Details of a Researcher - SHIRAISHI Yasuyuki

Papers - SHIRAISHI Yasuyuki

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Different prognostic associations of beta-blockers and diuretics in heart failure with preserved ejection fraction with versus without high blood pressure

Matsushita K., Harada K., Miyazaki T., Miyamoto T., Kohsaka S., Iida K., Tanimoto S., Takei M., Hosoda T., Yamamoto Y., Shiraishi Y., Yoshino H., Yamamoto T., Nagao K., Takayama M.

Journal of hypertension (Journal of hypertension) 37 ( 3 ) 643 - 649 2019.03

ISSN 0263-6352

OBJECTIVE: No agents have been proven to improve survival in heart failure with preserved ejection fraction (HFpEF), but the phenotypic diversity of HFpEF suggests it may be possible to identify specific HFpEF phenotypes that will benefit from certain treatments. This study compared the risk factors for and prognostic impacts of treatments on in-hospital mortality between HFpEF patients with (+) and without (-) high blood pressure (HBP). METHODS: Data on 2238 consecutive HFpEF patients were extracted from Tokyo CCU Network data registry and analysed. HFpEF was defined as an ejection fraction greater than or equal to 50%; HBP was defined as elevated systolic blood pressure (>140 mmHg) at admission. Potential risk factors for in-hospital mortality were selected by univariate analyses and those with P < 0.10 were used in multivariate Cox regression analysis with forward selection (likelihood ratio) to identify significant factors. RESULTS: In-hospital mortality was significantly lower for HFpEF + HBP than HFpEF - HBP patients (log-rank, P < 0.001). Independent risk factors for in-hospital mortality in HFpEF + HBP patients were older age (hazard ratio 1.069) and in-hospital treatment without beta-blockers (hazard ratio 7.946), whereas older age (hazard ratio 1.035), higher C-reactive protein (hazard ratio 1.047), higher B-type natriuretic peptide (hazard ratio 1.000) and in-hospital treatment without diuretics (hazard ratio 4.201) were identified as independent risk factors in HFpEF - HBP patients. CONCLUSION: There were significant differences in prognostic factors, including beta-blocker and diuretic treatments, for in-hospital mortality between HFpEF patients with and without HBP. These findings suggest possible individualized therapies for patients with HFpEF.

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Controlling Nutritional Status Score As a Predictive Marker for Patients With Implantable Left Ventricular Assist Device.

Saito A, Amiya E, Hatano M, Shiraishi Y, Nitta D, Minatsuki S, Maki H, Hosoya Y, Tsuji M, Bujo C, Nawata K, Kinoshita O, Kimura M, Endo M, Kagami Y, Nemoto M, Ikeda Y, Morita H, Ono M, Komuro I

ASAIO journal (American Society for Artificial Internal Organs : 1992) (ASAIO journal (American Society for Artificial Internal Organs : 1992)) 66 ( 2 ) 166 - 172 2019.02

ISSN 1058-2916

Although a correlation between the nutritional status and the prognosis of patients with heart failure has been suggested, a correlation between the nutritional status and outcomes after the left ventricular assist device (LVAD) implantation remains unclear. We aimed to investigate the efficacy of the Controlling Nutritional Status (CONUT) score (range 0-12, including serum albumin, total cholesterol, and lymphocytes) as a nutritional index in speculating the prognosis of patients undergoing LVAD implantation. We examined 63 consecutive patients who underwent the continuous-flow LVAD implantation. Using the preoperative CONUT score, patients were categorized into two groups: lower CONUT score (0-4: normal to mild malnutrition) and higher CONUT score (5-12: moderate to severe malnutrition). We compared for the backgrounds and the clinical events after LVAD implantation. The higher CONUT group exhibited a significantly higher mean right atrial pressure (10.9 ± 4.7 vs. 7.3 ± 4.1 mmHg; p = 0.0019). In that group, the mortality rate was significantly higher (25% vs. 2.6%; p = 0.0059) and the Kaplan-Meier analysis showed lower survival rate. Furthermore, more bleeding events significantly occurred in the higher CONUT group. The preoperative CONUT score may reflect systemic venous congestion and offer a useful prognostic index of clinical courses after LVAD implantation.

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In-hospital outcome in patients presenting with acute coronary syndrome with left main coronary artery disease: A report from Japanese prospective multicenter percutaneous coronary intervention registry

Tani H., Sawano M., Numasawa Y., Kobayashi Y., Suzuki M., Noma S., Shiraishi Y., Ueda I., Fukuda K., Kohsaka S.

Journal of Cardiology (Journal of Cardiology) 75 ( 6 ) 635 - 640 2019

ISSN 09145087

© 2019 Japanese College of Cardiology Background: Patients presenting with acute coronary syndrome (ACS) from left main (LM) disease are at a high risk for mortality despite recent advancement in devices and techniques during percutaneous coronary interventions (PCI). We aimed to evaluate patient characteristics, clinical presentations, and key clinical characteristics associated with adverse in-hospital outcomes among ACS patients undergoing LM-PCI. Methods: We retrospectively identified 280 LM-ACS patients (3.7 %) from 7608 ACS patients in the prospective multicenter Japan Cardiovascular Database-Keio Inter-Hospital Cardiovascular Studies registry from March 2009 to May 2016 and divided them into those with/without PCI/coronary artery bypass grafting. We compared baseline demographics, coronary lesion characteristics, PCI details, and short-term outcomes, including in-hospital mortality and periprocedural complications, between the two groups. Results: Among LM-ACS patients, 38.6 % presented with ST elevation myocardial infarction, 29.6 % with cardiogenic shock (CS), and 15.4 % with cardiac arrest. The observed in-hospital mortality rate was 18.9 % with presence of CS [odds ratio (OR): 10.16, 95 % confidence interval (CI): 4.51–22.91, p < 0.001] and absence of prior revascularization (de novo patients; OR: 4.31, 95 % CI: 1.43–12.94, p = 0.009) was independently associated with higher incidence of in-hospital mortality. Notably, the observed mortality rate was substantially higher among de novo patients than the predicted mortality rate with a contemporary risk model (observed: 25.1 %; predicted: 11.6 %). Conclusions: Prior revascularization act as a protective factor among LM-ACS patients in the contemporary era of PCI. Further studies to detect those at higher risk for LM coronary lesion progression are needed to fully implement these findings into clinical practice.

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Clinical implications of the blood urea nitrogen/creatinine ratio in heart failure are and their association with haemoconcentration

Sujino Y., Nakano S., Tanno J., Shiraishi Y., Goda A., Mizuno A., Nagatomo Y., Kohno T., Muramatsu T., Nishimura S., Kohsaka S., Yoshikawa T.

ESC Heart Failure (ESC Heart Failure) 6 ( 6 ) 1274 - 1282 2019

© 2019 The Authors. ESC Heart Failure published by John Wiley & Sons Ltd on behalf of the European Society of Cardiology. Aims: The blood urea nitrogen (BUN)/creatinine ratio is a strong prognostic indicator in patients with acute decompensated heart failure (ADHF). However, the clinical impact of a high BUN/creatinine ratio at discharge with respect to renal dysfunction, neurohormonal hyperactivity, and different responsiveness to decongestion therapy remains unclear. Herein, we examined (i) the predictive value of a high BUN/creatinine ratio at discharge and (ii) its haemoconcentration-dependent effects, in patients with ADHF. Methods and results: The West Tokyo Heart Failure registry was a multicentre, prospective cohort registry-based study that enrolled patients hospitalized with a diagnosis of ADHF. The endpoint was post-discharge all-cause death. Based on the degree of haemoconcentration, patients (n = 2090) were divided into four subcategories. In multivariate proportional hazard analyses, a higher BUN/creatinine ratio was independently associated with higher all-cause mortality in the total population and in the extreme haemodilution (ΔHaemoglobin ≤ −0.9 g/dL) and haemoconcentration (0.8 g/dL ≤ ΔHaemoglobin) subcategories, but not in the modest haemodilution/haemoconcentration subcategories. Conclusions: A higher BUN/creatinine ratio at discharge was independently associated with higher post-discharge all-cause mortality in patients with ADHF. The predictive value of a high BUN/creatinine ratio at discharge was haemoconcentration dependent and may be an unfavourable predictor in patients showing excessive haemoconcentration and haemodilution, but not in those showing modest haemoconcentration/haemodilution.

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Prognostic impact of previous hospitalization in acute heart failure patients

Akita K., Kohno T., Kohsaka S., Shiraishi Y., Nagatomo Y., Goda A., Mizuno A., Sujino Y., Fukuda K., Yoshikawa T.

Circulation Journal (Circulation Journal) 83 ( 6 ) 1261 - 1268 2019

ISSN 13469843

© 2019, Japanese Circulation Society. All rights reserved. Background: The natural course of heart failure (HF) is typically associated with repeated hospitalizations, and subsequently, patient prognosis deteriorates. However, the precise relationship between repeated admissions for HF and long-term prognosis remains unknown. Methods and Results: We analyzed data from 1,730 consecutive acute HF patients registered in the West Tokyo Heart Failure (WET-HF) registry between June 2005 and April 2014 (median age, 76 years). Patients were divided into 3 groups according to the number of previous HF admissions at the time of the index admission (0, n=876 [55.4%]; 1, n=425 [26.9%]; ≥2, n=279 [17.7%] previous admissions). A history of multiple previous admissions was an independent predictor for all-cause death and HF readmission in reference to a history of a single previous admission (hazard ratio (HR), 1.53; 95% confidence interval (CI) 1.10–2.13; HR, 1.90 95% CI, 1.47–2.44, respectively) or no previous admissions (HR, 1.37, 95% CI, 1.01–1.85; HR, 2.83, 95% CI, 2.19–3.65, respec-tively). On the other hand, a history of a single previous admission was an independent predictor for HF readmission in reference to a history of no previous admissions (HR, 1.51, 95% CI, 1.18–1.92), but not for all-cause death (HR, 0.89, 95% CI, 0.66–1.20). Conclusions: Based on a contemporary multicenter HF registry, a history of multiple previous HF admissions was revealed as an independent, strong risk factor of adverse events following the index admission. The number of hospitalizations could be a simple and important surrogate indicating subsequent adverse events in patients with HF.

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Impact of catheter-induced iatrogenic coronary artery dissection with or without postprocedural flow impairment: A report from a Japanese multicenter percutaneous coronary intervention registry

Hiraide T., Sawano M., Shiraishi Y., Ueda I., Numasawa Y., Noma S., Negishi K., Ohki T., Yuasa S., Hayashida K., Miyata H., Fukuda K., Kohsaka S.

PLoS ONE (PLoS ONE) 13 ( 9 ) e0204333 2018.09

© 2018 Hiraide et al. This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited. Despite the ever-increasing complexity of percutaneous coronary intervention (PCI), the incidence, predictors, and in-hospital outcomes of catheter-induced coronary artery dissection (CICAD) is not well defined. In addition, there are little data on whether persistent coronary flow impairment after CICAD will affect clinical outcomes. We evaluated 17,225 patients from 15 participating hospitals within the Japanese PCI registry from January 2008 to March 2016. Associations between CICAD and in-hospital adverse cardiovascular events were evaluated using multivariate logistic regression. Outcomes of patients with CICAD with or without postprocedural flow impairment (TIMI flow 2 or 3, respectively) were analyzed. The population was predominantly male (79.4%; mean age, 68.2 ± 11.0 years); 35.6% underwent PCI for complex lesions (eg. chronic total occlusion or a bifurcation lesion.). CICAD occurred in 185 (1.1%), and its incidence gradually decreased (p < 0.001 for trend); postprocedural flow impairment was observed in 43 (23.2%). Female sex, complex PCI, and target lesion in proximal vessel were independent predictors (odds ratio [OR], 2.18; 95% confidence interval [CI], 1.53–3.10; OR, 2.19; 95% CI, 1.58–3.04; and OR, 1.55; 95% CI, 1.06–2.28, respectively). CICAD was associated with an increased risk of in-hospital adverse events (composite of new-onset cardiogenic shock and new-onset heart failure) regardless of postprocedural flow impairment (OR, 10.9; 95% CI, 5.30–22.6 and OR, 2.27; 95% CI, 1.20–4.27, respectively for flow-impaired and flow-recovered CICAD). In conclusion, CICAD occurred in roughly 1% of PCI cases; female sex, complex PCI, and proximal lesion were its independent risk factors. CICAD was associated with adverse in-hospital cardiovascular events regardless of final flow status. Our data implied that the appropriate selection of PCI was necessary for women with complex lesions.

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Mortality after admission for heart failure in the UK compared with Japan

Nagai T., Sundaram V., Rothnie K., Quint J., Shoaib A., Shiraishi Y., Kohsaka S., Piper S., McDonagh T., Hardman S., Goda A., Mizuno A., Kohno T., Rigby A., Yoshikawa T., Clark A., Anzai T., Cleland J.

Open Heart (Open Heart) 5 ( 2 ) e000811 2018.08

ISSN 2053-3624

© Author(s) (or their employer(s)) 2018. Objective Mortality amongst patients hospitalised for heart failure (HHF) in Western and Asian countries may differ, but this has not been investigated using individual patient-level data (IPLD). We sought to remedy this through rigorous statistical analysis of HHF registries and variable selection from a systematic literature review. Methods and results IPLD from registries of HHF in Japan (n=3781) and the UK (n=894) were obtained. A systematic literature review identified 23 models for predicting outcome of HHF. Five variables appearing in 10 or more reports were strongly related to prognosis (systolic blood pressure, serum sodium concentration, age, blood urea nitrogen and creatinine). To compare mortality in the UK and Japan, variables were imputed in a propensity model using inverse probability of treatment weighting (IPTW) and IPTW with logistic regression (doubly robust IPTW). Overall, patients in the UK were sicker and in-patient and post-discharge mortalities were greater, suggesting that the threshold for hospital admission was higher. Covariate-adjusted in-hospital mortality was similar in the UK and Japan (IPTW OR: 1.14, 95% CI 0.70 to 1.86), but 180-day postdischarge mortality was substantially higher in the UK (doubly robust IPTW OR: 2.33, 95% CI 1.58 to 3.43). Conclusions Despite robust methods to adjust for differences in patient characteristics and disease severity, HHF patients in the UK have roughly twice the mortality at 180 days compared with those in Japan. Similar analyses should be done using other data sets and in other countries to determine the consistency of these findings and identify factors that might inform healthcare policy and improve outcomes.

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Performance of the MAGGIC heart failure risk score and its modification with the addition of discharge natriuretic peptides

Sawano M., Shiraishi Y., Kohsaka S., Nagai T., Goda A., Mizuno A., Sujino Y., Nagatomo Y., Kohno T., Anzai T., Fukuda K., Yoshikawa T.

ESC Heart Failure (ESC Heart Failure) 5 ( 4 ) 610 - 619 2018.08

Research paper (scientific journal), Accepted

© 2018 The Authors. Aims Predictive models for heart failure patients are widely used in the clinical practice to stratify patients’ mortality and enable clinicians to tailor and intensify their approach. However, such models have not been validated internationally. In addition, biomarkers are now frequently measured to obtain prognostic information, and the implications of this practice are not known. In this study, we aimed to validate the model performance of the Meta-analysis Global Group in Chronic Heart Failure (MAGGIC) score in a Japanese acute heart failure registry and further explore the incremental prognostic value of discharge B-type natriuretic peptide (BNP) level. Methods and Results In this study, we evaluated the registered data of 2215 consecutive acute HF patients (with 694 119 person-years follow-up) from a prospective multicentre registry (the West Tokyo Heart Failure) conducted in Japan from April 2006 to August 2016. The mean age was 73.0 ± 13.0, and 61.2% were male. The MAGGIC score demonstrated modest discrimination (c-index = 0.71, 95% confidence interval 0.67–0.74) and good calibration (R2 value = 0.97); there was constant overestimation for 1 year mortality. However, when the BNP level was added to the original MAGGIC variables, the model demonstrated good discrimination (c-index = 0.74, 95% confidence interval 0.70–0.78) with adequate calibration (R2 value = 0.91). The modified MAGGIC BNP score was externally validated in a separate Japanese registry (NaDEF) and demonstrated moderate discrimination (c-index = 0.69, 95% confidence interval 0.65–0.73) and calibration (R2 value = 0.85). Conclusion The original MAGGIC score performed modestly in Japanese patients, but the addition of discharge BNP level enhanced model performance. The addition of objective biomarkers may result in effective modification of preexisting internationally recognized risk models and aid in multinational comparisons of heart failure patients’ outcomes.

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Validation of U.S. mortality prediction models for hospitalized heart failure in the United Kingdom and Japan

Nagai T., Sundaram V., Shoaib A., Shiraishi Y., Kohsaka S., Rothnie K., Piper S., McDonagh T., Hardman S., Goda A., Mizuno A., Sawano M., Rigby A., Quint J., Yoshikawa T., Clark A., Anzai T., Cleland J.

European Journal of Heart Failure (European Journal of Heart Failure) 20 ( 8 ) 1179 - 1190 2018.08

ISSN 13889842

© 2018 The Authors. European Journal of Heart Failure © 2018 European Society of Cardiology Aims: Prognostic models for hospitalized heart failure (HHF) were developed predominantly for patients of European origin in the United States of America; it is unclear whether they perform similarly in other health care systems or for different ethnicities. We sought to validate published prediction models for HHF in the United Kingdom (UK) and Japan. Methods and results: Patients in the UK (n =894) and Japan (n =3158) were prospectively enrolled and were similar in terms of sex (∼60% men) and median age (∼77 years). Models predicted that British patients would have a higher mortality than Japanese, which was indeed true both for in-hospital (4.8% vs. 2.5%) and 180-day (20.7% vs. 9.5%) mortality. The model c-statistics for the published/derivation (range 0.70–0.76) and Japanese (range 0.75–0.77) cohorts were similar and higher than for the UK (0.62–0.75) but models consistently overestimated mortality in Japan. For in-hospital mortality, the OPTIMIZE-HF model performed best, providing similar discrimination in published/derivation, UK and Japanese cohorts [c-indices: 0.75 (0.74–0.77); 0.75 (0.68–0.81); and 0.77 (0.70–0.83), respectively], and least overestimated mortality in Japan. For 180-day mortality, the c-statistics for the ASCEND-HF model were similar in published/derivation (0.70) and UK [0.69 (0.64–0.74)] cohorts but higher in Japan [0.75 (0.71–0.79)]; calibration was good in the UK but again overestimated mortality in Japan. Conclusion: Calibration of published prediction models appears moderately accurate and unbiased when applied to British patients but consistently overestimates mortality in Japan. Identifying the reason why patients in Japan have a better than predicted prognosis is of great interest.

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Incidence of hospital-acquired hyponatremia by the dose and type of diuretics among patients with acute heart failure and its association with long-term outcomes

Yamazoe M., Mizuno A., Kohsaka S., Shiraishi Y., Kohno T., Goda A., Higuchi S., Yagawa M., Nagatomo Y., Yoshikawa T.

Journal of Cardiology (Journal of Cardiology) 71 ( 6 ) 550 - 556 2018.06

ISSN 09145087

© 2018 Background: Diuretics are the cornerstone therapy for acute heart failure (AHF) but can lead to various electrolyte disturbances and inversely affect the patients’ outcome. We aimed to evaluate whether (1) the dose of loop diuretics could predict hospital-acquired hyponatremia (HAH) during AHF treatment, (2) addition of thiazide diuretics could affect development of HAH, and (3) assess their impact on long-term outcomes. Methods: We analyzed the subjects enrolled in the multicenter AHF registry (WET-HF). Risk of HAH, defined as hyponatremia at discharge with normonatremia upon admission, was evaluated based on oral non-potassium-sparing diuretics via multivariate logistic regression analysis. Additionally, we performed one-to-one matched analysis based on propensity scores for thiazide diuretics use and compared long-term mortality. Results: Of total 1163 patients (mean age 72.6 ± 13.6 years, male 62.6%), 92 (7.9%) had HAH. Compared with low-dose loop diuretics users (<40 mg; without thiazide diuretics), risks for developing HAH were significantly higher in patients with thiazide diuretics, regardless of the dose of loop diuretics (OR 2.67, 95% CI 1.13–6.34 and OR 2.31, 95% CI 1.50–5.13 for low- and high-dose loop diuretics, respectively). The association was less apparent in patients without thiazide diuretics (OR 1.29, 95% CI 0.73–2.27 for high-dose loop diuretics alone). Among 206 matched patients, all-cause and cardiac mortality rate was 27% and 14% in non thiazide diuretics users and 50% and 30% in thiazide diuretics users, respectively (HR 2.46, 95% CI 1.29–4.69, p = 0.006 and HR 2.50, 95% CI 1.10–5.67, p = 0.028, respectively) during a mean 19.3 months of follow-up. Conclusions: Thiazide diuretics use, rather than loop diuretics dose, was independently associated with HAH; and mortality was higher in thiazide diuretics users even after statistical matching.

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Long-Term Prognostic Significance of Plasma B-Type Natriuretic Peptide Level in Patients With Acute Heart Failure With Reduced, Mid-Range, and Preserved Ejection Fractions

Hamatani Y., Nagai T., Shiraishi Y., Kohsaka S., Nakai M., Nishimura K., Kohno T., Nagatomo Y., Asaumi Y., Goda A., Mizuno A., Yasuda S., Ogawa H., Yoshikawa T., Anzai T.

American Journal of Cardiology (American Journal of Cardiology) 121 ( 6 ) 731 - 738 2018.03

ISSN 00029149

© 2017 Elsevier Inc. Plasma B-type natriuretic peptide (BNP) is an important prognostic marker in patients with acute heart failure (AHF). However, it is unclear which BNP parameter, on admission, at discharge, or change during hospitalization, has the highest predictive performance for long-term adverse outcomes, and whether its prognostic impact differs according to the new European heart failure (HF) phenotype classification by left ventricular ejection fraction: heart failure with reduced ejection fraction (HFrEF), heart failure with mid-range ejection fraction (HFmrEF), and heart failure with preserved ejection fraction (HFpEF). We examined 1,792 patients with AHF consisting of 860 (48%) HFrEFs, 318 (18%) HFmrEFs, and 614 (34%) HFpEFs. Prognostic performance of each BNP parameter was assessed by the Harrell c-index. During a median follow-up of 664 days, 344 (19%) patients died. Discharge BNP had the highest c-index (0.69) for mortality among all BNP parameters (p <0.001). In multivariate Cox proportional hazard modeling, discharge BNP was associated with mortality in HFrEF, HFmrEF, and HFpEF patients with significant interaction (hazard ratio [HR] 1.95, 95% confidence interval [CI] 1.57 to 2.41; HR 1.76, 95% CI 1.10 to 2.82; HR 1.46, 95% CI 1.12 to 1.91, respectively; p = 0.011 for interaction). Moreover, the c-index of discharge BNP for mortality in HFrEF patients (0.72) was higher than that in HFmrEF patients (0.68) and HFpEF patients (0.65). Similar results were obtained for mortality or HF rehospitalization as alternative outcomes, except there was no statistically significant interaction among HF phenotypes. In conclusion, discharge BNP is a more reliable marker than other BNP parameters on long-term outcome prediction in patients with AHF, but its prognostic impact may be weakened in HFmrEF and HFpEF compared with HFrEF.

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Stroke after percutaneous coronary intervention in the era of transradial intervention report from a Japanese multicenter registry

Shoji S., Kohsaka S., Kumamaru H., Sawano M., Shiraishi Y., Ueda I., Noma S., Suzuki M., Numasawa Y., Hayashida K., Yuasa S., Miyata H., Fukuda K.

Circulation: Cardiovascular Interventions (Circulation: Cardiovascular Interventions) 11 ( 12 ) e006761 2018

ISSN 19417640

© 2018 American Heart Association, Inc. BACKGROUND: Periprocedural stroke is a rare but life-threatening complication of percutaneous coronary intervention (PCI). Transradial intervention (TRI) is more beneficial than transfemoral intervention for periprocedural bleeding and acute kidney injuries, but its effect on periprocedural stroke has not been fully investigated. Our study aimed to assess risk predictors of periprocedural stroke according to PCI access site. METHODS AND RESULTS: Between 2008 and 2016, 17966 patients undergoing PCI were registered in a prospective multicenter database. Periprocedural stroke was defined as loss of neurological function caused by an ischemic or hemorrhagic event with residual symptoms lasting at least 24 hours after onset. Periprocedural stroke was observed in 42 patients (0.3%). Stroke patients were older and had a higher incidence of chronic kidney disease, peripheral artery disease, and acute coronary syndrome but were less likely to undergo TRI. Multivariable logistic regression analysis revealed TRI (odds ratio; 0.33; 95% CI, 0.16-0.71; P=0.004) was significantly associated with a lower occurrence of periprocedural stroke. Finally, propensity score-matching analysis showed that TRI was associated with a reduced risk of periprocedural stroke compared with transfemoral intervention (0.1% versus 0.4%; P=0.014). According to our sensitivity analysis, this finding was robust to the presence of an unmeasured confounder in almost all plausible scenarios. CONCLUSIONS: TRI was associated with a reduced risk of periprocedural stroke compared with transfemoral intervention. Increased TRI use may reduce overall PCI complications and should be recommended as the optimal access site for both urgent/emergent and elective PCIs.

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Identification of left atrial appendage thrombi in patients with persistent and long-standing persistent atrial fibrillation using intra-cardiac echocardiography and cardiac computed tomography

Ikegami Y., Tanimoto K., Inagawa K., Shiraishi Y., Fuse J., Sakamoto M., Momiyama Y., Takatsuki S.

Circulation Journal (Circulation Journal) 82 ( 1 ) 46 - 52 2018

ISSN 13469843

© 2017, Japanese Circulation Society. All rights reserved. Background: Intracardiac echocardiography (ICE) and cardiac computed tomography (CCT), in addition to standard transesophageal echocardiography (TEE), have been used to identify left atrial (LA) thrombi prior to ablation for atrial fibrillation (AF). The clinical advantages of this, however, remain unclear. This study therefore investigated the advantages of additional pre-procedural LA appendage (LAA) thrombus evaluation using ICE and the clinical value of CCT in persistent and long-standing persistent AF. Methods and Results: We analyzed data from 108 consecutive patients with persistent and long-standing persistent AF who were scheduled to undergo AF ablation. TEE was performed within 24 h prior to ablation. ICE was performed for 97 patients in whom a thrombus was not detected on TEE. CCT was performed in 95 patients. Thrombus or sludge was detected on TEE in 11 patients (10.3%), for whom ablation was cancelled. Four additional patients were diagnosed with LAA thrombus on ICE. When TEE and ICE were used as the reference for thrombus detection, the sensitivity, specificity, positive predictive value, and negative predictive value of CCT for identifying contrast defects in the LAA were 100%, 81.0%, 40.7%, and 100%, respectively. Conclusions: ICE combined with TEE increased the detection rate of LAA thrombi in patients with persistent and long-standing persistent AF. Moreover, CCT had high sensitivity and negative predictive value for LAA thrombus detection.

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Effect of Heart Failure Secondary to Ischemic Cardiomyopathy on Body Weight and Blood Pressure.

Matsushita K, Harada K, Miyazaki T, Miyamoto T, Kohsaka S, Iida K, Tanimoto S, Yagawa M, Shiraishi Y, Yoshino H, Yamamoto T, Nagao K, Takayama M

The American journal of cardiology 120 ( 9 ) 1589 - 1594 2017.11

ISSN 0002-9149

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Effect of Obesity on the Prognostic Impact of Atrial Fibrillation in Heart Failure With Preserved Ejection Fraction.

Yagawa M, Nagatomo Y, Izumi Y, Mahara K, Tomoike H, Shiraishi Y, Kohno T, Mizuno A, Goda A, Kohsaka S, Yoshikawa T, West Tokyo Heart Failure (WET-HF) Registry Collaborative Group.

Circulation journal : official journal of the Japanese Circulation Society 81 ( 7 ) 966 - 973 2017.06

ISSN 1346-9843

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The Effects of Hydrogen Gas Inhalation on Adverse Left Ventricular Remodeling After Percutaneous Coronary Intervention for ST-Elevated Myocardial Infarction　- First Pilot Study in Humans.

Katsumata Y, Sano F, Abe T, Tamura T, Fujisawa T, Shiraishi Y, Kohsaka S, Ueda I, Homma K, Suzuki M, Okuda S, Maekawa Y, Kobayashi E, Hori S, Sasaki J, Fukuda K, Sano M

Circulation journal : official journal of the Japanese Circulation Society 81 ( 7 ) 940 - 947 2017.06

ISSN 1346-9843

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Rapid Improvement of thyroid storm-related hemodynamic collapse by aggressive anti-thyroid therapy including steroid pulse: A case report.

Kiriyama H, Amiya E, Hatano M, Hosoya Y, Maki H, Nitta D, Saito A, Shiraishi Y, Minatsuki S, Sato T, Murakami H, Uehara M, Manaka K, Makita N, Watanabe M, Komuro I

Medicine 96 ( 22 ) e7053 2017.06

ISSN 0025-7974

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Barriers Associated With Door-to-Balloon Delay in Contemporary Japanese Practice.

Ikemura N, Sawano M, Shiraishi Y, Ueda I, Miyata H, Numasawa Y, Noma S, Suzuki M, Momiyama Y, Inohara T, Hayashida K, Yuasa S, Maekawa Y, Fukuda K, Kohsaka S

Circulation journal : official journal of the Japanese Circulation Society 81 ( 6 ) 815 - 822 2017.05

ISSN 1346-9843

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Current use of guideline-based medical therapy in elderly patients admitted with acute heart failure with reduced ejection fraction and its impact on event-free survival.

Akita K, Kohno T, Kohsaka S, Shiraishi Y, Nagatomo Y, Izumi Y, Goda A, Mizuno A, Sawano M, Inohara T, Fukuda K, Yoshikawa T, West Tokyo Heart Failure Registry Investigators.

International journal of cardiology 235 162 - 168 2017.05

ISSN 0167-5273

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A Novel SCN5A Mutation Found in a Familial Case of Long QT Syndrome Complicated by Severe Left Ventricular Dysfunction.

Kimura M, Kohno T, Aizawa Y, Inohara T, Shiraishi Y, Katsumata Y, Egashira T, Fukushima H, Kosaki K, Fukuda K

The Canadian journal of cardiology 33 ( 4 ) 554.e5 - 554.e7 2017.04

ISSN 0828-282X

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