Page 1678 - Saunders Comprehensive Review For NCLEX-RN
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acid.
                                                             c. Instruct the client that chest pain may
                                                                occur during balloon inflation and to
                                                                report it if it does occur.

                                                      3. Postprocedure interventions

                                                             a. Similar to postprocedure intervention
                                                                following cardiac catheterization
                                                             b. Administer anticoagulants and
                                                                antiplatelets as prescribed to prevent
                                                                thrombus formation.
                                                             c. IV nitroglycerin may be prescribed to
                                                                prevent coronary artery vasospasm.
                                                             d. Encourage fluids, if not
                                                                contraindicated, to enhance renal
                                                                excretion of dye.
                                                             e. Instruct the client in the administration
                                                                of prescribed medications; daily
                                                                acetylsalicylic acid (aspirin) may be
                                                                prescribed.
                                                             f. Assist the client with planning lifestyle
                                                                modifications.
                                B. Laser-assisted angioplasty
                                             1. Description
                                                             a. A laser probe is advanced through a
                                                                cannula similar to that used for PTCA.
                                                             b. Used for clients with small occlusions
                                                                in the coronary arteries, also the distal
                                                                superficial femoral, proximal popliteal,
                                                                and common iliac arteries.
                                                             c. Heat from the laser vaporizes the
                                                                plaque to open the occluded artery.
                                             2. Preprocedure and postprocedure interventions
                                                             a. Care is similar to that for PTCA.
                                                             b. Monitor for complications of coronary
                                                                dissection, acute occlusion,
                                                                perforation, embolism, and MI.
                                C. Coronary artery stents
                                             1. Description

                                                                    a. Coronary artery stents are used

                                                                with PTCA to provide a supportive
                                                                scaffold to eliminate the risk of acute
                                                                coronary vessel closure and to improve
                                                                long-term patency of the vessel.
                                                             b. A balloon catheter bearing the stent is
                                                                inserted into the coronary artery and




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