Yoshihiro Ônishi

ORCID: 0009-0001-4682-0691
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About
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Research Areas
  • Algebraic Geometry and Number Theory
  • Parathyroid Disorders and Treatments
  • Dialysis and Renal Disease Management
  • Pharmacological Effects and Toxicity Studies
  • Advanced Algebra and Geometry
  • Musculoskeletal pain and rehabilitation
  • Polynomial and algebraic computation
  • Nonlinear Waves and Solitons
  • Analytic Number Theory Research
  • Seismic Performance and Analysis
  • Magnesium in Health and Disease
  • Spine and Intervertebral Disc Pathology
  • Superconducting Materials and Applications
  • Medical Imaging Techniques and Applications
  • Advanced Mathematical Identities
  • Nutrition and Health in Aging
  • Erythropoietin and Anemia Treatment
  • Heart Failure Treatment and Management
  • Cerebral Palsy and Movement Disorders
  • Bone and Joint Diseases
  • Gout, Hyperuricemia, Uric Acid
  • Seismic Waves and Analysis
  • Chronic Kidney Disease and Diabetes
  • Balance, Gait, and Falls Prevention
  • Scoliosis diagnosis and treatment

National Institutes for Quantum Science and Technology
2021-2024

Institute for Health Economics and Policy
2023

Kyoto International University
2023

PE International (Germany)
2011-2022

Meijo University
2014-2021

Kobe City Medical Center General Hospital
2020

Human Factors (Norway)
2017

The University of Tokyo
2016

Kyoto University
2008-2014

Kyoto Architecture University
2008-2014

Abstract Let $e$ and $q$ be fixed co-prime integers satisfying $1\lt e\lt q$ . $\mathscr {C}$ a certain family of deformations the curve $y^e=x^q$ That is called $(e,q)$ -curve one types curves plane telescopic curves. $\varDelta$ discriminant Following pioneering work by Buchstaber Leykin (BL), we determine canonical basis $\{ L_j \}$ space derivations tangent to variety $\varDelta =0$ describe their specific properties. Such set gives rise system linear partial differential equations (heat...

10.1017/s0017089524000417 article EN Glasgow Mathematical Journal 2025-02-28

Background: no study has examined the longitudinal association between hand-grip strength and mental health, such as depressive symptoms. Objective: we investigated relationship baseline risk of Design: a prospective cohort study. Setting Subjects: with 1-year follow-up was conducted using 4,314 subjects from community-dwelling individuals aged 40–79 years in two Japanese municipalities, based on Locomotive Syndrome Health Outcomes Aizu Cohort Study (LOHAS, 2008–10). Methods: assessed...

10.1093/ageing/afv013 article EN Age and Ageing 2015-02-21

In the present study, we aimed to identify multimorbidity patterns in a Japanese population and investigate whether these have differing effects on polypharmacy dosage frequency. Data was collected 17 chronic health conditions via nationwide cross-sectional survey of 3,256 adult residents. Factor analysis performed patterns, associations were determined with excessive [concurrent use ≥ 10 prescription or over-the-counter (OTC) medications] higher frequency ( 3 doses per day). Secondary...

10.1038/s41598-018-21917-6 article EN cc-by Scientific Reports 2018-02-22

Inadequate sleep is correlated with morbidity and mortality among older adults. However, the longitudinal relationship between subjective quality risk of falls in elderly population remains to be clarified.Study participants were from Locomotive Syndrome Health Outcome Aizu Cohort Study (LOHAS) sites (1,071 community-dwelling people ≧65 years age, mean: 71 years). Subjective was measured by Pittsburgh Sleep Quality Index (PSQI). Occurrence (defined as experiencing at least one fall) during...

10.1093/gerona/glx123 article EN The Journals of Gerontology Series A 2017-06-17

Abstract Cinacalcet lowers parathyroid hormone levels. Whether it can prolong survival of people with chronic kidney disease (CKD) complicated by secondary hyperparathyroidism (SHPT) remains controversial, in part because a recent randomized trial excluded patients iPTH <300 pg/ml. We examined cinacalcet’s effects at different This was prospective case-cohort and cohort study involving 8229 CKD stage 5D requiring maintenance hemodialysis who had SHPT. studied relationships between...

10.1038/srep19612 article EN cc-by Scientific Reports 2016-04-13

Background Few risk scores are available for predicting mortality in chronic kidney disease (CKD) patients undergoing predialysis nephrology care. Here, we developed a score using practice data to predict 1-year following the initiation of haemodialysis (HD) CKD patients. Methods This was multicenter cohort study involving who started HD between April 2006 and March 2011 at 21 institutions with care services. Patients had not received an estimated glomerular filtration rate (eGFR)...

10.1371/journal.pone.0129180 article EN cc-by PLoS ONE 2015-06-09

Background Patients with chronic kidney disease, especially those undergoing dialysis treatment and having secondary hyperparathyroidism, have a high risk of bone fracture. The renin-angiotensin system (RAS) is associated osteoclastic resorption. We aimed to examine whether the use RAS inhibitors reduces incidence fracture in hemodialysis patients. Methods Findings This was multicenter, 3-year, prospective, observational study. From 2008 2011, maintenance patients hyperparathyroidism (N =...

10.1371/journal.pone.0122691 article EN cc-by PLoS ONE 2015-04-13

<i>Background/Aims:</i> The Mineral and Bone Disorder Outcomes Study for Japanese CKD Stage 5D Patients (MBD-5D) is a multicenter, prospective observational study of hemodialysis patients with secondary hyperparathyroidism (SHPT) in Japan, where the national guideline recommends targets serum calcium (8.4–10.0 mg/dl), phosphorus (3.5–6.0 intact parathyroid hormone (PTH) (60–180 pg/ml). <i>Methods:</i> MBD-5D involved who were receiving more than 3 months met at least...

10.1159/000327654 article EN cc-by-nc American Journal of Nephrology 2011-01-01

Abstract. Purpose: The aim of the study was to determine prevalence and risk factors for pterygium in a population aged 40–74 years Fukushima Prefecture, Japan. Methods: Of 4185 citizens towns Minamiaizu‐machi Tadami‐machi, 2312 (55.2%) gave consent an ocular examination during health examination. Pterygium diagnosed when radially oriented fibrovascular lesion growing over limbus into cornea observed. Eyes with history excision were also pterygium. Prevalence associated investigated....

10.1111/aos.12044 article EN other-oa Acta Ophthalmologica 2013-04-01

Objectives To examine the association between overactive bladder (OAB) symptom severity and falls contribution of OAB symptoms to in a community-dwelling population. Design Cross-sectional study. Setting 2 Japanese municipalities. Participants A total 2505 residents aged over 40 years, who participated health check-ups conducted 2010. assessed via score (OABSS) was divided into six categories based on distribution clinical guidelines. Mobility problems depressive were Timed Up Go test short...

10.1136/bmjopen-2012-002413 article EN cc-by-nc BMJ Open 2013-01-01

Prescription patterns for hemodialysis patients with secondary hyperparathyroidism have varied widely since market introduction of cinacalcet. This study examined associations between prescription and subsequent laboratory values.Using a Mineral Bone Disorder Outcomes Study Japanese CKD Stage 5D Patients subcohort, 1716 prevalent (4048 sets repeated measures January 2008 July 2009) an intact parathyroid hormone (iPTH) level >180 pg/ml who used intravenous vitamin D receptor activator (VDRA)...

10.2215/cjn.13081211 article EN Clinical Journal of the American Society of Nephrology 2012-07-20

BackgroundControversy continues as to whether single-incision laparoscopic cholecystectomy, with the somewhat larger incision at umbilicus, may lead a worse postoperative quality of life and more pain compared classic 4-port cholecystectomy. The aim this study was compare cholecystectomy from perspective life.MethodsThis multicenter, parallel-group, open-label, randomized clinical trial. A total 120 patients who were scheduled undergo elective randomly assigned 1:1 into or group then...

10.1016/j.surg.2018.08.004 article EN cc-by-nc-nd Surgery 2018-10-10

Control of serum concentrations calcium (Ca), phosphorus (P), and parathyroid hormone (PTH) is essential for management secondary hyperparathyroidism (SHPT).This a planned interim analysis longitudinal cohort study. The settings are dialysis facilities in Japan. Eligible patients comprise all those who were receiving hemodialysis at one 86 participating have SHPT. Using data from random sample (n = 3276) the participants January 2008 through June 2009, we measured changes percentages within...

10.2215/cjn.11501210 article EN Clinical Journal of the American Society of Nephrology 2011-08-12

The extent of contribution disturbed magnesium balance to mortality remains unclear among hemodialysis patients.

10.1093/ckj/sfv097 article EN cc-by-nc Clinical Kidney Journal 2015-11-20

Abstract In this paper we give an elegant generalization of the formula Frobenius–Stickelberger from elliptic curve theory to all hyperelliptic curves. A Kiepert type is also obtained by a limiting process generalization. appendix determinant expression D. G. Cantor derived.

10.1017/s0013091503000695 article EN Proceedings of the Edinburgh Mathematical Society 2005-09-15

Background Cardiovascular (CV) events are the primary cause of death and becoming bedridden among hemodialysis (HD) patients. The Framingham risk score (FRS) is useful for predicting incidence CV in general population, but considerd to be unsuitable prediction HD patients, given their characteristics due atypical relationships between conventional factors outcomes. We therefore aimed develop a new prognostic model prevention early detection Methods enrolled 3,601 maintenance patients based...

10.1371/journal.pone.0173468 article EN cc-by PLoS ONE 2017-03-08
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