Percutaneous Transluminal Angiography

Question 1

Another term for Percutaneous Transluminal Angiography

Answer 1

Balloon Angioplasty and Balloon Dilation

Question 2

Contraindications

Answer 2

Small size vessels, posterior calcification, occlusion, or hematoma of vessels, inability to tolerate dual antiplatelet therapy or allergy to stent components. A relative contraindication includes significant comorbidities that severely limit life expectancy.

Question 3

Anatomy

Answer 3

Renal, Iliac, Femoral, and coronary arteries

Question 4

Approaches/Methods

Answer 4

A specially designed catheter with a tiny balloon is carefully guided through the artery to the blockage, then inflated to widen the opening and increase blood flow to the heart

Question 5

Devices and Equipment Used

Answer 5

Fluroscopy and X-ray imaging equipment

Micropuncture needle (18-20G)

Hydrophilic sheath

Contrast material

Guidwire

Balloon catheter

Stent

Ultrasound Imaging device

Hemodynamic monitoring system

Question 6

Contrast Media

Answer 6

Performed under local anaethesia with LOCM

Question 7

Approaches and methods (anatomy)

Answer 7

Renal Artery, Iliac Artery,

Question 8

Complications

Answer 8

Perforation of iliac artery leading to retroperitoneal hemorrhage

Embolization of clot or atheroma distally down either leg. This may be removed by suction thrombo-embolectomy or surgical embolectomy

Occlusion of the main artery

Occlusion of collateral Artery

Question 9

Aftercare

Answer 9

The pulses distal to the artery that has been dilated and the colour of the toes should be observed half-hourly for 4 h

1. Aspirin 150mg daily (for life, unless there is a contraindication)

Reinforcement of the need to stop smoking.