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Sunaga A, Tanaka N, Masuda M, Watanabe T, Kida H, Oeun B, Sato T, Sotomi Y, Dohi T, Okada K, Mizuno H, Nakatani D, Hikoso S, Inoue K, Sakata Y. Premature atrial contraction on Holter electrocardiogram predicts the recurrence of atrial fibrillation after catheter ablation. Eur Heart J 2022. [DOI: 10.1093/eurheartj/ehac544.401] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Abstract
Introduction
It is important to detect the recurrence of atrial fibrillation (AF) after catheter ablation (CA) early, but the method of detection has not been established. The purpose of this study is to determine whether 24-h Holter electrocardiogram (ECG) can predict the recurrence of AF after CA.
Methods
We studied 336 patients of 497 patients enrolled in EARNEST-PVI trial to investigate whether the total number of premature atrial contraction (PAC) and the maximum number of PAC run by 24-h Holter ECG at 6 months after CA predicted AF recurrence after 6 months. We excluded 86 patients with recurrence by 6 months after CA and 75 patients without Holter ECG at 6 months after CA.
Results
Median age was 66 years, male were 77% and median follow-up period was 1138 days. Receiver operating characteristic curve analysis identified the total number of PAC ≥270 beats and the maximum number of PAC run ≥8 beats as the optimal cutoff for prediction of AF recurrence. Kaplan-Meier analysis showed patients with the total number of PAC ≥270 beats had more frequent AF recurrence than those without (Kaplan-Meier estimated 3-year AF recurrence rate 34% vs. 17%, Log-rank P=0.001) and patients with the maximum number of PAC run ≥8 beats had more frequent AF recurrence than those without (Kaplan-Meier estimated 3-year AF recurrence rate 33% vs. 20%, Log-rank P=0.006). Multivariate analysis revealed that the total number of PAC ≥270 beats and the maximum number of PAC run were significantly associated with AF recurrence (hazard ratio [95% confidence interval] 1.83 [1.16–2.91], P=0.01 and 1.01 [1.01–1.02], P=0.001, respectively)
Conclusion
The total number of PAC and the maximum number of PAC run on the Holter ECG may be useful in predicting AF recurrence after CA.
Funding Acknowledgement
Type of funding sources: None.
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Tokutome M, Matsukawa R, Noma A, Kisanuki H, Nakashima H, Watanabe T, Sakemi T, Okabe K, Okahara A, Kawai S, Matsuura H, Masuda S, Mukai S. Aggressive combined pharmacotherapy for heart failure reduces new onset atrial fibrillation. Eur Heart J 2022. [DOI: 10.1093/eurheartj/ehac544.957] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Abstract
Backgrounds
Heart failure (HF) is a risk factor for new onset atrial fibrillation (AF), and the new onset AF is associated with a worse prognosis in HF patients. It has been reported that renin-angiotensin system inhibitor (RASi), β-blocker and mineral-corticoid receptor antagonist (MRA) prevent the new onset AF in HF patients. However, the effect of combined pharmacotherapy including angiotensin receptor neprilysin inhibitor (ARNI) and sodium glucose co-transporter 2 inhibitor (SGLT2i) on AF is unknown. We investigated the impact of contemporary regimen of combined pharmacotherapy for HF (RASi/ARNI+β-blocker+MRA+SGLT2i) on new onset AF.
Methods and results
We retrospectively studied rEF and mrEF patients without AF admitted to our hospital due to decompensated HF between 2015 and 2021 (n=366). Long-term (The mean follow-up was 635±421 days) incidence of new onset AF was investigated with regard to medical therapies. Patients were divided into 2 groups; patients with ≤2 HF drugs (n=181) and patients with ≥3 HF drugs (n=185). Patients with ≤2 HF drugs group were older (77.3 vs 67.0 years old, P<0.001), had a poorer renal function (Cre: 1.66 vs 1.09 mg/dl, P<0.001), and had a higher rate of ischemic heart disease (52 vs 38%, P=0.009), whereas left ventricular systolic function was better (EF: 31.9 vs 27.3%, P<0.001). There were 19 (10.5%) new onsets AF in the ≤2 HF drugs group, whereas only 7 (3.8%) had new onsets AF in the ≥3 HF drugs group (HR 0.36, 95% CI 0.15–0.85, P=0.01). All-cause death and hospitalization for HF were fewer in the ≥3 HF drugs group. A multivariate analysis revealed that ≥3 HF drugs use was an independent negative predictor of new onset AF (HR 0.37, 95% CI 0.15–0.93, P=0.03). Even after a propensity score matching of the clinical variables, the incidence of new onset AF was consistently fewer in the ≥3 HF drugs group (HR 0.36, 95% CI 0.13–0.99, P=0.04). Finally, patients with new onset AF had a higher rate of hospitalization for HF in the studied population (HR 9.68, 95% CI 5.67–16.5, P<0.01).
Conclusion
Aggressive combined pharmacotherapy for HF may be associated with fewer new onset AF in patients with HF.
Funding Acknowledgement
Type of funding sources: None.
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Yuasa M, Kawabeta K, Uemura M, Koba K, Sawamura H, Watanabe T. Dietary High-Dose Biotin Intake Activates Fat Oxidation and Hepatic Carnitine Palmitoyltransferase in Rat. J Nutr Sci Vitaminol (Tokyo) 2022; 68:250-259. [PMID: 36047096 DOI: 10.3177/jnsv.68.250] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Abstract
This study investigated the effects of dietary high-dose biotin intake on fat oxidation in rats using respiratory gas analysis, and evaluated fatty-acid oxidation-related enzyme activities and gene expressions in the liver. Five-week-old male Sprague-Dawley rats were fed a control diet and three biotin-supplemented diets (additive biotin concentration: 0.05%, 0.10%, and 0.20% of diet) for 3 wk. In 2 wk, fat oxidation in the 0.20% biotin-supplemented diet group was higher than that in the 0.05% biotin-supplemented diet group; however, the energy expenditure and carbohydrate oxidation were unchanged between the dietary groups. At the end of 3 wk, body weight and epididymal white adipose tissue weight reduced in the 0.20% biotin diet group, and hepatic triglyceride levels tended to decrease. Additionally, increased plasma adiponectin concentration and hepatic mitochondrial carnitine palmitoyltransferase activity as well as decreased hepatic acetyl-CoA carboxylase 2 gene expression were observed in the 0.20% biotin-supplemented diet group compared with those in the control group. These results provide strong evidence that dietary high-dose biotin intake activated fat oxidation due to the increase in hepatic β-oxidation, which may contribute to the decrease in hepatic triglyceride concentration and white adipose tissue weight.
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Kimura N, Setsu T, Arao Y, Sakai N, Watanabe Y, Abe H, Kamimura H, Sakamaki A, Yokoo T, Kamimura K, Tsuchiya A, Osaki A, Igarashi K, Waguri N, Yanagi M, Takahashi T, Sugitani S, Kobayashi Y, Takamura M, Yoshikawa A, Ishikawa T, Yoshida T, Watanabe T, Bannai H, Kubota T, Funakoshi K, Wakabayashi H, Kurita S, Ogata N, Watanabe M, Mita Y, Mori S, Sugiyama M, Miyajima T, Takahashi S, Sato S, Ishizuka K, Ohta H, Aoyagi Y, Terai S. Cumulative risk of developing a new symptom in patients with primary biliary cholangitis and its impact on prognosis. JGH Open 2022; 6:577-586. [PMID: 35928695 PMCID: PMC9344586 DOI: 10.1002/jgh3.12789] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2022] [Revised: 05/10/2022] [Accepted: 06/08/2022] [Indexed: 11/13/2022]
Abstract
Background and Aim Symptoms of primary biliary cholangitis (PBC) frequently impair one's quality of life (QOL). Nonetheless, with improved treatment, the prognosis of PBC also improves. QOL plays an important role in patients with PBC. In this study, we aimed to reevaluate the transition of new symptom development in PBC and its predictive factors. Methods This retrospective multicenter study enrolled 382 patients with PBC for symptom analysis. The impact of a newly developed symptom on PBC prognosis was investigated by Kaplan–Meier analysis with propensity score matching and logistic progression analysis. Results The cumulative risk of developing a new symptom after 10 and 20 years of follow‐up was 7.6 and 28.2%, and specifically that of pruritus, which was the most common symptom, was 6.7 and 23.3%, respectively. In Cox hazard risk analysis, serum Alb level (hazard ratio [HR], 1.097; 95% confidence interval [CI], 1.033–1.165; P = 0.002), the serum D‐Bil level (HR, 6.262; 95% CI, 2.522–15.553, P < 0.001), and Paris II criteria (HR, 0.435; 95% CI, 0.183–1.036; P = 0.037) were significant independent predictors of a new symptom. Kaplan–Meier analysis showed that the overall survival and liver‐related death were not significant between patients with and without a new symptom. Conclusion The cumulative risk of new symptom development is roughly 30% 20 years after diagnosis and could be predicted by factors including serum albumin levels, serum D‐Bil level, and Paris II criteria.
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Watanabe T, Kamimura K, Shirahata M, Moriya K. Continuous ulnar nerve block at the forearm for early active mobilisation following flexor tendon reconstruction. Anaesth Rep 2022; 10:e12180. [PMID: 36237495 PMCID: PMC9535094 DOI: 10.1002/anr3.12180] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 07/08/2022] [Indexed: 12/29/2022] Open
Abstract
A 63-year-old woman had sustained a subcutaneous rupture of the flexor digitorum profundus tendon of the little finger due to osteoarthritis of the pisotriquetral joint. She underwent excision of the pisiform bone and reconstruction of the flexor digitorum profundus tendon of the little finger using an autogenous palmaris longus tendon graft. After surgery, a continuous ulnar nerve block was performed at the forearm under ultrasound and nerve stimulator guidance. During rehabilitation, she could not actively extend her little finger independently due to the block; however, she could actively extend it when the dorsum of the metacarpophalangeal joint was pressed by the occupational therapist, resulting in successful early active mobilisation. A continuous ulnar nerve block at the forearm may help to facilitate early active mobilisation after reconstructive surgery for little finger flexor tendon rupture. However, it may restrict the active extension of the little finger because the block does not spare the innervation of the intrinsic muscles responsible for little finger extension.
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Sorn S, Lin MY, Shuto M, Noguchi M, Honda R, Yamamoto-Ikemoto R, Watanabe T. Potential impact factors on the enhancement of antibiotic resistance in a lake environment. JOURNAL OF WATER AND HEALTH 2022; 20:1017-1026. [PMID: 35768974 DOI: 10.2166/wh.2022.074] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
There is considerable concern regarding antibiotic resistance in the water environment due to antibiotic residues from anthropogenic origins. The low antibiotic concentration in the water environment may promote the selection of antibiotic resistance. However, it is unclear how environmental factors affect resistance selection. We investigated the proliferation of quinolone-susceptible faecal bacteria (E. coli) exposed to low norfloxacin concentration (ng/L) at variable temperatures, exposure times, and carbon concentrations, simulating the conditions of the water environment. The induction of antibiotic resistance in thirteen E. coli isolates was more likely to occur at 37 °C. However, resistance also occurred at temperatures as low as 25 °C, provided a longer exposure time of 5 days. These results suggest that antibiotic resistance is more likely to be induced in regions where temperatures may reach 25-37 °C, such as tropical regions.
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Konishi M, Mizushima I, Kawano M, Murayama T, Nakazaki S, Shinoda K, Kido T, Katsuki Y, Fujinaga H, Watanabe T, Motomura H, Matsushita I. POS0675 IMPACT OF PAST USE OF DISEASE MODIFYING ANTI-RHEUMATIC DRUGS ON JAK INHIBITOR TREATMENT FOR RHEUMATOID ARTHRITIS - DATA FROM THE FUKUI ISHIKAWA TOYAMA DATABASE OF RHEUMATOID ARTHRITIS. Ann Rheum Dis 2022. [DOI: 10.1136/annrheumdis-2022-eular.1443] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
BackgroundCurrently, five types of Janus kinase inhibitors (JAKis) are used for rheumatoid arthritis (RA) treatment. The number of cases in which multiple JAKis have been prescribed is increasing. However, the real-world efficacy and safety of JAKis and related factors require further evaluation.ObjectivesThe primary objective of this study was to elucidate the impact of past use of disease-modifying anti-rheumatic drugs on RA treatment using JAKis. The secondary objective was to investigate the safety profiles of these agents in a real-world setting.MethodsOf the 303 JAKi-treated patients in the Fukui Ishikawa Toyama Database of RA included in this study, 30 had switched from one JAKi to another (JJ group), 214 switched from a biologic agent to a JAKi (BJ group), and 47 were naïve to either biologics or JAKis (NJ group). We compared baseline factors, treatment response, and JAKi continuation rates among the three groups. Factors related to JAKi discontinuation were assessed using Cox regression analysis. Furthermore, we investigated adverse events and reported them using exposure-adjusted incidence rates (EAIR; incidence rates per 100 patient-years).ResultsData from the 303 cases were analyzed (mean age = 63.6 years; female, 82%; mean RA duration, 176 months). Of the 303 patients, 118, 106, 50, and 29 were treated with tofacitinib, baricitinib, peficitinib, and upadacitinib, respectively, on initial observation. Rate of concomitant use with methotrexate and prednisolone was 52% and 49%, respectively.Regarding efficacy, no significant differences were observed among the three groups in terms of treatment response and JAKi continuation rates, except for the 6-month treatment response between the JJ and NJ groups. Cox regression analysis of the 303 cases revealed that only past use of JAKis during the disease history was significantly associated with JAKi discontinuation. The Kaplan–Meier method showed that patients who previously used JAKis had significantly shorter median JAKi treatment duration than those without such a history (20.9 vs. 54.7 months; p = 0.012). Treatment response was significantly poor in patients who had previously used JAKis, especially 6 months after treatment initiation.In terms of safety, the total exposure period for the 303 cases was 495 person-years, and the total number of adverse events was 161 (EAIR, 32.5). There were 12 cases (EAIR, 2.5) of serious infections, 23 cases (EAIR, 5.1) of herpes zoster, 7 cases (EAIR, 1.4) of malignant tumors, and 4 cases (EAIR, 0.8) of MACE. Adverse events led to JAKi discontinuation in 34 patients (EAIR, 6.9); the main causes of adverse events leading to treatment discontinuation were infectious diseases in 10 cases (EAIR, 2) and neoplasms in 4 cases (EAIR, 0.8). Within 1 year of initiating JAKi therapy, 21 patients discontinued treatment owing to adverse events, which accounted for 27% of the reasons for treatment discontinuation.We also investigated cases of JAKi dose reduction, observed in 42 of the 303 cases. Among them, 10 patients required a re-increase in the JAKi dose, and 13 patients (56.5%) were able to maintain the reduced dose for more than 1 year. The remaining 19 patients were excluded from the analysis because the treatment duration at the lower dose had not exceeded 1 year at the time of data extraction. No difference in disease activity at the time of dose reduction was observed between those who maintained the new dose and those who did not (mean DAS28-CRP: 1.48 ± 0.26 vs. 1.89 ± 0.62).ConclusionPast use of JAKis may contribute to decreased response and continuation rates for JAKi treatment. In this study, conducted in Japan, development of herpes zoster was found to the most frequent adverse event among the priority survey items.AcknowledgementsI have no acknowledgements to declare.Disclosure of InterestsNone declared
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Tamagawa H, Sugimoto N, Watanabe T, Satake H, Kataoka K, Kamei K, Kobayashi M, Munakata K, Fukunaga M, Kotaka M, Satoh T, Kanazawa A, Kurata T, Tomita N. P-78 A phase II study of resection followed by capecitabine plus oxaliplatin for liver metastasis of colorectal cancer (REX study): Final analysis. Ann Oncol 2022. [DOI: 10.1016/j.annonc.2022.04.168] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022] Open
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Sunakawa Y, Satake H, Usher J, Jaimes Y, Miyamoto Y, Nakamura M, Kataoka M, Shiozawa M, Takagane A, Terazawa T, Watanabe T, Ishiguro K, Tanaka C, Takeuchi M, Fujii M, Danenberg K, Danenberg P, Lenz HJ, Sekikawa T, Ichikawa W. Dynamic changes in RAS gene status in circulating tumour DNA: a phase II trial of first-line FOLFOXIRI plus bevacizumab for RAS-mutant metastatic colorectal cancer (JACCRO CC-11). ESMO Open 2022; 7:100512. [PMID: 35688061 PMCID: PMC9271512 DOI: 10.1016/j.esmoop.2022.100512] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2022] [Revised: 04/26/2022] [Accepted: 04/28/2022] [Indexed: 12/22/2022] Open
Abstract
Background Few prospective studies have used liquid biopsy testing in RAS-mutant metastatic colorectal cancer (mCRC), and its clinical significance remains unknown. Therefore, this study aimed to carry out a biomarker analysis by liquid biopsy using updated data of the phase II trial of FOLFOXIRI plus bevacizumab as first-line chemotherapy for RAS-mutant mCRC. Materials and methods A total of 64 patients who received modified FOLFOXIRI regimen (irinotecan 150 mg/m2, oxaliplatin 85 mg/m2, levofolinate 200 mg/m2, and fluorouracil 2400 mg/m2) plus bevacizumab biweekly were enrolled. The primary endpoint was the objective response rate (ORR). Plasma samples were collected at pre-treatment, 8 weeks after treatment, and progression in participants included in the biomarker study. The levels of circulating tumour DNA (ctDNA) and specific KRAS and NRAS variants were evaluated using real-time PCR assays. Results There were 62 patients (median age: 62.5 years, 92% performance status 0, 27% right side) who were assessable for efficacy and 51 for biomarker analysis. ORR was 75.8% (95% confidence interval 65.1% to 86.5%). The median progression-free survival was 12.1 months, and the median overall survival (OS) was 30.2 months. In 78% of patients, RAS mutations disappeared in the ctDNA at 8 weeks after treatment; these patients tended to have better outcomes than those with RAS mutations. Interestingly, RAS mutations remained undetectable during progression in 62% of patients. Survival analysis indicated that the median OS from progression was significantly longer in patients with RAS mutation clearance than in those with RAS mutation in the ctDNA at disease progression (15.1 versus 7.3 months, hazard ratio: 0.21, P = 0.0046). Conclusions Our biomarker study demonstrated no RAS mutations in ctDNA at disease progression in 62% of patients with RAS-mutant mCRC. Both OS and post-progression survival were better in patients with clearance of RAS mutations in ctDNA after triplet-based chemotherapy. First-line FOLFOXIRI plus bevacizumab is effective for RAS-mutant mCRC with comparable efficacy in elderly patients. RAS mutations disappeared in ctDNA after intensive chemotherapy in 62% of patients with mCRC with RAS-mutant tumours. Survival time was longer in patients with RAS mutation clearance than in those with RAS mutations in ctDNA.
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Komeyama S, Watanabe T, Yamagata K, Iwasaki Y, Hada T, Shimojima M, Mochizuki H, Tadokoro N, Kainuma S, Tsukamoto Y, Seguchi O, Fukushima S, Kusano K, Fujita T, Fukushima N. Successful Recovery from Refractory Hypoxia Due to Right-to-Left Shunting Associated with Iatrogenic Atrial Septal Defect After Catheter Ablation in a Patient with a Left Ventricular Assist Device. J Heart Lung Transplant 2022. [DOI: 10.1016/j.healun.2022.01.1731] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022] Open
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Watanabe T, Kawashima M, Kohno M, Yeung J, Martinu T, Aversa M, Donahoe L, Pierre A, de Perrot M, Yasufuku K, Waddell T, Keshavjee S, Cypel M. First North American Experience with Lung Transplantation from Donation After Medical Assistance in Dying. J Heart Lung Transplant 2022. [DOI: 10.1016/j.healun.2022.01.1620] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022] Open
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Iwasaki Y, Seguchi O, Komeyama S, Hada T, Shimojima M, Mochizuki H, Watanabe T, Tsukamoto Y, Tadokoro N, Kainuma S, Fukushima S, Fujita T, Fukushima N. Two Cases of BK Polyoma Virus Nephropathy in Patients with Isolated Heart Transplantation: Clinical Usefulness of Urinary Cytology. J Heart Lung Transplant 2022. [DOI: 10.1016/j.healun.2022.01.1427] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022] Open
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Nagai R, Kinukawa M, Watanabe T, Ogino A, Kurogi K, Adachi K, Satoh M, Uemoto Y. Genome-wide detection of non-additive quantitative trait loci for semen production traits in beef and dairy bulls. Animal 2022; 16:100472. [PMID: 35218992 DOI: 10.1016/j.animal.2022.100472] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2021] [Revised: 01/20/2022] [Accepted: 01/21/2022] [Indexed: 11/28/2022] Open
Abstract
Semen production traits are important aspects of bull fertility, because semen quantity leads to direct profits for artificial insemination centres, and semen quality is associated with the probability of achieving a pregnancy. Most genome-wide association studies (GWASs) for semen production traits have assumed that each quantitative trait locus (QTL) has an additive effect. However, GWASs that account for non-additive effects are also important in fitness traits, such as bull fertility. Here, we performed a GWAS using models that accounted for additive and non-additive effects to evaluate the importance of non-additive effects on five semen production traits in beef and dairy bulls. A total of 65 463 records for 615 Japanese Black bulls (JB) and 50 734 records for 873 Holstein bulls (HOL), which were previously genotyped using the Illumina BovineSNP50 BeadChip, were used to estimate genetic parameters and perform GWAS. The heritability estimates were low (ranged from 0.11 to 0.23), and the repeatability estimates were low to moderate (ranged from 0.28 to 0.45) in both breeds. The estimated repeatability was approximately twice as high as the estimated heritability for all traits. In this study, only one significant region with an additive effect was detected in each breed, but multiple significant regions with non-additive effects were detected for each breed. In particular, the region at approximately 64 Mbp on Bos taurus autosome 17 had the highest significant non-additive effect on four semen production traits in HOL. The rs41843851 single nucleotide polymorphism (SNP) in the region had a much lower P-value for the non-additive effect (P-value = 1.1 × 10-31) than for the additive effect (P-value = 1.1 × 10-8) in sperm motility. The AA and AB genotypes on the SNP had a higher phenotype than the BB genotype in HOL, and there was no bull with the BB genotype in JB. Our results showed that non-additive QTLs affect semen production traits, and a novel QTL accounting for non-additive effects could be detected by GWAS. This study provides new insights into non-additive QTLs that affect fitness traits, such as semen production traits in beef and dairy bulls.
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Okada M, Inoue K, Tanaka N, Masuda M, Furukawa Y, Hirata A, Egami Y, Watanabe T, Minamiguchi H, Miyoshi M, Sunaga A, Sotomi Y, Dohi T, Shungo H, Sakata Y. Impact of heart rate reduction on recurrence after catheter ablation of persistent atrial fibrillation. Eur Heart J 2022. [DOI: 10.1093/eurheartj/ehab849.030] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Abstract
Funding Acknowledgements
Type of funding sources: Private company. Main funding source(s): Johnson & Johnson KK
OnBehalf
OCVC Arrhythmia Investigators
Background
Predicting heart rate (HR) after restoration of sinus rhythm (SR) remains one of the challenges when performing catheter ablation (CA) of persistent atrial fibrillation (AF).
Purpose
To evaluate the association between pre-ablation HR during AF and post-ablation HR during SR, and whether the HR reduction is associated with AF recurrence.
Methods
The analysis was performed from the EARNEST-PVI trial, a randomized controlled trial designed to assess a CA strategy for persistent AF, which was conducted in the Osaka region of Japan. After excluding patients with beta-blocker prescription, a total of 216 patients (median age, 67 years; 20% female; 23% long-standing persistent AF) with AF rhythm at baseline and SR at discharge were enrolled in this study. Baseline HR during AF and post-ablation HR during SR was measured on admission and at discharge using the 12-lead electrocardiograms, respectively.
Results
There was a mild correlation between baseline HR (median 82 [interquartile range 72-95] bpm) and post-ablation HR (78 [48-117] bpm) (r = 0.27, p <0.001). Reduction in HR was positively associated with baseline HR (r = 0.79, p <0.001) and was negatively associated with post-ablation HR (r = - 0.37, p <0.001). During the follow-up of 1 year, 56 patients (25.9%) experienced AF recurrence. HR reduction had the higher diagnostic accuracy in predicting AF recurrence than HR at baseline and HR after CA (area under the curve, 0.625; 95% confidence interval, 0.557–0.690; p = 0.003). AF recurrence rate was significantly higher in 141 patients with smaller HR reduction (cut-off, <14bpm) than those with larger HR reduction (31.9% vs. 14.7%, p = 0.009). After adjustment of age, gender, long-standing persistent AF, and CA strategy, HR reduction of <14 bpm was a significant predictor of AF recurrence (hazard ratio, 2.32; 95% confidence interval, 1.20–4.51; p = 0.013).
Conclusions
There was a mild correlation between HR during AF and HR after restoration of SR in patients underwent CA of persistent AF. HR reduction after restoration of SR predicted AF recurrence.
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Yoneda T, Tanaka T, Bando K, Choi B, Chang R, Fujiwara Y, Gupta P, Ham D, Karasawa H, Kuwae S, Lee S, Moriya Y, Takakura K, Tsurumaki Y, Watanabe T, Yoshimura K, Nomura M. Nonclinical and quality assessment of cell therapy products: Report on the 4th Asia Partnership Conference of Regenerative Medicine, April 15, 2021. Cytotherapy 2022; 24:892-904. [DOI: 10.1016/j.jcyt.2022.01.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2021] [Revised: 01/17/2022] [Accepted: 01/21/2022] [Indexed: 11/03/2022]
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Watanabe T, Sadahira T, Edamura K, Kobayashi Y, Araki M. Evaluating renal tumors by SPARE can save the effort of making three-dimensional imaging. Eur Urol 2022. [DOI: 10.1016/s0302-2838(22)01065-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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Fukami K, Inagaki T, Iwashita T, Nakanishi H, Nishimori N, Takano S, Takemura Y, Taniuchi T, Watanabe T, Yamaguchi H, Tanaka H. Iron lamination and interlaminar insulation for high-frequency pulsed magnets. THE REVIEW OF SCIENTIFIC INSTRUMENTS 2022; 93:023301. [PMID: 35232164 DOI: 10.1063/5.0074226] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/07/2021] [Accepted: 01/12/2022] [Indexed: 06/14/2023]
Abstract
In high-frequency pulsed magnets, such as kickers in particle accelerators, it is essential to reduce eddy currents that could be induced in the magnet core during excitation not to distort and attenuate the magnetic field pulse. A novel iron lamination scheme with additional interlaminar insulation is proposed for the magnet core of such pulsed magnets. A laminated steel sheet core is formed by alternately stacking thin steel and insulation sheets. For application to matched kicker magnets for accelerators, test magnets with the new and conventional iron lamination were designed, assembled, and extensively evaluated. The pulsed magnetic field waveforms of two test magnets with the new lamination successfully matched to below 0.1% over the entire pulse duration, which was significantly better than those with the conventional lamination. Among the applications of the developed high-frequency pulsed magnets, beam injection kickers for the coming next generation light sources and future colliders, where suppression of the transient stored-beam oscillation during beam injection is crucial, are considered to be promising.
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Terasawa K, Gede AIP, Nyoman AI, Maruo SJ, Kalampakorn S, Watanabe T, Sasamori F, Kobayashi K, Akasaki H, Okuhara M, Uchiyama R, Ashida K, Tabuchi H, Kayama M, Futagami T, Nagai T. Implementation of a health education program in Asia, comparing Thailand, Indonesia, and Japan. Technol Health Care 2022; 30:775-785. [PMID: 35068424 PMCID: PMC9398071 DOI: 10.3233/thc-202583] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
BACKGROUND: The global community is faced with aging societies, which will result in increased health care costs. we have been introducing our International Organization for Standardization (ISO)-certified health education system in Thailand and Indonesia. OBJECTIVE: The purpose of this study was to collect data on the effects of this ISO-certified health education system, to extend the healthy life expectancy and to study the feasibility of implementing this program and in new social contexts. METHODS: We implemented the health education program recruiting 43, 114 and 119 participants, respectively, in Japan, Thailand and Indonesia. The participants’ conditions before and after the program were determined through anthropometry, physical fitness tests, blood chemistry tests, brain function tests and pedometry. RESULTS: Regarding pedometry, the Japanese participants took the highest number of daily steps on average, followed by the Indonesian and Thai participants. In the 10-m obstacle walk, the Thai and Indonesian participants had significantly increased times. Furthermore, the differentiation reaction time, reverse differentiation reaction time, total number of “misses”, total number of “mistakes” and total number of errors significantly improved.
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Takemori K, Matsuo T, Watanabe T, Ebara S, Chikugo T, Kometani T. Effects of Inadequate Folate Intake on the Onset and Progression of Hypertensive Vascular Injury. J Nutr Sci Vitaminol (Tokyo) 2021; 67:310-316. [PMID: 34719616 DOI: 10.3177/jnsv.67.310] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Abstract
We investigated the effects of inadequate folate intake on the onset and progression of hypertensive organ injury. In the present study, 5-wk-old male stroke-prone spontaneously hypertensive rats (SHRSP) were fed with a normal-folate (control; 160-170 μg of folate/100 g diet) or low-folate (8-10 μg of folate/100 g diet) diet until they reached 25 wk of age. After the animals reached 10 wk of age, the bodyweight of the rats in the low-folate group was lower than that of the rats in the control group. Regarding blood pressure, both groups had severe hypertension of ≥230 mmHg at 12 wk of age that was not significantly different between the groups. At 16 wk of age, the low-folate group had a low number of blood cell types. The folate levels in the serum, liver, and kidneys of these rats were significantly lower (p<0.01) and the serum homocysteine level in the low-folate group was significantly higher than in the controls. The low-folate group had a significantly lower testicular weight than the control group (p<0.05) and arterial hypertrophy, spermatogenesis arrest, and interstitial connective tissue hyperplasia were observed. However, there was no clear difference in lesions in other organs. These results indicated that under low folate status, SHRSP causes hematopoietic disorders and exacerbates hypertensive vascular injury at various degrees by organ type.
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Yamada T, Watanabe T, Morita T, Kawasaki M, Kikuchi A, Kawai T, Seo M, Nakamura J, Kayama K, Fukunami M. Prognostic value of the combination of pulmonary-systemic pressure ratio and a new systemic inflammation-nutrition index in patients admitted for acute decompensated heart failure. Eur Heart J 2021. [DOI: 10.1093/eurheartj/ehab724.1010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Abstract
Background
Concomitant presence of pulmonary hypertension in heart failure (HF) is associated with increased adverse events and may be related to interventricular uncoupling and impaired cardiac efficiency. It has recently been shown that an increased mean pulmonary artery pressure to mean systemic arterial pressure ratio (MPS ratio), a marker of interventricular coupling and efficiency, is associated with worse clinical outcomes in patients with advanced HF. On the other hand, systemic inflammation plays a critical role in the outcomes of heart failure, and malnutrition is also associated with poor outcome in heart failure patients It has been recently reported that advanced lung cancer inflammation index (ALI), which is calculated as body mass index × serum albumin / neutrophil to lymphocyte ratio (NLR), is an independent prognostic marker in several types of cancer. However, there is no information available on the prognostic value of the combination of MPS ratio and ALI in patients with acute decompensated HF (ADHF).
Methods and results
We studied 219 patients admitted for ADHF, who underwent right heart catheterization at the admission and were discharged with survival. During a follow up period of 5.1±4.2 yrs, 57 had cardiovascular death (CVD). MPS ratio was significantly greater (0.401±0.107 vs 0.346±0.105, p=0.0009) and ALI was significantly smaller (34.2±18.7 vs 52.0±27.1, p<0.0001) in patients with than without CVD At multivariate Cox analysis, MPS ratio and ALIwere significantly associated with CVD, independently of eGFR and prior heart failure hospitalization, after the adjustment with left ventricular end-diastolic dimension and serum sodium level. The patients with both greater MPS ratio>0.350 (AUC 0.652 [0.569–0.735]) and smaller ALI <35.767 (AUC 0.714 [0.636–0.792]) had a significantly increased risk of CVD than those with either greater MPS or smaller ALI and none of them (67% vs 22% vs 11%, p<0.0001, respectively).
Conclusion
The combination of MPS ratio and ALI might be useful for stratifying ADHF patients at higher risk for CVD.
Funding Acknowledgement
Type of funding sources: None.
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Watanabe T, Tachibana K, Shinoda Y, Minamisaka T, Inui H, Ueno K, Inoue S, Hoshida S. Impact of low-dose or under-dose direct oral anticoagulant on coagulation and fibrinolytic markers in patients with atrial fibrillation. Eur Heart J 2021. [DOI: 10.1093/eurheartj/ehab724.0561] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Abstract
Background
Atrial fibrillation (AF) is known to increase the risks of cerebral and systemic embolism. Apart from vitamin K antagonists, edoxaban, a direct oral anticoagulant (DOAC), has been approved for oral anticoagulation in patients with non-valvular AF. On the other hand, DOACs are sometimes prescribed at off-label under-doses for patients who have undergone ablation for AF. Prothrombin fragment F1+2 is an activation peptide released from prothrombin during thrombin formation. The purpose of this study is to compare the effects of DOAC doses on coagulation and fibrinolytic markers.
Methods and results
A total of 88 patients with AF (age: 68±11 years, male:45%, paroxysmal AF n=49, persistent AF n=39) were recruited. All patients were received edoxaban (60mg or 30mg) once a day. For the purpose of the study, patients were divided into three groups according to whether they had been treated before the ablation procedure under an appropriate standard dose group (n=30 [34.1%]), appropriate low-dose group (n=35 [39.8%]), or off-label under-dose group (n=23 [26.1%]). We examined the coagulation and fibrinolytic markers, and echocardiographic parameters before ablation. All patients were followed up for 12 months after AF ablation. Creatinine clearance was significantly higher in appropriate standard-dose group than in appropriate low-dose or off-label under-dose group (101.1±38.4, 57.1±15.9 and 73.2±14.6 mL/min, respectively; P<0.001). There were no significant baseline differences in AF type, history of stroke/transient ischemic attack (TIA), plasma B-type natriuretic peptide, protein C, fibrinogen, D-dimer level, left ventricular ejection fraction or left atrium dimension among the three groups. Prothrombin fragment F1+2 level was significantly lower in the appropriate standard-dose group than the appropriate low-dose and off-label under-dose groups (105.9±29.4, 142.6±41.3 and 142.8±84.9 pmol/L, respectively; P=0.011, Figure). One patient in the appropriate low-dose group had a TIA and 1 patient in the off-label under-dose group had a bleeding event during the follow up period after ablation.
Conclusion
Our results suggest that an appropriate standard dose of edoxaban is needed to suppress hypercoagulability in patients with AF.
Funding Acknowledgement
Type of funding sources: None. Prothrombin fragment F1+2 level
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Saito Y, Otaki Y, Watanabe T, Wanezaki M, Kutsuzawa D, Tamura H, Kato S, Nishiyama S, Arimoto T, Takahashi H, Watanabe M. Effect of endothelial nitric oxide synthase gene polymorphism on cardiovascular death and nonfatal myocardial infarction in Japanese general population. Eur Heart J 2021. [DOI: 10.1093/eurheartj/ehab724.2461] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
Abstract
Introduction
Single nucleotide polymorphisms (SNP) of endothelial nitric oxide synthase (NOS3) have been reported to be associated with diabetes mellitus and myocardial infarction. However, few reports have prospectively investigated the effects of NOS3 SNP on cardiovascular death and nonfatal myocardial infarction.
Purpose
The purpose of this study was to investigate the impact of NOS3 SNP on cardiovascular death and the development of nonfatal myocardial infarction.
Methods
This prospective cohort study included 2,752 subjects (aged ≥40) who participated in a community based health checkup. We genotyped two SNPs within NOS3 (rs1808593, rs1799983). All subjects were prospectively followed during the median follow-up period of 15.4 years with the end point of cardiovascular death and nonfatal myocardial infarction.
Results
The homozygous G-allele (GG), heterozygous (GT), and homozygous T-allele (TT) carriers of rs1808593 were identified in 60 (2%), 706 (26%), and 1,986 (72%) subjects, respectively. Kaplan-Meier analysis demonstrated that homozygous G-allele carriers of rs1808593 had the greater risk than those without. Multivariate Cox proportional hazard regression analysis revealed that the homozygous G allele of rs1808593 was associated with cardiovascular death and the development of nonfatal myocardial infarction after adjusting for confounding risk factors.
Conclusions
NOS3 gene polymorphism could be a genetic risk factor for cardiovascular death and nonfatal myocardial infarction in the Japanese general population.
Funding Acknowledgement
Type of funding sources: None. Figure 1
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Ito S, Yamada T, Watanabe T, Morita T, Furukawa Y, Tamaki S, Kawasaki M, Kikuchi A, Kawai T, Seo M, Nakamura J, Kayama K, Kawahira M, Ueda K, Fukunami M. Prognostic value of sarcopenia and malnutrition in patients admitted for acute decompensated heart failure with reduced or preserved left ventricular ejection fraction. Eur Heart J 2021. [DOI: 10.1093/eurheartj/ehab724.1016] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Abstract
Background
Sarcopenia and malnutrition are associated with poor clinical outcome in patients with chronic heart failure. However, there is little information available on the prognostic significance of the combination of sarcopenia and malnutrition in patients with acute decompensated heart failure (ADHF), relating to reduced or preserved left ventricular ejection fraction (HFrEF or HFpEF).
Methods
We prospectively studied 543 consecutive ADHF patients who survived to discharge (HFrEF [LVEF <45%] n=245 and HFpEF [LVEF≥45%] n=298). At the discharge, sarcopenia and malnutrition was evaluated by free-fat mass index (FFMI) and geriatric nutrition risk index (GNRI), respectively. FFMI was calculated as follows: FFMI = (7.38 + 0.02908 × urinary creatinine [mg/day])/ (height in meter)2. Sarcopenia was defined as FFMI <17 kg/m2 in men and <15 kg/m2 in women. GNRI was calculated as follows: 14.89 × serum albumin (g/dl) + 41.7 × BMI/22, and malnutrition was defined as GNRI<92. The endpoint was all-cause death.
Results
During a follow-up period of 2.8±1.4 years, 161 patients had all-cause death. Multivariate Cox analysis showed that both FFMI and GNRI were independently associated with all-cause death in both HFrEF (p=0.0064 and p<0.0001, respectively) and HFpEF patients (p=0.0140 and p=0.0007, respectively) after adjustment for relevant baseline clinical and study characteristics. In HFrEF, patients with both sarcopenia and malnutrition had a significantly higher risk of the total mortality than those with either or none of them. On the other hand, in HFpEF, patients with both and either sarcopenia or malnutrition had a significantly higher risk of the total mortality than those with none of them, while there was no significant difference in the risk between both and either sarcopenia or malnutrition.
Conclusions
Sarcopenia or malnutrition at discharge was associated with all-cause death even in ADHF patients, irrespective of reduced or preserved LVEF. The combination of sarcopenia and malnutrition could provide prognostic information in ADHF patients with reduced LVEF.
Funding Acknowledgement
Type of funding sources: None. Figure 1
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Okada M, Inoue K, Tanaka N, Masuda M, Furukawa Y, Hirata A, Egami Y, Watanabe T, Minamiguchi H, Miyoshi M, Sunaga A, Sotomi Y, Dohi T, Hikoso S, Sakata Y. Reappraising the role of baseline plasma C-reactive protein levels on recurrence after catheter ablation of persistent atrial fibrillation: insight from EARNEST-PVI trial. Eur Heart J 2021. [DOI: 10.1093/eurheartj/ehab724.0507] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
Abstract
Background
Subclinical inflammation is an important pathogenesis of developing and sustaining atrial fibrillation (AF). Because AF itself contribute to the inflammatory response, the role of baseline subclinical inflammation on AF recurrence after catheter ablation (CA) remains controversial in patients with persistent AF.
Purpose
To evaluate whether baseline plasma C-reactive protein (CRP) levels, a sensitive marker of inflammation, are associated with AF recurrence following CA.
Methods
The analysis was performed from the EARNEST-PVI trial, a randomized controlled trial designed to assess a CA strategy for persistent AF, which was conducted in the Osaka region of Japan. A total of 441 patients (median age, 67 years; 26% female; 25% long-standing persistent AF) whose plasma CRP levels were measured at baseline were included in this study.
Results
At baseline, a median (interquartile range) of plasma CRP level was 0.10 [0.06–0.19] mg/dl. Plasma CRP levels significantly increased at discharge (0.83 [0.21–1.84] mg/dl, p<0.001) and decreased 1 year after CA (0.10 [0.05–0.20] mg/dl, p=0.040) compared to the baseline value. During the follow-up of 1 year, 115 patients (26%) experienced AF recurrence, and the incidence was significantly higher in 124 patients with low CRP levels at baseline (cut-off ≤0.06 mg/dl) than the other 317 patients (33.9% vs. 23.0%, p=0.017). After adjustment of age, gender, body mass index, long-standing persistent AF, CA strategy, and plasma brain natriuretic peptide levels, low plasma CRP levels was a significant predictor of AF recurrence (hazard ratio, 1.51; 95% confidence interval, 1.02–2.24; p=0.042).
Conclusions
Low plasma CRP levels at baseline predicted AF recurrence in the EARNEST-PVI trial. Reappraising the role of CRP on AF recurrence may be needed in patients with persistent AF.
Funding Acknowledgement
Type of funding sources: Private company. Main funding source(s): Johnson & Johnson KK
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Yamada T, Watanabe T, Morita T, Kawasaki M, Kikuchi A, Kawai T, Seo M, Nakmura J, Kayama K, Fukunami M. Prognostic value of simple risk index and plasma volume status in patients with acute decompensated heart failure. Eur Heart J 2021. [DOI: 10.1093/eurheartj/ehab724.1007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
Abstract
Background
Increased heart rate (HR) and low systolic blood pressure (SBP) are associated with adverse clinical outcomes in patients admitted for acute decompensated heart failure (ADHF), and simple risk index (SRI) based on easily assessed clinical characteristics (age, HR, and SBP) provides prognostic information. On the other hand, plasma volume (PV) expansion plays an essential role in heart failure, and PV status is has been reported to be associated with adverse outcomes in ADHF patients. However, there is no information available on the value of the combination of SRI and PV status in patients admitted for ADHF.
Methods and results
We studied 301 patients admitted for ADHF. At the admission, SRI was calculated as (HR x [age/10]2)/SBP. PV status was calculated as the following: Actual PV = (1 − hematocrit) x [a + (b x body weight)] (a=1530 in males and a=864 in females, b=41 in males and b=47.9 in females), Ideal PV = c x body weight (c=39 in males and c=40 in females), and PV status = [(actual PV − ideal PV)/ideal PV] x 100(%). During a follow-up period of 4.3±3.2 yrs, 95 patients had all-cause death (ACD) and 68 patients had cardiovascular death (CVD). At multivariate Cox analysis, SRI and PV status were significantly associated with ACD and CVD, independently of the prior history of heart failure hospitalization and serum creatinine and sodium levels, after the adjustment with serum albumin level and anemia. Patients with both greater SRI (≥35.1 by ROC analysis; AUC 0.599 [0.524–0.674]) and greater PV status (≥8.1% by ROC analysis; AUC 0.625 [0.550–0.700]) had a significantly higher risk of ACD and CVD than those with either or none of them (ACD: 49% vs 27% vs 24%, p<0.0001, CVD: 39% vs 18% vs 15%, p<0.0001,respectively).
Conclusion
The combination of SRI and PV status might be useful for stratifying patients at risk for the total mortality and cardiovascular death in patients with ADHF.
Funding Acknowledgement
Type of funding sources: None.
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