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Kageyama I, Hashiguchi N, Cao J, Niwa M, Lim Y, Tsutsumi M, Yu J, Sengoku S, Okamoto S, Hashimoto S, Kodama K. Determination of Waste Management Workers' Physical and Psychological Load: A Cross-Sectional Study Using Biometric Data. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2022; 19:ijerph192315964. [PMID: 36498046 PMCID: PMC9739088 DOI: 10.3390/ijerph192315964] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/12/2022] [Revised: 11/18/2022] [Accepted: 11/23/2022] [Indexed: 06/13/2023]
Abstract
Waste management workers experience high stress and physical strain in their work environment, but very little empirical evidence supports effective health management practices for waste management workers. Hence, this study investigated the effects of worker characteristics and biometric indices on workers' physical and psychological loads during waste-handling operations. A biometric measurement system was installed in an industrial waste management facility in Japan to understand the actual working conditions of 29 workers in the facility. It comprised sensing wear for data collection and biometric sensors to measure heart rate (HR) and physical activity (PA) based on electrocardiogram signals. Multiple regression analysis was performed to evaluate significant relationships between the parameters. Although stress level is indicated by the ratio of low frequency (LF) to high frequency (HF) or high LF power in HR, the results showed that compared with workers who did not handle waste, those who did had lower PA and body surface temperature, higher stress, and lower HR variability parameters associated with higher psychological load. There were no significant differences in HR, heart rate interval (RRI), and workload. The psychological load of workers dealing directly with waste was high, regardless of their PA, whereas others had a low psychological load even with high PA. These findings suggest the need to promote sustainable work relationships and a quantitative understanding of harsh working conditions to improve work quality and reduce health hazards.
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Mori S, Ito Y, Kishida T, Fukagawa T, Nakano T, Makino K, Mizusawa M, Shirai S, Honda Y, Tsutsumi M, Sakamoto Y, Kobayashi N, Araki M, Yamawaki M, Hirano K. Occurrence and clinical course of peri-stent contrast staining: comparison between second-generation drug-eluting stents and third generation drug-eluting stents. Eur Heart J 2020. [DOI: 10.1093/ehjci/ehaa946.1322] [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
Background
Peri-stent contrast staining (PSS) has been reported to be associated with very late stent thrombosis.
The aims of this study was to compare the occurrence rate of PSS between second generation drug-eluting stents (2nd DES) and third generation drug-eluting stents (3rd DES), and to identify clinical characteristics associated with PSS.
Methods and results
This study comprised 1899 patients with 2493 de novo lesions treated with 2nd or 3rd DES from October 2015 to September 2018. Follow-up angiography was available for 1883 lesions (75.5%). There were 725 patients with 968 lesions treated with 2nd DES, and 716 patients with 915 lesions treated with 3rd DES. The occurrence of PSS, types of PSS, and VLST related to PSS were compared between 2nd and 3rd DES implantation. Mean follow-up period was 30±12 months. The occurrence rate of PSS and segmental type of PSS were similar between two groups (2nd DES vs. 3rd DES, 1.5% vs. 1.7%, p=0.73, 47% vs. 50%, p=0.85, and respectively). The VLST related to PSS occurred in only one case in 3rd DES group. (0% vs. 6.3%, p=0.33).
Conclusion
The occurrence rate of PSS and clinical course were similar between 2nd and 3rd DES.
Funding Acknowledgement
Type of funding source: None
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Morinaga Y, Nii K, Sakamoto K, Inoue R, Mitsutake T, Hanada H, Tsutsumi M. [A Case of Rapidly Progressing High-grade B-cell Lymphoma with <i>c-Myc</i> Translocation and Bcl-2 Protein Expression]. NO SHINKEI GEKA. NEUROLOGICAL SURGERY 2019; 47:1179-1184. [PMID: 31761780 DOI: 10.11477/mf.1436204096] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
We report a case of rapidly progressing primary high-grade B-cell lymphoma of the central nervous system with <i>c-Myc</i> translocation and Bcl-2 protein expression that resulted in the patient's death 45 days after the onset of convulsions. Further, we provide a literature review. CASE:A 74-year-old man was admitted to our hospital for convulsions. Magnetic resonance imaging on admission showed tumorous lesions at the left temporoparietal junction. An open biopsy was performed promptly. The patient was diagnosed with primary high-grade B-cell lymphoma of the central nervous system with <i>c-Myc</i> translocation and Bcl-2 protein expression(<50%). The tumor showed rapid progression postoperatively. The patient did not respond to steroids and died 45 days after the onset of convulsions. CONCLUSION:The <i>c-Myc</i> translocation, showing a strong c-Myc protein positivity, and co-expression of the Bcl-2 protein were poor prognostic factors for the tumor.
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Asano T, Okamoto K, Nakai Y, Tsutsumi M, Muro R, Suematsu A, Hashimoto K, Okamura T, Ehata S, Nitta T, Takayanagi H. Soluble RANKL is physiologically dispensable but accelerates tumour metastasis to bone. Nat Metab 2019; 1:868-875. [PMID: 32694743 DOI: 10.1038/s42255-019-0104-1] [Citation(s) in RCA: 47] [Impact Index Per Article: 9.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/12/2019] [Accepted: 07/19/2019] [Indexed: 12/22/2022]
Abstract
Receptor activator of NF-κB ligand (RANKL) is a multifunctional cytokine known to affect immune and skeletal systems, as well as oncogenesis and metastasis1-4. RANKL is synthesized as a membrane-bound molecule, and cleaved into its soluble form by proteases5-7. As the soluble form of RANKL does not contribute greatly to bone remodelling or ovariectomy-induced bone loss8, whether soluble RANKL has a role in pathological settings remains unclear. Here we show that soluble RANKL promotes the formation of tumour metastases in bone. Mice that selectively lack soluble RANKL (Tnfsf11ΔS/ΔS)5-7,9 have normal bone homoeostasis and develop a normal immune system but display markedly reduced numbers of bone metastases after intracardiac injection of RANK-expressing melanoma and breast cancer cells. Deletion of soluble RANKL does not affect osteoclast numbers in metastatic lesions or tumour metastasis to non-skeletal tissues. Therefore, soluble RANKL is dispensable for physiological regulation of bone and immune systems, but has a distinct and pivotal role in the promotion of bone metastases.
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Morinaga Y, Nii K, Hiraoka F, Sakamoto K, Inoue R, Mitsutake T, Eto A, Hanada H, Tsutsumi M. [A Case of Spinal Cord Injury with Consciousness Disorder without Radiographic Evidence of Trauma]. NO SHINKEI GEKA. NEUROLOGICAL SURGERY 2019; 47:475-479. [PMID: 31061234 DOI: 10.11477/mf.1436203965] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
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Toshikuni N, Matsue Y, Minato T, Hayashi N, Tsutsumi M. Association between transforming growth factor-β1 -509 C>T variants and hepatocellular carcinoma susceptibility: a meta-analysis. Neoplasma 2019; 63:961-966. [PMID: 27596296 DOI: 10.4149/neo_2016_615] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
The transcriptional activity of transforming growth factor-β (TGF-β) is increased in subjects with hepatocellular carcinoma (HCC). Recent studies have indicated that the -509C genotype in hepatitis B virus (HBV)-infected subjects and the -509T genotype in hepatitis C virus (HCV)-infected subjects can increase the transcriptional activity of the TGF-β1 gene. We conducted a meta-analysis to clarify whether these two hepatitis viruses affect the association between TGF-β1 C-509T variants and HCC susceptibility. Using data derived from 8 case-control studies available in the PubMed database (5 with Asian and 3 with Caucasian populations), including 1,427 cases and 3,735 controls [1,610 patients with chronic liver disease and 2,125 healthy controls], we calculated pooled odds ratios with corresponding 95% confidence intervals. We used dominant (TT + CT vs. CC), recessive (TT vs. CC + CT), and co-dominant (TT vs. CC and CT vs. CC) genetic models. An overall analysis showed no association between the TGF-β1 C-509T variants and HCC susceptibility for all models. In contrast, a subgroup analysis, based on the infecting hepatitis viruses, provided the following results. Among the cases and controls with chronic liver disease, the TGF-β1 C-509T variants were significantly associated with decreased HCC susceptibility for two models with HBV-infected subjects, whereas the variants were significantly associated with increased HCC susceptibility for one model with HCV-infected subjects. Among the cases and healthy controls, there was a significant association between the TGF-β1 C-509T variants and increased HCC susceptibility for two models involving HCV-infected subjects. Among the cases and the entire control group, the same results were obtained for all genetic models with HCV-infected subjects. Although further data accumulation is required, our results suggest that these two hepatitis viruses affect the association between TGF-β1 C-509T variants and HCC susceptibility in opposite manners.
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Nii K, Eto A, Hiraoka F, Tsutsumi M. [A Case of Successful Drug Management with Dabigatran and Idarucizumab to Address Embolic and Hemorrhagic Complications for Asymptomatic and Traumatic Subdural Hematoma with Non-valvular Atrial Fibrillation]. NO SHINKEI GEKA. NEUROLOGICAL SURGERY 2018; 46:983-988. [PMID: 30458435 DOI: 10.11477/mf.1436203852] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
A 93-year-old woman incurred a head bruise 5 days prior to presentation, and head CT revealed right subacute subdural hematoma. As she was on direct oral anti-coagulant(DOAC)treatment for non-valvular atrial fibrillation(NVAF), the DOAC administration was stopped temporarily to prevent an increase in the size of the hematoma. Dabigatran treatment was initiated after the confirmation of no change in hematoma size and the follow-up CT revealed a reduction in the hematoma. However, left upper limb paresis occurred on day 12 of dabigatran treatment and head CT revealed the onset of right chronic subdural hematoma. Emergency burr hole surgery was performed after intravenous administration of idarucizumab to neutralize the dabigatran. Her neurologic symptoms improved after the operation and no recurrence of subdural hematoma was observed even after dabigatran treatment was resumed. Dabigatran could be administered relatively safely, even for subacute intracranial hemorrhage complicated with NVAF, suggesting the possibility of the prevention of ischemic stroke. Moreover, even when intracranial hemorrhage recurred, the prompt neutralizing effect of idarucizumab, a dabigatran-specific neutralizing agent, was useful in the surgical intervention and perioperative management.
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Makino K, Ito Y, Hirano K, Yamawaki M, Araki M, Kobayashi N, Mori S, Sakamoto Y, Tsutsumi M, Honda Y, Tokuda T, Shigemitsu S. P3570Impact of nutritional status on clinical outcomes in critical limb ischemia with tissue loss after endovascular treatment. Eur Heart J 2018. [DOI: 10.1093/eurheartj/ehy563.p3570] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Kobayashi N, Ito Y, Hirano K, Yamawaki M, Araki M, Sakai T, Sakamoto Y, Mori S, Tsutsumi M, Nauchi M, Honda Y, Makino K, Shirai S. P2630Comparison of tissue characteristics in restenosis lesion between bioabsorbable polymer drug-eluting stent and durable polymer drug-eluting stent. Eur Heart J 2018. [DOI: 10.1093/eurheartj/ehy565.p2630] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
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Tsutsumi M, Ito Y, Hirano K, Yamawaki M, Araki M, Kobayashi N, Mori S, Sakamoto Y, Honda Y, Tokuda T, Makino K, Shirai S. P791Comparison between a novel bioabsorbable polymer everolimus-eluting stent and a durable polymer everolimus-eluting stent. Eur Heart J 2018. [DOI: 10.1093/eurheartj/ehy564.p791] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Katakami N, Harada T, Murata T, Shinozaki K, Tsutsumi M, Yokota T, Arai M, Tada Y, Narabayashi M, Boku N. Randomized phase III and extension studies: efficacy and impacts on quality of life of naldemedine in subjects with opioid-induced constipation and cancer. Ann Oncol 2018; 29:1461-1467. [PMID: 32151367 PMCID: PMC6005145 DOI: 10.1093/annonc/mdy118] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
BACKGROUND The efficacy and safety of naldemedine (a peripherally acting µ-opioid receptor antagonist) for opioid-induced constipation (OIC) in subjects with cancer was demonstrated in the primary report of a phase III, double-blind study (COMPOSE-4) and its open-label extension (COMPOSE-5). The primary end point, the proportion of spontaneous bowel movement (SBM) responders, was met. Here, we report results from secondary end points, including quality of life (QOL) assessments from these studies. PATIENTS AND METHODS In COMPOSE-4, eligible adults with OIC and cancer were randomly assigned 1:1 to receive once-daily oral naldemedine 0.2 mg (n = 97) or placebo (n = 96) for 2 weeks, and those who continued on to COMPOSE-5 received naldemedine for 12 weeks (n = 131). Secondary assessments in COMPOSE-4 included the proportion of complete SBM (CSBM) responders, SBM or CSBM responders by week, and subjects with ≥1 SBM or CSBM within 24 h postinitial dose. Changes from baseline in the frequency of SBMs or CSBMs per week were assessed at weeks 1 and 2. Time to the first SBM or CSBM postinitial dose was also evaluated. In both studies, QOL impact was evaluated by Patient Assessment of Constipation-Symptoms (PAC-SYM) and PAC-QOL questionnaires. RESULTS Naldemedine improved bowel function for all secondary efficacy assessments versus placebo (all P ≤ 0.0002). The timely onset of naldemedine activity versus placebo was evidenced by median time to the first SBM (4.7 h versus 26.6 h) and CSBM (24.0 h versus 218.5 h) postinitial dose (all P < 0.0001). In COMPOSE-4, significant differences between groups were observed with the PAC-SYM stool domain (P = 0.045) and PAC-QOL dissatisfaction domain (P = 0.015). In COMPOSE-5, significant improvements from baseline were observed for overall and individual domain scores of PAC-SYM and PAC-QOL. CONCLUSIONS Naldemedine provided effective and timely symptomatic relief from OIC and improved the QOL of subjects with OIC and cancer. TRIAL REGISTRATION ID: www.ClinicalTrials.jp: JAPIC-CTI-132340 (COMPOSE-4) and JAPIC-CTI-132342 (COMPOSE-5).
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Kawaguchi M, Nii K, Sakamoto K, Kawahara K, Inoue R, Hiraoka F, Morinaga Y, Mitsutake T, Hanada H, Tsutsumi M. [The Efficacy of Percutaneous Transluminal Angioplasty and Stenting for Traumatic Vertebral Artery Dissection due to Cervical Vertebral Fracture]. NO SHINKEI GEKA. NEUROLOGICAL SURGERY 2018; 46:133-138. [PMID: 29449518 DOI: 10.11477/mf.1436203689] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
A 73-year-old man was admitted at another hospital after a traffic accident. The diagnosis was cervical vertebral fracture. Despite conservative treatment, 5 days later he manifested dysarthria due to cerebellar infarction and was transferred to our hospital. Imaging studies revealed right vertebral arterial dissection at the level of the axial fracture. We performed percutaneous transluminal angioplasty with stenting to address his subacute vertebral artery dissection prior to treating the cervical vertebral fracture using external fixation. His clinical course was good;ischemia did not recur after stenting and his dysarthria disappeared upon rehabilitation. Cerebral angiograms obtained 6 months later revealed no significant in-stent restenosis. While medical management tends to be the first-line treatment of traumatic vertebral artery dissection, percutaneous transluminal angioplasty with stenting is necessary before treating other traumatic lesions to prevent neurologic events.
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Nii K, Hanada H, Hiraoka F, Eto A, Mitsutake T, Tsutsumi M. Usefulness of Consciousness Sedation with Dexmedetomidine and Pentazocine during Endovascular Treatment for Acute Stroke. Neurol Med Chir (Tokyo) 2018; 58:79-84. [PMID: 29269633 PMCID: PMC5830527 DOI: 10.2176/nmc.oa.2017-0188] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/05/2022] Open
Abstract
We investigated the safety and efficacy of consciousness sedation with dexmedetomidine (DEX) during the endovascular treatment of patients with acute cerebral infarction. Between April 2014 and November 2016, 38 stroke patients underwent endovascular thrombectomy (EVT) under local anesthesia and DEX consciousness sedation. The continuous intravenous administration of low-dose DEX (0.3–0.4 μg/kg/h) was started before entering the operating room. Patients not completely immobilized received an iv bolus of pentazocine (PTZ) and/or DEX (0.5–0.6 μg/kg/h). EVT was performed using a stent retriever and/or direct thrombo-aspiration. DEX sedation was stopped as soon as the operation was finished. A stent retriever was used in 8 (21.1%), direct thrombo-aspiration in 10 (26.3%), a stent retriever plus thrombo-aspiration in 14 (36.8%), and other devices in 6 patients (15.8%). Reperfusion exceeding 50% (thrombolysis in cerebral infarction >2b) was obtained in 30 patients (78.9%). DEX sedation alone immobilized 24 patients (63.2%), 14 (36.8%) required the additional injection of DEX or PTZ when EVT devices were navigated to the lesion. The administration of DEX and PTZ elicited no significant respiratory depression or cardiac dysfunction interfering with the procedures. Consciousness sedation by DEX was effective during the endovascular treatment of acute stroke patients. Under DEX sedation and the injection of PTZ, EVT was possible without significantly changing the patients’ vital signs.
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Tsutsumi M, Ito Y, Hirano K, Yamawaki M, Araki M, Kobayashi N, Sakamoto Y, Mori S, Takama T, Honda Y, Tokuda T, Makino K, Shirai S. P5188Long-term clinical outcomes after polymer-free paclitaxel-coated stent implantation for femoropopliteal disease in comparison with bare metal stent. Eur Heart J 2017. [DOI: 10.1093/eurheartj/ehx493.p5188] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Makino K, Hirano K, Yamawaki M, Araki M, Kobayashi N, Mori S, Sakamoto Y, Tsutsumi M, Takama T, Honda Y, Takahiro T, Shirai S, Ito Y. P5202The effectiveness of ultrasound-guided tibial artery endovascular interventions for chronic total occlusion lesions in critical limb ischemia. Eur Heart J 2017. [DOI: 10.1093/eurheartj/ehx493.p5202] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Kobayashi N, Hirano K, Yamawaki M, Araki M, Sakamoto Y, Mori S, Tsutsumi M, Honda Y, Tokuda T, Makino K, Shirai S, Ito Y. P5215Severity of angiographic dissection and future restenosis after balloon angioplasty for femoropopliteal disease. Eur Heart J 2017. [DOI: 10.1093/eurheartj/ehx493.p5215] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Eto A, Sakata N, Nagai R, Shirakawa JI, Inoue R, Kiyomi F, Nii K, Aikawa H, Iko M, Tsutsumi M, Sakamoto K, Hiraoka F, Mitsutake T, Hanada H, Kazekawa K. N ε-(carboxymethyl)lysine Concentration in Debris from Carotid Artery Stenting Correlates Independently with Signal Intensity on T1-Weighted Black-Blood Magnetic Resonance Images. J Stroke Cerebrovasc Dis 2017; 26:1341-1348. [PMID: 28314627 DOI: 10.1016/j.jstrokecerebrovasdis.2017.02.005] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2016] [Revised: 01/27/2017] [Accepted: 02/02/2017] [Indexed: 11/27/2022] Open
Abstract
BACKGROUND AND PURPOSE Because magnetic resonance imaging (MRI) focuses on the morphological characteristics of carotid artery plaques, its diagnostic value with respect to plaque vulnerability is limited. We examined the correlation between Nε-(carboxymethyl)lysine (CML), a main chemical structure of advanced glycation end-products, and the vulnerability of plaques visualized on MRI scans. MATERIALS AND METHODS We enrolled 43 patients who had undergone carotid artery stenting (CAS) for carotid artery stenosis; all underwent MRI studies, including black-blood MRI and diffusion-weighted imaging (DWI). The signal intensity ratio (SIR) of plaques to adjacent sternocleidomastoid muscle (P/M) on T1- and T2-weighted images (T1WI, T2WI) was calculated. Protein samples were extracted from debris trapped by a filter device. The concentrations of CML and myeloperoxidase (MPO) were measured by solid-phase enzyme-linked immunosorbent assay. RESULTS The patients were classified into 2 groups based on their SIR-P/M on T1WI and T2WI scans. We observed a higher incidence of post-CAS DWI lesions in patients with a higher than a lower SIR-P/M on T1WI; the CML and MPO concentrations in their CAS debris were also higher. No such differences were seen in patients with a higher or lower SIR-P/M on T2WI scans. The concentration of CML in CAS debris correlated independently with the SIR-P/M on T1WI of the carotid plaques, and was related to the concentration of MPO in CAS debris. CONCLUSIONS Our findings suggest CML as a candidate molecular imaging probe for the identification of vulnerable plaques.
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Murata T, Katakami N, Harada T, Shinozaki K, Tsutsumi M, Yokota T, Arai M, Suzuki Y, Narabayashi M, Boku N. Treatment of opioid-induced constipation with naldemedine in patients with cancer: onset of action in a randomized phase 3 trial. Ann Oncol 2016. [DOI: 10.1093/annonc/mdw390.34] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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Nii K, Tsutsumi M, Maeda H, Aikawa H, Inoue R, Eto A, Sakamoto K, Mitsutake T, Hanada H, Kazekawa K. Comparison of Flow Impairment during Carotid Artery Stenting Using Two Types of Eccentric Filter Embolic Protection Devices. Neurol Med Chir (Tokyo) 2016; 56:759-765. [PMID: 27319302 PMCID: PMC5221774 DOI: 10.2176/nmc.oa.2016-0036] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022] Open
Abstract
We investigated the angiographic findings and the clinical outcomes after carotid artery stenting (CAS) using two different, eccentric filter embolic protection devices (EPDs). Between July 2010 and August 2015, 175 CAS procedures were performed using a self-expandable closed-cell stent and a simple eccentric filter EPD (FilterWire EZ in 86 and Spider FX in 89 procedures). The angiographic findings (i.e., flow impairment and vasospasm) at the level of EPDs, neurologic events, and post-operative imaging results were compared between the FilterWire EZ and the Spider FX groups. The CAS was angiographically successful in all 175 procedures. However, the angiographs were obtained immediately after CAS-detected flow impairment in the distal internal carotid artery (ICA) in 11 (6.3%) and ICA spasms at the level of the EPD in 40 cases (22.9%). The incidence of these complications was higher with FilterWire EZ than Spider FX (ICA flow impairment of 10.5% vs. 2.2%, P = 0.03; vasospasm 30.2% vs. 15.7%, P = 0.03). There were nine neurologic events (5.1%); five patients were presented with transient ischemic attacks, three had minor strokes, and one had a major stroke. New MRI lesions were seen in 25 (29.1%) FilterWire-group and in 36 (40.4%) Spider-group patients. The neurologic events and new MRI lesions were not associated with the type of EPD used. Although the ICA flow impairment may result in neurologic events, there was no significant association between the FilterWire EZ and the Spider FX CAS with respect to the incidence of neurologic events by the prompt treatment such as catheter aspiration.
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Tsutsumi M, Kitahata H, Fukuda M, Kumamoto J, Goto M, Denda S, Yamasaki K, Aiba S, Nagayama M, Denda M. Numerical and comparative three‐dimensional structural analysis of peripheral nerve fibres in epidermis of patients with atopic dermatitis. Br J Dermatol 2015; 174:191-4. [DOI: 10.1111/bjd.13974] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Matsumoto Y, Iko M, Tsutsumi M, Mitsutake T, Eto A, Nii K, Nakai K, Oishi H, Aikawa H, Kazekawa K. The Safety and Efficacy of Triple Antiplatelet Therapy after Intracranial Stent-Assisted Coil Embolization. J Stroke Cerebrovasc Dis 2015; 24:1513-9. [DOI: 10.1016/j.jstrokecerebrovasdis.2015.03.010] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2014] [Revised: 01/23/2015] [Accepted: 03/12/2015] [Indexed: 10/23/2022] Open
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Imai Y, Tsutsumi M, Tsunenari T, Nishikawa M, Matsui T, Natazuka T, Fujita T. Therapeutic trial of hematological disorders with intermittent administration of high-dose 1-alpha-hydroxyvitamin D3. CONTRIBUTIONS TO NEPHROLOGY 2015; 91:95-101. [PMID: 1800016 DOI: 10.1159/000420163] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
Aplastic anemia and myelodysplastic syndrome were successfully treated with an intermittent administration of high-dose 1 alpha-hydroxy-vitamin D3, an active analogue of 1,25-dihydroxyvitamin D3. This effect was considered to be through the differentiation-inducing and immunomodulatory actions of 1,25-dihydroxyvitamin D3. The only adverse effect was hypercalciuria which was controllable by decreasing the dose.
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Takeuchi M, Sakasai-Sakai A, Takata T, Ueda T, Takino J, Tsutsumi M, Hyogo H, Yamagishi S. Serum levels of toxic AGEs (TAGE) may be a promising novel biomarker in development and progression of NASH. Med Hypotheses 2015; 84:490-3. [PMID: 25697114 DOI: 10.1016/j.mehy.2015.02.002] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2014] [Accepted: 02/04/2015] [Indexed: 12/13/2022]
Abstract
Nonalcoholic fatty liver disease (NAFLD) ranges from simple steatosis to nonalcoholic steatohepatitis (NASH), leads to fibrosis and potentially cirrhosis, liver failure, and hepatocellular carcinoma, and is one of the most common causes of liver disease worldwide. NAFLD has also been implicated in other medical conditions such as insulin resistance, obesity, metabolic syndrome, hyperlipemia, hypertension, cardiovascular disease, and diabetes. Continuous hyperglycemia has been implicated in the pathogenesis of diabetic micro- and macro-vascular complications via various metabolic pathways, and numerous hyperglycemia-induced metabolic and hemodynamic conditions exist, including the increased generation of various types of advanced glycation end-products (AGEs). We recently demonstrated that glyceraldehyde-derived AGEs (Glycer-AGEs), the predominant components of toxic AGEs (TAGE), played an important role in the pathogenesis of angiopathy in diabetic patients. Moreover, a growing body of evidence suggests that the interaction between TAGE and the receptor for AGEs may alter intracellular signaling, gene expression, and the release of pro-inflammatory molecules and also elicits the generation of oxidative stress in numerous types of cells including hepatocytes and hepatic stellate cells. Serum levels of TAGE were significantly higher in NASH patients than in those with simple steatosis and healthy controls. Moreover, serum levels of TAGE inversely correlated with adiponectin (adiponectin is produced by adipose tissue and is an anti-inflammatory adipokine that can increase insulin sensitivity). Furthermore, immunohistochemical staining of TAGE showed intense staining in the livers of patients with NASH. Serum levels of TAGE may be a useful biomarker for discriminating NASH from simple steatosis. The administration of atorvastatin (10 mg daily) for 12 months significantly improved NASH-related metabolic parameters and significantly decreased serum levels of TAGE. The steatosis grade and NAFLD activity score were also significantly improved. These results demonstrated that atorvastatin decreased the serum levels of TAGE in NASH patients with dyslipidemia and suggest the usefulness of TAGE as a biomarker for the attenuation of NASH. Serum levels of TAGE were significantly higher in non-B or non-C hepatocellular carcinoma (NBNC-HCC) patients than in NASH subjects without HCC or control subjects. TAGE may be involved in the pathogenesis of NBNC-HCC, and could, therefore, be a biomarker that could discriminate NBNC-HCC from NASH. We propose that serum levels of TAGE are promising novel targets for the diagnosis of and therapeutic interventions against NASH.
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Tsuda S, Yoshida T, Tsutsumi M, Saito K. Characteristics and verification of a car-borne survey system for dose rates in air: KURAMA-II. JOURNAL OF ENVIRONMENTAL RADIOACTIVITY 2015; 139:260-265. [PMID: 24698118 DOI: 10.1016/j.jenvrad.2014.02.028] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/25/2013] [Revised: 02/25/2014] [Accepted: 02/27/2014] [Indexed: 06/03/2023]
Abstract
The car-borne survey system KURAMA-II, developed by the Kyoto University Research Reactor Institute, has been used for air dose rate mapping after the Fukushima Dai-ichi Nuclear Power Plant accident. KURAMA-II consists of a CsI(Tl) scintillation detector, a GPS device, and a control device for data processing. The dose rates monitored by KURAMA-II are based on the G(E) function (spectrum-dose conversion operator), which can precisely calculate dose rates from measured pulse-height distribution even if the energy spectrum changes significantly. The characteristics of KURAMA-II have been investigated with particular consideration to the reliability of the calculated G(E) function, dose rate dependence, statistical fluctuation, angular dependence, and energy dependence. The results indicate that 100 units of KURAMA-II systems have acceptable quality for mass monitoring of dose rates in the environment.
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Nii K, Nakai K, Tsutsumi M, Aikawa H, Iko M, Sakamoto K, Mitsutake T, Eto A, Hanada H, Kazekawa K. A manual carotid compression technique to overcome difficult filter protection device retrieval during carotid artery stenting. J Stroke Cerebrovasc Dis 2014; 24:210-4. [PMID: 25440341 DOI: 10.1016/j.jstrokecerebrovasdis.2014.08.022] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2014] [Revised: 07/17/2014] [Accepted: 08/22/2014] [Indexed: 11/16/2022] Open
Abstract
BACKGROUND We investigated the incidence of embolic protection device retrieval difficulties at carotid artery stenting (CAS) with a closed-cell stent and demonstrated the usefulness of a manual carotid compression assist technique. METHODS Between July 2010 and October 2013, we performed 156 CAS procedures using self-expandable closed-cell stents. All procedures were performed with the aid of a filter design embolic protection device. We used FilterWire EZ in 118 procedures and SpiderFX in 38 procedures. The embolic protection device was usually retrieved by the accessory retrieval sheath after CAS. We applied a manual carotid compression technique when it was difficult to navigate the retrieval sheath through the deployed stent. We compared clinical outcomes in patients where simple retrieval was possible with patients where the manual carotid compression assisted technique was used for retrieval. RESULTS Among the 156 CAS procedures, we encountered 12 (7.7%) where embolic protection device retrieval was hampered at the proximal stent terminus. Our manual carotid compression technique overcame this difficulty without eliciting neurologic events, artery dissection, or stent deformity. CONCLUSIONS In patients undergoing closed-cell stent placement, embolic protection device retrieval difficulties may be encountered at the proximal stent terminus. Manual carotid compression assisted retrieval is an easy, readily available solution to overcome these difficulties.
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