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PROHLÍŽENÍ ABSTRAKTA
OPTIMIZATION OF THERAPEUTIC PROCEDURE DURING EXTRACORPOREAL LIPOPROTEIN ELIMINATION – A COMPUTERIZED MODEL
Tématický okruh: Ateroskleróza |
Typ: Poster - lékařský , Číslo v programu: 491
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| Bláha M.1, Mašín V.2, Bláha V.3, Cermanová M.4, Malý J.5, Blažek M.6, Filip S.7, Řeháček V.8, Zajíc J.9
1 II.interní klinika, Fakultní nemocnice a LF UK, Hradec Králové, 2 Katedra biofyziky, Lékařská fakulta UK, 3 Geronto-metabolická klinika, LF UK HK, 4 OKH, II.interní klinika FN a LF UK, 5 OKH, LF UK, II. interní klinika, 6 OKH, Fakultní nemocnice a LF UK, 7 Klinika onkologie a radioterapie, Fakultní nemocnice a LF UK, 8 Tranfúzní oddělení, Fakultní nemocnice a LF UK, 9 Geronto-metabolická klinika, Fakultní nemocnice a LF UK
| Extracorporeal elimination is a very effective method in the treatment of resistant hypercholesterolemia when other therapy (dietary, medicamentous) fails. To maximize efficacy of the usage of absorbers we aimed to create a computerized model. Patients and methods: The therapeutic technique was used of immunoadsorption, applying a pair of columns Lipopak®, Pocard, Russia. Plasma was separated by continuous-flow plasma separator Cobe® Spectra™, USA; adsorption was controlled by adsorption-desorption equipment ADA, Medicap, Germany. Repeated 494 LDL-apheresis procedures (treatment interval 17,5 + 1,6 days) has been used to treat eight patients with primary hypercholesterolemia followed over 3,6 + 0,5 consecutive years. Metabolism of the LDL-cholesterol is known to be multi-compartmental and dynamic, but in the short-time range of the procedure it can be simplified and the procedure can be assumed to be a continuous filtration. We developed a program for procedure planning, using Microsoft® Excel for Windows®. Inputs into the program include only basic patient data (mass, height, sex and initial plasma LDL level in mmol/L). Results: The results show a very promising match between our planning of the procedures and the real laboratory results. Calculated and real plasma LDL-cholesterol level drops differ no more than + 10 %. Conclusions: Although our software does not take into account many well known details concerning the metabolism of cholesterol, in given conditions it can provide a fairly precise prediction of procedure parameters. It is also suitable for practical use, because it requires only a few commonly used and readily available input values. Immunoadsorption with Pocard absorbers is a potent and safe method of therapy in indicated patients. Supported by research task MZO 00179906
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