Publications by authors named "Shinsuke Hanatani"

Tafamidis is the only currently available disease-modifying agent for transthyretin amyloid cardiomyopathy (ATTR-CM); however, reports on its long-term efficacy, safety, and longitudinal cardiac parameter outcomes are lacking. Herein, we present 2 cases of wild-type ATTR-CM receiving tafamidis for 9 years, in which serial long-term follow-up data were obtained. In both cases, tafamidis treatment was continued without any adverse effects, and no hospitalization due to heart failure occurred.

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Background: Immunoglobulin light-chain (AL) amyloidosis is a lethal condition resulting from misfolded immunoglobulin ALs produced by clonal CD38-positive plasma cells. Treatment with daratumumab, an anti-human CD38 monoclonal antibody, led to higher frequencies of complete hematologic response and better clinical outcomes compared with conventional treatment. This study sought to evaluate the survival benefit of daratumumab-containing regimens in patients with AL cardiac amyloidosis.

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Background: Despite strong recommendations in the latest guidelines for implementing guideline-directed medical therapy (GDMT) before discharge, there is a lack of data on the clinical characteristics and outcomes of older patients with heart failure (HF). Therefore, this study aimed to investigate the clinical characteristics and outcomes of patients with HF in a super-aging society during the GDMT era.

Methods And Results: In the COMPASS-HF study including 305 consecutive hospitalized patients, 177 with acute HF were identified through a medical record review.

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Background: Mineralocorticoid receptor (MR) induces cardiac inflammation cooperatively with nuclear factor-κB and signal transducer and activator of transcription 3 (STAT3); MR blockers exert anti-inflammatory effects. However, the underlying mechanism remains unclear. We investigated the anti-inflammatory effect of esaxerenone, a novel MR blocker, in experimental myocardial infarction (MI) and its underlying mechanisms.

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Aims: Wild-type transthyretin amyloid cardiomyopathy (ATTRwt-CM) is often accompanied by atrial fibrillation (AF), atrial flutter (AFL), and atrial tachycardia (AT), which are difficult to control because beta-blockers and antiarrhythmic drugs can worsen heart failure (HF). This study aimed to investigate the outcomes of catheter ablation (CA) for AF/AFL/AT in patients with ATTRwt-CM and propose a treatment strategy for CA.

Methods And Results: A cohort study was conducted on 233 patients diagnosed with ATTRwt-CM, including 54 who underwent CA for AF/AFL/AT.

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Background: Although the prevalence rate of valvular heart disease (VHD) is high in patients with systemic lupus erythematosus (SLE), the predictive factors of concomitant VHD have not been fully evaluated.

Methods And Results: Among 288 patients with SLE who underwent transthoracic echocardiography at Kumamoto University Hospital from 2016 to 2021, 241 patients with sufficient echocardiographic data were retrospectively analysed. Among them, 22 (9 %) had VHD (10 had mitral regurgitation, 3 had aortic regurgitation, 6 had tricuspid regurgitation, 1 had mitral regurgitation and tricuspid regurgitation, and 2 had a prosthetic cardiac valve).

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Unlabelled: Atrial amyloidosis is primarily caused by atrial natriuretic peptide (ANP) amyloid deposition. The main precursor protein causing cardiac amyloidosis is transthyretin (TTR), also known as TTR amyloid cardiomyopathy (ATTR-CM). A 73-year-old man, who presented with external dyspnea, was diagnosed with decompensated heart failure due to atrial fibrillation and severe mitral regurgitation.

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Aims: The human epididymis protein 4 (HE4), a novel fibrosis marker, is expressed only in activated fibroblasts and is thought to reflect ongoing left ventricular (LV) fibrosis. LV fibrosis is a feature of severe aortic stenosis (AS) and is related to the post-operative outcome of patients with AS. We investigated the relationship between serum levels of HE4 and the post-operative prognosis of patients with severe AS.

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Background: Although tafamidis treatment improves prognosis in patients with wild-type transthyretin amyloid cardiomyopathy, an optimal surrogate marker monitoring its therapeutic effect remains unclear. This study investigated the association between changes in cardiac biomarkers, high-sensitivity cardiac troponin T (hs-cTnT) and B-type natriuretic peptide (BNP) during the first year after tafamidis treatment and clinical outcomes.

Methods And Results: In 101 patients with wild-type transthyretin amyloid cardiomyopathy receiving tafamidis at our institution, change in cardiac biomarkers from baseline to 1 year after tafamidis administration and its association with composite outcomes (composite of all-cause death and hospitalization attributable to heart failure) was assessed.

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Aims: This study aims to evaluate the distribution of extracellular volume fraction detected via computed tomography, clinical characteristics of high extracellular volume fraction detected via computed tomography, and the rate of incidental detection of cardiac amyloidosis in patients undergoing cardiac computed tomography for coronary artery evaluation.

Methods And Results: This study included 874 consecutive patients (mean age, 74.4 ± 7.

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Neither the efficacy nor safety of elobixibat has been investigated in the treatment of chronic constipation in patients with heart failure (HF). In this prospective, single-center, single-arm study elobixibat (10 mg/day) was administered for 12 weeks to 18 HF patients with chronic constipation defined according to the Rome IV criteria. Spontaneous bowel movement (SBM), stool consistency as measured by the Bristol Stool Form Scale, and degree of straining during defecation were recorded.

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[Purpose] Older patients with cardiovascular disease should increase their physical activity and prioritize positive psychological and social approaches in the maintenance phase of their cardiac rehabilitation. This study aimed to clarify the effect of small community walking on physical activity, well-being, and social capital in older patients with cardiovascular disease in the maintenance phase. [Participants and Methods] We conducted a multicenter study in Kumamoto, Japan.

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Article Synopsis
  • - This study analyzes the impact of right atrial strain during the reservoir phase (RASr) on the prognosis of patients with AL cardiac amyloidosis, finding that lower RASr values correlate significantly with higher mortality risk.
  • - Among the 72 patients studied, those who died showed worse kidney function (eGFR), higher levels of biomarkers (BNP and hs-cTnT), and lower heart strain measurements (including RASr) compared to those who survived.
  • - RASr was identified as a significant predictor of all-cause mortality even after accounting for other heart strain measures, highlighting its potential importance in assessing patient prognosis.
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  • This study looked at subclinical leaflet thrombosis after transcatheter aortic valve implantation (TAVI) in 35 patients, focusing on how thrombogenicity relates to this condition.
  • Thrombogenicity was measured using a specific system (T-TAS) at several intervals before and after the TAVI procedure, revealing a decrease in thrombogenicity initially but improvement by 3 months.
  • The research found a correlation between the decrease in thrombogenicity and an increase in leaflet thickness, suggesting that monitoring thrombogenicity could help predict the development of leaflet thrombosis post-TAVI.
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Background: Patients with acute myocardial infarction (AMI) complicating renal dysfunction (RD) are recognized as being at high risk. Although diabetes mellitus (DM) is a major cause of RD, the prognostic impact of coexisting DM on mortality in patients with AMI complicating RD is ill-defined. This study compared the prognostic impact of coexisting DM in patients with AMI complicating RD according to both age and sex.

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  • The study investigates the role of soluble PD-L1 (sPD-L1) in patients with coronary artery disease (CAD) and its potential link to cardiovascular events.
  • Researchers measured sPD-L1 levels in 627 CAD patients and tracked their health outcomes over approximately 522 days.
  • Results showed that higher sPD-L1 levels correlated with a greater rate of cardiovascular events, establishing sPD-L1 as a significant prognostic marker for CAD patients.
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Aim: This study aimed to investigate whether skin autofluorescence (SAF) is associated with clinical outcomes in patients with coronary artery disease. Advanced glycation end products (AGE) play a crucial role in atherosclerosis. Accumulation of AGE can be measured non-invasively by SAF.

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Coronary artery ectasia (CAE) is a cause of juvenile myocardial infarction. The causes of CAE include arteriosclerosis, vasculitis such as Kawasaki disease, and genetic contribution. There are few reports about familial aggregation of CAE-related juvenile myocardial infarction.

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Background: Left ventricular (LV) apical sparing by transthoracic echocardiography (TTE) has not been widely accepted to diagnose transthyretin amyloid cardiomyopathy (ATTR-CM), because it is time consuming and requires a level of expertise. We hypothesized that automatic assessment may be the solution for these problems.

Methods-and-results: We enrolled 63 patients aged ≥70 years who underwent Tc-labeled pyrophosphate (Tc-PYP) scintigraphy on suspicion of ATTR-CM and performed TTE by EPIQ7G, and had enough information for two-dimensional speckle tracking echocardiography at Kumamoto University Hospital from January 2016 to December 2019.

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Background: Carpal tunnel syndrome (CTS) is considered an early sign of cardiac amyloidosis (CA) because amyloid deposition is often confirmed in the tenosynovium removed during carpal tunnel release (CTR); however, the prevalence of concomitant CA is unclear.

Methods and results: We prospectively examined 700 patients who underwent CTR and evaluated amyloid deposition after tenosynovium removal. Amyloid deposition was observed in 261 (37%) patients, who were significantly older and predominantly male (P<0.

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Article Synopsis
  • - The study examined the prognostic value of right ventricular global longitudinal strain (RV-GLS) in patients with AL cardiac amyloidosis, alongside left ventricular (LV) global longitudinal strain (LV-GLS), as a predictor of mortality.
  • - Researchers analyzed data from 65 patients who did not receive prior chemotherapy and found that lower levels of RV-GLS were significantly correlated with higher rates of all-cause death during a median follow-up of 359 days.
  • - Results indicated that RV-GLS is a strong independent predictor of outcomes, outperforming LV-GLS and left atrium reservoir strain (LASr), with a critical cutoff point identified at 14.5%.
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  • The study investigates factors that indicate the need for pacing device implantation (PDI) in patients with transthyretin amyloid cardiomyopathy (ATTR-CM), aiming to determine the role of preventive PDI and implantable cardioverter-defibrillator (ICD) implantation.
  • It involved analyzing data from 114 wild-type and 50 hereditary ATTR-CM patients who were not implanted with pacing devices at diagnosis, comparing backgrounds of those who needed future PDI and identifying specific conduction disturbances linked to these needs.
  • Findings suggest that bifascicular block is a significant predictor for PDI in both types of ATTR-CM, while first-degree AV block does not necessitate PDI or ICD; the need for larger studies is
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Aims: Tafamidis improves prognosis in patients with transthyretin amyloid cardiomyopathy (ATTR-CM). However, real-world data on the therapeutic effect of tafamidis are lacking. This study aimed to evaluate the clinical course, outcomes, and effectivity monitoring of the therapeutic effect of tafamidis in patients with ATTR-CM.

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