AIIMS Patna NO - 2020: While doing colostomy irrigation, the height of the irrigation bag should be around?

AIIMS Patna NO - 2020

Medical & Surgical Nursing

Easy

Appeared in: AIIMS Patna NO - 2020

Explanation

The standard recommended height for a colostomy irrigation bag is 18 inches (45-50 cm) above the stoma.
This height is typically level with the patient's shoulder when seated, which provides the ideal gravitational force for the procedure.
It ensures a gentle, controlled flow of fluid into the colon, which is crucial for preventing rapid distention, cramping, and patient discomfort.
This specific height balances effectiveness with safety, allowing the colon to be cleansed without exposing it to excessive pressure.

Option B: This height is too high. It would cause the irrigating solution to flow too rapidly, leading to forceful distention of the bowel, which results in painful cramping and discomfort.
Option C: This height is too low. It would not provide enough gravitational pressure for the solution to flow effectively into the colon, making the irrigation process slow, inefficient, and likely incomplete.
Option D: This height is dangerously high. The resulting high pressure creates a significant risk of perforating the bowel, which is a serious medical emergency, in addition to causing severe pain and cramping.

Clinical Relevance

Nursing practice connection: This is primarily an exam-oriented knowledge point with limited direct bedside application, so retain Colostomy Irrigation Procedure as background academic context rather than a clinical decision trigger.
Patient education is a critical nursing responsibility. The nurse must teach the patient the correct procedure, emphasizing the importance of bag height, using lukewarm water, and recognizing signs of complications.
Proper technique is paramount for patient safety. It prevents complications like cramping, fluid-electrolyte imbalance, and the rare but serious risk of bowel perforation.
What if the patient reports cramping during irrigation? The nurse should instruct the patient to immediately clamp the tubing to stop the flow. The patient should take slow, deep breaths and wait for the cramping to subside. The irrigation can then be resumed at a slower rate, which can be achieved by slightly lowering the bag.

How to Approach the Question

First, identify the core of the question. It asks for a specific, standard parameter (height) for a common nursing procedure (colostomy irrigation).
Recall the principles behind the procedure. Colostomy irrigation uses gravity to introduce fluid. The height of the fluid source directly controls the flow rate and pressure.
Think about the 'Goldilocks' principle: not too high, not too low. Too low would be ineffective. Too high would be too forceful and dangerous.
Evaluate the options. 12 inches is likely too low for effective flow. 24 and 36 inches are significantly higher and would create a much faster, more forceful flow, increasing the risk of cramping and injury.
Select the option that represents the established, safe, and effective standard. 18 inches is the standard height that balances safety and effectiveness.

Concept Tested & Keywords

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E6 Nursing Fundamentals Taylor p. 635-637

E6 Nursing Fundamentals Potter Perry 12e Part 6 p. 44-46