What is the maximum storage life of platelet concentrate?

SCTIMST Staff Nurse - 2015 (Set-B)

Medical & Surgical Nursing

Easy

Appeared in: SCTIMST Staff Nurse - 2015 (Set-B)

Explanation

Platelet concentrates are stored at room temperature (20°C to 24°C) to maintain viability.
This storage condition increases the risk of bacterial contamination, severely limiting the shelf life.
The standard maximum storage duration is 5 days (or up to 7 with special testing).
Among the given choices, 3 days is the only option that falls within a safe, albeit shorter, storage window for platelets.

Option A: 3 months is an excessively long storage period for any liquid blood component and would lead to certain bacterial contamination and loss of platelet function.
Option B: 2 weeks (14 days) is well beyond the safe storage limit for platelets due to the high risk of bacterial growth at room temperature.
Option C: 30 days is incorrect. This storage duration is closer to that of refrigerated Packed Red Blood Cells (PRBCs), not platelets.

Clinical Relevance

Nursing practice connection: This is primarily an exam-oriented knowledge point with limited direct bedside application, so retain Storage duration and conditions for platelet concentrate as background academic context rather than a clinical decision trigger.
A nurse's primary responsibility before transfusing any blood product is to verify its integrity, including the expiration date and time. Administering expired platelets carries a high risk of causing bacterial sepsis, a life-threatening condition.
Nurses must ensure that platelets are maintained at room temperature and have been properly agitated before administration. They should never be stored in a standard refrigerator.
What if? If a unit of platelets is accidentally placed in a refrigerator, it must be immediately quarantined and discarded. The cold temperature causes irreversible damage, rendering the platelets useless and potentially harmful if transfused.

How to Approach the Question

First, identify the core of the question, which is the 'maximum storage life' of a specific blood product, 'platelet concentrate'.
Recall the fundamental principles of blood component storage. Remember that platelets are unique because they are stored at room temperature, unlike red cells which are refrigerated.
Connect the storage condition (room temperature) to its major consequence: a high risk of bacterial growth.
This connection logically leads to the conclusion that platelets must have a very short shelf life.
Evaluate the given options. Eliminate the long durations (3 months, 2 weeks, 30 days) as they are incompatible with room temperature storage.
Select the shortest, most plausible duration, which is 3 days, as the correct answer.

Concept Tested & Keywords

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