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Article ; Online: Successful treatment of multicentric Castleman's disease associated with dystrophic epidermolysis bullosa using anti-interleukin-6 receptor antibody.

Naruse, Satsuki / Takashima, Shota / Fujita, Yasuyuki / Kataoka, Hiroshi / Kawamura, Nobuaki / Natsuga, Ken / Ujiie, Hideyuki

The Journal of dermatology

2024

Language	English
Publishing date	2024-03-14
Publishing country	England
Document type	Letter
ZDB-ID	800103-0
ISSN	1346-8138 ; 0385-2407
ISSN (online)	1346-8138
ISSN	0385-2407
DOI	10.1111/1346-8138.17172
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Article ; Online: Persistent intolerable abdominal pain in patients with Parkinson's disease.

Kataoka, Hiroshi / Sugie, Kazuma

Clinical neurology and neurosurgery

2022 Volume 224, Page(s) 107558

Abstract: Objectives: In Parkinson's disease (PD), pain is common, increases motor disability, and makes daily life unpleasant. Few patients reportedly have a low prevalence of abdominal pain. The pathophysiology of such abdominal pain has not been confirmed. We ... ...

Abstract	Objectives: In Parkinson's disease (PD), pain is common, increases motor disability, and makes daily life unpleasant. Few patients reportedly have a low prevalence of abdominal pain. The pathophysiology of such abdominal pain has not been confirmed. We clinically studied patients with PD and persistent intolerable abdominal pain to determine the pathophysiology and effective therapy. Materials and methods: We obtained detailed clinical information from medical records, including the disease course before and after the onset of abdominal pain. The maximal thickness of the rectus muscle at the L4 and L5 corpus vertebral level of the abdomen on axial computed tomography was calculated, and the relative muscle thickness ratio was calculated by dividing the maximal thickness by the distance from the fascia between the bilateral rectus muscles of the abdomen and the dorsal part of the corpus vertebrae. Results: In six patients with PD (three men, age range 71-85 years), the Hoehn-Yahr stage, disease duration, and daily levodopa equivalent dose were 3.1 ± 0.7, 107 ± 44 months, and 636.7 ± 451.4 mg/day, respectively. The pain occurred daily and often during the night and was not related to the timing of food intake. The pain in two patients was related to wearing-off. One patient showed constant hypertonic activity in the rectus abdominis on surface electromyography. The rectus abdominis showed that the maximal thickness and relative muscle thickness ratio of patients with abdominal pain were significantly higher than those of patients without pain. Therapeutic usefulness of antiparkinsonian medications was short and limited. Conclusions: Although intolerable abdominal pain is likely to be infrequent, it alleviates the quality of life of patients with PD. The pathophysiology seems to vary, and our observations found wearing-off of related pain and muscle contraction, suggesting dystonia. Among persistent abdominal pain, organic abnormalities, such as the precursor state of megacolon, may be lurking.
MeSH term(s)	Male ; Humans ; Aged ; Aged, 80 and over ; Parkinson Disease/complications ; Parkinson Disease/drug therapy ; Quality of Life ; Disabled Persons ; Motor Disorders ; Antiparkinson Agents/therapeutic use ; Levodopa/therapeutic use ; Abdominal Pain/etiology
Chemical Substances	Antiparkinson Agents ; Levodopa (46627O600J)
Language	English
Publishing date	2022-12-13
Publishing country	Netherlands
Document type	Journal Article
ZDB-ID	193107-6
ISSN	1872-6968 ; 0303-8467
ISSN (online)	1872-6968
ISSN	0303-8467
DOI	10.1016/j.clineuro.2022.107558
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Article: Glomerular hyperfiltration and hypertrophy: an evaluation of maximum values in pathological indicators to discriminate "diseased" from "normal".

Kataoka, Hiroshi / Nitta, Kosaku / Hoshino, Junichi

Frontiers in medicine

2023 Volume 10, Page(s) 1179834

Abstract: The success of sodium-glucose cotransporter 2 inhibitors and bariatric surgery in patients with chronic kidney disease has highlighted the importance of glomerular hyperfiltration and hypertrophy in the progression of kidney disease. Sustained glomerular ...

Abstract	The success of sodium-glucose cotransporter 2 inhibitors and bariatric surgery in patients with chronic kidney disease has highlighted the importance of glomerular hyperfiltration and hypertrophy in the progression of kidney disease. Sustained glomerular hyperfiltration and hypertrophy can lead to glomerular injury and progressive kidney damage. This article explores the relationship between obesity and chronic kidney disease, focusing on the roles of glomerular hyperfiltration and hypertrophy as hallmarks of obesity-related kidney disease. The pathological mechanisms underlying this association include adipose tissue inflammation, dyslipidemia, insulin resistance, chronic systemic inflammation, oxidative stress, and overactivation of the sympathetic nervous system, as well as the renin-angiotensin aldosterone system. This article explains how glomerular hyperfiltration results from increased renal blood flow and intraglomerular hypertension, inducing mechanical stress on the filtration barrier and post-filtration structures. Injured glomeruli increase in size before sclerosing and collapsing. Therefore, using extreme values, such as the maximal glomerular diameter, could improve the understanding of the data distribution and allow for better kidney failure predictions. This review provides important insights into the mechanisms underlying glomerular hyperfiltration and hypertrophy and highlights the need for further research using glomerular size, including maximum glomerular profile, calculated using needle biopsy specimens.
Language	English
Publishing date	2023-07-13
Publishing country	Switzerland
Document type	Journal Article ; Review
ZDB-ID	2775999-4
ISSN	2296-858X
ISSN	2296-858X
DOI	10.3389/fmed.2023.1179834
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Article: Visceral fat and attribute-based medicine in chronic kidney disease.

Kataoka, Hiroshi / Nitta, Kosaku / Hoshino, Junichi

Frontiers in endocrinology

2023 Volume 14, Page(s) 1097596

Abstract: Visceral adipose tissue plays a central role in obesity and metabolic syndrome and is an independent risk factor for both cardiovascular and metabolic disorders. Increased visceral adipose tissue promotes adipokine dysregulation and insulin resistance, ... ...

Abstract	Visceral adipose tissue plays a central role in obesity and metabolic syndrome and is an independent risk factor for both cardiovascular and metabolic disorders. Increased visceral adipose tissue promotes adipokine dysregulation and insulin resistance, leading to several health issues, including systemic inflammation, oxidative stress, and activation of the renin-angiotensin-aldosterone system. Moreover, an increase in adipose tissue directly and indirectly affects the kidneys by increasing renal sodium reabsorption, causing glomerular hyperfiltration and hypertrophy, which leads to increased proteinuria and kidney fibrosis/dysfunction. Although the interest in the adverse effects of obesity on renal diseases has grown exponentially in recent years, the relationship between obesity and renal prognosis remains controversial. This may be attributed to the long clinical course of obesity, numerous obesity-related metabolic complications, and patients' attributes. Multiple individual attributes influencing the pathophysiology of fat accumulation make it difficult to understand obesity. In such cases, it may be effective to elucidate the pathophysiology by conducting research tailored to individual attributes from the perspective of attribute-based medicine/personalized medicine. We consider the appropriate use of clinical indicators necessary, according to attributes such as chronic kidney disease stage, level of visceral adipose tissue accumulation, age, and sex. Selecting treatments and clinical indicators based on individual attributes will allow for advancements in the clinical management of patients with obesity and chronic kidney disease. In the clinical setting of obesity-related nephropathy, it is first necessary to accumulate attribute-based studies resulting from the accurate evaluation of visceral fat accumulation to establish evidence for promoting personalized medicine.
MeSH term(s)	Humans ; Intra-Abdominal Fat/metabolism ; Obesity/metabolism ; Metabolic Syndrome/metabolism ; Kidney/metabolism ; Renal Insufficiency, Chronic/complications ; Renal Insufficiency, Chronic/metabolism
Language	English
Publishing date	2023-02-09
Publishing country	Switzerland
Document type	Journal Article ; Review ; Research Support, Non-U.S. Gov't
ZDB-ID	2592084-4
ISSN	1664-2392
ISSN	1664-2392
DOI	10.3389/fendo.2023.1097596
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Article ; Online: A proper sequence of dynamic alignment in transtibial prosthesis: insight through socket reaction moments.

Hashimoto, Hiroshi / Kobayashi, Toshiki / Gao, Fan / Kataoka, Masataka

Scientific reports

2023 Volume 13, Issue 1, Page(s) 458

Abstract: Dynamic alignment in prosthetic fitting is important because it affects the user's stability, kinematics, and kinetics such as socket reaction moments. It is performed by tuning the spatial relationship between the transtibial prosthetic socket and the ... ...

Abstract	Dynamic alignment in prosthetic fitting is important because it affects the user's stability, kinematics, and kinetics such as socket reaction moments. It is performed by tuning the spatial relationship between the transtibial prosthetic socket and the foot following sequential observational gait analysis in the three anatomical planes. However, the order of planes in which the adjustment should be performed is still unclear. To investigate the appropriate sequence of dynamic alignment adjustment, ten participants with transtibial amputation were asked to walk in different alignment conditions (flexion, extension, adduction, abduction; lateral, medial, anterior, and posterior translation of the socket, and plantarflexion, dorsiflexion, inversion, and eversion of the foot) to measure socket reaction moments in the out-of-planes (e.g., the effect of sagittal alignment on the coronal moment). A significant difference was found only among socket posterior translation, socket flexion, and baseline alignment in the coronal moment (P = 0.02). The results of the current and previous studies suggest that moments in the coronal plane are affected by alignment changes in all three planes, whereas moments in the sagittal plane are affected only by sagittal alignment changes. It is suggested that the procedure of alignment adjustments should be finalized in the coronal plane.
MeSH term(s)	Humans ; Gait ; Artificial Limbs ; Tibia ; Amputees ; Amputation, Surgical ; Biomechanical Phenomena
Language	English
Publishing date	2023-01-10
Publishing country	England
Document type	Journal Article
ZDB-ID	2615211-3
ISSN	2045-2322 ; 2045-2322
ISSN (online)	2045-2322
ISSN	2045-2322
DOI	10.1038/s41598-023-27438-1
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Article ; Online: Valley Pseudospin Polarized Evanescent Coupling between Microwave Ring Resonator and Waveguide in Phononic Topological Insulators.

Hatanaka, Daiki / Takeshita, Hiroaki / Kataoka, Motoki / Okamoto, Hajime / Tsuruta, Kenji / Yamaguchi, Hiroshi

Nano letters

2024

Abstract: A coupled ring-waveguide structure is at the core of bosonic wave-based information processing systems, enabling advanced wave manipulations such as filtering, routing, and multiplexing. However, its miniaturization is challenging due to momentum ... ...

Abstract	A coupled ring-waveguide structure is at the core of bosonic wave-based information processing systems, enabling advanced wave manipulations such as filtering, routing, and multiplexing. However, its miniaturization is challenging due to momentum conservation issues in rings with larger curvature that induce significant backscattering and radiation leakage and hampering stable operation. Here, we address it by taking an alternative approach of using topological technology in wavelength-scale and microwave ring-waveguide coupled systems built in nanoengineered phononic crystals. Our approach, which leverages pseudospin conservation in valley topological systems, eliminates phonon backscattering and achieves directional evanescent coupling. The resultant hypersonic waves in the tiny ring exhibit robust transport and resonant circulation. Furthermore, the ring-waveguide hybridization enables critical coupling, where valley-dependent ring-waveguide interference blocks the transmission. Our findings reveal the capability of topological phenomena for managing ultrahigh-frequency phonons in nano/microscale structures and pave the way for advanced phononic circuits in classical and quantum signal processing applications.
Language	English
Publishing date	2024-04-18
Publishing country	United States
Document type	Journal Article
ISSN	1530-6992
ISSN (online)	1530-6992
DOI	10.1021/acs.nanolett.4c00806
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Article: Association between Fatigue and Hoehn-Yahr Staging in Parkinson's Disease: Eight-Year Follow-Up Study.

Kataoka, Hiroshi / Sugie, Kazuma

Neurology international

2021 Volume 13, Issue 2, Page(s) 224–231

Abstract: The severity of Parkinson's disease (PD) is developed by multifactorial factors. Falls can worsen disease severity. We previously found that frontal assessment battery (FAB) score was associated with a higher risk of future falls. This eight-year follow- ... ...

Abstract	The severity of Parkinson's disease (PD) is developed by multifactorial factors. Falls can worsen disease severity. We previously found that frontal assessment battery (FAB) score was associated with a higher risk of future falls. This eight-year follow-up study aimed to verify whether factors including low FAB score can be the risk of PD progression based on the Hoehn and Yahr scale. In total, 95 patients were initially enrolled in this research and 45 were included in the final follow-up. Then, the cohort was classified into patients with and without disease progression, defined by upgrade of Hoehn-Yahr stage. Differences in clinical characteristics between patients with disease progression and those without were evaluated using the Mann-Whitney U test. Eighteen independent variables were evaluated via a univariate logistic regression analysis. Of the 45 patients enrolled, 32 had disease progression and 13 had no progression. Age (
Language	English
Publishing date	2021-05-26
Publishing country	Italy
Document type	Journal Article
ZDB-ID	2514727-4
ISSN	2035-8377 ; 2035-8385
ISSN (online)	2035-8377
ISSN	2035-8385
DOI	10.3390/neurolint13020023
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Article: Editorial: Advances in rehabilitation for motor symptoms in neurodegenerative disease.

Kataoka, Hiroshi / Matsugi, Akiyoshi / Nikaido, Yasutaka / Hasegawa, Naoya / Kawasaki, Tsubasa / Okada, Yohei

Frontiers in human neuroscience

2023 Volume 17, Page(s) 1107061

Language	English
Publishing date	2023-02-16
Publishing country	Switzerland
Document type	Editorial
ZDB-ID	2425477-0
ISSN	1662-5161
ISSN	1662-5161
DOI	10.3389/fnhum.2023.1107061
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Article: Focal coagulative necrosis of the liver in a patient with sustained virologic response to anti-hepatitis C virus therapy.

Furuta, Akito / Oura, Shoji / Shintani, Hiroshi / Kataoka, Naoki / Tanaka, Hiroto / Takamatsu, Seigo / Ono, Wataru

Radiology case reports

2024 Volume 19, Issue 4, Page(s) 1514–1518

Abstract: A 69-year-old woman with chronic hepatitis C virus (HCV) infection was referred to our hospital due to liver enzyme abnormalities. Four years after anti-HCV therapy, the patient with sustained virologic response and no clinical symptoms developed an oval ...

Abstract	A 69-year-old woman with chronic hepatitis C virus (HCV) infection was referred to our hospital due to liver enzyme abnormalities. Four years after anti-HCV therapy, the patient with sustained virologic response and no clinical symptoms developed an oval hepatic mass with mixed high and low internal echoes near the portal vein on ultrasound. Magnetic resonance imaging (MRI) of the liver lesion showed a slightly hypo intense pattern on T1-weighted images, a hyper intense pattern both on T2- and diffusion-weighted images, a slight rim enhancement pattern with no intra-lesional enhancement up to the late phase, and a very low intense pattern on hepatobiliary phase images. Positron emission tomography/computed tomography (PET / CT) showed no areas of avid radiotracer uptake in the liver. No tumor markers showed abnormally high values. All these images and laboratory findings led us to the assessment of the liver lesion as a non-neoplastic disorder. However, due to the patient's strong preference to get both definitive diagnosis and cure of the lesion, the patient underwent laparoscopic partial hepatectomy. Pathological study showed 2 necrotic areas surrounded by multiple lymph follicles, epithelioid cells, lymphocytes, collagen fibers, and plasma cells, leading to the diagnosis of focal coagulative necrosis of the liver (FCNL). Physicians should note that FCNL can occur without any symptoms and can be diagnosed at least as a non-neoplastic disorder with combined MRI and PET/CT analysis.
Language	English
Publishing date	2024-01-22
Publishing country	Netherlands
Document type	Case Reports
ZDB-ID	2406300-9
ISSN	1930-0433
ISSN	1930-0433
DOI	10.1016/j.radcr.2024.01.035
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Article: Health-Related Quality of Life May Predict Disease Staging in 10 Years in Parkinson Disease With Hoehn-Yahr Stage III.

Kataoka, Hiroshi / Sugie, Kazuma

Neurology. Clinical practice

2021 Volume 11, Issue 3, Page(s) e261–e266

Abstract: Background: Ten years ago, we examined 30 patients with Hoehn-Yahr stage III Parkinson disease (PD) to determine predictors related to falling, including walking speed, step number, and step time by using the originally designed narrowed paths. We ... ...

Abstract	Background: Ten years ago, we examined 30 patients with Hoehn-Yahr stage III Parkinson disease (PD) to determine predictors related to falling, including walking speed, step number, and step time by using the originally designed narrowed paths. We verified the increased number of steps as greater risk for an upgrade of Hoehn-Yahr stage in a 6-year period. We further prospectively studied the same patients whether the step number on a sudden narrow path persists as a predictor of the severity of PD. Methods: The follow-up patients were divided into 2 groups-patients with and without an increase in Hoehn-Yahr stage. Variables with a significant relation to the development of Hoehn-Yahr stage on a single variable logistic regression analysis ( Results: The significant variables between patients with and without an increase in Hoehn-Yahr stage were 36-item Short-Form Health Survey (SF-36) scores at 2, 4, 6, and 8 years. Multiple logistic regression analyses after adjusting both age and disease duration showed the SF-36 score at 2, 4, 6, and 8 years. The domain in social functioning significantly differed between patients with and without deterioration of Hoehn-Yahr stage in 10 years. Conclusions: This study demonstrated the capacity of low health-related quality of life (HR-QOL) to predict future developments of PD staging in 10 years. The lower HR-QOL, particularly in social functioning, may reflect the severity of both motor and nonmotor symptoms.
Language	English
Publishing date	2021-08-13
Publishing country	United States
Document type	Journal Article
ZDB-ID	2645818-4
ISSN	2163-0933 ; 2163-0402
ISSN (online)	2163-0933
ISSN	2163-0402
DOI	10.1212/CPJ.0000000000000924
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