Evidence map›Paper›PMID 30290781›Full record

ArticleBMC nephrology2018

Mineral and bone disorder management in hemodialysis patients: comparing PTH control practices in Japan with Europe and North America: the Dialysis Outcomes and Practice Patterns Study (DOPPS).

Suguru Yamamoto, Angelo Karaboyas, Hirotaka Komaba, Masatomo Taniguchi, Takanobu Nomura, Brian A Bieber, Patricia De Sequera, Anders Christensson, Ronald L Pisoni, Bruce M Robinson and 1 more

Abstract readComparative Study
In one paragraph

Article in BMC nephrology, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 18 papers.

0numbers the graph read from it
0cells of the map it votes in
18citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

18 citing papers in PubMed.

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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

11 authors.

Suguru YamamotoDivision of Clinical Nephrology and Rheumatology, Niigata University Graduate School of Medical and Dental Sciences, 1-757 Asahimachi-dori, Niigata, 951-8510, Japan. yamamots@med.niigata-u.ac.jp.
Angelo KaraboyasArbor Research Collaborative for Health, Ann Arbor, MI, USA.
Hirotaka KomabaDivision of Nephrology, Endocrinology and Metabolism, Tokai University School of Medicine, Isehara, Japan.
Masatomo TaniguchiFukuoka Renal Clinic, Fukuoka, Japan.
Takanobu NomuraMedical Affairs Department, Kyowa Hakko Kirin Co. Ltd., Tokyo, Japan.
Brian A BieberArbor Research Collaborative for Health, Ann Arbor, MI, USA.
Patricia De SequeraUniversity Hospital Infanta Leonor, Madrid, Spain.
Anders ChristenssonDepartment of Nephrology, Skåne University Hospital, Malmö-, Lund, Sweden.
Ronald L PisoniArbor Research Collaborative for Health, Ann Arbor, MI, USA.
Bruce M RobinsonArbor Research Collaborative for Health, Ann Arbor, MI, USA.
Masafumi FukagawaDivision of Nephrology, Endocrinology and Metabolism, Tokai University School of Medicine, Isehara, Japan.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundHigh-circulating level of parathyroid hormone (PTH) is associated with elevated mortality in dialysis patients. The Japanese Society for Dialysis Therapy guideline suggests a lower PTH target than other international guidelines; thus, PTH control may differ in Japan compared with other regions, and be associated with mortality.

methodsWe analyzed data from hemodialysis patients with ≥3 measurements of PTH during the first 9 months after enrollment in the Dialysis Outcomes and Practice Patterns Study (DOPPS) phases 4-5 (2009-2015). PTH control was assessed by the mean, slope, and mean squared error (MSE) of all PTH measurements over the 9-month run-in period. Distribution of each PTH control was assessed by regions (Europe/Australia/New Zealand [Eur/ANZ], Japan and North America) and dialysis vintage. Mortality rates were compared across PTH control categories using Cox regression models.

resultsMean PTH was lower in Japan than in other regions across dialysis vintage categories. In patients with dialysis vintage < 90 days, PTH level was more likely to decline > 5% per month in Japan (48% of patients) versus Eur/ANZ (35%) and North America (35%). In patients with dialysis vintage > 1 year, Japanese patients maintained steady PTH, while patients in Eur/ANZ and North America were more likely to experience a PTH increase. Mean PTH was associated with mortality in the overall samples (highest mortality rate for PTH > 600 pg/mL, hazard ratio, 1.35; 95% confidence interval, 1.20 to 1.52 vs PTH 200-399 pg/mL), and the association was obvious in the prevalent patients (hazard ratio, 1.44; 95% confidence interval, 1.26 to 1.65). PTH slope and MSE did not show significant association with mortality in the overall sample as well as in subjects stratified both by region and dialysis vintage.

conclusionPTH control in hemodialysis patients, as measured by keeping a stable PTH level over 9 months, was observed in Japan contrasted with other regions. High PTH mean, but not increased PTH slope and MSE, was associated with mortality especially in prevalent patients.

Indexed as

Bone DensityAdultBone DiseasesEuropeFemaleHumansJapanKidney Failure, ChronicMaleMiddle AgedNorth AmericaParathyroid HormonePractice Patterns, Physicians'Proportional Hazards ModelsProspective StudiesRenal DialysisParathyroid HormoneDialysis outcomes and practice patterns studyHemodialysisJapanese society for Dialysis therapyParathyroid hormonePTH slope

Identifiers

PMID30290781
PMCPMC6173912

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.