A 65-year-old client with a history of chronic obstructive p… | 마이메르시 MyMerci
Adult Health
문제

A 65-year-old client with a history of chronic obstructive pulmonary disease (COPD) is scheduled to receive the pneumococcal polysaccharide vaccine (PPSV23). Which nursing action is most important before administering this vaccine?

해설
Verifying vaccination history and contraindications is most important to ensure safe administration and prevent adverse reactions. Other actions like checking medications, assessing vital signs, or reviewing allergies are also important but secondary to this comprehensive safety check.

심화 해설

Core Nursing Explanation Key Concept Analysis: This question tests the critical safety step before administering any vaccine, specifically the Pneumococcal polysaccharide vaccine (PPSV23). The core principle is preventing harm by ensuring the patient is an appropriate candidate for the vaccine. For a patient with Chronic Obstructive Pulmonary Disease (COPD), who is at high risk for pneumococcal pneumonia, vaccination is a key preventive measure. However, administering it incorrectly (e.g., repeating a dose too soon, giving it when contraindicated) can be ineffective or cause adverse reactions.

Answer Rationale: Key Point! The most comprehensive and primary safety action is to verify the client's vaccination history and contraindications. This single step encompasses several critical checks:
  1. Previous Doses: PPSV23 is typically a one-time vaccine for adults. Administering a second dose too soon (less than 5 years after the first) increases the risk of severe local reactions.
  2. Contraindications: This includes a history of a severe allergic reaction (e.g., anaphylaxis) to a previous dose or any component of the vaccine.
  3. Precautions: While not absolute contraindications, conditions like moderate or severe acute illness might warrant postponing vaccination.
This action is the foundation upon which all other assessments are built. Without confirming it's safe to give the vaccine, other actions like checking vital signs are premature.

Distractor Analysis:
  • Watch out for confusion! Option 1 (Check immunosuppressive drugs): While important, this is a more specific check often prioritized for live attenuated vaccines (e.g., MMR, varicella). PPSV23 is an inactivated (polysaccharide) vaccine and is generally safe for immunocompromised individuals, though the immune response may be suboptimal. It is not the most important universal pre-vaccination step.
  • Option 2 (Assess vital signs and respiratory status): This is a standard part of a general nursing assessment and is crucial for monitoring the patient's baseline, especially with COPD. However, it does not specifically address the unique safety requirements for vaccine administration. A patient with stable COPD can still receive the vaccine.
  • Option 3 (Review allergy history and previous vaccine reactions): This is a critical component of verifying contraindications, making it a part of the correct answer (Option 4). However, by itself, it is incomplete. It misses other key elements like previous dose timing and other specific contraindications (e.g., age under 2 years for PPSV23). Option 4 is a more comprehensive action.
Related Concepts: Understanding the difference between vaccine types (live vs. inactivated) guides nursing priorities. The nursing process dictates that assessment (verifying history/contraindications) must precede implementation (administering the vaccine). Patient education about potential side effects (e.g., sore arm, low-grade fever) is also a key nursing responsibility after administration.

임상 시나리오

Nursing Clinical Practice Guide Clinical Scenario: You are a nurse in a pulmonary clinic. Mr. Johnson, a 65-year-old with a 20-pack-year smoking history and moderate COPD, presents for his annual check-up. The physician has ordered the PPSV23 vaccine. He mentions he "might have gotten a pneumonia shot a few years ago at the pharmacy" but isn't sure.

Nursing Intervention Strategy:
  1. Comprehensive Verification: Before drawing up the vaccine, access the state immunization registry or the patient's personal records. If no record is found, have a detailed conversation with the patient: "Do you remember if you had a severe reaction to any shot? Have you ever been told not to get a vaccine?" Document your findings.
  2. Assessment & Education: Once vaccination is confirmed to be appropriate, assess his current respiratory status (lung sounds, oxygen saturation, work of breathing) to establish a baseline. Educate him: "This vaccine helps protect you from a serious type of bacterial pneumonia. Your arm might be sore or red for a day or two, and you could feel a bit achy."
  3. Administration & Monitoring: Administer the vaccine via intramuscular (IM) injection, typically in the deltoid. Observe for at least 15 minutes post-injection for signs of an immediate allergic reaction.
  4. Documentation: Precisely document the vaccine name (PPSV23), manufacturer, lot number, expiration date, administration site, and route in the medical record and the immunization registry. Provide a vaccine information statement (VIS) and record the date given.
Patient Safety and Precautions:
  • Contraindication Alert: Never administer PPSV23 to anyone with a history of a severe allergic reaction to the vaccine or any of its components.
  • Timing is Key: For adults 65+, the standard schedule is one dose of PPSV23. If they received a dose before age 65 (e.g., for COPD), a second dose is recommended after 5 years have passed and they are now 65 or older. Administering it sooner increases adverse reaction risk.
  • Sequence with PCV13: If the patient also needs the pneumococcal conjugate vaccine (PCV13), there is a specific sequence to follow (PCV13 first, followed by PPSV23 at least one year later). Know the current guidelines.
Nursing Procedure & Medication Flow Vaccine Administration Checklist:
  1. Verify Order & Indication: Confirm the physician's order and that the patient meets criteria (age, risk factors like COPD).
  2. Check History & Contraindications (MOST IMPORTANT): Review immunization record, allergy history, and current health status (defer if acutely ill).
  3. Obtain Informed Consent: Provide and explain the VIS.
  4. Prepare Vaccine: Check the vial for correct name, expiration, and integrity. Draw up using aseptic technique.
  5. Administer: Use proper IM technique in the deltoid (or vastus lateralis for infants).
  6. Observe & Document: Monitor for immediate reactions for 15-30 minutes. Document all required elements.
A Word from Your Senior Nurse "In the rush of a busy clinic, it's tempting to just 'give the shot.' But taking that extra minute to thoroughly verify the vaccination history is what separates a task-completer from a safety-focused nurse. I've seen patients receive unnecessary duplicate vaccines because no one checked the registry, leading to a very painful, swollen arm and a loss of trust. For your COPD patients, preventing pneumonia is a huge part of keeping them out of the hospital. Doing it safely and correctly is our responsibility. On the NCLEX, they love to test your ability to prioritize safety checks over routine assessments."

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