scholarly journals Patterns of Bacterial Isolates and their Resistance to Antibiotics in Patients with Chemotherapyinduced Febrile Neutropenia at a University Hospital

2021 ◽  
Vol 36 (4) ◽  
pp. e290-e290
Author(s):  
Said Ahmed Al Saifi ◽  
Badriya Al Adawi ◽  
Ikram Burney
Keyword(s):  
Febrile Neutropenia ◽  
University Hospital ◽  
High Rate ◽  
Coagulase Negative Staphylococcus ◽  
Bacterial Isolates ◽  
Gram Positive ◽  
Gram Negative ◽  
Bacterial Spectrum ◽  
Study Results ◽  
Gram Negative Organisms

Objectives: Febrile neutropenia is a major complication of cytotoxic chemotherapy and is associated with a high rate of mortality and morbidity if not treated appropriately. Consequently, it is important to know the bacterial spectrum and pattern of its resistance in each hospital to formulate an appropriate empiric antibiotic regimen. We sought to study the bacterial spectrum in patients with chemotherapy-induced neutropenia and report their resistance patterns. Methods: We conducted a retrospective study on patients admitted with febrile neutropenia between January 2010 and December 2016 in the oncology unit at Sultan Qaboos University Hospital in Oman. Consecutive patients diagnosed with non-hematological malignancies who had febrile neutropenia and positive blood culture were included in this study. Results: A total of 76 bacterial isolates were documented in 67 episodes in 62 patients. There were 26 male and 36 female patients. The median age was 51 (14–81) years. The most common cancers were breast cancer (17.7%), non-Hodgkin lymphoma (16.1%), and colon cancer (14.5%). Gramnegative and gram-positive organisms accounted for 73.7% and 26.3% of all isolates, respectively. The most common gram-negative organisms were Pseudomonas aeruginosa (26.8%), Escherichia coli (23.2%), Klebsiella species (17.9%), and Acinetobacter baumannii (12.5%). The most common gram-positive organisms were Staphylococcus aureus (30.0%), followed by coagulase-negative Staphylococcus (25.0%). There were 14 multidrugresistant organisms and eight extended-spectrum beta-lactamases (ESBL). The resistance among gram-negative organisms to the commonly used broad-spectrum antibiotics was 23.5–55.6%. No resistance was recorded against vancomycin amongst the gram-positive organisms. Eight (12.1%) patients died while neutropenic. Conclusions: Gram-negative organisms were the predominant organisms. There is a high rate of resistance to the commonly used antibiotics. Using a combination of antibiotics is warranted in patients presenting with chemotherapy-induced febrile neutropenia.

P1173PERITONEAL DIALYSIS INFECTIONS IN MALTA - TRENDS OVER ELEVEN YEARS

2020 ◽  
Vol 35 (Supplement_3) ◽  
Author(s):  
Angela Borg Cauchi ◽  
Maria Angela Gauci ◽  
Theresia Dalli ◽  
James Gauci ◽  
James Farrugia ◽  
...  
Keyword(s):  
Peritoneal Dialysis ◽  
Coagulase Negative Staphylococcus ◽  
Distributed Data ◽  
Dialysis Modality ◽  
Gram Positive ◽  
Gram Negative ◽  
Male Predominance ◽  
E Coli ◽  
Number Of Patients ◽  
Gram Negative Organisms

Abstract Background and Aims Infections related to peritoneal dialysis (PD) are still a cause of morbidity and mortality. We describe an overview of PD peritonitis and catheter-related infections (CRI) in Malta over a period of eleven years. We also describe trends in dialysis modality over the years. Method All patients undergoing PD in Malta during 2008 and 2018 were analysed. Data from 2008-2012 was retrospective, shown as mean, that from 2013-2018 prospective. International Society for Peritoneal Dialysis (ISPD) definitions were used. Results for categorical responses were summarized using absolute numbers and percentages. Medians (range) were used to describe continuous non-normally distributed data. Results The total number of patients undergoing PD from 2008 till 2018 were 137 (2008-2012), 91, 80, 126, 117, 102, 103 respectively. There was an overall male predominance of 63.5% (61-67). Patient years at risk were 85.80, 85.25, 89.71, 83.70, 79.69, 72.88 since 2013 respectively. The overall incidence of diabetes mellitus was 45.3% (41.8-50), cardiovascular disease 34.2% (33.8-35), hypertension 79.3% (73.8-84.6). PD was used in 50% of dialysis modality prior to 2012, 39% in 2018. Initially 51% used Automated PD (APD), with 21% assisted PD, in 2018 39% used APD, with 6% assisted PD. PD peritonitis rates from 2008 were 0.38, 0.31, 0.35, 0.46, 0.43, 0.57, 0.54, 0.43, 0.39, 0.40, 0.46 episodes/patient year respectively There was marked dominance of Gram-positive peritonitis, mainly Staphylococcal, with a reduction of coagulase-negative-Staphylococcus from 0.26 episodes/patient in 2013 to 0.03 in 2017, 0.11 in 2018. Methicillin-resistant S. aureus (MRSA) peritonitis decreased from 0.03 episodes/patient to nil in 2016, 2017, 0.01 episodes/patient in 2018. Amongst Gram-negative peritonitis, Pseudomonas rates decreased from 0.06 to 0.03 episodes/patient in 2018, nil in 2016. Escherichia coli rates decreased from 0.02 episodes/patient to nil in the last three years. Fungal rates from 0.03 to 0.01 episodes/patient/year, with nil in 2016, 2017. Catheter-related infection rates were 0.39 (2008-2012), 0.35, 0.91, 0.37, 0.38, 0.25, 0.50 episodes/patient/year respectively. There was a higher incidence of recurrent infections in 2014, none in 2015 and 2016. Gram-negative organisms accounted for 57% of all CRI, predominantly Pseudomonas at 0.12 (2008-2012), 0.06, 0.09, 0.09, 0.14, 0.03, 017 episodes/patient/year respectively. Gram-positive CRI were mostly Staphylococcus aureus, peaking in 2014 at 0.38 episodes/patient/year. MRSA rates declined from 0.15 to 0.01 episodes/patient/year in 2018. Conclusion PD peritonitis rates in Malta between 2008 and 2018 were below the ISPD recommended threshold. There were no episodes of MRSA in 2016, 2017, no Pseudomonas in 2016, no E coli in the last three years and no fungal PD peritonitis in 2016, 2017. CRI rates also declined, with an overall predominance of Gram-negative infections.

scholarly journals Clinico-bacteriological profile of neonatal sepsis

2019 ◽  
Vol 6 (2) ◽  
pp. 796 ◽  
Author(s):  
Rashmi P. ◽  
Praveen B. K.
Keyword(s):  
Neonatal Sepsis ◽  
Clinical Suspicion ◽  
Coagulase Negative Staphylococcus ◽  
Gram Positive ◽  
Gram Negative ◽  
Methicillin Resistant ◽  
Early Onset Sepsis ◽  
Sensitivity Pattern ◽  
Gram Negative Organisms ◽  
Culture Positive

Background: Neonatal sepsis is the commonest cause of neonatal mortality responsible for about 30-50% of total neonatal deaths in developing countries. Surveillance of causative organisms and their antibiotic sensitivity pattern promotes rational use of antibiotics and antibiotic stewardship.Methods: A retrospective study, relevant data regarding the neonates diagnosed with culture positive sepsis was obtained from the case records during the period from July 2014 to June 2017. Culture positive sepsis was defined as isolation of bacterial pathogen from blood in neonates with clinical suspicion of sepsis.Results: Of the 414 neonates with clinical suspicion of sepsis, 110 neonates had blood culture positive sepsis. Sepsis was predominant in males (64.5%). Low birth weight (47.2%) and prematurity (40.9 %) were important neonatal risk factors for sepsis. Early onset sepsis occurred in 58.1% of the cases and late onset sepsis in 41.9% of the neonates. Gram-positive cocci constituted 67.52% of all isolates and gram negative 30.76%. The most frequently isolated organism in blood was methicillin resistant coagulase negative staphylococcus(MRCONS) (32.47%). Gram positive organisms included MRCONS, methicillin resistant Staphylococci aureus (MRSA), group B Streptococci (GBS), Staphylococcus aureus and Enterococci. Among Gram-negative organisms, Acinetobacter was most frequently isolated followed by Klebsiella, Escherichia coli, Pseudomonas, Citrobacter and Burkholderia species. The mortality in the study group was 13.5%. Gram negative organisms were most resistant to ampicillin and cephalosporins. Gram positive isolates were least resistant to vancomycin and linezolid.Conclusions: Gram positive sepsis was the most common type of sepsis among the neonates, although mortality was more in gram negative sepsis.

scholarly journals Re-thinking treatment strategies for febrile neutropenia in paediatric oncology population: the perspective from a developing country

2021 ◽  
Vol 16 (1) ◽  
Author(s):  
Vinson James ◽  
Anand Prakash ◽  
Kayur Mehta ◽  
Tarangini Durugappa
Keyword(s):  
Escherichia Coli ◽  
Drug Resistance ◽  
Febrile Neutropenia ◽  
Tertiary Care ◽  
Automated System ◽  
Multi Drug Resistance ◽  
Coagulase Negative Staphylococcus ◽  
Drug Resistant ◽  
Gram Positive ◽  
Gram Negative

Abstract Background This study was conducted to evaluate the microbiological profile of bacterial isolates in febrile neutropenia in a pediatric oncology unit, thereby, reviewing the use of restricted antibiotics and need for aggressive medical treatment accordingly. Methods A prospective observational study was conducted in a paediatric haemat-oncology division of a tertiary care teaching hospital in southern India from September 2014 to August 2016. One hundred and thirty children with febrile neutropenia were enrolled in the study. Blood cultures were performed using automated system. Cultures from other sites were obtained if needed, based on the clinical profile. Standard antibiotic susceptibility testing was done. Statistical analysis was done using SPSS. Results One hundred and thirty children were enrolled for the study. Two hundred and fifty episodes of febrile neutropenia were studied. Three hundred and eighty four cultures were sent and 92 (24%) cultures were positive. There were 48 (52.2%) Gram negative isolates followed by 33 (35.8%) Gram positive isolates, six (6.5%) fungal isolates and five (5.5%) poly-microbial cultures. Lactose fermenting Gram negative bacilli (20 isolates, 31.5%) were the most frequently isolated in the Gram negative group, with Escherichia coli being the most common organism (19 isolates, 20.6%). Amongst the Gram positive coagulase negative staphylococcus was the most common (twenty seven isolates, 29%). Escherichia coli and Non lactose fermenting gram negative bacteria (NFGNB) had only 36, 25% sensitivity to ceftazidime, respectively. Most Gram negative bacilli were found to have better sensitivity to amikacin (mean: 57%). There was a higher prevalence of extended spectrum beta lactamase producing organisms. Pan drug resistance, Extreme drug resistance and Multi drug resistance was found in three, twenty and thirteen Gram negative isolates respectively.Escherichia coli and Klebsiella were often drug resistant. Significantly higher mortality was associated with Gram negative isolates (eight deaths out of the thirteen deaths, 61.5%). Conclusions Our results show the importance of surveillance, monitoring resistance frequencies and identifying risk factors specific to each region. Given that significant mortality is attributed to drug resistant Gram negative bacilli, early initiation of appropriate antibiotics to cover for drug resistance is required while formulating empirical antibiotic policies for febrile neutropenia in the oncology units in the developing world.

Trends of Antimicrobial Resistance of Sepsis Pathogens at a University Hospital in New Delhi, India

Drug Research ◽  
2020 ◽  
Vol 70 (10) ◽  
pp. 463-471
Author(s):  
Md Shamshir Alam ◽  
Prem Kapur ◽  
ParuKutty Pillai ◽  
Krishna Kolappa Pillai
Keyword(s):  
Staphylococcus Aureus ◽  
Antimicrobial Resistance ◽  
Antimicrobial Agents ◽  
Salmonella Typhi ◽  
University Hospital ◽  
Coagulase Negative Staphylococcus ◽  
Gram Negative Bacteria ◽  
Gram Positive ◽  
Acinetobacter Species ◽  
Gram Negative

AbstractKnowledge of the aetiological agents and its susceptibility to antimicrobial agents enables the clinician to initiate appropriate empirical antimicrobial therapy and guides diagnostic procedures. The aims of the study were to identify prevalence of bacterial pathogens causing sepsis and observe their antimicrobial resistance trends in hospitalized patients. A prospective cohort study was conducted on patients of sepsis admitted at a university hospital over a period of six months. Pathogens were identified by morphological, biochemical and serological tests as per the American Society for Microbiology. Antibacterial sensitivity of bacterial strains isolated from clinically diagnosed sepsis was carried out by Kirby-Bauer disk diffusion method and interpreted according Clinical and Laboratory Standards Institute guidelines. The data were analyzed by using Statistical Package for Social Sciences, version 16.0 (SPSS 16.0, Chicago, IL, USA). Coagulase negative Staphylococcus (63.5%) and Staphylococcus aureus (23.1%) were the most frequently isolated Gram positive bacteria. Acinetobacter species (31%) and Salmonella typhi (24.1%) were the most frequently isolated Gram negative bacteria. Coagulase negative Staphylococcus showed significant resistance to ciprofloxacin and tetracycline. Acinetobacter species showed significant resistance to ampicillin, amoxicillin and amoxiclav. Salmonella typhi showed significant resistance to ampicillin, amoxicillin, cefotaxime, netilmicin and, tetracycline. Escherichia coli showed significant resistance to ampicillin and netilmicin. All the stains of Staphylococcus aureus were resistant to amoxicillin. Coagulase negative Staphylococcus and Acinetobacter species were predominant Gram positive and Gram negative bacteria, respectively, causing sepsis. Increasing rates of bacterial resistance to commonly use antimicrobial agents were observed.

scholarly journals Linearized esculentin-2EM shows pH dependent antibacterial activity with an alkaline optimum

2021 ◽  
Author(s):  
Erum Malik ◽  
David A. Phoenix ◽  
Timothy J. Snape ◽  
Frederick Harris ◽  
Jaipaul Singh ◽  
...  
Keyword(s):  
Helical Structure ◽  
Food Preservation ◽  
Forming Process ◽  
Gram Positive ◽  
Gram Negative ◽  
Bacterial Membranes ◽  
Gram Positive Bacteria ◽  
Alkaline Conditions ◽  
Ph Dependent ◽  
Gram Negative Organisms

AbstractHere the hypothesis that linearized esculentin 2EM (E2EM-lin) from Glandirana emeljanovi possesses pH dependent activity is investigated. The peptide showed weak activity against Gram-negative bacteria (MLCs ≥ 75.0 μM) but potent efficacy towards Gram-positive bacteria (MLCs ≤ 6.25 μM). E2EM-lin adopted an α-helical structure in the presence of bacterial membranes that increased as pH was increased from 6 to 8 (↑ 15.5–26.9%), whilst similar increases in pH enhanced the ability of the peptide to penetrate (↑ 2.3–5.1 mN m−1) and lyse (↑ 15.1–32.5%) these membranes. Theoretical analysis predicted that this membranolytic mechanism involved a tilted segment, that increased along the α-helical long axis of E2EM-lin (1–23) in the N → C direction, with −  < µH > increasing overall from circa − 0.8 to − 0.3. In combination, these data showed that E2EM-lin killed bacteria via novel mechanisms that were enhanced by alkaline conditions and involved the formation of tilted and membranolytic, α-helical structure. The preference of E2EM-lin for Gram-positive bacteria over Gram-negative organisms was primarily driven by the superior ability of phosphatidylglycerol to induce α-helical structure in the peptide as compared to phosphatidylethanolamine. These data were used to generate a novel pore-forming model for the membranolytic activity of E2EM-lin, which would appear to be the first, major reported instance of pH dependent AMPs with alkaline optima using tilted structure to drive a pore-forming process. It is proposed that E2EM-lin has the potential for development to serve purposes ranging from therapeutic usage, such as chronic wound disinfection, to food preservation by killing food spoilage organisms.

scholarly journals 1554. Epidemiology of Adult Bacterial Hand Infections at Two Urban Hospitals

2020 ◽  
Vol 7 (Supplement_1) ◽  
pp. S777-S778
Author(s):  
Arsheena Yassin ◽  
Christine Stavropoulos ◽  
Krystina L Woods ◽  
Jiashan Xu ◽  
Justin Carale ◽  
...  
Keyword(s):  
New York ◽  
Staphylococcus Aureus ◽  
Antibiotic Regimen ◽  
Gram Positive ◽  
Gram Negative ◽  
Streptococcus Species ◽  
Urban Hospitals ◽  
Haemophilus Parainfluenzae ◽  
Empiric Antibiotic ◽  
Gram Negative Organisms

Abstract Background Hand infections represent a major source of morbidity, which can result in hand stiffness and amputation. Early appropriate empiric antibiotic regimen may reduce the associated morbidity, hence the importance to examine local epidemiology. The aim of this study was to define the current epidemiology of adult hand infections at two urban hospitals in New York City. Methods We performed a double center, retrospective study of adult patients hospitalized from March 2018 to May 2020. Patients with positive cultures associated with the hand infections were included. Retrospectively, 100 patients were reviewed. Data on baseline demographic, clinical, surgical, microbiology, and treatment parameters were collected. Results Of the 100 patients, 76% were male, with median age of 47.5 years (35, 58.25) and average C-reactive protein (CRP) of 50.66 mg/L (± 64.64) on admission (see Table 1). Previous hospitalization within 1 year (38%), previous surgical procedures (39%) and recent IV medication use (26%) were common. 130 bacterial isolates were identified (see Table 2). The most frequent organisms were Gram-positive, with Methicillin susceptible Staphylococcus aureus (MSSA, 25.38%), Streptococcus species (20.08%), and Methicillin resistant Staphylococcus aureus (MRSA, 15.38%) being the most common. Gram-negative organisms were infrequent, with Haemophilus parainfluenzae (3.85%), Enterobacter cloacae (3.85) and Pseudomonas aeruginosa (3.08%) being the most prevalent. Of the 100 patients, 27% had polymicrobial infections, associated with trauma (6%), illicit IV use (6%) and unknown (7%) etiologies. Table 1: Baseline demographics and co-morbid conditions Table 2: Types and numbers of organisms in relation to etiologies Conclusion Within our population, the most common organisms associated with hand infections were Gram-positive, with Staphylococcus aureus and Streptococcus species being the most prevalent. Gram-negative pathogens were infrequently isolated. The results within this study can provide guidance to clinicians on assessing the appropriate empiric antibiotic regimen in patients with hand infections, and can serve as a basis for further studies identifying risk factors associated with isolation of organisms associated with hand infections. Disclosures All Authors: No reported disclosures

scholarly journals Evaluation of MicroScan Bacterial Identification Panels for Low-Resource Settings

Diagnostics ◽  
2021 ◽  
Vol 11 (2) ◽  
pp. 349
Author(s):  
Sien Ombelet ◽  
Alessandra Natale ◽  
Jean-Baptiste Ronat ◽  
Olivier Vandenberg ◽  
Liselotte Hardy ◽  
...  
Keyword(s):  
Bacterial Species ◽  
Ease Of Use ◽  
Bacterial Identification ◽  
Gram Positive ◽  
Gram Negative ◽  
Low Resource Settings ◽  
Low Resource ◽  
Bacillus Spp ◽  
Gram Negative Organisms ◽  
Instructions For Use

Bacterial identification is challenging in low-resource settings (LRS). We evaluated the MicroScan identification panels (Beckman Coulter, Brea, CA, USA) as part of Médecins Sans Frontières’ Mini-lab Project. The MicroScan Dried Overnight Positive ID Type 3 (PID3) panels for Gram-positive organisms and Dried Overnight Negative ID Type 2 (NID2) panels for Gram-negative organisms were assessed with 367 clinical isolates from LRS. Robustness was studied by inoculating Gram-negative species on the Gram-positive panel and vice versa. The ease of use of the panels and readability of the instructions for use (IFU) were evaluated. Of species represented in the MicroScan database, 94.6% (185/195) of Gram-negative and 85.9% (110/128) of Gram-positive isolates were correctly identified up to species level. Of species not represented in the database (e.g., Streptococcus suis and Bacillus spp.), 53.1% out of 49 isolates were incorrectly identified as non-related bacterial species. Testing of Gram-positive isolates on Gram-negative panels and vice versa (n = 144) resulted in incorrect identifications for 38.2% of tested isolates. The readability level of the IFU was considered too high for LRS. Inoculation of the panels was favorably evaluated, whereas the visual reading of the panels was considered error-prone. In conclusion, the accuracy of the MicroScan identification panels was excellent for Gram-negative species and good for Gram-positive species. Improvements in stability, robustness, and ease of use have been identified to assure adaptation to LRS constraints.

scholarly journals Bacterial Isolates and its Antibiotic Susceptibility Pattern in NICU

2014 ◽  
Vol 11 (1) ◽  
pp. 66-70 ◽  
Author(s):  
S Shrestha ◽  
NC Shrestha ◽  
S Dongol Singh ◽  
RPB Shrestha ◽  
S Kayestha ◽  
...  
Keyword(s):  
Intensive Care Unit ◽  
Intensive Care ◽  
Neonatal Intensive Care Unit ◽  
Neonatal Intensive Care ◽  
Bacterial Isolates ◽  
Susceptibility Pattern ◽  
Gram Positive ◽  
Antibiotic Susceptibility Pattern ◽  
Gram Negative ◽  
Nosocomial Sepsis

Background Neonatal sepsis is one of the major causes of morbidity and mortality among the newborns in the developing world. Objectives To determine the common bacterial isolates causing sepsis in neonatal intensive care unit and its antibiotic susceptibility pattern. Methods A one year discriptive prospective study was conducted in neonatal intensive care unit to analyse the results of blood culture and to look into the sensitivity of the commonly used antibiotics. Results The blood culture yield by conventional method was 44.13% with nosocomial sepsis accounting for 10.79%. 84.08% were culture proven early onset sepsis and 15.95% were late onset sepsis. Klebsiella infection was the commonest organism isolated in early, late and nosocomial sepsis but statistically not significant. Gram positive organisms were 39.36% in which Staphylococcus aureus was the leading microorganism followed by coagulase negative staphylococcus areus. Gram negative organisms were 60.64% amongst them Klebsiella was the most often encountered followed by Pseudomonas. The most common organism Klebsiella was 87.5% and 78.3% resistance to ampicillin and gentamycin respectively. Among gram negative isolates 87.5% and 77.2% were resistance to ampicillin and gentamycin respectively. Among gram positive isolates 58.5% and 31.5% resistance were noted to ampicillin and gentamycin respectively. Resistance to cefotaxim to gram negative and gram positive isolates were 87.34% and 59.35% respectively. Conclusion Klebsiella is most common organism which is almost resistance to first line antibiotics. Resistance to both gram negative and gram positive isolates among firstline antibiotics and even with cefotaxim is emerging and is a major concern in neonatal intensive care unit. DOI: http://dx.doi.org/10.3126/kumj.v11i1.11030 Kathmandu University Medical Journal Vol.11(1) 2013: 66-70

scholarly journals NEW INSIGHT ON EPIDEMIOLOGY AND MANAGEMENT OF BACTERIAL BLOODSTREAM INFECTION IN PATIENTS WITH HEMATOLOGICAL MALIGNACIES

2015 ◽  
Vol 7 ◽  
pp. e2015044 ◽  
Author(s):  
Sara Lo Menzo ◽  
Giulia La Martire ◽  
Giancarlo Ceccarelli ◽  
Mario Venditti
Keyword(s):  
Febrile Neutropenia ◽  
Bloodstream Infections ◽  
Multidrug Resistant ◽  
Empirical Treatment ◽  
Rational Approach ◽  
Attributable Mortality ◽  
Low Grade ◽  
Gram Positive ◽  
Adequate Treatment ◽  
Gram Negative

Bloodstream infections (BSI) are an important cause of morbidity and mortality in onco-hematologic patients. The Gram-negative etiology was the main responsible of the febrile neutropenia in the sixties and its impact declined due to the use of fluoroquinolone prophylaxis; this situation was followed by the gradual emergence of Gram-positive bacteria also following of the increased use of intravascular devices and the introduction of new chemotherapeutic strategies. In the last decade the Gram-negative etiology is raising again because of the emergence of resistant strains that make questionable the usefulness of currentstrategies for prophylaxis and empirical treatment. Gram-negative BSI attributable mortality is relevant and the appropriate empirical treatment significantly improves the prognosis; on the other hand the delayed adequate treatment of Gram-positive BSI does not seem to have an high impact on survival. The clinician has to be aware of the epidemiology of his institution and of colonizations of his patients in order to choose the most appropriate empiric therapy. Ina setting of high endemicity of multidrug-resistant infections, even the choice of a targeted therapy can be a challenge, often requiring strategies based on off-label prescriptions and low grade evidences.In this review we summarize the current evidences for the best targeted therapies for difficult to treat bacteria BSIs and future perspectives in this topic. We also provide a flow chart for a rational approach to the empirical treatment of febrile neutropenia in a multidrug resistant high prevalence setting.

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