Dietician will prescribe one of the following diet for the patient with emphysema?

RUHS, Jaipur, M.Sc Nursing Entrance Exam-2015

Applied Nutrition & Dietetics

Hard

Appeared in: RUHS, Jaipur, M.Sc Nursing Entrance Exam-2015

Explanation

Patients with emphysema have an elevated metabolic rate due to the increased energy expended on breathing.
A high-calorie diet is required to meet these increased energy demands and prevent weight loss and malnutrition.
A high-protein intake is crucial to preserve and rebuild lean muscle mass, particularly the respiratory muscles (diaphragm, intercostals), which are vital for effective breathing.
This combination helps combat cachexia (muscle wasting syndrome) and improves overall strength and respiratory function.

Option A: A low-protein, low-calorie diet would worsen the catabolic state of a patient with emphysema, leading to accelerated muscle wasting, weakened respiratory function, and increased susceptibility to infections.
Option C: While providing high calories is correct, a 'normal' protein diet is insufficient. Emphysema causes a catabolic state where normal protein intake cannot keep up with muscle breakdown, especially of the respiratory muscles.
Option D: A soft diet refers to the texture of the food, not its nutritional content. It is prescribed based on a patient's ability to chew and swallow, not their underlying disease's metabolic needs. An emphysema patient only needs a soft diet if they also have dental problems or dysphagia.

Clinical Relevance

Nursing practice connection: Use the key finding related to Nutritional management for patients with emphysema (COPD) to guide bedside assessment, documentation, and the next nursing action.
Nurses play a key role in monitoring the nutritional status of patients with emphysema, including tracking weight, assessing for signs of muscle wasting, and monitoring food intake.
Patient education is critical. Nurses should teach patients to eat small, frequent, nutrient-dense meals to avoid dyspnea and fatigue from eating large meals.
What if? If the patient shows signs of severe CO2 retention (hypercapnia) on their blood gas report, the nurse should anticipate a dietary consult to potentially shift the diet composition to be higher in fats and lower in carbohydrates to reduce the metabolic CO2 load, without sacrificing total calories.

How to Approach the Question

First, identify the core pathophysiology of the question's subject: Emphysema is a lung disease that makes breathing difficult.
Think about the consequences of this pathophysiology. Difficult breathing requires more energy, so the body's calorie needs increase significantly.
Consider the secondary effects. This high-energy state can lead to weight loss and muscle breakdown (wasting).
Formulate the required intervention based on these needs: The patient needs more energy (high calorie) and building blocks for muscle (high protein).
Evaluate the options against this requirement. 'High protein high calorie' directly addresses both primary needs.
Eliminate other options by identifying why they are less complete or incorrect (e.g., 'soft diet' addresses texture, not nutrition; 'normal protein' is insufficient).

Concept Tested & Keywords

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E6 Nutrition Kumud Khanna 2e pp. 228-230, 280-282

E6 Nutrition Monika Sharma 3e p. 233-235