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Keio Journal of Medicine

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https://www.readbyqxmd.com/read/29162770/correlation-of-the-blood-test-results-obtained-between-assays-using-microliter-scale-fingertip-blood-samples-collected-with-a-novel-blood-collection-device-and-conventional-venous-blood-assays-a-secondary-publication-in-english
#1
Hajime Iwasawa, Tomoaki Nishimura, Shota Nemoto, Naoki Aikawa, Kiyoaki Watanabe
In this study, we investigated the correlations between biochemical and hematological test results obtained using microliter-scale fingertip blood samples collected with a newly developed blood collection device and those obtained using conventional venous blood. Eighty volunteer subjects were enrolled in this study. Blood samples were drawn from the fingertip of the ring finger by a single puncture, and 60-µL samples were promptly and accurately aspirated into a blood collection chip. Then the chip was tightly sealed in a chip container and was shaken to mix the contents without dispersion...
November 21, 2017: Keio Journal of Medicine
https://www.readbyqxmd.com/read/29033396/depression-in-cancer-care
#2
Daisuke Fujisawa
Depression is common among cancer patients and their families, and may lead to in substantial clinical consequences. Clinicians should routinely screen cancer patients for comorbid depression and should provide appropriate care at both primary and specialized care levels. Good quality care is beneficial not only for cancer patients themselves but also for their family members. It includes good communication between patients and health providers, and addressing of unmet needs of cancer patients. Specialized care comprises pharmacotherapy and psychotherapy...
October 14, 2017: Keio Journal of Medicine
https://www.readbyqxmd.com/read/28442643/paradigm-shifts-in-nutrition-therapy-for-type-2-diabetes
#3
Satoru Yamada
Currently, the low-energy diet is the only recognized nutrition therapy for type 2 diabetes in Japan. However, in recent decades, many foreign scientific organizations have accepted various nutritional approaches to manage diabetes, such as the low-carbohydrate diet, the Mediterranean diet, diet approaches to stop hypertension (DASH), and the vegetarian diet. Moreover, growing evidence has called into question classical nutritional approaches such as the low-fat diet for the prevention of cardiovascular disease and the low-protein diet for the prevention of diabetic kidney disease...
September 26, 2017: Keio Journal of Medicine
https://www.readbyqxmd.com/read/28123135/long-term-spontaneous-partial-regression-of-a-cerebral-arteriovenous-malformation-24-year-follow-up
#4
Dai Kamamoto, Satoshi Takahashi, Kazunari Yoshida
No abstract text is available yet for this article.
September 26, 2017: Keio Journal of Medicine
https://www.readbyqxmd.com/read/27990008/anemia-treatment-by-erythropoiesis-stimulating-agents-during-the-6-months-before-the-initiation-of-hemodialysis-comparison-of-darbepoetin-alfa-and-continuous-erythropoietin-receptor-activator
#5
Tadashi Yoshida, Matsuhiko Hayashi
Anemia in chronic kidney disease (CKD) is a risk factor for cardiovascular diseases and is treated by long-acting erythropoiesis-stimulating agents (ESAs). Although the results of previous studies have shown that hemoglobin levels could not be maintained at the initiation of dialysis in CKD patients treated with recombinant human erythropoietin, it remains undetermined whether long-acting ESAs are effective in preventing the progression of anemia at the initiation of dialysis. In the present study, hemoglobin levels in 40 CKD patients treated with darbepoetin alfa (DA) and 15 CKD patients treated with a continuous erythropoietin receptor activator (CERA) were retrospectively compared during the 6 months period before the initiation of dialysis...
September 26, 2017: Keio Journal of Medicine
https://www.readbyqxmd.com/read/28835585/the-history-and-future-of-unlinked-total-elbow-arthroplasty
#6
Takuji Iwamoto, Hiroyasu Ikegami, Taku Suzuki, Satoshi Oki, Noboru Matsumura, Masaya Nakamura, Morio Matsumoto, Kazuki Sato
Unlinked total elbow arthroplasty (TEA), which has no mechanical connection between the humeral and ulnar components, has theoretical advantages based on its near-normal elbow kinematics and the preservation of bone stock. Unlinked TEA is appropriate only for patients who have limited bone loss or limited deformity and good ligamentous function. This is because postoperative instability has been a major complication of unlinked prostheses. The concept and goal of unlinked TEA is to share the loading stress on the bone implant interface with the surrounding tissues...
August 24, 2017: Keio Journal of Medicine
https://www.readbyqxmd.com/read/28717066/a-heart-shaped-sleeve-simplifies-intramedullary-tibial-nail-insertion-when-using-the-suprapatellar-approach
#7
Kosuke Tajima, Chikako Shimizu, Soichiro Ohno, Yusho Nishida, Kazuhiko Udagawa, Junichi Sasaki
The suprapatellar approach for intramedullary tibial nailing has become widely accepted over the past decade. A round sleeve is passed beneath the patella to protect the surface of the patellofemoral joint (PFJ). However, the round sleeve cannot be easily stabilized in the PFJ because it does not conform to the shape of the patellar apex. Consequently, we produced a heart-shaped sleeve to simplify the insertion of the entry sleeve during the suprapatellar approach. Using the new sleeve, the following procedure is used: (1) make a longitudinal 4 cm skin incision proximal to the patella to reach the PFJ, (2) insert the guide pin manually to the ventral edge of the tibial plateau, (3) insert the cannulated trocar along the guide pin, (4) insert the heart-shaped sleeve along the cannulated trocar, (5) remove the cannulated trocar, (6) ream the entry point through the heart-shaped sleeve...
July 15, 2017: Keio Journal of Medicine
https://www.readbyqxmd.com/read/27498746/potential-universal-application-of-high-intensity-interval-training-from-athletes-and-sports-lovers-to-patients
#8
Koichiro Azuma, Hideo Matsumoto
Recently, high-intensity interval training (HIIT) has received much attention as a promising exercise option not only to improve aerobic fitness, but also to prevent and improve lifestyle-related diseases. Epidemiological studies have shown that the exercise volume, as determined by the product of exercise intensity, duration, and frequency, has been shown to be important for improvements in muscle mitochondrial activity and subsequent improvements in aerobic fitness, insulin sensitivity, and metabolic variables...
June 25, 2017: Keio Journal of Medicine
https://www.readbyqxmd.com/read/28592747/roles-of-hypoxia-response-in-retinal-development-and-pathophysiology
#9
Toshihide Kurihara
The hypoxia response is a fundamental phenomenon mainly regulated by hypoxia-inducible factors (HIFs). For more than a decade, we have investigated and revealed the roles of the hypoxia response in the development, physiology, and pathophysiology of the retina by generating and utilizing cell-type-specific conditional knockout mice. To investigate the functions of genes related to the hypoxia response in cells composing the retina, we generated various mouse lines that lack HIFs and/or related genes specifically in retinal neurons, astrocytes, myeloid cells, or retinal pigment epithelium cells...
June 6, 2017: Keio Journal of Medicine
https://www.readbyqxmd.com/read/28450682/clinical-serum-therapy-benefits-cautions-and-potential-applications
#10
Toru Hifumi, Akihiko Yamamoto, Manabu Ato, Kyoko Sawabe, Kazunori Morokuma, Nobuya Morine, Yutaka Kondo, Eiichiro Noda, Atsushi Sakai, Jin Takahashi, Kazuo Umezawa
Blood serum from immunized humans or animals (e.g., horses) contains relevant antibodies and has been used as serum therapy to treat many diseases or envenomation events. The effectiveness of blood serum was initially discovered in 1890 when Kitasato and von Behring observed the effectiveness of this type of therapy against diphtheria and tetanus. Serum therapies played an important role in the advancement of modern medicine prior to the development of penicillin and steroids. At present, several types of serum therapy remain in clinical use...
April 28, 2017: Keio Journal of Medicine
https://www.readbyqxmd.com/read/28392539/headache-caused-by-brain-metastases-of-castration-resistant-prostate-cancer-during-cabazitaxel-therapy
#11
Keitaro Watanabe, Takeo Kosaka, Hiroshi Hongo, Satoshi Tamaki, Mototsugu Oya
We describe the case of a 55-year-old man who underwent four cycles of cabazitaxel therapy for castration-resistant prostate cancer (CRPC). After the fourth cycle of cabazitaxel, the patient experienced severe headaches. Brain gadolinium (Gd) contrast-enhanced magnetic resonance imaging (MRI) revealed multiple brain metastases. A few days later, the patient suffered impaired consciousness that progressed rapidly. The patient was treated for the symptoms of increased intracranial pressure and underwent whole-brain radiation...
April 7, 2017: Keio Journal of Medicine
https://www.readbyqxmd.com/read/28392538/listeria-monocytogenes-meningitis-complicating-rotavirus-gastroenteritis-in-an-immunocompetent-child
#12
Takuma Ohnishi, Akiko Kawano, Mayumi Araki, Yuko Hamahata, Machiko Usui, Motoko Shimoyamada, Takuya Tamame, Masayuki Akashi, Seiji Sato
Listeria monocytogenes only occasionally causes bacterial meningitis in immunocompetent children. We report a case of L. monocytogenes meningitis associated with rotavirus gastroenteritis. The patient was a previously healthy 20-month-old girl who was admitted because of sustained fever and lethargy after suffering from gastroenteritis for 6 days. The patient's peripheral white blood cell count was 18,600/µL and the C-reactive protein level was 2.44 mg/dL. A stool sample tested positive for rotavirus antigen...
April 7, 2017: Keio Journal of Medicine
https://www.readbyqxmd.com/read/28111378/differential-x-chromosome-inactivation-patterns-during-the-propagation-of-human-induced-pluripotent-stem-cells
#13
Tomoko Andoh-Noda, Wado Akamatsu, Kunio Miyake, Tetsuro Kobayashi, Manabu Ohyama, Hiroshi Kurosawa, Takeo Kubota, Hideyuki Okano
Human induced pluripotent stem cells (hiPSCs) represent a potentially useful tool for studying the molecular mechanisms of disease thanks to their ability to generate patient-specific hiPSC clones. However, previous studies have reported that DNA methylation profiles, including those for imprinted genes, may change during passaging of hiPSCs. This is particularly problematic for hiPSC models of X-linked disease, because unstable X chromosome inactivation status may affect the detection of phenotypes. In the present study, we examined the epigenetic status of hiPSCs derived from patients with Rett syndrome, an X-linked disease, during long-term culture...
March 25, 2017: Keio Journal of Medicine
https://www.readbyqxmd.com/read/27319977/cutaneous-metaplastic-synovial-cyst-case-report-and-literature-review-from-the-dermatological-point-of-view
#14
Masahiro Fukuyama, Yohei Sato, Jun Hayakawa, Manabu Ohyama
Cutaneous metaplastic synovial cysts (CMSCs) are rare tumors typically comprising a solitary, well-circumscribed cystic mass that is not connected to the joint. Synovial cysts have been reported predominantly by orthopedists or pathologists; however, the presence of CMSC is not generally well recognized by dermatologists. Herein, we report a CMSC in a 68-year-old woman receiving systemic corticosteroid therapy for the treatment of eosinophilic granulomatosis with polyangiitis (EGPA). We attempt to delineate the clinical characteristics of this unusual neoplasm by reviewing the literature, focusing especially on dermatological descriptions...
March 25, 2017: Keio Journal of Medicine
https://www.readbyqxmd.com/read/28954978/stroke-and-the-cell-therapy-saga-towards-a-safe-swift-and-efficient-utilization-of-cells
#15
Nathalie Kubis
The first clinical trials of cell therapy in stroke were first published in the 2000s and consisted of neural stems cells transplanted via the intracerebral pathway. Since mesenchymal stem cells showed similar capacities to differentiate into neural cells and allowed autologous cell transplantation, they were then preferentially studied, including diabetes and hypertension. More recently, bone marrow derived mononuclear cells were successfully transplanted in stroke with no need of culture processing, and simple collection by density gradient centrifugation rendering them immediately ready for use...
2017: Keio Journal of Medicine
https://www.readbyqxmd.com/read/28954977/leadership-training-of-surgery-in-us
#16
Kazuaki Takabe
Surgeons in the US are trained to be leaders during their surgical residencies as part of their postgraduate education. Leadership is considered to be essential, since the surgeon directs the medical team. Every surgeon is expected to gain leadership skills. I would like to introduce the leadership training that I received as an ASCO Leadership Development Program graduate and as a Scholarship recipient of Geisel Leadership Course at Dartmouth in addition to General Surgery Residency at University of California San Diego...
2017: Keio Journal of Medicine
https://www.readbyqxmd.com/read/28954976/precision-cancer-medicine-and-super-computing-system
#17
Toshifumi Wakai
Precision Cancer Medicine: Tumors are classified into several molecular subtypes by Genomic Sequencing. Comprehensive targeted-gene panel provides more therapeutic options. CANCERPLEX-JP version 4.0 includes 435 actionable genes, which clinical approaches are available. Utilizing the gene panel platform, we assessed the genes and pathways most frequently altered in Japanese and US cases (Genome Med 2016;8:136). We demonstrate concordance of CANCERPLEX-JP with whole-exome sequencing from the TCGA in identifying hypermutated samples and microsatellite instability in multiple cancer types, such as colorectal and gastric cancer...
2017: Keio Journal of Medicine
https://www.readbyqxmd.com/read/28356548/linking-pathogen-virulence-host-immunity-and-the-microbiota-at-the-intestinal-barrier
#18
Gabriel Nunez
The mechanisms that allow enteric pathogens to colonize the intestine and host immunity as well as the indigenous microbiota to inhibit pathogen colonization remain poorly understood. Our laboratory is using Citrobacter rodentium, a mouse pathogen that models human infections by enteropathogenic E. coli, to understand the mechanisms that regulate the colonization and clearance of the pathogen in the gut. These studies have revealed how the pathogen colonizes and replicates successfully early during infection and how host immunity and the indigenous microbiota cooperate to eradicate the pathogen in the later stage of the infection...
2017: Keio Journal of Medicine
https://www.readbyqxmd.com/read/28356547/mechanisms-of-ips-cell-generation-and-beyond
#19
Keisuke Kaji
The generation of induced pluripotent stem cells (iPSCs) achieved by overexpression of Oct4, Sox2, Klf4 and c-Myc, transformed our classical views of the cellular epigenetic landscape and delivered a new concept for cell and tissue engineering. In addition to iPSCs, several other cell types have also been generated by master transcription factor (TF)-mediated transdifferentiation. However, the critical molecular mechanisms amongst diverse cellular identity changes are not well understood. Through the investigation of reprogramming mechanisms, we recently revealed that over-expression of constitutive active Smad3 boosted not only iPSC generation, but also 3 other master TF-mediated conversions, from B cells to macrophages, myoblasts to adipocytes, and human fibroblasts to neurons...
2017: Keio Journal of Medicine
https://www.readbyqxmd.com/read/27237784/warfarin-associated-intraspinal-hematoma
#20
Joji Inamasu, Keisuke Ito, Natsuki Hattori, Yuichi Hirose
Intracerebral hemorrhage is a well-known complication resulting from warfarin use; however, warfarin-associated intraspinal hematoma is very rare. Warfarin-associated intraspinal hematoma may exhibit delayed progression, and patients may present with atypical symptoms, occasionally resulting in delayed diagnosis. We report the case of a 65-year-old man who visited our emergency department (ED) with acute urinary retention. He had been previously diagnosed with non-valvular atrial fibrillation, arterial hypertension, and benign prostatic hyperplasia, and he used warfarin for the prevention of systemic embolism...
December 25, 2016: Keio Journal of Medicine
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