiol 2023; 376:157-164. [PMID: 36716970 DOI: 10.1016/j.ijcard.2023.01.072] [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: 12/22/2022] [Revised: 01/21/2023] [Accepted: 01/24/2023] [Indexed: 01/29/2023]
Abstract
BACKGROUND Heart failure with preserved (HFpEF), mildly reduced (HFmrEF) and reduced (HFrEF) ejection fraction (EF) remains a controversial categorization. Whether these three categories reflect a distinct pattern of exercise limitation in cardiopulmonary exercise testing (CPET) needs to be investigated. We aimed to analyze whether CPET variables differ between all heart failure categories (HF). METHODS We analyzed CPET variables of stable HFpEF (n = 123), HFmrEF (n = 31), and HFrEF (n = 153; 74 patients with and 79 patients without left ventricular assist device, LVAD) patients. The association between HF and peak oxygen consumption (VO2peak) was used as a primary outcome, while the association between HF, oxygen uptake efficiency slope (OUES), and increase of O2 pulse (ΔO2 pulse) were analyzed as secondary outcomes. RESULTS VO2peak displayed a consistent decline across all HF categories (19.8 ml ± 6.2/kg/min vs. 17.5 ± 7.9 ml/kg/min vs. 13.7 ± 4.0 ml/kg/min, p < 0.001). OUES only showed differences between HFpEF and HFrEF (1.8 ± 0.6 vs. 1.4 ± 0.5, p < 0.001) as well as HFmrEF and HFrEF (1.9 ± 0.9 vs. 1.4 ± 0.5, p = 0.004). ΔO2 pulse differed between HFpEF and HFrEF (7.7 ± 3.5 ml/beat/kg*100 vs. 5.5 ± 3.0 ml/beat/kg*100, p < 0.001) as well as HFpEF and HFmrEF (7.7 ± 3.5 ml/beat/kg*100 vs. 6.3 ± 4.1 ml/beat/kg*100, p = 0.049). Outcome variables did not differ between HFrEF with and without LVAD support (VO2peak: p = 0.364, OUES: p = 0.129, ΔO2 pulse: p = 0.564). CONCLUSIONS HF did not display a distinct CPET profile. Thus, EF-based categorization does not entirely reflect exercise limitations. CPET variables could contribute to better characterize HF phenotypes.
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Kittleson MM, Ruberg FL, Ambardekar AV, Brannagan TH, Cheng RK, Clarke JO, Dember LM, Frantz JG, Hershberger RE, Maurer MS, Nativi-Nicolau J, Sanchorawala V, Sheikh FH. 2023 ACC Expert Consensus Decision Pathway on Comprehensive Multidisciplinary Care for the Patient With Cardiac Amyloidosis: A Report of the American College of Cardiology Solution Set Oversight Committee. J Am Coll Cardiol 2023; 81:1076-1126. [PMID: 36697326 DOI: 10.1016/j.jacc.2022.11.022] [Citation(s) in RCA: 107] [Impact Index Per Article: 107.0] [Reference Citation Analysis] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
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12
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Scirpa R, Cittadini E, Mazzocchi L, Tini G, Sclafani M, Russo D, Imperatrice A, Tropea A, Autore C, Musumeci B. Risk stratification in transthyretin-related cardiac amyloidosis. Front Cardiovasc Med 2023; 10:1151803. [PMID: 37025682 PMCID: PMC10070959 DOI: 10.3389/fcvm.2023.1151803] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2023] [Accepted: 03/06/2023] [Indexed: 04/08/2023] Open
Abstract
Transthyretin related cardiac amyloidosis (TTR-CA) is an infiltrative cardiomyopathy that cause heart failure with preserved ejection fraction, mainly in aging people. Due to the introduction of a non invasive diagnostic algorithm, this disease, previously considered to be rare, is increasingly recognized. The natural history of TTR-CA includes two different stages: a presymptomatic and a symptomatic stage. Due to the availability of new disease-modifying therapies, the need to reach a diagnosis in the first stage has become impelling. While in variant TTR-CA an early identification of the disease may be obtained with a genetic screening in proband's relatives, in the wild-type form it represents a challenging issue. Once the diagnosis has been made, in order to identifying patients with a higher risk of cardiovascular events and death it is necessary to focus on risk stratification. Two prognostic scores have been proposed both based on biomarkers and laboratory findings. However, a multiparametric approach combining information from electrocardiogram, echocardiogram, cardiopulmonary exercise test and cardiac magnetic resonance may be warranted for a more comprehensive risk prediction. In this review, we aim at evaluating a step by step risk stratification, providing a clinical diagnostic and prognostic approach for the management of patients with TTR-CA.
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Affiliation(s)
- Riccardo Scirpa
- Division of Cardiology, Department of Clinical and Molecular Medicine, Sapienza University of Rome, Rome, Italy
| | - Edoardo Cittadini
- Division of Cardiology, Department of Clinical and Molecular Medicine, Sapienza University of Rome, Rome, Italy
| | - Lorenzo Mazzocchi
- Division of Cardiology, Department of Clinical and Molecular Medicine, Sapienza University of Rome, Rome, Italy
| | - Giacomo Tini
- Division of Cardiology, Department of Clinical and Molecular Medicine, Sapienza University of Rome, Rome, Italy
- Department of Cardiology, IRCCS San Raffaele Pisana, Rome, Italy
| | - Matteo Sclafani
- Division of Cardiology, Department of Clinical and Molecular Medicine, Sapienza University of Rome, Rome, Italy
| | - Domitilla Russo
- Division of Cardiology, Department of Clinical and Molecular Medicine, Sapienza University of Rome, Rome, Italy
| | - Andrea Imperatrice
- Division of Cardiology, Department of Clinical and Molecular Medicine, Sapienza University of Rome, Rome, Italy
| | - Alessandro Tropea
- Division of Cardiology, Department of Clinical and Molecular Medicine, Sapienza University of Rome, Rome, Italy
| | | | - Beatrice Musumeci
- Division of Cardiology, Department of Clinical and Molecular Medicine, Sapienza University of Rome, Rome, Italy
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13
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Silverii MV, Argirò A, Baldasseroni S, Fumagalli C, Zampieri M, Guerrieri L, Bartolini S, Mazzoni C, Burgisser C, Tomberli A, Di Mario C, Marchionni N, Olivotto I, Perfetto F, Fattirolli F, Cappelli F. Prognostic value of cardiopulmonary exercise testing in patients with transthyretin cardiac amyloidosis. Intern Emerg Med 2023; 18:585-593. [PMID: 36396841 DOI: 10.1007/s11739-022-03125-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/07/2022] [Accepted: 10/06/2022] [Indexed: 11/19/2022]
Abstract
The aim of this study is to evaluate the prognostic value of cardiopulmonary testing (CPET) in a cohort of patients with transthyretin cardiac amyloidosis (ATTR-CA). ATTR-CA is associated with a progressive reduction in functional capacity. The prognostic role of CPET parameters and in particular of normalized peak VO2 (%ppVO2) remains to be thoroughly evaluated. In this study, 75 patients with ATTR-CA underwent cardiological evaluation and CPET in a National Referral Center for cardiac amyloidosis (Careggi University Hospital, Florence). Fifty-seven patients (76%) had wild-type ATTR. Median age was 80 (75-83) years, 68 patients (91%) were men. Peak oxygen consumption (14.1 ± 4.1 ml/kg/min) and %ppVO2 (68.4 ± 18.8%) were blunted. Twenty-seven (36%) patients had an abnormal pressure response to exercise. After a median follow-up of 25 (12-31) months, the composite outcome of death or heart failure hospitalization was registered in 19 (25.3%) patients. At univariate analysis %ppVO2 was a stronger predictor for the composite outcome than peak VO2. %ppVO2 and NT-proBNP remained associated with the composite outcome at multivariate analysis. The optimal predictive threshold for %ppVO2 was 62% (sensitivity: 71%; specificity: 68%; AUC: 0.77, CI 0.65-0.88). Patients with %ppVO2 ≤ 62%and NT-proBNP > 3000 pg had a worse prognosis with 1- and 2-year survival of 69 ± 9% and 50 ± 10%, respectively. CPET is a safe and useful prognostic tool in patients with ATTR-CA. CPET may help to identify patients with advanced disease that may benefit from targeted therapy.
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Affiliation(s)
- Maria Vittoria Silverii
- Cardiac Rehabilitation Unit, Department of Experimental and Clinical Medicine, University of Florence, Florence, Italy
| | - Alessia Argirò
- Tuscan Regional Amyloidosis Centre, Careggi University Hospital, Florence, Italy
- Cardiomyopathy Unit Largo, Careggi University Hospital, Brambilla 3, 50141, Florence, Italy
| | | | - Carlo Fumagalli
- Tuscan Regional Amyloidosis Centre, Careggi University Hospital, Florence, Italy
- Cardiac Rehabilitation Unit, Department of Experimental and Clinical Medicine, University of Florence, Florence, Italy
| | - Mattia Zampieri
- Tuscan Regional Amyloidosis Centre, Careggi University Hospital, Florence, Italy.
- Cardiomyopathy Unit Largo, Careggi University Hospital, Brambilla 3, 50141, Florence, Italy.
| | - Ludovica Guerrieri
- Tuscan Regional Amyloidosis Centre, Careggi University Hospital, Florence, Italy
| | - Simone Bartolini
- Tuscan Regional Amyloidosis Centre, Careggi University Hospital, Florence, Italy
| | - Carlotta Mazzoni
- Tuscan Regional Amyloidosis Centre, Careggi University Hospital, Florence, Italy
| | - Costanza Burgisser
- Cardiac Rehabilitation Unit, Department of Experimental and Clinical Medicine, University of Florence, Florence, Italy
| | - Alessia Tomberli
- Tuscan Regional Amyloidosis Centre, Careggi University Hospital, Florence, Italy
- Cardiomyopathy Unit Largo, Careggi University Hospital, Brambilla 3, 50141, Florence, Italy
| | - Carlo Di Mario
- Division of Interventional Structural Cardiology, Cardiothoracovascular Department, Careggi University Hospital, Florence, Italy
| | - Niccolò Marchionni
- Department of Experimental and Clinical Medicine, Division of General Cardiology, University of Florence, Careggi University Hospital, Florence, Italy
| | - Iacopo Olivotto
- Cardiomyopathy Unit Largo, Careggi University Hospital, Brambilla 3, 50141, Florence, Italy
| | - Federico Perfetto
- Tuscan Regional Amyloidosis Centre, Careggi University Hospital, Florence, Italy
| | - Francesco Fattirolli
- Cardiac Rehabilitation Unit, Department of Experimental and Clinical Medicine, University of Florence, Florence, Italy
| | - Francesco Cappelli
- Tuscan Regional Amyloidosis Centre, Careggi University Hospital, Florence, Italy
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Dasgupta NR. Care of Patients With Transthyretin Amyloidosis: the Roles of Nutrition, Supplements, Exercise, and Mental Health. Am J Cardiol 2022; 185 Suppl 1:S35-S42. [PMID: 36549789 DOI: 10.1016/j.amjcard.2022.10.053] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/03/2022] [Revised: 10/24/2022] [Accepted: 10/27/2022] [Indexed: 12/24/2022]
Abstract
Transthyretin (ATTR) amyloidosis is a debilitating disease that results in organ failure and eventual death. As the disease progresses, patients experience neurologic, gastrointestinal, and cardiovascular symptoms that increasingly compromise their nutritional status and exercise capacity. These symptoms cause considerable emotional stress and mental health challenges for patients and caregivers. This review summarizes common symptoms and mechanisms associated with malnutrition and exercise intolerance, and sources of emotional stress, and offers therapeutic strategies to address these issues. Although earlier diagnosis and disease-specific treatment are central to caring for patients with ATTR amyloidosis, additional attention to symptom-focused treatments to improve nutritional status, maintain exercise tolerance and capacity, and improve and maintain mental health are also important. In conclusion, a team-based approach involving multiple clinicians and providers can offer more comprehensive and coordinated care, support, and education for patients and caregivers.
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Affiliation(s)
- Noel R Dasgupta
- Department of Cardiology, Indiana University School of Medicine, Indianapolis, Indiana.
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15
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Riccardi M, Sammartino AM, Piepoli M, Adamo M, Pagnesi M, Rosano G, Metra M, von Haehling S, Tomasoni D. Heart failure: an update from the last years and a look at the near future. ESC Heart Fail 2022; 9:3667-3693. [PMID: 36546712 PMCID: PMC9773737 DOI: 10.1002/ehf2.14257] [Citation(s) in RCA: 27] [Impact Index Per Article: 13.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2022] [Accepted: 11/21/2022] [Indexed: 12/24/2022] Open
Abstract
In the last years, major progress occurred in heart failure (HF) management. Quadruple therapy is now mandatory for all the patients with HF with reduced ejection fraction. Whilst verciguat is becoming available across several countries, omecamtiv mecarbil is waiting to be released for clinical use. Concurrent use of potassium-lowering agents may counteract hyperkalaemia and facilitate renin-angiotensin-aldosterone system inhibitor implementations. The results of the EMPagliflozin outcomE tRial in Patients With chrOnic heaRt Failure With Preserved Ejection Fraction (EMPEROR-Preserved) trial were confirmed by the Dapagliflozin in Heart Failure with Mildly Reduced or Preserved Ejection Fraction (DELIVER) trial, and we now have, for the first time, evidence for treatment of also patients with HF with preserved ejection fraction. In a pre-specified meta-analysis of major randomized controlled trials, sodium-glucose co-transporter-2 inhibitors reduced all-cause mortality, cardiovascular (CV) mortality, and HF hospitalization in the patients with HF regardless of left ventricular ejection fraction. Other steps forward have occurred in the treatment of decompensated HF. Acetazolamide in Acute Decompensated Heart Failure with Volume Overload (ADVOR) trial showed that the addition of intravenous acetazolamide to loop diuretics leads to greater decongestion vs. placebo. The addition of hydrochlorothiazide to loop diuretics was evaluated in the CLOROTIC trial. Torasemide did not change outcomes, compared with furosemide, in TRANSFORM-HF. Ferric derisomaltose had an effect on the primary outcome of CV mortality or HF rehospitalizations in IRONMAN (rate ratio 0.82; 95% confidence interval 0.66-1.02; P = 0.070). Further options for the treatment of HF, including device therapies, cardiac contractility modulation, and percutaneous treatment of valvulopathies, are summarized in this article.
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Affiliation(s)
- Mauro Riccardi
- Institute of Cardiology, ASST Spedali Civili di Brescia, Department of Medical and Surgical Specialties, Radiological Sciences, and Public HealthUniversity of BresciaBresciaItaly
| | - Antonio Maria Sammartino
- Institute of Cardiology, ASST Spedali Civili di Brescia, Department of Medical and Surgical Specialties, Radiological Sciences, and Public HealthUniversity of BresciaBresciaItaly
| | - Massimo Piepoli
- Clinical Cardiology, IRCCS Policlinico San DonatoUniversity of MilanMilanItaly
- Department of Preventive CardiologyUniversity of WrocławWrocławPoland
| | - Marianna Adamo
- Institute of Cardiology, ASST Spedali Civili di Brescia, Department of Medical and Surgical Specialties, Radiological Sciences, and Public HealthUniversity of BresciaBresciaItaly
| | - Matteo Pagnesi
- Institute of Cardiology, ASST Spedali Civili di Brescia, Department of Medical and Surgical Specialties, Radiological Sciences, and Public HealthUniversity of BresciaBresciaItaly
| | | | - Marco Metra
- Institute of Cardiology, ASST Spedali Civili di Brescia, Department of Medical and Surgical Specialties, Radiological Sciences, and Public HealthUniversity of BresciaBresciaItaly
| | - Stephan von Haehling
- Department of Cardiology and PneumologyUniversity of Goettingen Medical CenterGottingenGermany
- German Center for Cardiovascular Research (DZHK), Partner Site GöttingenGottingenGermany
| | - Daniela Tomasoni
- Institute of Cardiology, ASST Spedali Civili di Brescia, Department of Medical and Surgical Specialties, Radiological Sciences, and Public HealthUniversity of BresciaBresciaItaly
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Cardiopulmonary Exercise Physiology in AL Amyloidosis Patients with Cardiac Involvement and Its Association with Cardiac Imaging Parameters. J Clin Med 2022; 11:jcm11185437. [PMID: 36143084 PMCID: PMC9505621 DOI: 10.3390/jcm11185437] [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: 09/02/2022] [Revised: 09/11/2022] [Accepted: 09/14/2022] [Indexed: 11/17/2022] Open
Abstract
Background: Cardiopulmonary exercise testing (CPET) has been widely used for the functional evaluation of patients with heart failure. Patients with amyloidosis and cardiac involvement typically present with heart failure with preserved or mildly reduced ejection fraction. We sought to evaluate the use of CPET parameters in patients with AL amyloidosis for the assessment of disease severity and prognosis and their association with cardiac imaging findings. Methods: A single-center prospective analysis was conducted, which included 23 consecutive ambulatory patients with AL amyloidosis with cardiac involvement, not requiring hospitalization or intravenous diuretics. Patient evaluation included CPET, laboratory testing, echocardiography and cardiac MRI. The cohort was divided according to the presence of high-risk CPET characteristics (below median peak VO2 and above median VE/VCO2). Results: Patients with AL amyloidosis and cardiac involvement (median age was 60 years (56.5% males) had median peak relative VO2 (VO2/kg) of 17.8 mL/kg/min, VE/VCO2 slope of 39.4 and circulatory power of 2362.5 mmHg⋅mL/kg/min. Peak relative VO2 gradually declined across Mayo stages (p = 0.046) and exhibited a significant inverse correlation with NT-proBNP levels (r = −0.52, p = 0.01). Among imaging parameters, peak VO2 positively correlated with global work efficiency (r = 0.61, p < 0.001), and global work index (r = 0.45, p = 0.04). The group of patients with high-risk CPET findings showed evidence of more advanced disease, such as higher NT-proBNP levels (p = 0.007), increased septal and posterior left ventricular wall thickness (p = 0.043 and p = 0.033 respectively) and decreased global work efficiency (p = 0.027) without substantial differences in cardiac MRI parameters. In this group of patients, peak VO2 and VE/VCO2 were not associated significantly with overall survival and cardiac response at one year. Conclusion: In patients with AL amyloidosis, evaluation of exercise capacity with CPET identified a group of patients with more advanced cardiac involvement. The potential of CPET as a risk stratification tool in AL amyloidosis with cardiac involvement warrants further research.
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Cuddy SAM. Understanding Changes in Functional Capacity After TTR Stabilization in Patients With Transthyretin Cardiac Amyloidosis. Circ Heart Fail 2022; 15:e009387. [PMID: 35766044 DOI: 10.1161/circheartfailure.122.009387] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Affiliation(s)
- Sarah A M Cuddy
- Cardiac Amyloidosis Program, Cardiovascular Division, Department of Medicine and CV Imaging Program, Cardiovascular Division and Department of Radiology, Brigham and Women's Hospital, Boston, MA
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Antonopoulos AS, Panagiotopoulos I, Kouroutzoglou A, Koutsis G, Toskas P, Lazaros G, Toutouzas K, Tousoulis D, Tsioufis K, Vlachopoulos C. Prevalence and Clinical Outcomes of Transthyretin Amyloidosis: A Systematic Review and Meta-analysis. Eur J Heart Fail 2022; 24:1677-1696. [PMID: 35730461 DOI: 10.1002/ejhf.2589] [Citation(s) in RCA: 30] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/09/2021] [Revised: 06/10/2022] [Accepted: 06/18/2022] [Indexed: 11/07/2022] Open
Abstract
BACKGROUND Systematic evidence on the prevalence and clinical outcome of transthyretin amyloidosis (ATTR) is missing. We explored: a) the prevalence of cardiac amyloidosis in various patient subgroups, b) survival estimates for ATTR subtypes and c) the effects of novel therapeutics on the natural course of disease. METHODS A systematic review of literature published in Medline before 31/12/2021 was performed for the prevalence of cardiac amyloidosis & all-cause mortality of ATTR patients. Extracted data included sample size, age, sex, and all-cause mortality at 1, 2 and 5-years. Subgroup analyses were performed for ATTR subtype i.e., wild type ATTR (wtATTR) vs. hereditary ATTR (htATTR), htATTR genotypes and treatment subgroups. RESULTS We identified a total of 62 studies (n=277,882 individuals) reporting the prevalence of cardiac amyloidosis, which was high among patients with a hypertrophic cardiomyopathy phenotype, HFpEF, and elderly with aortic stenosis. Data on ATTR mortality were extracted from 95 studies (n=18,238 ATTR patients). Patients with wtATTR were older (p=7x10-10 ) and more frequently male (p=5x10-20 ) vs. htATTR. The 2-year survival of ATTR was 73.3% (95%CI 71.6-76.2); for non-subtyped ATTR 70.4% (95%CI 66.9-73.9), for wtATTR (76.0%, 95%CI: 73.0-78.9) and for htATTR (77.2%, 95%CI: 74.0-80.4); in meta-regression analysis wtATTR was associated with higher survival after adjusting for confounders. There was an interaction between survival and htATTR genotypes (p=10-15 , Val30Met having the lowest and Val122Ile/Thr60Ala the highest mortality). ATTR 2-year survival was higher on tafamidis/patisiran compared to natural disease course (79.9%, 95%CI: 74.4-85.3 vs. 72.4%, 95%CI 69.8-74.9, p<0.05). CONCLUSIONS We report the prevalence of ATTR in various population subgroups and provide survival estimates for the natural course of disease and the effects of novel therapeutics. Important gaps in worldwide epidemiology research in ATTR were identified. This article is protected by copyright. All rights reserved.
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Affiliation(s)
- Alexios S Antonopoulos
- 1st Cardiology Department, National and Kapodistrian University of Athens, Hippokration University Hospital, Athens, Greece
| | - Ioannis Panagiotopoulos
- 1st Cardiology Department, National and Kapodistrian University of Athens, Hippokration University Hospital, Athens, Greece
| | - Alexandrina Kouroutzoglou
- 1st Cardiology Department, National and Kapodistrian University of Athens, Hippokration University Hospital, Athens, Greece
| | - Georgios Koutsis
- Neurogenetics Unit, 1st Department of Neurology, National and Kapodistrian University of Athens, Eginition University Hospital, Athens, Greece
| | - Pantelis Toskas
- 1st Cardiology Department, National and Kapodistrian University of Athens, Hippokration University Hospital, Athens, Greece
| | - Georgios Lazaros
- 1st Cardiology Department, National and Kapodistrian University of Athens, Hippokration University Hospital, Athens, Greece
| | - Konstantinos Toutouzas
- 1st Cardiology Department, National and Kapodistrian University of Athens, Hippokration University Hospital, Athens, Greece
| | - Dimitris Tousoulis
- 1st Cardiology Department, National and Kapodistrian University of Athens, Hippokration University Hospital, Athens, Greece
| | - Konstantinos Tsioufis
- 1st Cardiology Department, National and Kapodistrian University of Athens, Hippokration University Hospital, Athens, Greece
| | - Charalambos Vlachopoulos
- 1st Cardiology Department, National and Kapodistrian University of Athens, Hippokration University Hospital, Athens, Greece
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Banydeen R, Monfort A, Inamo J, Neviere R. Diagnostic and Prognostic Values of Cardiopulmonary Exercise Testing in Cardiac Amyloidosis. Front Cardiovasc Med 2022; 9:898033. [PMID: 35734274 PMCID: PMC9207317 DOI: 10.3389/fcvm.2022.898033] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2022] [Accepted: 05/09/2022] [Indexed: 12/30/2022] Open
Abstract
Cardiac amyloidosis (CA) is a myocardial disease characterized by extracellular amyloid infiltration throughout the heart, resulting in increased myocardial stiffness, and restrictive heart wall chamber behavior. Its diagnosis among patients hospitalized for cardiovascular diseases is becoming increasingly frequent, suggesting improved disease awareness, and higher diagnostic capacities. One predominant functional manifestation of patients with CA is exercise intolerance, objectified by reduced peak oxygen uptake (VO2 peak), and assessed by metabolic cart during cardiopulmonary exercise testing (CPET). Hemodynamic adaptation to exercise in patients with CA is characterized by low myocardial contractile reserve and impaired myocardial efficiency. Rapid shallow breathing and hyperventilation, in the absence of ventilatory limitation, are also typically observed in response to exercise. Ventilatory inefficiency is further suggested by an increased VE-VCO2 slope, which has been attributed to excessive sympathoexcitation and a high physiological dead space (VD/VT) ratio during exercise. Growing evidence now suggests that, in addition to well-established biomarker risk models, a reduced VO2 peak is potentially a strong and independent predictive factor of adverse patient outcomes, both for monoclonal immunoglobulin light chain (AL) or transthyretin (ATTR) CA. Besides generating prognostic information, CPET can be used for the evaluation of the impact of therapeutic interventions in patients with CA.
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Affiliation(s)
- Rishika Banydeen
- Clinical Research Department, CHU Martinique (University Hospital of Martinique), Fort de France, France
- Cardiovascular Research Team EA7525, Université des Antilles (University of the French West Indies), Fort de France, France
| | - Astrid Monfort
- Cardiovascular Research Team EA7525, Université des Antilles (University of the French West Indies), Fort de France, France
- Cardiology Department, CHU Martinique (University Hospital of Martinique), Fort de France, France
| | - Jocelyn Inamo
- Cardiovascular Research Team EA7525, Université des Antilles (University of the French West Indies), Fort de France, France
- Cardiology Department, CHU Martinique (University Hospital of Martinique), Fort de France, France
| | - Remi Neviere
- Cardiovascular Research Team EA7525, Université des Antilles (University of the French West Indies), Fort de France, France
- Cardiopulmonary Physiology Unit, CHU Martinique (University Hospital of Martinique), Fort de France, France
- *Correspondence: Remi Neviere,
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Padelli M, Gueye P, Guilloux D, Banydeen R, Campana V, Cabie A, Neviere R. Soluble urokinase plasminogen activator receptor levels are predictive of COVID-19 severity in Afro-Caribbean patients. Biomark Med 2022; 16:169-177. [PMID: 35081737 PMCID: PMC8809376 DOI: 10.2217/bmm-2021-0669] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022] Open
Abstract
Aim: To investigate association between soluble urokinase plasminogen activator receptor (suPAR) plasma levels at admission and incidence of complications in COVID-19 patients. Patients & methods: We considered Afro-Caribbean patients (n = 64) admitted to the hospital between 1 February 2020 and 28 February 2021. Primary outcome was time from the hospital admission until intensive care unit care or death. Results: Primary outcome (hazard ratio, HR [95%CI]) was associated with higher CT scan severity score (3.18 [1.15-8.78], p = 0.025), National Early Warning Score (NEWS2; 1.43 [1.02-2.02], p = 0.041) and suPAR (1.28 [1.06-2.06], p = 0.041). Kaplan-Meier analysis indicated patients with suPAR level above 8.95 ng/ml had a worse outcome (7.95 [3.33-18.97], p < 0.001). Conclusion: Our study suggests that COVID-19 patients with increased baseline suPAR levels are at a high risk of complications.
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Affiliation(s)
- Mael Padelli
- University Hospital of Martinique, Department of Biochemistry, Fort-de-France, 97261, Martinique, France
| | - Papa Gueye
- University Hospital of Martinique, Department of Emergency Medicine, Fort-de-France, 97261, Martinique, France
| | - Diane Guilloux
- University Hospital of Martinique, Department of Critical Care Medicine, Fort-de-France, 97261, Martinique, France
| | - Rishika Banydeen
- University Hospital of Martinique, Department of Epidemiology & Biostatistics, Fort de France, 97261, Martinique, France
| | - Valentine Campana
- Centre d'Investigation Clinique Antilles Guyane, Inserm CIC 1424, Fort de France, 97261, Martinique, France
| | - Andre Cabie
- University Hospital of Martinique, Department of Infectious Diseases, Fort-de-France, 97261, Martinique, France
| | - Remi Neviere
- University Hospital of Martinique, Department of Cardiology, Fort de France, 97261, Martinique, France.,Université des Antilles, Cardiovascular Research Team EA7525, Fort de France, 97261, France
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21
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Banydeen R, Vergaro G, Deney A, Monfort A, Emdin M, Lairez O, Giguet AG, Inamo J, Neviere R. Restrictive spirometry pattern and abnormal cardiopulmonary response to exercise in transthyretin cardiac amyloidosis. Eur Respir J 2022; 59:13993003.02838-2021. [PMID: 34996829 DOI: 10.1183/13993003.02838-2021] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2021] [Accepted: 12/09/2021] [Indexed: 11/05/2022]
Affiliation(s)
- Rishika Banydeen
- Department of Clinical Research, CHU Martinique (University Hospital of Martinique), Fort de France, France.,Cardiovascular Research Team EA7525, Université des Antilles (University of the French West Indies), Fort de France, France
| | - Giuseppe Vergaro
- Institute of Life Sciences, Scuola Superiore Sant'Anna, Pisa and Division of Cardiology and Cardiovascular Medicine, Fondazione Toscana Gabriele Monasterio, Pisa
| | - Antoine Deney
- Department of Cardiology, Rangueil Hospital, CHU Toulouse (University Hospital of Toulouse), Toulouse, France
| | - Astrid Monfort
- Cardiovascular Research Team EA7525, Université des Antilles (University of the French West Indies), Fort de France, France.,Department of Cardiology, CHU Martinique (University Hospital of Martinique), Fort de France, France
| | - Michele Emdin
- Institute of Life Sciences, Scuola Superiore Sant'Anna, Pisa and Division of Cardiology and Cardiovascular Medicine, Fondazione Toscana Gabriele Monasterio, Pisa
| | - Olivier Lairez
- Department of Cardiology, Rangueil Hospital, CHU Toulouse (University Hospital of Toulouse), Toulouse, France
| | - Anna Gaelle Giguet
- Neuromuscular and Neurological Disease Reference Center (CeRCa), CHU Martinique (University Hospital of Martinique), Fort de France, France
| | - Jocelyn Inamo
- Cardiovascular Research Team EA7525, Université des Antilles (University of the French West Indies), Fort de France, France.,Department of Cardiology, CHU Martinique (University Hospital of Martinique), Fort de France, France
| | - Remi Neviere
- Cardiovascular Research Team EA7525, Université des Antilles (University of the French West Indies), Fort de France, France .,Department of Cardiology, CHU Martinique (University Hospital of Martinique), Fort de France, France
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22
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Camilli M, La Vecchia G, Lillo R, Iannaccone G, Lamendola P, Montone RA, Hohaus S, Aspromonte N, Massetti M, Lanza GA, Crea F, Graziani F, Lombardo A. Cardiovascular involvement in patients affected by multiple myeloma: a comprehensive review of recent advances. Expert Rev Hematol 2021; 14:1115-1128. [PMID: 34739762 DOI: 10.1080/17474086.2021.2003704] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Abstract
INTRODUCTION Multiple Myeloma (MM) is hematological neoplasia originating from plasma cells, which accounts for almost 1% of all oncologic malignancies. The median age of patients at diagnosis is about 65 years old and over. In this age group, cardiovascular (CV) diseases often co-exist, increasing the risk of adverse events related to MM treatment. A comprehensive search on the main educational platforms was performed and high-quality original articles and reviews were included. AREAS COVERED Patients affected by MM are at risk for heart failure, uncontrolled systemic hypertension, accelerated ischemic heart disease, arterial/venous thromboembolism, and arrhythmias. These complications may be due to the effects of chemotherapy on the CV system, which may play on preexisting risk factors, and amyloid deposition at cardiac level. EXPERT OPINION This review provides an updated overview of the spectrum of CV diseases that may affect MM patients, highlighting possible treatment strategies according to the latest recommendations. Cooperation between onco-hematologist and cardiologist is crucial in managing this population, in particular for adequate risk assessment, early diagnosis of CV complications, and proper treatment.
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Affiliation(s)
- Massimiliano Camilli
- Department of Cardiovascular and Pulmonary Sciences, Catholic University of the Sacred Heart, Rome, Italy
| | - Giulia La Vecchia
- Department of Cardiovascular and Pulmonary Sciences, Catholic University of the Sacred Heart, Rome, Italy
| | - Rosa Lillo
- Department of Cardiovascular Medicine, Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome, Italy
| | - Giulia Iannaccone
- Department of Cardiovascular and Pulmonary Sciences, Catholic University of the Sacred Heart, Rome, Italy
| | - Priscilla Lamendola
- Department of Cardiovascular Medicine, Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome, Italy
| | - Rocco Antonio Montone
- Department of Cardiovascular Medicine, Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome, Italy
| | - Stefan Hohaus
- Institute of Hematology, Catholic University of Sacred Heart, Rome, Italy.,Dipartimento Diagnostica per Immagini, Radioterapia Oncologica Ed Ematologia, Fondazione Policlinico A. Gemelli IRCCS, Roma, Italia
| | - Nadia Aspromonte
- Department of Cardiovascular and Pulmonary Sciences, Catholic University of the Sacred Heart, Rome, Italy.,Department of Cardiovascular Medicine, Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome, Italy
| | - Massimo Massetti
- Department of Cardiovascular and Pulmonary Sciences, Catholic University of the Sacred Heart, Rome, Italy.,Department of Cardiovascular Medicine, Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome, Italy
| | - Gaetano Antonio Lanza
- Department of Cardiovascular and Pulmonary Sciences, Catholic University of the Sacred Heart, Rome, Italy.,Department of Cardiovascular Medicine, Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome, Italy
| | - Filippo Crea
- Department of Cardiovascular and Pulmonary Sciences, Catholic University of the Sacred Heart, Rome, Italy.,Department of Cardiovascular Medicine, Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome, Italy
| | - Francesca Graziani
- Department of Cardiovascular Medicine, Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome, Italy
| | - Antonella Lombardo
- Department of Cardiovascular and Pulmonary Sciences, Catholic University of the Sacred Heart, Rome, Italy.,Department of Cardiovascular Medicine, Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome, Italy
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23
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Dalia T, Acharya P, Chan WC, Sauer AJ, Weidling R, Fritzlen J, Goyal A, Miller D, Knipper E, Porter CB, Shah Z. Prognostic Role of Cardiopulmonary Exercise Testing in Wild-Type Transthyretin Amyloid Cardiomyopathy Patients Treated With Tafamidis. J Card Fail 2021; 27:1285-1289. [PMID: 34280522 DOI: 10.1016/j.cardfail.2021.06.022] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2021] [Revised: 06/23/2021] [Accepted: 06/27/2021] [Indexed: 11/28/2022]
Abstract
BACKGROUND The prognostic value of cardiopulmonary exercise testing (CPET) in patients with wild-type transthyretin cardiac amyloidosis treated with tafamidis is unknown. METHODS AND RESULTS This retrospective study included patients with wtATTR who underwent baseline cardiopulmonary exercise testing and were treated with tafamidis from August 31, 2018, until March 31, 2020. Univariate logistic and multivariate cox-regression models were used to predict the occurrence of the primary outcome (composite of mortality, heart transplant, and palliative inotrope initiation). A total of 33 patients were included (median age 82 years, interquartile range [IQR] 79-84 years), 84% were Caucasians and 79% were males). Majority of patients had New York Heart Association functional class III disease at baseline (67%). The baseline median peak oxygen consumption (VO2) and peak circulatory power (CP) were 11.35 mL/kg/min (IQR 8.5-14.2 mL/kg/min) and 1485.8 mm Hg/mL/min (IQR 988-2184 mm Hg/mL/min), respectively, the median ventilatory efficiency was 35.7 (IQR 31-41.2). After 1 year of follow-up, 11 patients experienced a primary end point. Upon multivariate analysis, the low peak VO2 (hazard ratio [HR] 0.43, 95% confidence interval [CI] 0.23-0.79, P = .007], peak CP (HR 0.98, 95% CI 0.98-0.99, P = .02), peak oxygen pulse (HR 0.62, 95% CI 0.39-0.97, P = .03), and exercise duration of less than 5.5 minutes (HR 5.82, 95% CI 1.29-26.2, P = .02) were significantly associated with the primary outcome. CONCLUSIONS Tafamidis-treated patients with wtATTR who had baseline low peak VO2, peak CP, peak O2 pulse, and exercise duration of less than 5.5 minutes had worse outcomes.
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Affiliation(s)
- Tarun Dalia
- Department of Cardiovascular Medicine, University of Kansas Medical Center, 3901 Rainbow Blvd, Kansas City, Kansas
| | - Prakash Acharya
- Department of Cardiovascular Medicine, University of Kansas Medical Center, 3901 Rainbow Blvd, Kansas City, Kansas
| | - Wan-Chi Chan
- Department of Cardiovascular Medicine, University of Kansas Medical Center, 3901 Rainbow Blvd, Kansas City, Kansas
| | - Andrew J Sauer
- Department of Cardiovascular Medicine, University of Kansas Medical Center, 3901 Rainbow Blvd, Kansas City, Kansas
| | - Robert Weidling
- Department of Internal Medicine, University of Kansas Medical Center, Kansas City, Kansas
| | - John Fritzlen
- Department of Internal Medicine, University of Kansas Medical Center, Kansas City, Kansas
| | - Amandeep Goyal
- Department of Cardiovascular Medicine, University of Kansas Medical Center, 3901 Rainbow Blvd, Kansas City, Kansas
| | - Dana Miller
- Department of Cardiovascular Medicine, University of Kansas Medical Center, 3901 Rainbow Blvd, Kansas City, Kansas
| | - Elaine Knipper
- Department of Nursing, University of Kansas Medical Center, 3901 Rainbow Blvd, Kansas City, Kansas
| | - Charles B Porter
- Department of Cardiovascular Medicine, University of Kansas Medical Center, 3901 Rainbow Blvd, Kansas City, Kansas
| | - Zubair Shah
- Department of Cardiovascular Medicine, University of Kansas Medical Center, 3901 Rainbow Blvd, Kansas City, Kansas.
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24
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Pagnesi M, Adamo M, Metra M. February 2021 at a glance: focus on amyloidosis, myocarditis and cardiomyopathy. Eur J Heart Fail 2021; 23:201-202. [PMID: 33783082 DOI: 10.1002/ejhf.1876] [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: 11/05/2022] Open
Affiliation(s)
- Matteo Pagnesi
- Cardiac Catheterization Laboratory and Cardiology, Cardio-thoracic Department, Civil Hospitals; Department of Medical and Surgical Specialties, Radiological Sciences, and Public Health, University of Brescia, Brescia, Italy
| | - Marianna Adamo
- Cardiac Catheterization Laboratory and Cardiology, Cardio-thoracic Department, Civil Hospitals; Department of Medical and Surgical Specialties, Radiological Sciences, and Public Health, University of Brescia, Brescia, Italy
| | - Marco Metra
- Cardiac Catheterization Laboratory and Cardiology, Cardio-thoracic Department, Civil Hospitals; Department of Medical and Surgical Specialties, Radiological Sciences, and Public Health, University of Brescia, Brescia, Italy
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25
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Castiglione V, Franzini M, Aimo A, Carecci A, Lombardi CM, Passino C, Rapezzi C, Emdin M, Vergaro G. Use of biomarkers to diagnose and manage cardiac amyloidosis. Eur J Heart Fail 2021; 23:217-230. [PMID: 33527656 DOI: 10.1002/ejhf.2113] [Citation(s) in RCA: 29] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/13/2020] [Revised: 11/28/2020] [Accepted: 01/25/2021] [Indexed: 12/22/2022] Open
Abstract
Amyloidoses are characterized by the tissue accumulation of misfolded proteins into insoluble fibrils. The two most common types of systemic amyloidosis result from the deposition of immunoglobulin light chains (AL) and wild-type or variant transthyretin (ATTRwt/ATTRv). Cardiac involvement is the main determinant of outcome in both AL and ATTR, and cardiac amyloidosis (CA) is increasingly recognized as a cause of heart failure. In CA, circulating biomarkers are important diagnostic tools, allow to refine risk stratification at baseline and during follow-up, help to tailor the therapeutic strategy and monitor the response to treatment. Among amyloid precursors, free light chains are established biomarkers in AL amyloidosis, while the plasma transthyretin assay is currently being investigated as a tool for supporting the diagnosis of ATTRv amyloidosis, predicting outcome and monitor response to novel tetramer stabilizers or small interfering RNA drugs in ATTR CA. Natriuretic peptides (NPs) and troponins are consistently elevated in patients with AL and ATTR CA. Plasma NPs, troponins and free light chains hold prognostic significance in AL amyloidosis, and are evaluated for therapy decision-making and follow-up, while the value of NPs and troponins in ATTR is less well established. Biomarkers can be usefully integrated with clinical and imaging variables at all levels of the clinical algorithm of systemic amyloidosis, from screening to diagnosis and prognosis, and treatment tailoring.
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Affiliation(s)
| | - Maria Franzini
- Department of Translational Research and of New Surgical and Medical Technologies, University of Pisa, Pisa, Italy
| | - Alberto Aimo
- Institute of Life Sciences, Scuola Superiore Sant'Anna, Pisa, Italy.,Fondazione Toscana Gabriele Monasterio, Pisa, Italy
| | | | - Carlo Mario Lombardi
- Department of Medical and Surgical Specialties, Radiological Sciences, and Public Health University and Civil Hospital, Brescia, Italy
| | - Claudio Passino
- Institute of Life Sciences, Scuola Superiore Sant'Anna, Pisa, Italy.,Fondazione Toscana Gabriele Monasterio, Pisa, Italy
| | - Claudio Rapezzi
- Centro Cardiologico Universitario di Ferrara, University of Ferrara, Ferrara, Italy.,Maria Cecilia Hospital, GVM Care & Research, Cotignola, Italy
| | - Michele Emdin
- Institute of Life Sciences, Scuola Superiore Sant'Anna, Pisa, Italy.,Fondazione Toscana Gabriele Monasterio, Pisa, Italy
| | - Giuseppe Vergaro
- Institute of Life Sciences, Scuola Superiore Sant'Anna, Pisa, Italy.,Fondazione Toscana Gabriele Monasterio, Pisa, Italy
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