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    Perbandingan Kadar Serum Tnf α (Tumor Necrosis Factor α) Dengan Cytotoxin - Associated Gene A (Caga) Positif dan Negatif pada Penderita Gastritis Helicobacter Pylori

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    Date
    2019
    Author
    Karo, Fitri Armanti
    Advisor(s)
    Siregar, Gontar Alamsyah
    Dairi, Leonardo Basa
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    Abstract
    Latar belakang: Infeksi Helicobacter pylori (H.pylori) merupakan penyebab tersering gastritis kronik di seluruh dunia yaitu sekitar 80% disamping penyebab lain berupa penyakit autoimun, obat-obatan, idiopatik dan lain-lain. Patogenesis H.pylori berhubungan dengan faktor virulensi yang terdiri dari cytotoxin - associated gene A ( CagA ) dan vacuolating cytotoxin A ( Vaca ). Pada gastritis terjadi respon inflamasi akut maupun kronik dan terjadi aktivasi sitokin-sitokin yang menyebabkan terjadinya inflamasi mukosa dimana kadar TNF-α meningkat pada pasien gatritis H.pylori. Kadar serum TNF-α dijumpai lebih tinggi pada pasien yang terinfeksi H. pylori dengan CagA positif. Tujuan Penelitian: Mengetahui perbandingan kadar serum TNF α antara pasien gastritis H. pylori dengan Cag A (+) dengan CagA (-) Metode: Penelitian dilakukan dengan desain cross sectional terhadap 30 penderita dyspepsia, menggunakan PADYQ skor. Selanjutnya dilakukan gastroskopi dan biopsi untuk melihat adanya H.pylori menggunakan CLO dan pemeriksaan PCR untuk menilai CagA (+) dan CagA (-), serta serum TNF-α dengan metoda ELISA. Hasil: Dari 30 subyek, 18 orang ( 60% ) pria, 12 orang perempuan (40%), rerata umur 53,5 tahun, mayoritas bersuku batak 16 orang (53,3%), penderita gastritis H. Pylori dengan CagA positif 21 orang (70%) dan penderita gastritis H. Pylori dengan CagA negatif 9 orang (30%). Ditemukan rerata kadar serum TNF-α lebih tinggi (3,48) pada gastritis H.Pylori dengan CagA (+) dibandingkan gastritis H.Pylori dengan CagA (-) (1,29) dengan (p=0,001) Kesimpulan: Dijumpai peningkatan kadar serum TNF-α pada penderita gastritis H.Pylori CagA (+) dibandingkan dengan gastritis H.Pylori dengan Cag A (-)
     
    Background: Infection with Helicobacter pylori (H. pylori) is the commonest cause of chronic gastritis in the world that is around 80% in addition to other causes such as autoimmune diseases, drugs, idiopathic and others. The pathogenesis of H. pylori associated with virulence factors consisting of cytotoxin - associated gene A (CagA) and vacuolating cytotoxin A (Vaca). In the case of gastritis occurred acute and chronic inflammatory responses and activation cytokines that cause inflammation of mucous which TNF-α levels increased in patients gatritis H.pylori. Levels of serum TNF-α was found higher in patients infected with H. pylori with CagA positive. Objective: To investigate the comparison between TNF-α serum level in H. pylori gastritis patients with Cag A (+) and CagA (-) Methods: The study was conducted with a cross-sectional design in 30 patients with dyspepsia, using PADYQ score. We performed gastroscopy, biopsy, and CLO test to prove the existence of H.pylori. Furthermore, we used PCR to assess CagA (+) and CagA (-), and ELISA method to measure TNF-α serum level. Results: From 30 subjects, 18 men (60%), 12 women (40%), and the mean age was 53.5 years, the majority of the ethnic was Bataknese (53.3%), patients with H. pylori gastritis with CagA (+) were 21 (70%) and patients with H. pylori gastritis with CagA (-) were 9 (30%). We found the mean serum levels of TNF-α was higher (3.48) in H pylori gastritis with CagA (+) than the CagA (-) (1.29) with p value was 0.001. Conclusion: We found increased serum levels of TNF-α in patients with CagA (+) compared to Cag A (-) H. pylori gastritis.

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    Repositori Institusi Universitas Sumatera Utara - 2025

    Universitas Sumatera Utara

    Perpustakaan

    Resource Guide

    Katalog Perpustakaan

    Journal Elektronik Berlangganan

    Buku Elektronik Berlangganan

    DSpace software copyright © 2002-2016  DuraSpace
    Contact Us | Send Feedback
    Theme by 
    Atmire NV