A nurse is providing home care instruction to a client who will be receiving intravenous therapy at home. The nurse teaches the client that the most important action to prevent an infection at the IV site is to?

Appeared in: DHS Staff Nurse - 2018 (Shift-2nd)

Explanation

Hand hygiene is the single most effective measure to prevent healthcare-associated infections, including those at IV sites.
This is a primary prevention strategy, meaning it stops the transmission of pathogens before they can enter the body or contaminate the equipment.
The hands of the client or caregiver are the most common vehicle for transferring bacteria and other microbes to the IV catheter hub or insertion site.
Major health organizations and infusion therapy standards identify hand hygiene as the first and most critical step in infection control before any manipulation of an IV system.

Option A: Protecting the site, typically with a dressing, is important for preventing catheter dislodgement and keeping the site clean from environmental contaminants. However, it does not prevent infection introduced by contaminated hands during access or manipulation of the line.
Option B: Assessing the site for redness and edema is a crucial surveillance action for the early detection of complications like phlebitis or infection. However, this is a detection measure, not a primary preventive one. It helps manage a problem after it has begun.
Option C: Changing IV tubing at regular intervals (e.g., every 72-96 hours for continuous infusions) is a necessary maintenance task to prevent the proliferation of bacteria within the administration set. While important, it is secondary to preventing the initial introduction of microbes via contaminated hands.

Clinical Relevance

Nursing practice connection: Use the key finding related to Infection control principles in home intravenous therapy to guide bedside assessment, documentation, and the next nursing action.
Patient education is a critical nursing responsibility in home care. The nurse must ensure the patient and/or caregiver can perform fundamental safety procedures like hand hygiene correctly and consistently.
Failure to perform hand hygiene is a leading cause of Central Line-Associated Bloodstream Infections (CLABSIs), a serious and potentially fatal complication.
Empowering patients with knowledge about infection prevention makes them active participants in their own care and safety.

How to Approach the Question

First, identify the question type. It asks for the 'most important' action, which makes it a priority question.
Analyze the core concept being tested, which is the prevention of infection.
Evaluate each option based on the principles of infection control. Differentiate between actions that are primary prevention (stopping the cause), secondary prevention/detection (finding a problem early), and routine maintenance.
Option D, handwashing, is a primary prevention measure that removes pathogens.
Options A, B, and C are related to maintenance, safety, and detection, respectively. They are important but do not address the root cause of contamination as directly as hand hygiene.
Therefore, the action that provides the most fundamental and direct protection against infection is the correct answer.

Concept Tested & Keywords

Concept Tested: Infection control principles in home intravenous therapy.
Stem keywords: home care instruction, intravenous therapy, prevent infection, IV site
Lead-in keywords: most important action
Clinical cues: The setting is 'home care', which emphasizes the importance of patient education on fundamental skills.
Negative lead-in flag: false

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E6 Nursing Fundamentals Potter Perry 12e Part 5 p. 72-74

E6 Nursing Fundamentals Taylor p. 801-803

Practise the full DHS Staff Nurse - 2018 (Shift-2nd)

Attempt every question from this paper in a timed mock, then review the full solution for each one.