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Onoda H, Imamura T, Ueno H, Oshima A, Ushijima R, Sobajima M, Kinugawa K. Paradoxical prognostic impact of severe aortic stenosis following trans-catheter aortic valve implantation. J Cardiol 2024:S0914-5087(24)00056-X. [PMID: 38580175 DOI: 10.1016/j.jjcc.2024.03.010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/01/2024] [Revised: 02/25/2024] [Accepted: 03/21/2024] [Indexed: 04/07/2024]
Abstract
BACKGROUND Aortic valve replacement is recommended for patients with "very severe" aortic stenosis (AS), irrespective of symptomatic manifestation. Nonetheless, the prognostic ramifications of "very severe" AS, as opposed to "severe" AS, subsequent to trans-catheter aortic valve implantation (TAVI) remain enigmatic. METHODS We enrolled consecutive patients who received TAVI at our institute between May 2015 and April 2021. We scrutinized the impact of baseline "very severe" AS upon 3-year all-cause death or heart failure hospitalization following TAVI, in comparison to "severe" AS. RESULTS A total of 239 patients (84.8 ± 5.4 years old, 58 men) were included. Baseline "very severe" AS was observed in 65 (27 %) patients, who exhibited more advanced hypertrophy and higher B-type natriuretic peptide levels compared to those with "severe" AS (p < 0.05 for both). Baseline "very severe" AS was paradoxically associated with higher freedom from the primary endpoint following TAVI compared to those with "severe" AS (p = 0.01). CONCLUSIONS The presence of baseline "very severe" AS was paradoxically associated with improved clinical outcomes subsequent to TAVI, in contrast to the cases of "severe" AS.
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Affiliation(s)
- Hiroshi Onoda
- The Second Department of Internal Medicine, University of Toyama, Toyama, Japan
| | - Teruhiko Imamura
- The Second Department of Internal Medicine, University of Toyama, Toyama, Japan.
| | - Hiroshi Ueno
- The Second Department of Internal Medicine, University of Toyama, Toyama, Japan
| | - Akira Oshima
- The Second Department of Internal Medicine, University of Toyama, Toyama, Japan
| | - Ryuichi Ushijima
- The Second Department of Internal Medicine, University of Toyama, Toyama, Japan
| | - Mitsuo Sobajima
- The Second Department of Internal Medicine, University of Toyama, Toyama, Japan
| | - Koichiro Kinugawa
- The Second Department of Internal Medicine, University of Toyama, Toyama, Japan
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Imamura T, Izumida T, Onoda H, Tanaka S, Ushijima R, Sobajima M, Fukuda N, Ueno H, Kinugawa K. Trajectory of pulmonary congestion during TAVR. Cardiovasc Interv Ther 2024; 39:183-190. [PMID: 38038803 DOI: 10.1007/s12928-023-00971-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2023] [Accepted: 10/30/2023] [Indexed: 12/02/2023]
Abstract
Patients with severe aortic stenosis often experience pulmonary congestion due to incremental afterload. The trajectory of pulmonary fluid volume during transcatheter aortic valve replacement (TAVR) remains uncertain. Remote dielectric sensing (ReDS) is a recently introduced device for non-invasive quantification of lung fluid volume without expert techniques. We evaluated the trajectory of ReDS values during TAVR and its prognostic implications. Patients with severe aortic stenosis who underwent ReDS measurements upon admission and at the index discharge after TAVR between 2021 and 2022 were eligible. They were followed up until August 2023. The primary focus was on the trajectory of ReDS values during TAVR, with secondary consideration given to its impact on the composite of death or all-cause readmission after TAVR. A total of 57 patients were included. Median age was 84 years and 24 were male. ReDS value remained unchanged after TAVR, changing from 27% (IQR 24%, 29%) to 26% (IQR 24%, 30%) (p = 0.65). ReDS value did not decrease in 23 (40%) patients. The presence of coronary artery disease and atrial fibrillation were associated with no decrease in ReDS value. This lack of decrease in ReDS value was linked to death or all-cause readmission after TAVR, with an age-adjusted hazard ratio of 3.40 (95% confidence interval 1.01-11.4, p = 0.048). The degree of lung fluid amount did not decrease in 40% of TAVR candidates during the procedure. The lack of decrease in lung fluid amount was associated with mortality and morbidity after TAVR. The next concern is to establish therapeutic strategy for patients with residual pulmonary congestion after TAVR.
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Affiliation(s)
- Teruhiko Imamura
- The Second Department of Internal Medicine, University of Toyama, 2630 Sugitani, Toyama, 930-0194, Japan.
| | - Toshihide Izumida
- The Second Department of Internal Medicine, University of Toyama, 2630 Sugitani, Toyama, 930-0194, Japan
| | - Hiroshi Onoda
- The Second Department of Internal Medicine, University of Toyama, 2630 Sugitani, Toyama, 930-0194, Japan
| | - Shuhei Tanaka
- The Second Department of Internal Medicine, University of Toyama, 2630 Sugitani, Toyama, 930-0194, Japan
| | - Ryuichi Ushijima
- The Second Department of Internal Medicine, University of Toyama, 2630 Sugitani, Toyama, 930-0194, Japan
| | - Mitsuo Sobajima
- The Second Department of Internal Medicine, University of Toyama, 2630 Sugitani, Toyama, 930-0194, Japan
| | - Nobuyuki Fukuda
- The Second Department of Internal Medicine, University of Toyama, 2630 Sugitani, Toyama, 930-0194, Japan
| | - Hiroshi Ueno
- The Second Department of Internal Medicine, University of Toyama, 2630 Sugitani, Toyama, 930-0194, Japan
| | - Koichiro Kinugawa
- The Second Department of Internal Medicine, University of Toyama, 2630 Sugitani, Toyama, 930-0194, Japan
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Shan C, Pandyaswargo AH, Ogawa A, Tsubouchi R, Onoda H. Japanese public perceptions on smart bin potential to support PAYT systems. Waste Manag 2024; 177:278-288. [PMID: 38354635 DOI: 10.1016/j.wasman.2024.02.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/02/2023] [Revised: 01/29/2024] [Accepted: 02/02/2024] [Indexed: 02/16/2024]
Abstract
Smart bins can increase transparency and accuracy in monitoring waste characteristics such as weight, volume, and disposal times. This information can aid in enforcing waste reduction policies, including the pay-as-you-throw (PAYT) system. However, the public's response to this technology remains uncertain. Despite Japan's reputation for high waste separation compliance and collection rates, it has one of the world's highest per capita rates of plastic and packaging waste generation. This study surveyed 1000 Japanese individuals regarding their perception of smart bin features and their potential to encourage waste reductions. Multiple correspondence analysis (MCA) was used to explore the relationships between respondents' social attributes and their responses. The findings indicate a slightly higher responses from younger respondents (above 85 % of those age 10-29 compared to around 75 % of those aged 60 and older) who were in favour of smart bin technology functions such as unscheduled waste pick up and automatized waste separation. On the other hand, there was a strong unwillingness (0.57 count ratio) to reduce plastic waste even if a smart bin assisted PAYT is introduced from those who did not engage in waste separation and cleaning in the first place. Finally, an open-ended question about strategies to reduce plastic waste resulted in a large portion of mindset change ideas (24.8 % of the female respondents) and technology innovations proposals (24 % of male respondents). Although development of a smart-bin prototype is taking place, behavioral change strategies to foster a willingness to reduce waste must take place along with technological interventions.
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Affiliation(s)
- Chaoxia Shan
- Graduate School of Environment and Energy Engineering, Waseda University, 513 Waseda Tsurumaki-cho, Shinjuku-ku, Tokyo 162-0041, Japan.
| | - Andante Hadi Pandyaswargo
- Environmental Research Institute, Waseda University, 1-104 Totsukamachi, Shinjuku-ku, Tokyo 169-8050, Japan.
| | - Akihisa Ogawa
- Graduate School of Environment and Energy Engineering, Waseda University, 513 Waseda Tsurumaki-cho, Shinjuku-ku, Tokyo 162-0041, Japan.
| | - Ryota Tsubouchi
- Daiei Kankyo Research Institute Co., Ltd., H1O Kanda, Kanda Higashimatsushitacho, Chiyoda-ku, Tokyo 101-0042, Japan.
| | - Hiroshi Onoda
- Graduate School of Environment and Energy Engineering, Waseda University, 513 Waseda Tsurumaki-cho, Shinjuku-ku, Tokyo 162-0041, Japan.
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Onoda H, Imamura T, Ueno H, Oshima A, Ueno Y, Ushijima R, Sobajima M, Kinugawa K. Prognostic impact of elevated erythropoietin levels in patients with severe aortic stenosis receiving trans-catheter aortic valve implantation. J Cardiol 2024; 83:149-154. [PMID: 37479082 DOI: 10.1016/j.jjcc.2023.07.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/06/2023] [Revised: 07/12/2023] [Accepted: 07/14/2023] [Indexed: 07/23/2023]
Abstract
BACKGROUND Elevated endogenous erythropoietin (EPO) levels are associated with worse clinical outcomes in patients with heart failure (HF). The clinical implication of endogenous EPO levels in patients undergoing trans-catheter aortic valve implantation (TAVI) beyond other conventional risk factors remains unknown. METHODS Consecutive patients with EPO measurements who underwent TAVI for the treatment of their severe aortic stenosis at our institute between May 2015 and December 2020 were included. The association between the endogenous EPO levels and the primary outcome consisting of all-cause mortality and HF hospitalization was evaluated. RESULTS A total of 263 patients (85.1 ± 5.1 years old, 74 men) were included and tertiled according to the baseline EPO levels. The high EPO group had more advanced anemia, renal impairment, and hypoalbuminemia than the other two tertiled groups (p < 0.05 for both). Patients with high EPO had a significantly higher cumulative incidence of the primary outcomes compared to the other two groups (p = 0.002) with an adjusted hazard ratio of 6.0 (95 % confidence interval 1.9-18.1) in its logarithmic value (p < 0.001). CONCLUSIONS Elevated baseline EPO levels were independently associated with mortality and morbidity following TAVI. The clinical implication of aggressive intervention on the elevated EPO levels in this cohort remains the next concern.
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Affiliation(s)
- Hiroshi Onoda
- The Second Department of Internal Medicine, University of Toyama, Toyama, Japan
| | - Teruhiko Imamura
- The Second Department of Internal Medicine, University of Toyama, Toyama, Japan.
| | - Hiroshi Ueno
- The Second Department of Internal Medicine, University of Toyama, Toyama, Japan
| | - Akira Oshima
- The Second Department of Internal Medicine, University of Toyama, Toyama, Japan
| | - Yohei Ueno
- The Second Department of Internal Medicine, University of Toyama, Toyama, Japan
| | - Ryuichi Ushijima
- The Second Department of Internal Medicine, University of Toyama, Toyama, Japan
| | - Mitsuo Sobajima
- The Second Department of Internal Medicine, University of Toyama, Toyama, Japan
| | - Koichiro Kinugawa
- The Second Department of Internal Medicine, University of Toyama, Toyama, Japan
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Izumida T, Imamura T, Koi T, Nakagaito M, Onoda H, Tanaka S, Ushijima R, Kataoka N, Nakamura M, Sobajima M, Fukuda N, Ueno H, Kinugawa K. Prognostic impact of residual pulmonary congestion assessed by remote dielectric sensing system in patients admitted for heart failure. ESC Heart Fail 2024. [PMID: 38356328 DOI: 10.1002/ehf2.14690] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2023] [Revised: 12/29/2023] [Accepted: 01/09/2024] [Indexed: 02/16/2024] Open
Abstract
AIMS Remote dielectric sensing (ReDS) represents a contemporary non-invasive technique reliant on electromagnetic energy to quantify pulmonary congestion. Its prognostic significance within the context of heart failure (HF) patients remains elusive. This study aimed to assess the prognostic implications of residual pulmonary congestion, as gauged by the ReDS system, among patients admitted due to congestive HF. METHODS AND RESULTS We enrolled hospitalized HF patients who underwent ReDS assessments upon admission and discharge in a blinded manner, independent of attending physicians. We evaluated the prognostic impact of the ReDS ratio between admission and discharge on the primary outcome, which encompassed all-cause mortality and HF-related re-hospitalizations. A cohort of 133 patients (median age 78 [72, 84] years, 78 male [59%]) was included. Over a median observation period of 363 days post-index discharge, an escalated ReDS group (ReDS ratio > 100%), determined through statistical calculation, emerged as an independent predictor of the primary outcome, exhibiting an adjusted hazard ratio of 4.37 (95% confidence interval 1.13-16.81, P = 0.032). The cumulative incidence of the primary outcome was notably higher in the increased ReDS group compared with the decreased ReDS group (50.1% vs. 8.5%, P = 0.034). CONCLUSIONS Elevated ReDS ratios detected during the index hospitalization could serve as a promising prognostic indicator in HF patients admitted for treatment. The clinical ramifications of ReDS-guided HF management warrant validation in subsequent studies.
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Affiliation(s)
- Toshihide Izumida
- Second Department of Internal Medicine, University of Toyama, Toyama, Japan
| | - Teruhiko Imamura
- Second Department of Internal Medicine, University of Toyama, Toyama, Japan
| | - Takatoshi Koi
- Second Department of Internal Medicine, University of Toyama, Toyama, Japan
| | - Masaki Nakagaito
- Second Department of Internal Medicine, University of Toyama, Toyama, Japan
| | - Hiroshi Onoda
- Second Department of Internal Medicine, University of Toyama, Toyama, Japan
| | - Shuhei Tanaka
- Second Department of Internal Medicine, University of Toyama, Toyama, Japan
| | - Ryuichi Ushijima
- Second Department of Internal Medicine, University of Toyama, Toyama, Japan
| | - Naoya Kataoka
- Second Department of Internal Medicine, University of Toyama, Toyama, Japan
| | - Makiko Nakamura
- Second Department of Internal Medicine, University of Toyama, Toyama, Japan
| | - Mitsuo Sobajima
- Second Department of Internal Medicine, University of Toyama, Toyama, Japan
| | - Nobuyuki Fukuda
- Second Department of Internal Medicine, University of Toyama, Toyama, Japan
| | - Hiroshi Ueno
- Second Department of Internal Medicine, University of Toyama, Toyama, Japan
| | - Koichiro Kinugawa
- Second Department of Internal Medicine, University of Toyama, Toyama, Japan
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Shibuya R, Baba K, Furuta R, Maesaka H, Hirosawa H, Bando T, Oshima A, Onoda H, Nukui T, Dougu N, Joho S, Nakatsuji Y. A Case of Liver Cancer with Overlapping Myasthenia Gravis, Myocarditis, Seronegative Autoimmune Autonomic Ganglionopathy, and Myositis Symptoms Induced by Atezolizumab: A Case Report. Intern Med 2024:1801-23. [PMID: 38171860 DOI: 10.2169/internalmedicine.1801-23] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/05/2024] Open
Abstract
An 83-year-old man with hepatocellular carcinoma developed muscle weakness, ptosis, and dyspnea 3 weeks after receiving atezolizumab. Soon after, mechanical ventilation was initiated, which was followed by marked blood pressure spikes. The levels of creatine kinase and troponin-I were significantly elevated, and acetylcholine receptor antibodies were positive. The patient was diagnosed with immune checkpoint inhibitor (ICI)-induced myositis, myasthenia gravis (MG), myocarditis, and suspected autoimmune autonomic ganglionopathy (AAG). After immunotherapy, the serum markers and blood pressure normalized, and he was weaned from the ventilator after five months. To our knowledge, this is the first reported case of AAG secondary to ICI-induced myositis, MG, and myocarditis.
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Affiliation(s)
- Ryoko Shibuya
- Department of Neurology, Faculty of Medicine, University of Toyama, Japan
| | - Kousuke Baba
- Department of Neurology, Faculty of Medicine, University of Toyama, Japan
| | - Risako Furuta
- Department of Neurology, Faculty of Medicine, University of Toyama, Japan
| | - Hiroki Maesaka
- Department of Neurology, Faculty of Medicine, University of Toyama, Japan
| | - Hiroaki Hirosawa
- Department of Neurology, Faculty of Medicine, University of Toyama, Japan
| | - Tadashi Bando
- Department of Surgery, Saiseikai Toyama Hospital, Japan
| | - Akira Oshima
- Second Department of Internal Medicine, Faculty of Medicine, University of Toyama, Japan
| | - Hiroshi Onoda
- Second Department of Internal Medicine, Faculty of Medicine, University of Toyama, Japan
| | - Takamasa Nukui
- Department of Neurology, Faculty of Medicine, University of Toyama, Japan
| | - Nobuhiro Dougu
- Department of Neurology, Faculty of Medicine, University of Toyama, Japan
| | - Shuji Joho
- Second Department of Internal Medicine, Faculty of Medicine, University of Toyama, Japan
| | - Yuji Nakatsuji
- Department of Neurology, Faculty of Medicine, University of Toyama, Japan
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Akao K, Imamura T, Tanaka S, Onoda H, Ushijima R, Sobajima M, Fukuda N, Ueno H, Kinugawa K. Prognostic Implication of Intestinal Wall Edema in Patients with Aortic Stenosis Receiving Trans-Catheter Aortic Valve Replacement. J Clin Med 2023; 12:7658. [PMID: 38137728 PMCID: PMC10744330 DOI: 10.3390/jcm12247658] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2023] [Revised: 12/07/2023] [Accepted: 12/11/2023] [Indexed: 12/24/2023] Open
Abstract
BACKGROUND A recently proposed mechanism, the intestinal-cardiovascular relationship, serves as a framework to elucidate the interplay between these two systems. In our investigation, we assessed the prognostic implications of colon wall thickness, a marker correlated with intestinal congestion and dysfunction, in patients diagnosed with severe aortic stenosis undergoing transcatheter aortic valve replacement (TAVR). METHODS Patients diagnosed with severe aortic stenosis who underwent TAVR at our institution during the period spanning 2015 to 2022 were retrospectively enrolled. As part of the institutional protocol, patients underwent abdominal computed tomography upon admission, preceding TAVR. Our analysis aimed to assess the influence of colon wall thickness on the occurrence of either all-cause mortality or readmission due to heart failure within a two-year period. RESULTS A total of 345 patients were included. The median age was 85 (82, 88) years, and 99 patients were male. Baseline colon wall thickness was distributed widely, with a median value of 2.2 (2.0, 2.5) mm. Patients with thicker colon walls tended to have lower pulmonary artery pulsatility index values, indicating more impaired right ventricular function and more advanced malnutrition. A thicker colon wall was independently associated with 2-year death or heart failure readmission with a hazard ratio of 2.02 (95% confidence interval 1.01-14.07), adjusted for hemoglobin, age, and plasma B-type natriuretic peptide levels (p = 0.049), and significantly stratified the primary endpoint at a cutoff of 2.7 mm (25% versus 10%, p = 0.005). CONCLUSIONS Our initial observation revealed that a thicker baseline colon wall correlated with increased rates of mid-term mortality and readmission due to heart failure subsequent to TAVR. Developing a comprehensive understanding of the underlying causality necessitates further in-depth investigations through subsequent studies.
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Imamura T, Izumida T, Onoda H, Tanaka S, Ushijima R, Sobajima M, Fukuda N, Ueno H, Kinugawa K. Prognostic impact of remote dielectric sensing value following TAVR. Heart Vessels 2023; 38:1468-1475. [PMID: 37524858 DOI: 10.1007/s00380-023-02294-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/17/2023] [Accepted: 07/19/2023] [Indexed: 08/02/2023]
Abstract
Remote dielectric sensing (ReDS) system non-invasively quantifies pulmonary congestion. Re-admission following trans-catheter aortic valve replacement (TAVR) remains an unsolved matter. Residual pulmonary congestion is a strong risk factor of worse clinical outcomes in patients with heart failure. ReDS system may have a prognostic impact in patients undergoing TAVR. Patients who received TAVR and ReDS measurements during index hospitalization between 2021 and 2022 were included. The prognostic impact of ReDS value on the composite endpoint of death or re-admission following index discharge was investigated. Totally, 42 patients (median 84 years, 14 men) were included. Median ReDS value at index discharge was 27% (24%, 30%) and 10 patients had ReDS values > 30%. During a median of 316 (282, 354) days following index discharge, a higher ReDS value at baseline was independently associated with the incidence of composite endpoint with an adjusted hazard ratio of 1.32 (95% confidence interval between 1.10 and 1.58) with a calculated cutoff of 30%, which significantly stratified the cumulative incidence of the composite endpoint (78% in the high ReDS group [N = 10] and 36% in the normal ReDS group [N = 32], p = 0.002). ReDS technology may be a promising tool to predict future clinical outcomes following TAVR by quantifying residual pulmonary congestion. The clinical implication of ReDS-guided aggressive intervention following TAVR remains the next concern.
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Affiliation(s)
- Teruhiko Imamura
- The Second Department of Internal Medicine, University of Toyama, 2630 Sugitani, Toyama, 930-0194, Japan.
| | - Toshihide Izumida
- The Second Department of Internal Medicine, University of Toyama, 2630 Sugitani, Toyama, 930-0194, Japan
| | - Hiroshi Onoda
- The Second Department of Internal Medicine, University of Toyama, 2630 Sugitani, Toyama, 930-0194, Japan
| | - Shuhei Tanaka
- The Second Department of Internal Medicine, University of Toyama, 2630 Sugitani, Toyama, 930-0194, Japan
| | - Ryuichi Ushijima
- The Second Department of Internal Medicine, University of Toyama, 2630 Sugitani, Toyama, 930-0194, Japan
| | - Mitsuo Sobajima
- The Second Department of Internal Medicine, University of Toyama, 2630 Sugitani, Toyama, 930-0194, Japan
| | - Nobuyuki Fukuda
- The Second Department of Internal Medicine, University of Toyama, 2630 Sugitani, Toyama, 930-0194, Japan
| | - Hiroshi Ueno
- The Second Department of Internal Medicine, University of Toyama, 2630 Sugitani, Toyama, 930-0194, Japan
| | - Koichiro Kinugawa
- The Second Department of Internal Medicine, University of Toyama, 2630 Sugitani, Toyama, 930-0194, Japan
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Akao K, Onoda H, Imamura T. Detailed association between dominant right coronary artery and acute occlusion of unprotected left main coronary artery. J Cardiol 2023; 82:429. [PMID: 37640154 DOI: 10.1016/j.jjcc.2023.08.011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/09/2023] [Revised: 06/08/2023] [Accepted: 06/27/2023] [Indexed: 08/31/2023]
Affiliation(s)
- Kousuke Akao
- Second Department of Internal Medicine, University of Toyama, Toyama, Japan
| | - Hiroshi Onoda
- Second Department of Internal Medicine, University of Toyama, Toyama, Japan
| | - Teruhiko Imamura
- Second Department of Internal Medicine, University of Toyama, Toyama, Japan.
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Imamura T, Narang N, Izumida T, Onoda H, Tanaka S, Ushijima R, Kinugawa K. Association of remote dielectric sensing and six-minute walk distance among those with severe aortic stenosis. J Cardiol 2023; 82:257-260. [PMID: 37209905 DOI: 10.1016/j.jjcc.2023.05.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/12/2023] [Revised: 04/19/2023] [Accepted: 05/02/2023] [Indexed: 05/22/2023]
Abstract
BACKGROUND Remote dielectric sensing (ReDS) is a novel non-invasive electromagnetic energy-incorporated technology to quantify lung fluid levels. The six-minute walk test is an established method to assess exercise capacity among those with a variety of chronic conditions related to heart and pulmonary diseases. We aimed to understand the association between ReDS value and six-minute walk distance (6MWD) in patients with severe aortic stenosis being evaluated for valve replacement. METHODS Patients who were hospitalized to receive trans-catheter aortic valve replacement were prospectively included and simultaneous ReDS and 6MWD measurements were performed on admission. We attempted to correlate 6MWD with ReDS value. RESULTS A total of 25 patients (median 85 years, 11 men) were included. Median 6MWD was 168 (133, 244) meters and median ReDS value was 26 % (23 %, 30 %). 6MWD displayed a moderate inverse correlation with ReDS value (r = -0.516, p = 0.008) and significantly distinguished ReDS value ≥30 %, representing mild or greater pulmonary congestion, at a cut-off of 170 m (sensitivity 0.67 and specificity 1.00). CONCLUSIONS 6MWD had a moderate inverse correlation with ReDS values among candidates for trans-catheter aortic valve replacement, indicating that patients with shorter 6MWD had increased pulmonary congestion as assessed by ReDS system.
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Affiliation(s)
- Teruhiko Imamura
- Second Department of Internal Medicine, University of Toyama, Toyama, Japan.
| | | | - Toshihide Izumida
- Second Department of Internal Medicine, University of Toyama, Toyama, Japan
| | - Hiroshi Onoda
- Second Department of Internal Medicine, University of Toyama, Toyama, Japan
| | - Shuhei Tanaka
- Second Department of Internal Medicine, University of Toyama, Toyama, Japan
| | - Ryuichi Ushijima
- Second Department of Internal Medicine, University of Toyama, Toyama, Japan
| | - Koichiro Kinugawa
- Second Department of Internal Medicine, University of Toyama, Toyama, Japan
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Akao K, Imamura T, Tanaka S, Onoda H, Ushijima R, Sobajima M, Fukuda N, Ueno H, Kinugawa K. Prognostic Impact of Modified H2FPEF Score in Patients Receiving Trans-Catheter Aortic Valve Replacement. J Clin Med 2023; 12:5396. [PMID: 37629434 PMCID: PMC10455783 DOI: 10.3390/jcm12165396] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2023] [Revised: 08/15/2023] [Accepted: 08/17/2023] [Indexed: 08/27/2023] Open
Abstract
BACKGROUND H2FPEF is a recently introduced score for the diagnosis of heart failure with preserved ejection fraction (HFpEF). Many patients with severe aortic stenosis have clinical/subclinical HFpEF and have worsening heart failure even after trans-catheter aortic valve replacement (TAVR). We investigated the prognostic impact of the H2FPEF score in TAVR candidates. METHODS Patients undergoing TAVR procedures at a single academic center between 2015 and 2022 were included. The H2FPEF score was calculated using baseline characteristics before TAVR. The prognostic impact of the score on the post-TAVR composite endpoint, consisting of all-cause death and heart failure readmissions during the 2-year observation period, was evaluated. RESULTS A total of 244 patients (median age 86 years, 70 males) were included. The median value of H2FPEF score was 3 (2, 4). The score was significantly associated with the primary outcome with a hazard ratio of 1.33 (95% confidence interval 1.02-1.74, p = 0.036). We constructed a modified H2FPEF score by adjusting cutoffs of several items for better prognostic stratification (i.e., age and body mass index). A modified score had a higher area under the curve than the original one (0.65 vs. 0.59, p = 0.028) and was independently associated with the primary outcome with an adjusted hazard ratio of 1.22 (95% confidence interval 1.01-1.49, p = 0.047). CONCLUSIONS A modified H2FPEF score, which was originally developed to diagnose the presence of HFpEF, could be used to risk-stratify elderly patients receiving TAVR. The clinical utility of this score should be validated in future studies.
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Imamura T, Narang N, Onoda H, Tanaka S, Ushijima R, Sobajima M, Fukuda N, Ueno H, Kinugawa K. Negative Prognostic Impact of Mineralocorticoid Receptor Antagonist in Elderly Patients Receiving TAVR. J Clin Med 2023; 12:3742. [PMID: 37297936 PMCID: PMC10253895 DOI: 10.3390/jcm12113742] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2023] [Revised: 05/22/2023] [Accepted: 05/26/2023] [Indexed: 06/12/2023] Open
Abstract
Background: Morbidity and mortality following trans-catheter aortic valve replacement (TAVR) remain high. Renin-angiotensin system inhibitors improve clinical outcomes in the cohort studied in this work. However, post-TAVR prognostic impact of mineralocorticoid receptor antagonist (MRA), another neuro-hormonal blocker, remains uncertain. Here, we hypothesized that MRA was associated with improved clinical outcomes in elderly patients with severe aortic stenosis receiving TAVR. METHODS Consecutive patients who received TAVR at our institute between 2015 and 2022 were considered for inclusion. Propensity score matching analysis was performed to match pre-procedural baseline characteristics between those with and without MRA. The prognostic impact of MRA use on the composite primary endpoint consisting of all-cause death and heart failure during the 2-year observational period following index discharge was evaluated. RESULTS Among 352 patients who received TAVR, 112 patients (median 86 years, 31 men) were included, consisting of baseline-matched 56 patients with MRA and 56 patients without MRA. Following TAVR, patients with MRA had more impaired renal function compared with no MRA group. Following index discharge, serum potassium tended to increase, and renal function tended to decline in patients with MRA. Patients with MRA had a higher cumulative incidence of the primary endpoints during a two-year observational period (30% versus 8%, p = 0.022). CONCLUSIONS Routine prescription of MRA might not be recommended in elderly patients with severe aortic stenosis receiving TAVR, given its negative prognostic impact. Optimal patient selection for MRA administration in this cohort needs further study.
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Affiliation(s)
- Teruhiko Imamura
- The Second Department of Internal Medicine, University of Toyama, Toyama 930-0194, Japan
| | - Nikhil Narang
- Advocate Christ Medical Center, Oak Lawn, IL 60453, USA
| | - Hiroshi Onoda
- The Second Department of Internal Medicine, University of Toyama, Toyama 930-0194, Japan
| | - Shuhei Tanaka
- The Second Department of Internal Medicine, University of Toyama, Toyama 930-0194, Japan
| | - Ryuichi Ushijima
- The Second Department of Internal Medicine, University of Toyama, Toyama 930-0194, Japan
| | - Mitsuo Sobajima
- The Second Department of Internal Medicine, University of Toyama, Toyama 930-0194, Japan
| | - Nobuyuki Fukuda
- The Second Department of Internal Medicine, University of Toyama, Toyama 930-0194, Japan
| | - Hiroshi Ueno
- The Second Department of Internal Medicine, University of Toyama, Toyama 930-0194, Japan
| | - Koichiro Kinugawa
- The Second Department of Internal Medicine, University of Toyama, Toyama 930-0194, Japan
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13
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Sobajima M, Imamura T, Fukuo A, Ueno Y, Onoda H, Ueno H, Kinugawa K. The no-flow phenomenon following drug-coated balloon angioplasty in a patient with chronic limb-threatening ischemia and a history of below-knee amputation. J Cardiol Cases 2023; 27:132-135. [PMID: 36910034 PMCID: PMC9995684 DOI: 10.1016/j.jccase.2022.12.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2022] [Revised: 10/18/2022] [Accepted: 11/28/2022] [Indexed: 03/04/2023] Open
Abstract
The endovascular treatment using a drug-coated balloon (DCB) reduces restenosis and target vessel re-vascularization rate in patients with peripheral artery disease such as claudication and chronic limb-threatening ischemia (CLTI). However, its safety and efficacy in patients with post-below-knee amputation remain unknown. We had a patient with CLTI and a history of below-knee amputation, who suffered a no-flow phenomenon following DCB angioplasty that required above-knee amputation. DCB angioplasty might not be appropriate for those with severe CLTI and histories of amputation. Learning objective The present report describes the risk of endovascular treatment using a drug-coated balloon for chronic limb-threatening ischemia patients with a below-knee amputated limb.
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Affiliation(s)
- Mituso Sobajima
- The Second Department of Internal Medicine, Graduate School of Medicine, University of Toyama, Toyama, Japan
| | - Teruhiko Imamura
- The Second Department of Internal Medicine, Graduate School of Medicine, University of Toyama, Toyama, Japan
| | - Atsuko Fukuo
- The Second Department of Internal Medicine, Graduate School of Medicine, University of Toyama, Toyama, Japan
| | - Yohei Ueno
- The Second Department of Internal Medicine, Graduate School of Medicine, University of Toyama, Toyama, Japan
| | - Hiroshi Onoda
- The Second Department of Internal Medicine, Graduate School of Medicine, University of Toyama, Toyama, Japan
| | - Hiroshi Ueno
- The Second Department of Internal Medicine, Graduate School of Medicine, University of Toyama, Toyama, Japan
| | - Koichiro Kinugawa
- The Second Department of Internal Medicine, Graduate School of Medicine, University of Toyama, Toyama, Japan
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14
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Kakeshita K, Imamura T, Onoda H, Kinugawa K. Impact of Goreisan upon aquaporin-2-incorporated aquaresis system in patients with congestive heart failure. CEN Case Rep 2023; 12:73-77. [PMID: 35895224 PMCID: PMC9892389 DOI: 10.1007/s13730-022-00723-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2022] [Accepted: 07/12/2022] [Indexed: 02/05/2023] Open
Abstract
We often encounter patients with congestive heart failure refractory to conventional diuretics therapy, and Kampo Goreisan is receiving great concern to mediate body water balance particularly for such a cohort. However, its detailed biological mechanism remains uncertain. We had two hospitalized patients with congestive heart failure receiving tolvaptan. Following the administration of Goreisan, both urine cyclic adenosine monophosphate concentration and urine aquaporin-2 concentration decreased, accompanied by incremental diluted urine volume. Although further studies are warranted to establish therapeutic strategy, Goreisan might be a promising therapeutic tool for those with congestive heart failure refractory to conventional diuretics including tolvaptan, via pleiotropic effects including suppression of aquaporin-incorporated water reabsorption system.
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Affiliation(s)
- Kota Kakeshita
- The Second Department of Internal Medicine, University of Toyama, 2630 Sugitani, Toyama, 930-0194, Japan
| | - Teruhiko Imamura
- The Second Department of Internal Medicine, University of Toyama, 2630 Sugitani, Toyama, 930-0194, Japan.
| | - Hiroshi Onoda
- The Second Department of Internal Medicine, University of Toyama, 2630 Sugitani, Toyama, 930-0194, Japan
| | - Koichiro Kinugawa
- The Second Department of Internal Medicine, University of Toyama, 2630 Sugitani, Toyama, 930-0194, Japan
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15
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Izumida T, Imamura T, Nakagaito M, Onoda H, Tanaka S, Ushijima R, Fujioka H, Kakeshita K, Kinugawa K. Association Between Remote Dielectric Sensing and Body Mass Index. Int Heart J 2023; 64:865-869. [PMID: 37778989 DOI: 10.1536/ihj.23-191] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/03/2023]
Abstract
Remote dielectric sensing (ReDS) is a non-invasive, electromagnetic energy-based technology to quantify pulmonary congestion. However, the accuracy of ReDS values in patients with a variety of physiques has not been fully validated.Prospective successive measurements of ReDS values and body mass index (BMI) were performed on admission in consecutive hospitalized patients with cardiovascular diseases. Patients were stratified into 4 groups according to the WHO classification: underweight (BMI < 18.5), normal weight (18.5 ≤ BMI < 24.9), pre-obese (25.0 ≤ BMI < 29.9), and obese (30.0 ≤ BMI). The indexed ReDS value was defined as a ReDS value divided by the modified congestion score index (the severity of pulmonary congestion on chest X-ray). The indexed ReDS values were compared among the 4 stratified groups.A total of 436 patients (76 [69, 82] years old and 254 men) were included. The median indexed ReDS values were 21.3 (19.1, 23.8), 25.7 (21.0, 29.5), 25.7 (20.3, 31.0), and 28.0 (21.1, 34.0) in underweight, normal weight, pre-obese, and obese patients, respectively, highlighting the underweight group had the lowest values (P < 0.001).ReDS values may be underestimated and specific caution should be paid in its interpretation in underweight patients.
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Affiliation(s)
| | | | | | - Hiroshi Onoda
- Second Department of Internal Medicine, University of Toyama
| | - Shuhei Tanaka
- Second Department of Internal Medicine, University of Toyama
| | | | - Hayato Fujioka
- Second Department of Internal Medicine, University of Toyama
| | - Kota Kakeshita
- Second Department of Internal Medicine, University of Toyama
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16
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Nakamura M, Imamura T, Wakakuri E, Onoda H, Ushijima R, Kinugawa K. Initial clinical experience of intravenous tolvaptan sodium phosphate in patients with congestive heart failure. J Cardiol Cases 2023; 27:176-179. [PMID: 37012920 PMCID: PMC10066404 DOI: 10.1016/j.jccase.2022.12.009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2022] [Revised: 11/12/2022] [Accepted: 12/09/2022] [Indexed: 01/09/2023] Open
Abstract
Tolvaptan sodium phosphate (Samtas®; Otsuka Pharmaceutical, Tokyo, Japan) is a newly available intravenous aquaretic diuretic (commercially available from May 2022), which acts as an arginine vasopressin V2 receptor antagonist. Thus far, optimal patient selection as well as safety and efficacy in real-world practice remain unknown. We experienced two patients with congestive heart failure treated with tolvaptan sodium phosphate. In one patient with right-sided heart failure, oral tolvaptan was converted to intravenous tolvaptan sodium phosphate, and another one with right and left-sided heart failure and impaired swallowing function received intravenous tolvaptan sodium phosphate on a de novo basis. Following the initiation of tolvaptan sodium phosphate, their congestive symptoms ameliorated immediately without any complications. Tolvaptan sodium phosphate may be safe and effective in real-world practice, although further studies are warranted to establish optimal patient selection and clinical management. Learning objective We report here an initial experience of newly-introduced intravenous tolvaptan sodium phosphate in real-world practice. The novel medication might be particularly suitable for those with severe thirst, congestive gut edema, or requiring rapid amelioration of systemic/pulmonary congestion, although further accumulating experiences are warranted to establish optimal therapeutic strategy.
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Affiliation(s)
| | - Teruhiko Imamura
- Corresponding author at: Second Department of Internal Medicine, University of Toyama, 2630 Sugitani Toyama, Toyama 930-0194, Japan.
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17
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Hori M, Imamura T, Oshima A, Onoda H, Kinugawa K. Novel Ramp Test to Optimize Pressure Setting of Adaptive Servo-Ventilation Using Non-Invasive Lung Fluid Level Quantification. Am J Case Rep 2022; 23:e935086. [PMID: 35839152 PMCID: PMC9295190 DOI: 10.12659/ajcr.935086] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022] Open
Abstract
BACKGROUND Optimal patient selection and device pressure settings are key to successful adaptive servo-ventilation therapy, but there is no established strategy thus far. Adaptive servo-ventilation therapy at an inappropriately high pressure setting for those without pulmonary congestion decreases cardiac output and worsens clinical outcomes. The remote dielectric sensing system (ReDS) is a novel noninvasive tool to estimate the lung fluid amount. The ReDS might be a promising tool for successful adaptive servo-ventilation therapy if appropriately utilized for optimal patient selection and device pressure setting. CASE REPORT An 83-year-old woman was admitted to our hospital to treat acute decompensated heart failure with preserved ejection fraction that was refractory to conventional medical therapy. Following the confirmation that she had significant pulmonary congestion with 47% of the ReDS value (normal range, 20-35%), we performed a "ramp test" to optimize device pressure, by measuring ReDS values and noninvasively estimating the cardiac output and stroke volume at each pressure setting. The device pressure setting was finally determined to minimize pulmonary congestion and maximize cardiac output. Following the continuous adaptive servo-ventilation therapy with the optimized pressure setting, the patient's hospitalization was uneventful and she was discharged. CONCLUSIONS We propose performing a ramp test to optimize the pressure setting of adaptive servo-ventilation by utilizing ReDS technology for each patient, instead of using a default or inappropriately higher pressure setting. However, further studies including large patient populations are warranted to validate the prognostic implication of this customized ramp test protocol.
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Affiliation(s)
- Masakau Hori
- Second Department of Internal Medicine, University of Toyama, Toyama, Japan
| | - Teruhiko Imamura
- Second Department of Internal Medicine, University of Toyama, Toyama, Japan
| | - Akira Oshima
- Second Department of Internal Medicine, University of Toyama, Toyama, Japan
| | - Hiroshi Onoda
- Second Department of Internal Medicine, University of Toyama, Toyama, Japan
| | - Koichiro Kinugawa
- Second Department of Internal Medicine, University of Toyama, Toyama, Japan
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18
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Oshima A, Imamura T, Tanaka S, Onoda H, Ushijima R, Sobajima M, Fukuda N, Ueno H, Kinugawa K. Prognostic implication of pulmonary artery pulsatility index before transcatheter aortic valve replacement. Cardiovasc Diagn Ther 2022; 12:188-195. [PMID: 35433347 PMCID: PMC9011094 DOI: 10.21037/cdt-21-682] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2021] [Accepted: 01/30/2022] [Indexed: 03/05/2024]
Abstract
Background Pulmonary artery pulsatility index (PAPI) is a recently proposed hemodynamic index that is associated with right ventricular function independently on volume status. However, its clinical implication in patients receiving transcatheter aortic valve replacement (TAVR) remains uninvestigated. Baseline PAPI might be a promising index that stratify patients' clinical outcomes following TAVR. Methods In this retrospective cohort study, patients with severe aortic stenosis who received TAVR and completed baseline invasive hemodynamic assessments using right heart catheterization were included. The impact of baseline PAPI on the 2-year incidence of heart failure re-hospitalizations following TAVR was investigated. Results A total of 227 patients (median 86 years old, 29% men) were included. Median baseline PAPI was 3.6 (2.6, 5.5). PAPI was an independent predictor of the primary endpoint with adjusted hazard ratio of 7.01 (95% confidence interval: 2.08-23.2, P=0.008) with a cutoff of 2.1, which significantly stratified the 2-year cumulative incidence of primary endpoint (lower PAPI 21% versus high PAPI 5%, P=0.003). Conclusions Baseline impaired right ventricular function, indicated by lower PAPI below 2.1, was associated with the occurrence of heart failure following TAVR. Further studies are warranted to clarify the mechanism underlying on our findings and the prognostic implication of aggressive intervention to improve PAPI.
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Affiliation(s)
| | | | - Shuhei Tanaka
- The Second Department of Internal Medicine, University of Toyama, Toyama, Japan
| | - Hiroshi Onoda
- The Second Department of Internal Medicine, University of Toyama, Toyama, Japan
| | - Ryuichi Ushijima
- The Second Department of Internal Medicine, University of Toyama, Toyama, Japan
| | - Mitsuo Sobajima
- The Second Department of Internal Medicine, University of Toyama, Toyama, Japan
| | - Nobuyuki Fukuda
- The Second Department of Internal Medicine, University of Toyama, Toyama, Japan
| | - Hiroshi Ueno
- The Second Department of Internal Medicine, University of Toyama, Toyama, Japan
| | - Koichiro Kinugawa
- The Second Department of Internal Medicine, University of Toyama, Toyama, Japan
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19
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Imamura T, Oshima A, Onoda H, Tanaka S, Ushijima R, Sobajima M, Fukuda N, Ueno H, Kinugawa K. Clinical implications of troponin-T elevations following TAVR. Eur Heart J 2022. [DOI: 10.1093/eurheartj/ehab849.104] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Abstract
Funding Acknowledgements
Type of funding sources: None.
Background
Baseline and post-procedural elevations in serum troponin-T levels are associated with increased morbidity and mortality following transcatheter aortic valve replacement (TAVR). However, the prognostic impact of change in serum troponin-T level following TAVR remains unknown.
Methods
Among the patients with severe aortic stenosis who underwent TAVR, those with baseline serum troponin-T level ≥51.5 ng/L were excluded. The impact of increases in serum troponin-T level to an abnormally high range (≥51.5 ng/L) following TAVR on 2-year cardiovascular death or heart failure readmissions was investigated.
Results
Among 189 included patients (median 86 years old, 28% men), serum troponin-T level increased in 79 patients following TAVR. An increase in serum troponin-T was associated with a higher rate of 30-day adverse events, predominantly due to pacemaker implantation for complete atrio-ventricular block, and a higher 2-year cumulative incidence of the primary endpoint (hazard ratio 3.97, 95% confidence interval 1.51-10.4, p = 0.005) adjusted for the use of balloon-expandable valve and post-TAVR pacemaker implantation (Figure 1).
Conclusion
Post-procedural increase in serum troponin-T level was associated with adverse clinical outcomes following TAVR. Abstract Figure. Cumulative incidence of endpoint
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Affiliation(s)
| | - A Oshima
- University of Toyama, Toyama, Japan
| | - H Onoda
- University of Toyama, Toyama, Japan
| | - S Tanaka
- University of Toyama, Toyama, Japan
| | | | | | - N Fukuda
- University of Toyama, Toyama, Japan
| | - H Ueno
- University of Toyama, Toyama, Japan
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20
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Sobajima M, Imamura T, Ueno Y, Onoda H, Tanaka S, Ushijima R, Fukuda N, Ueno H, Kinugawa K. Cardio-Ankle Vascular Index and Heart Failure Hospitalization in Patients With Aortic Stenosis Following Transcatheter Aortic Valve Implantation. Circ Rep 2022; 4:92-98. [PMID: 35178485 PMCID: PMC8811227 DOI: 10.1253/circrep.cr-22-0004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2022] [Accepted: 01/13/2022] [Indexed: 11/10/2022] Open
Abstract
Background:
The cardio-ankle vascular index (CAVI) is associated with the severity of vascular stiffness and heart failure (HF). However, little is known about CAVI in aortic stenosis (AS) patients, probably because of the difficulty of accurately measuring CAVI in these patients owing to their slow-rising pulse. In this study, we investigated the prevalence and prognostic impact of abnormally elevated CAVI measured after transcatheter aortic valve implantation (TAVI). Methods and Results:
Among patients with AS who underwent TAVI, those with bilateral peripheral artery disease, atrial fibrillation, and systolic HF were excluded. The effect of post-TAVI elevated CAVI (defined as ≥9.0) on HF readmission after the index discharge was investigated. In all, 149 patients (mean [±SD] age 84.8±5.6 years, 24.2% men, mean [±SD] post-TAVI CAVI 9.6±1.4) were included in the study. There was no significant difference in baseline characteristics between groups with and without elevated CAVI, except for lower high-density lipoprotein cholesterol (HDL-C) and a higher prevalence of HF history in the group with elevated CAVI (P<0.05 for both). Post-TAVI elevated CAVI (n=102) was associated with lower freedom from HF recurrence during the observational period (89.1% vs. 100%; median 726 days [interquartile range 329–1,104 days]; P<0.05). Moreover, CAVI was an independent predictor of HF occurrence (hazard ratio 1.62; 95% confidence interval 1.07–2.46; P=0.022). Conclusions:
Elevated CAVI was associated with HF occurrence before and after TAVI.
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Affiliation(s)
- Mitsuo Sobajima
- Second Department of Internal Medicine, Graduate School of Medicine, University of Toyama
| | - Teruhiko Imamura
- Second Department of Internal Medicine, Graduate School of Medicine, University of Toyama
| | - Yohei Ueno
- Second Department of Internal Medicine, Graduate School of Medicine, University of Toyama
| | - Hiroshi Onoda
- Second Department of Internal Medicine, Graduate School of Medicine, University of Toyama
| | - Shuhei Tanaka
- Second Department of Internal Medicine, Graduate School of Medicine, University of Toyama
| | - Ryuichi Ushijima
- Second Department of Internal Medicine, Graduate School of Medicine, University of Toyama
| | - Nobuyuki Fukuda
- Second Department of Internal Medicine, Graduate School of Medicine, University of Toyama
| | - Hiroshi Ueno
- Second Department of Internal Medicine, Graduate School of Medicine, University of Toyama
| | - Koichiro Kinugawa
- Second Department of Internal Medicine, Graduate School of Medicine, University of Toyama
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Hori M, Imamura T, Fukuo A, Fukui T, Koi T, Ueno Y, Onoda H, Tanaka S, Ushijima R, Sobajima M, Fukuda N, Ueno H, Kinugawa K. Validation of Inter-Rater and Intra-Rater Reliability of Remote Dielectric Sensing Measurement. Int Heart J 2022; 63:73-76. [DOI: 10.1536/ihj.21-663] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Affiliation(s)
| | | | - Atsuko Fukuo
- Second Department of Medicine, University of Toyama
| | - Takuya Fukui
- Second Department of Medicine, University of Toyama
| | | | - Yohei Ueno
- Second Department of Medicine, University of Toyama
| | | | | | | | | | | | - Hiroshi Ueno
- Second Department of Medicine, University of Toyama
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22
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Imamura T, Hori M, Koi T, Fukui T, Oshima A, Fujioka H, Ueno Y, Onoda H, Tanaka S, Fukuda N, Ueno H, Kinugawa K. Relationship Between Body Posture and Lung Fluid Volume Assessed Using a Novel Noninvasive Remote Dielectric Sensing System. Circ Rep 2022; 4:25-28. [PMID: 35083385 PMCID: PMC8710642 DOI: 10.1253/circrep.cr-21-0130] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2021] [Revised: 11/09/2021] [Accepted: 11/12/2021] [Indexed: 11/23/2022] Open
Abstract
Background:
The relationship between body posture and lung fluid level has not been quantified thus far. Remote dielectric sensing (ReDSTM) is a recently introduced non-invasive electromagnetic-based technology to quantify lung fluid percentage. Methods and Results:
ReDS values were measured at different body postures (i.e., sitting, supine, and supine with legs elevated) in a healthy volunteer cohort (n=16; median age 39 years, 69% men, median [interquartile range {IQR}] body mass index 23.3 kg/m2
[21.0–26.2 kg/m2]). In the sitting position, the median ReDS value was 27% (IQR 25–29%). The ReDS value increased significantly in the supine position (median 28%; IQR 27–30%; P=0.009), and increased further upon leg elevation (median 29%; IQR 28–32%; P=0.001). Conclusions:
In this proof-of-concept study, the relationship between body posture and lung fluid level was quantitatively validated in a healthy cohort.
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Affiliation(s)
| | - Masakazu Hori
- Second Department of Internal Medicine, Toyama University
| | - Takatoshi Koi
- Second Department of Internal Medicine, Toyama University
| | - Takuya Fukui
- Second Department of Internal Medicine, Toyama University
| | - Akira Oshima
- Second Department of Internal Medicine, Toyama University
| | - Hayato Fujioka
- Second Department of Internal Medicine, Toyama University
| | - Yohei Ueno
- Second Department of Internal Medicine, Toyama University
| | - Hiroshi Onoda
- Second Department of Internal Medicine, Toyama University
| | - Shuhei Tanaka
- Second Department of Internal Medicine, Toyama University
| | | | - Hiroshi Ueno
- Second Department of Internal Medicine, Toyama University
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23
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Ueno Y, Imamura T, Oshima A, Onoda H, Ushijima R, Sobajima M, Fukuda N, Ueno H, Kinugawa K. Clinical Implications of Changes in Respiratory Instability Following Transcatheter Aortic Valve Replacement. J Clin Med 2022; 11:jcm11010280. [PMID: 35012019 PMCID: PMC8745862 DOI: 10.3390/jcm11010280] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2021] [Revised: 12/20/2021] [Accepted: 01/04/2022] [Indexed: 12/10/2022] Open
Abstract
BACKGROUND Respiratory instability, which can be quantified using respiratory stability time (RST), is associated with the severity and prognostic impact of the disease in patients with chronic heart failure. However, its clinical implications in patients with severe aortic stenosis receiving transcatheter aortic valve replacement (TAVR) remain unknown. METHODS Patients who received TAVR and had paired measurements of RST at a baseline and one week following TAVR were prospectively included. Changes in RST following TAVR and its impact on post-TAVR heart failure readmissions were investigated. RESULTS Seventy-one patients (median age, 86 years old; 35% men) were included. The baseline RST was correlated with the severity of heart failure including elevated levels of plasma B-type natriuretic peptide (p < 0.05 for all). RST improved significantly following TAVR from 34 (26, 37) s to 36 (33, 38) s (p < 0.001). Post-TAVR lower RST (<33 s, n = 18) was associated with a higher 2-year cumulative incidence of heart failure readmission (21% vs. 8%, p = 0.039) with a hazard ratio of 5.47 (95% confidence interval 0.90-33.2). CONCLUSION Overall, respiratory instability improved following TAVR. Persistent respiratory instability following TAVR was associated with heart failure recurrence.
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24
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Imamura T, Gonoi W, Hori M, Ueno Y, Narang N, Onoda H, Tanaka S, Nakamura M, Kataoka N, Ushijima R, Sobajima M, Fukuda N, Ueno H, Kinugawa K. Validation of Noninvasive Remote Dielectric Sensing System to Quantify Lung Fluid Levels. J Clin Med 2021; 11:jcm11010164. [PMID: 35011905 PMCID: PMC8745965 DOI: 10.3390/jcm11010164] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2021] [Revised: 12/28/2021] [Accepted: 12/28/2021] [Indexed: 01/10/2023] Open
Abstract
Background: The accuracy of the remote dielectric sensing (ReDSTM) system, which is a noninvasive electromagnetic-based technology to quantify lung fluid levels, particularly among those with small body size, remains uncertain. Methods: Hospitalized patients with and without heart failure underwent assessment of lung fluid levels with ReDS and successive chest computed tomography imaging. We performed a correlation analysis of the ReDS measurement, representing lung fluid levels, and computed tomography-derived high attenuation area percentage, which also provides a spatial quantification of lung fluid level. Results: A total of 46 patients (median 76 years old, 28 men), including 28 patients with heart failure, were included. The median ReDS value was 28% (interquartile: 23%, 33%), and the median percentage of high attenuation area was 21.6% (14.4%, 28.5%). ReDS values and percentage of high attenuation area were moderately correlated (r = 0.65, p < 0.001), irrespective of the existence of heart failure. ReDS value independently predicted the percentage of high attenuation area seen on computed tomography (p < 0.001). Conclusions: The ReDS system may be a promising, noninvasive tool to quantify fluid lung levels, as validated by comparison with chest computed tomography imaging. Further studies are warranted to validate the utility and applicability of this technology to a variety of clinical scenarios.
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Affiliation(s)
- Teruhiko Imamura
- Second Department of Internal Medicine, University of Toyama, Toyama 9300194, Japan; (M.H.); (Y.U.); (H.O.); (S.T.); (M.N.); (N.K.); (R.U.); (M.S.); (N.F.); (H.U.); (K.K.)
- Correspondence: ; Tel.: +81-76-434-2281; Fax: +81-76-434-5026
| | - Wataru Gonoi
- Department of Radiology, Graduate School of Medicine, University of Tokyo, Tokyo 1138654, Japan;
| | - Masakazu Hori
- Second Department of Internal Medicine, University of Toyama, Toyama 9300194, Japan; (M.H.); (Y.U.); (H.O.); (S.T.); (M.N.); (N.K.); (R.U.); (M.S.); (N.F.); (H.U.); (K.K.)
| | - Yohei Ueno
- Second Department of Internal Medicine, University of Toyama, Toyama 9300194, Japan; (M.H.); (Y.U.); (H.O.); (S.T.); (M.N.); (N.K.); (R.U.); (M.S.); (N.F.); (H.U.); (K.K.)
| | - Nikhil Narang
- Advocate Christ Medical Center, Oak Lawn, IL 60453, USA;
| | - Hiroshi Onoda
- Second Department of Internal Medicine, University of Toyama, Toyama 9300194, Japan; (M.H.); (Y.U.); (H.O.); (S.T.); (M.N.); (N.K.); (R.U.); (M.S.); (N.F.); (H.U.); (K.K.)
| | - Shuhei Tanaka
- Second Department of Internal Medicine, University of Toyama, Toyama 9300194, Japan; (M.H.); (Y.U.); (H.O.); (S.T.); (M.N.); (N.K.); (R.U.); (M.S.); (N.F.); (H.U.); (K.K.)
| | - Makiko Nakamura
- Second Department of Internal Medicine, University of Toyama, Toyama 9300194, Japan; (M.H.); (Y.U.); (H.O.); (S.T.); (M.N.); (N.K.); (R.U.); (M.S.); (N.F.); (H.U.); (K.K.)
| | - Naoya Kataoka
- Second Department of Internal Medicine, University of Toyama, Toyama 9300194, Japan; (M.H.); (Y.U.); (H.O.); (S.T.); (M.N.); (N.K.); (R.U.); (M.S.); (N.F.); (H.U.); (K.K.)
| | - Ryuichi Ushijima
- Second Department of Internal Medicine, University of Toyama, Toyama 9300194, Japan; (M.H.); (Y.U.); (H.O.); (S.T.); (M.N.); (N.K.); (R.U.); (M.S.); (N.F.); (H.U.); (K.K.)
| | - Mitsuo Sobajima
- Second Department of Internal Medicine, University of Toyama, Toyama 9300194, Japan; (M.H.); (Y.U.); (H.O.); (S.T.); (M.N.); (N.K.); (R.U.); (M.S.); (N.F.); (H.U.); (K.K.)
| | - Nobuyuki Fukuda
- Second Department of Internal Medicine, University of Toyama, Toyama 9300194, Japan; (M.H.); (Y.U.); (H.O.); (S.T.); (M.N.); (N.K.); (R.U.); (M.S.); (N.F.); (H.U.); (K.K.)
| | - Hiroshi Ueno
- Second Department of Internal Medicine, University of Toyama, Toyama 9300194, Japan; (M.H.); (Y.U.); (H.O.); (S.T.); (M.N.); (N.K.); (R.U.); (M.S.); (N.F.); (H.U.); (K.K.)
| | - Koichiro Kinugawa
- Second Department of Internal Medicine, University of Toyama, Toyama 9300194, Japan; (M.H.); (Y.U.); (H.O.); (S.T.); (M.N.); (N.K.); (R.U.); (M.S.); (N.F.); (H.U.); (K.K.)
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Imamura T, Narang N, Onoda H, Tanaka S, Ushijima R, Sobajima M, Fukuda N, Ueno H, Kinugawa K. Prognostic Implications of a Modified Seattle Heart Failure Model Score Following Transcatheter Aortic Valve Replacement. J Clin Med 2021; 10:jcm10245807. [PMID: 34945103 PMCID: PMC8709098 DOI: 10.3390/jcm10245807] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2021] [Revised: 12/08/2021] [Accepted: 12/10/2021] [Indexed: 11/18/2022] Open
Abstract
Background: The Seattle heart failure model (SHFM) score is a well-known risk predictor of mortality in patients with heart failure. We validated this score in patients receiving transcatheter aortic valve replacement (TAVR) and aimed to generate further risk discrimination by adding invasive hemodynamics parameters. Methods: Patients who underwent TAVR at our institute between 2015 and 2020 were included and followed for 2 years from index discharge. Patients were randomly assigned to the derivation cohort or the validation cohort. In the derivation cohort, the original SHFM score was modified by adding baseline hemodynamics parameters to evaluate the primary outcomes: 2-year incidence of mortality or readmission from heart failure. The model performance of the modified SHFM score was evaluated in the validation cohort. Results: A total of 217 patients (median age: 86 (83, 88) years old, 64 (29%) men) were included. From the derivation cohort (N = 108), a novel modified SHFM score was constructed: 6 × (original SHFM score < 88.1%) + 5 × (pulmonary capillary wedge pressure > 14 mmHg) + 4 × (cardiac index < 2.26 L/min/m2), which had an improved discrimination compared with the original model (area under the curve: 0.887 vs. 0.679, p = 0.014). In the validation cohort (N = 109), the modified SHFM score showed accurate predictive discrimination of the 2-year cumulative incidence of the primary endpoint into three groups (a low score group with 0–5 points, 3%; an intermediate score group with 6–10 points, 12%; and a high score group with 11–15 points, 43%, p < 0.001). Conclusion: A modified SHFM score consisting of the original SHFM score and invasive hemodynamics parameters predicted mortality and morbidity following TAVR. Evaluation of the external validity of this score in other cohorts needs further investigation.
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Affiliation(s)
- Teruhiko Imamura
- The Second Department of Internal Medicine, University of Toyama, Toyama 9300194, Japan; (H.O.); (S.T.); (R.U.); (M.S.); (N.F.); (H.U.); (K.K.)
- Correspondence: ; Tel.: +81-76-434-2246; Fax: +81-76-434-5026
| | - Nikhil Narang
- Advocate Christ Medical Center, Oak Lawn, IL 60453, USA;
| | - Hiroshi Onoda
- The Second Department of Internal Medicine, University of Toyama, Toyama 9300194, Japan; (H.O.); (S.T.); (R.U.); (M.S.); (N.F.); (H.U.); (K.K.)
| | - Shuhei Tanaka
- The Second Department of Internal Medicine, University of Toyama, Toyama 9300194, Japan; (H.O.); (S.T.); (R.U.); (M.S.); (N.F.); (H.U.); (K.K.)
| | - Ryuichi Ushijima
- The Second Department of Internal Medicine, University of Toyama, Toyama 9300194, Japan; (H.O.); (S.T.); (R.U.); (M.S.); (N.F.); (H.U.); (K.K.)
| | - Mitsuo Sobajima
- The Second Department of Internal Medicine, University of Toyama, Toyama 9300194, Japan; (H.O.); (S.T.); (R.U.); (M.S.); (N.F.); (H.U.); (K.K.)
| | - Nobuyuki Fukuda
- The Second Department of Internal Medicine, University of Toyama, Toyama 9300194, Japan; (H.O.); (S.T.); (R.U.); (M.S.); (N.F.); (H.U.); (K.K.)
| | - Hiroshi Ueno
- The Second Department of Internal Medicine, University of Toyama, Toyama 9300194, Japan; (H.O.); (S.T.); (R.U.); (M.S.); (N.F.); (H.U.); (K.K.)
| | - Koichiro Kinugawa
- The Second Department of Internal Medicine, University of Toyama, Toyama 9300194, Japan; (H.O.); (S.T.); (R.U.); (M.S.); (N.F.); (H.U.); (K.K.)
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Imamura T, Narang N, Onoda H, Tanaka S, Ushijima R, Sobajima M, Fukuda N, Ueno H, Kinugawa K. Implications of Elevated Fibrosis-4 Index in Patients Receiving Trans-Catheter Aortic Valve Replacement. J Clin Med 2021; 10:jcm10245778. [PMID: 34945074 PMCID: PMC8705603 DOI: 10.3390/jcm10245778] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2021] [Revised: 12/01/2021] [Accepted: 12/03/2021] [Indexed: 11/16/2022] Open
Abstract
BACKGROUND The prognostic implication of the fibrosis-4 index, which represents the degree of hepatic injury, on patients receiving trans-catheter aortic valve replacement (TAVR) remains unknown. METHODS Patients who underwent TAVR to treat severe aortic stenosis at our institute between 2015 and 2020 were included in this retrospective study and followed for 2 years from the index discharge. The impact of the fibrosis-4 index, which was calculated using age, hepatic enzymes, and platelet count, on 2-year heart failure readmissions was investigated. RESULTS A total of 272 patients (median age 85 (82, 88) years old, 76 (28%) men) were included. The median baseline fibrosis-4 index was 2.8 (2.2, 3.7). A high fibrosis-4 index (>3.79) was associated with higher cumulative incidence of the primary endpoint (18% versus 4%, p < 0.001) and higher event rates (0.1041 versus 0.0222 events/year, p < 0.001), with an adjusted hazard ratio of 1.27 (95% confidence interval 1.04-1.54, p = 0.019). CONCLUSION an elevated fibrosis-4 index at baseline, indicating the existence of persistent hepatic congestion, was associated with incidences of heart failure following TAVR. Calculating the fibrosis-4 index before TAVR is highly encouraged for risk stratification and shared decision making.
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Affiliation(s)
- Teruhiko Imamura
- The Second Department of Internal Medicine, University of Toyama, Toyama 930-0194, Japan; (H.O.); (S.T.); (R.U.); (M.S.); (N.F.); (H.U.); (K.K.)
- Correspondence: ; Tel.: +81-76-434-2246; Fax: +81-76-434-5026
| | - Nikhil Narang
- Advocate Christ Medical Center, Chicago, IL 60453, USA;
| | - Hiroshi Onoda
- The Second Department of Internal Medicine, University of Toyama, Toyama 930-0194, Japan; (H.O.); (S.T.); (R.U.); (M.S.); (N.F.); (H.U.); (K.K.)
| | - Shuhei Tanaka
- The Second Department of Internal Medicine, University of Toyama, Toyama 930-0194, Japan; (H.O.); (S.T.); (R.U.); (M.S.); (N.F.); (H.U.); (K.K.)
| | - Ryuichi Ushijima
- The Second Department of Internal Medicine, University of Toyama, Toyama 930-0194, Japan; (H.O.); (S.T.); (R.U.); (M.S.); (N.F.); (H.U.); (K.K.)
| | - Mitsuo Sobajima
- The Second Department of Internal Medicine, University of Toyama, Toyama 930-0194, Japan; (H.O.); (S.T.); (R.U.); (M.S.); (N.F.); (H.U.); (K.K.)
| | - Nobuyuki Fukuda
- The Second Department of Internal Medicine, University of Toyama, Toyama 930-0194, Japan; (H.O.); (S.T.); (R.U.); (M.S.); (N.F.); (H.U.); (K.K.)
| | - Hiroshi Ueno
- The Second Department of Internal Medicine, University of Toyama, Toyama 930-0194, Japan; (H.O.); (S.T.); (R.U.); (M.S.); (N.F.); (H.U.); (K.K.)
| | - Koichiro Kinugawa
- The Second Department of Internal Medicine, University of Toyama, Toyama 930-0194, Japan; (H.O.); (S.T.); (R.U.); (M.S.); (N.F.); (H.U.); (K.K.)
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Abstract
Ivabradine, which reduces heart rate (HR) without affecting sympathetic nerve activity, improves mortality and morbidity in patients with systolic dysfunction. However, its impact on up-titrating a concomitant beta-blocker dose in such a cohort, via increasing cardiac output and blood pressure and improving tolerability to beta-blockers, remains unknown. In this single-center, prospective, randomized control trial, patients with systolic dysfunction, defined as left ventricular ejection fraction < 50%, sinus rhythm, heart rate > 75 bpm, systolic blood pressure between 90 and 110 mmHg, and New York Heart Association functional class III or IV, who are refractory to up-titration of a beta-blocker due to symptomatic hypotension, dizziness, or worsening heart failure, were assigned to the 20 ivabradine arm or the 20 conventional therapy arm and followed-up for 6 months. The primary outcome is the daily dose of beta-blocker at 6-months follow-up. The secondary outcomes are echocardiographic parameters including overlap between E-wave and A-wave in transmitral diastolic filling flow, plasma B-type natriuretic peptide level, 6-minute walk distance, and heart failure readmission rate. By conducting this study, we hope to demonstrate the clinical benefit of ivabradine therapy in up-titrating beta-blockers and improving clinical outcomes in patients with systolic dysfunction.
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Affiliation(s)
| | - Hiroshi Onoda
- Second Department of Internal Medicine, University of Toyama
| | - Keisuke Uchida
- Second Department of Internal Medicine, University of Toyama
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Hori M, Imamura T, Kataoka N, Nakamura M, Tanaka S, Onoda H, Ushijima R, Sobajima M, Fukuda N, Ueno H, Joho S, Kinugawa K. Urinary Isoxanthopterin in Heart Failure Patients. Circ Rep 2021; 3:654-659. [PMID: 34805605 PMCID: PMC8578125 DOI: 10.1253/circrep.cr-21-0112] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2021] [Revised: 09/02/2021] [Accepted: 09/04/2021] [Indexed: 11/09/2022] Open
Abstract
Background: The prognostic impact of urinary isoxanthopterin (U-IXP), a recently proposed marker of oxidative stress, in patients with heart failure remains unknown. Methods and Results: Patients who were admitted to our institute for decompensated heart failure were prospectively included in the study; U-IXP was measured on admission. The association between the U-IXP concentration and a composite primary outcome that included cardiovascular death and heart failure readmissions following the index discharge was investigated. In all, 42 patients (median age 78 years [interquartile range {IQR} 69-85 years]; 25 males) were included in the study. The median U-IXP concentration on admission was 0.58 μmol/g creatinine (Cre; IQR 0.35-0.95 μmol/g Cre). A higher U-IXP concentration was an independent predictor of the primary outcome adjusted for clinical potential confounders and was associated with a significantly higher cumulative incidence of the primary outcome (71% vs. 16%, P=0.001) at a cut-off of 0.93 μmol/g Cre. Conclusions: U-IXP on admission was associated with cardiovascular death or heart failure readmission following the index discharge in patients with decompensated heart failure. The clinical implication of aggressive interventions to normalize U-IXP and the detailed prognostic mechanism of U-IXP in heart failure patients remain the next concerns.
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Affiliation(s)
- Masakazu Hori
- Second Department of Internal Medicine, University of Toyama Toyama Japan
| | - Teruhiko Imamura
- Second Department of Internal Medicine, University of Toyama Toyama Japan
| | - Naoya Kataoka
- Second Department of Internal Medicine, University of Toyama Toyama Japan
| | - Makiko Nakamura
- Second Department of Internal Medicine, University of Toyama Toyama Japan
| | - Shuhei Tanaka
- Second Department of Internal Medicine, University of Toyama Toyama Japan
| | - Hiroshi Onoda
- Second Department of Internal Medicine, University of Toyama Toyama Japan
| | - Ryuichi Ushijima
- Second Department of Internal Medicine, University of Toyama Toyama Japan
| | - Mitsuo Sobajima
- Second Department of Internal Medicine, University of Toyama Toyama Japan
| | - Nobuyuki Fukuda
- Second Department of Internal Medicine, University of Toyama Toyama Japan
| | - Hiroshi Ueno
- Second Department of Internal Medicine, University of Toyama Toyama Japan
| | - Shuji Joho
- Second Department of Internal Medicine, University of Toyama Toyama Japan
| | - Koichiro Kinugawa
- Second Department of Internal Medicine, University of Toyama Toyama Japan
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Oshima A, Imamura T, Onoda H, Hori M, Kinugawa K. A novel therapeutic strategy: remote dielectric sensing-guided management of pulmonary congestion. J Cardiol Cases 2021; 25:269-271. [DOI: 10.1016/j.jccase.2021.10.009] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2021] [Revised: 10/21/2021] [Accepted: 10/27/2021] [Indexed: 11/28/2022] Open
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Hori M, Imamura T, Narang N, Onoda H, Tanaka S, Ushijima R, Sobajima M, Fukuda N, Ueno H, Kinugawa K. Triglyceride and Small Dense LDL-Cholesterol in Patients with Acute Coronary Syndrome. J Clin Med 2021; 10:jcm10194607. [PMID: 34640624 PMCID: PMC8509760 DOI: 10.3390/jcm10194607] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2021] [Revised: 09/29/2021] [Accepted: 10/05/2021] [Indexed: 11/16/2022] Open
Abstract
BACKGROUND Small dense LDL-cholesterol is an established risk factor for atherosclerosis but is not routinely measured in daily practice. The association between small dense LDL-cholesterol and triglyceride, which in turn is routinely measured, in patients with acute coronary syndrome remains unknown. METHODS Consecutive patients with acute coronary syndrome who were admitted to our institute were prospectively included, and serum samples were obtained on admission. The association between small dense LDL-cholesterol and triglyceride was investigated. RESULTS Among 55 patients (median 71 years old, 64% men), median (interquartile range) small dense LDL-cholesterol was 23.6 (17.0, 36.0) and triglyceride was 101 (60, 134) mg/dL. Triglyceride level correlated with small dense LDL-cholesterol (r = 0.67, p < 0.001) and was an independent determinant of small dense LDL-cholesterol together with body mass index (p = 0.010 and p = 0.008, respectively). Those with high triglyceride and high body mass index had a 3-fold level of small dense LDL-cholesterol compared with those with low triglyceride and low body mass index (45.8 [35.0, 54.0] mg/dL versus 15.0 [11.6, 23.7] mg/dL, p = 0.001). CONCLUSIONS Triglyceride level was a major determinant of small dense LDL-cholesterol in patients with acute coronary syndrome. Triglyceride level might be a useful and practical biomarker for risk stratification for patients with acute coronary syndrome together with body mass index.
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Affiliation(s)
- Masakazu Hori
- The Second Department of Internal Medicine, University of Toyama, Toyama 9300072, Japan; (M.H.); (H.O.); (S.T.); (R.U.); (M.S.); (N.F.); (H.U.); (K.K.)
| | - Teruhiko Imamura
- The Second Department of Internal Medicine, University of Toyama, Toyama 9300072, Japan; (M.H.); (H.O.); (S.T.); (R.U.); (M.S.); (N.F.); (H.U.); (K.K.)
- Correspondence: ; Tel.: +81-76-434-2246; Fax: +81-76-434-5026
| | - Nikhil Narang
- Advocate Christ Medical Center, Oak Lawn, IL 60453, USA;
| | - Hiroshi Onoda
- The Second Department of Internal Medicine, University of Toyama, Toyama 9300072, Japan; (M.H.); (H.O.); (S.T.); (R.U.); (M.S.); (N.F.); (H.U.); (K.K.)
| | - Shuhei Tanaka
- The Second Department of Internal Medicine, University of Toyama, Toyama 9300072, Japan; (M.H.); (H.O.); (S.T.); (R.U.); (M.S.); (N.F.); (H.U.); (K.K.)
| | - Ryuichi Ushijima
- The Second Department of Internal Medicine, University of Toyama, Toyama 9300072, Japan; (M.H.); (H.O.); (S.T.); (R.U.); (M.S.); (N.F.); (H.U.); (K.K.)
| | - Mitsuo Sobajima
- The Second Department of Internal Medicine, University of Toyama, Toyama 9300072, Japan; (M.H.); (H.O.); (S.T.); (R.U.); (M.S.); (N.F.); (H.U.); (K.K.)
| | - Nobuyuki Fukuda
- The Second Department of Internal Medicine, University of Toyama, Toyama 9300072, Japan; (M.H.); (H.O.); (S.T.); (R.U.); (M.S.); (N.F.); (H.U.); (K.K.)
| | - Hiroshi Ueno
- The Second Department of Internal Medicine, University of Toyama, Toyama 9300072, Japan; (M.H.); (H.O.); (S.T.); (R.U.); (M.S.); (N.F.); (H.U.); (K.K.)
| | - Koichiro Kinugawa
- The Second Department of Internal Medicine, University of Toyama, Toyama 9300072, Japan; (M.H.); (H.O.); (S.T.); (R.U.); (M.S.); (N.F.); (H.U.); (K.K.)
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Imamura T, Oshima A, Narang N, Onoda H, Tanaka S, Ushijima R, Sobajima M, Fukuda N, Ueno H, Kinugawa K. Clinical implications of troponin-T elevations following TAVR: Troponin Increase Following TAVR. J Cardiol 2021; 79:240-246. [PMID: 34538533 DOI: 10.1016/j.jjcc.2021.08.030] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/09/2021] [Revised: 08/19/2021] [Accepted: 08/21/2021] [Indexed: 11/29/2022]
Abstract
BACKGROUND Baseline and post-procedural elevations in serum troponin-T levels are associated with increased morbidity and mortality following transcatheter aortic valve replacement (TAVR). However, the prognostic impact of change in serum troponin-T level following TAVR remains unknown. METHODS Among the patients with severe aortic stenosis who underwent TAVR, those with baseline serum troponin-T level ≥51.5 ng/L were excluded. The impact of increases in serum troponin-T level to an abnormally high range (≥51.5 ng/L) following TAVR on 2-year cardiovascular death or heart failure readmissions was investigated. RESULTS Among 189 included patients (median 86 years old, 28% men), serum troponin-T level increased in 79 patients following TAVR. An increase in serum troponin-T was associated with a higher rate of 30-day adverse events, predominantly due to pacemaker implantation for complete atrio-ventricular block, and a higher 2-year cumulative incidence of the primary endpoint (hazard ratio 5.24, 95% confidence interval 1.64-16.8, p = 0.005) adjusted for the potential confounders. CONCLUSION Post-procedural increase in serum troponin-T level was associated with adverse clinical outcomes following TAVR.
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Affiliation(s)
- Teruhiko Imamura
- The Second Department of Internal Medicine, University of Toyama, Toyama, Japan.
| | - Akira Oshima
- The Second Department of Internal Medicine, University of Toyama, Toyama, Japan
| | | | - Hiroshi Onoda
- The Second Department of Internal Medicine, University of Toyama, Toyama, Japan
| | - Shuhei Tanaka
- The Second Department of Internal Medicine, University of Toyama, Toyama, Japan
| | - Ryuichi Ushijima
- The Second Department of Internal Medicine, University of Toyama, Toyama, Japan
| | - Mitsuo Sobajima
- The Second Department of Internal Medicine, University of Toyama, Toyama, Japan
| | - Nobuyuki Fukuda
- The Second Department of Internal Medicine, University of Toyama, Toyama, Japan
| | - Hiroshi Ueno
- The Second Department of Internal Medicine, University of Toyama, Toyama, Japan
| | - Koichiro Kinugawa
- The Second Department of Internal Medicine, University of Toyama, Toyama, Japan
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Onoda H, Ueno H, Imamura T, Ueno Y, Kuwahara H, Sobajima M, Kinugawa K, Tada N, Naganuma T, Yamawaki M, Yamanaka F, Shirai S, Mizutani K, Tabata M, Takagi K, Watanabe Y, Yamamoto M, Hayashida K. Identification of Anemia for Predicting Mid-Term Prognosis After Transcatheter Aortic Valve Implantation in Japanese Patients - Insights From the OCEAN-TAVI Registry. Circ Rep 2021; 3:286-293. [PMID: 34007943 PMCID: PMC8099672 DOI: 10.1253/circrep.cr-21-0026] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
Background:
Patients with anemia have a poor prognosis following transcatheter aortic valve implantation (TAVI). Given the unique distribution of hemoglobin levels in the Japanese cohort, the optimal cut-off hemoglobin value may help stratify Japanese patients’ mortality following TAVI. Methods and Results:
Data of patients who underwent TAVI were collected from the prospective multicenter Optimized transCathEter vAlvular iNtervention (OCEAN)-TAVI Registry. Receiver operating characteristic analysis was used to calculate a hemoglobin cut-off value to stratify 2-year mortality following TAVI. In all, 2,588 patients (mean [±SD] age 84.4±5.2 years, 795 men) were included in the study. Of these patients, 909 (35.1%) had anemia, which was defined as hemoglobin <10.9 g/dL for men and <10.4 g/dL for women. The presence of anemia, uniquely defined for the Japanese cohort, was independently associated with 2-year mortality following TAVI, with an odds ratio of 1.77 (95% confidence interval 1.39–2.25) adjusted for 14 other clinical variables. Conclusions:
The existence of anemia, uniquely defined for the Japanese cohort, was associated with mid-term mortality following TAVI.
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Affiliation(s)
- Hiroshi Onoda
- Second Department of Internal Medicine, University of Toyama Toyama Japan
| | - Hiroshi Ueno
- Second Department of Internal Medicine, University of Toyama Toyama Japan
| | - Teruhiko Imamura
- Second Department of Internal Medicine, University of Toyama Toyama Japan
| | - Yohei Ueno
- Second Department of Internal Medicine, University of Toyama Toyama Japan
| | - Hiroyuki Kuwahara
- Second Department of Internal Medicine, University of Toyama Toyama Japan
| | - Mitsuo Sobajima
- Second Department of Internal Medicine, University of Toyama Toyama Japan
| | - Koichiro Kinugawa
- Second Department of Internal Medicine, University of Toyama Toyama Japan
| | - Norio Tada
- Department of Cardiology, Sendai Kousei Hospital Sendai Japan
| | - Toru Naganuma
- Department of Cardiology, New Tokyo Hospital Matsudo Japan.,Department of Cardiovascular Medicine, Graduate School of Medical Sciences, Kumamoto University Kumamoto Japan
| | - Masahiro Yamawaki
- Department of Cardiology, Saiseikai Yokohama-City Eastern Hospital Yokohama Japan
| | - Futoshi Yamanaka
- Department of Cardiovascular Medicine, Graduate School of Medical Sciences, Kumamoto University Kumamoto Japan.,Department of Cardiology, Shonan Kamakura General Hospital Kamakura Japan
| | - Shinichi Shirai
- Department of Cardiology, Kokura Memorial Hospital Kitakyushu Japan
| | - Kazuki Mizutani
- Division of Cardiology, Department of Medicine, Faculty of Medicine, Kindai University Osakasayama Japan
| | - Minoru Tabata
- Department of Cardiovascular Surgery, Tokyo Bay Urayasu Ichikawa Medical Center Urayasu Japan
| | - Kensuke Takagi
- Department of Cardiology, Ogaki Municipal Hospital Ogaki Japan
| | - Yusuke Watanabe
- Department of Cardiology, Teikyo University School of Medicine Tokyo Japan
| | - Masanori Yamamoto
- Department of Cardiology, Toyohashi Heart Center Toyohashi Japan.,Department of Cardiology, Nagoya Heart Center Nagoya Japan
| | - Kentaro Hayashida
- Department of Cardiology, Keio University School of Medicine Tokyo Japan
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Sobajima M, Imamura T, Onoda H, Kuwahara H, Tanaka S, Ushijima R, Fukuda N, Ueno H, Kinugawa K. B-type Natriuretic Peptide Regulation in Patients with Severe Aortic Stenosis Following Transaortic Valvular Implantation. Int Heart J 2020; 61:734-738. [DOI: 10.1536/ihj.20-067] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Affiliation(s)
- Mitsuo Sobajima
- Second Department of Internal Medicine, Graduate School of Medicine, University of Toyama
| | - Teruhiko Imamura
- Second Department of Internal Medicine, Graduate School of Medicine, University of Toyama
| | - Hiroshi Onoda
- Second Department of Internal Medicine, Graduate School of Medicine, University of Toyama
| | - Hiroyuki Kuwahara
- Second Department of Internal Medicine, Graduate School of Medicine, University of Toyama
| | - Shuhei Tanaka
- Second Department of Internal Medicine, Graduate School of Medicine, University of Toyama
| | - Ryuichi Ushijima
- Second Department of Internal Medicine, Graduate School of Medicine, University of Toyama
| | - Nobuyuki Fukuda
- Second Department of Internal Medicine, Graduate School of Medicine, University of Toyama
| | - Hiroshi Ueno
- Second Department of Internal Medicine, Graduate School of Medicine, University of Toyama
| | - Koichiro Kinugawa
- Second Department of Internal Medicine, Graduate School of Medicine, University of Toyama
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Onoda H, Imamura T, Ushijima R, Sobajima M, Kinugawa K. A Young Patient Presenting with Atrioventricular Block Diagnosed as Myotonic Dystrophy. Intern Med 2020; 59:1531-1533. [PMID: 32188809 PMCID: PMC7364259 DOI: 10.2169/internalmedicine.4259-19] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
Abstract
We encountered a 42-year-old woman with a history of diabetes mellitus and cataracts presenting with repeated syncope whose electrocardiogram showed advanced atrioventricular block. On admission, we excluded major potential differential diagnoses as causes of an atrioventricular block but did not suspect myotonic dystrophy, which was eventually diagnosed by chance based on a suspected weakness of the respiratory muscles followed by a detailed neurological physical examination. Myotonic dystrophy should be suspected as a differential diagnosis when relatively young patients present with conductance disorder.
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Affiliation(s)
- Hiroshi Onoda
- The Second Department of Internal Medicine, University of Toyama, Japan
- Division of Cardiology, Niigata Prefectural Central Hospital, Japan
| | - Teruhiko Imamura
- The Second Department of Internal Medicine, University of Toyama, Japan
| | - Ryuichi Ushijima
- The Second Department of Internal Medicine, University of Toyama, Japan
| | - Mitsuo Sobajima
- The Second Department of Internal Medicine, University of Toyama, Japan
| | - Koichiro Kinugawa
- The Second Department of Internal Medicine, University of Toyama, Japan
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Abstract
We report here a 70-year-old female patient with a history of breast cancer who presented with dyspnea that had lasted for 2 weeks following a long-distance trip by bus. She was at first suspected of having a pulmonary embolism given the typical presentation, elevated D-dimer level, and enlargement of the right-side heart. However, her systemic condition deteriorated despite the initiation of anti-coagulation therapy. Given the absence of a major thrombus in the pulmonary major arteries but multiple low perfusion lesions in the periphery of the lungs, refractoriness to conventional therapy, an increase in tumor markers, and anaplastic cells demonstrated by aspiration cytology from the pulmonary artery, we diagnosed her as pulmonary tumor thrombotic microangiopathy (PTTM). She died on day 23 due to respiratory failure despite administration of inotropes and prostaglandin I2. The patient had an obvious history of malignancy, but we should emphasize that PTTM can develop even in patients with early-stage or completely cured malignancies. Although an early and definite diagnosis of PTTM is currently challenging, an optimal diagnostic and therapeutic strategy is warranted.
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Affiliation(s)
- Hiroshi Onoda
- The Second Department of Internal Medicine, University of Toyama.,Division of Cardiology, Niigata Prefectural Central Hospital
| | - Teruhiko Imamura
- The Second Department of Internal Medicine, University of Toyama
| | - Kyoko Inao
- The Second Department of Internal Medicine, University of Toyama
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Onoda H, Ueno H, Hashimoto M, Kuwahara H, Sobajima M, Kinugawa K. Clinical Advantages of Using Low Tube Voltage in Third-Generation 192-Slice Dual-Source Computed Tomographic Angiography Before Transcatheter Aortic Valve Implantation. Int Heart J 2019; 60:1091-1097. [PMID: 31484865 DOI: 10.1536/ihj.18-693] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
Low-voltage computed tomographic angiography (CTA) is a highly effective technique to reduce contrast media volume. We sought to examine the suitability of low tube voltage CTA with a reduced contrast media volume protocol using third-generation 192-slice dual-source CT in patients undergoing transcatheter aortic valve implantation (TAVI). CTA was performed to aid TAVI planning for 40 consecutive patients with severe aortic stenosis. For the first 10 patients (120/100 kV group), we used a conventional tube voltage combined CTA protocol (an ECG-gated helical scan; 120 kV, non-gated helical scan; 100 kV). For the subsequent 30 patients (70-kV group), we adopted a low tube voltage CTA protocol. We evaluated vascular attenuation, image noise, contrast-to-noise ratio (CNR), and renal function. The mean contrast media (CM) volume was 77.7 ± 17.7 mL in the 120/100-kV group and 30.9 ± 6.3 mL in the 70-kV group (P < 0.001). In the images of the aortic valve complex, the mean attenuation was not significant difference for both groups. In the images of the aorto-femoral arteries, mean attenuation was > 250 Hounsfield Units and CNR was > 10 in all vascular segments for both groups. There was no significant difference in the change of renal function in the 70-kV group, but renal function in the 120/100-kV group decreased within 1-3 months after CTA. Low tube voltage CTA using third-generation dual-source CT is suitable to assess procedural planning for TAVI. This approach maintains image quality and reduces the required CM volume.
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Affiliation(s)
- Hiroshi Onoda
- Second Department of Internal Medicine, University of Toyama
| | - Hiroshi Ueno
- Second Department of Internal Medicine, University of Toyama
| | | | | | - Mitsuo Sobajima
- Second Department of Internal Medicine, University of Toyama
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Onoda H, Ueno H, Ueno Y, Kuwahara H, Sobajima M, Kinugawa K. The impact of changes in B-type natriuretic peptide levels on prognosis after transcatheter aortic valve implantation. Cardiovasc Interv Ther 2019; 35:283-290. [DOI: 10.1007/s12928-019-00621-w] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2019] [Accepted: 09/09/2019] [Indexed: 12/19/2022]
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Higashi M, Onoda H, Kunihiro Y, Tao H, Okabe K, Matsumoto T. P3.13-013 Association of Pleural Tags with Visceral Pleural Invasion of Peripheral Lung Cancer. J Thorac Oncol 2017. [DOI: 10.1016/j.jtho.2017.09.1748] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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Tao H, Onoda H, Hayashi M, Hara A, Miyazaki R, Murakami D, Furukawa M, Okabe K. P1.05-003 Impact of Coexisting Pulmonary Diseases on Oncological Outcomes of Patients with pStage I Non-Small Cell Lung Cancer. J Thorac Oncol 2017. [DOI: 10.1016/j.jtho.2017.09.875] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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Nakamura M, Onoda H, Kuwahara H, Joho S, Hirai T, Kinugawa K. A Case of Fulminant Myocarditis with Hemophagocytic Syndrome. J Card Fail 2017. [DOI: 10.1016/j.cardfail.2017.08.100] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Sobajima M, Ueno H, Onoda H, Kuwahara H, Tanaka S, Ushijima R, Fukuda N, Yokoyama S, Nagura S, Doi T, Yamashita A, Fukahara K, Ito H, Kinugawa K. Transcatheter Aortic Valve Implantation Improves Cardiac Sympathetic Nerve Activity on 123I-Metaiodobenzylguanidine Myocardial Scintigraphy in Severe Aortic Valve Stenosis. Circ J 2017; 82:579-585. [PMID: 28966286 DOI: 10.1253/circj.cj-17-0817] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
BACKGROUND There is a consensus that overactivation of the cardiac sympathetic nervous system (CSN) proportionately increases the severity of heart failure and is accompanied by worse prognosis. Because it is unknown whether patients with aortic valve stenosis (AS) have similar CSN activation, we investigated the effect of transcatheter aortic valve implantation (TAVI).Methods and Results:We enrolled 31 consecutive patients with AS treated by TAVI. 123I-metaiodobenzylguanidine (MIBG) myocardial scintigraphy was performed at baseline and at 2 weeks after TAVI. At baseline, the early heart-mediastinum ratio (H/M) was within normal limits (3.0±0.5), but the delayed H/M was low (2.6±0.6) and the washout rate (WR) was high (34±13%). WR negatively correlated with aortic valve area (r=-0.389, P<0.01) and cardiac output (r=-0.595, P<0.01) and positively correlated with norepinephrine (r=0.519, P<0.01) and log NT-proBNP level (r=0.613, P<0.01). After TAVI, there were significant decreases in the norepinephrine level (366±179 ng/mL vs. 276±125 ng/mL, P<0.01) and WR (34±13 vs. 26±11%, P<0.01). CONCLUSIONS The WR of MIBG was a useful marker of CSN activity and severity of AS. Immediate improvement of CSN activity after TAVI implied that AS hemodynamics per se enhanced CSN.
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Affiliation(s)
- Mitsuo Sobajima
- The Second Department of Internal Medicine, Graduate School of Medicine, University of Toyama
| | - Hiroshi Ueno
- The Second Department of Internal Medicine, Graduate School of Medicine, University of Toyama
| | - Hiroshi Onoda
- The Second Department of Internal Medicine, Graduate School of Medicine, University of Toyama
| | - Hiroyuki Kuwahara
- The Second Department of Internal Medicine, Graduate School of Medicine, University of Toyama
| | - Shuhei Tanaka
- The Second Department of Internal Medicine, Graduate School of Medicine, University of Toyama
| | - Ryuichi Ushijima
- The Second Department of Internal Medicine, Graduate School of Medicine, University of Toyama
| | - Nobuyuki Fukuda
- The Second Department of Internal Medicine, Graduate School of Medicine, University of Toyama
| | - Shigeki Yokoyama
- The First Department of Surgery, Graduate School of Medicine, University of Toyama
| | - Saori Nagura
- The First Department of Surgery, Graduate School of Medicine, University of Toyama
| | - Toshio Doi
- The First Department of Surgery, Graduate School of Medicine, University of Toyama
| | - Akio Yamashita
- The First Department of Surgery, Graduate School of Medicine, University of Toyama
| | - Kazuaki Fukahara
- The First Department of Surgery, Graduate School of Medicine, University of Toyama
| | - Hisakatsu Ito
- The Department of Anesthesiology, Graduate School of Medicine, University of Toyama
| | - Koichiro Kinugawa
- The Second Department of Internal Medicine, Graduate School of Medicine, University of Toyama
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Kinoshita A, Onoda H, Ueda K, Imai N, Iwaku A, Tanaka K, Fushiya N, Koike K, Nishino H, Tajiri H. Clinical characteristics and survival outcomes of super-elderly hepatocellular carcinoma patients not indicated for surgical resection. Hepatol Res 2016; 46:E5-E14. [PMID: 25753133 DOI: 10.1111/hepr.12514] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/09/2014] [Revised: 02/23/2015] [Accepted: 02/26/2015] [Indexed: 12/17/2022]
Abstract
AIM Considering the dramatic increase in average life expectancy during the 20th century throughout the world, the management of elderly patients with cancer has become a global issue. We herein investigated the clinical characteristics and outcomes of super-elderly hepatocellular carcinoma (HCC) patients over 80 years old not indicated for surgical resection. METHODS We retrospectively evaluated 206 newly diagnosed HCC patients. The patients were divided into two groups according to their age at inclusion; a super-elderly group (n = 37, ≥80 years) and a younger group (n = 169, <80 years). We compared the clinical characteristics, overall survival (OS) and disease-specific survival (DSS) rates among the two groups. Both univariate and multivariate analyses were performed to identify the factors associated with the OS and DSS. RESULTS The proportion of women was higher in the super-elderly group than in the younger group (P = 0.017). There were no significant differences in the OS (P = 0.171) or DSS (P = 0.176) between the two groups. The multivariate analysis revealed that only the Cancer Liver Italian Program score (hazard ratio [HR], 2.972; P < 0.0001; HR, 3.694; P < 0.0001) was independently associated with the OS and DSS. Age was not found to be associated with the OS or DSS according to either the univariate or multivariate analysis. CONCLUSION There were no significant differences in the OS and DSS rates among the super-elderly HCC patients and younger HCC patients not indicated for surgical resection. An advanced age itself does not restrict the therapeutic approach, even in super-elderly HCC patients not indicated for surgical resection.
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Affiliation(s)
- Akiyoshi Kinoshita
- Division of Gastroenterology and Hepatology, Jikei University Daisan Hospital, Tokyo, Japan
| | - Hiroshi Onoda
- Division of Gastroenterology and Hepatology, Jikei University Daisan Hospital, Tokyo, Japan
| | - Kaoru Ueda
- Division of Gastroenterology and Hepatology, Jikei University Daisan Hospital, Tokyo, Japan
| | - Nami Imai
- Division of Gastroenterology and Hepatology, Jikei University Daisan Hospital, Tokyo, Japan
| | - Akira Iwaku
- Division of Gastroenterology and Hepatology, Jikei University Daisan Hospital, Tokyo, Japan
| | - Ken Tanaka
- Division of Gastroenterology and Hepatology, Jikei University Daisan Hospital, Tokyo, Japan
| | - Nao Fushiya
- Division of Gastroenterology and Hepatology, Jikei University Daisan Hospital, Tokyo, Japan
| | - Kazuhiko Koike
- Division of Gastroenterology and Hepatology, Jikei University Daisan Hospital, Tokyo, Japan
| | - Hirokazu Nishino
- Division of Gastroenterology and Hepatology, Jikei University Daisan Hospital, Tokyo, Japan
| | - Hisao Tajiri
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, Jikei University School of Medicine, Tokyo, Japan
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Kinoshita A, Onoda H, Imai N, Nishino H, Tajiri H. C-Reactive Protein as a Prognostic Marker in Patients with Hepatocellular Carcinoma. Hepatogastroenterology 2015; 62:966-970. [PMID: 26902038] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
C-reactive protein (CRP) is an acute phase reactant synthesized by hepatocytes that is regulated by pro-inflammatory cytokines, particulary interleukin-6 (IL-6). Over the last decade, CRP has been reported to be associated with a poor prognosis in patients with various types of cancer. Although the mechanisms by which the systemic inflammatory response reflected by an elevated serum CRP level influences survival in patients with cancer have not been fully elucidated, several possibilities involving the activation of IL-6, thereby elevating the CRP level, in cancer patients have been proposed. With regard to hepatocellular carcinoma (HCC), since Hashimoto et al. first demonstrated that the preoperative serum CRP level is an independent and significant factor predictive of a poor prognosis in patients undergoing surgical resection, several investigators have identified an elevated serum CRP level to be an indicator of poor outcomes in HCC patients undergoing transplantation, transarterial chemoembolization, radiofrequency ablation, percutaneous ethanol injection and best supportive care. Recently, the CRP level has been reported to be clinically applicable as a marker of treatment outcomes in HCC patients. However, large-scale, prospective validation studies are needed to confirm these results.
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Kinoshita A, Onoda H, Fushiya N, Koike K, Nishino H, Tajiri H. Staging systems for hepatocellular carcinoma: Current status and future perspectives. World J Hepatol 2015; 7:406-424. [PMID: 25848467 PMCID: PMC4381166 DOI: 10.4254/wjh.v7.i3.406] [Citation(s) in RCA: 98] [Impact Index Per Article: 10.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/27/2014] [Revised: 11/08/2014] [Accepted: 12/10/2014] [Indexed: 02/06/2023] Open
Abstract
Hepatocellular carcinoma (HCC) is a major health concern worldwide and the third cause of cancer-related death. Despite advances in treatment as well as careful surveillance programs, the mortality rates in most countries are very high. In contrast to other cancers, the prognosis and treatment of HCC depend on the tumor burden in addition to patient’s underlying liver disease and liver functional reserve. Moreover, there is considerable geographic and institutional variation in both risk factors attributable to the underlying liver diseases and the management of HCC. Therefore, although many staging and/or scoring systems have been proposed, there is currently no globally accepted system for HCC due to the extreme heterogeneity of the disease. The aim of this review is to focus on currently available staging systems as well as those newly reported in the literatures since 2012. Moreover, we describe problems with currently available staging systems and attempts to modify and/or add variables to existing staging systems.
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Onoda H, Matsukura A. Temperature dependence and P/Ti ratio in phosphoric acid treatment of titanium dioxide and powder properties. Int J Cosmet Sci 2014; 37:123-8. [PMID: 25376932 DOI: 10.1111/ics.12179] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2014] [Accepted: 09/11/2014] [Indexed: 12/01/2022]
Abstract
OBJECTIVE Titanium dioxide has photocatalytic activity and is used as a white pigment for cosmetics. A certain degree of sebum on the skin is decomposed by the ultraviolet radiation in sunlight. In this work, titanium dioxide was shaken with phosphoric acid to synthesize a white pigment for cosmetics. METHODS Titanium dioxide was treated with 0.1 mol/L of phosphoric acid at various P/Ti molar ratios, and then shaken in hot water for 1 h. The chemical composition, powder properties, photocatalytic activity, colour phase, and smoothness of the obtained powder were studied. RESULTS The obtained materials indicated XRD peaks of titanium dioxide, however the peaks diminished subsequent to phosphoric acid treatment. The samples included small particles with sub-micrometer size. The photocatalytic activity of the obtained powders decreased, decomposing less sebum on the skin. Samples prepared at high P/Ti ratio with high shaking temperature indicated low whiteness in in L*a*b* colour space. The shaking and heating temperature and P/Ti ratio had influence on the smoothness of the obtained materials. CONCLUSION Phosphoric acid treatment of titanium dioxide is an effective method to inhibit photocatalytic activity for a white pigment.
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Affiliation(s)
- H Onoda
- Department of Informatics and Environmental Sciences, Kyoto Prefectural University, 1-5, Shimogamo Nakaragi-cyo, Sakyo-ku, Kyoto, 606-8522, Japan
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Kishi T, Shimizu K, Hashimoto S, Onoda H, Washida Y, Sakaida I, Matsunaga N. CT enteroclysis/enterography findings in drug-induced small-bowel damage. Br J Radiol 2014; 87:20140367. [PMID: 25348282 DOI: 10.1259/bjr.20140367] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023] Open
Abstract
OBJECTIVE To evaluate the CT enteroclysis (CTE)/enterography findings of patients with small-bowel mucosal damage induced by aspirin or non-steroidal anti-inflammatory drugs (NSAIDs) and to compare these findings with the duration of drug use and endoscopic findings. METHODS CTE findings of 11 patients (22 lesions) with drug-induced small-bowel damage were reviewed, including 8 NSAID users and 3 aspirin users. Three patients were short-term users (6 months or shorter) and eight were long-term users (3 years or longer). Nine patients also underwent videocapsule endoscopy (VCE) or double-balloon enteroscopy (DBE). RESULTS Small-bowel abnormalities were visible in 8 of 11 patients (73%) on CTE. Multiple lesions were seen in five patients, including all short-term users. Lesions were classified into three types. Type 1 (mucosal patchy enhancement) was found in four of eight patients (50%, 12 lesions) all were short-term users. Small erosions with mild oedema/redness were shown by DBE. Type 2 (homogeneous hyperenhancement) was found in two of eight patients (25%, four lesions) who were long-term users. Large ulcers with marked oedema/redness were shown by DBE. Type 3 (stratification enhancement) was found in four of eight patients (50%, six lesions), both short-term and long-term users. Annular or large ulcers with strictures were shown by VCE or DBE. CONCLUSION On CTE, Type 1 lesions in patients with mostly short-term aspirin or NSAID use, Type 2 lesions in patients with long-term use and Type 3 lesions in both types of patients were detected. CTE may have usefulness for the detection of mild damage. ADVANCES IN KNOWLEDGE Small-bowel abnormalities owing to aspirin or NSAID present with three different patterns on CTE.
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Affiliation(s)
- T Kishi
- 1 Department of Radiology, Yamaguchi University Graduate School of Medicine, Ube, Yamaguchi, Japan
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47
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Kinoshita A, Onoda H, Imai N, Iwaku A, Oishi M, Tanaka K, Fushiya N, Koike K, Nishino H, Matsushima M. The C-reactive protein/albumin ratio, a novel inflammation-based prognostic score, predicts outcomes in patients with hepatocellular carcinoma. Ann Surg Oncol 2014; 22:803-10. [PMID: 25190127 DOI: 10.1245/s10434-014-4048-0] [Citation(s) in RCA: 297] [Impact Index Per Article: 29.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2014] [Indexed: 12/18/2022]
Abstract
BACKGROUND The C-reactive protein/albumin (CRP/Alb) ratio is associated with outcomes in septic patients. We investigated the prognostic value of the CRP/Alb ratio in patients with hepatocellular carcinoma (HCC). METHODS We retrospectively evaluated 186 newly diagnosed HCC patients and investigated the correlations among the pretreatment CRP/Alb ratio, clinicopathological parameters, and overall survival (OS). Multivariate analyses were performed to identify the clinicopathological parameters associated with OS. Subsequently, we evaluated the prognostic value of the CRP/Alb ratio compared with other inflammation-based prognostic scores [Glasgow Prognostic Score (GPS), modified GPS (mGPS), and neutrophil lymphocyte ratio (NLR)] using the area under the curve (AUC). RESULTS The optimal cutoff level for the CRP/Alb ratio was 0.037. An elevated CRP/Alb ratio (≥0.037) was associated with tumor progression and reduced liver functional reserve. In the multivariate analysis, the CRP/Alb ratio [hazard ratio (HR) 3.394; p < 0.0001], Cancer Liver Italian Program score (HR 2.686; 95% CI 2.122-3.401; p < 0.0001), and vascular invasion (HR 3.376; 95% CI 1.594-7.151; p = 0.001) were independently associated with OS (HR 3.394; p < 0.0001). The CRP/Alb ratio had higher AUC values at 6 months (0.844), 12 months (0.863), and 24 months (0.82) compared with the GPS, mGPS, and NLR. CONCLUSION The CRP/Alb ratio might be an independent prognostic marker in patients with HCC, and may have comparable prognostic ability to other established inflammation-based prognostic scores. The prognostic value of this novel inflammation-based prognostic score needs to be verified in patients with other types of cancer.
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Affiliation(s)
- Akiyoshi Kinoshita
- Division of Gastroenterology and Hepatology, The Jikei University Daisan Hospital, Komae-Shi, Tokyo, Japan,
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Morishima S, Nakamura S, Yamamoto K, Miyauchi H, Kagami Y, Kinoshita T, Onoda H, Yatabe Y, Ito M, Miyamura K, Nagai H, Moritani S, Sugiura I, Tsushita K, Mihara H, Ohbayashi K, Iba S, Emi N, Okamoto M, Iwata S, Kimura H, Kuzushima K, Morishima Y. Increased T-cell responses to Epstein-Barr virus with high viral load in patients with Epstein-Barr virus-positive diffuse large B-cell lymphoma. Leuk Lymphoma 2014; 56:1072-8. [PMID: 24975317 DOI: 10.3109/10428194.2014.938326] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
The immunological status of patients with Epstein-Barr virus-positive diffuse large B-cell lymphoma (EBV+ DLBCL) without obvious immunodeficiency has not been elucidated. A multicenter prospective study was conducted to assess pretreatment T-cell responses to EBV, EBV-DNA load and anti-EBV antibody in these patients. The proliferative and interferon (IFN)-γ-producing capacity of T-cells in response to autologous B-lymphoblastoid cell lines was determined using carboxyfluorescein diacetate succinimidyl ester (CFSE)-based assay. Frequencies of EBV-specific CD4+ T-cells in patients with EBV+ DLBCL (n = 13) were significantly higher than in healthy controls (HCs) (n = 16) after both ex vivo and in vitro stimulation. Frequencies of EBV-specific CD8+ T-cells in patients with EBV+ DLBCL tended to be higher than in HCs after in vitro stimulation. Patients with EBV+ DLBCL also showed increased immunoglobulin G (IgG) responses to lytic EBV-encoded antigens. Pretreatment plasma EBV-DNA level was significantly higher in patients with EBV+ DLBCL than in patients with EBV- DLBCL or HCs. In conclusion, EBV-specific T-cells showed increased reactivity, accompanied by higher levels of plasma virus DNA in patients with EBV+ DLBCL.
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Affiliation(s)
- Satoko Morishima
- Department of Hematology, Fujita Health University School of Medicine , Toyoake , Japan
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Kinoshita A, Onoda H, Imai N, Iwaku A, Oishi M, Tanaka K, Fushiya N, Koike K, Nishino H, Matsushima M, Tajiri H. The addition of C-reactive protein to validated staging systems improves their prognostic ability in patients with hepatocellular carcinoma. Oncology 2014; 86:308-17. [PMID: 24924697 DOI: 10.1159/000360704] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2013] [Accepted: 02/06/2014] [Indexed: 12/31/2022]
Abstract
OBJECTIVES C-reactive protein (CRP) is a practical prognostic marker in patients with hepatocellular carcinoma (HCC). We investigated the prognostic value of adding the CRP level to other validated staging systems (Cancer Liver Italian Program, Japan Integrated Staging, Barcelona Clinic Liver Cancer classification system, Tokyo score and tumor node metastasis classification) in HCC patients. METHODS One hundred and eighty-six newly diagnosed HCC patients were retrospectively evaluated. A multivariate analysis identified the clinicopathological variables associated with overall survival; the variables identified were then added to each staging system and compared to those without the additional variable. RESULTS In multivariate analysis, an elevated serum CRP level was independently associated with a poor prognosis (hazard ratio 3.792, p < 0.0001). The addition of the CRP level to each of the established staging systems provided a higher linear χ(2) value and a lower -2 log likelihood than those without the addition of the term. Moreover, the area under the receiver-operating characteristic curve (AUC) analysis showed that the addition of CRP improved the AUC of each staging system. CONCLUSIONS This study demonstrates that an elevated serum CRP level is independently associated with a poor prognosis in HCC patients, and the addition of the CRP level to the validated staging systems could improve the prognostic ability of each staging system.
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Affiliation(s)
- Akiyoshi Kinoshita
- Division of Gastroenterology and Hepatology, Jikei University Daisan Hospital, Tokyo, Japan
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Onoda H, Haruki M, Toyama T. Influence of pH, concentration of sodium lactate as an additive and ultrasonic treatment on synthesis of zinc phosphate white pigments. Int J Cosmet Sci 2014; 36:321-6. [DOI: 10.1111/ics.12129] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2014] [Accepted: 03/29/2014] [Indexed: 11/28/2022]
Affiliation(s)
- H. Onoda
- Department of Informatics and Environmental Sciences; Kyoto Prefectural University; 1-5, Shimogamo Nakaragi-cyo Sakyo-ku Kyoto 606-8522 Japan
| | - M. Haruki
- Department of Informatics and Environmental Sciences; Kyoto Prefectural University; 1-5, Shimogamo Nakaragi-cyo Sakyo-ku Kyoto 606-8522 Japan
| | - T. Toyama
- Department of Materials and Applied Chemistry; College of Science and Technology; Nihon University; 1-8-14 Kanda-Surugadai Chiyoda-ku Tokyo 101-8308 Japan
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