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The Journal of Cardiovascular Surgery 1998 April;39(2):181-91

Copyright © 2000 EDIZIONI MINERVA MEDICA

lingua: Inglese

The ­effect of car­di­o­pul­mo­nary ­bypass on blood cell fil­te­rab­ility in chil­dren under­go­ing car­diac sur­gery

Bergman P., Belboul A., Friberg L. G., Mellgren G., Roberts D.

From the Department of Thoracic and Cardiovascular Surgery, Sahlgrenska Hospital and Department of Pediatric Surgery, Östra Hospital, University of Gothenburg, Sweden


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Background. The extend­ed use of car­di­o­pul­mo­nary ­bypass (CPB) in car­diac sur­gery is lim­it­ed ­because of dam­age to blood which in ­adults has been ­assessed by alter­a­tions in blood cell rhe­ol­o­gy. Blood trau­ma assess­ment in chil­dren is dif­fi­cult ­because of the restric­tions in sam­ple vol­ume and fre­quen­cy but needs to be estab­lished from time to time in order to study the tol­er­ance to new sur­gi­cal and extra­cor­po­real tech­niques.
Materials and meth­ods. Fourteen pedi­at­ric ­patients under­go­ing car­diac sur­gery with CPB for con­gen­i­tal heart dis­ease cor­rec­tions were stud­ied. Whole blood, red blood cell and white blood cell rhe­ol­o­gy (fil­ter­abil­ity) were mon­i­tored ­before, dur­ing and after CPB using the St. George fil­trom­e­ter that used small ­amounts of blood.
Results. The ­results ­showed that all the rhe­o­log­ic param­e­ters were ­altered dur­ing the blood trau­ma of CPB and were out­side the ref­er­ence val­ues ­before, dur­ing and after CPB.
Conclusions. This sug­gest­ed that blood cell rhe­o­log­ic dis­tur­banc­es did not recov­er soon after CPB and this may be of inter­est in long term fol­low-up to under­stand respons­es and recov­ery pat­terns to dis­ease and inter­ven­tions asso­ciat­ed with pedi­at­ric heart sur­gery using CPB.

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