BACTERIOLOGICAL PROFILE AND ANTIMICROBIAL SUSCEPTIBILITY PATTERN OF ISOLATES FROM OCULAR INFECTIONS AMONG THE PATIENTS ATTENDING OPHTHALMOLOGY DEPARTMENT OF A TERTIARY CARE HOSPITAL.

2021 ◽  
pp. 56-59
Author(s):  
Indira Ananthapadmanab asasmy ◽  
Shambhavi . G. K. ◽  
C.H. Srinivasa Rao
Keyword(s):  
Clinical Practice ◽  
High Resistance ◽  
Antimicrobial Susceptibility ◽  
Tertiary Care Hospital ◽  
Tertiary Care ◽  
Diffusion Method ◽  
Care Hospital ◽  
Gram Positive ◽  
Gram Negative ◽  
Ocular Infections

Background: Ocular infections are one of the major causes of visual impairment around the world. Infections can either be due to single microbe or polymicrobial. it is essential to know the specic etiology of the infection for the effective management of ocular infections. This study aims to identify microbes responsible for common ocular infections and to determine its antibiotic susceptibility to commonly used antibiotics used in clinical practice. Clinical Methods: A hospital based cross sectional study included 290 patients attending the ophthalmology department of a tertiary care hospital. After a thorough clinical examination samples were taken and were subjected to Grams' stain, culture methods, biochemical tests for the identication of the microbe. Antibacterial susceptibility test was performed using Kirby Bauer disc diffusion method. Results: Among 290 patients, the common clinical conditions include conjunctivitis 108 (37.24%), keratitis 37 (12.76%), dacryocytitis 53 (18.28%), blepharitis 52 (17.93%), trauma 24 (8.28%), infective uveitis 10(3.45%) and endophthalmitis 6(2.07%). Among the total ocular infections 146(50.34%) were positive for culture. Among the total isolated, 110(75.34%) were Gram positive and 36(24. 66%) were Gram negative. The Gram positive bacteria isolated showed highest sensitivity to ciprooxacin (86.36%) followed by gentamycin (82.72%) and clindamycin (80%). The Gram negative bacteria showed high resistance to tetracycline 7(19.44%), followed by amoxicillin-clavulanic acid (30.56%). Conclusion: The most common ocular infection is conjunctivitis followed by dacryocystitis which is most commonly caused by Staphylococcus aureus, which showed high resistance to Amoxcillin, Tetracycline and Erythromycin. To prevent the emergence of antimicrobial resistance, it is necessary to perform antimicrobial susceptibility testing before initiating antibiotics in clinical practice.

scholarly journals Asymptomatic Bacteriuria among Pregnant Women Attending Tertiary Care Hospital in Lucknow, India

2021 ◽  
pp. 1-8
Author(s):  
Naimshree Sonkar ◽  
Malay Banerjee ◽  
Suman Gupta ◽  
Absar Ahmad
Keyword(s):  
Haemoglobin Level ◽  
Pregnant Women ◽  
Antimicrobial Susceptibility ◽  
Tertiary Care Hospital ◽  
Tertiary Care ◽  
Asymptomatic Bacteriuria ◽  
Care Hospital ◽  
Gram Positive ◽  
Gram Negative ◽  
E Coli

Introduction: Asymptomatic bacteriuria (ASB) is the presence of actively multiplying bacteria within the urinary tract with absence of any symptoms, resulting in adverse pregnancy outcomes. This research study was done in order to review prevalence, antimicrobial susceptibility profile, and factors associated with ASB occurring in female patients who are pregnant and being treated at a tertiary care hospital in Lucknow, India. Method and Materials: This is a cross-sectional study done among 216 pregnant women attending a hospital for antenatal check-ups. Clean catch midstream urine samples were collected and examined microscopically, and semi-quantitative culture was done on blood agar and MacConkey agar. Isolates were identified by colony morphology and biochemical tests, and antimicrobial susceptibility testing was done by using the Kirby-Bauer method. Results: Of the 216 pregnant women, 36 (16.7%) tested positive for ASB. The female gestational period, haemoglobin level, and BMI were significantly associated with ASB. Logistic regression also showed that higher haemoglobin level was less likely to ASB (AOR = 0.42, 95% confidence interval: 0.202–0.88, p = 0.021). The predominant and usual isolates were E. coli (n = 22, 61.1%), followed by Cons (n = 6, 16.7%), and S. aureus (3, 8.3%). All Gram-negative isolates were mostly sensitive to most of the drugs like piperacillin-tazobactam, cefepime, nitrofurantoin, and meropenem but were 100% resistant to ampicillin. Similarly, Gram-positive isolates were sensitive to ampicillin, vancomycin, linezolid, and nitrofurantoin but 100% resistant to co-trimoxazole. Conclusion: The present study shows the existence of ASB was 16.7% among women who are pregnant. Pregnancy duration, haemoglobin level, and BMI were significantly associated with ASB. The isolates identified more frequently were E. coli (61.16%), Cons (16.7%), and S. aureus (8.3%). All isolates which were Gram-negative were mostly sensitive to most of the drugs but were 100% resistant to ampicillin. Similarly, Gram-positive isolates were sensitive to most of the drugs but 100% resistant to co-trimoxazole.

AEROBIC BACTERIOLOGICAL PROFILE WITH ANTIMICROBIAL SUSCEPTIBILITY PATTERN OF PUS SAMPLES AT A TERTIARY CARE HOSPITAL IN JAIPUR

2021 ◽  
pp. 65-67
Author(s):  
Hemendra K Sharma ◽  
Niketa Gupta ◽  
Mahesh Yadav ◽  
Aruna Vyas ◽  
Rajni Sharma
Keyword(s):  
Antimicrobial Susceptibility ◽  
Tertiary Care ◽  
Morbidity And Mortality ◽  
Diffusion Method ◽  
Care Hospital ◽  
Susceptibility Pattern ◽  
Gram Positive ◽  
Gram Negative ◽  
Inappropriate Use ◽  
Antimicrobial Susceptibility Pattern

Background: Pyogenic infections can be caused by various microorganisms and may co-exist as poly microbial infections which require antibiotic therapy. The inappropriate use of antibiotics has led to major problems of MDRO's contributing to morbidity and mortality. Even though the bacteriological prole of pus samples in many studies remain the same, antimicrobial susceptibility pattern of these isolates has shown a lot of variation. This study was conducted to assess bacteriological prole of pus samples and their antimicrobial susceptibility pattern Materials and Methods:Aretrospective study was carried out from April to June 2021. 540 pus culture aerobic bacterial isolates were included. The samples were cultured on Blood and MacConkey agar. After aerobic incubation at 37oC for 18-24 hrs, organisms were identied by conventional bacteriology methods as per laboratory protocol and antimicrobial susceptibility was tested by Kirby Bauer disc diffusion method as per CLSI 2020 guideline. Results: Out of 540 pus isolates , 452(83.7%)were gram negative bacili and 88(16.3%) were gram positive cocci Pseudomonas spp. 173(31.9%), was most common gram negative isolate while S.. aureus 66(12.19%) was most common Gram positive isolate. Most of gram negative isolates were susceptible to Imipenem and Polymyxin and gram positive isolates to vancomycin and linezolid . Conclusion: To combat resistance irrational use of antibiotics should be avoided. Also regular surveillance helps in implementing better therapeutic strategies to reduce morbidity and mortality

scholarly journals Bacteriological Profile of Chronic Osteomyelitis with Special Reference to Antibiotic Resistance Mechanisms/Patterns – A Cross-sectional Prospective Study from Tertiary Care Hospital in Central India

2020 ◽  
pp. 43-52
Author(s):  
Aparna Pandey ◽  
Prachi Shaw ◽  
Aamir Johar
Keyword(s):  
Multidrug Resistance ◽  
Antimicrobial Susceptibility ◽  
Chronic Osteomyelitis ◽  
Tertiary Care Hospital ◽  
Tertiary Care ◽  
Central India ◽  
Diffusion Method ◽  
Care Hospital ◽  
Age Group ◽  
Gram Negative

Objective: Chronic osteomyelitis is the infection and inflammation of the bone. Inappropriate use of antibiotics and multidrug resistance has raised the morbidity and mortality rate in chronic osteomyelitis. This study aims to determine the bacterial profile and antimicrobial susceptibility patterns of chronic osteomyelitis with special mention to various resistant mechanisms. Methods: The study is a prospective design. Hundred (100) clinically diagnosed cases of chronic osteomyelitis of all age group and both sex admitted in a tertiary care hospital at central India, in one year were included. Samples like pus, sinus discharge or exudates were collected aseptically and sent for microbiological investigation. Antimicrobial susceptibility of bacterial isolates to the commonly used antibiotics was done by using modified Kirby Bauer disc diffusion method. Results: The aerobic bacteriological study of chronic osteomyelitis showed Staphylococcus aureus is being continued to be major etiological agent followed by Pseudomonas aeruginosa and Staphylococcus epidermidis. Gram-positive isolates were sensitive to linezolid, teicoplanin while gram-negative isolates were sensitive to colistin, ciprofloxacin in the majority. The disease occurs mostly due to traumatic injuries commonly affecting the middle age group. In present study prevalence of methicillin-resistant Staphylococci aureus and β Lactamase producing (ESBL, Amp-C and MBL) gram-negative bacilli is found to be on the higher side. Conclusion: It has been the major cause of morbidity for a long time. The emerging multidrug-resistant strain is a major concern for the treatment. Identification of causative isolates and using a judicious selection of antibiotics will help the clinician in starting the empirical treatment accordingly would limit the multidrug resistance strains in the hospital as well as the community.

scholarly journals Prevalence of nonfermentative gram-negative bacilli and their antimicrobial susceptibility profiles in a tertiary care hospital of Eastern India

2018 ◽  
Vol 5 (2) ◽  
pp. 366 ◽  
Author(s):  
Mandira Sarkar ◽  
Jagadananda Jena ◽  
Dipti Pattnaik ◽  
Bandana Mallick
Keyword(s):  
Antimicrobial Susceptibility ◽  
Nosocomial Infections ◽  
Tertiary Care Hospital ◽  
Tertiary Care ◽  
Burkholderia Cepacia Complex ◽  
Diffusion Method ◽  
Clinical Samples ◽  
Care Hospital ◽  
Isolation And Identification ◽  
Gram Negative

Background: Nonfermentative gram-negative bacilli (nonfermenters) have emerged as a major concern for nosocomial infections. They exhibit resistance not only to the beta-lactam and other group of antibiotics but also to carbapenems. This study was undertaken to know the prevalence of nonfermenters from clinical samples along with their antimicrobial susceptibility profile.Methods: A cross-sectional study over a period of 21 months in the microbiology laboratory of a tertiary care hospital was done. Clinical samples were processed by conventional bacteriological methods for isolation and identification. Susceptibility testing was done by Kirby-Bauer disc diffusion method as recommended by Clinical and Laboratory Standard Institute.Results: 411 nonfermenters (13.18%) were isolated from 3116 culture positive clinical samples. Out of these nonfermenters, most were Acinetobacter baumannii (51.34%) followed by Pseudomonas aeruginosa (42.09%), Burkholderia cepacia complex (4.38%) and others (2.19%). Others included Burkholderia pseudomellei, Acinetobacter lwoffii and Stenotrophomonas maltophilia. Highest sensitivity to gentamicin and amikacin were shown by A. baumannii and P. aeruginosa respectively while both were mostly resistant to ceftriaxone. Burkholderia and Stenotrophomonas species showed 100% sensitivity to cotrimoxazole. A. baumannii was the most prevalent nonfermenter in intensive care units.Conclusions: Timely identification of nonfermenters and monitoring their susceptibility patterns will help in proper management of infections caused by them. Improved antibiotic stewardship and infection control measures should be implemented to prevent nosocomial infections and spread of drug resistant nonfermenters.

scholarly journals ISOLATION AND ANTIMICROBIAL SUSCEPTIBILITY PATTERN OF MICROORGANISMS CAUSING INTRA-ABDOMINAL INFECTIONS AT TERTIARY CARE HOSPITAL OF NORTHERN INDIA

2021 ◽  
pp. 37-40
Author(s):  
PARMINDER SINGH ◽  
RITU GARG ◽  
HARIT KUMAR ◽  
RINKU
Keyword(s):  
Antimicrobial Susceptibility ◽  
Klebsiella Oxytoca ◽  
Tertiary Care ◽  
Effective Drug ◽  
Diffusion Method ◽  
Care Hospital ◽  
Susceptibility Pattern ◽  
Gram Positive ◽  
Gram Negative ◽  
Gram Negative Organisms

Objective: The objective of the study is to find out the resistance pattern of pathogenic organisms isolated from intra-abdominal infection (IAI). Methods: A total of 500 samples were collected from suspected IAIs of patients reporting to the hospital and cultured. Identification of the isolates was done using standard identification protocol. Antimicrobial susceptibility was performed by Kirby-Bauer disc diffusion method and interpretation was done using Central Laboratory Standard Institute guidelines. Results: Out of 500 samples, 170 were culture positive and 330 showed no growth. Gram-negative organisms (n=127) outnumbered the Gram-positive organisms (n=23). Among the Gram-negative organisms, Escherichia coli (n=67) was the most commonly isolated bacilli followed by Klebsiella sp. (n=32), Pseudomonas sp. (n=25), Acinetobacter baumannii (n=18), and Klebsiella oxytoca (n=05). Among Gram-positive organisms Staphylococcus aureus (n=17) and Enterococcus spp (n=06) isolates of were grown in culture. Among Gram-negative bacilli, Imipenem followed by Gentamicin was the most effective drug but in Acinetobacter spp. The second most effective drug was Tigecycline. Among Gram-positive isolates, Linezolid was the most effective drug. Conclusion: Prompt starting of empirical antimicrobials based on the local susceptibility pattern, followed by modification of treatment in accordance with the antimicrobial susceptibility report can significantly reduce the morbidity and the mortality associated with IAIs.

scholarly journals The Prevalence and Antimicrobial Susceptibility Pattern of Gram-Positive Pathogens: Three-Year Study at a Private Tertiary Care Hospital in Mumbai, India

2021 ◽  
Author(s):  
Sweta Shah ◽  
Ritika Rampal ◽  
Pooja Thakkar ◽  
Sushima Poojary ◽  
Shweta Ladi
Keyword(s):  
Antimicrobial Susceptibility ◽  
Tertiary Care Hospital ◽  
Methicillin Resistance ◽  
Tertiary Care ◽  
Resistance Pattern ◽  
Steady Increase ◽  
Coagulase Negative Staphylococcus ◽  
Care Hospital ◽  
Gram Positive ◽  
Tract Infections

Abstract Introduction The growing resistance pattern of the gram-positive pathogens along with a steady increase in minimum inhibitory concentration of the currently available antibiotics have led to an increase in morbidity and mortality rates in India. This study aims to access the shifting antibiotic susceptibility paradigm of the gram-positive pathogens in various infections at a tertiary care center. Methods This is a 3-year retrospective observational study which was performed from January 2016 to December 2018 at a tertiary care hospital in Mumbai. All clinically significant gram-positive cocci isolated from a variety of clinical specimens were studied for their prevalence and antimicrobial susceptibility. Results Out of 4,428 gram-positive isolates, Staphylococcus aureus (35.3%) was the commonly encountered pathogen, followed by Enterococcus spp. (32.1%) and coagulase-negative Staphylococcus (CoNS) (25.7%). S. aureus was majorly isolated from skin and soft tissue infections (60.3%), followed by patients with respiratory tract infections (18.2%) and blood stream infections (13%). Among S. aureus, particularly methicillin-resistant S.aureus (MRSA), prevalence increased from 29.5% in 2016 to 35.1% in 2018, with an overall prevalence of 33.6%. All S. aureus isolates were 100% sensitive toward vancomycin, linezolid, tigecycline, and teicoplanin. However, the CoNS isolates showed a higher resistance rate with reduced susceptibility toward linezolid and teicoplanin. High prevalence of resistance was observed across gram-positive isolates with commonly used antibiotics such as ciprofloxacin, levofloxacin, and erythromycin. While the prevalence of linezolid-resistant enterococcus (LRE) was 3.6%, vancomycin (VRE) and teicoplanin resistance among the enterococcus species was as high as 7.7% and 7.5%, respectively. Conclusion Rising methicillin resistance among the Staphylococcal species (MRSA and MR-CoNS) along with reduced susceptibility toward currently available anti-MRSA agents is a matter of serious concern as it limits the therapeutic options for treating multidrug resistant (MDR) gram-positive infections.

scholarly journals Microbiological Screening and Antimicrobial Sensitivity Profiling of Wound Infections in a Tertiary Care Hospital of Bangladesh

2020 ◽  
pp. 101-106
Keyword(s):  
Wound Infection ◽  
Primary Care Physicians ◽  
Tertiary Care Hospital ◽  
Tertiary Care ◽  
Treatment Modalities ◽  
Care Hospital ◽  
Bacterial Isolates ◽  
Gram Positive ◽  
Gram Negative ◽  
Antimicrobial Sensitivity

Wound infection is a major problem in hospitals in developing countries. Wound infection causes morbidity and prolonged hospital stay thus this prospective study was conducted for a period of seven months (January 2019 to July 2019). A total of 217 specimens (wound swabs and pus exudates) from wound infected patients in a Tertiary Care Hospital in Bangladesh. A retrospective study of the microbiological evaluation was done by cultural growth as well as Gram staining and biochemical examination to identify the bacterial isolates. Finally, the antimicrobial vulnerability testing was performed by Kirby-Bauer disc diffusion conventional method. A total of 295 samples were tested. Out of which 217 (73.5%) were found culture positive. E. coli was the most predominant gram-negative isolates whereas Staphylococcus aureus and Coagulase-negative Staphylococcus were the most commonly isolated gram-positive organisms. Antimicrobial sensitivity profile of bacterial isolates revealed imipenem, meropenem, amikacin, and nitrofurantoin to be the most effective antimicrobials against gram-negative isolates, whereas imipenem, meropenem, amikacin, nitrofurantoin, amoxiclav, and gentamicin were the most effective drugs against gram-positive isolates. The result of this examination contributes to the identification of basic causative microbes involved in wound infection and findings of antibiotic susceptibility patterns can be helpful for primary care physicians to optimize the treatment modalities, articulate policies for empiric antimicrobial therapy, and to minimize the rate of infection among wound infected patients.

scholarly journals “ISOLATION AND CHARACTERIZATION OF LACTOSE AND NON- LACTOSE FERMENTING BACTERIA FROM TERTIARY CARE HOSPITAL AND THEIR ANTIMICROBIAL SUSCEPTIBILITY TEST”

2017 ◽  
Vol 10 (2) ◽  
pp. 201
Author(s):  
Kumud Bala ◽  
Ridhima Wadhwa ◽  
Rachana Bohra
Keyword(s):  
Tertiary Care Hospital ◽  
Tertiary Care ◽  
Susceptibility Test ◽  
Diffusion Method ◽  
Gram Negative Bacteria ◽  
Care Hospital ◽  
Disc Diffusion ◽  
Gram Negative ◽  
Fermenting Bacteria ◽  
Vitek 2

Objective: The purpose of the present study was to identify the fermenting and non-fermenting gram negative bacteria from the tertiary care hospital.Methods: The conventional method of identification by biochemical analysis and antibiotic susceptibility test was performed by Kirby-Bauer disc diffusion method. Furthermore, analysis of microbes was done by Vitek-2.Results: 424strains of lactose fermenting and non-lactose fermenting gram negative bacilli were isolated from 3097 clinical samples. From the total lactose fermenting bacteria Escherichia coli was the predominant isolate accounting for 50.94% specimens, followed by Klebsiella pneumonia 27.59% and Enterobacter 0.47%. From the total non-lactose fermenting gram negative bacilli Acinetobacter baumannii was the predominant isolate accounting for 12.73% specimens followed by Pseudomonas aeroginosa 6.13%, other isolates were Stenotrophomonas maltophilia 1.17% , Burkholderia cepacia 0.94%. In the present study male were more infected than female. The study also showed that lactose fermenting bacteria were more infectious than non lactose-fermenting bacteria and isolates were from urine samples.Conclusion: Both Non-Lactose Fermenting Gram Negative Bacilli and Lactose Fermenting Gram Negative Bacilli were found to be major contaminants, and are important pathogenic bacteria causing wide range of infections in the tertiary care hospital.Keywords: Lactose fermenting gram negative bacteria, Vitek-2, Tertiary Care Hospital, Kirby-Bauer Disc Diffusion, Lactose non-fermenting gram negative bacteria  

scholarly journals High Prevalence of Antimicrobial Resistance Among Gram-Negative Isolated Bacilli in Intensive Care Units at a Tertiary-Care Hospital in Yucatán Mexico

Medicina ◽  
2019 ◽  
Vol 55 (9) ◽  
pp. 588 ◽  
Author(s):  
Andrés H. Uc-Cachón ◽  
Carlos Gracida-Osorno ◽  
Iván G. Luna-Chi ◽  
Jonathan G. Jiménez-Guillermo ◽  
Gloria M. Molina-Salinas
Keyword(s):  
Escherichia Coli ◽  
Intensive Care ◽  
Antimicrobial Resistance ◽  
Intensive Care Units ◽  
High Resistance ◽  
Tertiary Care Hospital ◽  
Tertiary Care ◽  
Care Hospital ◽  
Gram Negative ◽  
Resistance Rates

Background and Objectives: Antimicrobial resistance (AMR) is increasing worldwide and imposes significant life-threatening risks to several different populations, especially to those in intensive care units (ICU). The most commonly isolated organisms in ICU comprise gram-negative bacilli (GNB), and these represent a leading cause of serious infections. This study was conducted to describe the prevalence of resistance in GNB isolated from patients in adults, pediatric, and neonatal ICU in a tertiary-care hospital in Mérida, Mexico. Materials and Methods: A retrospective study was done on samples collected in Neonatal (NICU), Pediatric (PICU) and Adult (AICU) ICU of Unidad Médica de Alta Especialidad, Instituto Mexicano del Seguro Social in Mérida, México. The identification of isolates and antimicrobial susceptibility testing were performed using an automated system. Results: A total of 517 GNB strains were isolated. The most common positive culture was bronchial secretions. Pseudomonas aeruginosa was the prevalent pathogen in NICU and PICU, whereas Escherichia coli was common in the AICU. Overall, GNB exhibited a high resistance rates for Ampicillin (95.85%), Cefuroxime (84.17%), Piperacillin (82.93%), Cefotaxime (78.07%), Ceftriaxone (77.41%), Aztreonam (75.23%), Cefazolin (75.00%), and Ceftazidime (73.19%). There are significant differences in the resistance rates of GNB from different ICUs for penicillins, cephalosporins, carbapenems and fluoroquinolones drugs. Escherichia coli (multidrug-resistant [MDR] = 91.57%, highly resistant microorganisms [HRMO] = 90.36%) and Acinetobacter baumannii (MDR = 86.79%, HRMO = 83.02%) exhibited the highest percentage of MDR and HRMO profiles. The prevalence of the extended-spectrum beta-lactamases (ESBL)-producing isolates was 83.13% in E. coli, 78.84% in Klebsiella pneumoniae, and 66.67% in Proteus mirabilis, respectively. Conclusions: The high resistance rates to drugs were exhibited by our GNB isolates. Continuous surveillance and control of the use of antimicrobials are urgently needed to reduce the emergence and spreading of MDR, HRMO, and/or ESBL-producing bacilli.

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