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      Fatigue: A Complex Symptom and its Impact on Cancer and Heart Failure Translated title: Fadiga: Um Sintoma Complexo e seu Impacto no Câncer e na Insuficiência Cardíaca

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          Abstract

          Abstract In chronic diseases like cancer and heart failure (HF), fatigue is a common and complex symptom from an etiological and pathophysiological point of view, thus, a relevant issue in the recent area of oncocardiology. Fatigue is prevalent in 80-90% of the oncological patients treated with chemotherapy and/or radiotherapy and affects approximately 50-96% of the individuals with IC. The toxicity attributed to chemotherapeutic agents can determine the patients’ degree of fatigue and may even predict their survival. In recent decades, the advancement of antineoplastic therapies has substantially impacted the survival of patients with cancer, and the risks of harmful effects from these therapies to the cardiovascular system have been increasingly described. Therefore, the cooperation between oncologists and cardiologists has led to the emergence of oncocardiology and the new concept of cardiac surveillance. Cardiotoxicity is one of the clinical complications in the treatment of cancer, and its typical manifestation is left ventricular systolic dysfunction. New diagnostic and therapeutic strategies have been employed in the cardiac surveillance of patients with cancer. Fatigue in these patients has been carefully studied with a multidisciplinary approach and with the development of visual scales to quantify and correlate better its real impact on these individuals’ quality of life and survival. The Fatigue Pictogram and Piper Fatigue Scale are tools increasingly used in research and clinical practice. The mechanisms involved in fatigue, from a conceptual point of view, may be of central (central nervous system) or peripheral (muscular skeletal) origin, both of which may be present in patients with cancer. The present review aims to discuss the new concepts in the assessment of fatigue in oncological patients. These concepts are fundamental to professionals who work in the emerging area of oncocardiology.

          Translated abstract

          Resumo Nas doenças crônicas, como câncer e insuficiência cardíaca (IC), a fadiga é um sintoma comum e complexo do ponto de vista etiológico e fisiopatológico, portanto, um tema de relevância na recente área da cardio-oncologia. A fadiga é prevalente em 80-90% dos pacientes oncológicos tratados com quimioterapia e/ou radioterapia e acomete cerca de 50-96% dos indivíduos com IC. A toxicidade atribuída aos quimioterápicos pode determinar o grau de fadiga do paciente e até predizer sua sobrevida. Nas últimas décadas, o avanço das terapias antineoplásicas impactaram substancialmente a sobrevida dos pacientes com câncer, e os riscos dos efeitos lesivos destas terapias ao sistema cardiovascular têm sido cada vez mais descritos. Portanto, a cooperação entre oncologistas e cardiologistas levou ao surgimento da cardio-oncologia e do novo conceito de cardiovigilância. A cardiotoxicidade é uma das complicações clínicas no tratamento do câncer, apresentando como manifestação típica a disfunção sistólica ventricular esquerda. Novas estratégias diagnósticas e terapêuticas têm sido empregadas na cardiovigilância em pacientes com câncer. A fadiga nestes pacientes vem sendo estudada criteriosamente com um olhar multidisciplinar e com o desenvolvimento de escalas visuais para melhor quantificar e correlacionar o seu real impacto na qualidade de vida e sobrevida destes indivíduos. O Pictograma de Fadiga e Escala de Fadiga de Piper são ferramentas cada vez mais utilizadas na pesquisa e na prática clínica. Os mecanismos envolvidos na fadiga, do ponto de vista conceitual, podem ser de origem central (sistema nervoso central) ou periférica (musculoesquelética), ambos os quais podem estar presentes no paciente com câncer. A presente revisão objetiva discutir os novos conceitos na avaliação da fadiga em pacientes oncológicos. Esses conceitos são fundamentais aos profissionais que atuam na emergente área da cardio-oncologia.

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          Most cited references48

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          Arterial thromboembolic events in patients with metastatic carcinoma treated with chemotherapy and bevacizumab.

          Although combination treatment with bevacizumab (humanized monoclonal antibody against vascular endothelial growth factor) and chemotherapy improves survival of patients with various metastatic carcinomas, an increased risk of arterial thromboembolic events has been observed in some trials. We characterized this risk by performing post hoc analyses of randomized controlled trials that evaluated combination treatment with bevacizumab and chemotherapy versus chemotherapy alone. Low-dose aspirin was permitted in these trials, and its safety was also analyzed. Data were pooled from five randomized controlled trials that included a total of 1745 patients with metastatic colorectal, breast, or non-small-cell lung carcinoma. The risk of an arterial or venous thromboembolic event was assessed by simple incidence rates, rates per 100 person-years, and/or hazard ratios (HRs). The association between patient characteristics and risk of an arterial thromboembolic event was investigated primarily by Cox proportional hazards regression. The relationship between low-dose aspirin and bleeding was explored by incidence rates and rates per 100 person-years. Combined treatment with bevacizumab and chemotherapy, compared with chemotherapy alone, was associated with increased risk for an arterial thromboembolic event (HR = 2.0, 95% confidence interval [CI] = 1.05 to 3.75; P = .031) but not for a venous thromboembolic event (HR = 0.89, 95% CI = 0.66 to 1.20; P = .44). The absolute rate of developing an arterial thromboembolism was 5.5 events per 100 person-years for those receiving combination therapy and 3.1 events per 100 person-years for those receiving chemotherapy alone (ratio = 1.8, 95% CI = 0.94 to 3.33; P = .076). Development of an arterial thromboembolic event was associated with a prior arterial thromboembolic event (P<.001) or age of 65 years or older (P = .01). Baseline or on-study aspirin use was associated with modest increases in grade 3 and 4 bleeding events in both treatment groups, from 3.6% to 4.7% for bevacizumab-treated patients and from 1.7% to 2.2% for control subjects. Combination treatment with bevacizumab and chemotherapy, compared with chemotherapy alone, was associated with an increased risk of arterial thromboembolism but not venous thromboembolism.
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            Cancer drugs and the heart: importance and management.

            Progress in the detection and treatment of cancer has led to an impressive reduction in both mortality and morbidity. Due to their mechanism of action, however, conventional chemotherapeutics and some of the newer anti-cancer signaling inhibitors carry a substantial risk of cardiovascular side effects that include cardiac dysfunction and heart failure, arterial hypertension, vasospastic and thromboembolic ischaemia, dysrhythmia, and QT prolongation. While some of these side effects are irreversible and cause progressive cardiovascular disease, others induce only temporary dysfunction with no apparent long-term sequelae for the patient. The challenge for the cardiovascular specialist is to balance the need for life-saving cancer treatment with the assessment of risk from cancer drug-associated cardiovascular side effects to prevent long-term damage. This review discusses concepts for timely diagnosis, intervention, and surveillance of cancer patients undergoing treatment, and provides approaches to clinical uncertainties.
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              Effects of person-centred and integrated chronic heart failure and palliative home care. PREFER: a randomized controlled study.

              We evaluated the outcome of person-centred and integrated Palliative advanced home caRE and heart FailurE caRe (PREFER) with regard to patient symptoms, health-related quality of life (HQRL), and hospitalizations compared with usual care. From January 2011 to October 2012, 36 (26 males, 10 females, mean age 81.9 years) patients with chronic heart failure (NYHA class III-IV) were randomized to PREFER and 36 (25 males, 11 females, mean age 76.6 years) to the control group at a single centre. Prospective assessments were made at 1, 3, and 6 months using the Edmonton Symptom Assessment Scale, Euro Qol, Kansas City Cardiomyopathy Questionnaire, and rehospitalizations. Between-group analysis revealed that patients receiving PREFER had improved HRQL compared with controls (57.6 ± 19.2 vs. 48.5 ± 24.4, age-adjusted P-value = 0.05). Within-group analysis revealed a 26% improvement in the PREFER group for HRQL (P = 0.046) compared with 3% (P = 0.82) in the control group. Nausea was improved in the PREFER group (2.4 ± 2.7 vs. 1.7 ± 1.7, P = 0.02), and total symptom burden, self-efficacy, and quality of life improved by 18% (P = 0.035), 17% (P = 0.041), and 24% (P = 0.047), respectively. NYHA class improved in 11 of the 28 (39%) PREFER patients compared with 3 of the 29 (10%) control patients (P = 0.015). Fifteen rehospitalizations (103 days) occurred in the PREFER group, compared with 53 (305 days) in the control group. Person-centred care combined with active heart failure and palliative care at home has the potential to improve quality of life and morbidity substantially in patients with severe chronic heart failure. NCT01304381. © 2014 The Authors. European Journal of Heart Failure © 2014 European Society of Cardiology.
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                Author and article information

                Contributors
                Role: ND
                Role: ND
                Role: ND
                Role: ND
                Role: ND
                Journal
                ijcs
                International Journal of Cardiovascular Sciences
                Int. J. Cardiovasc. Sci.
                Sociedade Brasileira de Cardiologia (Rio de Janeiro, RJ, Brazil )
                2359-4802
                2359-5647
                August 2018
                : 31
                : 4
                : 433-442
                Affiliations
                [1] Niterói Rio de Janeiro orgnameUniversidade Federal Fluminense Brazil
                Article
                S2359-56472018000400433
                10.5935/2359-4802.20180027
                de70b831-c661-4ceb-bd29-f9b915b65385

                This work is licensed under a Creative Commons Attribution 4.0 International License.

                History
                : 19 December 2017
                : 11 April 2017
                Page count
                Figures: 0, Tables: 0, Equations: 0, References: 55, Pages: 10
                Product

                SciELO Brazil


                Neoplasias / fisiopatologia,Insuficiência Cardíaca / fisiopatologia,Heart Failure / physiopathology,Ventricular Dysfunction, Left,Cardiotoxicidade / complicações,Neoplasms / physiopathology,Disfunção Ventricular Esquerda,Neoplasias / quimioterapia,Neoplasias / drug therapy,Cardiotoxicity / complications

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