Evidence map›Paper›PMID 9350726›Full record

ArticleJournal of clinical microbiology1997

Rapid detection of Pneumocystis carinii in bronchoalveolar lavage specimens from human immunodeficiency virus-infected patients: use of a simple DNA extraction procedure and nested PCR.

M Rabodonirina, D Raffenot, L Cotte, A Boibieux, M Mayençon, G Bayle, F Persat, F Rabatel, C Trepo, D Peyramond and 1 more

Abstract read
In one paragraph

Article in Journal of clinical microbiology, 1997. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 23 papers, 2 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
23citing papers in PubMed, 2 pooled it
–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

23 citing papers in PubMed, 2 syntheses or guidelines pooled it.

  1. Polymerase Chain Reaction on Respiratory Tract Specimens of Immunocompromised Patients to Diagnose Pneumocystis Pneumonia: A Systematic Review and Meta-analysis.Clinical infectious diseases : an official publication of the Infectious Diseases Society of America · 2024
    Pooled it
  2. Pooled it
  3. Performance of a Real Time PCR forJournal of fungi (Basel, Switzerland) · 2022
    Article
  4. Pathogenic microorganism detection in AIDS patients using bronchoalveolar lavage fluid.International journal of clinical and experimental pathology · 2020
    Article
  5. Role of Pneumocystis jirovecii in patients with different pulmonary underlying condition using a nested-PCR.Revista espanola de quimioterapia : publicacion oficial de la Sociedad Espanola de Quimioterapia · 2018
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  15. Pneumocystis pneumonia in an alcoholic patient with prolonged mechanical ventilation.European journal of clinical microbiology & infectious diseases : official publication of the European Society of Clinical Microbiology · 2005
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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.

M RabodonirinaDépartement de Parasitologie et de Mycologie, Université Claude-Bernard, Lyon, France. liou@cismsun.univ-lyon1.fr
D Raffenot
L Cotte
A Boibieux
M Mayençon
G Bayle
F Persat
F Rabatel
C Trepo
D Peyramond
M A Piens

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

We report on the development of a rapid nested PCR protocol for the detection of Pneumocystis carinii DNA in bronchoalveolar lavage (BAL) specimens in which the protocol included the use of a commercially available DNA extraction kit (GeneReleaser). GeneReleaser enabled us to obtain amplification-ready DNA within 20 min without requiring the purification of the DNA. The nested PCR was performed with the primers pAZ102-E, pAZ102-H, and pAZ102-L2 (A. E. Wakefield, F. J. Pixley, S. Banerji, K. Sinclair, R. F. Miller, E. R. Moxon, and J. M. Hopkin, Lancet 336:451-453, 1990.). Results were obtained in about 4 h with the adoption of denaturation, annealing, and extension steps shortened to 20 seconds. The sensitivity of the nested PCR was tested with a P. carinii cyst suspension and was found to be less than one cyst (one to eight nuclei). The detection limit was the same with the use of GeneReleaser or proteinase K-phenol chloroform for DNA extraction. The nested PCR assay was prospectively compared with staining with Giemsa and methenamine silver stains for the detection of P. carinii in 127 BAL samples from 105 human immunodeficiency virus-infected patients investigated for acute respiratory illness. Twenty-five BAL specimens (20%) were positive by staining and the nested PCR and 25 (20%) were negative by staining and positive by the nested PCR. These 25 BAL specimens with conflicting results were obtained from 23 patients, 82% of whom were receiving prophylactic therapy against P. carinii pneumonia (PCP). Only two patients were diagnosed with possible PCP. The final diagnosis was not PCP for 20 patients who were considered to be colonized or to have a low level of infection. This colonization is not of clinical importance but is of epidemiological importance. Our rapid, simple, and sensitive amplification protocol may be performed in clinical laboratories for the routine diagnosis of PCP with BAL specimens.

Indexed as

AIDS-Related Opportunistic InfectionsBronchoalveolar Lavage FluidColoring AgentsDNA, BacterialDNA PrimersHumansPlasmidsPneumocystisPneumonia, PneumocystisPolymerase Chain ReactionReagent Kits, DiagnosticReproducibility of ResultsSensitivity and SpecificityColoring AgentsDNA, BacterialDNA PrimersReagent Kits, Diagnostic

Identifiers

PMID9350726
PMCPMC230054

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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.