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    Profil Kadar Homosistein Serum pada Pasien Vitiligo di RSUP H. Adam Malik Medan

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    Date
    2016
    Author
    Hasibuan, Dina Rizki Utami
    Advisor(s)
    Jusuf, Nelva Karmila
    Putra, Imam Budi
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    Abstract
    Background: Vitiligo is an acquired skin disorder which manifest as white macule or patch and caused by loss of function in epidermal melanocyte. To these days, the underlying pathogenesis of vitiligo is still unknown. Three hypothesis that mostly described are genetic, autoimmune and biochemistry. One compound which thought is involved in these theories is homocysteine. Homocysteine is amino acid that contain sulphur involved at remethylation and transsulphuration pathways in methionine cycle. Vitiligo patient is suspected to have elevated homocysteine serum. Aim : To determine serum homocysteine level profile in vitiligo patients in H. Adam Malik general hospital Medan Subject and method: This was a cross-sectional descriptive study which involved 38 vitiligo patients that were diagnosed by clinical and Wood’s lamp examinations. We conducted blood sampling and measurement of serum homocysteine level to the patients. Results: Mean of serum homocysteine level was 11,54 μmol/L. When compared based on characteristics, we got mean of serum homocysteine level was higher in male group ( mean: 14,34 μmol/L), older than 60 years old group (mean: 15,58 μmol/L), negative family history (mean: 11,63 μmol/L), duration of disease longer than 20 years group (mean: 17,7μmol/L) and segmental group (mean : 14,54 μmol/L). Conclusion: Serum homocysteine level was higher in male group, older than 60 years old group, negative family history, and duration of disease longer than 20 years and in segmental vitiligo.
     
    Latar belakang: Vitiligo adalah kelainan kulit didapat yang memiliki manifestasi berupa makula atau bercak putih dan disebabkan oleh hilangnya fungsi melanosit epidermis. Hingga saat ini, mekanisme patogenesis yang mendasari terjadinya vitiligo belum ditemukan. Tiga hipotesis yang sering dikemukakan yaitu hipotesis genetik, autoimun, dan biokimia.. Suatu senyawa yang diduga terlibat dalam teori – teori tersebut adalah homosistein. Homosistein adalah asam amino yang memiliki gugus sulfur yang terlihat dalam siklus metionin yaitu pada jalur remetilasi dan jalur transulfurasi. Pada pasien vitiligo diduga terjadi peningkatan kadar homosistein serum. Tujuan : Mengetahui profil kadar homosistein serum pasien vitiligo di RSUP H. Adam Malik Medan. Subjek dan metode: Penelitian ini merupakan suatu studi deskriptif dengan rancangan potong lintang yang melibatkan 38 pasien vitiligo yang didiagnosis melalui pemeriksaan klinis dan pemeriksaan lampu wood. Terhadap pasien vitiligo tersebut dilakukan pengambilan darah da dilakukan pengukuran kadar homosistein serum. Hasil: Dalam penelitian ini didapatkan rata-rata kadar homosistein serum adalah 11,54 μmol/L. Jika dibandingkan berdasarkan karakteristik pasien vitiligo dengan kadar homosistein serum paling tinggi dijumpai pada jenis kelamin laki-laki (mean: 14,34 μmol/L), kelompok usia >60 tahun (mean: 15,58 μmol/L), dengan riwayat keluarga negatif (mean: 11,63 μmol/L), dan pada pasien yang telah menderita vitiligo selama lebih dari 20 tahun (mean: 17,17 μmol/L), dan pada vitiligo tipe segmental (mean: 14,54 μmol/L).

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    http://repositori.usu.ac.id/handle/123456789/36668
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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