Intra-aortic balloon pump therapy is used for treatment of?

Appeared in: SCTIMST Staff Nurse - 2016

Explanation

Cardiogenic shock is a state of severe heart failure characterized by low cardiac output and end-organ hypoperfusion.
IABP is a primary mechanical support device indicated for managing patients with cardiogenic shock or severe hemodynamic instability.
The therapy aims to stabilize the patient by improving the balance between myocardial oxygen supply and demand.
It works by increasing coronary blood flow (during diastolic inflation) and reducing the heart's workload or afterload (during systolic deflation).

Option A: IABP is not a primary treatment for congestive heart failure. Pharmacological management (diuretics, vasodilators, inotropes) is the standard approach.
Option B: Pulmonary oedema is a symptom, typically of left-sided heart failure. Treatment focuses on the underlying cause. IABP is not a direct treatment for fluid in the lungs.
Option D: Aortic insufficiency (regurgitation) is an absolute contraindication for IABP therapy.

Clinical Relevance

Nursing practice connection: Knowing Indications for Intra-aortic Balloon Pump (IABP) Therapy helps nurses interpret findings accurately and avoid errors in routine assessment, medication administration, and patient teaching.
A nurse caring for a patient with an IABP must perform frequent assessments of the cannulated limb for signs of ischemia (pallor, pulselessness, pain, paresthesia, paralysis), as vascular complications are a major risk.
Continuous hemodynamic monitoring is crucial to assess the effectiveness of the therapy and detect complications. This includes monitoring arterial pressure, central venous pressure, and urine output.
The patient must be kept on bed rest with the head of the bed elevated no more than 30 degrees, and the affected leg must be kept straight to prevent catheter kinking or dislodgement.

How to Approach the Question

First, identify the core concept of the question, which is the clinical use of an 'Intra-aortic balloon pump (IABP)'.
This is a factual recall question. Access your knowledge about advanced cardiac life support and mechanical circulatory devices.
Evaluate each option based on the known indications and contraindications for IABP therapy.
Recall that IABP is used for severe cardiac pump failure, which is the definition of cardiogenic shock.
Consider the contraindications. Remember that aortic insufficiency is a key contraindication, as diastolic augmentation would worsen the regurgitation.
Based on this, select 'Cardiogenic shock' as the primary indication among the choices.

Concept Tested & Keywords

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E6 Medicine Harrison 22e Part 2 p. 36-38

E6 Medicine Davidson Principles Practice 24e p. 227-229

Practise the full SCTIMST Staff Nurse - 2016

Attempt every question from this paper in a timed mock, then review the full solution for each one.