Honjo Daiichi Hospital

Honjō, Japan

Honjo Daiichi Hospital

Honjō, Japan
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Asayama K.,Teikyo University | Asayama K.,Tohoku University | Hozawa A.,Tohoku University | Taguri M.,Yokohama City University | And 9 more authors.
Journal of Hypertension | Year: 2017

Objective: To identify the characteristics of blood pressure (BP), heart rate (HR), and double product in a Japanese population sample. Methods: We pooled individual records from 1999 to 2005 for 111 007 participants in 25 community-based cohorts and seven worksite-based cohorts. The data were analyzed to provide information on BP, HR, and double product according to age-sex groups and use of antihypertensive medication. Results: Average BP was 130/77 mmHg among men and women combined. Among untreated individuals, SBP increased with age, whereas DBP reached a ceiling around the age of 60 years. The average SBP of treated participants was around 140 mmHg, irrespective of age, whereas DBP decreased linearly with age, and 56.4% of treated participants had a BP of 140/90 mmHg or over. HR did not differ across age groups or treatment status. The double product, also called the rate-pressure product, calculated by multiplying the SBP and the HR, increased with age among untreated individuals, whereas it first decreased and then increased with age among treated individuals. Conclusion: Based on these collaborative data, insufficient BP control in Japan, where the average life expectancy is the longest in the world, was seen. Copyright © 2017 Wolters Kluwer Health, Inc. All rights reserved.

PubMed | Japan National Cardiovascular Center Research Institute, University of Toyama, Hiraka General Hospital, Osaka University and 6 more.
Type: Journal Article | Journal: Journal of cardiology | Year: 2014

The Japanese Diastolic Heart Failure Study (J-DHF) has suggested beneficial effects of the standard-dose prescription of carvedilol in heart failure with preserved ejection fraction (HFPEF). However, it is unclear whether any risk factors modulate the effects of the standard-dose carvedilol.Data from 245 patients with HFPEF in J-DHF were evaluated. Decreased body mass index, diabetes mellitus, and left atrial (LA) dilatation were independent risk factors for both of the primary outcomes (cardiovascular death and unplanned hospitalization for heart failure) and another major composite outcome (cardiovascular death and unplanned hospitalization for any cardiovascular causes) in multivariable analysis. In patients with LA diameterthe median value (43.2mm), standard-dose carvedilol was associated with unadjusted hazard ratio (HR) 0.263 [95% confidence interval (CI): 0.080-0.859] and covariate adjusted 0.264 (0.080-0.876) for the primary outcome. In those with LA diameter<43.2mm, unadjusted and adjusted HRs were 1.123 (0.501-2.514) and 1.067 (0.472-2.412). A p-value for interaction was 0.046 (unadjusted) and 0.058 (adjusted). The similar effects of LA diameter were observed regarding another major composite outcome. The other risk factors in univariate or multivariable analyses did not influence the response to the standard-dose carvedilol.The standard-dose carvedilol may exert greater reduction of the incidence of clinical outcomes in the patients with HFPEF and advanced rather than mild diastolic dysfunction.

Fujita H.,Akita University | Taniai H.,Honjo Daiichi Hospital | Murayama H.,Honjo Daiichi Hospital | Ohshiro H.,Honjo Daiichi Hospital | And 7 more authors.
Endocrine Journal | Year: 2014

Dipeptidyl peptidase-4 (DPP-4) inhibitor is a new class of anti-diabetic drug which exerts its glucose-lowering action by suppressing the degradation of a gut incretin hormone glucagon-like peptide-1 (GLP-1). To elucidate whether treatment with stronger DPP-4 inhibitor on top of angiotensin II type 1 receptor blocker (ARB) provides greater renal protective effects, we performed a crossover study with two DPP-4 inhibitors, sitagliptin and alogliptin, in twelve type 2 diabetic patients with incipient nephropathy taking ARBs. This study consisted of three treatment periods: sitagliptin 50 mg/day for 4 weeks (first period), alogliptin 25 mg/day for 4 weeks (second period), and sitagliptin 50 mg/day for 4 weeks (third period). Significant changes in body mass index, blood pressure, serum lipids, serum creatinine, estimated glomerular filtration rate, and HbA1c were not observed among the three treatment periods. Reduced urinary levels of albumin and an oxidative stress marker 8-hydroxy-2'-deoxyguanosine (8-OHdG), increased urinary cAMP levels, and elevated plasma levels of stromal cell-derived factor-1α (SDF-1α) which is a physiological substrate of DPP-4 were observed after the switch from sitagliptin to a stronger DPP-4 inhibitor alogliptin. Given a large body of evidence indicating anti-oxidative action of cAMP and up-regulation of cellular cAMP production by SDF-1α, the present results suggest that more powerful DPP-4 inhibition on top of angiotensin II type 1 receptor blockade would offer additional protection against early-stage diabetic nephropathy beyond that attributed to glycemic control, via reduction of renal oxidative stress by SDF-1α-cAMP pathway activation. © The Japan Endocrine Society.

Yoshioka M.,Akita University | Shibata S.,Honjo Daiichi Hospital | Uchinami H.,Akita University | Watanabe G.,Akita University | And 6 more authors.
Internal Medicine | Year: 2015

We herein report the first case of a nonfunctioning islet cell tumor that transformed into a proinsulinoma during the process of metastasis to the lungs. This phenomenon was confirmed in a 69-year-old woman with an advanced pancreatic islet cell tumor and multiple liver metastases who later developed multiple lung metastases. She underwent pancreatic resection followed by the administration of chemotherapy and survived for seven years. Although the patient initially had hyperglycemia due to diabetes mellitus, she conversely began to manifest hypoglycemic attacks 63 months postoperatively with the concomitant development of multiple lung metastases. An autopsy revealed that only the tumor in the lungs produced proinsulin; no other hormones were detected. © 2015 The Japanese Society of Internal Medicine.

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