Evidence map›Paper›PMID 24366580›Full record

ArticleBMJ open2013

Molecular analysis of sarcoidosis lymph nodes for microorganisms: a case-control study with clinical correlates.

Lary A Robinson, Prudence Smith, Dhruba J Sengupta, Jennifer L Prentice, Ramon L Sandin

Open access · goldAbstract read
In one paragraph

Article in BMJ open, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 13 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
13citing papers in PubMed, 1 pooled it
0.5field-weighted citation impact, top 31% 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

13 citing papers in PubMed, 1 synthesis or guideline pooled it, 15 citations in OpenAlex.

  1. Pooled it
  2. Review
  3. Incidence, management and prognosis of new-onset sarcoidosis post COVID-19 infection.Sarcoidosis, vasculitis, and diffuse lung diseases : official journal of WASOG · 2024
    Article
  4. Offense and Defense in Granulomatous Inflammation Disease.Frontiers in cellular and infection microbiology · 2022
    Review
  5. Effects of Liraglutide on Nonalcoholic Fatty Liver Disease in Patients with Type 2 Diabetes Mellitus: A Systematic Review and Meta-Analysis.Diabetes therapy : research, treatment and education of diabetes and related disorders · 2021
    Article
  6. Review
  7. Article
  8. Review
  9. Sarcoidosis in A. C. Milan (1899)?Open access Macedonian journal of medical sciences · 2018
    Article
  10. Article
  11. Article
  12. Overexpression of IL-17RC associated with ocular sarcoidosis.Journal of translational medicine · 2014
    Article
  13. Sarcoidosis - A review article.Journal of oral and maxillofacial pathology : JOMFP
    Review
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

5 authors at 2 institutions in 1 country.

Lary A RobinsonDivision of Thoracic Oncology, Center for Infection Research in Cancer, Moffitt Cancer Center, Tampa, Florida, USA.
Prudence Smith
Dhruba J Sengupta
Jennifer L Prentice
Ramon L Sandin
Moffitt Cancer Center · USUniversity of Washington · US

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

introductionSarcoidosis is an incurable, chronic granulomatous disease primarily involving the lungs and lymph nodes of unknown aetiology, treated with non-specific anti-inflammatory/immunosuppressive drugs. Persistently symptomatic patients worsen with a disabling, potentially fatal clinical course. To determine a possible infectious cause, we correlated in a case-control study the clinical information with the presence of bacterial DNA in sarcoidosis mediastinal lymph nodes compared with control lymph nodes resected during cancer surgery.

methodsWe retrospectively studied formalin-fixed, paraffin-embedded, mediastinal lymph nodes from 30 patients with sarcoidosis and 30 control patients with lung cancer. Nucleic acids were extracted from nodes, evaluated by ribosomal RNA PCR for bacterial 16S ribosomal DNA and the results were sequenced and compared with a bacterial sequence library. Clinical information was correlated.

results11/30 (36.7%) of lymph nodes from patients with sarcoidosis had detectable bacterial DNA, significantly more than control patient lymph nodes (2/30, 6.7%), p=0.00516. At presentation, 19/30 (63.3%) patients with sarcoidosis were symptomatic including all patients with detectable bacterial DNA. Radiographically, there were 18 stage I and 12 stage II patients. All stage II patients were symptomatic and 75% had PCR-detectable bacteria. After a mean follow-up of 52.8±32.8 months, all patients with PCR-detectable bacteria in this series were persistently symptomatic requiring treatment. DISCUSSION: 36.6% of patients with sarcoidosis had detectable bacterial DNA on presentation, all of these patients were quite symptomatic and most were radiographically advanced stage II. These findings suggest that bacterial DNA-positive, symptomatic patients have more aggressive sarcoidosis that persists long term and might benefit from antimicrobial treatment directed against this presumed chronic granulomatous infection.

Indexed as

BACTERIOLOGYMICROBIOLOGY

Identifiers

PMID24366580
PMCPMC3884606
OpenAlexW2127190941

What OpenQuestion holds

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Registered trials

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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.