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    Kadar Pemulihan Faktor Viiipada Pembuatan Kriopresipitat

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    Date
    2015
    Author
    Silitonga, Evi Musafni
    Advisor(s)
    Hariman
    Lubis, Zulfikar
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    Abstract
    Replacement therapy with cryoprecipitate has some advantages compared to the use of factor commercial VIIII concentrate such as lower tendency to produce allo-antibody (FVIII inhibitor) as well as from the cost view point that it is less expensive. Due to these facts, cryoprecipitate should be regarded as a corner-stone for the treatment of haemophilia A in developing countries such as in Indonesia. Nevertheless, several factors have been known to influence the end-yield of factor VIII in the production of cryoprecipitate as blood component products. During the process of making up cryoprecipitate, the plasma which is used as the source of cryoprecipitate should be frozen, thawed and also centrifugation using refrigerated centrifuge. Theoretically, all the abovementioned procedures may result in the loss of FVIII activity. Therefore, this study was aimed to investigate about how much the FVIII recovery in the production of cryoprecipitate. 28 volunteer blood donors that donated their blood in the blood bank were recruited. Blood were taken from the median vein as the ordinary procedure for blood donation and processed as the same procedure for producing cryoprecipitate elsewhere. There was no significant difference in the concentration of FVIII before the cryoprecipitate processing compared to FVIII in the cryoprecipitate; mean ± S.D (unit/L) 156.19 ± 32.79 and 150.70 ± 29.08 respectively (p >0.05). However, when the absolute concentration was measured as FVIII activity multiply the volume of plasma in the bag before cryoprecipitate processing and volume of cryoprecipitate in the cryoprecipitate bag; there is significant reduction of FVIII concentrate from 24.559 ± 5.163.to 5.397 ± 1.344 respectively (p < 0.001). This reduction eventually showed calculated FVIII recovery of only 21.95% from the beginning of FVIII before processing. In Conclusion: There is significant losses of FVIII in the processing of cryoprecipitate production which should be taken into account as a precaution especially in the dose of cryoprecipitate for treatment.
     
    Terapi dengan Kriopresipitat terhadap pasien Haemophilia A mempunyai beberapa keuntungan dibandingkan F VIII concentrate yang dijual commercial seperti kecilnya kemungkinan timbulnya allogeneic – antibody (inhibitor ), selain itu harga (cost) dari kriopresipitat jauh lebih murah dari commercial concentrate, hal ini mengakibatkan Kriopresipitat sangat penting bagi pengobatan Haemophilia A di negara-negara yang sedang berkembang seperti di Indonesia. Faktor-faktor yang mempengaruhi faktor VIII dalam Kriopresipitat telah dipelajari dalam konteks program pembuatan komponen darah. Pada proses pembuatan Kriopresipitat harus melalui prosedur pembekuan, dan pelarutan serta pemutaran/ centrifugasi. Sehingga menurut teori prosedur ini dapat membuat hilangnya sebagian aktivitas faktor VIII.Penelitian ini bertujuan untuk mengetahui berapa kehilangan aktivitas F VIII dan melihat berapa Kadar pemulihan faktor VIII selama pembuatan Kriopresipitat. Metode: Metode penelitian obsevasi analitik secara potong lintang di RSUP H.Adam Malik Medan, selama Maret-Mei 2015. Subjek penelitian adalah pendonor yang darahnya diambil oleh petugas Unit Transfusi Darah RSUP H. Adam Malik Medan. Yang memenuhi kriteria inklusi dan ekslusi Hasil: Selama penelitian ini diperoleh 28 pendonor yang memenuhi kriteria inklusi dalam penelitian ini, yang kemudian darahnya di ambil untuk dilakukan pemeriksaan Faktor VIII. Dijumpai penurunan yang tidak signifikan konsentrasi Faktor VIII pada plasma awal (156.19 ± 32,79) dibandingkan dengan konsentrasi Faktor VIII pada Kriopresipitat (150.70± 29,08), dengan nilai (P > 0.05). Dijumpai penurunan yang signifikan konsentrasi Faktor VIII absolut (G1 unit)pada plasma awal (24599 ± 5163.9) dibandingkan dengan konsentrasi Faktor VIII absolut (G2 unit) pada Kriopresipitat (5397.07± 1344.65), dengan nilai (P < 0.001). Setelah dihitung dengan rumus absolute ternyataKadar pemulihan faktor VIII hanya 21,95 %. Sehingga dapat diperkirakan kehilangan dari FVIII absolute pada Kriopresipitat sekitar 78,05% Kesimpulan: Terjadi kehilangan aktivitas maupun jumlah F VIII yang cukup besar dalam pembuatan Kriopresipitat dengan teknik Refrigerator- Centrifugation.

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    http://repositori.usu.ac.id/handle/123456789/36297
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    Repositori Institusi Universitas Sumatera Utara (RI-USU)
    Universitas Sumatera Utara | Perpustakaan | Resource Guide | Katalog Perpustakaan
    DSpace software copyright © 2002-2016  DuraSpace
    Contact Us | Send Feedback
    Theme by 
    Atmire NV