A patient of Guillain Barre Syndrome has been admitted and advised immunoglobulin therapy. Immunoglobulin can be administered through which of the following route?

1. A

   IV

2. B

   SC

3. C

   IM

4. D

   All of the above

Appeared in: RML Lucknow - 2021

Explanation

• For acute autoimmune conditions like Guillain-Barré Syndrome (GBS), Intravenous Immunoglobulin (IVIg) is the standard treatment.
• The IV route is necessary to deliver the high doses (e.g., 0.4 g/kg/day for 5 days) required to quickly neutralize the autoantibodies attacking the nervous system.
• Other routes like subcutaneous or intramuscular cannot accommodate the large volume and rapid delivery needed for effective treatment in an acute setting.

Why Other Options Were Wrong

• Option B: Subcutaneous (SC) administration is not suitable for the high-dose therapy required in acute GBS. The volume is too large for SC tissue to absorb effectively and quickly.
• Option C: Intramuscular (IM) injection is not used for immunoglobulin therapy in GBS. It is extremely painful, has a limited volume capacity (typically 3-5 mL), and provides slow, unreliable absorption, making it completely impractical for the large doses needed.
• Option D: This option is incorrect because only the IV route is appropriate for the administration of immunoglobulin in the acute phase of Guillain-Barré Syndrome.

Related Visual

Clinical Relevance

• Nursing practice connection: Use the key finding related to Route of administration for Immunoglobulin (IVIG) in Guillain-Barré Syndrome (GBS) to guide bedside assessment, documentation, and the next nursing action.
• A nurse's primary responsibility during IVIg infusion is vigilant monitoring for adverse reactions, which can range from mild (headache, chills) to severe (anaphylaxis, thromboembolic events, acute kidney injury).
• Understanding the correct route is a critical patient safety issue. Administering IVIg via the wrong route would be a serious medication error with potentially fatal consequences.
• What if the patient has pre-existing renal disease? The nurse must advocate for a slower infusion rate, ensure excellent pre-infusion hydration, and meticulously monitor urine output and creatinine levels, as these patients are at higher risk for IVIg-induced acute kidney injury.

How to Approach the Question

• First, identify the core of the question: the administration route for a specific drug (immunoglobulin) in a specific condition (Guillain-Barré Syndrome).
• Recall that GBS is an acute, serious neurological condition requiring rapid, high-dose intervention.
• Evaluate the options based on pharmacokinetic principles. The IV route provides 100% bioavailability and the most rapid effect, making it ideal for emergencies.
• Consider the limitations of other routes. IM has a small volume capacity and is painful. SC is for slower, sustained absorption of smaller volumes.
• Conclude that only the IV route can deliver the large volume of immunoglobulin needed to quickly manage the autoimmune attack in GBS.

Concept Tested & Keywords

• Concept Tested: Route of administration for Immunoglobulin (IVIG) in Guillain-Barré Syndrome (GBS)
• Stem keywords: Guillain Barre Syndrome, immunoglobulin therapy, route of administration
• Lead-in keywords: which of the following route
• Negative lead-in flag: false

Question ID

Qox0jB61kuFoqi3zAXia0c

Copy ID

Reference Book

E6 Ghai Essential Pediatrics(pp 26-904 of 913) p. 701-703

E6 Nelson Textbook of Pediatrics(2024) — Volume 1 pp. 1357-1359, 1360-1362