Use of pleural fluid C-reactive protein in diagnosis of pleural effusions

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dc.authoridTürköz, Yusuf/0000-0001-5401-0720;
dc.authorwosidTürköz, Yusuf/ABG-7931-2020
dc.authorwosidErgun, Pınar/AAB-6598-2020
dc.authorwosidYılmaz, Ülkü/HKN-2974-2023
dc.contributor.authorTuray, ÜY
dc.contributor.authorYildirim, Z
dc.contributor.authorTürköz, Y
dc.contributor.authorBiber, Ç
dc.contributor.authorErdogan, Y
dc.contributor.authorKeyf, AI
dc.contributor.authorUgurman, F
dc.date.accessioned2024-08-04T20:12:09Z
dc.date.available2024-08-04T20:12:09Z
dc.date.issued2000
dc.departmentİnönü Üniversitesien_US
dc.description.abstractThe aims of the study were to assess whether C-reactive protein (CRP) is a sensitive marker for discriminating between transudative and exudative and pleural effusions to evaluate whether it can be used to distinguish inflammatory pleural effusions from other types of effusion. Pleural fluid and serum CRP levels were obtained in 97 patients with pleural effusion, using an immunoturbidimetric method (Olympus AU-600 autoanalyser). We compared CRP levels between transudates and exudates, inflammatory effusions and other types of effusion. According to the criteria used, 16 patients were included in the transudate group and 81 patients in the exudate group. Pleural fluid CRP levels were significantly lower in the transudate group (P < 0.04; 14.9 +/- 4.9 mg l(-1) and 35.5 +/- 4.9 mg l(-1) respectively). Also, the ratio of pleural fluid to serum was significantly lower in the transudate group (P < 0.009 0.8 +/- 0.5 mg l(-1) and 2.8 +/- 0.7 mg l(-1), respectively). In the exudate group, 35 patients had neoplastic effusions, 10 chronic non-specific pleurisy, 19 tuberculous pleurisy, 16 parapneumonic effusion and one Dressier Syndrome. When these sub-groups were compared, the parapneumonic effusion subgroup CRP levels (mean 89 +/- 16.3 mg l(-1)) were significantly higher than those in the other subgroups, other exudate of neoplastic effusion. tuberculous pleurisy and chronic non-specific effusion and the transudate group (P < 0.0001; P < 0.0001; P < 0.0004 and P < 0.0001. respectively). The ratio between pleural fluid and serum CRP was significantly higher in the parapneumonic effusion subgroup than in the neoplastic subgroup (P < 0.0002; 6.6 +/- 2.7 mgl(-1) and 1 +/- 0.2 mg l(-1), respectively). Pleural fluid CRP levels >30 mg l(-1) ! had a high sensitivity (93.7%) and specificity (76.5%) and a positive predictive value of 98.4%. In the differential diagnosis of pleural effusions, higher CRP levels may prove to be a rapid, practical and accurate method of differentiating parapneumonic effusions from other exudate types. Although the high level of CRP obtained in the exudate group may be due to the number of patients with parapneumonic effusion who were included, the pleural CRP level may also be helpful in discriminating between exudative and transudative pleural effusions.en_US
dc.identifier.doi10.1053/rmed.1999.0759
dc.identifier.endpage435en_US
dc.identifier.issn0954-6111
dc.identifier.issue5en_US
dc.identifier.pmid10868705en_US
dc.identifier.scopus2-s2.0-0034091451en_US
dc.identifier.scopusqualityQ1en_US
dc.identifier.startpage432en_US
dc.identifier.urihttps://doi.org/10.1053/rmed.1999.0759
dc.identifier.urihttps://hdl.handle.net/11616/93256
dc.identifier.volume94en_US
dc.identifier.wosWOS:000087481200005en_US
dc.identifier.wosqualityQ2en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.indekslendigikaynakPubMeden_US
dc.language.isoenen_US
dc.publisherW B Saunders Co Ltden_US
dc.relation.ispartofRespiratory Medicineen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.subjectC-reactive proteinen_US
dc.subjectpleural effusionen_US
dc.titleUse of pleural fluid C-reactive protein in diagnosis of pleural effusionsen_US
dc.typeArticleen_US

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