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Kumagai M, Shinohara H, Kodama H. Possible contribution of better maternal psychological well-being to the acquisition of sleeping through the night in infants during the early postpartum period. Infant Behav Dev 2023; 72:101872. [PMID: 37542836 DOI: 10.1016/j.infbeh.2023.101872] [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: 07/10/2022] [Revised: 07/07/2023] [Accepted: 07/31/2023] [Indexed: 08/07/2023]
Abstract
The objective of this study was to elucidate whether better maternal psychological well-being contributes to the acquisition of "sleeping through the night" (STN) in infants during the early postpartum period. Fifty-two primiparous mothers completed the General Health Questionnaire-28 (GHQ-28) in the third trimester (prenatal) and when the conceptional ages of their babies reached 8-9 weeks (hereafter, 2 months), 12-13 weeks (3 months), and 16-17 weeks (4 months). They also recorded babies' nocturnal sleep patterns in a timetable for 5 consecutive days each month postpartum. "Regular STN" was defined when the mean of longest nocturnal sleep duration for 5 consecutive days was > 8 h or between 6 and 8 h with < 1.0 nocturnal awakenings. According to these criteria, a total of 14 infants (27 %) acquired regular STN at 4 months (referred to as "STN infants"), with STN infants showing a marked increase in longest nocturnal sleep duration and a decrease in nocturnal awakenings from 2 to 3 months of age. The mothers of STN infants demonstrated steady reductions in postnatal GHQ-28 scores and had significantly lower prenatal GHQ-28 scores compared with the mothers of non-STN infants (3.7 ± 3.0 vs. 6.4 ± 4.1, p = 0.027). In random forest models for binomial classification, both prenatal and postnatal (at 4 months) GHQ-28 scores were identified as significant covariates for distinguishing STN infants, and other important covariates, including weeks of delivery, stepfamily, birth weight of the infant, and maternal co-sleeping at bedtime, were selected. Among these covariates, maternal co-sleeping at bedtime had relatively stronger correlations with both STN infants (r = - 0.440) and prenatal maternal GHQ-28 scores (r = 0.377). In conclusion, because prenatal maternal psychological well-being was thought to predict the acquisition of STN in infants, infants born from mothers with better psychological well-being appear to have some advantages in acquiring STN. These cross-lagged correlations suggest that the pathway from mothers to infants may be mediated by certain parenting behaviors, such as maternal co-sleeping at bedtime.
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Affiliation(s)
- Mayuko Kumagai
- Department of Maternity Nursing, Akita University Graduate School of Medicine and Faculty of Medicine, School of Health Science, Japan
| | | | - Hideya Kodama
- Department of Maternity Nursing, Akita University Graduate School of Medicine and Faculty of Medicine, School of Health Science, Japan.
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Asaka Y, Mitani Y, Ohta H, Nakazawa T, Fukutomi R, Kobayashi K, Kumagai M, Shinohara H, Yoshida M, Ando A, Yoshimura Y, Nakagawa M, Oishi Y, Mizushima M, Adachi H, Kaneshi Y, Morioka K, Seto Y, Shimabukuro R, Hirata M, Ikeda T, Ozawa M, Takeshima M, Manabe A, Takahashi T, Mishima K, Kikuchi M, Yoda H, Kusakawa I, Cho K. Preterm toddlers have low nighttime sleep quality and high daytime activity. Sci Rep 2022; 12:20032. [PMID: 36414705 PMCID: PMC9681750 DOI: 10.1038/s41598-022-24338-8] [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] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2021] [Accepted: 11/14/2022] [Indexed: 11/23/2022] Open
Abstract
A number of studies have been made on the sleep characteristics of children born preterm in an attempt to develop methods to address the sleep problems commonly observed among such children. However, the reported sleep characteristics from these studies vary depending on the observation methods used, i.e., actigraphy, polysomnography and questionnaire. In the current study, to obtain reliable data on the sleep characteristics of preterm-born children, we investigated the difference in sleep properties between 97 preterm and 97 term toddlers of approximately 1.5 years of age using actigraphy. Actigraphy units were attached to the toddlers' waists with an adjustable elastic belt for 7 consecutive days, and a child sleep diary was completed by their parents. In the study, we found that preterm toddlers had more nocturnal awakenings and more daytime activity, suggesting that preterm-born children may have a different process of sleep development in their early development.
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Affiliation(s)
- Yoko Asaka
- grid.260026.00000 0004 0372 555XDepartment of Maternal and Child Health Nursing, Mie University Graduate School of Medicine, Edobashi 2-174, Tsu, 514-8507 Japan
| | - Yusuke Mitani
- grid.9707.90000 0001 2308 3329Department of Pediatrics, Kanazawa University, 13-1 Takara-Machi, Kanazawa, 920-8640 Japan
| | - Hidenobu Ohta
- grid.251924.90000 0001 0725 8504Department of Neuropsychiatry, Akita University Graduate School of Medicine, 1-1-1 Hondo, Akita, 010-8543 Japan ,grid.416859.70000 0000 9832 2227Department of Sleep-Wake Disorders, National Institute of Mental Health, National Center of Neurology and Psychiatry, 4-1-1 Ogawa-Higashi-Cho, Kodaira, Tokyo 187-8553 Japan ,Department of Psychiatry, Asai Hospital, 38-1 Togane, Chiba, 283-0062 Japan ,grid.251924.90000 0001 0725 8504Department of Occupational Therapy, Akita University Graduate School of Medicine, 1-1-1 Hondo, Akita, 010-8543 Japan
| | - Takayo Nakazawa
- grid.412167.70000 0004 0378 6088Maternity and Perinatal Care Center, Hokkaido University Hospital, N15, W7, Kita-Ku, Sapporo, 060-8638 Japan
| | - Rika Fukutomi
- grid.419588.90000 0001 0318 6320Department of Pediatric Nursing, Graduate School of Nursing Science, St. Luke’s International University, 10-1 Akashi-Cho, Chuo-Ku, Tokyo, 104-0044 Japan
| | - Kyoko Kobayashi
- grid.419588.90000 0001 0318 6320Department of Pediatric Nursing, Graduate School of Nursing Science, St. Luke’s International University, 10-1 Akashi-Cho, Chuo-Ku, Tokyo, 104-0044 Japan
| | - Mayuko Kumagai
- grid.251924.90000 0001 0725 8504Department of Nursing, Akita University Graduate School of Medicine, 1-1-1 Hondo, Akita, 010-8543 Japan
| | - Hitomi Shinohara
- grid.462295.e0000 0004 0370 9568Graduate School of Nursing, Hyogo University, 2301 Shinzaike, Hiraoka-Cho, Kakogawa, 675-0195 Japan
| | - Michiko Yoshida
- grid.39158.360000 0001 2173 7691Department of Nursing, Faculty of Health Sciences, Hokkaido University, N12, W5, Kita-Ku, Sapporo, 060-0812 Japan
| | - Akiko Ando
- grid.412167.70000 0004 0378 6088Maternity and Perinatal Care Center, Hokkaido University Hospital, N15, W7, Kita-Ku, Sapporo, 060-8638 Japan
| | - Yuko Yoshimura
- grid.9707.90000 0001 2308 3329Institute of Human and Social Sciences, Kanazawa University, Kakuma-Machi, Kanazawa, 921-1192 Japan ,grid.9707.90000 0001 2308 3329Research Center for Child Mental Development, Kanazawa University, 13-1 Takara-Machi, Kanazawa, 920-8640 Japan
| | - Machiko Nakagawa
- grid.430395.8Department of Pediatrics, St. Luke’s International Hospital, 9-1 Akashi-Cho, Chuo-Ku, Tokyo, 104-8560 Japan ,grid.452874.80000 0004 1771 2506Department of Neonatology, Toho University Omori Medical Center, 6-11-1 Omori-Nishi, Ota-Ku, Tokyo, 143-8541 Japan
| | - Yoshihisa Oishi
- grid.414929.30000 0004 1763 7921Department of Pediatrics, Japanese Red Cross Medical Center, 4-1-22 Hiroo, Shibuya-Ku, Tokyo, 150-8935 Japan
| | - Masato Mizushima
- Department of Neonatology, Sapporo City Hospital, N11, W13, Chuo-Ku, Sapporo, 060-8604 Japan
| | - Hiroyuki Adachi
- grid.251924.90000 0001 0725 8504Department of Pediatrics, Akita University Graduate School of Medicine, Hondo 1-1-1, Akita, 010-8543 Japan
| | - Yosuke Kaneshi
- grid.412167.70000 0004 0378 6088Maternity and Perinatal Care Center, Hokkaido University Hospital, N15, W7, Kita-Ku, Sapporo, 060-8638 Japan
| | - Keita Morioka
- grid.412167.70000 0004 0378 6088Maternity and Perinatal Care Center, Hokkaido University Hospital, N15, W7, Kita-Ku, Sapporo, 060-8638 Japan
| | - Yoshitaka Seto
- grid.412167.70000 0004 0378 6088Maternity and Perinatal Care Center, Hokkaido University Hospital, N15, W7, Kita-Ku, Sapporo, 060-8638 Japan
| | - Rinshu Shimabukuro
- grid.430395.8Department of Pediatrics, St. Luke’s International Hospital, 9-1 Akashi-Cho, Chuo-Ku, Tokyo, 104-8560 Japan ,grid.63906.3a0000 0004 0377 2305Department of General Pediatrics and Interdisciplinary Medicine, National Center for Child Health and Development, 2-10-1 Ohkura, Setagaya-Ku, Tokyo, 157-8535 Japan
| | - Michio Hirata
- grid.430395.8Department of Pediatrics, St. Luke’s International Hospital, 9-1 Akashi-Cho, Chuo-Ku, Tokyo, 104-8560 Japan ,grid.411827.90000 0001 2230 656XDepartment of Child Studies, Faculty of Human Sciences and Design, Japan Women’s University, 2-8-1 Mejirodai, Bunkyo-Ku, Tokyo, 112-8681 Japan
| | - Takashi Ikeda
- grid.9707.90000 0001 2308 3329Research Center for Child Mental Development, Kanazawa University, 13-1 Takara-Machi, Kanazawa, 920-8640 Japan
| | - Miwa Ozawa
- grid.430395.8Department of Pediatrics, St. Luke’s International Hospital, 9-1 Akashi-Cho, Chuo-Ku, Tokyo, 104-8560 Japan
| | - Masahiro Takeshima
- grid.251924.90000 0001 0725 8504Department of Neuropsychiatry, Akita University Graduate School of Medicine, 1-1-1 Hondo, Akita, 010-8543 Japan
| | - Atsushi Manabe
- grid.39158.360000 0001 2173 7691Department of Pediatrics, Hokkaido University Graduate School of Medicine, N15, W7, Kita-Ku, Sapporo, 060-8638 Japan
| | - Tsutomu Takahashi
- grid.251924.90000 0001 0725 8504Department of Pediatrics, Akita University Graduate School of Medicine, Hondo 1-1-1, Akita, 010-8543 Japan
| | - Kazuo Mishima
- grid.251924.90000 0001 0725 8504Department of Neuropsychiatry, Akita University Graduate School of Medicine, 1-1-1 Hondo, Akita, 010-8543 Japan
| | - Mitsuru Kikuchi
- grid.9707.90000 0001 2308 3329Research Center for Child Mental Development, Kanazawa University, 13-1 Takara-Machi, Kanazawa, 920-8640 Japan ,grid.9707.90000 0001 2308 3329Department of Psychiatry and Neurobiology, Kanazawa University, 13-1 Takara-Machi, Kanazawa, 920-8640 Japan
| | - Hitoshi Yoda
- grid.452874.80000 0004 1771 2506Department of Neonatology, Toho University Omori Medical Center, 6-11-1 Omori-Nishi, Ota-Ku, Tokyo, 143-8541 Japan
| | - Isao Kusakawa
- grid.430395.8Department of Pediatrics, St. Luke’s International Hospital, 9-1 Akashi-Cho, Chuo-Ku, Tokyo, 104-8560 Japan
| | - Kazutoshi Cho
- grid.412167.70000 0004 0378 6088Maternity and Perinatal Care Center, Hokkaido University Hospital, N15, W7, Kita-Ku, Sapporo, 060-8638 Japan
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Taguchi K, Shinohara H, Kodama H. A longitudinal investigation of the influence of psychological factors on nausea and vomiting in early pregnancy. Arch Womens Ment Health 2022; 25:995-1004. [PMID: 36040628 DOI: 10.1007/s00737-022-01262-4] [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: 03/14/2022] [Accepted: 08/22/2022] [Indexed: 11/25/2022]
Abstract
The purpose of this study was to elucidate psychological factors that may influence nausea and vomiting during pregnancy (NVP) progression in early pregnancy based on longitudinal observations. Fifty-nine pregnant women completed the Rhodes Index of Nausea, Vomiting, and Retching (RINVR) and General Health Questionnaire-28 (GHQ-28), and recorded their resting heart rate with photoplethysmography for 5 min to determine heart rate variability (HRV) indexes at 7-9 weeks and 11-13 weeks of gestation with a 4-week interval. GHQ-28 scores (total and subclasses) and HRV indexes at 7-9 weeks were compared among groups classified according to the presence of severe NVP (RINVR ≥ 9 points) at the two measurement points. Among women without severe NVP at 7-9 weeks, women who developed severe NVP at 11-13 weeks had significantly higher levels of anxiety/insomnia in the GHQ-28 subclasses (p = 0.018). The cross-lagged relationship from anxiety/insomnia at 7-9 weeks to RINVR at 11-13 weeks was significant (β = 0.367, p < 0.001). Among women with severe NVP at 7-9 weeks, women whose severe symptoms subsided at 11-13 weeks had significantly higher high-frequency (HF) power (p = 0.010), and women with relatively higher HF power demonstrated a significant reduction in RINVR (interaction effect, p = 0.035). During early pregnancy, women with strong anxiety/insomnia symptoms tend to have NVP symptoms that become more severe as the pregnancy progresses. The higher HF power in women whose severe NVP subsided within 4 weeks suggests a contribution of emotion regulation to early amelioration of NVP.
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Affiliation(s)
- Kanako Taguchi
- Department of Maternity Nursing, Akita University Graduate School of Medicine and Faculty of Medicine, School of Health Science, 1-1-1 Hondo, Akita-shi, 010-8543, Japan
| | | | - Hideya Kodama
- Department of Maternity Nursing, Akita University Graduate School of Medicine and Faculty of Medicine, School of Health Science, 1-1-1 Hondo, Akita-shi, 010-8543, Japan.
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Matsumoto A, Shinohara H, Suzuki H. Laparoscopic and open surgery in patients with transverse colon cancer: short-term and oncological outcomes. BJS Open 2021; 5:6369777. [PMID: 34518870 PMCID: PMC8438262 DOI: 10.1093/bjsopen/zrab078] [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: 03/08/2021] [Accepted: 07/26/2021] [Indexed: 11/13/2022] Open
Abstract
BACKGROUND Studies evaluating the outcomes after laparoscopic resections of transverse colon cancers are scant. This manuscript aimed to compare surgical and oncological outcomes after laparoscopic (Lap) and open procedures for transverse colon carcinomas. METHODS All consecutive patients who underwent resection for a cancer located in the transverse colon between 2003 and 2019 were reviewed. Patients were categorized according to the surgical approach (Lap versus open) and groups were compared. Outcome measures were the short-term results, complications and functional recovery; moreover, recurrence-free survival (RFS) and overall survival (OS) rates were compared overall and after propensity score matching (PSM) based on age, sex, ASA classification, BMI, carcinoembryonic antigen (CEA) level, use of postoperative chemotherapy, location of tumour, stage and grading, operation time, blood loss and complications. RESULTS Of 248 transverse resections reviewed, 146 (81 Lap and 65 open) were selected for data analysis. Blood loss, fluid intake and the incidence of wound infection were significantly lower and the hospital stay was significantly shorter in the Lap group (P < 0.001). The operation time and incidence of complications (Clavien-Dindo classification grade 3 or above) did not differ significantly between the two groups. Mean follow-up was of 75.4 months in the Lap group and 78.6 months in the open group. Regression analyses showed that OS was associated with the postoperative carcinoembryonic antigen (CEA) level (hazard ratio 1.18 (95 per cent c.i. 1.10 to 1.27); P < 0.001), BMI (hazard ratio 0.81 (95 per cent c.i. 0.68 to 0.96); P = 0.017), operation time (hazard ratio 0.99 (95 per cent c.i. 0.97 to 1.00; P = 0.010), and postoperative chemotherapy (hazard ratio 0.27 (95 per cent c.i. 0.08 to 0.96); P = 0.042), while RFS was associated with the postoperative CEA level (hazard ratio 1.13 (95 per cent c.i. 1.07 to 1.20); P < 0.001). PSM selected 42 patients for data comparison of long-term results, and showed no significant differences between groups (RFS: P = 0.530; OS: P = 0.561). CONCLUSION Lap and open resections for transverse colon cancer provided similar outcomes in terms of severe post-operative complication and long-term results.
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Affiliation(s)
- A Matsumoto
- Department of Surgery, Hanyu General Hospital, Hanyu, Japan
| | - H Shinohara
- Department of Surgery, Tsuchiura Kyodo General Hospital, Tsuchiura, Japan
| | - H Suzuki
- Department of Health Information System Management Technology Room, Tsuchiura Kyodo General Hospital, Tsuchiura, Japan
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Kudo N, Shinohara H, Kagabu S, Kodama H. Evaluation of salivary melatonin concentrations as a circadian phase maker of morning awakening and their association with depressive mood in postpartum mothers. Chronobiol Int 2021; 38:1409-1420. [PMID: 34100322 DOI: 10.1080/07420528.2021.1930028] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
Abstract
The disruption of circadian rhythm is closely related to mood disorders in night-shift workers, and a similar situation may occur in postpartum mothers. However, the situations of postpartum mothers remain largely unknown because of a lack of an appropriate circadian phase marker in the clinical setting. This study aimed to evaluate whether salivary melatonin concentration at awakening can identify misalignment between awakening time and the biological clock system, which might be associated with depressive mood in some mothers. Ninety-eight healthy mothers who were currently the primary parental caregivers were recruited at 1 month after delivery. All mothers completed the Edinburgh Postnatal Depression Scale (EPDS) and wore an actigraphy watch at home for 3 consecutive days to determine nocturnal sleep variables. While wearing the actigraphy watch, they also collected saliva samples during the awakening period for a melatonin concentration assay. The results indicated that daily salivary melatonin levels after 30 min of awakening (hereafter, melatonin levels) were positively correlated with sleep onset time and negatively correlated with sleep offset time and total sleep time. Six mothers with an EPDS score of ≥9 (the cutoff value for Japanese women at high risk for postnatal depression) had an average melatonin level of either <4 pg/ml or >16 pg/ml for 3 d. Mothers with melatonin levels <4 pg/ml or >16 pg/ml tended to have elevated EPDS scores (4.93 ± 2.95 or 4.20 ± 2.93, mean ± standard deviation) compared with mothers with melatonin levels between 4 and 16 pg/ml (3.00 ± 2.12, p = .053). Mothers whose melatonin levels were >16 pg/ml had relatively later sleep onset time and shorter nocturnal sleep duration. Backward stepwise regression demonstrated that such high/low levels of melatonin were a significant predictor of EPDS scores. These results suggest that elevated melatonin levels after 30 min of awakening could identify a phase-delayed circadian rhythm in postpartum mothers, and that relatively higher or lower melatonin levels could be associated with increased depressive mood.
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Affiliation(s)
- Naoko Kudo
- Department of Maternity Nursing, Akita University Graduate School of Medicine and Faculty of Medicine, School of Health Science, Akita-shi, Japan
| | - Hitomi Shinohara
- Department of Maternity Nursing, Akita University Graduate School of Medicine and Faculty of Medicine, School of Health Science, Akita-shi, Japan
| | | | - Hideya Kodama
- Department of Maternity Nursing, Akita University Graduate School of Medicine and Faculty of Medicine, School of Health Science, Akita-shi, Japan
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Abstract
Abstract
The development of deep learning technology has enabled machines to achieve high-level accuracy in interpreting medical images. While many previous studies have examined the detection of pulmonary nodules and cardiomegaly in chest X-rays using deep learning, the application of this technology to heart failure remains rare. In this study, we investigated the performance of a deep learning algorithm in terms of diagnosing heart failure using images obtained from chest X-rays. We used 952 chest X-ray images from a labeled database published by the National Institutes of Health. Two cardiologists respectively verified and relabeled these images, for a total of 260 “normal” and 378 “heart failure” images, and the remainder were discarded because they had been incorrectly labeled. In this study “heart failure” was defined as “cardiomegaly or congestion”, in a chest X-ray with cardiothoracic ratio (CTR) over 50% or radiographic presence of pulmonary edema. To enable the machine to extract a sufficient number of features from the images, we used the general machine learning approach called data augmentation and transfer learning. Owing mostly to this technique and the adequate relabeling process, we established a model to detect heart failure in chest X-ray by applying deep learning, and obtained an accuracy of 82%. Sensitivity and specificity to heart failure were 75% and 94.4%, respectively. Furthermore, heatmap imaging allowed us to visualize decisions made by the machine. The figure shows randomly selected examples of the prediction probabilities and heatmaps of the chest X-rays from the dataset. The original image is on the left and its heatmap is on the right, with its prediction probability written below. The red areas on the heatmaps show important regions, according to which the machine determined the classification. While some images with ambiguous radiolucency such as (e) and (f) were prone to be misdiagnosed by this model, most of the images like (a)–(d) were diagnosed correctly. Deep learning can thus help support the diagnosis of heart failure using chest X-ray images.
Heatmaps and probabilities of prediction
Funding Acknowledgement
Type of funding source: Public grant(s) – National budget only. Main funding source(s): JSPS KAKENHI
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Affiliation(s)
| | - S Kodera
- The University of Tokyo, Tokyo, Japan
| | | | - A Kiyosue
- The University of Tokyo, Tokyo, Japan
| | | | - H Akazawa
- The University of Tokyo, Tokyo, Japan
| | - I Komuro
- The University of Tokyo, Tokyo, Japan
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Shinohara H, Kodera S, Kiyosue A, Ando J, Morita H, Komuro I. Efficacy of fractional flow reserve-guided percutaneous coronary intervention for patients with angina pectoris: a network meta-analysis. Eur Heart J 2020. [DOI: 10.1093/ehjci/ehaa946.1469] [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: 11/14/2022] Open
Abstract
Abstract
Background
Evaluation of hemodynamic parameters, such as fractional flow reserve (FFR), is recommended before percutaneous coronary intervention (PCI) for patients with angina pectoris (AP). However, the advantage of FFR-guided PCI has not been fully established. A network meta-analysis (NMA) synthesizes the results of studies on multiple competing interventions. Moreover, no NMA has evaluated randomized controlled trials for AP to compare FFR-guided PCI and other treatments. To clarify whether FFR-guided PCI improves the prognosis in patients with AP, we performed this study.
Methods
Multiple databases were searched for studies published from 2000 to 2018. The search terms were based on Medical Subject Headings and keywords including “angioplasty”, “coronary artery bypass”, “percutaneous coronary intervention”, “coronary disease”, and “randomized controlled trial”. And an NMA was performed to compare outcomes of FFR-guided PCI, non-FFR-guided PCI, coronary artery bypass grafting (CABG), and medical treatment (MT) for AP based on estimated odds ratios (ORs). The primary endpoint was all-cause mortality. The secondary endpoints were the occurrence of MI. Treatments were ranked by the surface under the cumulative ranking curve.
Results
The study included 18,093 patients from 15 randomized controlled trials. No evidence of inconsistency was observed among the studies. The NMA showed that the all-cause mortality of FFR-guided PCI was not significantly different from that of the other treatment groups (CABG: OR, 1.1; 95% confidence interval [CI], 0.67–1.7; non-FFR-guided PCI: OR, 0.85; 95% CI, 0.53–1.4; and MT: OR, 0.83; 95% CI, 0.52–1.3). The NMA for myocardial infarction, which included 13,548 patients from 11 randomized controlled trials, showed that FFR-guided PCI tended to reduce the occurrence of myocardial infarction compared with MT (OR, 0.60; 95% CI, 0.36–1.0). According to the surface under the cumulative ranking curve, CABG was the best treatment, followed by FFR-guided PCI, non-FFR-guided PCI, and MT.
Conclusions
FFR-guided PCI for AP showed no significant prognostic improvement compared with non-FFR-guided PCI, CABG, and MT. CABG was the best treatment for AP, followed by FFR-guided PCI, non-FFR-guided PCI, and MT.
Network plot and interval plot
Funding Acknowledgement
Type of funding source: None
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Affiliation(s)
| | - S Kodera
- University of Tokyo Hospital, Tokyo, Japan
| | - A Kiyosue
- University of Tokyo Hospital, Tokyo, Japan
| | - J Ando
- University of Tokyo Hospital, Tokyo, Japan
| | - H Morita
- University of Tokyo Hospital, Tokyo, Japan
| | - I Komuro
- University of Tokyo Hospital, Tokyo, Japan
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Watanabe M, Shinohara H, Kodama H. Nocturnal oxygen desaturation in the late third trimester of uncomplicated pregnancy for prediction of late-onset gestational hypertension. J Obstet Gynaecol Res 2020; 46:1735-1743. [PMID: 32715551 DOI: 10.1111/jog.14362] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [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: 01/30/2020] [Revised: 04/29/2020] [Accepted: 06/05/2020] [Indexed: 12/21/2022]
Abstract
AIM This study aimed to determine whether 1-night screening of oxygen desaturation in women with uncomplicated pregnancy about 1 month before the due date is useful to predict late-onset gestational hypertension (GH) after 37 weeks of gestation. METHODS We recruited 102 women with uncomplicated pregnancy between 34 and 36 weeks of gestation. These women then completed the Pittsburgh Sleep Quality Index, Epworth Sleepiness Scale, and Berlin Questionnaire for obstructive sleep apnea, and recorded their oxygen saturation (SpO2 ) and physical acceleration profiles during nocturnal sleep for 1 night at home using a portable pulse oximeter and actigraph, respectively. Thereafter, their blood pressure was monitored weekly until delivery. RESULTS Pulse oximetry data between 34 and 36 weeks of gestation revealed that three women had an oxygen desaturation index (ODI) ≥5.0 and seven had a minimum SpO2 < 90%. During follow-up until delivery, two women with an ODI ≥5.0 and a minimum SaO2 <90% developed GH at 37 weeks of gestation. Among clinical measures at recruitment, body mass index (BMI) and pulse oximetry measures appeared available for the prediction of GH. The positive predictive values (95% confidence intervals) of the criteria using these measures were 0.67 (0.26-0.67) for ODI ≥5.0, 0.29 (0.10-0.35) for minimum SpO2 <90%, and 0.07 (0.02-0.07) for BMI ≥25.0. CONCLUSION For the prediction of late-onset GH after 37 weeks of gestation, pulse oximetry measures about 1 month before the due date are particularly useful because of their high positive predictive values.
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Affiliation(s)
- Minako Watanabe
- The Japanese Red Cross Akita College of Nursing, Akita, Japan
| | - Hitomi Shinohara
- Department of Maternity Child Nursing, Akita University Graduate School of Medicine and Faculty of Medicine, School of Health Science, Akita, Japan
| | - Hideya Kodama
- Department of Maternity Child Nursing, Akita University Graduate School of Medicine and Faculty of Medicine, School of Health Science, Akita, Japan
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Kono S, Kumamoto T, Kurahashi Y, Niwa H, Ishida Y, Shinohara H. A novel surgical strategy for the resection of duodenal gastrointestinal stromal tumours located close to the duodenal ampulla: a case report. Ann R Coll Surg Engl 2019; 102:e29-e32. [PMID: 31508985 DOI: 10.1308/rcsann.2019.0112] [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] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
Although the optimal surgical procedure for the resection of duodenal gastrointestinal stromal tumours has not yet been characterised due to the low prevalence of these tumours and the anatomical complexity of the duodenopancreatic region, difficult surgical procedures such as pancreaticoduodenectomy are often proposed for stromal tumours located in the second portion of the duodenum. Our case report highlights a novel surgical strategy that can be implemented as an alternative to pancreaticoduodenectomy for such tumours close to the duodenal ampulla. A 70-year-old man incidentally diagnosed with a stromal tumour close to the duodenal ampulla in the second portion of the duodenum underwent local resection guided by an endoscopic nasobiliary drainage tube with primary closure. This tube was converted to a percutaneous trans-small intestinal biliary drainage tube during the procedure to prevent biliary leakage biliary stasis due to swelling of the duodenal ampulla. He also underwent a simple distal gastrectomy with Roux-en-Y reconstruction. This resulted in successful R0 resection. There were no procedure-related complications or post-surgery weight changes. Our simple novel surgical strategy may therefore be useful for avoiding pancreaticoduodenectomy and maintaining quality of life in patients with stromal tumours close to the duodenal ampulla.
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Affiliation(s)
- S Kono
- Department of Surgery, Hyogo College of Medicine, Hyogo, Japan
| | - T Kumamoto
- Department of Surgery, Hyogo College of Medicine, Hyogo, Japan
| | - Y Kurahashi
- Department of Surgery, Hyogo College of Medicine, Hyogo, Japan
| | - H Niwa
- Department of Surgery, Hyogo College of Medicine, Hyogo, Japan
| | - Y Ishida
- Department of Surgery, Hyogo College of Medicine, Hyogo, Japan
| | - H Shinohara
- Department of Surgery, Hyogo College of Medicine, Hyogo, Japan
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Goodfriend NT, Heng SY, Nerushev OA, Gromov AV, Bulgakov AV, Okada M, Xu W, Kitaura R, Warner J, Shinohara H, Campbell EEB. Blister-based-laser-induced-forward-transfer: a non-contact, dry laser-based transfer method for nanomaterials. Nanotechnology 2018; 29:385301. [PMID: 29939157 DOI: 10.1088/1361-6528/aaceda] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
We show that blister-based-laser-induced forward-transfer can be used to cleanly desorb and transfer nano- and micro-scale particles between substrates without exposing the particles to the laser radiation or to any chemical treatment that could damage the intrinsic electronic and optical properties of the materials. The technique uses laser pulses to induce the rapid formation of a blister on a thin metal layer deposited on glass via ablation at the metal/glass interface. Femtosecond laser pulses are advantageous for forming beams of molecules or small nanoparticles with well-defined velocity and narrow angular distributions. Both fs and ns laser pulses can be used to cleanly transfer larger nanoparticles including relatively fragile monolayer 2D transition metal dichalcogenide crystals and for direct transfer of nanoparticles from chemical vapour deposition growth substrates, although the mechanisms for inducing blister formation are different.
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Affiliation(s)
- N T Goodfriend
- EastCHEM, School of Chemistry, University of Edinburgh, David Brewster Road, Edinburgh EH9 3FJ, United Kingdom. HiLASE Centre, Institute of Physics of the Czech Academy of Sciences, Za Radnici 828, 25241 Dolní Břežany, Czechia
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11
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Narita Y, Shinohara H, Kodama H. Resting Heart Rate Variability and the Effects of Biofeedback Intervention in Women with Low-Risk Pregnancy and Prenatal Childbirth Fear. Appl Psychophysiol Biofeedback 2018; 43:113-121. [DOI: 10.1007/s10484-018-9389-1] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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12
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Chernov AI, Fedotov PV, Lim HE, Miyata Y, Liu Z, Sato K, Suenaga K, Shinohara H, Obraztsova ED. Correction: Band gap modification and photoluminescence enhancement of graphene nanoribbon filled single-walled carbon nanotubes. Nanoscale 2018; 10:4147. [PMID: 29431827 DOI: 10.1039/c8nr90030b] [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] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
Correction for 'Band gap modification and photoluminescence enhancement of graphene nanoribbon filled single-walled carbon nanotubes' by A. I. Chernov et al., Nanoscale, 2018, DOI: 10.1039/c7nr07054c.
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Affiliation(s)
- A I Chernov
- Prokhorov General Physics Institute RAS, Moscow, 119991, Russia.
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13
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Chernov AI, Fedotov PV, Lim HE, Miyata Y, Liu Z, Sato K, Suenaga K, Shinohara H, Obraztsova ED. Band gap modification and photoluminescence enhancement of graphene nanoribbon filled single-walled carbon nanotubes. Nanoscale 2018; 10:2936-2943. [PMID: 29369315 DOI: 10.1039/c7nr07054c] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
Molecule encapsulation inside the single-walled carbon nanotube (SWCNT) core has been demonstrated to be a successful route for the modification of nanotube properties. SWCNT diameter-dependent filling results in band gap modification together with the enhancement of photoluminescence quantum yield. However, the interaction between the inner structure and the outer shell is complex. It depends on the orientation of the molecules inside, the geometry of the host nanotube and on several other mechanisms determining the resulting properties of the hybrid nanosystem. In this work we study the influence of encapsulated graphene nanoribbons on the optical properties of the host single-walled carbon nanotubes. The interplay of strain and dielectric screening caused by the internal environment of the nanotube affects its band gap. The photoluminescence of the filled nanotubes becomes enhanced when the graphene nanoribbons are polymerized inside the SWCNTs at low temperatures. We show a gradual photoluminescence quenching together with a selective signal enhancement for exact nanotube geometries, specifically (14,6) and (13,8) species. A precise adjustment of the optical properties and an enhancement of the photoluminescence quantum yield upon filling for nanotubes with specific diameters were assigned to optimal organization of the inner structures.
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Affiliation(s)
- A I Chernov
- Prokhorov General Physics Institute RAS, Moscow, 119991, Russia.
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Teramachi J, Inagaki Y, Shinohara H, Okamura H, Yang D, Ochiai K, Baba R, Morimoto H, Nagata T, Haneji T. PKR regulates LPS-induced osteoclast formation and bone destructionin vitroandin vivo. Oral Dis 2016; 23:181-188. [DOI: 10.1111/odi.12592] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2016] [Revised: 09/28/2016] [Accepted: 10/04/2016] [Indexed: 11/30/2022]
Affiliation(s)
- J Teramachi
- Department of Histology and Oral Histology; Institute of Biomedical Sciences; Tokushima University Graduate School; Tokushima Japan
| | - Y Inagaki
- Department of Periodontology and Endodontology; Institute of Biomedical Sciences; Tokushima University Graduate School; Tokushima Japan
| | - H Shinohara
- Department of Histology and Oral Histology; Institute of Biomedical Sciences; Tokushima University Graduate School; Tokushima Japan
- Department of Periodontology and Endodontology; Institute of Biomedical Sciences; Tokushima University Graduate School; Tokushima Japan
| | - H Okamura
- Department of Histology and Oral Histology; Institute of Biomedical Sciences; Tokushima University Graduate School; Tokushima Japan
| | - D Yang
- Department of Histology and Oral Histology; Institute of Biomedical Sciences; Tokushima University Graduate School; Tokushima Japan
| | - K Ochiai
- Department of Basic Science; School of Veterinary Nursing and Technology; Faculty of Veterinary Science; Nippon Veterinary and Life Science University; Musashino Tokyo Japan
| | - R Baba
- Department of Anatomy; School of Medicine; University of Occupational and Environmental Health; Kitakyushu Japan
| | - H Morimoto
- Department of Anatomy; School of Medicine; University of Occupational and Environmental Health; Kitakyushu Japan
| | - T Nagata
- Department of Periodontology and Endodontology; Institute of Biomedical Sciences; Tokushima University Graduate School; Tokushima Japan
| | - T Haneji
- Department of Histology and Oral Histology; Institute of Biomedical Sciences; Tokushima University Graduate School; Tokushima Japan
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Schiemer JA, Lascu I, Harrison RJ, Kumar A, Katiyar RS, Sanchez DA, Ortega N, Mejia CS, Schnelle W, Shinohara H, Heap AJF, Nagaratnam R, Dutton SE, Scott JF, Nair B, Mathur ND, Carpenter MA. Elastic and anelastic relaxation behaviour of perovskite multiferroics II: PbZr 0.53Ti 0.47O 3 (PZT)-PbFe 0.5Ta 0.5O 3 (PFT). J Mater Sci 2016; 52:285-304. [PMID: 27829689 PMCID: PMC5076019 DOI: 10.1007/s10853-016-0330-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 05/30/2016] [Accepted: 08/22/2016] [Indexed: 06/06/2023]
Abstract
Elastic and anelastic properties of ceramic samples of multiferroic perovskites with nominal compositions across the binary join PbZr0.53Ti0.47O3-PbFe0.5Ta0.5O3 (PZT-PFT) have been assembled to create a binary phase diagram and to address the role of strain relaxation associated with their phase transitions. Structural relationships are similar to those observed previously for PbZr0.53Ti0.47O3-PbFe0.5Nb0.5O3 (PZT-PFN), but the magnitude of the tetragonal shear strain associated with the ferroelectric order parameter appears to be much smaller. This leads to relaxor character for the development of ferroelectric properties in the end member PbFe0.5Ta0.5O3. As for PZT-PFN, there appear to be two discrete instabilities rather than simply a reorientation of the electric dipole in the transition sequence cubic-tetragonal-monoclinic, and the second transition has characteristics typical of an improper ferroelastic. At intermediate compositions, the ferroelastic microstructure has strain heterogeneities on a mesoscopic length scale and, probably, also on a microscopic scale. This results in a wide anelastic freezing interval for strain-related defects rather than the freezing of discrete twin walls that would occur in a conventional ferroelastic material. In PFT, however, the acoustic loss behaviour more nearly resembles that due to freezing of conventional ferroelastic twin walls. Precursor softening of the shear modulus in both PFT and PFN does not fit with a Vogel-Fulcher description, but in PFT there is a temperature interval where the softening conforms to a power law suggestive of the role of fluctuations of the order parameter with dispersion along one branch of the Brillouin zone. Magnetic ordering appears to be coupled only weakly with a volume strain and not with shear strain but, as with multiferroic PZT-PFN perovskites, takes place within crystals which have significant strain heterogeneities on different length scales.
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Affiliation(s)
- J. A. Schiemer
- Department of Earth Sciences, University of Cambridge, Downing Street, Cambridge, CB2 3EQ UK
| | - I. Lascu
- Department of Earth Sciences, University of Cambridge, Downing Street, Cambridge, CB2 3EQ UK
| | - R. J. Harrison
- Department of Earth Sciences, University of Cambridge, Downing Street, Cambridge, CB2 3EQ UK
| | - A. Kumar
- CSIR-National Physical Laboratory, Dr. K. S. Krishnan Marg, New Delhi, 110012 India
| | - R. S. Katiyar
- Department of Physics and Institute for Functional Nanomaterials, University of Puerto Rico, PO Box 23334, San Juan, PR 00931-3334 USA
| | - D. A. Sanchez
- Department of Physics and Institute for Functional Nanomaterials, University of Puerto Rico, PO Box 23334, San Juan, PR 00931-3334 USA
| | - N. Ortega
- Department of Physics and Institute for Functional Nanomaterials, University of Puerto Rico, PO Box 23334, San Juan, PR 00931-3334 USA
| | - C. Salazar Mejia
- Max Planck Institute for Chemical Physics of Solids, Nöthnitzer Straße 40, 01187 Dresden, Germany
| | - W. Schnelle
- Max Planck Institute for Chemical Physics of Solids, Nöthnitzer Straße 40, 01187 Dresden, Germany
| | - H. Shinohara
- Cavendish Laboratory, University of Cambridge, Madingley Road, Cambridge, CB3 0HE UK
| | - A. J. F. Heap
- Cavendish Laboratory, University of Cambridge, Madingley Road, Cambridge, CB3 0HE UK
| | - R. Nagaratnam
- Cavendish Laboratory, University of Cambridge, Madingley Road, Cambridge, CB3 0HE UK
| | - S. E. Dutton
- Cavendish Laboratory, University of Cambridge, Madingley Road, Cambridge, CB3 0HE UK
| | - J. F. Scott
- Cavendish Laboratory, University of Cambridge, Madingley Road, Cambridge, CB3 0HE UK
- School of Physics and Astronomy, University of St. Andrews, North Haugh, St. Andrews, KY16 9SS UK
| | - B. Nair
- Department of Materials Science, University of Cambridge, 27 Charles Babbage Road, Cambridge, CB3 0FS UK
| | - N. D. Mathur
- Department of Materials Science, University of Cambridge, 27 Charles Babbage Road, Cambridge, CB3 0FS UK
| | - M. A. Carpenter
- Department of Earth Sciences, University of Cambridge, Downing Street, Cambridge, CB2 3EQ UK
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Skaltsas T, Mountrichas G, Zhao S, Shinohara H, Tagmatarchis N, Pispas S. Single-Step Functionalization and Exfoliation of Graphene with Polymers under Mild Conditions. Chemistry 2015; 21:18841-6. [DOI: 10.1002/chem.201500278] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2015] [Indexed: 01/08/2023]
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Stergiou A, Gobeze HB, Petsalakis ID, Zhao S, Shinohara H, D'Souza F, Tagmatarchis N. Oligothiophene/graphene supramolecular ensembles managing light induced processes: preparation, characterization, and femtosecond transient absorption studies leading to charge-separation. Nanoscale 2015; 7:15840-15851. [PMID: 26358392 DOI: 10.1039/c5nr04875c] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
Advances in organic synthetic chemistry combined with the exceptional electronic properties of carbon allotropes, particularly graphene, is the basis used to design and fabricate novel electron donor-acceptor ensembles with desired properties for technological applications. Thiophene-based materials, which are mainly thiophene-containing polymers, are known for their notable electronic properties. In this frame moving from polymer to oligomer forms, new fundamental information would help for a better understanding of their electrochemical and photophysical properties. Furthermore, a successful combination of their electronic properties with those of graphene is a challenging goal. In this study, two oligothiophene compounds, which consist of three and nine thiophene-rings and are abbreviated 3T and 9T, respectively, were synthesized and noncovalently associated with liquid phase exfoliated few-layered graphene sheets (abbreviated eG), thus forming donor-acceptor 3T/eG and 9T/eG nanoensembes. Markedly, intra-ensemble electronic interactions between the two components in the ground and excited states were evaluated with the aid of UV-Vis and photoluminescence spectroscopy. Furthermore, redox assays revealed the one-electron oxidation of 3T accompanied by one-electron reduction due to eG in 3T/eG, whereas there were two reversible one-electron oxidations of 9T accompanied by one-electron reduction of eG9T/eG. The electrochemical band gap for the 3T/eG and 9T/eG ensembles were calculated and verified, in which the negative free-energy change for the charge-separated state of 3T/eG and 9T/eGvia the singlet excited state of 3T and 9T, respectively, were thermodynamically favorable. Finally, the results of transient pump-probe spectroscopy studies at the femtosecond time scale were supportive of charge transfer type interactions in the 3T/eG and 9T/eG ensembles. The estimated rates for intra-ensemble charge separation were found to be 9.52 × 10(9) s(-1) and 2.2 × 10(11) s(-1), respectively, for 3T/eG and 9T/eG in THF, which reveal moderate to ultrafast photoinduced events in the oligothiophene/graphene supramolecular ensembles.
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Affiliation(s)
- A Stergiou
- Theoretical and Physical Chemistry Institute, National Hellenic Research Foundation, 48 Vassileos Constantinou Avenue, Athens 11635, Greece.
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Nishigori T, Tsunoda S, Okabe H, Hirai K, Takahashi R, Hisamori S, Shinohara H, Sakai Y. SUN-PP142: Sarcopenic Obesity: A Predictor of Surgical Site Infection following Total Gastrectomy for Gastric Cancer. Clin Nutr 2015. [DOI: 10.1016/s0261-5614(15)30292-2] [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: 11/17/2022]
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Carpenter MA, Schiemer JA, Lascu I, Harrison RJ, Kumar A, Katiyar RS, Ortega N, Sanchez DA, Mejia CS, Schnelle W, Echizen M, Shinohara H, Heap AJF, Nagaratnam R, Dutton SE, Scott JF. Elastic and magnetoelastic relaxation behaviour of multiferroic (ferromagnetic + ferroelectric + ferroelastic) Pb(Fe0.5Nb0.5)O3 perovskite. J Phys Condens Matter 2015; 27:285901. [PMID: 26125192 DOI: 10.1088/0953-8984/27/28/285901] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
Resonant Ultrasound Spectroscopy has been used to characterize elastic and anelastic anomalies in a polycrystalline sample of multiferroic Pb(Fe(0.5)Nb(0.5))O(3) (PFN). Elastic softening begins at ~550 K, which is close to the Burns temperature marking the development of dynamical polar nanoregions. A small increase in acoustic loss at ~425 K coincides with the value of T(*) reported for polar nanoregions starting to acquire a static or quasi-static component. Softening of the shear modulus by ~30-35% through ~395-320 K, together with a peak in acoustic loss, is due to classical strain/order parameter coupling through the cubic → tetragonal → monoclinic transition sequence of ferroelectric/ferroelastic transitions. A plateau of high acoustic loss below ~320 K is due to the mobility under stress of a ferroelastic microstructure but, instead of the typical effects of freezing of twin wall motion at some low temperature, there is a steady decrease in loss and increase in elastic stiffness below ~85 K. This is attributed to freezing of a succession of strain-coupled defects with a range of relaxation times and is consistent with a report in the literature that PFN develops a tweed microstructure over a wide temperature interval. No overt anomaly was observed near the expected Néel point, ~145 K, consistent with weak/absent spin/lattice coupling but heat capacity measurements showed that the antiferromagnetic transition is actually smeared out or suppressed. Instead, the sample is weakly ferromagnetic up to ~560 K, though it has not been possible to exclude definitively the possibility that this could be due to some magnetic impurity. Overall, evidence from the RUS data is of a permeating influence of static and dynamic strain relaxation effects which are attributed to local strain heterogeneity on a mesoscopic length scale. These, in turn, must have a role in determining the magnetic properties and multiferroic character of PFN.
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Affiliation(s)
- M A Carpenter
- Department of Earth Sciences, University of Cambridge, Downing Street, Cambridge CB2 3EQ, UK
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Shinohara H, Urabe Y, Moriyama N. Scapular behavior during shoulder flexion with the shoulder posterior instability in archer. Physiotherapy 2015. [DOI: 10.1016/j.physio.2015.03.1341] [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: 11/16/2022]
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Watanabe M, Shinohara H, Kodama H. Impact of overnight oximetry findings on cardiac autonomic modulation in women during second trimester of uncomplicated pregnancy. J Obstet Gynaecol Res 2014; 41:689-96. [DOI: 10.1111/jog.12634] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2014] [Accepted: 10/08/2014] [Indexed: 11/29/2022]
Affiliation(s)
- Minako Watanabe
- The Japanese Red Cross Akita College of Nursing; Akita Japan
| | - Hitomi Shinohara
- Department of Maternity Child Nursing; Akita Graduate School of Medicine and Faculty of Medicine; School of Health Science; Akita Japan
| | - Hideya Kodama
- Department of Maternity Child Nursing; Akita Graduate School of Medicine and Faculty of Medicine; School of Health Science; Akita Japan
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Shinohara H, Urabe Y, Maeda N, Xie D, Sasadai J, Fujii E. Does shoulder impingement syndrome affect the shoulder kinematics and associated muscle activity in archers? J Sports Med Phys Fitness 2014; 54:772-779. [PMID: 25350034] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
BACKGROUND Archery related injuries, such as shoulder impingement syndrome are caused by repeated motion of the shoulder. The aim of this study was to analyze differences in the shoulder kinematics and the associated muscle activity between archers with shoulder impingement and uninjured archery players. METHODS Thirty male archers, who were divided into an impingement group and an uninjured group, were included in this study. The angle of scapular elevation, shoulder joint abduction, horizontal extension, and elbow joint flexion as well as the electromyographic activity of the upper trapezius, lower trapezius, deltoid middle, deltoid posterior, biceps brachii, and triceps brachii muscles at the point of stabilization during shooting were measured. Variables differing between impingement and uninjured groups were identified, and a stepwise regression analysis was performed to identify a combination of variables that effectively impingement syndrome. RESULTS The results indicated that the angle of scapular elevation was significantly greater than that uninjured group (P<0.05). The angle of horizontal extension in the impingement group was significantly smaller than that in the uninjured group (P<0.05). The angle of elbow flexion in the impingement group was significantly smaller than that in the uninjured group (P<0.05). The levels of upper trapezius and deltoid middle muscle activity were significantly higher in the impingement group, while the level of lower trapezius muscle activity was significantly lower (P<0.05) when compared to the uninjured group. The impingement group had a greater angle of scapular elevation, smaller angle of horizontal extension, smaller angle of elbow flexion, higher the levels of upper trapezius, lower the levels of lower trapezius, higher deltoid middle muscle activity and higher UT/LT ratio (all differences were significant). A logistic model for predicting impingement syndrome showed that UT/LT ratio was significantly related impingement syndrome (P<0.05). CONCLUSION The authors concluded that archers with shoulder impingement syndrome exhibit different kinematics and muscle activity compared to uninjured archers. Therefore, in order to prevent shoulder joint impingement during archery, training is necessary what can make lower trapezius muscle activity increased to decrease the UT/LT ratio.
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Affiliation(s)
- H Shinohara
- Graduate School of Biomedical and Health Sciences Hiroshima University, Kasumi 1‑2‑3 Minami‑ku, Hiroshima, Japan -
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Yoshida M, Shinohara H, Sugiyama T, Kumagai M, Muto H, Kodama H. Taste of milk from inflamed breasts of breastfeeding mothers with mastitis evaluated using a taste sensor. Breastfeed Med 2014; 9:92-7. [PMID: 24350703 PMCID: PMC3934511 DOI: 10.1089/bfm.2013.0084] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [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]
Abstract
BACKGROUND The refusal of infants to suckle from a breast that is inflamed with mastitis suggests that the taste of the milk has changed. However, the taste of milk from a breast with mastitis has never been empirically determined. The present study compares the taste of milk from breastfeeding mothers with or without mastitis and identifies specific changes in the taste of milk from mothers with mastitis. SUBJECTS AND METHODS The intensity of four basic tastes (sourness, saltiness, bitterness, and umami) of breastmilk from 24 healthy mothers at 3-5 days and at 2-3, 4-5, and 8-10 weeks postpartum and from 14 mothers with mastitis was determined objectively using a taste sensor. The intensity of each basic taste and the concentrations of main taste substances in milk were compared between the inflamed breasts and the normal breasts of control mothers or the contralateral asymptomatic breast of mothers with unilateral mastitis. RESULTS The transition from colostrum to mature milk was accompanied by changes in the taste of the milk, such as decreased saltiness and umami and increased bitterness and sourness. Umami and saltiness increased in milk from inflamed breasts. Contents of sodium, glutamate, and guanosine monophosphate increased in milk from inflamed breasts. CONCLUSIONS Tastes that were specifically associated with inflamed breasts appeared to include an increase in umami and saltiness, which might have resulted from an increased content in factors associated with umami and sodium.
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Affiliation(s)
- Michiko Yoshida
- 1 Department of Maternity Child Nursing, Akita University Graduate School of Health Sciences , Akita, Japan
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Chronopoulos DD, Karousis N, Zhao S, Wang Q, Shinohara H, Tagmatarchis N. Photocatalytic application of nanosized CdS immobilized onto functionalized MWCNTs. Dalton Trans 2014; 43:7429-34. [DOI: 10.1039/c3dt53338g] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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Choi DH, Wang Q, Azuma Y, Majima Y, Warner JH, Miyata Y, Shinohara H, Kitaura R. Fabrication and characterization of fully flattened carbon nanotubes: a new graphene nanoribbon analogue. Sci Rep 2013; 3:1617. [PMID: 23563618 PMCID: PMC3619137 DOI: 10.1038/srep01617] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.4] [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: 01/08/2013] [Accepted: 03/22/2013] [Indexed: 11/24/2022] Open
Abstract
Graphene nanoribbons (GNR) are one of the most promising candidates for the fabrication of graphene-based nanoelectronic devices such as high mobility field effect transistors (FET). Here, we report a high-yield fabrication of a high quality another type of GNR analogue, fully flattened carbon nanotubes (flattened CNTs), using solution-phase extraction of inner tubes from large-diameter multi-wall CNTs (MWCNTs). Transmission electron microscopy (TEM) observations show that flattened CNTs have width of typically 20 nm and a barbell-like cross section. Measurements of the low-bias conductance of isolated flattened CNTs as a function of gate voltage shows that the flattened CNTs display ambipolar conduction which is different from those of MWCNTs. The estimated gap based on temperature dependence of conductivity measurements of isolated flattened CNTs is 13.7 meV, which is probably caused by the modified electronic structure due to the flattening.
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Affiliation(s)
- D H Choi
- Department of Chemistry, Nagoya University, Nagoya, Japan
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Ishiyama M, Shoyama Y, Murakami H, Shinohara H. Production of monoclonal antibodies and development of an ELISA for solamargine. Cytotechnology 2012; 18:153-8. [PMID: 22358741 DOI: 10.1007/bf00767762] [Citation(s) in RCA: 55] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/1994] [Accepted: 06/07/1995] [Indexed: 11/29/2022] Open
Abstract
The ratio of hapten and bovine serum albumin in an antigen conjugate was determined by matrix-assisted laser desorption/ionization mass spectrometry. A hybridoma secreting monoclonal antibodies against solamargine was produced by fusing splenocytes immunized with a solamargine-bovine serum albumin conjugate with HAT-sensitive mouse myeloma cell line, P3-X63-Ag8-653. Extensive cross-reaction of anti-solamargine antibodies against solasonine appeared. Aglycone of solamargine, solasodine cross-reacted with anti-solamargine antibodies resulting in a 43.8% cross-reaction. Insignificant cross-reaction appeared with tomatine (2.06%). The full measuring range of the assay extends from 57.5 pmol ml(-1) to 11.5 nmol ml(-1) of solamargine.
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Affiliation(s)
- M Ishiyama
- Department of Pharmacognosy, Faculty of Pharmaceutical Sciences, Kyushu University, 3-1-1 Maidashi, Higashi-ku, 812, Fukuoka, Japan
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Shinohara H, Kitagawa F, Mizuno J, Shoji S, Ohara O, Takahashi Y, Nakahara A, Otsuka K. XPS and NEXAFS studies of VUV/O3-treated aromatic polyurea and its application to microchip electrophoresis. IET Nanobiotechnol 2011; 5:136-42. [DOI: 10.1049/iet-nbt.2011.0006] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022] Open
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Aiuppa A, Shinohara H, Tamburello G, Giudice G, Liuzzo M, Moretti R. Hydrogen in the gas plume of an open-vent volcano, Mount Etna, Italy. ACTA ACUST UNITED AC 2011. [DOI: 10.1029/2011jb008461] [Citation(s) in RCA: 57] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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Lim HE, Miyata Y, Nakayama T, Chen S, Kitaura R, Shinohara H. Purity-enhanced bulk synthesis of thin single-wall carbon nanotubes using iron-copper catalysts. Nanotechnology 2011; 22:395602. [PMID: 21891846 DOI: 10.1088/0957-4484/22/39/395602] [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] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/31/2023]
Abstract
We report high purity and high yield synthesis of single-wall carbon nanotubes (SWCNTs) of narrow diameter from iron-copper bimetal catalysts. The SWCNTs with diameter of 0.8-1.2 nm are synthesized using the zeolite-supported alcohol chemical vapour deposition method. Single metal and bimetal catalysts are systematically investigated to achieve both the enhancement of SWCNT yield and the suppression of the undesired formation of graphitic impurities. The relative yield and purity of SWCNTs are quantified using optical absorption spectroscopy with an ultracentrifuge-based purification technique. For the single metal catalyst, iron shows the highest catalytic activity compared with the other metals such as cobalt, nickel, molybdenum, copper, and platinum. It has been found that the addition of copper to iron results in the suppression of carbonaceous impurity formation without decreasing the SWCNT yield. The purity-enhanced SWCNT shows fairly low sheet resistance due to the improvement of inter-nanotube contacts. This scalable design of SWCNT synthesis with enhanced purity is therefore a promising tool for shaping future high performance devices.
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Affiliation(s)
- H E Lim
- Department of Chemistry and Institute for Advanced Research, Nagoya University, Nagoya, Japan
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Imae T, Haga A, Onoe T, Nakagawa K, Ino K, Okano Y, Tanaka K, Sasaki K, Saegusa S, Shiraki T, Oritate T, Yano K, Shinohara H. SU-E-J-140: Motion Analysis of Target during Stereotactic Radiotherapy of Lung Tumors Using Volumetric Modulated Arc Therapy. Med Phys 2011. [DOI: 10.1118/1.3611908] [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: 11/07/2022] Open
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Abstract
BACKGROUND There have been calls for more aggressive intervention for infants with failure in development of a sleep-wake rhythm. If development of the 'biological clock' in infants can be assessed by measuring melatonin, this may provide a useful indicator of the sleep-wake rhythm development. Thus, we investigated relationship between circadian salivary melatonin concentrations and sleep-wake behavioral parameters in infants. METHODS Sixty-seven mothers who had infants aged 3-15 months were requested to record sleep-wake behavior of their baby for 2 days, and to collect their baby's saliva four times daily in the morning (06:00-09:00 h), noon (11:00-13:00 h), evening (16:00-18:00 h), and night (19:00-22:00 h) for measurement of melatonin concentrations by ELISA. RESULTS The mean melatonin concentrations of the saliva were: morning 40 ± 4 pg/mL, noon 14 ± 3 pg/mL, evening 15 ± 3 pg/mL, and night 23 ± 4 pg/mL. The melatonin concentrations, at each measurement point, were highest in infants aged 3-5 months, and decreased as age increased. Morning melatonin concentrations showed a negative correlation with nocturnal sleep duration (P<0.05). Increased morning concentrations were related to early waking time (P<0.05). In infants with open air baths on most days, evening and night melatonin concentrations were significantly lower (P<0.05). CONCLUSION Salivary melatonin concentrations in infants between 06:00 and 22:00 decreased by age, and elevation of morning values may indicate an immature sleep-wake rhythm. Frequent open air baths may contribute to decreased melatonin levels.
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Affiliation(s)
- Hitomi Shinohara
- Department of Maternity Child Nursing, Akita University Graduate School of Health Science, Akita, Japan
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Horii M, Shinohara H, Iribe Y, Suzuki M. Living cell-based allergen sensing using a high resolution two-dimensional surface plasmon resonance imager. Analyst 2011; 136:2706-11. [DOI: 10.1039/c0an00874e] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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Graham MW, Chmeliov J, Ma YZ, Shinohara H, Green AA, Hersam MC, Valkunas L, Fleming GR. Exciton Dynamics in Semiconducting Carbon Nanotubes. J Phys Chem B 2010; 115:5201-11. [DOI: 10.1021/jp106250a] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- M. W. Graham
- Department of Chemistry, University of California, Berkeley, and Physical Biosciences Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720-1460, United States
| | - J. Chmeliov
- Center for Physical Sciences and Technology, Savanoriu Ave. 231, 02300 Vilnius, Lithuania, and Theoretical Physics Department, Faculty of Physics of Vilnius University, Sauletekio Ave. 9, build. 3, 10222 Vilnius, Lithuania
| | - Y.-Z. Ma
- Department of Chemistry, University of California, Berkeley, and Physical Biosciences Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720-1460, United States
- Chemical Sciences Division, Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831-6201, United States
| | - H. Shinohara
- Department of Chemistry and Institute for Advanced Research, Nagoya University, Furo-Cho, Chikusa-ku, Nagoya 464-8602, Japan
| | - A. A. Green
- Department of Materials Science and Engineering, Northwestern University, Evanston, Illinois 60208, United States
| | - M. C. Hersam
- Department of Materials Science and Engineering, Northwestern University, Evanston, Illinois 60208, United States
| | - L. Valkunas
- Center for Physical Sciences and Technology, Savanoriu Ave. 231, 02300 Vilnius, Lithuania, and Theoretical Physics Department, Faculty of Physics of Vilnius University, Sauletekio Ave. 9, build. 3, 10222 Vilnius, Lithuania
| | - G. R. Fleming
- Department of Chemistry, University of California, Berkeley, and Physical Biosciences Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720-1460, United States
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Imai H, Nakao H, Shinohara H, Fujii Y, Tsukino H, Hamasuna R, Osada Y, Fukushima K, Inamori M, Ikenoue T, Katoh T. Population-based study of asymptomatic infection with Chlamydia trachomatis among female and male students. Int J STD AIDS 2010; 21:362-6. [PMID: 20498109 DOI: 10.1258/ijsa.2010.010026] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
There are few epidemiological studies of asymptomatic chlamydial infection among students in non-medical settings with minimal bias and improved accuracy; thus, useful data from screening among students are limited. We aimed to obtain accurate epidemiological information about asymptomatic chlamydial infection among students in non-medical settings. A population-based cross-sectional survey of 10,440 >or=18-year-old asymptomatic students who volunteered for a urine screening test for chlamydia was conducted. The prevalences of asymptomatic infection were 9.5% for women and 6.7% for men. Multivariate analysis revealed the risk factors to be a lifetime history of >or=4 sexual partners for women (odds ratio [OR] 3.17) and inconsistent condom use for men (OR 4.18). For both sexes, younger age at first intercourse was associated with a higher rate of inconsistent condom use. This study produced accurate epidemiological information on asymptomatic chlamydial infection. These results may contribute to the establishment of preventive countermeasures against such infection.
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Affiliation(s)
- Hirohisa Imai
- Department of Epidemiology, National Institute of Public Health, Wako-shi, Saitama 351-0197, Japan.
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35
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Tsuchida M, Hashimoto T, Shinohara H, Hosaka Y, Satoh S, Shirato T, Kitahara A, Hayashi J. [Induction chemoradiation followed by resection through anterior approach for superior sulcus tumor]. Kyobu Geka 2010; 63:29-33. [PMID: 20077829] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/28/2023]
Abstract
Two cases of induction chemoradiation followed by surgical resection were reported. A 53-year-old man and a 68-year-old man who had been suffering form alleviate pain in their left shoulder and arms were referred to our hospital. Physical examination revealed Horner's syndrome on the left side in both patients. A transcutaneous needle biopsy confirmed non-small-cell lung cancer. Under the diagnosis of superior sulcus tumor in stage IIIB (T4N0M0), induction chemotherapy and radiation were given. After tumor reduction, they underwent resection through cervical anterior approach because subclavian vessel invasion was suspected. The clavicle was divided for the resection and reconstruction of subclavian artery in case 2. For the treatment of anterior superior sulcus tumors, anterior approach provides a safe and effective exposure.
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Affiliation(s)
- Masanori Tsuchida
- Division of Thoracic and Cardiovascular Surgery, Niigata University Graduate School of Medical and Dental Sciences, Japan
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Kitaura R, Nakanishi R, Saito T, Yoshikawa H, Awaga K, Shinohara H. High-Yield Synthesis of Ultrathin Metal Nanowires in Carbon Nanotubes. Angew Chem Int Ed Engl 2009; 48:8298-302. [PMID: 19774577 DOI: 10.1002/anie.200902615] [Citation(s) in RCA: 78] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- R Kitaura
- Department of Chemistry, Nagoya University, Nagoya 464-8602, Japan.
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Kitaura R, Nakanishi R, Saito T, Yoshikawa H, Awaga K, Shinohara H. High-Yield Synthesis of Ultrathin Metal Nanowires in Carbon Nanotubes. Angew Chem Int Ed Engl 2009. [DOI: 10.1002/ange.200902615] [Citation(s) in RCA: 4] [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] [Indexed: 11/08/2022]
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Sakabe K, Fukuda N, Fukuda Y, Morishita S, Shinohara H, Tamura Y. Interatrial dyssynchrony on tissue Doppler imaging predicts progression to chronic atrial fibrillation in patients with non-valvular paroxysmal atrial fibrillation. Heart 2009; 95:988-93. [DOI: 10.1136/hrt.2008.152561] [Citation(s) in RCA: 26] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/04/2022] Open
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Miyasaka M, Tanaka R, Hirabayashi K, Yamazaki A, Shinohara H, Taira H, Akamatsu T. Primary mucinous carcinoma of the skin: a case of metastasis after 10 years of disease-free interval. Eur J Plast Surg 2008; 32:189-193. [PMID: 20234869 PMCID: PMC2837212 DOI: 10.1007/s00238-008-0304-5] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.8] [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: 09/30/2008] [Accepted: 10/14/2008] [Indexed: 11/24/2022]
Abstract
Primary mucinous carcinoma of the skin (MCS) is a rare neoplasm. Clinically, it has a high local recurrence rate, but it is known to be a slow-growing benign tumor with a rare incidence of distant metastases. We present a case of primary MCS on the jaw that underwent tumor resection twice and was disease-free for 10 years after the second surgery. The patient had no evidence of local recurrence and distant metastasis until his 11th year follow-up. At that time, he was diagnosed with lung and bone metastasis and died 3 years after this. To our knowledge, this is the first case of MCS that presented with metastasis with more than 10-year disease-free interval. Since MCS is a slow-growing asymptomatic tumor, distant metastasis is difficult to diagnose without detailed radiological examination. We believe that computed tomography and resonance imaging should be performed for early diagnosis of metastasis even for cases with long-term disease-free interval, especially cases of local recurrence.
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Affiliation(s)
- M. Miyasaka
- Department of Plastic and Reconstructive Surgery, School of Medicine, Tokai University, 143 Shimokasuya Isehara-shi, Hiratsuka, Kanagawa 259-1193 Japan
| | - R. Tanaka
- Department of Plastic and Reconstructive Surgery, School of Medicine, Tokai University, 143 Shimokasuya Isehara-shi, Hiratsuka, Kanagawa 259-1193 Japan
| | - K. Hirabayashi
- Department of Pathology, School of Medicine, Tokai University, Hiratsuka, Kanagawa Japan
| | - A. Yamazaki
- Department of Plastic and Reconstructive Surgery, School of Medicine, Tokai University, 143 Shimokasuya Isehara-shi, Hiratsuka, Kanagawa 259-1193 Japan
| | - H. Shinohara
- Department of Plastic and Reconstructive Surgery, School of Medicine, Tokai University, 143 Shimokasuya Isehara-shi, Hiratsuka, Kanagawa 259-1193 Japan
| | - H. Taira
- Department of Plastic and Reconstructive Surgery, School of Medicine, Tokai University, 143 Shimokasuya Isehara-shi, Hiratsuka, Kanagawa 259-1193 Japan
| | - T. Akamatsu
- Department of Plastic and Reconstructive Surgery, School of Medicine, Tokai University, 143 Shimokasuya Isehara-shi, Hiratsuka, Kanagawa 259-1193 Japan
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Tsuchida M, Hashimoto T, Shinohara H, Hosaka Y, Koike T, Hayashi J. [Tracheal resection and reconstruction for tracheal stenosis]. Kyobu Geka 2008; 61:914-919. [PMID: 18939425] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/26/2023]
Abstract
Five patients underwent surgery for tracheal stenosis. The cause of stenosis was congenital tracheal stenosis in 1 case, post-intubation tracheal stenosis in 1 case, and tracheal stenosis due to thyroid cancer invasion in 3 cases. All 5 patients required circumferential tracheal resection and end-to-end anastomosis using 4-0 or 5-0 absorbable sutures. The number of tracheal rings removed ranged from 3 to 6. There was no anastomotic complication. Technical points of this procedure were summarized as follows : 1) the circumferential dissection of the trachea should be made only at the level of the lesion that is to be excised, 2) preserve at least one side of recurrent nerve, 3) the traction sutures facilitate tensionless knot of the sutures, 4) prevention of excessive extension of the neck in the immediate postoperative period.
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Affiliation(s)
- M Tsuchida
- Second Department of Surgery, Niigata University Medical & Dental Hospital, Niigata, Japan
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Shinohara H, Aiuppa A, Giudice G, Gurrieri S, Liuzzo M. Variation of H2O/CO2and CO2/SO2ratios of volcanic gases discharged by continuous degassing of Mount Etna volcano, Italy. ACTA ACUST UNITED AC 2008. [DOI: 10.1029/2007jb005185] [Citation(s) in RCA: 69] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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Ban R, Shinohara H, Matsuo K, Tanaka Y, Ikegami M. Limited distribution of gravitation abscess caused by infected preauricular sinus depends on anatomical structure. Eur J Plast Surg 2008. [DOI: 10.1007/s00238-008-0241-3] [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: 10/22/2022]
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Tsuchida M, Hashimoto T, Shinohara H, Koike T, Aoki T, Hayashi J, Okuyama N, Kubota M. [Gastroesophageal reflux as a cause of pulmonary dysfunction after lung transplantation]. Kyobu Geka 2007; 60:999-1004. [PMID: 17926904] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/25/2023]
Abstract
Gastroesophageal reflux is a potential cause of allograft dysfunction after lung transplantation due to microaspiration, lung inflammation, and development of bronchitis obliterans. A 16-year-old Japanese boy who had been suffering from interstitial lung disease received bilateral lung transplant from a braindead donor in the United States. Three months after lung transplantation, his lung function has not increased as expected. Spirometory revealed forced vital capacity (FVC) of 1.11 l (33% of predicted) and forced expiratory volume in one second (FEV1.0) of 0.81 l (28% of predicted). All possible etiologies, including infection, acute and chronic rejection, and other abnormalities were investigated. The only positive finding was the presence of gastroesophageal reflux. He first underwent pyroloplasty which did not improve lung function. Twenty-four-hour pH monitor performed after surgery revealed frequent gastroesophageal reflux. He eventually underwent laparoscopic fundoplication 9 months after initial lung transplantation. His lung function gradually improving after fundoplication, an FVC was 1.56 l (44% of predicted) and FEV1 was 1.25 l (33% of predicted).
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Affiliation(s)
- Masanori Tsuchida
- Division of Thoracic and Cardiovascular Surgery, Niigata University Graduate School of Medical and Dental Sciences, Niigata, Japan
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Tanaka Y, Matsuo K, Yuzuriha S, Shinohara H, Kikuchi N, Moriizumi T. A transverse ligament located anterosuperiorly in the lower orbital fat space restricts lower eyelid retraction in the Mongoloid eye. J Plast Reconstr Aesthet Surg 2007; 61:603-9. [PMID: 17656169 DOI: 10.1016/j.bjps.2007.06.014] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2006] [Accepted: 06/14/2007] [Indexed: 11/26/2022]
Abstract
We previously reported that a lower positioned transverse ligament, which was identified just above the fusional line between the orbital septum and the levator aponeurosis or anteroinferiorly in the upper orbital fat space, determines the lower position of the preaponeurotic fat, and restricts the upper eyelid retraction causing the external features that define the appearance of the Mongoloid eye. Because the narrow palpebral fissure of the Mongoloid eye is composed of the restricted upper eyelid and the restricted lower eyelid, we surmised that the ligamentous tissue, which is analogous to the lower positioned transverse ligament in the upper eyelid, might also exist in the lower eyelid.
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Affiliation(s)
- Y Tanaka
- Department of Plastic and Reconstructive Surgery, Shinshu University School of Medicine, Matsumoto, Nagano, Japan
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Ito T, Shinohara H, Nishimoto S. Conformational Effects on Photophysical Characteristics of C5-C5′-linked Dihydrothymine Dimers in Solution¶. Photochem Photobiol 2007. [DOI: 10.1562/0031-8655(2000)0720719ceopco2.0.co2] [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: 11/19/2022]
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46
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Nakamura T, Shinohara H. Position and Force Control Based on Mathematical Models of Pneumatic Artificial Muscles Reinforced by Straight Glass Fibers. ACTA ACUST UNITED AC 2007. [DOI: 10.1109/robot.2007.364151] [Citation(s) in RCA: 84] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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Abstract
OBJECTIVE Arachidonic acid, a precursor of prostaglandins (PGs), is released by phospholipase A2 (PLA2) and plays an important role in biological reactions. We examined the roles of arachidonic acid on the pathway of PG synthesis and osteoblast differentiation by using clone MC3T3-E1 cells. MATERIALS AND METHODS The effect of arachidonic acid was evaluated by the measurement of alkaline phosphatase activity, cells shape, production of arachidonic acid and the expression of cyclooxygenase (COX). RESULTS Arachidonic acid dose dependently decreased alkaline phosphatase activity and increased PGE2 production in MC3T3-E1 cells. The cell shape changed from polygonal to fibroblastic following treatment with arachidonic acid. These effects were recovered by the treatment of NS-398 and indomethacin. Arachidonic acid increased the expression of COX-2 mRNA and the PGE2 production. The exogenous arachidonic acid induced the release of cellular arachidonic acid in MC3T3-E1 cells. Moreover, methylarachidonyl fluorophosphonate suppressed the arachidonic acid release and the expression of COX-2 mRNA. CONCLUSION The present results indicate that exogenous arachidonic acid stimulated the activity of PLA2, leading to the new release of membranous arachidonic acid. The amplified arachidonic acid enhanced PGE2 production by COX-2, which inhibits the differentiation of MC3T3-E1 cells. Our results provide a new insight into the molecular mechanisms by which exogenous arachidonic acid plays a role as a paracrine/autocrine amplifier of PGE2 biosynthesis by coupling with PLA2 and COX-2.
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Affiliation(s)
- K Yoshida
- Department of Histology and Oral Histology, Institute of Health Biosciences, The University of Tokushima Graduate School, Kuramoto, Tokushima, Japan.
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Hossain S, Shinohara H. Real-time monitoring of l-glutamate release from C6 glioma cells using a modified enzyme-luminescence method and its application to drug assessment. Neurosci Res 2007. [DOI: 10.1016/j.neures.2007.06.804] [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: 11/24/2022]
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49
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Fukuda N, Shinohara H, Sakabe K, Onose Y, Nada T, Tamura Y. WITHDRAWN: Transthoracic Doppler Echocardiographic Measurement of Left Atrial Appendage Blood Flow Velocity: Comparison with Transoesophageal Measurement. Eur J Echocardiogr 2006:S1525-2167(02)90636-0. [PMID: 17045540 DOI: 10.1053/euje.2002.0636] [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] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
The publisher regrets that this was an accidental duplication of an article that has already been published in Eur. J. Echocardiogr., 4 (2003) 191-195, . The duplicate article has therefore been withdrawn.
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Affiliation(s)
- N Fukuda
- Department of Cardiology and Clinical Research, National Zentsuji Hospital, Kagawa, Japan
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Xenogiannopoulou E, Koudoumas E, Tagmatarchis N, Shinohara H, Couris S. Ultrafast third-order nonlinear optical response of C84, C84–D2 (IV) and C84–D2d (II). Chem Phys Lett 2006. [DOI: 10.1016/j.cplett.2006.05.017] [Citation(s) in RCA: 5] [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] [Indexed: 11/25/2022]
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