Abnormal gel flotation in a patient with apperant pneumonia diagnosis: a case report

Serum blood collection tubes with separator gel are widely used by many laboratories for chemistry analyses. We describe a case of a primary blood collection tube filled with blood sample and a floating separator gel. The blood sample was collected from a 51 years old female in intensive care unit w...

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Veröffentlicht in:Biochemia medica 2014-01, Vol.24 (1), p.180-182
Hauptverfasser: Gerin, Fethullah, Ramazan, Dilber Coban, Baykan, Ozgur, Sirikci, Onder, Haklar, Goncagul
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Sprache:eng
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Zusammenfassung:Serum blood collection tubes with separator gel are widely used by many laboratories for chemistry analyses. We describe a case of a primary blood collection tube filled with blood sample and a floating separator gel. The blood sample was collected from a 51 years old female in intensive care unit with the diagnosis of pneumonia into a BD Vacutainer SST tube (Becton Dickinson, NJ, USA) containing serum separator gel and conveyed to the core laboratory of Marmara University Hospital within 30 minutes from collection. Sample was immediately centrifuged at room temperature at 1500 × g for 10 minutes. The analyses revealed a highly increased total protein concentration of 145 g/L (reference interval 64-83 g/L). The nephelometric analyses showed an elevated serum IgG concentration of 108 g/L (reference interval 6.5-16 g/L) and IgG lambda monoclonal band was determined by serum immunofixation electrophoresis. Limitation of the separator gel tubes in patients with a high plasma density and its possible effects on test results and laboratory costs should be remembered. The clinical diagnosis stated in the information system should also reveal known comorbid conditions besides the apparent admission reason. This information would avoid resampling, additional testing, and communication efforts with the clinicians.
ISSN:1330-0962
1846-7482
1846-7482
DOI:10.11613/BM.2014.021