outcome studies: neonatal sepsis: methodology · 2020. 11. 15. · neonatal sepsis: methodology dr...
TRANSCRIPT
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Outcome studies: Neonatal Sepsis:
Methodology
Dr C.Wattal
Chairman
Dept of Clinical Microbiology & Immunology
Sir Ganga Ram Hospital
New Delhi
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Methodology
• Blood culture reports death/ LOS/ cost of hospital stay as an outcome of babies with culture positive sepsis was reviewed from Jan to Dec 2010 to have an indirect evidence for attributable mortality in neonatal sepsis due to MDRO
• Use of HIS
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Hospital Informatics
LIS Server
Hospital
Information
system Infection Control
Pharmacy
CONNECTIVITY
WORKFLOW WORKFLOW
INFORMATION
MANAGEMENT
PREVI Isola™ BacT/ALERT®
VITEK® 2
VITEK® 2
VITEK® 2
Vitek-MS
Purchase
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Laboratory
Connected LIS
INSTRUMENTS
INTERPHASE
Doctors computer
E-Validation
Connected HIS
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Cummulative Results
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Bacteriology report
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Treatment
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Total data: the sum of … hardware, software, people, procedures
and data
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Patient Demographics (n=59,Culture proven sepsis)
Parameter Number
Intramural/ Extramural 21/38
<37 Wks/ >37 wks 45/14
Female/ Male 13/46
<1 Kg 8
1-1.499 Kg 20
>1.5 Kg 31
Early Onset / Late Onset Sepsis 11 /48
Mortality 20 (33.8%)
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Results
• A total of 879 babies were admitted to the NICU during the period of study, of whom 618 were intramural and 261 were extramural.
• Of the 426 samples received for culture from neonates with clinically suspected sepsis, 59 (13.8%) were positive.
• The proportion of culture proven sepsis for intramural babies and extramural babies was 3.4% and 14.1%, respectively.
• Majority of the preterm male (76.2%) babies developed sepsis (76.2%) .
• Mortality rate was 33.8% in blood culture positive neonates.
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Aetiology of Neonatal Sepsis
Organism Value
Enteric Gram negative Bacilli 20
Klebsiella pneumoniae 12
Escherichia coli 5
Enterobacter cloacae 2
Serratia marcescens 1
NonFermenting Gram Negative Bacilli
(NFGNB) 12
Acinetobacter spp. 7
Other NFGNB 5
Gram positive 14
Yeast 17
Total 63
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Outcomes: MDROs v/s Sensitive isolates: Mortality
(n=20)
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Outcomes: MDROs v/s Sensitive isolates: LOS
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Outcomes: MDROs v/s Sensitive isolates: Healthcare cost
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MDROs outcomes
Birth wt. (Total nmber)
Parameter (N) Deaths (%) LOS (days) Average Cost of hospital
stay (Rs.)
<1 Kg (8)
MDROs (3) 2 (66.6) 46.66 7,34,798.3
Sensitive isolates (5)
3 (60) 25.8 2,50,558.2
1-1.499 Kg (20)
MDROs (10) 6 (60) 31.9 2,73,352.9
Sensitive isolates (10)
2 (20) 27.6 1,76,453.9
>1.5 Kg (31)
MDROs (7) 3 (42.8) 13.4 4,07,786.7
Sensitive isolates (24)
4 (16.6) 16.8 1,67,741.5
Overall (59)
MDROs (20) 11 (55) 27.65 4,99,841.3
Sensitive isolates (39)
9 (23.07) 20.76 1,80,592.9
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Confounding factors
• Outcomes: apart from isolation of MDROs
– Severity of illness
– Pt. specific risk factors (surgery, etc)
– Associated co-morbidities
• Well designed case controlled prospective studies for determination of attributable mortality due to MDRO
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Hospital level Resistance: Collection of data & Analysis
• Antibiogram���
Report generated by analysis of isolates from a particular
institution in a defined period of time that reflects the
percentage susceptibility to each of the antimicrobial agents
routinely tested
• Antimicrobial Consumption
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Tools available for Data collection & Analysis
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Available softwares:
• WHONET
• Viziguard
• Myela
SGRH
• TrakHealth
• Speedminer
• Protech
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Antibiotic sensitivity data- speedminer (SGRH)
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Blood
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Total Total
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Distribution of Data
• Prescribers, Infection Control, pharmacists & microbiology personnel
• Format
– Pocket guides
– Laminated cards
– Website – intranet / internet
– Printed newsletters
CLSI M39-A2
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SGRH ABG & USE- Newsletter
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Stratification of data
• Location: • OPD, WARD, ICU
• Specimen type • Blood, urine, respiratory tract, pus and fluids
• Organism type • GPC • GNB
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Microbiology
Newsletter SGRH
ü Online from May 2002
http://www.sgrh.com
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SGRH is publishing microbiology newsletter since: 1995 1998: Manual software (Foxpro)
Manual data entry, retrieval, calculations > 2000 sheets of paper
> 1000 manhours Chances of error in entry, retrieval and calculation
2008: Speedminer
Data entry and retrieval automated, manual calculation Electronic data: No paper 50 manhours to compile the data Manual calculations of data Chances of error due to calculations
2010: SGRH Protech software –
No paper 0 manhours Data entry and retrieval automated No errors
OUR JOURNEY WITH TOOLS FOR MONITORING AMR & USE
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Thank you