Cardiac Cath and Angiocardiography Adult II FINAL 2/2015

Definition of Cardiac Catheterization An invasive imaging procedure that involves inserting a catheter into a blood vessel in the arm or leg, and guiding it to the heart with the aid of a special x-ray machine. Contrast dye is injected through the catheter so that the valves, coronary arteries and heart chambers are can be visualized.

3 Definition of Cardiac Catheterization Diagnostic –Collects data to evaluate PT’s condition Therapeutic –To intervene by mechanical means to treat disorders of the vascular and conduction systems within the heart

Principles of Cardiac Catheterization

9 Indications Suspected or known coronary heart disease Myocardial infarction Valvular heart disease Congenital heart disease Aortic dissection Pericardial constriction Cardiomyopathy Initial and follow up assessment for heart transplant

10 Contraindications Active GI bleed Renal failure Recent stroke Fever from infection Electrolyte imbalance Anemia Short life expectancy Digitalis intoxication PT refusal Uncontrolled hypertension Bleeding disorders Pulmonary edema Uncontrolled ventricular arrhythmias Allergic to contrast

11 Complications and Risks Death Myocardial infarction CVA Arrhythmia Hemorrhage Contrast Hemodynamic Perforation

Angiographic Supplies and Equipment Catheters Contrast Media Pressure Injector

13 Catheters For LT cardiac cath similar to those for angio RT cath requires specialized catheters –Typically flow directed catheters –With manifolds

14 Contrast Media High Osmolar Ionic –Sometimes causes ECG changes Widely used –Non-ionic –Ionic low osmolar Restricted costs causes limited use of low osmolar contrast agents.

15 Pressure injector

Imaging Image chain Digital Angiography imaging equipment

17 Digital Angiography Imaging equipment Long term storage of large amounts of digital files has benefited from advances in computer technology

Ancillary Equipment and Supplies Physiologic Equipment Other equipment

19 Physiologic Equipment Equipment to monitor –ECG –Hemodynamic pressures Vital signs to record PT function

20 Other Equipment Crash cart Oxygen and suction Defibrillator Temporary pacemaker Pulse oximeter Blood pressure cuff Equipment to perform cardiac output studies Activated clotting time (ACT) equipment

21 Patient Positioning for Cardiac Catheterization PT must be positioning so that they will not have to be moved during procedure Must be positioned so anatomic structures of interest are demonstrated PT is supine with shielding as appropriate

Catheterization Methods and Techniques

23 Pre-Catheterization Care Informed consent obtained PT history Physical exam CXR Blood work ECG Echocardiogram Exercise stress test

24 Pre-Catheterization Care IV started –Sedation. Nothing to eat 4-6 hours before procedure Records of procedure –PT hemodynamic data –Fluoro times –Medications administered –Supplies used –Other pertinent information

25 Catheter Introduction Prepare catheter introduction site with aseptic technique –Shaved and cleaned Can be at femoral (most common), brachial, radial, axillary, jugular and subclavian areas Selinger technique used

26 Selinger Technique Needle with cannula inserted Needle withdrawn until there is blood flow Inner cannula removed & guidewire inserted Needle removed Catheter over guidewire Guidewire removed leaving catheter in artery

27 Data Collection Physiologic data unusually collected –Hemodynamic parameters Includes blood pressure Cardiac output Vascular pressures (inside & outside the heart) –ECG –Oximetry readings –Cardiac output –Blood samples to measure oxygen saturations levels in various parts of the heart

Nursing Management after cardiac catheterization Catheter Site is observed for bleeding or hematoma. Temperature and color of the affected extremity are evaluated. Dysrhythmias are carefully assessed by observing the cardiac monitor. Bed rest must be maintained for 2to 6 hours after the procedure. Observe for contrast agent induced renal failure.