SCTIMST Staff Nurse - 2016
Medical & Surgical Nursing
Medium
TEVAR is a procedure?
Appeared in: SCTIMST Staff Nurse - 2016
Explanation
- TEVAR stands for Thoracic Endovascular Aortic Repair, a minimally invasive procedure.
- It is classified as 'Interventional' because it uses catheters and imaging guidance (fluoroscopy) to place a stent-graft inside the aorta without a large surgical incision.
- This technique is a primary example of procedures performed in interventional radiology or a cardiac catheterization lab.
- The term 'Interventional' is more precise than 'Invasive' and correctly distinguishes it from traditional 'Surgical' approaches.
Why Other Options Were Wrong
- Option A: This term typically refers to open surgery, which involves a large incision (thoracotomy) to directly access and repair the aorta. TEVAR is specifically designed to be a less invasive alternative to open surgery.
- Option C: While TEVAR is an invasive procedure because it involves breaking the skin and entering a blood vessel, this term is too general. 'Interventional' is a more specific and accurate classification.
- Option D: This is incorrect. Any procedure that involves puncturing the skin or entering a body cavity is considered invasive. Non-invasive procedures do not break the skin, such as taking a blood pressure reading or performing an external ultrasound.
Related Visual
Clinical Relevance
- Nursing practice connection: This is primarily an exam-oriented knowledge point with limited direct bedside application, so retain Classification of the TEVAR (Thoracic Endovascular Aortic Repair) procedure as background academic context rather than a clinical decision trigger.
- Nurses are vital in post-TEVAR care, focusing on monitoring the arterial access site (usually femoral) for bleeding, hematoma, or pseudoaneurysm.
- Key nursing assessments include frequent checks of vital signs, distal pulses (pedal pulses), and neurological status to detect complications like limb ischemia or spinal cord ischemia.
- What if? If a patient develops a new onset of leg weakness or paralysis post-TEVAR, it could signify spinal cord ischemia, a rare but devastating complication. This is a medical emergency requiring immediate notification of the provider and potential intervention like increasing blood pressure or cerebrospinal fluid drainage.
How to Approach the Question
- First, identify the core term in the question: 'TEVAR'.
- Recall or deduce the meaning of the acronym: Thoracic Endovascular Aortic Repair.
- Focus on the keyword 'Endovascular'. This means the procedure is performed inside a blood vessel.
- This keyword immediately helps eliminate 'Non invasive' and makes traditional 'Surgical' (implying an open procedure) less likely.
- Compare the remaining options: 'Interventional' and 'Invasive'.
- Recognize that 'Interventional' refers to a specific class of minimally invasive, image-guided procedures. Since TEVAR fits this description perfectly, it is a more precise and therefore better answer than the general term 'Invasive'.
Concept Tested & Keywords
- Concept Tested: Classification of the TEVAR (Thoracic Endovascular Aortic Repair) procedure.
- Stem keywords: TEVAR, procedure
- Lead-in keywords: BEST, MOST RELEVANT CLUE
- Negative lead-in flag: false
Question ID
QAItJPy_7Jx8KGvuSBRqdN
Reference Book
E6 Nursing Brunner Adult Health 3SA Vol 1 Part 3 p. 70-72
E6 Medicine Harrison 22e Part 2 p. 35-37
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.
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