scholarly journals Neonatal Sepsis-Culture Positive Sepsis Vs Clinical Sepsis

2017 ◽  
Vol 6 (1) ◽  
pp. 1362
Author(s):  
Purbasha Ghosh ◽  
Rabindra Nath Misra ◽  
Retina Paul
Keyword(s):  
Risk Factors ◽  
Staphylococcus Aureus ◽  
Blood Culture ◽  
Neonatal Sepsis ◽  
Gold Standard ◽  
Methicillin Resistance ◽  
High Morbidity ◽  
Sepsis Screen ◽  
Culture Positive ◽  
Culture Negative

<p><strong>Background</strong>: The incidence of sepsis is increasing globally, with high morbidity and mortality. Diagnosis of neonatal sepsis is still a clinical and laboratory challenge. Though blood culture is gold standard, it sometimes gives false negative result. So, judgement of clinical condition along with various investigations is important.</p><p><strong>Objectives</strong>: To find out the risk factors associated with neonatal sepsis, to isolate&amp;amp;identify the pathogens from various clinical specimens and to find out antimicrobial susceptibility of the pathogens.</p><p><strong>Material and methods</strong>: Blood culture, sepsis screen, haematological&amp;amp;biochemical markers, cerebrospinal fluid (CSF) study, radiology, MRSA (methicillin resistance Staphylococcus aureus) surveillance were carried out in this study. Some samples were processed in BacT/ALERT-3D system (BioMerieux ) and identified by VITEK-2 (BioMerieux). Epi Info Software system was used to calculate statistics.</p><p><strong>Results</strong>: One seventy (65.9%) were culture positive and 88 (34.1%) were culture negative out of 258 clinically suspected cases. Methicillin sensitive Staphylococcus aureus (MSSA) 66 (38.82%) was the commonest organism. Among 88 culture negative cases, 38(43.2%) babies were two or more sepsis screen tests positive, 40(45.5%) culture negative babies were with risk factors and 5(5.7%) had radiological evidence of pneumonia.</p><p><strong>Conclusion</strong>: The clinical diagnosis of it remains difficult as the symptoms are nonspecific. So, blood culture is mandatory. Other diagnostic tests also help in this situation. Blood culture is still the "Gold standard" for the diagnosis of septicaemia in neonates, but culture negativity cannot exclude the sepsis as a whole.</p>

scholarly journals Clinical profile and outcome of early onset sepsis in high risk very low birth weight neonates

2018 ◽  
Vol 5 (2) ◽  
pp. 389 ◽  
Author(s):  
Omprakash S. Shukla ◽  
Aditi Rawat
Keyword(s):  
Risk Factors ◽  
Birth Weight ◽  
Blood Culture ◽  
Low Birth Weight ◽  
Neonatal Sepsis ◽  
Early Onset ◽  
Very Low Birth Weight ◽  
Gram Negative ◽  
Early Onset Sepsis ◽  
Culture Positive

Background: Neonatal sepsis is one of the main causes of mortality and morbidity, especially in very low birth weight neonates (birth weight <1499 grams) despite the progress in hygiene, introduction of new and potent antimicrobial agents for treatment and advanced measures for diagnosis. The aim of the study was to find correlation of clinical features and risk factors of neonatal sepsis in culture positive cases.Methods: A cross- sectional study was carried out in one hundred neonates with risk factors of septicemia after obtaining informed consent. Blood culture was done using Bactec Peds Plus/F Culture as a gold standard to diagnose septicaemia. Correlation of  risk factors, clinical features with laboratory findings was obtained by using chi-square test. p-value of less than 0.05 was considered as significant.Results: Out of 100 neonates with suspected sepsis, BACTEC culture proven sepsis was seen in 40% cases. Gram negative sepsis was seen in 62.5% cases. The most common bacteria for early onset sepsis were Klebsiella, Pseudomonas and MRSA contributing 17% each to the bacteriological profile. The most common predisposing factor and clinical feature in culture positive cases were Premature rupture of membrane >24 hours (67%) and bleeding/petechia/pupura (72%) respectively. The major cause of mortality was pulmonary hemorrhage.Conclusions: Gram negative organism were more common and associated with higher mortality. Blood culture positivity increases with increase in number of risk factors in neonatal septicemia. A detailed history and thorough clinical examination is vital for early recognition of sepsis. 

scholarly journals Neonatal Sepsis: A Profile of a Changing Spectrum

2015 ◽  
Vol 34 (3) ◽  
pp. 207-214
Author(s):  
K Venkatnarayan ◽  
PK Bej ◽  
RK Thapar
Keyword(s):  
Risk Factors ◽  
Staphylococcus Aureus ◽  
Clinical Diagnosis ◽  
Neonatal Sepsis ◽  
Predictive Value ◽  
Maternal Risk Factors ◽  
Maternal Risk ◽  
Clinical Criteria ◽  
Common Organism ◽  
Sepsis Screen

Introduction: The clinical features of neonatal sepsis are protean and are based on variety of clinical, demographic and laboratory profile of suspected cases. Objectives: To describe the aforementioned profiles in neonates presenting with clinically suspected sepsis based on pre-defined clinical criteria. Material and Methods: Design: Cross-Sectional Study; Setting: Level-2 NICU, Tertiary Care Hospital; Duration: Jan 2011 to Jul 2012. Subjects: 50 consecutive neonates presenting with any of the predefined clinical criteria were assessed for presence of maternal risk factors and studied with respect to: Gestational age, sepsis screen, clinical profile and antibiotic sensitivity of the organisms cultured. Results: Out of the fifty neonates, 38 (76%) were early onset sepsis. The sepsis screen showed an overall sensitivity of 73%, specificity of 54%; with a positive predictive value of 41% and a negative predictive value of 83%. The most common organism cultured was Staphylococcus aureus followed by E Coli, Pseudomonas, Coagulase Negative Staphylococcus and Group B Streptococcus. Ampicillin and Amikacin fared better than Cefotaxime and Gentamicin for Gram positive and Gram negative organisms, respectively. Overall, 37 babies responded to first line antibiotics and 11 required a change of antibiotics. One required addition of inotropes and two of the neonates died. Conclusion: A clinical diagnosis of sepsis based on predefined clinical criteria along with maternal risk factors, over- treated 27 babies (71%) with EONS and 8 babies (66.6%) with LONS. However, such a clinical diagnosis was supported by a septic screen almost twice as frequently (50% Vs 26.3%) in LONS. Staphylococcus aureus was the most common organism isolated. J Nepal Paediatr Soc 2014;34(3):207-214 DOI: http://dx.doi.org/10.3126/jnps.v34i3.11236  

scholarly journals Haematological Parameters in Neonatal Sepsis in a Tertiary Care Centre Study

2021 ◽  
Vol 8 (13) ◽  
pp. 751-754
Author(s):  
Pruthvi D ◽  
Pavan Ramarao Kulkarni ◽  
Uma Raghavendra Jamkhandi ◽  
Shivakumar Sanganagouda Inamdar
Keyword(s):  
Blood Culture ◽  
Absolute Neutrophil Count ◽  
Neutrophil Count ◽  
Neonatal Sepsis ◽  
C Reactive Protein ◽  
Reactive Protein ◽  
Neonatal Septicaemia ◽  
Sepsis Screen ◽  
Sensitivity Specificity ◽  
Culture Positive

BACKGROUND Neonatal septicaemia is a bacterial infection with positive blood culture in first four weeks of life. The early sepsis screen is vital as it detects earlier and benefits the clinician to treat the infection reducing neonatal mortality and morbidity. We wanted to evaluate various haematological screening parameters and C-reactive protein (CRP) in blood culture positive neonates in sepsis. METHODS This prospective study was conducted for a period of one year. Blood samples from hundred clinically suspected neonatal septicaemia cases were subjected to aerobic culture and sepsis screen tests like C-reactive protein, erythrocyte sedimentation ratio (ESR), total WBC count, absolute neutrophil count, immature / total neutrophil count (I / T) ratio and platelet count. The culture results were correlated with the sepsis screen tests. RESULTS Of the hundred cases studied, 18 % were blood culture positive and 66 % were males. Early onset septicaemia was more common, seen in 64 % of cases than late onset septicaemia (26 %) cases. Staphylococcus aureus was the commonest organism isolated in 38.46 % of cases followed by Klebsiella pneumoniae & E. Coli. Among the haematological parameters, the positivity was best with Creactive protein (94.44 %) followed by immature & mature neutrophil ratio (I / M) (94.44 %), I / T ratio (88.88 %) and the least with absolute neutrophil count (66.0 %). Any two or more parameters were positive in 94.44 % of the subjects. CONCLUSIONS Sepsis screen has good sensitivity, specificity and is a valuable aid for early diagnosis of neonatal septicaemia. Sepsis screen is simple, cost effective, less time consuming and easy to perform. As an individual test C-reactive protein has shown highest sensitivity, specificity and is a sensitive and responsive indicator of neonatal sepsis. KEYWORDS Blood Culture, Neonatal Septicaemia, Sepsis Screen

scholarly journals Comparison between sepsis markers and blood culture in diagnosis of neonatal sepsis: a prospective study

2017 ◽  
Vol 5 (4) ◽  
pp. 1662
Author(s):  
Vijay Baburao Sonawane ◽  
Nitin Mehkarkar ◽  
Sonali Gaikwad ◽  
Nitin Kadam
Keyword(s):  
Blood Culture ◽  
Neonatal Sepsis ◽  
Gold Standard ◽  
Predictive Accuracy ◽  
Statistical Correlation ◽  
Diagnostic Process ◽  
Mortality And Morbidity ◽  
Sepsis Screen ◽  
A Prospective Study ◽  
Sepsis Detection

Background: Neonatal septicaemia is one of the commonest causes of neonatal mortality and morbidity. Accurate and timely diagnosis of neonatal sepsis remains a major challenge to the pediatricians and neonatologists. In the present study, correlation between sepsis screening and blood culture in neonate presenting with features of sepsis is done to accelerate the diagnostic process and blood culture (considered gold standard) was evaluated as marker for sepsis detection and its effectiveness was compared with other septic markers.Methods: In present study, we emphasize to study early indicators of sepsis screen and their statistical correlation with blood culture (considered as gold standard).Results: As any sepsis screen parameters showed little correlation with blood culture, yet on combination it was found that specificity and positive predictive accuracy increased while sensitivity decreased them individual tests. Also combination of tests yield better results than single tests.Conclusions: The combination of sepsis makers yielded diagnostic results than single tests and proved to be an invaluable aid for early diagnosis of neonatal sepsis.

scholarly journals Evaluation of screening of neonatal sepsis

2018 ◽  
Vol 5 (2) ◽  
pp. 580
Author(s):  
Kartik R. ◽  
Sahana Manjunath ◽  
Prathiba Doddabasappa ◽  
Malavika J.
Keyword(s):  
Blood Culture ◽  
Early Diagnosis ◽  
Sensitivity And Specificity ◽  
Neonatal Sepsis ◽  
Maximum Sensitivity ◽  
Total Leucocyte Count ◽  
Mortality And Morbidity ◽  
Protein Assay ◽  
Sepsis Screen ◽  
Culture Negative

Background: Neonatal sepsis is an important cause of neonatal mortality and morbidity. Early diagnosis of sepsis is difficult due to its non- specific clinical presentation. The gold standard for diagnosis is blood culture, which is obtained in only 25%-40% of cases and requires 48-72 hours. There is a need for a sepsis screen for early diagnosis of septicemia and identification of culture negative cases. The objective of the study was to study the role of sepsis for early diagnosis of septicaemia and identification of culture negative cases and to compare the rapid diagnostic tests with blood culture singly and in combinations for specificity and sensitivity.Methods: 60 cases of suspected septicemia were studied. Total leucocyte count, bandforms peripheral smear examination, C-reactive protein assay, micro-ESR, and blood culture study was investigated. Results: Study revealed that CRP had maximum sensitivity while band neutrophil ratio had balanced sensitivity and specificity. In the two tests, CRP with PS/BF had balanced sensitivity and specificity. In the three tests combination, CRP with TC with micro-ESR had balanced sensitivity and specificity in proven sepsis, While CRP with BF with micro-ESR had balanced sensitivity and specificity in most probable sepsis cases.Conclusions: Neonatal sepsis has vague signs and symptoms, so high index of suspicion helps in arriving early diagnosis and management. CRP had maximum sensitivity in the individual tests. Using either two tests (CRP + PS/BF) or three tests (CRP + Micro ESR + BF/TC) most of the sepsis cases could be identified and sepsis negative cases can be ruled out. Sepsis screen is helpful in avoiding overuse of antibiotics.

scholarly journals Study of the immediate clinical outcome of neonatal sepsis in the neonatal I.C.U. of a tertiary care hospital

2017 ◽  
Vol 4 (4) ◽  
pp. 1401
Author(s):  
Mohamed Reshad ◽  
Tania Mundol ◽  
Mithun H. K. ◽  
Anitha S. Prabhu
Keyword(s):  
Staphylococcus Aureus ◽  
Blood Culture ◽  
Neonatal Sepsis ◽  
Tertiary Care ◽  
Coagulase Negative Staphylococcus ◽  
Care Hospital ◽  
College Hospital ◽  
Neonatal Deaths ◽  
The Status ◽  
Culture Positive

Background: According to the status of newborns report 2014, about 0.76 million neonatal deaths occur in India, the highest for any country in the world. Although the neonatal mortality rate (NMR) has declined in the last 2 decades, the early NMR has been the slowest to decline. The three major causes of neonatal deaths are preterm birth complications, infections, and intrapartum related complications; together, they contribute to nearly 90% of total neonatal deaths. The aim of the study was to study the immediate clinical outcomes of culture proven neonatal sepsis in the NICU of Yenepoya Medical College Hospital during the period January 2016 to June 2016.Methods: Retrospective hospital based study of records of all neonates admitted to the NICU with blood culture positive neonatal sepsis from January 2016 till June 2016. Blood cultures were done using the BACTEC 460. Data analysed using SPSS version 20.Results: A diagnosis of probable sepsis was made in 84 (54%) of the total neonates (154) admitted to the NICU during the study period of which 6 were out born babies. Culture positive sepsis was found in 11.6% (18).  The most commonly isolated organisms were Escherichia coli, Enterococcus and coagulase negative Staphylococcus aureus. Of the total 18 culture positive cases, urine culture was positive in only 2 cases while the remaining had a positive blood culture. Among the 18 cases of culture positive neonatal sepsis, 8 died while 10 survived.Conclusions: Incidence of neonatal sepsis was relatively high in YMCH with the most predominant organism being coagulase negative Staphylococcus aureus. 12.7% of the sepsis cases died. Resistance to cefotaxime and ampicillin was prevalent. 

scholarly journals Culture-negative versus culture-positive in pyogenic spondylitis and analysis of risk factors for relapse

2021 ◽  
pp. 1-5
Author(s):  
Guohua Dai ◽  
Shuzhong Li ◽  
Chuqiang Yin ◽  
Yuanliang Sun ◽  
Jianwen Hou ◽  
...  
Keyword(s):  
Risk Factors ◽  
Pyogenic Spondylitis ◽  
Culture Positive ◽  
Culture Negative

scholarly journals Methicillin-resistant Staphylococcus aureus bloodstream infection: risk factors and clinical outcome in non-intensive-care units

2012 ◽  
Vol 45 (2) ◽  
pp. 189-193 ◽  
Author(s):  
Karinne Spirandelli Carvalho Naves ◽  
Natália Vaz da Trindade ◽  
Paulo Pinto Gontijo Filho
Keyword(s):  
Risk Factors ◽  
Staphylococcus Aureus ◽  
Bloodstream Infection ◽  
Antimicrobial Agents ◽  
Methicillin Resistant Staphylococcus Aureus ◽  
Methicillin Resistance ◽  
Diffusion Method ◽  
Disk Diffusion Method ◽  
Methicillin Resistant ◽  
Staphylococcus Aureus Bloodstream Infection

INTRODUCTION: Methicillin-resistant Staphylococcus aureus (MRSA) is spread out in hospitals across different regions of the world and is regarded as the major agent of nosocomial infections, causing infections such as skin and soft tissue pneumonia and sepsis. The aim of this study was to identify risk factors for methicillin-resistance in Staphylococcus aureus bloodstream infection (BSI) and the predictive factors for death. METHODS: A retrospective cohort of fifty-one patients presenting bacteraemia due to S. aureus between September 2006 and September 2008 was analysed. Staphylococcu aureus samples were obtained from blood cultures performed by clinical hospital microbiology laboratory from the Uberlândia Federal University. Methicillinresistance was determined by growth on oxacillin screen agar and antimicrobial susceptibility by means of the disk diffusion method. RESULTS: We found similar numbers of MRSA (56.8%) and methicillin-susceptible Staphylococcus aureus (MSSA) (43.2%) infections, and the overall hospital mortality ratio was 47%, predominantly in MRSA group (70.8% vs. 29.2%) (p=0.05). Age (p=0.02) was significantly higher in MRSA patients as also was the use of central venous catheter (p=0.02). The use of two or more antimicrobial agents (p=0.03) and the length of hospital stay prior to bacteraemia superior to seven days (p=0.006) were associated with mortality. High odds ratio value was observed in cardiopathy as comorbidity. CONCLUSIONS: Despite several risk factors associated with MRSA and MSSA infection, the use of two or more antimicrobial agents was the unique independent variable associated with mortality.

scholarly journals Clinical and Bacteriological Profile of Early Onset Neonatal Sepsis Admitted in NICU of Tertiary Hospital in Biratnagar

2018 ◽  
Vol 3 (1) ◽  
pp. 370-376
Author(s):  
Arun Giri ◽  
Vijay Kumar Sah ◽  
Bikash Sharma Poudel ◽  
Niraj Niraula ◽  
Raju Sedai
Keyword(s):  
Escherichia Coli ◽  
Staphylococcus Aureus ◽  
Blood Culture ◽  
Neonatal Sepsis ◽  
Early Onset ◽  
Clinical Signs ◽  
Signs And Symptoms ◽  
Coagulase Negative Staphylococcus ◽  
Sensitivity Pattern ◽  
Clinical Signs And Symptoms

Introduction: Neonatal sepsis is one of the major causes of neonatal morbidity and mortality especially in developing countries. The clinical signs and symptoms of neonatal sepsis are non specific and blood culture report is considered gold standard for confirmation of neonatal sepsis. Organisms and their sensitivity pattern vary from place to place. The confirmation of diagnosis and management of neonatal sepsis is challenging and time consuming.Objective: The aim of this study was to find incidence of blood culture proven sepsis in suspected early onset neonatal sepsis, find out sensitivity pattern of isolated organism and to find association of risk factors and clinical signs and symptoms with blood culture proven sepsis.Methodology: Prospective study was conducted in Nobel Medical College, Biratnagar from November 2016 to November 2017. Sample size was calculated to be 300 and blood culture was sent of each neonates admitted with suspected early onset neonatal sepsis before giving neonates with first dose of antibiotics and report of 72 hours was taken into consideration.Results: Out of 300 cases of suspected early onset neonatal sepsis 70.3% presented with lethargy, followed by other symptoms like poor feeding, respiratory distress, fever, hypothermia, feeding intolerance, abnormal body movement and abdominal distension. Low birth weight neonates, preterm neonates, prolonged duration of per vaginal leaking and low platelets count were significantly associated with blood culture proven sepsis in this study. Incidence of blood culture positive sepsis in suspected early onset neonatal sepsis was 27%. Coagulase negative Staphylococcus aureus(21%) was predominant organism isolated followed by Klebsiella Pneumonia, Pseudomonas, Escherichia coli. All of the isolated Klebsiella and Pseudomonas and 86% of Escherichia coli were found to be resistant to ampicillin. All isolated Coagulase negative Staphylococcus aureus were sensitive to vancomycin.Conclusion: Coagulase negative Staphyloccus aureus was predominant organism detected but majority of organisms were gram negative organisms. High resistance to ampicillin was found and cefotaxime was also less sensitive to isolated organism. Vancomycin was found to be sensitive to all isolated Staphylococcus aureus and coagulase negative Staphylococcus aureus. Amikacin was highly sensitive among causative organisms isolated. BJHS 2018;3(1)5 : 370-376

scholarly journals Susceptibility Pattern of Pathogens Causing Blood Stream Infections in a Tertiary Care Hospital: A Two-year Retrospective Study from Southern Nigeria

2021 ◽  
pp. 53-60
Author(s):  
Bassey Ewa Ekeng ◽  
Ubleni Ettah Emanghe ◽  
Bernard Ekpan Monjol ◽  
Anthony Achizie Iwuafor ◽  
Ernest Afu Ochang ◽  
...  
Keyword(s):  
Staphylococcus Aureus ◽  
Blood Culture ◽  
Blood Stream ◽  
Multidrug Resistant ◽  
Diffusion Method ◽  
Disc Diffusion ◽  
Blood Stream Infections ◽  
Gram Negative ◽  
Antimicrobial Sensitivity ◽  
Culture Positive

Aim: Bloodstream infections are a major cause of morbidity and mortality worldwide. The prevalence of causative microorganisms varies from one geographical region to another. This study was aimed at determining the etiological agents prevalent in our environment and their susceptibility profile. Study design: This is a retrospective study carried out at the University of Calabar Teaching Hospital, Calabar, Nigeria. Methodology: Blood culture results of patients documented over a two-year period were retrieved and analyzed. Blood culture positive isolates were detected using conventional method and Oxoid signal blood culture systems. Antimicrobial sensitivity tests were carried out by Kirby-Bauer disc diffusion method. Methicillin resistance in Staphylococcus aureus and coagulase negative Staphylococcus species (CoNS) was detected by disk diffusion method using 30 µg cefoxitin disk. ESBL production was detected by phenotypic confirmatory disc diffusion test (PCDDT) and the double disc synergy test (DDST). Results: A total of 413 blood culture antimicrobial susceptibility test results were analyzed, of which 116 (28.09%) were identified as culture positive. Sixty-nine (59%) of the positive isolates were from female patients. Out of 116 positive cultures, 58.62% (68/116) were Gram positive organisms, 40.52% (47/116) were Gram negative organisms, non albicans Candida accounted for 0.86% (1/116).  Staphylococcus aureus (n=41, 35.3%) was the predominant isolate and showed high sensitivity to levofloxacin (100%), Linezolid (100%) and Amikacin (100%). Twelve isolates of S. aureus were methicillin resistant, while 1 isolate was inducible clindamycin resistant. Of the 116 isolates identified in this study, forty-three (43) were multidrug resistant with highest number of multidrug resistant isolates from Staphylococcus aureus (n=20). 21.28% (n=10) of the Gram-negative isolates were positive for extended spectrum beta lactamases. Conclusion: A high rate of antimicrobial resistance is observed among microorganisms causing blood stream infections. This emphasizes the need for antimicrobial sensitivity testing in the management of blood stream infections.

Sign in / Sign up

Export Citation Format

Share Document