PMID- 25559211 OWN - NLM STAT- MEDLINE DCOM- 20160603 LR - 20150814 IS - 1873-734X (Electronic) IS - 1010-7940 (Linking) VI - 48 IP - 3 DP - 2015 Sep TI - Neuron-specific enolase correlates to laboratory markers of haemolysis in patients on long-term circulatory support. PG - 416-20; discussion 420 LID - 10.1093/ejcts/ezu513 [doi] AB - OBJECTIVES: Neuron-specific enolase (NSE) is used as a diagnostic tool in neuropathies, cerebral diseases or traumata and for some tumours. Furthermore, it is also expressed by erythrocytes and platelets and has been linked to haemolysis ex vivo as a laboratory issue. Chronic haemolysis is frequently associated with mechanical circulatory support by ventricular assist device (VAD) or total artificial heart (TAH). Therefore, we compared NSE with indicators of haemolysis in VAD and TAH patients. METHODS: We included 599 data sets of 97 patients who underwent VAD or TAH implantation. NSE, haptoglobin (HAPT), haemopexin (HPX), free haemoglobin (frHB), lactate dehydrogenase activity (LDH), platelet counts and total bilirubin (TBIL) in plasma were analysed. Further, all major cerebral events were assessed. RESULTS: NSE correlated to frHB (rs = 0.553) and to LDH (rs = 0.695). An inverse correlation was found with HAPT (rs = -0.484) and HPX (rs = -0.398). Thirty-two patients suffered neurological events. Within the time frame of 1 day before to 4 days after a neurological event, correlations of NSE to HAPT (rs = -0.540) and HPX (rs = -0.611) in negative and to frHB (rs = 0.757), LDH (rs = 0.862) and TBIL (rs = 0.549) in positive direction were established (all P < 0.05). Furthermore, haemolysis was graded into three groups for severe, moderate or no or only slight haemolysis. NSE values differed correspondingly between these groups (P < 0.001). CONCLUSION: NSE correlates to laboratory parameters indicative of haemolysis in VAD and TAH patients. Our data suggest an influence of intravascular haemolysis on NSE. Therefore, the parameter should be used with caution when it is used to assess cerebral damage. CI - (c) The Author 2015. Published by Oxford University Press on behalf of the European Association for Cardio-Thoracic Surgery. All rights reserved. FAU - Geisen, Ulrich AU - Geisen U AD - Institute of Clinical Chemistry and Laboratory Medicine, Medical Center, University of Freiburg, Freiburg, Germany. FAU - Benk, Christoph AU - Benk C AD - Department of Cardiovascular Surgery, Heart Center, University of Freiburg, Freiburg, Germany. FAU - Beyersdorf, Friedhelm AU - Beyersdorf F AD - Department of Cardiovascular Surgery, Heart Center, University of Freiburg, Freiburg, Germany. FAU - Klemm, Rolf AU - Klemm R AD - Department of Cardiovascular Surgery, Heart Center, University of Freiburg, Freiburg, Germany. FAU - Trummer, Georg AU - Trummer G AD - Department of Cardiovascular Surgery, Heart Center, University of Freiburg, Freiburg, Germany. FAU - Ozbek, Beatrice AU - Ozbek B AD - Department of Cardiovascular Surgery, Heart Center, University of Freiburg, Freiburg, Germany. FAU - Kern, Franziska AU - Kern F AD - Department of Cardiovascular Surgery, Heart Center, University of Freiburg, Freiburg, Germany. FAU - Heilmann, Claudia AU - Heilmann C AD - Department of Cardiovascular Surgery, Heart Center, University of Freiburg, Freiburg, Germany claudia.heilmann@universitaets-herzzentrum.de. LA - eng PT - Journal Article PT - Research Support, Non-U.S. Gov't DEP - 20150105 PL - Germany TA - Eur J Cardiothorac Surg JT - European journal of cardio-thoracic surgery : official journal of the European Association for Cardio-thoracic Surgery JID - 8804069 RN - 0 (Haptoglobins) RN - 0 (Hemoglobins) RN - 9013-71-2 (Hemopexin) RN - EC 1.1.1.27 (L-Lactate Dehydrogenase) RN - EC 4.2.1.11 (Phosphopyruvate Hydratase) RN - RFM9X3LJ49 (Bilirubin) SB - IM MH - Bilirubin/blood MH - Haptoglobins/analysis MH - Heart, Artificial/*adverse effects MH - Hemoglobins/analysis MH - Hemolysis/*physiology MH - Hemopexin/analysis MH - Humans MH - L-Lactate Dehydrogenase/blood MH - Phosphopyruvate Hydratase/*blood MH - Platelet Count MH - Retrospective Studies OTO - NOTNLM OT - Cerebrovascular injury OT - Haemolysis OT - Neuron-specific enolase OT - Ventricular assist device EDAT- 2015/01/07 06:00 MHDA- 2016/06/04 06:00 CRDT- 2015/01/07 06:00 PHST- 2014/09/12 00:00 [received] PHST- 2014/11/25 00:00 [accepted] PHST- 2015/01/07 06:00 [entrez] PHST- 2015/01/07 06:00 [pubmed] PHST- 2016/06/04 06:00 [medline] AID - ezu513 [pii] AID - 10.1093/ejcts/ezu513 [doi] PST - ppublish SO - Eur J Cardiothorac Surg. 2015 Sep;48(3):416-20; discussion 420. doi: 10.1093/ejcts/ezu513. Epub 2015 Jan 5.