CHAPTER:1 HOSPITAL PHARMACOEPIDEMIOLOGY1. HOSPITAL . PHARMACOEPIDEMIOLOGY. 1. BY. Mrs. K.SHAILAJA.,...
Transcript of CHAPTER:1 HOSPITAL PHARMACOEPIDEMIOLOGY1. HOSPITAL . PHARMACOEPIDEMIOLOGY. 1. BY. Mrs. K.SHAILAJA.,...
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CHAPTER:1HOSPITAL
PHARMACOEPIDEMIOLOGY
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BYMrs. K.SHAILAJA., M. PHARM.,LECTURERDEPT OF PHARMACY PRACTICE,SRM COLLEGE OF PHARMACY
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Pre 1800: Early efforts at wound prophylaxis
1800-1940: Nightingale, Semmelweis, Lister, Pasteur
1940-1960: Antibiotic era begins, Staph. aureus nursery outbreaks, hygienefocus
1960-1970’s: Documenting need for infection control programs, surveillancebegins
1980’s: focus on patient care practices, intensive care units, resistantorganisms, HIV
1990’s: Hospital Epidemiology = Infection control, quality improvement andeconomics
2000’s: ??Healthcare system epidemiology
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The fundamental roles of hospital epidemiology are
to:
◦ Identify risks
◦ Understand risks
◦ Eliminate or minimize risks
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Hospitals are complex institutions where patients go to have
their health problem diagnosed and treated. But, hospitals and
medical/surgical interventions introduce risks that may harm a
patient’s health
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Make a hospital safe
Prevent harm to the patient and employees
initial focus on infectious diseases
increasingly all adverse (harmful) events are targets
Improve hospital efficiency
Eliminate unnecessary costs
Eliminate wasteful practices
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Identify risks to patient’s health
Find nosocomial infections
surveillance
Identify and study risk factors for nosocomial infection
understand epidemiologic principles and methods
case-control and cohort studies, bias, confounding
understand nosocomial pathogens
what is it about hospitalization that increases risk?
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Eliminate or minimize risks to a patient’s health
Organize care to minimize risk
Eliminate risk factors
Work around risk factors
Develop improved policies and procedures
Educate physicians and nurses regarding risks
Study risk factors to learn more about them and how to eliminate them
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Surveillance of nosocomial infections
Outbreak investigation
Develop written policies for isolation ofpatients
Development of written policies to reduce riskfrom patient care practices
Cooperation with occupational health
Cooperation with quality improvement program
Education of hospital staff on
infection control
Ongoing review of all aseptic,
isolation and sanitation techniques
Monitoring of antibiotic utilization
Monitoring of antibiotic resistant
organisms
Eliminate wasteful or unnecessary
practices
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Accreditation mandates: Must meet for accreditation (example inUSA: JCAHO)
Infection Control ProgramInfection Control CommitteeAuthority statement
OSHA mandates: Safety regulations
Infection Control Department reports to Hospital Administration,not Medicine/Surgery or Nursing
Enhanced authority through cooperation, mutual respect, andshared goal of improving patient outcome
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Requires cooperation, understanding and support of hospital
administration and medical/surgical/nursing leadership
There is no simple formula:
◦ Every hospital is different
◦ Every hospital’s problems are different
◦ Every hospital’s personnel are different
The hospital must develop its own unique program
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One full time infection control practitioner per 250 beds
optimal ratio may be different
A physician with training and expertise in infection control
Surveillance and feedback of rates to clinicians
Control activities (interventions, policies, training)
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Main elements
Develop an effective surveillance system
Establish policies and regulations to reduce risks
Develop with clinicians (physicians and nurses)
Develop and maintain a program of continuing education for
hospital personnel
Use scientific (epidemiologic) method to study problems and
test hypotheses
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Additional elements of an effective program
Antibiotic monitoring and control
Microbiologic laboratory liaison
Antibiotic susceptibility data dissemination
Occupational health
Provide resource to other departments for quality
improvement study design and data analysis
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Advisory
Review ideas from infection control team
Review surveillance data
Expert resource
Help understand hospital systems and policies
Decision making
Review and approve policies and surveillance plans
Policies binding throughout hospital
Education
Help disseminate information and influence others
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AgeObesityMalnutrition (low albumin)DiabetesSteroids/immunosuppressionProlonged pre-op hospitalization
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Infection at another siteProlonged procedureDrainsUrgency of surgeryForeign bodySkill of surgeon
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Team collaborationStaff educationCommunication
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Skin shaved the night before surgeryInappropriate peri-op antibiotic prophylaxisInstruments used for dressing changes submerged disinfectantLarge containers of antiseptics, no routine for cleaning and refilling
Eliminate shaving of skin the night before surgerySingle dose peri-op antibiotic prophylaxis guidelinesUse individual sterile packs of wound care instrumentsUse small containers of antiseptics; clean and dry containers before refilling
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RecommendationProblem Area
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A. Institutional support
◦ Infection control as a department
◦ Placement in the organization
◦ Authority
◦ Personnel
◦ Other resources
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B. Infection control committee
◦ membership
◦ support by the medical staff
◦ participation by other disciplines
◦ annual planning
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C. Infection Control Program◦ quality assessment ◦ information for clinicians◦ educational/informational resource◦ surveillance data◦ outbreak investigation◦ assurance of appropriate asepsis, sterilization,
disinfection◦ minimize risk from invasive procedures/devices◦ use of isolation◦ occupational health
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