1.Indications for Dental Floss Clip Traction During Gastric Endoscopic Submucosal Dissection by LessExperienced Endoscopists
Hirosato TAMARI ; Shiro OKA ; Takahiro KOTACHI ; Hajime TESHIMA ; Junichi MIZUNO ; Motomitsu FUKUHARA ; Hidenori TANAKA ; Akiyoshi TSUBOI ; Ken YAMASHITA ; Ryo YUGE ; Yuji URABE ; Yasuhiko KITADAI ; Koji ARIHIRO ; Shinji TANAKA
Journal of Gastric Cancer 2023;23(4):512-522
Purpose:
Dental floss clip (DFC) traction-assisted endoscopic submucosal dissection (ESD) is widely performed owing to its simplicity. This study aimed to clarify the appropriate indications for the DFC traction method in early gastric cancer when ESD is performed by less-experienced endoscopists.
Methods:
and Methods: We retrospectively analyzed 1,014 consecutive patients who had undergone gastric ESD performed by less-experienced endoscopists between January 2015 and December 2020. Gastric ESD was performed without DFC in all cases before December 2017 [DFC (−) group, 376 cases], and ESD was performed with DFC in all cases after January 2018 [DFC (+) group, 436 cases]. The procedure time and rates of en bloc resection, complete resection, and adverse events of the groups were compared.
Results:
The procedure time did not differ significantly between the 2 groups. However, when comparing lesions >20 mm, the procedure time in the DFC (+) group was significantly shorter than that in the DFC (−) group (95±46 vs. 75±31, P<0.01). The procedure time for lesions located in the greater curvature of the upper or middle stomach and lesions >20 mm located in the lesser curvature side of the stomach in the DFC (+) group was significantly shorter than that in the DFC (−) group.
Conclusions
The indications for DFC during gastric ESD by less-experienced endoscopists include lesions located in the greater curvature of the upper or middle stomach, and lesions >20 mm located in the lesser curvature of the stomach.
2.The Peer Support Experience of AYA Hiroba: A Get-together for Adolescents and Young Adults with Cancer
Takatoshi HIRAYAMA ; Rebekah KOJIMA ; Chisato IKEDA ; Ryoko UDAGAWA ; Mariko KOBAYASHI ; Akie SHINDO ; Moeko TANAKA ; Yuko YANAI ; Hiroto ISHIKI ; Ken SHIMIZU ; Eriko SATOMI
Palliative Care Research 2019;14(3):221-226
Background: Adolescents and young adults (AYA) with cancer go through various life events during their illness trajectory, and there is often insufficient information on their diseases due to their rarity. Few chances are available for AYA patients to meet and share information with each other. Therefore, at the National Cancer Center Hospital in Japan we hold AYA Hiroba, a monthly get-together for AYA patients to communicate with each other. This study investigated satisfaction and effect with the activity. Methods: We have held the AYA Hiroba activity once a month since May 2016. We asked participants to complete a questionnaire at each session.Results: We held the activity 33 times between May 2016 and May 2019. A total of 130 patients participated, and 97 of them completed the questionnaire, including providing demographic data, since October 2017. The respondent demographics were as follows: sex (male/female), 38/59; median age, 29 years (range 14–39 years); outpatients/inpatients, 31/66; number of sessions attended (1/≥2), 42/55; and cancer type (sarcoma/malignant lymphoma/brain tumor/germ cell tumor/leukemia/melanoma/breast cancer/neuroblastoma/Wilms tumor/lung cancer/cervical cancer/nasopharyngeal cancer/tongue cancer/blank), 45/11/9/7/6/5/3/3/2/1/1/1/1/2). Many attendees perceived the activity favorably: “It was very satisfying” (61.7%), and “It was very helpful” (65%). The feedback was classified into three categories: “interaction with the same generation”, “diversion”, and “getting information”. Discussion: AYA patients have a great need to communicate with each other, and the feedback suggests that AYA Hiroba would be effective in interaction with the same generation, diversion and getting information. Most participants were very satisfied with the program.
3.A Modified Under-Vastus Approach for Knee Arthroplasty with Anatomical Repair of Soft Tissue
Takafumi HIRANAKA ; Toshikazu TANAKA ; Takaaki FUJISHIRO ; Kensuke ANJIKI ; Naosuke NAGATA ; Daiya KITAZAWA ; Ken KOTOURA ; Koji OKAMOTO
Clinics in Orthopedic Surgery 2019;11(4):490-494
The under-vastus approach (UVA) is a modification of the conventional subvastus approach for knee arthroplasty. Our modified UVA allows the muscles to be spared while offering good exposure of the operative field and facilitating anatomical repair of the capsule and fascia. A medial parapatellar incision is made and the vastus medialis fascia is incised along the same line. The muscle belly is not incised but detached from the surrounding fascia and retracted laterally. The suprapatellar pouch capsule is then laterally incised under the vastus muscles. The patella can then be easily retracted laterally and adequate exposure is possible. After the procedure, both capsule and fascia can be anatomically repaired. We use this approach for all primary arthroplasties in our practice. There has been no case in which an additional muscle incision was required, and there were no intraoperative complications. The modified UVA allows for excellent exposure of the operative field as well as muscle retention in both primary total and unicompartmental knee arthroplasties.
Arthroplasty
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Arthroplasty, Replacement, Knee
;
Fascia
;
Intraoperative Complications
;
Knee
;
Muscles
;
Osteoarthritis
;
Patella
;
Quadriceps Muscle
4.Potent water extracts of Indonesian medicinal plants against PTP1B
Saifudin AZIS ; Usia TEPY ; Ablallo SUBEHAN ; Morita HIROYUKI ; Tanaka KEN ; Tezuka YASUHIRO
Asian Pacific Journal of Tropical Biomedicine 2016;(1):38-43
Objective: To examine the potent of water as a solvent agent in the preparation of traditional herbal medicine.
Methods: Water extracts of 18 plants were prepared through reflux and examined (25 mg/mL) to evaluate their possibility for inhibiting protein tyrosine phosphatase 1B (PTP1B). The determination of IC50 values was performed for the samples possessing more than 80% inhibition. Meanwhile, those exhibiting IC50 values more than 7.0 mg/mL were further profiled for their chemical constituents through nuclear magnetic resonance (NMR) measurement.
Results: About 44% (8) of the examined samples showed more than 80% inhibition against PTP1B. The water extracts of Elephantopus scaber, Helicteres isora aerial parts, Elaeocarpus grandiflorus (E. grandiflorus) fruits, Melaleuca leucadendron leaves, and Quercus infectoria gum had IC50 values ranging from 2.05 to 6.90 mg/mL. Meanwhile, Andropogon nardus and Centella asiatica were at the area of d 3.0–4.0 ppm. Further, the 13C NMR observation of samples possessing the most intensive signals in their proton NMR Cinnamomum burmannii and E. grandiflorus showed the peaks at the area of d 60–90 ppm as the supportive evidence for sugar group signals. Intriguingly, a disaccharide from E. grandiflorus could be an active inhibitor towards PTB1B.
Conclusions: In contrast to the mainstream solvents currently used in modern herbal manufactures especially Jamu medicine in Indonesia, pure-water-extracted materials should be reconsidered and could be reemerged for future studies and for the manufacture of herbal medicines. In addition, the activity of Jamu components should be confirmed that their antidiabetes and antiobesity activities could be through the inhibition of PTP1B.
5. Potent water extracts of Indonesian medicinal plants against PTP1B
Azis SAIFUDIN ; Tepy USIA ; Subehan ABLALLO ; Hiroyuki MORITA ; Ken TANAKA ; Yasuhiro TEZUKA
Asian Pacific Journal of Tropical Biomedicine 2016;6(1):38-43
Objective: To examine the potent of water as a solvent agent in the preparation of traditional herbal medicine. Methods: Water extracts of 18 plants were prepared through reflux and examined (25 μg/mL) to evaluate their possibility for inhibiting protein tyrosine phosphatase 1B (PTP1B). The determination of IC
6.Role of vaginal pallor reaction in predicting late vaginal stenosis after high-dose-rate brachytherapy in treatment-naive patients with cervical cancer.
Ken YOSHIDA ; Hideya YAMAZAKI ; Satoaki NAKAMURA ; Koji MASUI ; Tadayuki KOTSUMA ; Hironori AKIYAMA ; Eiichi TANAKA ; Nobuhiko YOSHIKAWA ; Yasuo UESUGI ; Taiju SHIMBO ; Yoshifumi NARUMI ; Yasuo YOSHIOKA
Journal of Gynecologic Oncology 2015;26(3):179-184
OBJECTIVE: To assess actual rates of late vaginal stenosis and identify predisposing factors for complications among patients with previously untreated cervical cancer following high-dose-rate brachytherapy. METHODS: We performed longitudinal analyses of 57 patients using the modified Dische score at 6, 12, 18, 24, 36, and 60 months after treatment, which consisted of 15 interstitial brachytherapys and 42 conventional intracavitary brachytherapys, with a median follow-up time of 36 months (range, 6 to 144 months). RESULTS: More than half of the patients developed grade 1 (mild) vaginal stenosis within the first year of follow-up, and grade 2 (97.5%, moderate) to grade 3 (severe) stenosis gradually increased with time. Actual stenosis rates for grade 1, 2, and 3 were 97.5% (95% confidence interval [CI], 92.7 to 97.5), 60.7% (95% CI, 42.2 to 79.3), and 7.4% (95% CI, 0 to 18.4) at 3 years after treatment. Pallor reaction grade 2-3 at 6 months was only a statistically significant predisposing factor for grade 2-3 late vaginal stenosis 3 years or later with a hazard ratio of 3.48 (95% CI, 1.32 to 9.19; p=0.018) by a multivariate Cox proportional hazard model. Patients with grade 0-1 pallor reaction at 6 months showed a grade > or =2 vaginal stenosis rate of 53%, whereas the grade 2-3 pallor reaction group achieved a grade > or =2 vaginal stenosis rate at 3 years at 100% (p=0.001). CONCLUSION: High-dose-rate brachytherapy was associated with high incidence of late vaginal stenosis. Pallor reaction grade 2-3 at 6 months was predictive of late grade 2-3 vaginal stenosis at 3 years after treatment. These findings should prove helpful for patient counseling and preventive intervention.
Adult
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Aged
;
Aged, 80 and over
;
Brachytherapy/*adverse effects/methods
;
Constriction, Pathologic/etiology/pathology
;
Female
;
Humans
;
Iridium Radioisotopes/therapeutic use
;
Middle Aged
;
*Pallor
;
Prognosis
;
Prospective Studies
;
Radiopharmaceuticals/therapeutic use
;
Retrospective Studies
;
Uterine Cervical Neoplasms/*radiotherapy
;
Vaginal Diseases/*etiology/pathology
7.A Case of Disseminated Intravascular Coagulation Complicating Thoracic Aortic Aneurysm for Which Recombinant Human Soluble Thrombomodulin Was Effective
Ken Nakamura ; Koji Kawahito ; Hirokuni Naganuma ; Kei Tanaka ; Yoko Matsumura ; Noriyasu Kawada ; Norimasa Haijma ; Kazuhiro Hashimoto
Japanese Journal of Cardiovascular Surgery 2012;41(3):148-151
Chronic disseminated intravascular coagulation (DIC) complicates 5.7% of thoracic aortic aneurysm. DIC with thoracic aortic aneurysm is characterized by hyperfibrinolysis, but usually shows a stable condition in a state of compensated non-overt DIC with limited hemorrhagic symptoms. However, in some cases, hemorrhage caused by external factors may induce uncompensated overt DIC and lead to serious hemorrhagic tendencies. In the present study, we report a patient with a thoracic aortic aneurysm complicated by DIC who exhibited marked hemorrhagic tendencies. DIC remarkably improved following administration of recombinant human soluble thrombomodulin.
8.Surgical Treatment of a Caseous Calcification Lesion Which Originated from the Calcified Anterior Mitral Annulus in Patient on Chronic Hemodialysis
Toshiharu Sassa ; Ryuji Kunitomo ; Hisashi Sakaguchi ; Shuji Moriyama ; Ken Okamoto ; Mutsuo Tanaka ; Kentaro Takaji ; Michio Kawasuji
Japanese Journal of Cardiovascular Surgery 2011;40(5):244-246
We report a case of a caseous calcification lesion originating from a calcified anterior mitral annulus. A 59-year-old woman on chronic hemodialysis was referred to our hospital due to an elevated brain natriuretic peptide value. Transthoracic echocardiography demonstrated moderate aortic valve stenosis with regurgitation and a pendulous mass in the left ventricular outflow tract, and therefore we perfomed. The patient underwent resection of the mass with aortic valve replacement. Pathological examination of the mass revealed interstitial calcium deposits but without tumors or inflammatory cells. We speculated that the cardiac mass was caseous calcification which originated from a severely calcified mitral annulus based on its echocardiographic and pathological features.
9.An instantaneous blood pressure measuring system at the wrist based on the volume-compensation method.
Shu-Mei GAO ; Yi-Lin SONG ; Shinobu TANAKA ; Ken-ichi YAMAKOSHI
Chinese Journal of Medical Instrumentation 2009;33(5):323-327
An instantaneous blood pressure measuring system at the wrist based on the volume-compensation method is developed, and the characteristics and accuracy of the system is evaluated. The radial artery at the wrist is used as the detecting object, and a pad-type cuff as well as a newly designed electro- pneumatic converter is used in the system. Also, the comparative experiments between the system and the invasive blood measuring device (direct method) indicated that, the results obtained from the two methods are well correlated not only in rest condition, but also in a stressful condition. Therefore, the system is capable of non-invasive measuring instantaneous blood pressure in the radial artery.
Blood Pressure Determination
;
instrumentation
;
methods
;
Equipment Design
;
Humans
;
Radial Artery
;
physiology
10.Reliability and Validity of the Spinal Cord Independence Measure
Makiko KUROKAWA ; Hiroyuki TOIKAWA ; Kanjiro SUZUKI ; Ken UCHIKAWA ; Naofumi TANAKA ; Meigen LIU
The Japanese Journal of Rehabilitation Medicine 2007;44(4):230-236
Objective : To evaluate the reliability and the validity of the Japanese version of the Spinal Cord Independence Measure (SCIM) in patients with cervical spinal cord injury. Design : Cross-sectional, observational study. Setting : Rehabilitation ward for spinal cord injury in Japan. Patients and Methods : 26 inpatients with traumatic and non-traumatic cervical spinal cord injury, with an average age of 60.3, were included to examine the internal consistency of the subscales (subscores in each domain) and the whole scale, and to determine concurrent validity of the SCIM and the Functional Independence Measure (FIM) motor subscores. To examine interrater reliability, 12 of these patients were assessed by 2 physiatrists independently and intraclass correlation coefficients (ICC) for total scores and weighted kappas for individual item scores were calculated. Results : The ICC for total SCIM score was 0.99, and the weighted kappas for individual item scores showed moderate to strong agreement (kappa=0.54-1.00). The Cronbach's alpha coefficients for domain subscores and total score were above 0.71, demonstrating appropriate internal consistency of the SCIM. The total SCIM scores significantly correlated with the FIM motor subscores (Spearman's rho=0.95), however, there were some variations with the SCIM scores in patients who were rated as 6 (modified independence) with the FIM in such items as bladder management and indoor mobility. Conclusion : The results supported the internal consistency, interrater reliability and concurrent validity of the SCIM in patients with cervical spinal cord injury. The SCIM may be a potential measure to evaluate certain functional aspects that cannot be assessed by the FIM alone.


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