1.Preoperative echocardiographic evaluation of cardiac systolic and diastolic function in liver transplant recipients with diabetes mellitus: a propensity-score matched analysis
Hye Mee KWON ; Youngil JEONG ; Kyoung Sun KIM ; Kyeo Woon JUNG ; Young Jin MOON ; Gyu Sam HWANG
Anesthesia and Pain Medicine 2019;14(4):465-473
		                        		
		                        			
		                        			BACKGROUND: Diabetes mellitus (DM) increases risk of heart failure. It has been shown that diabetes leads to DM-cardiomyopathy, characterized by systolic and diastolic dysfunction. Pre-transplant diastolic dysfunction, has been associated with poor graft outcome and mortality. We assessed the hypothesis that end-stage liver disease (ESLD) patients with diabetes (DM-ESLD), have more advanced cardiac systolic and diastolic dysfunction, compared to ESLD patients without diabetes (Non DM-ESLD).METHODS: We retrospectively evaluated preoperative echocardiography of 1,319 consecutive liver transplant recipients (1,007 Non DM-ESLD vs. 312 DM-ESLD [23.7%]) January 2012–May 2016. Systolic and diastolic indices, such as left ventricular ejection fraction, transmital E/A ratio, tissue doppler s′, e′ velocity, and E/e′ ratio (index of left ventricular end-diastolic pressure), were compared using 1:2 propensity-score matching.RESULTS: DM-ESLD patients showed no differences in systolic indices of left ventricular ejection fraction and s′ velocity, whereas diastolic indices of E/A ratio ≤ 1 (49.0% vs. 40.2% P = 0.014), e′ velocity (median = 7.0 vs. 7.4 cm/s, P < 0.001) and E/e′ ratio (10.9 ± 3.2 vs. 10.1 ± 3.0, P < 0.001), showed worse diastolic function compare with Non DM-ESLD patients, respectively.CONCLUSIONS: DM-ESLD patients suffer higher degree of diastolic dysfunction compared with Non DM-ESLD patients. Based on this, careful preoperative screening for diastolic dysfunction in DM-ESLD patients is encouraged, because poor transplant outcomes have been noted in patients with preoperative diastolic dysfunction.
		                        		
		                        		
		                        		
		                        			Diabetes Mellitus
		                        			;
		                        		
		                        			Echocardiography
		                        			;
		                        		
		                        			Heart Failure
		                        			;
		                        		
		                        			Heart Failure, Diastolic
		                        			;
		                        		
		                        			Heart Failure, Systolic
		                        			;
		                        		
		                        			Humans
		                        			;
		                        		
		                        			Liver Cirrhosis
		                        			;
		                        		
		                        			Liver Diseases
		                        			;
		                        		
		                        			Liver
		                        			;
		                        		
		                        			Mass Screening
		                        			;
		                        		
		                        			Mortality
		                        			;
		                        		
		                        			Propensity Score
		                        			;
		                        		
		                        			Retrospective Studies
		                        			;
		                        		
		                        			Stroke Volume
		                        			;
		                        		
		                        			Transplant Recipients
		                        			;
		                        		
		                        			Transplants
		                        			
		                        		
		                        	
2.Is There a Sex-Related Difference in the Obesity Paradox in Systolic Heart Failure? Sex-Related Difference in the Obesity Paradox
Soonchang HONG ; Ji Hyun LEE ; Kyung Min KIM ; Jun Won LEE ; Young Jin YOUN ; Min Soo AHN ; Sung Gyun AHN ; Seung Hwan LEE ; Junghan YOON ; Kyung Hoon CHOE ; Byung Su YOO
Yonsei Medical Journal 2018;59(1):57-62
		                        		
		                        			
		                        			PURPOSE: Obesity is often associated with better clinical outcomes in heart failure (HF). This so-called obesity paradox remains controversial. The aim of present study was to investigate the prognostic value of obesity in patients hospitalized for systolic HF. MATERIALS AND METHODS: We performed a pooled analysis of data from two multicenter, observational HF studies. Patients hospitalized for systolic HF were eligible for the present study. We divided the subjects into two groups, a normal body mass index (BMI) group and a high BMI group. Study endpoints included all-cause mortality and any re-hospitalization within 1 year. RESULTS: We enrolled 3145 patients (male, 1824; female, 1321). The high BMI group was significantly associated with lower 1-year mortality rate [odds ratio (OR), 0.543; 95% confidence interval (CI), 0.355−0.832] after adjusting for age, hypertension, diabetes, ischemic HF, previous myocardial infarction, serum creatinine level, anemia, and ejection fraction in men. After adjustment for clinical characteristics, high BMI was not significantly associated with 1-year mortality (OR, 0.739; 95% CI, 0.450−1.216) or 1-year re-hospitalization (OR, 0.958; 95% CI, 0.696−1.319) in women. CONCLUSION: In pooled analysis of data from two Korean HF registries, the high BMI group was independently associated with lower 1-year mortality rate from systolic HF, especially in men.
		                        		
		                        		
		                        		
		                        			Aged
		                        			;
		                        		
		                        			Body Mass Index
		                        			;
		                        		
		                        			Demography
		                        			;
		                        		
		                        			Endpoint Determination
		                        			;
		                        		
		                        			Female
		                        			;
		                        		
		                        			Heart Failure, Systolic/complications
		                        			;
		                        		
		                        			Heart Failure, Systolic/epidemiology
		                        			;
		                        		
		                        			Humans
		                        			;
		                        		
		                        			Incidence
		                        			;
		                        		
		                        			Kaplan-Meier Estimate
		                        			;
		                        		
		                        			Male
		                        			;
		                        		
		                        			Middle Aged
		                        			;
		                        		
		                        			Obesity/complications
		                        			;
		                        		
		                        			Obesity/epidemiology
		                        			;
		                        		
		                        			Sex Characteristics
		                        			;
		                        		
		                        			Treatment Outcome
		                        			
		                        		
		                        	
3.Practical management of peripartum cardiomyopathy.
The Korean Journal of Internal Medicine 2017;32(3):393-403
		                        		
		                        			
		                        			Peripartum cardiomyopathy (PPCM) is an idiopathic cardiomyopathy that causes systolic heart failure (HF) in previously healthy young women. Despite latest remarkable achievement, unifying pathophysiologic mechanism is not well established. Considering close temporal relationship to pregnancy, the recent prolactin theory is promising. Abnormal short form of 16-kDa prolactin may be produced in the oxidative stress milieu, show anti-angiogenic effect and damage cardiovascular structure in late pregnancy. Future study is needed to determine whether abnormal prolactin system is useful as a biomarker for diagnosis and therapy of PPCM. Diagnosis is made based on the finding of left ventricular systolic dysfunction after excluding other causes of HF. A multidisciplinary team approach is essential for acute HF, antepartum, labor and postpartum care. Recovery from left ventricular dysfunction is critical for prognosis. As PPCM can recur and cause serious clinical events, subsequent pregnancy is not recommended. This review focuses on the practical management of PPCM.
		                        		
		                        		
		                        		
		                        			Cardiomyopathies*
		                        			;
		                        		
		                        			Diagnosis
		                        			;
		                        		
		                        			Female
		                        			;
		                        		
		                        			Heart Failure
		                        			;
		                        		
		                        			Heart Failure, Systolic
		                        			;
		                        		
		                        			Humans
		                        			;
		                        		
		                        			Oxidative Stress
		                        			;
		                        		
		                        			Peripartum Period*
		                        			;
		                        		
		                        			Postnatal Care
		                        			;
		                        		
		                        			Pregnancy
		                        			;
		                        		
		                        			Prognosis
		                        			;
		                        		
		                        			Prolactin
		                        			;
		                        		
		                        			Ventricular Dysfunction, Left
		                        			
		                        		
		                        	
4.Defibrillator Implantation in Patients with Nonischemic Systolic Heart Failure.
International Journal of Arrhythmia 2017;18(1):54-56
		                        		
		                        			
		                        			No abstract available.
		                        		
		                        		
		                        		
		                        			Defibrillators*
		                        			;
		                        		
		                        			Heart Failure, Systolic*
		                        			;
		                        		
		                        			Humans
		                        			
		                        		
		                        	
5.Implantable Cardioverter-defibrillator for Primary Prevention of Sudden Cardiac Death in Non-ischemic Cardiomyopathy.
Korean Journal of Medicine 2017;92(1):17-23
		                        		
		                        			
		                        			The insertion of implantable cardioverter-defibrillators (ICD) in patients with non-ischemic cardiomyopathy (NICM) has been recommended by recent guidelines. However, current evidence shows limited benefits to inserting ICDs in patients with NICM. Recently, the defibrillator implantation in patients with non-ischemic systolic heart failure (DANISH) trial, a large randomized trial of more than 1,100 patients with NICM, was conducted to compare the primary prevention of all-cause mortality between optimal medical therapy, cardiac resynchronization therapy, and ICD implantation. The DANISH trial revealed no differences in all-cause mortality between the groups after 5 years. However, in patients younger than 68 years of age, the rate of death from any cause was significantly lower in the ICD group compared to the control group. In addition, the rate of sudden cardiac death was lower in the ICD group compared to the control group in patients under 68 years. The results of DANISH will likely change guidelines about the insertion of ICD in patients with NICM, and encourage the use of ICD in patients with NICM.
		                        		
		                        		
		                        		
		                        			Cardiac Resynchronization Therapy
		                        			;
		                        		
		                        			Cardiomyopathies*
		                        			;
		                        		
		                        			Death, Sudden, Cardiac*
		                        			;
		                        		
		                        			Defibrillators
		                        			;
		                        		
		                        			Defibrillators, Implantable*
		                        			;
		                        		
		                        			Heart Failure, Systolic
		                        			;
		                        		
		                        			Humans
		                        			;
		                        		
		                        			Mortality
		                        			;
		                        		
		                        			Primary Prevention*
		                        			
		                        		
		                        	
6.Concordant and Discordant Cardiac Magnetic Resonance Imaging Delayed Hyperenhancement Patterns in Patients with Ischemic and Non-Ischemic Cardiomyopathy.
Eun Kyoung KIM ; Sung A CHANG ; Jin Oh CHOI ; James GLOCKNER ; Brian SHAPIRO ; Yeon Hyeon CHOE ; Nowell FINE ; Shin Yi JANG ; Sung Mok KIM ; Wayne MILLER ; Sang Chol LEE ; Jae K OH
Korean Circulation Journal 2016;46(1):41-47
		                        		
		                        			
		                        			BACKGROUND AND OBJECTIVES: The diagnosis of ischemic (ICM) and non-ischemic cardiomyopathy (NICM) is conventionally determined by the presence or absence of coronary artery disease (CAD) in the setting of a reduced left systolic function. However the presence of CAD may not always indicate that the actual left ventricular (LV) dysfunction mechanism is ischemia, as other non-ischemic etiologies can be responsible. We investigated patterns of myocardial fibrosis using delayed hyperenhancement (DHE) on cardiac magnetic resonance (CMR) in ICM and NICM. SUBJECTS AND METHODS: Patients with systolic heart failure who underwent a CMR were prospectively analyzed. The heart failure diagnosis was based on the modified Framingham criteria and LVEF <35%. LV dysfunction was classified as ICM or NICM based on coronary anatomy. RESULTS: A total of 101 subjects were analyzed; 34 were classified as ICM and 67 as NICM. The DHE pattern was concordant with the conventional diagnosis in 27 (79.4%) of the patients with ICM and 62 (92.5%) of the patients with NCIM. A discordant NICM DHE pattern was present in 8.8% of patients with ICM, and an ICM pattern was detected 6.0% of the patients with NICM. Furthermore, 11.8% of the patients with ICM and 1.5% of those with NICM demonstrated a mixed pattern. CONCLUSION: A subset of patients conventionally diagnosed with ICM or NICM based on coronary anatomy demonstrated a discordant or mixed DHE pattern. CMR-DHE imaging can be helpful to determine the etiology of heart failure in patients with persistent LV systolic dysfunction.
		                        		
		                        		
		                        		
		                        			Cardiac Imaging Techniques
		                        			;
		                        		
		                        			Cardiomyopathies*
		                        			;
		                        		
		                        			Coronary Artery Disease
		                        			;
		                        		
		                        			Diagnosis
		                        			;
		                        		
		                        			Fibrosis
		                        			;
		                        		
		                        			Heart Failure
		                        			;
		                        		
		                        			Heart Failure, Systolic
		                        			;
		                        		
		                        			Humans
		                        			;
		                        		
		                        			Ischemia
		                        			;
		                        		
		                        			Magnetic Resonance Imaging*
		                        			;
		                        		
		                        			Prospective Studies
		                        			
		                        		
		                        	
7.The Association between Platelet/Lymphocyte Ratio and Coronary Artery Disease Severity in Asymptomatic Low Ejection Fraction Patients.
Fatih Mehmet UÇAR ; Burak AÇAR ; Murat GUL ; Ozcan OZEKE ; Sinan AYDOGDU
Korean Circulation Journal 2016;46(6):821-826
		                        		
		                        			
		                        			BACKGROUND AND OBJECTIVES: Coronary angiography (CAG) is generally needed in the setting of systolic heart failure (HF) with an unidentified etiology as a part of diagnostic strategy. On the other hand, the clinical value of this invasive strategy is largely unknown. Platelet-lymphocyte ratio (PLR) has recently emerged as a novel inflammatory index that may serve as an important predictor of inflammatory state and overall mortality. The present study aimed to search the predictive value of PLR in determining the extent of coronary atherosclerosis in asymptomatic low ejection fraction (EF) patients. SUBJECTS AND METHODS: 156 asymptomatic heart failure (HF) subjects (without angina or HF symptoms, mean age: 58 years; to male: 71.2%) were enrolled, and thereafter a CAG was performed. Gensini Score was used to determine the severity of coronary artery disease (CAD) on CAG. According to this scoring system, the overall study group was categorized into three distinct subgroups: control group with the score 0, mild atherosclerosis group with the score 0 to 20 and severe atherosclerosis group with the score of >20. Thereafter, a comparison was made among groups with regard to mean values of PLR. RESULTS: The severe atherosclerosis group had a substantially higher level of mean PLR in comparison to other groups (p<0.001). Pre-CAG PLR levels as well as a variety of clinical variables including age, low density lipoprotein (LDL)-cholesterol demonstrated an independent correlation with Gensini score through a multivariate analysis. CONCLUSION: These findings suggest the potential association of high PLR levels with severe atherosclerosis in the setting of asymptomatic systolic HF. A simple measurement of PLR helps to identify the severity of coronary atherosclerosis prior to conducting coronary angiography.
		                        		
		                        		
		                        		
		                        			Asymptomatic Diseases
		                        			;
		                        		
		                        			Atherosclerosis
		                        			;
		                        		
		                        			Coronary Angiography
		                        			;
		                        		
		                        			Coronary Artery Disease*
		                        			;
		                        		
		                        			Coronary Vessels*
		                        			;
		                        		
		                        			Hand
		                        			;
		                        		
		                        			Heart Failure
		                        			;
		                        		
		                        			Heart Failure, Systolic
		                        			;
		                        		
		                        			Humans
		                        			;
		                        		
		                        			Lipoproteins
		                        			;
		                        		
		                        			Male
		                        			;
		                        		
		                        			Mortality
		                        			;
		                        		
		                        			Multivariate Analysis
		                        			
		                        		
		                        	
8.Reversible Heart Failure after Bortezomib Treatment in a Patient with Multiple Myeloma.
Jihyun SONG ; Heekyung KIM ; Sukpyo SHIN ; Injai KIM ; Doyeun OH ; Soyoung CHONG
Korean Journal of Medicine 2015;88(4):459-463
		                        		
		                        			
		                        			Bortezomib (Velcade(R)) came into the spotlight as a target therapy for multiple myeloma. It acts through reversible inhibition of intracellular proteasomes, which triggers apoptosis, with relative selectivity for malignant cells. It has been hypothesized that the accumulation of damaged proteins in myocytes impairs cardiac function. Cardiotoxicity is a rare side effect of bortezomib treatment. We report a case of reversible systolic heart failure that probably occurred after bortezomib treatment in a patient with multiple myeloma. Patients being treated with bortezomib who have previously had cardiac comorbidities should undergo routine cardiac monitoring.
		                        		
		                        		
		                        		
		                        			Apoptosis
		                        			;
		                        		
		                        			Comorbidity
		                        			;
		                        		
		                        			Heart Failure*
		                        			;
		                        		
		                        			Heart Failure, Systolic
		                        			;
		                        		
		                        			Humans
		                        			;
		                        		
		                        			Multiple Myeloma*
		                        			;
		                        		
		                        			Muscle Cells
		                        			;
		                        		
		                        			Bortezomib
		                        			
		                        		
		                        	
9.Acute decompensated heart failure and acute kidney injury due to bilateral renal artery stenosis.
Ho Jin JUNG ; Won Suk CHOI ; Hyun Jae KANG ; Byung Chun JUNG ; Bong Ryeol LEE ; Jong Joo LEE ; Jun Young LEE
Yeungnam University Journal of Medicine 2015;32(2):146-151
		                        		
		                        			
		                        			Atherosclerotic renal artery stenosis (RAS) may result in hypertension, azotemia, and acute pulmonary edema. We report on a renal angioplasty with stent placement for bilateral RAS in a patient with acute decompensated heart failure and acute kidney injury. A 67-year-old female patient was admitted to our hospital with acute shortness of breath and generalized edema. Echocardiography showed left ventricular wall motion abnormality and the follow up electrocardiography showed T wave inversion in the precordial leads. We performed a coronary angiography to differentiate ischemic heart disease from non-cardiac origin for the cause of the heart failure. The coronary angiography showed no significant luminal narrowing, but bilateral RAS was confirmed on the renal artery angiography, therefore, we performed renal artery revascularization. After the procedure, the pulmonary edema was improved and the serum creatinine was decreased. Two weeks later, an echocardiography showed improvement of the left ventricular systolic function.
		                        		
		                        		
		                        		
		                        			Acute Kidney Injury*
		                        			;
		                        		
		                        			Aged
		                        			;
		                        		
		                        			Angiography
		                        			;
		                        		
		                        			Angioplasty
		                        			;
		                        		
		                        			Azotemia
		                        			;
		                        		
		                        			Coronary Angiography
		                        			;
		                        		
		                        			Creatinine
		                        			;
		                        		
		                        			Dyspnea
		                        			;
		                        		
		                        			Echocardiography
		                        			;
		                        		
		                        			Edema
		                        			;
		                        		
		                        			Electrocardiography
		                        			;
		                        		
		                        			Female
		                        			;
		                        		
		                        			Follow-Up Studies
		                        			;
		                        		
		                        			Heart Failure*
		                        			;
		                        		
		                        			Heart Failure, Systolic
		                        			;
		                        		
		                        			Heart*
		                        			;
		                        		
		                        			Humans
		                        			;
		                        		
		                        			Hypertension
		                        			;
		                        		
		                        			Hypertension, Renovascular
		                        			;
		                        		
		                        			Myocardial Ischemia
		                        			;
		                        		
		                        			Phenobarbital
		                        			;
		                        		
		                        			Pulmonary Edema
		                        			;
		                        		
		                        			Renal Artery Obstruction*
		                        			;
		                        		
		                        			Renal Artery*
		                        			;
		                        		
		                        			Stents
		                        			
		                        		
		                        	
10.Treatment of Heart Failure with Reduced Ejection Fraction: Current Update.
Korean Journal of Medicine 2015;88(2):127-134
		                        		
		                        			
		                        			The prevalence of heart failure (HF) has been steadily increasing and it now creates an enormous social and economic burden. HF is a syndrome characterized by a high mortality rate, frequent hospitalization, a reduced quality of life, and a complex therapeutic regimen. In the last three decades, major progress in both the diagnosis and management of HF has taken place, and the pharmacologic and non-pharmacologic advances have led to a significant improvement in survival and symptoms in HF patients. After an accurate diagnosis, a proper HF management plan requires a multi-level team approach comprised of the correct combination of drug therapy, device therapy, and surgery, including heart transplantation. In this review, we focused on the pharmacologic and non-pharmacologic treatment strategies for HF with reduced ejection fraction. The goal was to develop treatment guidelines based on significant evidence derived from large clinical trials.
		                        		
		                        		
		                        		
		                        			Diagnosis
		                        			;
		                        		
		                        			Drug Therapy
		                        			;
		                        		
		                        			Heart Failure*
		                        			;
		                        		
		                        			Heart Failure, Systolic
		                        			;
		                        		
		                        			Heart Transplantation
		                        			;
		                        		
		                        			Hospitalization
		                        			;
		                        		
		                        			Humans
		                        			;
		                        		
		                        			Mortality
		                        			;
		                        		
		                        			Prevalence
		                        			;
		                        		
		                        			Quality of Life
		                        			
		                        		
		                        	
            
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