Which of the following is not a complication of total parenteral nutrition?

RUHS, Jaipur, PB B.Sc Nursing Entrance-2023

Medical & Surgical Nursing

Medium

Appeared in: RUHS, Jaipur, PB B.Sc Nursing Entrance-2023

Explanation

Peritonitis is the inflammation of the peritoneum, the tissue that lines the inner wall of the abdomen and covers and supports most of your abdominal organs.
This condition is not caused by intravenous therapy like TPN.
It is typically a complication of abdominal issues such as peritoneal dialysis, rupture of an abdominal organ (like the appendix), or infection following abdominal surgery.

Option A: Air embolism is a known and serious complication of TPN. It can occur if air enters the central venous catheter system, for instance, if the tubing becomes disconnected.
Option B: Fluid overload is a potential metabolic complication of TPN. It can happen if the hypertonic solution is infused too quickly, exceeding the patient's circulatory capacity.
Option C: Pneumothorax is a potential mechanical complication that can occur during the insertion of the central venous catheter required for TPN administration, caused by accidental puncture of the pleura.

Clinical Relevance

Nursing practice connection: This is primarily an exam-oriented knowledge point with limited direct bedside application, so retain Complications of Total Parenteral Nutrition (TPN) as background academic context rather than a clinical decision trigger.
Nurses play a critical role in preventing TPN complications through vigilant monitoring, including checking the infusion rate, using an infusion pump, maintaining strict aseptic technique during dressing and tubing changes, and assessing the patient's metabolic, fluid, and respiratory status.
Recognizing the signs of complications early is vital. For example, sudden chest pain and dyspnea could indicate a pneumothorax or air embolism, requiring immediate intervention.
What if? If the patient were receiving peritoneal dialysis instead of TPN, peritonitis would become a primary and significant risk. In that case, the nurse would need to monitor for abdominal pain, fever, and cloudy dialysate effluent.

How to Approach the Question

First, identify the key elements of the question: "not a complication" and "total parenteral nutrition (TPN)".
The keyword "not" indicates this is a negative question, meaning you must find the option that is the exception or does not belong.
Consider the nature of TPN: it is an intravenous therapy administered through a large central vein, bypassing the gastrointestinal system.
Evaluate each option in the context of central intravenous therapy: Air embolism, fluid overload, and pneumothorax are all plausible risks associated with central lines and IV infusions.
Evaluate the remaining option, Peritonitis. This term relates to the peritoneum, which is in the abdominal cavity. This is anatomically distinct from the venous system where TPN is administered.
Conclude that Peritonitis is unrelated to TPN administration and is therefore the correct answer.

Concept Tested & Keywords

Concept Tested: Complications of Total Parenteral Nutrition (TPN)
Stem keywords: total parenteral nutrition, complication
Lead-in keywords: not
Negative lead-in flag: The question asks to identify the option that is NOT a complication of TPN.

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E6 Nursing Brunner Adult Health 3SA Vol 1 Part 2 pp. 107-109, 106-108

E6 Nursing Fundamentals Potter Perry 12e Part 5 p. 207-209