www.medigraphic.org.mx Revista Mexicana de Cardiología Original Research Vol. 27 No. 1 January-March 2016 Dobutamine versus levosimendan for patients with acute decompensated heart failure Dobutamina versus levosimendán en pacientes con insuficiencia cardiaca agudizada Tomás Miranda-Aquino,* Silvia Esmeralda Pérez-Topete,* Ramón Javier Treviño-Frutos,** Manuel Nicolás Guerra-Villa* Key words: Heart failure ABSTRACT RESUMEN worsened, dobutamine, Introduction: Heart failure remains a highly frequent Introducción: La insuficiencia cardiaca agudizada levosimendan, LVEF. cause of hospitalization; with a high morbidity and mortal- continúa siendo una causa altamente frecuente de hospi- ity. Objectives: The aim of this study is to compare the talización con una gran morbimortalidad. Objetivos: El Palabras clave: 30-day in hospital survival of patients treated with Levosi- objetivo primario es comparar la sobrevida a 30 días de Insuficiencia mendan vs. Dobutamine in acute decompensated heart fail- los pacientes tratados con levosimendán versus dobuta- cardiaca agudizada, ure. Secondary aims will be to compare the measurement mina en insuficiencia cardiaca agudizada. Como objetivo dobutamina, of LVEF before and after inotropic and length of hospital secundario será comparar la determinación de la FEVI levosimendán, FEVI. stay. Material and methods: Observational, descriptive, pre- y post-inotrópico y días de estancia hospitalaria. retrospective study. All adult patients were admitted to the Material y métodos: Estudio observacional, descriptivo, Hospital Christus Muguerza Alta Especialidad, with acute retrospectivo. Se recabaron todos los pacientes adultos que decompensated heart failure diagnosis and have required hayan ingresado en el Hospital Christus Muguerza Alta inotropic support in the period January 2013 to September Especialidad, con diagnóstico de insuficiencia cardiaca 2015 were collected. Results: 83 patients were included, agudizada y que hayan requerido el apoyo de inotrópicos, however only 38 met the inclusion criteria. Of the en el periodo comprendido de enero de 2013 a septiembre 38 patients 20 (53%) were prescribed levosimendan de 2015. Resultados: Se documentaron 83 pacientes con and 18 (47%) dobutamine. The average age in both diagnóstico de insuficiencia cardiaca agudizada, de los groups was 62.2 years (± 15.6) of levosimendan versus cuales sólo 38 cumplieron con los criterios de inclusión. De dobutamine 78.8 years (± 10.6) (p = 0.0005). Survival los 38 pacientes a 20 (53%) se les indicó levosimendán y a at 30 days was 100% in levosimendan versus 77.8% 18 (47%) dobutamina. La media de edad en ambos grupos in dobutamine (p = 0.0274). In days of hospital stay it fue de 62.2 años (±15.6) de levosimendán versus 78.8 años was 9.3 days (± 5.1) levosimendan and 13.8 days (± 6.5) de dobutamina (±10.6) (p = 0.0005). La supervivencia a 30 in dobutamine (p = 0.02). postinotropic LVEF change was días fue de 77.8% en dobutamina versus 100% levosimen- 18.3% (± 6.2) levosimendan versus 18.7% (± 9.9) dobu- dán (p = 0.0274). En días de estancia hospitalaria fue de tamine (p = 0.88). Conclusions: The use of dobutamine 9.3 días (± 5.1) en levosimendán y de 13.8 días (± 6.5) en leads to a lower survival to 30 days, in addition to longer dobutamina (p = 0.02). El cambio FEVI postinotrópico fue hospital stay. However no difference in LVEF values at de 18.3% (± 6.2) levosimendán versus 18.7% (± 9.9) dobu- * Hospital Christus admission or inotropic post. tamina (p = 0.88). Conclusiones: El uso de Dobutamina Muguerza Alta Especialidad/ conlleva a una menor sobrevida a 30 días, además de tener Universidad de mayor estancia hospitalaria. Sin embargo no hay diferencia Monterrey. en los valores de FEVI al ingreso ni postinotrópico. ** Departamento de Educación e www.medigraphic.org.mx Investigación de Salud Christus Muguerza. Recibido: 16/12/2015 Aceptado: 18/02/2016 Rev Mex Cardiol 2016; 27 (1): 44-49 www.medigraphic.com/revmexcardiol Miranda-Aquino T, et al. Dobutamine versus levosimendan for patients with acute decompensated heart failure 45 INTRODUCTION levosimendan versus dobutamine in acute de- compensated heart failure. Secondary aims will he term acute heart failure includes a group be to compare the measurement of LVEF before of related clinical syndromes, defined as T and after inotropic and length of hospital stay. a gradual or rapid change in the signs and symptoms of heart failure, resulting in a need MatERIAL AND METHODS for urgent therapy. It is a critical inability of the myocardium to maintain an adequate cardiac Observational, descriptive, retrospective study. output to meet the demands of the peripheral Study Data was collected from the records of circulation. Acute Heart failure can present as the department of statistics. Were selected all new onset or worsening of preexisting chronic patients who entered with the diagnosis of heart failure.1 acute decompensated heart failure during the It is the leading cause of hospitalization in period from January 2013 to September 2015 patients over 65 years, the rate of hospitaliza- at Christus Muguerza High Specialty Hospital. tion is increasing due to the progressive aging All information was collected from medical of the population and a better management of records and include all patients over 18 years acute myocardial infarction. Moreover, nearly with the diagnosis of acute decompensated 50% of patients hospitalized with acute heart heart failure who have required inotropic sup- failure are readmitted within 6 months after port and have had oliguria. Patients with per- discharge. Hospital mortality is about 5% and sistent systolic BP < 85 mmHg, persistent heart the risk of death or rehospitalization within 2-3 rate > 130 bpm and a history of arrhythmias months ranges from 20% to 60% depending on were excluded. the population study.1 The Excel program and Medcalc program In theory, inotropic agents improve hemo- was used. To compare survival, the Kaplan-Mei- dynamic parameters, increasing cardiac output er curve was used. Comparison of Means Using and reducing the filling pressure of the left and Student’s t-Test and chi-square calculations to the right ventricle by increasing myocardial compare proportions. Medical records were contractility. Consequently, they are indicated used to look for 30 days survival, comorbidi- for treating both patients with peripheral hy- ties, base treatment, length of stay in hospital, poperfusion and water retention caused by age. For the calculation of LVEF aPhillips hd7 deterioration of cardiac contractility.2-4 echocardiogram was used and by a biplane Dobutamine is a synthetic catecholamine method the LVE was calculated, the result was acting primarily through stimulation of β1 obtained from medical records. receptors and partly through β2 receptors to As operational definitions: acute heart produce positive inotropic and chronotropic failure: patient who meets exacerbation of depending of the dose.5-7 dyspnea in addition to a LVEF of 50% found Levosimendan is a pyridazinone-dinitrile by transthoracic echocardiography. Oliguria: derivative acts by increasing the affinity of tro- patient presenting diuresis less than < 0.5 ponin C to calcium and stabilizes the conforma- mL/kg/hr. tion of troponin C. By improving the sensitivity The study followed the ethical guidelines of the contractile apparatus to intracellular in accordance with the ethical standards of the calcium, it has positive inotropic properties Helsinki Declaration of 1975 with last update in without impairing relaxation ventricular nor 2013 and the Scientific and Ethics Committee induce cytosolic calcium overload.8-12 of the institution where it was made. There are multiple studies in which the ef- www.medigraphic.org.mxNo external sources of finance were re- fectiveness of these two drugs are compared, quired. There are no conflicts of interest. but in Mexico there is no reported series.13-19 RESULTS OBJECTIVE The aim of this study is to compare the 30-day During the period from January 2013 to Sep- in hospital survival of patients treated with tember 2015, 83 patients diagnosed with acute Rev Mex Cardiol 2016; 27 (1): 44-49 www.medigraphic.com/revmexcardiol 46 Miranda-Aquino T, et al. Dobutamine versus levosimendan for patients with acute decompensated heart failure heart failure were selected, of which only 38 Table I. Baseline characteristics of the patients. met the inclusion criteria. A 37 % of them were males and 63% fe- General population n = 38 males. The average age was 70.1 years (±15.7). Among the most frequent comorbidities, Gender Male 14 (37%) diabetes mellitus (53%) and arterial hyperten- Female 24 (63%) sion (53%) were the most prevalent. About Age (years) 70.1 (± 15.7) base treatment of patients, it was evidenced Comorbilities DM 20 (53%) that beta-blockers (37%) and ACE inhibitors HTN 20 (53%) (37%) were the most prevalent. The rest of the AMI 10 (26%) characteristics of the study population can be AF 4 (11%) found in table I. Cardiomyopathy 2 (5%) In 20 patients of 38 (53%) were prescribed Malignancies 4 (11%) with levosimendan and 18 (47%) with dobu- CKD 6 (16%) tamine (Table II). The average of hospital stay Rheumatolology 4 (11%) was 11.5 days (± 6.2); of the total of patients Hypothyroidism 4 (11%) there were 4 (11%) who died. The average in- Baseline treatment BB 14 (37%) come of LVEF was 27% (± 10%), post-inotropic ARB 8 (21%) management was 46% (± 9.6), having a mean ACEi 14 (37%) change in LVEF of 18.5% (± 8%).The average CCB 2 (5%) of LVEF during income was 27% (± 10%), post- Diuretic 10 (26%) inotropic management was 46% (±9.6), having ARA 4 (11%) a mean change in LVEF of 18.5% (± 8%). Digoxin 4 (11%) By comparing levosimendan versus dobu- Nitrates 4 (11%) tamine groups (Table III), it was demonstrated Statins 6 (15%) that the proportion of female was 50 versus Antiplatelets 12 (32%) 78% (p = 0.15) respectively. The average age Insuline 8 (21%) in both groups was 62.2 years (± 15.6) of le- OA 8 (21%) vosimendan versus 78.8 years (± 10.6) (p = Others 8 (21%) 0.0005).