Evidence map›Paper›PMID 21670416›Full record

ArticleHypertension (Dallas, Tex. : 1979)2011

Relationship between urinary angiotensinogen and salt sensitivity of blood pressure in patients with IgA nephropathy.

Yoshio Konishi, Akira Nishiyama, Takashi Morikawa, Chizuko Kitabayashi, Mikiko Shibata, Masahiro Hamada, Masatsugu Kishida, Hirofumi Hitomi, Hideyasu Kiyomoto, Takenori Miyashita and 4 more

Open access · bronzeAbstract read
In one paragraph

Article in Hypertension (Dallas, Tex. : 1979), 2011. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 31 papers, 2 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
31citing papers in PubMed, 2 pooled it
3.3field-weighted citation impact, top 7% of its field
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

31 citing papers in PubMed, 2 syntheses or guidelines pooled it, 42 citations in OpenAlex.

  1. Non-immunosuppressive treatment for IgA nephropathy.The Cochrane database of systematic reviews · 2024
    Pooled it
  2. Altered dietary salt intake for people with chronic kidney disease.The Cochrane database of systematic reviews · 2021
    Pooled it
  3. Trial
  4. Trial
  5. A randomized trial of dietary sodium restriction in CKD.Journal of the American Society of Nephrology : JASN · 2013
    Trial
  6. Trial
  7. Review
  8. Review
  9. Review
  10. Review
  11. Circadian regulation of kidney function: finding a role for Bmal1.American journal of physiology. Renal physiology · 2018
    Review
  12. Article
  13. Effects of sodium-glucose cotransporter 2 inhibitors on urinary excretion of intact and total angiotensinogen in patients with type 2 diabetes.Journal of investigative medicine : the official publication of the American Federation for Clinical Research · 2017
    Article
  14. Circadian rhythm of blood pressure and the renin-angiotensin system in the kidney.Hypertension research : official journal of the Japanese Society of Hypertension · 2017
    Review
  15. Article
  16. Article
  17. Article
  18. Hypertension in Chronic Glomerulonephritis.Electrolyte & blood pressure : E & BP · 2015
    Review
  19. Article
  20. Article
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

14 authors at 2 institutions in 1 country.

Yoshio KonishiDivision of Nephrology and Hypertension, Osaka City General Hospital, 2-13-22 Miyakojima-Hondori, Miyakojima-ku, Osaka 534-0021, Japan. ymsry-ko@msic.med.osaka-cu.ac.jp
Akira Nishiyama
Takashi Morikawa
Chizuko Kitabayashi
Mikiko Shibata
Masahiro Hamada
Masatsugu Kishida
Hirofumi Hitomi
Hideyasu Kiyomoto
Takenori Miyashita
Nozomu Mori
Maki Urushihara
Hiroyuki Kobori
Masahito Imanishi
Kagawa University · JPOsaka City General Hospital · JP

Funding

Intrarenal Augmentation of Angiotensinogen by Ang IIR01DK072408 · NIDDK · TULANE UNIVERSITY OF LOUISIANA · PI NAVAR, LUIS GABRIEL · 2006 to 2010
$1.2M
NIDDK NIH HHS R01 DK072408NIDDK NIH HHS R01DK072408
6 · The paper itself

Abstract

We demonstrated previously that the blood pressure of patients with IgA nephropathy becomes salt sensitive as renal damage progresses. We also showed that increased urinary angiotensinogen levels in such patients closely correlate with augmented renal tissue angiotensinogen gene expression and angiotensin II levels. Here, we investigated the relationship between urinary angiotensinogen and salt sensitivity of blood pressure in patients with IgA nephropathy. Forty-one patients with IgA nephropathy consumed an ordinary salt diet (12 g/d of NaCl) for 1 week and a low-salt diet (5 g/d of NaCl) for 1 week in random order. The salt-sensitivity index was calculated as the reciprocal of the slope of the pressure-natriuresis curve drawn by linking 2 data points obtained during consumption of each diet. The urinary angiotensinogen:creatinine ratio was significantly higher in patients who consumed the ordinary salt diet compared with the low-salt diet (17.5 μg/g [range: 7.3 to 35.6 μg/g] versus 7.9 μg/g [range: 3.1 to 14.2 μg/g] of creatinine, respectively; P<0.001). The sodium sensitivity index in our patients positively correlated with the glomerulosclerosis score (r=0.43; P=0.008) and changes in logarithmic urinary angiotensinogen:creatinine ratio (r=0.37; P=0.017) but not with changes in urinary protein excretion (r=0.18; P=0.49). In contrast, changes in sodium intake did not alter the urinary angiotensinogen:creatinine ratio in patients with Ménière disease and normal renal function (n=9). These data suggest that the inappropriate augmentation of intrarenal angiotensinogen induced by salt and associated renal damage contribute to the development of salt-sensitive hypertension in patients with IgA nephropathy.

Indexed as

AdultAngiotensinogenBlood PressureFemaleGlomerulonephritis, IGAHumansKidneyMaleMiddle AgedRenin-Angiotensin SystemRetrospective StudiesSodium Chloride, DietaryAngiotensinogenSodium Chloride, Dietary

Identifiers

PMID21670416
PMCPMC3161117
OpenAlexW2105397431

What OpenQuestion holds

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Read underepoch 390

Registered trials

None linked

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.