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1.
Artigo em Inglês | MEDLINE | ID: mdl-31875779

RESUMO

BACKGROUND: Heart Failure (HF) is accompanied by a high cost of care and gloomy prognosis despite recent advances in its management. Therefore, efforts to minimize HF rehospitalizations is a major focus of several studies. METHODS: We conducted a retrospective cohort study of 140 patients 18 years and above who had baseline clinical parameters, echocardiography, NT-ProBNP, troponin I and other laboratory parameters following a 3-year electronic medical record review. Patients with coronary artery disease, preserved ejection fraction, pulmonary embolism, cancer, and end-stage renal disease were excluded. RESULTS: Of the 140 patients admitted with HF with reduced Ejection Fraction (HFrEF) secondary to non-ischemic cardiomyopathy, 15 were re-hospitalized within 30 days of discharge while 42 were rehospitalized within 6 months after discharge for decompensated HF. Receiver operating characteristic (ROC) cutoff points were obtained for NT-ProBNP at 5178 pg/ml and serum troponin I at 0.045 ng/ml. After Cox regression analysis, patients with HFrEF who had higher hemoglobin levels had reduced odds of re-hospitalization (p = 0.007) within 30 days after discharge. NT-ProBNP and troponin I were independent predictors of re-hospitalization at 6 months after discharge (p = 0.047 and p = 0.02), respectively, after Cox regression analysis. CONCLUSION: Troponin I and NT-ProBNP at admission are the best predictors of re-hospitalization 6 months after discharge among patients with HFrEF. Hemoglobin is the only predictor of 30 -day rehospitalization among HFrEF patients in this study. High-risk patients may require aggressive therapy to improve outcomes.


Assuntos
Cardiomiopatias/complicações , Insuficiência Cardíaca/sangue , Insuficiência Cardíaca/etiologia , Peptídeo Natriurético Encefálico/sangue , Fragmentos de Peptídeos/sangue , Troponina I/sangue , Idoso , Idoso de 80 Anos ou mais , Biomarcadores/sangue , Feminino , Insuficiência Cardíaca/diagnóstico , Insuficiência Cardíaca/fisiopatologia , Hospitalização , Humanos , Masculino , Pessoa de Meia-Idade , Prognóstico , Estudos Retrospectivos , Volume Sistólico
2.
Mem. Inst. Invest. Cienc. Salud (Impr.) ; 17(3): 82-96, dic.2019. ilus, tab
Artigo em Espanhol | LILACS, BDNPAR | ID: biblio-1048069

RESUMO

La insuficiencia cardiaca aguda (ICA) se define como la aparición rápida o el empeoramiento de los síntomas o signos de IC. Es una entidad potencialmente mortal que requiere evaluación y tratamiento urgentes y típicamente conlleva la hospitalización urgente. La descompensación de la insuficiencia cardiaca crónica puede ocurrir sin que existan factores desencadenantes conocidos. Se produce una disfunción endotelial que puede deberse a un desequilibrio en el medio neuro-hormonal, inflamatorio, y oxidativo en la circulación y en las células endoteliales. Se produce clínicamente hipoperfusión miocárdica, reducción del flujo coronario, disfunción isquémica, aumento de la rigidez vascular y deterioro de la distensibilidad arterial que agravan en mayor medida la lesión miocárdica. La evaluación inicial y la monitorización no invasiva continua de las funciones vitales cardiorrespiratorias son esenciales. Los diuréticos son la piedra angular del tratamiento de los pacientes con ICA y signos de sobrecarga de fluidos y congestión. La terapia de reemplazo renal se debe reservar para pacientes que no responden al tratamiento con diuréticos. Los vasodilatadores intravenosos son los segundos fármacos más utilizados en la ICA para el alivio de los síntomas; sin embargo, no existen pruebas definitivas que confirmen su efecto beneficioso. El uso de inotrópicos debería estar reservado a los pacientes con disfunción sistólica que afecta a la perfusión de órganos vitales. Los dispositivos de asistencia ventricular y otras formas de asistencia mecánica circulatoria pueden emplearse como tratamiento puente en pacientes seleccionados(AU)


Acute heart failure (AHF) is defined as the rapid onset or worsening of the symptoms or signs of heart failure. It is a potentially fatal entity that requires urgent evaluation and treatment and typically involves urgent hospitalization. Decompensation of chronic heart failure can occur without known triggers. An endothelial dysfunction occurs that may be due to an imbalance in the neuro-hormonal, inflammatory, and oxidative environment in the circulation and in the endothelial cells. Myocardial hypoperfusion is clinically produced, coronary flow reduction, ischemic dysfunction, increased vascular rigidity and deterioration of arterial compliance that aggravate myocardial injury to a greater extent. Initial evaluation and continuous non-invasive monitoring of vital cardiorespiratory functions are essential. Diuretics are the cornerstone of the treatment of patients with AHF and signs of fluid overload and congestion. Renal replacement therapy should be reserved for patients who do not respond to treatment with diuretics. Intravenous vasodilators are the second most used drugs in the AHF for the relief of symptoms; however, there is no definitive evidence to confirm its beneficial effect. The use of inotropics should be reserved for patients with systolic dysfunction that affects the perfusion of vital organs. Ventricular assist devices and other forms of mechanical circulatory assistance can be used as a bridge treatment in selected patients(AU)


Assuntos
Insuficiência Cardíaca , Insuficiência Cardíaca/fisiopatologia , Terapêutica
3.
Ther Adv Cardiovasc Dis ; 13: 1753944719894509, 2019.
Artigo em Inglês | MEDLINE | ID: mdl-31854243

RESUMO

BACKGROUND: It is known that once heart failure occurs in older patients with diabetes, the overall prognosis is extremely poor. We investigated whether early initiation of SGLT2 inhibitor therapy after admission was beneficial for diabetic patients requiring inpatient treatment for acute heart failure. METHODS: We retrospectively assessed consecutive patients with comorbid diabetes who were admitted to the Department of Cardiology in Tosei General Hospital for treatment of acute heart failure. Patients were divided into two groups: those who initiated SGLT2 inhibitor therapy (SGLT2 inhibitor group; mean age: 73 ± 9 years) and those who did not receive the inhibitors during hospitalization (conventional treatment group; mean age: 75 ± 10 years). RESULTS: No intergroup differences were observed in the distribution of either the severity or classes of heart failure on admission. Glycosylated hemoglobin levels were significantly higher in the SGLT2 inhibitor group (HbA1c: 8.1% ± 0.8%) than in the conventional treatment group (HbA1c: 7.1% ± 0.8%) (p = 0.003). After admission, patients in both groups recovered equally well, and in almost the same period of time, before discharge. The rate of diuretics use at the time of discharge in the SGLT2 inhibitor group (n = 8, 67%) was significantly lower than that in the conventional treatment group (n = 19, 100%) (p = 0.016). In particular, the dose of loop diuretics in the conventional treatment group was 34 ± 4 mg/day while that in the SGLT2 inhibitor group was significantly lower at 13 ± 5 mg/day (p = 0.008). During hospitalization, the incidence of acute kidney injury was significantly higher in the conventional treatment group (n = 11, 58%) than in the SGLT2 inhibitor group (n = 2, 16%) (p = 0.031). CONCLUSIONS: For the treatment and management of heart failure in patients with diabetes, early initiation of SGLT2 inhibitor therapy appears to be effective.


Assuntos
Glicemia/efeitos dos fármacos , Diabetes Mellitus Tipo 2/tratamento farmacológico , Insuficiência Cardíaca/tratamento farmacológico , Inibidores de Simportadores de Cloreto de Sódio e Potássio/administração & dosagem , Inibidores do Transportador 2 de Sódio-Glicose/administração & dosagem , Doença Aguda , Lesão Renal Aguda/epidemiologia , Lesão Renal Aguda/prevenção & controle , Idoso , Idoso de 80 Anos ou mais , Biomarcadores/sangue , Glicemia/metabolismo , Comorbidade , Diabetes Mellitus Tipo 2/sangue , Diabetes Mellitus Tipo 2/diagnóstico , Diabetes Mellitus Tipo 2/epidemiologia , Feminino , Hemoglobina A Glicada/metabolismo , Insuficiência Cardíaca/diagnóstico , Insuficiência Cardíaca/epidemiologia , Insuficiência Cardíaca/fisiopatologia , Humanos , Japão/epidemiologia , Masculino , Pessoa de Meia-Idade , Admissão do Paciente , Intervalo Livre de Progressão , Recuperação de Função Fisiológica , Estudos Retrospectivos , Fatores de Risco , Inibidores de Simportadores de Cloreto de Sódio e Potássio/efeitos adversos , Inibidores do Transportador 2 de Sódio-Glicose/efeitos adversos , Fatores de Tempo
4.
Pan Afr Med J ; 33: 251, 2019.
Artigo em Francês | MEDLINE | ID: mdl-31692700

RESUMO

Introduction: Acute Heart Failure (AHF) is a specific syndromic disorder grouping several heterogeneous clinical conditions frequently seen in the emergency department. This study aimed to describe the epidemiological, clinical, therapeutic and prognostic features of patients with AHF admitted to the emergency department. Methods: We conducted a prospective, descriptive study in the emergency department. It included all patients admitted with AHF. We studied the epidemiological, clinical, therapeutic and prognostic features of these patients. Results: The study enrolled 180 patients with AHF admitted to the emergency department. Sex ratio was 1.27. The average age of patients was 66±12 years. Eighty-two percent of patients were hypertensive and 69% were known diabetic patients. The causes of decompensation included primarily hypertensive crisis (61.7% of patients), acute coronary syndrome (24% of patients). Respiratory support was mainly provided by CPAP (Continuous Positive Airway Pressure) in 73.3% of cases. Pharmacological treatment was based on nitrate derivatives (70% of cases) and diuretic (40.5% of cases). Acute heart failure incidence at one month was 21.7% (n=39 patients) and mortality rate at 3 months was 13.3%. Conclusion: Patients with AHF treated in the emergency department mainly had hypertensive crisis. Treatment is primarily based on CPAP, vasodilators and diuretics. Recurrence rate and mortality rate were high.


Assuntos
Síndrome Coronariana Aguda/complicações , Pressão Positiva Contínua nas Vias Aéreas/métodos , Insuficiência Cardíaca/epidemiologia , Hipertensão/complicações , Síndrome Coronariana Aguda/epidemiologia , Doença Aguda , Adulto , Idoso , Idoso de 80 Anos ou mais , Diuréticos/administração & dosagem , Serviço Hospitalar de Emergência , Feminino , Insuficiência Cardíaca/fisiopatologia , Insuficiência Cardíaca/terapia , Humanos , Hipertensão/epidemiologia , Masculino , Pessoa de Meia-Idade , Nitratos/administração & dosagem , Prognóstico , Estudos Prospectivos , Recidiva , Tunísia , Adulto Jovem
5.
Acta Cir Bras ; 34(8): e201900807, 2019.
Artigo em Inglês | MEDLINE | ID: mdl-31618407

RESUMO

PURPOSE: To investigate the effect of tanshinone IIA (TIIA) on ventricular remodeling in rats with pressure overload-induced heart failure. METHODS: Pressure overload-induced heart failure model (abdominal aortic coarctation) was established in 40 rats, which were divided into model and 5, 10 and 20 mg/kg TIIA groups. Ten rats receiving laparotomy excepting abdominal aortic coarctation were enrolled in sham-operated group. The 5, 10 and 20 mg/kg TIIA groups were treated with 5, 10 and 20 mg/kg TIIA, respectively, for 8 weeks. RESULTS: Compared with model group, in 20 mg/kg TIIA group the left ventricular ejection fraction, left ventricular fractional shortening, left ventricular systolic pressure, ±maximum left ventricular pressure rising and dropping rate, and myocardial B-cell lymphoma-2 and cleaved cysteinyl aspartate specific proteinase-3 protein levels were increased, respectively (P<0.05), and the left ventricular end diastolic diameter, left ventricular end systolic diameter, left ventricular end diastolic pressure, heart weight index, left ventricular weight index, serum B-type brain natriuretic peptide, interleukin 6 and C-reactive protein levels and myocardial B-cell lymphoma-2 associated X protein level were decreased, respectively (P<0.05). CONCLUSION: TIIA may alleviate ventricular remodeling in rats with pressure overload-induced heart failure heart by reducing inflammatory response and cardiomyocyte apoptosis.


Assuntos
/farmacologia , Insuficiência Cardíaca/fisiopatologia , Coração/efeitos dos fármacos , Imunossupressores/farmacologia , Remodelação Ventricular/efeitos dos fármacos , Animais , Modelos Animais de Doenças , Ventrículos do Coração/fisiopatologia , Masculino , Distribuição Aleatória , Ratos , Pressão Ventricular
7.
Medicine (Baltimore) ; 98(39): e17296, 2019 Sep.
Artigo em Inglês | MEDLINE | ID: mdl-31574852

RESUMO

The angiotensin-receptor-neprilysin inhibitor (ARNI) reduced cardiovascular deaths and heart failure hospitalization in patients with heart failure of reduced ejection fraction (HFrEF). Its role in non-HFrEF patients was not clear. This study aims to answer this question.In this retrospective study, we enrolled 928 patients diagnosed with non-HFrEF, 492 of them received angiotensin converting enzyme inhibitor (ACEI) and the rest 436 received angiotensin-receptor-neprilysin inhibitor. Outcomes were compared by Kaplan-Meier survival analysis and various clinical parameters were investigated using Cox multivariable analysis, followed by interaction analysis. Minnesota living with heart failure Questionnaire (MLHFQ) was employed as one of the criteria to assess heart failure outcome.The cardiovascular (CV) death or HF hospitalization at 24 months occurred in 49 patients in ACEI group compared with 31 in ARNI group (Hazard Ratio (HR): 1.231, 95% confidence Interval (CI): 1.080-2.460, P = .031). And ARNI showed better prognosis of HF hospitalization (HR: 1.283, 95%CI: 1.065-1.360, P = .038). Cumulative Kaplan-Meier estimates of endpoints, ARNI could reduce the incidence of CV death or HF hospitalization (P = .042) and HF hospitalization (P = .035). The stratified analysis revealed that participants with age less than 70 years old had a lower incidence of CV death or HF hospitalization (HR: 1.194, 95%CI: 1.011-1992, P = .031) after treated with ARNI. Patients received diuretics could benefit from ARNI (HR: 1.383, 95%CI: 1.082-1.471, P = .019). Similar results were also observed in patients with heart rate lower than 90 bpm (HR: 1.556, 95%CI: 1.045-2.386, P = .003) and patients with atrial fibrillation history (HR: 1.873, 95%CI: 1.420-2.809, P = .011). ARNI could improve the quality of life both from the total, emotional and physical aspects.ARNI is an efficacy treatment strategy to improve the outcome and quality of life in patients with non-HFrEF.


Assuntos
Antagonistas de Receptores de Angiotensina , Insuficiência Cardíaca , Hospitalização/estatística & dados numéricos , Neprilisina/antagonistas & inibidores , Qualidade de Vida , Volume Sistólico , Idoso , Antagonistas de Receptores de Angiotensina/administração & dosagem , Antagonistas de Receptores de Angiotensina/efeitos adversos , China/epidemiologia , Feminino , Insuficiência Cardíaca/tratamento farmacológico , Insuficiência Cardíaca/mortalidade , Insuficiência Cardíaca/fisiopatologia , Insuficiência Cardíaca/psicologia , Humanos , Estimativa de Kaplan-Meier , Masculino , Pessoa de Meia-Idade , Prognóstico , Estudos Retrospectivos , Resultado do Tratamento , Função Ventricular Esquerda
8.
Z Gerontol Geriatr ; 52(7): 701-712, 2019 Nov.
Artigo em Alemão | MEDLINE | ID: mdl-31578609

RESUMO

Clinical symptoms of heart failure in older patients can be similar to those of other diseases in geriatrics. Therefore, the diagnosis should be confirmed by echocardiography. The treatment of older patients with heart failure with reduced left ventricular ejection fraction (HFrEF) should be carried out in accordance with the guidelines with regular control of volume status, renal function and serum electrolytes. Due to the lack of effective treatment of heart failure with preserved ejection faction (HFpEF) blood pressure control as a measure of prevention is important. Patients can benefit from the new treatment options for secondary mitral regurgitation if the patient selection is correct. For older and frail patients a special management would be desirable, with the aim of reducing functional loss through hospitalization. In order to reduce the rehospitalization rate of older patients, it is necessary to improve the collaboration between outpatient and inpatient care providers and nursing personnel should be better qualified.


Assuntos
Insuficiência Cardíaca/tratamento farmacológico , Antagonistas de Receptores de Mineralocorticoides/uso terapêutico , Neprilisina/uso terapêutico , Guias de Prática Clínica como Assunto , Volume Sistólico/efeitos dos fármacos , Volume Sistólico/fisiologia , Função Ventricular Esquerda/fisiologia , Idoso , Doença Crônica , Fragilidade , Insuficiência Cardíaca/diagnóstico , Insuficiência Cardíaca/fisiopatologia , Hospitalização , Humanos , Insuficiência da Valva Mitral
9.
Adv Exp Med Biol ; 1161: 45-64, 2019.
Artigo em Inglês | MEDLINE | ID: mdl-31562621

RESUMO

After myocardial infarction, splenic leukocytes direct biosynthesis of specialized pro-resolving mediators (SPMs) that are essential for the resolution of inflammation and tissue repair. In a laboratory environment, after coronary ligation of healthy risk free rodents (young adult mice) leukocytes biosynthesize SPMs with induced activity of lipoxygenases and cyclooxygenases, which facilitate cardiac repair. Activated monocytes/macrophages drive the biosynthesis of SPMs following experimental myocardial infarction in mice during the acute heart failure. In the presented review, we provided the recent updates on SPMs (resolvins, lipoxins and maresins) in cardiac repair that may serve as novel therapeutics for future heart failure therapy/management. We incorporated the underlying causes of non-resolving inflammation following cardiac injury if superimposed with obesity, hypertension, diabetes, disrupted circadian rhythm, co-medication (painkillers or oncological therapeutics), and/or aging that may delay or impair the biosynthesis of SPMs, intensifying pathological remodeling in heart failure.


Assuntos
Insuficiência Cardíaca , Mediadores da Inflamação , Animais , Insuficiência Cardíaca/fisiopatologia , Insuficiência Cardíaca/terapia , Humanos , Inflamação/fisiopatologia , Mediadores da Inflamação/metabolismo , Mediadores da Inflamação/uso terapêutico , Leucócitos , Infarto do Miocárdio
10.
Pneumologie ; 73(11): 651-669, 2019 Nov.
Artigo em Alemão | MEDLINE | ID: mdl-31499562

RESUMO

When caring for patients with respiratory diseases, always think of the heart! This is especially important for COPD patients, but also for a variety of other disorders of the respiratory system. At the workshop "Luftschlösser", held once more at Wiesbaden, Germany in February 2019 the many and important interactions of the lungs and the heart as well as the therapeutic implications were discussed. Based on pathophysiology, the psycho-social consequences of dyspnea, the leading symptom in patients with lung and heart disease became apparent. A particularly demanding diagnostic and therapeutic situation occurs in patients suffering simultaneously of lung and heart disease. It has been shown how frequently the diagnosis myocardial infarction is missed in COPD patients - and vice versa. Surprisingly, this is also the case in asthmatics with coronary heart disease or heart failure, a fact not readily known in clinical practice. In patients with emphysema and no apparent heart disease, hyperinflation leads to significantly restricted heart function. Reducing hyperinflation by inhaling broncholytics thus improves heart function. Biomarkers are increasingly being used for diagnostic purposes. Their role is being investigated in the large German COPD cohort COSYCONET. Lung patients suffering from more severe heart diseases pose a challenge for therapy in intensive care, especially when ventilated, and weaning from the ventilator is prolonged. Lung vessel diseases are "classic" examples of the intimate interaction of the lungs and the heart. In pulmonary arterial hypertension as well as in chronic thrombo-embolic pulmonary hypertension the lag time between the first symptoms and the definite diagnosis is often unacceptably long. For both diseases of the lung vessels therapeutic options have improved significantly over the last years. Pulmonologists should take care of this increasingly important patient group. Sleep-related breathing disorders and heart function are closely intertwined. Both conditions need special attention after the results of the SERVE-HF trial have been published. But there is no doubt that obstructive sleep apnea represents an independent and important risk factor for cardiovascular disease and needs to be treated according to existing guidelines.This workshop demonstrated impressively the multiple interactions of the respiratory system with cardiac function, resulting diagnostic and therapeutic problems, and means to overcome these problems. Guidelines for respiratory diseases should appropriately address cardiac comorbidity.


Assuntos
Insuficiência Cardíaca/fisiopatologia , Pulmão/fisiopatologia , Doença Pulmonar Obstrutiva Crônica/fisiopatologia , Comorbidade , Dispneia/epidemiologia , Alemanha/epidemiologia , Insuficiência Cardíaca/complicações , Insuficiência Cardíaca/epidemiologia , Humanos , Doença Pulmonar Obstrutiva Crônica/complicações , Doença Pulmonar Obstrutiva Crônica/epidemiologia
11.
N Engl J Med ; 381(17): 1609-1620, 2019 10 24.
Artigo em Inglês | MEDLINE | ID: mdl-31475794

RESUMO

BACKGROUND: The angiotensin receptor-neprilysin inhibitor sacubitril-valsartan led to a reduced risk of hospitalization for heart failure or death from cardiovascular causes among patients with heart failure and reduced ejection fraction. The effect of angiotensin receptor-neprilysin inhibition in patients with heart failure with preserved ejection fraction is unclear. METHODS: We randomly assigned 4822 patients with New York Heart Association (NYHA) class II to IV heart failure, ejection fraction of 45% or higher, elevated level of natriuretic peptides, and structural heart disease to receive sacubitril-valsartan (target dose, 97 mg of sacubitril with 103 mg of valsartan twice daily) or valsartan (target dose, 160 mg twice daily). The primary outcome was a composite of total hospitalizations for heart failure and death from cardiovascular causes. Primary outcome components, secondary outcomes (including NYHA class change, worsening renal function, and change in Kansas City Cardiomyopathy Questionnaire [KCCQ] clinical summary score [scale, 0 to 100, with higher scores indicating fewer symptoms and physical limitations]), and safety were also assessed. RESULTS: There were 894 primary events in 526 patients in the sacubitril-valsartan group and 1009 primary events in 557 patients in the valsartan group (rate ratio, 0.87; 95% confidence interval [CI], 0.75 to 1.01; P = 0.06). The incidence of death from cardiovascular causes was 8.5% in the sacubitril-valsartan group and 8.9% in the valsartan group (hazard ratio, 0.95; 95% CI, 0.79 to 1.16); there were 690 and 797 total hospitalizations for heart failure, respectively (rate ratio, 0.85; 95% CI, 0.72 to 1.00). NYHA class improved in 15.0% of the patients in the sacubitril-valsartan group and in 12.6% of those in the valsartan group (odds ratio, 1.45; 95% CI, 1.13 to 1.86); renal function worsened in 1.4% and 2.7%, respectively (hazard ratio, 0.50; 95% CI, 0.33 to 0.77). The mean change in the KCCQ clinical summary score at 8 months was 1.0 point (95% CI, 0.0 to 2.1) higher in the sacubitril-valsartan group. Patients in the sacubitril-valsartan group had a higher incidence of hypotension and angioedema and a lower incidence of hyperkalemia. Among 12 prespecified subgroups, there was suggestion of heterogeneity with possible benefit with sacubitril-valsartan in patients with lower ejection fraction and in women. CONCLUSIONS: Sacubitril-valsartan did not result in a significantly lower rate of total hospitalizations for heart failure and death from cardiovascular causes among patients with heart failure and an ejection fraction of 45% or higher. (Funded by Novartis; PARAGON-HF ClinicalTrials.gov number, NCT01920711.).


Assuntos
Aminobutiratos/administração & dosagem , Antagonistas de Receptores de Angiotensina/administração & dosagem , Doenças Cardiovasculares/mortalidade , Insuficiência Cardíaca/tratamento farmacológico , Hospitalização/estatística & dados numéricos , Neprilisina/antagonistas & inibidores , Tetrazóis/administração & dosagem , Valsartana/administração & dosagem , Idoso , Aminobutiratos/efeitos adversos , Angioedema/induzido quimicamente , Antagonistas de Receptores de Angiotensina/efeitos adversos , Método Duplo-Cego , Feminino , Seguimentos , Insuficiência Cardíaca/fisiopatologia , Humanos , Hipotensão/induzido quimicamente , Masculino , Pessoa de Meia-Idade , Qualidade de Vida , Fatores Sexuais , Método Simples-Cego , Volume Sistólico , Tetrazóis/efeitos adversos , Valsartana/efeitos adversos
12.
Expert Rev Cardiovasc Ther ; 17(9): 683-697, 2019 Sep.
Artigo em Inglês | MEDLINE | ID: mdl-31483166

RESUMO

Introduction: A critical mechanism of how hypoxia/ischemia causes irreversible myocardial injury is through the exhaustion of adenosine triphosphate (ATP). Cyclocreatine (CCr) and its water-soluble salt Cyclocreatine-Phosphate (CCrP) are potent bioenergetic agents that preserve high levels of ATP during ischemia. Areas covered: CCr and CCrP treatment prior to the onset of ischemia, preserved high levels of ATP in ischemic myocardium, reduced myocardial cell injury, exerted anti-inflammatory and anti-apoptotic activities, and restored contractile function during reperfusion in animal models of acute myocardial infarction (AMI), global cardiac arrest, cardiopulmonary bypass, and heart transplantation. Medline and Embase (1970 - Feb 2019), the WIPO databank (up to Feb 2019); no language restriction. Expert opinion: This review provides the basis for a number of clinical applications of CCrP and CCr to minimize ischemic injury and necrosis. One strategy is to administer CCrP to AMI patients in the pre-hospital phase, as well as during, or after Percutaneous Coronary Intervention (PCI) procedure to potentially achieve protection of the myocardium, reduce infarcted-size, and, thus, limit the progression to heart failure. Another clinical applications are in predictable myocardial ischemia where pretreatment with CCrP would likely improve outcome and quality of life of patients who will undergo cardiopulmonary bypass for coronary revascularization and end-stage heart failure patients scheduled for heart transplantation.


Assuntos
Creatinina/análogos & derivados , Infarto do Miocárdio/fisiopatologia , Isquemia Miocárdica/fisiopatologia , Trifosfato de Adenosina/metabolismo , Animais , Creatinina/metabolismo , Coração/fisiopatologia , Parada Cardíaca/fisiopatologia , Insuficiência Cardíaca/fisiopatologia , Humanos , Intervenção Coronária Percutânea/métodos , Qualidade de Vida
13.
Med. clín (Ed. impr.) ; 153(5): 191-195, sept. 2019. graf, tab
Artigo em Espanhol | IBECS | ID: ibc-183994

RESUMO

Introducción: La enfermedad pulmonar obstructiva crónica y la insuficiencia cardíaca (IC) son 2 enfermedades con una elevada morbimortalidad. La coexistencia de estas 2 enfermedades se estima que es frecuente, pero ha sido escasamente estudiada. Objetivo: Estudiar la prevalencia de limitación al flujo aéreo en una muestra de pacientes diagnosticados de IC en seguimiento en una unidad de IC y valorar las características y comorbilidades de estos pacientes. Métodos: Se trata de un estudio prospectivo observacional. Se incluyeron de forma consecutiva los pacientes visitados en la Unidad de Insuficiencia Cardíaca del Hospital Universitari Germans Trias i Pujol entre enero del 2014 y junio del 2015. Se realizaron pruebas funcionales respiratorias y se obtuvieron datos clínicos. Resultados: Se incluyeron 118 pacientes en el estudio (edad 67,2 años; DE 12,1; el 77,1% hombres). La prevalencia de limitación al flujo aéreo fue del 36,4%, con un porcentaje de infradiagnóstico del 67,4%. Los pacientes con limitación al flujo aéreo presentaban un aumento de las comorbilidades y de la mortalidad. Conclusión: La prevalencia de limitación al flujo aéreo en pacientes con IC es elevada, con un importante grado de infradiagnóstico. Sería recomendable la realización de una espirometría de cribado en estos pacientes


Background: Chronic obstructive pulmonary disease and heart failure (HF) are 2 diseases with high morbidity and mortality. The coexistence of these two diseases is estimated to be frequent, but has been poorly studied. Aim: To study the prevalence of airflow limitation in a sample of patients diagnosed with HF in follow-up in an HF unit and to assess their characteristics and comorbidities. Methods: This is a prospective observational study. The patients who visited the HF Unit of the Hospital Universitari Germans Trias i Pujol between January 2014 and June 2015 were included consecutively. Respiratory functional tests were performed and clinical data were obtained. Results: 118 patients were included in the study (age 67.2 years, 77.1% men). The prevalence of non-reversible airflow obstruction was 36.4%, with an underdiagnosis percentage of 67.4%. Patients with airflow limitation had an increase in comorbidities, but no worse prognosis. Conclusion: The prevalence of airflow limitation in patients with HF is high, with a significant degree of underdiagnosis. It seems reasonable to recommend performing a screening spirometry in these patients


Assuntos
Humanos , Masculino , Pessoa de Meia-Idade , Idoso , Insuficiência Cardíaca/epidemiologia , Insuficiência Cardíaca/fisiopatologia , Doença Pulmonar Obstrutiva Crônica/complicações , Obstrução das Vias Respiratórias/diagnóstico , Doença Pulmonar Obstrutiva Crônica/fisiopatologia , Estudos Prospectivos , Testes Respiratórios , Obstrução das Vias Respiratórias/fisiopatologia , Espirometria
14.
Ther Adv Cardiovasc Dis ; 13: 1753944719868134, 2019.
Artigo em Inglês | MEDLINE | ID: mdl-31401939

RESUMO

Since the launch of the first orally available angiotensin II (AngII) type 1 receptor (AT1R) blocker (ARB) losartan (Cozaar) in the late 1990s, the class of ARBs (or 'sartans', short for Angiotensin-RecepTor-ANtagonistS) quickly expanded to include candesartan, eprosartan, irbesartan, valsartan, telmisartan, and olmesartan. All ARBs have high affinity for the AT1 receptor, expressed in various tissues, including smooth muscle cells, heart, kidney, and brain. Since activation of AT1R, the target of these drugs, leads, among other effects, to vascular smooth muscle cell growth, proliferation and contraction, activation of fibroblasts, cardiac hypertrophy, aldosterone secretion from the adrenal cortex, thirst-fluid intake (hypervolemia), etc., the ARBs are nowadays one of the most useful cardiovascular drug classes used in clinical practice. However, significant differences in their pharmacological and clinical properties exist that may favor use of particular agents over others within the class, and, in fact, two of these drugs, candesartan and valsartan, continuously appear to distinguish themselves from the rest of the 'pack' in recent clinical trials. The reason(s) for the potential superiority of these two agents within the ARB class are currently unclear but under intense investigation. The present short review gives an overview of the clinical properties of the ARBs currently approved by the United States Food and Drug Administration, with a particular focus on candesartan and valsartan and the areas where these two drugs seem to have a therapeutic edge. In the second part of our review, we outline recent data from our laboratory (mainly) on the molecular effects of the ARB drugs on aldosterone production and on circulating aldosterone levels, which may underlie (at least in part) the apparent clinical superiority of candesartan (and valsartan) over most other ARBs currently in clinical use.


Assuntos
Aldosterona/sangue , Bloqueadores do Receptor Tipo 1 de Angiotensina II/uso terapêutico , Benzimidazóis/uso terapêutico , Insuficiência Cardíaca/tratamento farmacológico , Sistema Renina-Angiotensina/efeitos dos fármacos , Tetrazóis/uso terapêutico , Valsartana/uso terapêutico , Animais , Biomarcadores/sangue , Regulação para Baixo , Insuficiência Cardíaca/sangue , Insuficiência Cardíaca/diagnóstico , Insuficiência Cardíaca/fisiopatologia , Humanos , Recuperação de Função Fisiológica , Resultado do Tratamento
15.
Methodist Debakey Cardiovasc J ; 15(2): 145-148, 2019.
Artigo em Inglês | MEDLINE | ID: mdl-31384378

RESUMO

Steady advances in the diagnosis and management of congenital heart disease over the last few decades has resulted in a growing population of adults with congenital heart disease (ACHD). Consequently, there has been a parallel increase in the number of ACHD patients plagued with end-stage heart failure. Even so, the transplantation rate for these patients has remained low, at about 3% of all adult heart transplants. This review discusses the scope of transplantation for ACHD, including indications and contraindications, specific challenges and nuances, and post-transplant outcomes.


Assuntos
Cardiopatias Congênitas/cirurgia , Insuficiência Cardíaca/cirurgia , Transplante de Coração , Adulto , Fatores Etários , Tomada de Decisão Clínica , Progressão da Doença , Cardiopatias Congênitas/complicações , Cardiopatias Congênitas/mortalidade , Cardiopatias Congênitas/fisiopatologia , Insuficiência Cardíaca/etiologia , Insuficiência Cardíaca/mortalidade , Insuficiência Cardíaca/fisiopatologia , Transplante de Coração/efeitos adversos , Transplante de Coração/mortalidade , Humanos , Seleção de Pacientes , Medição de Risco , Fatores de Risco , Resultado do Tratamento , Listas de Espera
16.
Methodist Debakey Cardiovasc J ; 15(2): 152-155, 2019.
Artigo em Inglês | MEDLINE | ID: mdl-31384380

RESUMO

Iatrogenic aortocaval fistula is an extremely rare pathologic condition that often results in clinically significant left-to-right extracardiac shunt. In slow-progressing cases, chronic right-sided heart failure can occur and, in some patients, may persist for years. We present a patient with a long-standing aortocaval fistula that was causing high-flow left-to-right shunting, tricuspid regurgitation, severe pulmonary hypertension, and right-side heart failure. After undergoing complete endoscopic isolation of the aortocaval fistula, the patient experienced dramatic clinical improvement and continued to have excellent imaging and clinical resolution after 2 years of follow-up.


Assuntos
Aorta/fisiopatologia , Fístula Arteriovenosa/terapia , Embolização Terapêutica , Procedimentos Endovasculares , Insuficiência Cardíaca/etiologia , Hipertensão Pulmonar/etiologia , Doença Iatrogênica , Veia Cava Inferior/fisiopatologia , Aorta/diagnóstico por imagem , Aortografia/métodos , Fístula Arteriovenosa/diagnóstico por imagem , Fístula Arteriovenosa/etiologia , Fístula Arteriovenosa/fisiopatologia , Angiografia por Tomografia Computadorizada , Ecocardiografia Doppler em Cores , Embolização Terapêutica/instrumentação , Procedimentos Endovasculares/instrumentação , Insuficiência Cardíaca/diagnóstico por imagem , Insuficiência Cardíaca/fisiopatologia , Humanos , Hipertensão Pulmonar/diagnóstico por imagem , Hipertensão Pulmonar/fisiopatologia , Masculino , Pessoa de Meia-Idade , Flebografia/métodos , Desenho de Prótese , Fluxo Sanguíneo Regional , Dispositivo para Oclusão Septal , Fatores de Tempo , Resultado do Tratamento , Veia Cava Inferior/diagnóstico por imagem
17.
Vasc Health Risk Manag ; 15: 221-227, 2019.
Artigo em Inglês | MEDLINE | ID: mdl-31410012

RESUMO

Background: High sensitivity C-reactive protein (hsCRP) predicts myocardial dysfunction after acute coronary syndromes. We aimed to study the association of hsCRP estimation at first acute myocardial infarction (AMI) with myocardial dysfunction and heart failure. Methods: This research was carried out at the Department of Physiology and Department of Emergency Medicine, King Khalid University Hospital, King Saud University, Riyadh, Saudi Arabia. In this prospective study, 227 patients were studied. hsCRP levels were estimated when patients came to the emergency department at AMI, 7 days post AMI, and at 12 weeks of follow up after AMI. The outcome was change in myocardial functions, especially heart failure, 12 months after the attack. Results: Based on a cutoff mean value of hsCRP levels at admission (10.05±12.68 mg/L), patients were grouped into high and low C-reactive protein (CRP.) The ejection fraction was significantly lower at follow up in the high CRP group (37.29±12.97) compared to the low CRP group (43.85±11.77, p<0.0198). hsCRP had significant inverse correlation with left ventricular ejection fraction (r=-0.283, p<0.01). About 38.1% patients showed heart failure, with 23.6% in the high CRP group and 14.5% in the low CRP group (OR 2.4, p=0.028). Receiver operating characteristic curve analysis showed that CRP levels at AMI had a specificity of 79% and sensitivity of 83% to predict heart failure. Conclusion: A high hsCRP level measured at first AMI predicts myocardial dysfunction and heart failure. It is suggested that hsCRP plays an important role in the development of heart failure after myocardial infarction.


Assuntos
Proteína C-Reativa/análise , Insuficiência Cardíaca/etiologia , Infarto do Miocárdio/sangue , Adulto , Idoso , Biomarcadores/sangue , Progressão da Doença , Feminino , Insuficiência Cardíaca/diagnóstico , Insuficiência Cardíaca/fisiopatologia , Humanos , Masculino , Pessoa de Meia-Idade , Infarto do Miocárdio/complicações , Infarto do Miocárdio/diagnóstico , Infarto do Miocárdio/fisiopatologia , Admissão do Paciente , Valor Preditivo dos Testes , Prognóstico , Estudos Prospectivos , Medição de Risco , Fatores de Risco , Arábia Saudita , Volume Sistólico , Fatores de Tempo , Função Ventricular Esquerda
18.
Hypertension ; 74(4): 896-902, 2019 10.
Artigo em Inglês | MEDLINE | ID: mdl-31378100

RESUMO

Early and preferential activation of cardiac sympathetic nerve activity (CSNA) is one of the strongest prognostic markers of heart failure (HF) in patients. Our previous studies have implicated central angiotensin mechanisms as playing a critical role in generating this increase in cardiac sympathetic drive. However, it is unclear if inhibition of AT1R (angiotensin type-1 receptors) in different neural groups in the sympathetic pathway to the heart, such as the sympathetic preganglionic neurons in the intermediolateral column of the spinal cord, can reduce cardiac sympathetic drive. We hypothesized that in HF, localized intrathecal administration of the AT1R antagonist losartan, specifically into the T1-2 subarachnoid space, would decrease CSNA. In normal conscious sheep, intrathecal infusion of Ang II (angiotensin II; 3.0 nmol/mL per hour), significantly increased mean arterial pressure and CSNA; this effect was abolished by prior administration of losartan (1 mg/h). In an ovine rapid ventricular pacing model of HF, the resting levels of heart rate and CSNA were significantly elevated compared with normals. Intrathecal infusion of losartan (1 mg/h) in HF significantly reduced CSNA and heart rate but did not change arterial pressure. The AT1R binding density in the spinal cord was also elevated in the HF group. Our data suggest that AT1Rs within the spinal cord are responsible, in part, for the increased CSNA in HF and may represent a target for the selective reduction of CSNA in HF.


Assuntos
Inibidores da Enzima Conversora de Angiotensina/administração & dosagem , Gânglios Simpáticos/efeitos dos fármacos , Insuficiência Cardíaca/fisiopatologia , Losartan/administração & dosagem , Sistema Nervoso Simpático/efeitos dos fármacos , Animais , Pressão Arterial/efeitos dos fármacos , Pressão Sanguínea/efeitos dos fármacos , Feminino , Gânglios Simpáticos/fisiopatologia , Frequência Cardíaca/efeitos dos fármacos , Injeções Espinhais , Ovinos , Sistema Nervoso Simpático/fisiopatologia
19.
Ther Adv Cardiovasc Dis ; 13: 1753944719870084, 2019.
Artigo em Inglês | MEDLINE | ID: mdl-31441375

RESUMO

Reduced functional ability and exercise tolerance in patients with heart failure (HF) are associated with poor quality of life and a worse prognosis. The 6-minute walking test (6MWT) is a widely available and well-tolerated test for the assessment of the functional capacity of patients with HF. Although the cardiopulmonary exercise test (a maximal exercise test) remains the gold standard for the evaluation of exercise capacity in patients with HF, the 6MWT (submaximal exercise test) may provide reliable information about the patient's daily activity. The current review summarizes the value of 6MWT in patients with HF and identifies its usefulness and limitations in everyday clinical practice in populations of HF. We aimed to investigate potential associations of 6MWD with other measures of functional status and determinants of 6MWD in patients with HF as well as to review its prognostic role and changes to various interventions in these patients.


Assuntos
Tolerância ao Exercício , Insuficiência Cardíaca/diagnóstico , Teste de Caminhada , Adolescente , Adulto , Idoso , Idoso de 80 Anos ou mais , Aptidão Cardiorrespiratória , Feminino , Nível de Saúde , Insuficiência Cardíaca/fisiopatologia , Insuficiência Cardíaca/terapia , Humanos , Masculino , Pessoa de Meia-Idade , Valor Preditivo dos Testes , Prognóstico , Reprodutibilidade dos Testes , Volume Sistólico , Função Ventricular Esquerda , Adulto Jovem
20.
N Engl J Med ; 381(8): 716-726, 2019 08 22.
Artigo em Inglês | MEDLINE | ID: mdl-31433919

RESUMO

BACKGROUND: Serelaxin is a recombinant form of human relaxin-2, a vasodilator hormone that contributes to cardiovascular and renal adaptations during pregnancy. Previous studies have suggested that treatment with serelaxin may result in relief of symptoms and in better outcomes in patients with acute heart failure. METHODS: In this multicenter, double-blind, placebo-controlled, event-driven trial, we enrolled patients who were hospitalized for acute heart failure and had dyspnea, vascular congestion on chest radiography, increased plasma concentrations of natriuretic peptides, mild-to-moderate renal insufficiency, and a systolic blood pressure of at least 125 mm Hg, and we randomly assigned them within 16 hours after presentation to receive either a 48-hour intravenous infusion of serelaxin (30 µg per kilogram of body weight per day) or placebo, in addition to standard care. The two primary end points were death from cardiovascular causes at 180 days and worsening heart failure at 5 days. RESULTS: A total of 6545 patients were included in the intention-to-treat analysis. At day 180, death from cardiovascular causes had occurred in 285 of the 3274 patients (8.7%) in the serelaxin group and in 290 of the 3271 patients (8.9%) in the placebo group (hazard ratio, 0.98; 95% confidence interval [CI], 0.83 to 1.15; P = 0.77). At day 5, worsening heart failure had occurred in 227 patients (6.9%) in the serelaxin group and in 252 (7.7%) in the placebo group (hazard ratio, 0.89; 95% CI, 0.75 to 1.07; P = 0.19). There were no significant differences between the groups in the incidence of death from any cause at 180 days, the incidence of death from cardiovascular causes or rehospitalization for heart failure or renal failure at 180 days, or the length of the index hospital stay. The incidence of adverse events was similar in the two groups. CONCLUSIONS: In this trial involving patients who were hospitalized for acute heart failure, an infusion of serelaxin did not result in a lower incidence of death from cardiovascular causes at 180 days or worsening heart failure at 5 days than placebo. (Funded by Novartis Pharma; RELAX-AHF-2 ClinicalTrials.gov number, NCT01870778.).


Assuntos
Doenças Cardiovasculares/mortalidade , Insuficiência Cardíaca/tratamento farmacológico , Relaxina/uso terapêutico , Vasodilatadores/uso terapêutico , Doença Aguda , Idoso , Pressão Sanguínea/efeitos dos fármacos , Progressão da Doença , Método Duplo-Cego , Feminino , Insuficiência Cardíaca/mortalidade , Insuficiência Cardíaca/fisiopatologia , Hospitalização , Humanos , Incidência , Infusões Intravenosas , Masculino , Proteínas Recombinantes/efeitos adversos , Proteínas Recombinantes/farmacologia , Proteínas Recombinantes/uso terapêutico , Relaxina/efeitos adversos , Relaxina/farmacologia , Falha de Tratamento , Vasodilatadores/efeitos adversos
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