Needlestick and puncture wounds: definition of the problem

Area of Science:

• Occupational Health
• Epidemiology
• Infectious Disease Prevention

Background:

• Needlestick and puncture wounds are significant occupational hazards for hospital personnel.
• Understanding the epidemiology of these injuries is crucial for implementing effective prevention strategies.

Purpose of the Study:

• To determine the epidemiology of needlestick and puncture wound incidents among hospital personnel.
• To identify risk factors and inform the development of targeted training programs.

Main Methods:

• A 1979 incident questionnaire was administered to all hospital personnel who sustained needlestick or puncture wounds.
• Data collected included incident rates, causes, and personnel involved.
• Screening for hepatitis B markers (HBsAg, anti-HBs) was performed.

Main Results:

• The attack rate varied significantly across employee groups (0.8–20 incidents/100 employee years).
• Personal carelessness (55%) and accidental incidents (35%) were major contributing factors, with needles involved in 58% of cases.
• No hepatitis B surface antigen (HBsAg) positivity was found in associated patients or employees; low hepatitis B surface antibody (anti-HBs) prevalence (2/45) was observed.

Conclusions:

• Needlestick injuries are a notable occupational risk in hospitals, often due to preventable causes like carelessness.
• The study's findings support the need for in-service training for high-risk personnel to mitigate incident frequency.
• The surveillance and globulin therapy program demonstrated a cost-effectiveness of $60 per incident.