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Detection of Enteropathogenic Bacteria under Fingernails of Canteen Workers at Universitas Padjadjaran, Jatinangor Nalinie Nalammah Nahenthran; Imam Megantara; Ardini S Raksanagara
Althea Medical Journal Vol 3, No 2 (2016)
Publisher : Faculty of Medicine Universitas Padjadjaran

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Background: Food poisoning is a major problem in Indonesia as most people do not clean under their fingernails to remove bacteria. This study was designed to detect enteropathogenic bacteria under the fingernails of canteen workers in Universitas Padjadjaran, Jatinangor.Methods: A cross-sectional study was conducted from October−November 2014 at the Faculty of Medicine’s Microbiology Laboratory to detect enteropathogenic bacteria under the fingernails of canteen workers in Universitas Padjadjaran, Jatinangor. Based on the inclusion and exclusion criteria of the study, 30 canteen workers were selected by random sampling from three canteens. Samples were collected from the fingernails of both the right and left hands by using a cotton swab. Sixty specimens were cultured for identification of the enteropathogenic bacteria by using gram staining method and biochemical tests.Results: The highest percentage of enteropathogenic bacteria found under the fingernails of canteen workers was Klebsiella pneumoniae with a percentage of 45% followed by Enterobacter aerogenes with a percentage of 25.7%, Salmonella paratyphii with a percentage of 9.7%, E. coli with a percentage of 6.4%, and Serratia sp, Proteus mirabillis, Klebsiella oxytoca and Shigella sp. with a percentage of 3.2%.Conclusions: The highest number of bacteria found under the fingernails of the canteen workers is Klebsiella pneumoniae, followed by Enterobacter aerogenes, Salmonella paratyphii and E. coli which has potential to cause gastroenteritis if cross-contamination occurs between the fingernails and the food.[AMJ.2016;3(2):309–13]DOI: 10.15850/amj.v3n2.798

Detection of Streptococcus pyogenes from Throat Swab in Acute Pharyngitis Patients Ibnu Tsabit Maulana; Imam Megantara; Ike Rostikawati Husen
Althea Medical Journal Vol 3, No 1 (2016)
Publisher : Faculty of Medicine Universitas Padjadjaran

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Background: Pharyngitis is an inflammation of throat that may be caused by viral and bacteria. Although Streptococcus pyogenes is only responsible for 5−15% of cases of pharyngitis in adults. Antibiotics are highly prescribed for this infection, thus it could lead to antibiotic resistance. The main reason for antibiotic overprescription is the difficulty to obtain a rapid and correct etiological diagnosis. This study aimed to determine the frequency of Streptococcus pyogenes from throat swab in patient with acute pharyngitis in Padjadjaran Clinic.Methods: This study was a descriptive study. Specimen was taken from the patients in Padjadjaran Clinic on September until October 2014. Thirty-five patients with acute pharyngitis that met the selection criteria were recruited for throat swab. Then, specimens obtained were performed an identification testing to determine whether there was a colonization of Streptococcus pyogenes. Results: Thirty five patients were found with acute pharyngitis consist of 14 male and 21 female, with age ranged between 16−34 years old. From the identification testing result, Streptococcus pyogenes was not found from throat swabs of patient with acute pharyngitis in Padjadjaran Clinic.Conclusions: This study found no colonization of Steptococcus pyogenes in throat swabs of acute pharyngitis patients in Padjadjaran Clinic, however Streptococcus pyogenes was not the causative fact of acute pharyngitis. [AMJ.2016;3(1):69–72] DOI: 10.15850/amj.v3n1.716

Salmonella Species Detection in Chicken Noodle Toppings Prepared by the Food Vendors around Jatinangor Campus of Universitas Padjadjaran Luk Lee Zia; Imam Megantara; Suryosutanto Suryosutanto
Althea Medical Journal Vol 3, No 4 (2016)
Publisher : Faculty of Medicine Universitas Padjadjaran

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Background: Salmonellae is Gram negative Enterobacteriaceae which are commonly found in water. It can cause diseases in human through improper hygiene and sanitation practice, contamination of poultries, cross contamination from other food during storage, and also from Salmonella species carriers. Chicken noodle toppings are usually prepared early in the morning and not heated up upon serving. There are possibilities for bacterial contamination if the food vendors lack of hygienic practices. The risk of Salmonella species contamination is increased too as it can be spread through inappropriate hygiene and sanitation. Hence, the objective of the study was to detect the presence of Salmonella species in the chicken noodle toppings prepared by the food vendors around Jatinangor Campus of Universitas Padjadjaran.Methods: A descriptive laboratory study was conducted in September 2013. A total of 44 samples of chicken noodle toppings were collected from the food vendors in Jatinangor. The samples were cultured on Salmonella-Shigella agars. Then, Gram staining and biochemical tests were performed.Results: The chicken noodle toppings were not contaminated by Salmonella species, but other bacteria species such as Klebsiella pneumoniae, Serratia, Enterobacter, Escherichia coli, and Shigella species were found.Conclusions: There is no Salmonella species found. However, there are some other bacteria found such as Klebsiella pneumoniae, Serratia, Enterobacter, Escherichia coli, and Shigella species. It means that the food vendors lack of hygienic and sanitation aspects. Thus, proper actions should be taken to educate and increase the awareness of food vendors on the importance of sanitation. [AMJ.2016;3(4):566–9] DOI: 10.15850/amj.v3n4.940

Detection of Fungi in Hair-brushes in Beauty Salons at Jatinangor Susanna Mitchelle Edward; Imam Megantara; Reiva Farah Dwiyana
Althea Medical Journal Vol 2, No 4 (2015)
Publisher : Faculty of Medicine Universitas Padjadjaran

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Background: Various beauty tools are used in beauty salons, among those is the hair-brush. The hair-brush can conceal various human skin pathogens although under harsh environmental conditions, most pathogens are killed; nevertheless, few microorganisms, such as the fungi can adapt and survive. Moreover, the moist conditions of the hair-brush predisposes the growth of fungi however the ability of these fungi to instigate disease in an individual is dependent on the portal of entry and the host immunological status. This study was conducted to determine the fungus that is present in the beauty salon’s hair-brushes.Methods: This study was conducted in beauty salons located in Jatinangor area during September–October 2013 using the descriptive laboratory method. Fifteen beauty salons were included in this study based on sample size calculation for dichotomous variable. The specimens from all the hair-brushes were collected after the owner’s informed consent, then cultured onto 30 sabouraud agar, two for each beauty salon (dermatophyte and non-dermatophyte agar). The fungi were detected macroscopically and microscopically.Results: Overall, 93% revealed to be culture positive, with 90% of them were found to be non-dermatophytes, most of which are saprophytic fungi. The remaining 3% were dermatophytes.Conclusions: Beauty salon’s hair-brushes contain a wide range of fungi distribution which may be a source of fungal colonization. However, most of the fungi found in the beauty salons are saprophytic fungi, therefore it is unnecessary to be anxious about a small amount of pathogenic fungi are found in humans. [AMJ.2015;2(4):516–20] DOI: 10.15850/amj.v2n4.636

Pattern of Bacteria, Antibiotic Uses and Sensitivity among Ear, Nose, and Throat Infectious Disease in Otolaryngology Ward in Tertiary Hospital Yolla Sri Agustina; Imam Megantara; Arif Dermawan
International Journal of Integrated Health Sciences Vol 7, No 1 (2019)
Publisher : Faculty of Medicine Universitas Padjadjaran

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15850/ijihs.v7n1.1545

Objective: To provide an overview of antibiotic use, bacterial patterns and sensitivity to antibiotics in the otolaryngology ward.Methods: This was a cross-sectional study, with total sampling method from medical record data of otolaryngology inpatients that use antibiotics for the period of January 1, 2016–June 30, 2016. Exclusion criteria are incomplete patient medical records and chemotherapy or radiotherapy patients. The variables studied were antibiotic use, bacterial pattern and susceptibility.Results: Among 276 subjects included in the inclusion criteria, the most widely used are single antibiotics (98.9%), generally used for 2–3 days (73.9%), via intravenous lines (92%), and with indications as empirical+prophylaxis (77.5%). Commonly used antibiotics are cefazolin (42.51%), ceftriaxone (29.54%), and cefotaxime (20.76%). The most common bacteria were E. coli (36.36%) and the most sensitive types of antibiotics were meropenem, amikacin, and tigecyclin, while the most resistant antibiotics were ampicillin, ciprofloxacin, and ceftriaxone.Conclusions: The majority of antibiotics used in the otolaryngology treatment room are cefazolin as prophylaxis. E. coli were the most found culture results and the most sensitive types of antibiotics, namely meropenem, amikacin, and tigecyclin, while the most resistant antibiotics were ampicillin, ciprofloxacin, and ceftriaxone.Keywords: Antibiotics, antibiotic sensitivity, bacterial pattern, ears, nose, throat

The Potency of NTHi lic1A Gene as a Biomarker in Determining The Severity of Post-Viral Acute Rhinosinusitis Imam Megantara; Ronny Lesmana; Nova Sylviana; Sunarjati Soedigdoadi; Teti Madiadipoera
The Indonesian Biomedical Journal Vol 13, No 3 (2021)
Publisher : The Prodia Education and Research Institute (PERI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.18585/inabj.v13i3.1614

BACKGROUND: The lic1A gene is an important virulence factor for non-typeable H. influenzae (NTHi), which allows its translocation from the nasopharynx into the sinonasal cavity and modulates more severe inflammatory processes. This study is aimed for identifying the potential correlation between the NTHi lic1A gene expressions and the severity of post-viral acute rhinosinusitis.METHODS: Sixty patients who were diagnosed with post-viral acute rhinosinusitis, were recruited from an ENT clinic in a referral hospital, in Bandung, West Java, Indonesia. All patients underwent a historical assessment and ENT examination. The nasal specimen was taken from the patient’s middle meatal. The NTHi lic1A gene expression was detected using Polymerase Chain Reaction (PCR).RESULTS: We observed that eight patients had the NTHi lic1A (+), with a strong correlation toward the dominant symptoms (nasal obstruction and discharge). In addition, the symptom’s duration of the NTHi lic1A (+) was twice longer than patients with the NTHi lic1A (-). Its severity was significantly more different between the two groups (p=0.034).CONCLUSION: Taken together, the presence of the NTHi lic1A gene is significantly associated with the severity of the disease and the symptom’s duration. Thus, the NTHi lic1A gene could potentially be a good marker for assessing the severity of post-viral acute rhinosinusitis cases in the future.KEYWORDS: H. influenzae, rhinosinusitis, nasal obstruction, virulence factors

Poliovirus shedding after the first and second doses of trivalent polio vaccines in newborns Viramitha K. Rusmil; Meita Dhamayanti; Sunarjati Soedigdo Adi; Imam Megantara
Paediatrica Indonesiana Vol 55 No 4 (2015): July 2015
Publisher : Indonesian Pediatric Society

Background The trivalent oral polio vaccine (tOPV) produced by Bio Farma consists of three live, attenuated poliovirus serotypes (1, 2, and 3). The tOPV stimulates the formation of secretory IgA (sIgA) on the intestinal wall and lumen. The existence of sIgA is considered giving immunity in the intestines, it could prevent the spread of viral replication and thus inhibit the transmission of the polio virus.Objective To determine the differences in shedding after each of the first two tOPV immunizations in newborns.Methods This one-way repeated measure study was conducted in newborns from three primary health centers in Bandung, West Java. After administering tOPV to newborns, we assessed the shedding of poliovirus in their stool specimens at 30 days after the first dose and 7 days after the second dose. Data was analyzed using McNemar test with 95% confidence intervals (CI) to differentiate the shedding of poliovirus after the first and second doses.Results Of 150 children, 128 subjects completed the study. At 30 days after the first tOPV dose, 26 subjects (20.3%) were negative for shedding of poliovirus in stool specimens. Of the 102 subjects who had poliovirus isolated from their stools, the serotypes comprised of polio 1: 10.9%, polio 2: 14.8%, polio 3: 45.3%, polio 1 and 3: 3.1%, polio 2 and 3: 4.7%, and polio 1,2, and 3: 0.8%. At 7 days after the second tOPV dose, there was a significant increase in subjects negative for shedding of poliovirus (78 subjects; 60.9%). Statistical analysis revealed significantly decreased shedding of poliovirus in stool specimens between the first and second doses of tOPV (P<0.05 ).Conclusion There is a significantly decreased number of subjects with shedding of poliovirus in stool specimens 7 days after the second tOPV dose than at 30 days after the first tOPV dose.

Microbiota profile in sinonasal mucosa of chronic rhinosinusitis as an indicator for therapeutic outcome Imam Megantara; Muhammad Fadhil Ihsan Yazid; Gita Widya Pradini; Melati Sudiro; Chrysanti Murad
Oto Rhino Laryngologica Indonesiana Vol 51, No 2 (2021): VOLUME 51, NO. 2 JULY - DECEMBER 2021
Publisher : PERHATI-KL

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32637/orli.v51i2.423

ABSTRACTBackground: Chronic rhinosinusitis (CRS) is characterized by persistent inflammation of the sinonasal mucosa, which often requires surgical and additional post-operative therapy. Microbial dysbiosis due to the imbalance of commensal bacteria and pathogens plays a crucial role in the inflammatory process within the sinonasal mucosa and in therapy outcome. Further knowledge about the microbiota profile in CRS is needed to improve the management strategy for CRS patients. Purpose: To review recent studies on the microbiota profile in sinonasal mucosa of CRS patients, and its potential as an indicator for therapeutic outcome. Literature review: Recent data from several studies has documented increased microbiota richness and diversity in post-operative CRS patients’ sinonasal mucosa, as well as good post-operative outcomes. Increased genus Corynebacterium abundance was also consistently associated with good post-operative outcomes. Conclusion: There was a difference in microbiota profiles in pre and post-operative CRS patients, indicating an association with clinical improvement. Corynebacterium was associated with better post-operative outcomes. Thus, the presence of these bacteria potentially could be used as an indicator for therapeutic outcome.Keywords: chronic rhinosinusitis, microbiota, endoscopic sinus surgery, therapeutic outcomeABSTRAKLatar belakang: Rinosinusitis kronis (RSK) merupakan kondisi inflamasi yang menetap pada mukosa sinonasal dan sering memerlukan operasi dan terapi tambahan pasca-operasi. Kondisi disbiosis mikrobiota akibat ketidakseimbangan bakteri komensal dan patogen diduga memengaruhi proses inflamasi pada mukosa sinonasal dan luaran terapi. Diperlukan pengetahuan tentang profil mikrobiota pada RSK sehingga diharapkan dapat meningkatkan strategi penanganan pasien RSK. Tujuan: Mempelajari studi terkini tentang profil mikrobiota pada mukosa sinonasal pasien RSK, dan potensinya sebagai indikator luaran terapi. Tinjauan pustaka: Data terkini dari beberapa penelitian menemukan peningkatan kekayaan dan keragaman mikrobiota pada mukosa sinonasal pasien RSK pasca-operasi dan memiliki hubungan dengan luaran operasi yang baik. Peningkatan kelimpahan genus Corynebacterium ditemukan secara konsisten berkaitan dengan luaran operasi yang baik. Kesimpulan: Terdapat perbedaan profil mikrobiota pada pasien RSK pra dan pasca-operasi yang mengindikasikan kaitannya dengan perbaikan klinis. Corynebacterium adalah bakteri yang ditemukan memiliki hubungan dengan luaran operasi yang lebih baik, sehingga keberadaan bakteri ini berpotensi untuk dapat dimanfaatkan sebagai indikator luaran terapi.Kata kunci: rinosinusitis kronis, mikrobiota, operasi sinus endoskopik, luaran terapi

Microbiota profile in sinonasal mucosa of chronic rhinosinusitis as an indicator for therapeutic outcome Imam Megantara; Muhammad Fadhil Ihsan Yazid; Gita Widya Pradini; Melati Sudiro; Chrysanti Murad
Oto Rhino Laryngologica Indonesiana Vol. 51 No. 2 (2021): VOLUME 51, NO. 2 JULY - DECEMBER 2021
Publisher : PERHATI-KL

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32637/orli.v51i2.423

ABSTRACTBackground: Chronic rhinosinusitis (CRS) is characterized by persistent inflammation of the sinonasal mucosa, which often requires surgical and additional post-operative therapy. Microbial dysbiosis due to the imbalance of commensal bacteria and pathogens plays a crucial role in the inflammatory process within the sinonasal mucosa and in therapy outcome. Further knowledge about the microbiota profile in CRS is needed to improve the management strategy for CRS patients. Purpose: To review recent studies on the microbiota profile in sinonasal mucosa of CRS patients, and its potential as an indicator for therapeutic outcome. Literature review: Recent data from several studies has documented increased microbiota richness and diversity in post-operative CRS patients’ sinonasal mucosa, as well as good post-operative outcomes. Increased genus Corynebacterium abundance was also consistently associated with good post-operative outcomes. Conclusion: There was a difference in microbiota profiles in pre and post-operative CRS patients, indicating an association with clinical improvement. Corynebacterium was associated with better post-operative outcomes. Thus, the presence of these bacteria potentially could be used as an indicator for therapeutic outcome.Keywords: chronic rhinosinusitis, microbiota, endoscopic sinus surgery, therapeutic outcomeABSTRAKLatar belakang: Rinosinusitis kronis (RSK) merupakan kondisi inflamasi yang menetap pada mukosa sinonasal dan sering memerlukan operasi dan terapi tambahan pasca-operasi. Kondisi disbiosis mikrobiota akibat ketidakseimbangan bakteri komensal dan patogen diduga memengaruhi proses inflamasi pada mukosa sinonasal dan luaran terapi. Diperlukan pengetahuan tentang profil mikrobiota pada RSK sehingga diharapkan dapat meningkatkan strategi penanganan pasien RSK. Tujuan: Mempelajari studi terkini tentang profil mikrobiota pada mukosa sinonasal pasien RSK, dan potensinya sebagai indikator luaran terapi. Tinjauan pustaka: Data terkini dari beberapa penelitian menemukan peningkatan kekayaan dan keragaman mikrobiota pada mukosa sinonasal pasien RSK pasca-operasi dan memiliki hubungan dengan luaran operasi yang baik. Peningkatan kelimpahan genus Corynebacterium ditemukan secara konsisten berkaitan dengan luaran operasi yang baik. Kesimpulan: Terdapat perbedaan profil mikrobiota pada pasien RSK pra dan pasca-operasi yang mengindikasikan kaitannya dengan perbaikan klinis. Corynebacterium adalah bakteri yang ditemukan memiliki hubungan dengan luaran operasi yang lebih baik, sehingga keberadaan bakteri ini berpotensi untuk dapat dimanfaatkan sebagai indikator luaran terapi.Kata kunci: rinosinusitis kronis, mikrobiota, operasi sinus endoskopik, luaran terapi

Angka Kejadian dan Karakteristik Klinis Pasien Infeksi Jamur Invasif di RSUP Dr. Hasan Sadikin Tahun 2020 – 2022 Alessandro, Ariella; Fauziah, Nisa; Megantara, Imam; Wisaksana, Rudi; Dewi, Intan Mauli Warma
Jurnal Penyakit Dalam Indonesia Vol. 10, No. 4
Publisher : UI Scholars Hub

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Introduction. Invasive fungal infection (IFI) is increasingly common in patients at risk, especially those with impaired immune response. In Indonesia, there is currently a low prevalence of IFI which may be influenced by challenges in diagnosis. This study aimed to determine the prevalence and clinical characteristics of IFI patients in Dr. Hasan Sadikin Hospital in Bandung, Indonesia. Methods. This cross-sectional study was conducted at Dr. Hasan Sadikin Hospital. Data were collected using medical records of IFI patients diagnosed between 2020 and 2022 which were selected using total sampling method. Demographic data, clinical symptoms, radiological appearance, and laboratory results were recorded. Results. The prevalence of IFI in Dr. Hasan Sadikin Hospital between 2020 and 2022 was 0,04% (40 per 100,000 patients). The most common cause of invasive fungal infection was Cryptococcus spp. and Candida spp. Fever and loss of consciousness were the two most common signs and symptoms found in this study. HIV/AIDS was present in 51,4% of cases. The diagnostic test was mostly done with cryptococcal antigen (CrAg) examination. Lung involvement was common, appearing as consolidation, infiltration, and ground glass opacity in the lungs. The mortality rate of IFI patients was 51,4%. Conclusions. The prevalence of IFI in Dr. Hasan Sadikin Hospital was quite low, with HIV/AIDS as the most common risk factor. However, there was a high mortality rate found this study is high. Thus, timely diagnosis and antifungal treatment induction should be considered to improve the outcome of invasive fungal infection patients.

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