Evidence map›Paper›PMID 15906756›Full record

ArticleDigestive diseases and sciences2005

Prevalence of Helicobacter pylori infection in male patients with osteoporosis and controls.

N Figura, L Gennari, D Merlotti, C Lenzi, S Campagna, B Franci, B Lucani, L Trabalzini, L Bianciardi, C Gonnelli and 2 more

Abstract read
PubMed Publisher
In one paragraph

Article in Digestive diseases and sciences, 2005. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 27 papers, 2 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
27citing papers in PubMed, 2 pooled it
1.7field-weighted citation impact, top 15% 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

27 citing papers in PubMed, 2 syntheses or guidelines pooled it, 54 citations in OpenAlex.

  1. Relationship betweenBMJ open · 2019
    Pooled it
  2. Pooled it
  3. Trial
  4. Article
  5. Bone Fragility in Gastrointestinal Disorders.International journal of molecular sciences · 2022
    Review
  6. Review
  7. Review
  8. Article
  9. Correlation betweenGastroenterology research and practice · 2018
    Article
  10. Article
  11. Pathogenesis of the intravertebral vacuum of Kümmell's disease.Experimental and therapeutic medicine · 2016
    Article
  12. Article
  13. Helicobacter pylori: A Possible Risk Factor for Bone Health.Korean journal of family medicine · 2015
    Article
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  15. Article
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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

12 authors at 1 institution in 1 country.

N FiguraDepartment of Internal Medicine, Endocrine-Metabolic Sciences and Biochemistry, University of Siena, Siena, Italy. figura@unisi.it
L Gennari
D Merlotti
C Lenzi
S Campagna
B Franci
B Lucani
L Trabalzini
L Bianciardi
C Gonnelli
A Santucci
A Nut
University of Siena · IT

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Cytokines that regulate bone turnover (tumor necrosis factor-alpha, interleukin-6, etc.) may influence the pathogenesis of skeleton disorders, such as osteoporosis. Since Helicobacter pylori infection increases the systemic levels of inflammatory cytokines, we investigated the possibility that this infection increases the risk of developing osteoporosis and affects the bone metabolism in a group of male patients with osteoporosis. We examined 80 osteoporotic male patients and 160 controls for serum antibodies to H. pylori and the CagA protein and determined, in patients alone, the most important biochemical and instrumental parameters of the disease. Fifty-one patients (63.7%) and 107 controls (66.8%) were seropositive for H. pylori infection (nonsignificant); 30 infected patients (58.8%) and 43 infected controls (40.1%) were positive for anti-CagA antibodies (P = 0.028; OR = 2.13). Levels of estradiol in infected CagA-positive patients were significantly lower than in infected CagA-negative patients (28.5 [SD = 10.18] vs. 39.5 [SD = 14.50] pg/ml; P = 0.002) and uninfected patients (35.2 [SD = 12.7] pg/ml; P = 0.028). Levels of urinary cross-laps(a marker of bone resorption) were increased in patients infected by CagA-positive strains compared to patients infected by CagA-negative strains (282.9 [SD = 103.8] vs. 210.5 [SD = 150.1]microg/mmol; P = 0.048) and uninfected patients (204.3 [SD = 130.1] microg/mmol; P = 0.016). Differences among uninfected and infected patients, independent of CagA status, were observed for other markers of bone turnover, but they did not reach statistical significance. Infection by CagA-positive H. pylori strains is more prevalent in men with osteoporosis, who show reduced systemic levels of estrogens and increased bone turnover. H. pylori infection by strains expressing CagA may therefore be considered a risk factor for osteoporisis in men.

Indexed as

Helicobacter pyloriAgedAntibodies, BacterialAntigens, BacterialBacterial ProteinsBone RemodelingCase-Control StudiesHelicobacter InfectionsHumansMaleMiddle AgedOsteoporosisRisk FactorsSeroepidemiologic StudiesAntibodies, BacterialAntigens, BacterialBacterial ProteinscagA protein, Helicobacter pylori

Identifiers

PMID15906756
OpenAlexW2068229400

What OpenQuestion holds

Textmetadata
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.