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AMR Surveillance: Aga Khan University Hospital (AKUH) Experience Dr. Mutuku Makau Prof Gunturu Revathi Microbiology Division Department of Pathology Aga Khan University Hospital (Nairobi) 6 th August 2009

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Page 1: AMR: Aga Khan University Hospital Experience Surveillance: Aga Khan University Hospital (AKUH) Experience Dr. Mutuku Makau Prof Gunturu Revathi Microbiology Division Department of

AMR Surveillance: Aga Khan University Hospital (AKUH) 

Experience

Dr. Mutuku MakauProf Gunturu RevathiMicrobiology Division

Department of PathologyAga Khan University Hospital (Nairobi)

6th August 2009

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Page 2: AMR: Aga Khan University Hospital Experience Surveillance: Aga Khan University Hospital (AKUH) Experience Dr. Mutuku Makau Prof Gunturu Revathi Microbiology Division Department of

Objective

Page 3: AMR: Aga Khan University Hospital Experience Surveillance: Aga Khan University Hospital (AKUH) Experience Dr. Mutuku Makau Prof Gunturu Revathi Microbiology Division Department of

Background

• AKUH: Tertiary referral teaching hospital

• Transited recently from a private hospital to a university hospital

• Hospital Plan: Cardiology and Oncology Center

Page 4: AMR: Aga Khan University Hospital Experience Surveillance: Aga Khan University Hospital (AKUH) Experience Dr. Mutuku Makau Prof Gunturu Revathi Microbiology Division Department of

Aim

• Optimize the use of antimicrobials and assist in the prevention, control and containment of antimicrobial resistance by:

• defining/updating guidelines for empirical (syndromic) treatment and standard treatment guidelines

• Reassessing the drug formulary

• Identifying need for the implementation of infection control measures

• Monitor impact of interventions

Page 5: AMR: Aga Khan University Hospital Experience Surveillance: Aga Khan University Hospital (AKUH) Experience Dr. Mutuku Makau Prof Gunturu Revathi Microbiology Division Department of

Surveillance System and Studies

• Surveillance System– Continuous passive surveillance, organism based

– Department of Microbiology (Laboratory)

– Infection Control Team

• Surveillance studies:– Faculty/ Residents/ Visiting Individuals

Page 6: AMR: Aga Khan University Hospital Experience Surveillance: Aga Khan University Hospital (AKUH) Experience Dr. Mutuku Makau Prof Gunturu Revathi Microbiology Division Department of

Data Sources

• Patients’ specimens: Determined by physician

• High risk area surveillance– Patients and Environments :ICU, NICU, Surgical wards, Theatres

– Patients transferred from other institutions

• Satellite Laboratories: (Potential for wider surveillance)

Page 7: AMR: Aga Khan University Hospital Experience Surveillance: Aga Khan University Hospital (AKUH) Experience Dr. Mutuku Makau Prof Gunturu Revathi Microbiology Division Department of

Standardization and Quality of Susceptibility Testing

• Quality Control Manager:

– Fulltime employee to ensure quality in the whole lab

• Internal Quality Control:

– Continuous training, Range of control strains e.t.c

• External Quality Control: NEQAS

– independent assessment of performance 

• Accreditation??

– South African National Accreditation System (SANAS): ISO/IEC 17025

Page 8: AMR: Aga Khan University Hospital Experience Surveillance: Aga Khan University Hospital (AKUH) Experience Dr. Mutuku Makau Prof Gunturu Revathi Microbiology Division Department of

Susceptibility Testing Methods

• Disc Diffusion Method(S): Done Routinely on most cultures

• E‐Test: Occasionally, e.g ongoing Streptococcus pneumoniae  surveillance study. 

Page 9: AMR: Aga Khan University Hospital Experience Surveillance: Aga Khan University Hospital (AKUH) Experience Dr. Mutuku Makau Prof Gunturu Revathi Microbiology Division Department of

Data variables for Surveillance

• Yes:– Patient IDs

– Unit ID

– All Isolates

– Resistance or Sensitive

– Isolate Source

• No:– Quantitative Data (diameters)

Page 10: AMR: Aga Khan University Hospital Experience Surveillance: Aga Khan University Hospital (AKUH) Experience Dr. Mutuku Makau Prof Gunturu Revathi Microbiology Division Department of

Information Management System

• Hospitals/Lab information management system:– C.A.R.E 2000 (Symphony Global Technologies PLC, UK )

• Advantages: Networked, Quick Feedback on individual patients

• Disadvantages: Difficult trend data retrieval

• Microbiology Surveillance Data Collection has required its own database

Page 11: AMR: Aga Khan University Hospital Experience Surveillance: Aga Khan University Hospital (AKUH) Experience Dr. Mutuku Makau Prof Gunturu Revathi Microbiology Division Department of

Microbiology Surveillance Data Collection

• WHONET Experience:– Introduced

– Individuals involved in data entry found it difficult to use, less and less entries made…

• Currently:– Data Entered Directly into spreadsheets Excel (Microsoft®) 

– Timely retrieval of DATA from C.A.R.E difficult

Page 12: AMR: Aga Khan University Hospital Experience Surveillance: Aga Khan University Hospital (AKUH) Experience Dr. Mutuku Makau Prof Gunturu Revathi Microbiology Division Department of

• Tomorrow:– Currently developing a database system:

• Protocol to collect SOME data accurately and not ALL data. 

• Friendly  GUI

• Match Data Collection forms

• Have a similar coding system to WHONET

• Able to identify duplicates

• Timing of specimen collection >/< 48hrs of admission

– Incorporation of clinical/pharmacy data on antimicrobial use

Page 13: AMR: Aga Khan University Hospital Experience Surveillance: Aga Khan University Hospital (AKUH) Experience Dr. Mutuku Makau Prof Gunturu Revathi Microbiology Division Department of

Challenges/ limitations

• Samples are random and dictated by physician choice

• Lack of clinical information 

• Standardized sample collection

• Quality Control

• Duplicates or multiple isolates

• Quantitative data: detection only of broad trends

Page 14: AMR: Aga Khan University Hospital Experience Surveillance: Aga Khan University Hospital (AKUH) Experience Dr. Mutuku Makau Prof Gunturu Revathi Microbiology Division Department of

Effect of limitations

• Very likely overestimated prevalence?

• Impacting on hospital policy made difficult

• Decision thresholds: Not developed and written down as SOPC

Page 15: AMR: Aga Khan University Hospital Experience Surveillance: Aga Khan University Hospital (AKUH) Experience Dr. Mutuku Makau Prof Gunturu Revathi Microbiology Division Department of

Quenching our thirst for antibiotics?

Page 16: AMR: Aga Khan University Hospital Experience Surveillance: Aga Khan University Hospital (AKUH) Experience Dr. Mutuku Makau Prof Gunturu Revathi Microbiology Division Department of

Some Results from AMR surveillance

Page 17: AMR: Aga Khan University Hospital Experience Surveillance: Aga Khan University Hospital (AKUH) Experience Dr. Mutuku Makau Prof Gunturu Revathi Microbiology Division Department of

The Portrait

Page 18: AMR: Aga Khan University Hospital Experience Surveillance: Aga Khan University Hospital (AKUH) Experience Dr. Mutuku Makau Prof Gunturu Revathi Microbiology Division Department of

Thank you…