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All Journal Jurnal Natur Indonesia Jurnal Ilmu Kedokteran (Journal of Medical Science) Jurnal Kedokteran Brawijaya Majalah Kedokteran Bandung Jurnal Online Mahasiswa (JOM) Bidang Kedokteran Biomedika Acta Biochimica Indonesiana Care : Jurnal Ilmiah Ilmu Kesehatan
Fauzia Andrini
Universitas Riau
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Dentistry Health Professions Medicine & Pharmacology Nursing Public Health

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GAMBARAN KEJADIAN VENTILATOR-ASSOCIATED PNEUMONIA PADA PASIEN YANG DIRAWAT DI ICU DAN CVCU RSUD ARIFIN ACHMAD PERIODE JANUARI 2013 s/d AGUSTUS 2014 Nency, Cahyu; Andrini, Fauzia
Jurnal Online Mahasiswa (JOM) Bidang Kedokteran Vol 2, No 2 (2015): Wisuda Oktober 2015
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Kedokteran

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Abstract

ABSTRACTPneumonia classification into two groups. There are community acquiredpneumonia and nosocomial pneumonia. Ventilator-associated pneumonia (VAP) isdefined as nosocomial pneumonia that occurred in patient after 48 hours usedendotracheal tube. It is a common condition, difficult to diagnose accurately, andexpensive to treat.VAP incidence consequence the length of stay and increasemorbidity and mortality patient in ICU. This descriptive retrospective study explainedthe overview incidence VAP of patient in ICU and CVCU RSUD Arifin AchmadGeneral Hospital of Riau Province Januari 2013 until August 2014 period. The datacollect from medical record of patients in ICU and CVCU. In this study, 113 patientswere used mechanical ventilation more than 48 hours. The prevalence of VAP in thisstudy was 18,58%(21 patients). By the sex, the most common of patients with VAPwas female consist of 12 patients (57,2%) . By the age group, the most common ofpatients with VAP was < 60 years consist of 16 patients (76,2%). By the onset ofVAP, the most common of patients was early onset consist of 20 patients (45,2%).Keywords:Ventilator-associated pneumonia, mechanical ventilation, incidenceoverview
Pola Resistensi Bakteri Penyebab Infeksi Saluran Kemih (ISK) Terhadap Antibakteri di Pekanbaru Endriani, Rita; Andrini, Fauzia; Alfina, Dona
Jurnal Natur Indonesia Vol 12, No 2 (2010)
Publisher : Lembaga Penelitian dan Pengabdian kepada Masyarakat Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (57.146 KB) | DOI: 10.31258/jnat.12.2.130-135

Abstract

Urinary Tract Infection (UTI) is caused by a variety of microorganism, but bacteries are more often. Antibacterial isthe empiric treatment for UTI. The antibacterial resistance pattern of UTI can be changed by the place and time.Urine culture test and sensitivity test will help us to choose the effective treatment. The purpose of this researchis to find out the pattern of UTI in Pekanbaru. Results of this research showed that UTI bacterial resistancy mostlyfound in Gram negative bacateria with penicillin and 1 st cephalosporin antibiotic.
Prevalensi dan Pola Sensitivitas Enterobacteriaceae Penghasil ESBL di RSUD Arifin Achmad Pekanbaru Anggraini, Dewi; Sholihin, Uswathun Hasanah; Savira, Maya; Djojosugito, Fauzia Andrini; Irawan, Dino; Rustam, Ruza Prima
Jurnal Kedokteran Brawijaya Vol 30, No. 1 (2018)
Publisher : Fakultas Kedokteran Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.jkb.2018.030.01.9

Abstract

Resistensi antibiotik merupakan masalah besar baik di rumah sakit maupun di masyarakat, resistensi menyebabkan pilihan terapi infeksi menjadi terbatas. Prevalensi resistensi antibiotik cenderung makin meningkat, salah satu diantaranya adalah bakteri ESBL (extended spectrum beta lactamases), suatu kelompok bakteri penghasil enzim yang dapat menghidrolisis antibiotik beta laktam yang mengandung grup oxyimino seperti sefalosporin generasi satu sampai ketiga dan aztreonam. Penelitian ini  dilakukan secara deskriptif retrospektif yang bertujuan untuk mengetahui prevalensi ESBL pada Klebsiella pneumoniae dan Escherichia coli, serta pola sensitivitasnya di RSUD Arifin Achmad Pekanbaru. Data diambil dari hasil kultur bakteri dan uji resistensi antibiotik dari berbagai spesimen klinik yang diperiksa di Laboratorium Mikrobiologi RSUD Arifin Achmad selama tahun 2015. Uji ESBL dilakukan dengan alat VITEK 2 compact yang membandingkan antara proporsi penurunan pertumbuhan bakteri terhadap antibiotik sefalosporin saja dengan antibiotik kombinasi sefalosporin ditambah asam klavulanat. Hasil penelitian menunjukkan ESBL-K. pneumoniae sebesar 66,2%, dan ESBL-E. coli 62,2%, dan total rata-rata pada kedua bakteri 65,2%. Prevalensi ESBL-K. pneumoniae dan ESBL-E. coli paling tinggi berasal dari ruangan Instalasi Perawatan Intensif Anak dan berasal dari spesimen sputum dan pus, namun secara statistik tidak didapatkan perbedaan bermakna proporsi ESBL positif dan negatif berdasarkan asal ruangan dan jenis spesimen. Sensitivitas ESBL-K. pneumoniae dan ESBL-E. coli paling baik dengan antibiotik golongan karbapenem, amikasin dan tigesiklin. Penelitian ini menunjukkan tingginya prevalensi K. pneumoniae dan E. coli penghasil ESBL di RSUD Arifin Achmad dibanding beberapa rumah sakit rujukan nasional dii Indonesia. Saran untuk menurunkan angka ESBL dengan cara mencegah transmisi melalui penerapan kewaspadaan kontak dan kewaspadaan berbasis transmisi, aspek pencegahan dan pengendalian infeksi dan peningkatkan rasionalisasi penggunaan antimikroba harus dilakukan.
Prevalensi dan Pola Sensitivitas Antimikroba Multidrug Resistant Pseudomonas aeruginosa di RSUD Arifin Achmad Anggraini, Dewi; Gusti Yulindra, Utari; Savira, Maya; Djojosugito, Fauzia Andrini; Hidayat, Nopian
Majalah Kedokteran Bandung Vol 50, No 1 (2018)
Publisher : Faculty of Medicine, Universitas Padjadjaran

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (427.057 KB) | DOI: 10.15395/mkb.v50n1.1150

Abstract

Resistensi antimikrob merupakan salah satu masalah kesehatan masyarakat yang besar yang dihadapi manusia sejak era ditemukan antimikrob. Angka multidrug resistant P. aeruginosa salah satunya semakin meningkat di berbagai belahan dunia yang berdampak pada kesulitan penanganan infeksi oleh bakteri ini. Penelitian deskriptif retrospektif ini bertujuan mengetahui prevalensi MDR P.aeruginosa dan pola sensitivitasnya. Data diambil dari hasil kultur bakteri dan uji resistensi antibiotik dari berbagai spesimen klinis pasien di RSUD Arifin Achmad sepanjang tahun 2015. Uji resistensi dilakukan dengan menggunakan alat Vitek 2 compact. MDR P. aeruginosa didefinisikan sebagai P. aeruginosa yang tidak sensitif terhadap tiga atau lebih golongan antibiotik berikut: meropenem atau imipenem, siprofloksasin, gentamisin atau amikasin, seftazidim atau sefepim, dan piperasilin/tazobaktam. Prevalensi MDR P. aeruginosa adalah 45,5%. Isolat MDR P. aeruginosa serta paling banyak berasal dari instalasi perawatan surgikal dan instalasi perawatan intensif, dan paling banyak berasal dari spesimen pus dan sputum. Sensitivitas P. aeruginosa paling baik dengan amikasin (76,9%), piperasilin/tazobaktam (57,2%), meropenem (57,0%), gentamisin (54,5%), sefepim (53,7%), seftazidim (49,6%), ciprofloksasin (48,8%) dan aztreonam (35,5%). Sensitivitas MDR P.aeruginosa terhadap antibiotik jauh lebih rendah dibanding dengan P. aeruginosa. Penelitian ini menunjukkan angka MDR P. aeruginosa tinggi khususnya di Pekanbaru. Pola sensitifas P. aeruginosa dapat menjadi pedoman dalam memilih antibiotik yang sesuai untuk infeksi karena P. aeruginosa.Kata kunci: Multidrug resistant, Pekanbaru, pseudomonas aeruginosa, sensitivitas antibiotik Prevalence and Antimicrobial Susceptibility Profile of Multidrug Resistant Pseudomonas aeruginosa in Arifin Achmad General HospitalAntimicrobial resistance is one of major public health problems since the era of antimicrobial discovery, inclusing multidrug resistant (MDR) P. aeruginosa. The prevalence of this resistance  is increasing in different parts of the world, leading to the difficulties in dealing with this bacteria. The aim of this descriptive retrospective study was to determine the prevalence of MDR P. aeruginosa and its susceptibility profile. Data were collected from the bacteria cultures and antibiotic susceptibility test results from various clinical specimens in Arifin Achmad General Hospital throughout 2015. The test was performed in VITEK 2 Compact. MDR P. aeruginosa is defined as P. aeruginosa which is not sensitive to three or more following antibiotics: meropenem or imipenem, ciprofloxacin, gentamicin or amikacin, ceftazidime or cefepime, and piperacilin/tazobactam. The prevalence of MDR P. aeruginosa was 45.5%. The isolates of MDR P. aeruginosa was mostly derived from pus and sputum specimens from the surgical ward and intensive care unit. .  The most sensitive antibiotics was amikacin (76.9%) followed by piperacilin/tazobactam (57.2%), meropenem (57.0%), gentamicin (54.5%), cefepime (53.7%), ceftazidime (49.6%), ciprofloxacin (48.8%), and aztreonam (35.5%). Antibiotic sensitivity in MDR P. aeruginosa was much lower than in P. aeruginosa. This study shows a high prevalence of MDR P. aeruginosa, especially in Pekanbaru. This susceptibility profile can serve as a guideline for the selection of appropriate antibiotics for infections caused by P. aeruginosa.Key words: Antibiotic susceptibility, multidrug resistant, Pekanbaru, pseudomonas aeruginosa
Distribusi Genotipe dan Subtipe Virus Hepatitis B pada Penderita Hepatitis B Kronik di Pekanbaru Arfianti, -; Zainal, Andi; Andrini, Fauzia; Endriani, Rita
Majalah Kedokteran Bandung Vol 43, No 3
Publisher : Faculty of Medicine, Universitas Padjadjaran

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Abstract

Variasi genetik virus hepatitis B (VHB) dapat mempengaruhi manifestasi klinis, risiko karsinoma hepatoselular (KH), dan respons terhadap terapi antiviral. Desain penelitian adalah analitik cross-sectional yang bertujuan untuk mengetahui apakah terdapat perbedaan distribusi genotipe dan subtipe VHB pada berbagai manifestasi klinis hepatitis B kronik di Pekanbaru. Sebanyak lima puluh dua serum penderita hepatitis B kronik di Pekanbaru diperoleh sejak bulan Maret sampai Agustus 2009 telah diperiksa pada penelitian ini. Analisis statistik menggunakan uji Fisher. Penentuan genotipe VHB dilakukan dengan membandingkan sikuens gen S pada penelitian ini dengan sikuens gen S yang telah dipublikasi pada GenBank. Hasil penelitian menunjukkan bahwa 31 (60%) penderita terinfeksi oleh genotipe C dan 21 (40%) oleh genotipe B. Berdasarkan manifestasi klinis, genotipe C merupakan genotipe yang paling banyak ditemukan pada donor darah (7/10 penderita) dan sirosis (7/10 penderita), sedangkan pada penderita hepatitis B kronik aktif dan KH ditemukan frekuensi genotipe B dan C yang hampir sama. Subtipe adr (60%) merupakan subtipe yang paling banyak ditemukan, diikuti oleh subtipe adw (38%) dan ayw (2%). Berdasarkan hasil uji stastitik tidak ditemukan perbedaan bermakna distribusi genotipe dan subtipe pada berbagai manifestasi klinis infeksi VHB. Namun, genotipe C (8/9 penderita) merupakan genotipe VHB yang paling banyak ditemukan pada penderita KH dengan sirosis, sedangkan genotipe B (8/11 penderita) merupakan genotipe VHB yang paling banyak menginfeksi penderita KH tanpa sirosis (p=0,01). Simpulan, genotipe VHB mungkin berhubungan dengan patogenesis karsinoma hepatoselular dengan sirosis dan tanpa sirosis. [MKB. 2011;43(3):105–11].Kata kunci: Genotipe, hepatitis B kronik, karsinoma hepatoselular, sirosis, subtipe Distribution of Hepatitis B Virus Genotypes and Subtypes Among Chronic Hepatitis B Patients in PekanbaruGenetic variance of hepatitis B virus (HBV) may influence the clinical manifestation, development of hepatocellular carcinoma (HCC), and response to antiviral treatment. This was analytic cross-sectional study which aimed to investigate the distribution of HBV genotypes and subtypes among different clinical status of chronic hepatitis B in Pekanbaru. A total of fifty-two of sera from chronic hepatitis B patients in Pekanbaru was collected from March to August 2009. Statistical analysis was performed by using Fisher test. HBV genotypes were examined based on homology of S gene from this study with those of GenBank database. Of these subjects, 31 (60%) and 21 (40%) were infected by genotype C and B, respectively. Based on clinical manifestation, genotype C was predominantly found among HBsAg-positive blood donors (7/10 patients) and liver cirrhosis (7/10 patients), whereas genotype B and C were comparable among chronic hepatitis B active and hepatocellular carcinoma patients. Subtype adr (60%) was the most prevalent, followed by subtype adw (38%) and subtype ayw (2%). There were no significant difference in the distribution of HBV genotypes and subtypes among diverse clinical manifestation of HBV infection. However, genotype C was predominantly detected among cirrhotic-HCC (8/9 patients) , while genotype B was mostly identified among non cirrhotic-HCC (8/11 patients) (p=0.01). In conclusion, HBV genotype may be associated with the pathogenesis of cirrhotic and noncirrhotic-HCC. [MKB. 2011;43(3):105–11].Key words: Chronic hepatitis B, genotype, hepatocellular carcinoma, liver cirrhosis, subtype DOI: http://dx.doi.org/10.15395/mkb.v43n3.54
Infeksi Herpes Simpleks Dalam Kehamilan Fauzia Andrini Djojosugito
Jurnal Ilmu Kedokteran Vol 10, No 1 (2016): Jurnal Ilmu Kedokteran
Publisher : Fakultas Kedokteran Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (20.104 KB) | DOI: 10.26891/JIK.v10i1.2016.1-4

Abstract

Herpes simplex virus is one the most common causes of sexually transmitted diseases. This infection is common inreproductive age women and can cause severe sequealae for fetus and neonates because this virus can be transmittedto the fetus during pregnancy and the newborn. Infection of Herpes simplex can occurs as first or primary infectionand recurrent infection. Most of the case is asymptomatic. Rarely during intrauterine, the risk of transmission ofmaternal-fetal can be increased during the last trimester of pregnancy and delivery. Based on type of infection,primary or recurrent, performing a treatment with antiviral drugs or caesarean section delivery can decrease the riskof neonatal infection
Pola Sensitivitas Isolat Klinis Bakteri Gram Negatif Multiresisten Obat Terhadap Fosfomisin dari Beberapa Rumah Sakit Kota Pekanbaru Dewi Anggraini; Atya Nasmah; Fauzia Andrini
Jurnal Ilmu Kedokteran Vol 13, No 1 (2019): Jurnal Ilmu Kedokteran
Publisher : Fakultas Kedokteran Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (138.232 KB) | DOI: 10.26891/JIK.v13i1.2019.28-35

Abstract

Over the last few years, there has been a decrease in amount of effective antibiotics, coincide with the lack of new antibiotics relevant for the treatment of Gram negative multi-drug resistant organisms infections. This problem can be overcome by the assessment and re-introduction of old antibiotics such as fosfomycin. Fosfomycin is a broad spectrum antibiotic that is bactericidal. This study aimed to find out the sensitivity pattern of clinical isolate multi-drug resistant Gram negative bacteria to fosfomycin with descriptive cross sectional method. The sample used in this study was clinical isolates collection of Microbiology Laboratory Faculty of Medicine, University of Riau from Hospitals in Pekanbaru. The result showedsensitivity to fosfomycin Escherichia coli producing ESBL (88%), Klebsiella pneumoniae producing ESBL (95%), Acinotobacter baumannii resistant meropenem (27%), Pseudomonas aeruginosa resistant meropenem (36%) and K.pneumoniae resistant meropenem (70%). Fosfomycin can be used as alternative therapy for infections caused by Gram-negative Multi-drug resistant organisms.
GAMBARAN SKRINING METHICILLIN-RESISTANT STAPHYLOCOCCUS AUREUS (MRSA) PADA PASIEN ORTOPEDI DI RS X RIAU Dewi Anggraini; Muhammad Ihsan; Maya Savira; Fauzia Andrini Djojosugito; Farah Mardhiyah
Biomedika Vol 13, No 2 (2021): Biomedika Agustus 2021
Publisher : Universitas Muhamadiyah Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23917/biomedika.v13i2.11875

Abstract

ABSTRAKMethicillin-resistant Staphylococcus aureus (MRSA) adalah strain Staphylococcus aureus yang resisten terhadap antibiotik golongan beta laktam. Pasien karier MRSA dinilai meningkatkan kejadian komplikasi paska operasi pada pasien ortopedi. Penelitian ini bertujuan untuk mengetahui gambaran dan prevalensi skrining MRSA pada pasien ortopedi di Bangsal Bedah RS X Riau.  Metode penelitian ini adalah deskriptif dengan rancangan cross-sectional menggunakan data primer dan sekunder responden.  Penelitian ini dilakukan pada 34 responden di Bangsal Bedah RS X Riau sejak Januari 2019 – Maret 2020.  Persentase responden yang memiliki faktor risiko sebagai karier MRSA yaitu: 5,9% dengan riwayat operasi 3 bulan terakhir; 2,9% dengan riwayat penggunaan antibiotik dalam 6 bulan terakhir, 29,4% dengan luka terbuka akut, 11,8% dengan riwayat rawat inap, 0% dengan riwayat kultur MRSA, dan 17,6% merupakan rujukan rumah sakit lain. Pada responden berisiko tersebut ditemukan kolonisasi Staphylococcus aureus pada 9 orang responden (26%) di bagian nasal anterior dan tidak ditemukan adanya bakteri MRSA (0%). Kesimpulan yang didapat dari penelitian ini adalah tidak ditemukannya bakteri MRSA pada seluruh sampel yang diperiksa. Kata Kunci: MRSA, Ortopedi, Skrining, Staphylococcus aureus..  ABSTRACTMethicillin-resistant Staphylococcus aureus (MRSA) is a strain of Staphylococcus aureus that is resistant to beta-lactam antibiotics. Patients with MRSA carrier are considered to increase the incidence of post-operative complications in orthopedic patients. This study aimed to determine the prevalence and illustration of MRSA screening in orthopedic patients in X Hospital Riau. This research method was descriptive with cross-sectional design using primary and secondary data of respondents. This study was conducted on 34 respondents in surgical ward at X Hospital Riau from January 2019 to March 2020. The percentage of respondents who had risk factors as MRSA carriers were: 5.9% with a history of surgery in the last 3 months; 2.9% with a history of antibiotic use in the last 6 months, 29.4% with an acute open wound, 11.8% with a history of hospitalization, 0% with a history of MRSA culture, and 17.6% a referral to another hospital. Colonization of Staphylococcus aureus was found in 9 respondents (26%) in the anterior part of the nose and no MRSA bacteria were found (0%). The conclusion from this study is that MRSA bacteria were not found in all samples because only a few respondents had risk factors for becoming MRSA carrier. Keywords: MRSA, Orthopedic, Screening, Staphylococcus aureus.
IL-10 Promoter Polymorphism Distribution among HBsAg-Reactive and HBsAg-Nonreactive Blood Donors Rahmat Azhari Kemal; Arfianti Arfianti; Reni Oktora; Bebe Gani; Fauzia Andrini Djojosugito; Winarto Winarto
Majalah Kedokteran Bandung Vol 52, No 1 (2020)
Publisher : Faculty of Medicine, Universitas Padjadjaran

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (694.508 KB) | DOI: 10.15395/mkb.v52n1.1812

Abstract

Hepatitis B surface antigen (HBsAg) serves as a serological marker for Hepatitis B virus (HBV) infection. People with HBV asymptomatic infection might readily donate blood due to the lack of clinical manifestations. Host immunity contributes to susceptibility and progression of infection. A polymorphism in IL-10 gene promoter, rs1800896, might contribute to host immunity. This study was conducted on May 2019 – January 2020 in Faculty of Medicine, University of Riau on  70 blood samples from donors  in the Indonesian Red Cross Pekanbaru. Out of these samples, 35 were reactive for HBsAg and 35 donors were nonreactive. Genotyping of rs1800896 was conducted using Amplification Refractory Mutation System (ARMS-PCR). In total, The distribution of AA (74.3%), AG (24.3%), and GG (1.4%) genotypes revealed in this study seemed to be similar to genotype distribution among East and South-East Asian populations. While no significant difference was observed on age mean and gender distribution, a significant difference was identified in  genotype distribution between HBsAg status (p-value 0.028) with the percentage of AA genotype was higher among HBsAg-nonreactive donors (85.7%) compared to reactive donors (62.9%). More studies should be conducted to characterize HBsAg-reactive blood donors, including the donor characteristics and the viral genotypes. Such studies should contribute to hepatitis B management in Indonesia. Distribusi Polimorfisme Promoter IL-10 pada Donor Darah dengan HBsAg Reaktif dan Nonreaktif di Pekanbaru Hepatitis B surface antigen (HBsAg) merupakan penanda serologis infeksi virus hepatitis B (HBV). Individu dengan infeksi HBV asimptomatik dapat melakukan donasi darah karena tidak adanya gejala klinis. Imunitas inang berkontribusi pada kerentanan dan perkembangan infeksi. Polimorfisme pada promoter gen IL-10, rs1800896, dapat berkontribusi pada imunitas inang. Penelitian dilakukan pada bulan Mei 2019 – Januari 2020 di Fakultas Kedokteran Universitas Riau. Sampel diambil adalah 70 darah donor dari Palang Merah Indonesia Pekanbaru, 35 sampel reaktif HBsAg dan 35 sampel nonreaktif. Genotipe rs1800896 dilihat berdasarkan Amplification Refractory Mutation System (ARMS-PCR). Pada populasi studi ini, distribusi genotipe AA (74.3%), AG (24.3%), dan GG (1.4%) sesuai populasi Asia Timur dan Tenggara. Walaupun tidak terdapat perbedaan pada rerata umur dan distribusi jenis kelamin, penelitian ini menemukan perbedaan signifikan pada distribusi genotipe antar kelompok status HBsAg (p-value 0.028), yaitu persentase genotipe AA lebih tinggi pada kelompok donor dengan HBsAg nonreaktif (85.7%) dibandingkan kelompok reaktif (62.9%). Studi lebih lanjut perlu dilakukan untuk karakterisasi donor darah dengan HBsAg reaktif, termasuk gneotipe donor dan virus. Informasi tersebut diharapkan dapat bermanfaat pada manajemen hepatitis B di Indonesia.
Putative and pretreatment drug resistance mutations in reverse transcriptase gene among untreated chronic hepatitis B patients at Arifin Achmad Regional District Hospital, Riau, Indonesia Arfianti Arfianti; Fauzia Andrini Djojosugito; Maisaroh Maisaroh; Hendra Asputra; Dita Kartika Sari; Tubagus Odih Rhomdani Wahid
Acta Biochimica Indonesiana Vol. 5 No. 1 (2022): Acta Biochimica Indonesiana
Publisher : Indonesian Society for Biochemistry and Molecular Biology

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32889/actabioina.68

Abstract

Background: Mutations within the hepatitis B virus (HBV) reverse transcriptase (RT) gene have been associated with drug resistance against nucleos(t)ide analogs (NAs). Objective: This study aimed to identify mutations in the RT gene among patients with chronic hepatitis B (CHB) before receiving antiviral therapy and its relationship with the HBV genotypes. Methods: A total of 26 HBV DNA was extracted from the blood plasma of CHB patients. HBV RT gene was amplified and sequenced using the Sanger dideoxy sequencing method. The HBV genotype was determined through phylogenetic analysis using the Maximum Likelihood method. Results: The study subjects comprised 14 CHB patients without complications and 12 CHB patients with cirrhosis/hepatoma. CHB patients with cirrhosis/hepatoma were older than those without complications. The HBV genotypes comprised 15 (57.7%) genotype C and 11 (42.3%) genotype B. All treatment-naïve CHB patients did not demonstrate any classical NA resistance mutations within the RT gene. However, several putative and pretreatment resistance mutations, including F221Y, N238H, and V224I, were high frequency in more than 40% of study subjects. In addition, F221Y and N238H/Q mutations were frequently observed in genotype B, while V224 I was only found in patients infected with genotype C (p=0.000). Conclusions: There was no evidence of classical RT gene mutations associated with NA resistance in treatment-naïve patients with CHB. However, several putative and pretreatment mutations were identified as genotype-specific mutations and may contribute to antiviral resistance against NAs.
Co-Authors Andi Zainal Arfianti Arfianti Atya Nasmah Bebe Gani Cahyu Nency, Cahyu Dewi Anggraini Dino Irawan Dita Kartika Sari Dona Alfina Farah Mardhiyah Gusti Yulindra, Utari Hendra Asputra Hidayat, Nopian Maisaroh Maisaroh Maya Savira Muhammad Ihsan Rahmat Azhari Kemal Reni Oktora Rita Endriani Ruza Prima Rustam, Ruza Prima Sholihin, Uswathun Hasanah TB Odih Rhomdani Wahid Winarto Winarto