Biochemia Medica, Vol. 28 No. 3, 2018.
Recenzija, Prikaz slučaja
https://doi.org/10.11613/BM.2018.031001
Effect of cold agglutinins on red blood cell parameters in a trauma patient: a case report
Anita Topic
orcid.org/0000-0003-1740-4397
; Department of clinical chemistry, Sestre milosrdnice University Hospital Center, Zagreb, Croatia
Lara Milevoj Kopcinovic
orcid.org/0000-0003-0360-9148
; Department of clinical chemistry, Sestre milosrdnice University Hospital Center, Zagreb, Croatia
Ana Bronic
orcid.org/0000-0001-7383-328X
; Department of clinical chemistry, Sestre milosrdnice University Hospital Center, Zagreb, Croatia
Marina Pavic
orcid.org/0000-0003-0183-4712
; Department of clinical chemistry, Sestre milosrdnice University Hospital Center, Zagreb, Croatia
Sažetak
The presence of cold agglutinins (CAs) in samples intended for complete blood count (CBC) using automated haematology analysers might cause
serious preanalytical errors. In this report we describe the case of a 90-year old female patient admitted to the Emergency department following
trauma injuries. A blood testing on admission revealed surprisingly low red blood cell count (0.99 x 1012/L), low haematocrit (0.102 L/L) which did
not correlate with haemoglobin concentration (100 g/L), and high erythrocytes indices (mean corpuscular haemoglobin, 101 pg; mean corpuscular
haemoglobin concentration, 980 g/L). In the second sample, after repeated collection, almost equal results were observed. Blood smear examination
under the microscope revealed clusters of erythrocytes. Cold agglutinins presence was suspected and, in order to get valid results, sample was
warmed to 37 °C. Correction of CBC was observed. Furthermore, we performed some additional analysis to confirm the presence of CAs in this patient.
The aim of this report was to present the laboratory findings in a case of CAs and propose a laboratory procedure for whole blood samples with
suspected CAs.
Ključne riječi
cold agglutinins; preanalytical errors; red blood cell count; spurious complete blood count results
Hrčak ID:
206790
URI
Datum izdavanja:
15.10.2018.
Posjeta: 1.589 *