43: Emergent Open Sternotomy (Perform)

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PROCEDURE 43

imageEmergent Open Sternotomy (Perform)

PREREQUISITE NURSING KNOWLEDGE

• Knowledge of anatomy and physiology of the cardiovascular system is necessary.

• Advanced cardiac life support knowledge and skills are needed

• Understanding of the signs and symptoms of cardiac tamponade is necessary.

• Emergency open sternotomy is performed for patients who have undergone a median sternotomy, usually within the first 2 weeks of cardiac surgery.

• Emergent open sternotomy is indicated for exsanguinating hemorrhage or cardiac tamponade with imminent cardiac arrest.6,7

• Knowledge and skills related to aseptic and sterile technique, surgical instrumentation, sternal opening, sternal exploration, sternal closure, and suturing are needed.1,46

• Paralytic agents may be a necessary adjunct to sedation to improve oxygenation, diminish muscle activity, and enhance visualization.

• Internal defibrillation may be necessary if life-threatening dysrhythmias occur (see Procedure 42).

EQUIPMENT

• Antiseptic solution (e.g., 2% chlorhexidine-based preparation)

• Head cover, masks, eye protection, sterile gown, sterile gloves, sterile drapes

• Sterile open-chest set and sternotomy tray

• Electrocautery equipment: Generator, cautery, electrical dispersing pad (e.g., grounding pad)

• Large sterile suction catheter (e.g., Yankauer)

• Suction containers, tubing, regulator, and suction source

• Radiopaque gauze or other surgical sponge materials

• Polypropylene (Prolene) suture (cutting needle) and other suture material according to preference

• Clip applicator and clips

• Syringes: 3 ml, 5 ml, 10 ml, and 20 ml

• Knife blades: Nos. 10, 11, 15

• Sternal wires or bands

• Sterile stapler or sutures

• Sterile dressing supplies

• Emergency medication and resuscitation equipment, including internal defibrillation paddles and external defibrillation pads or paddles

Additional equipment as needed includes the following:

PATIENT ASSESSMENT AND PREPARATION

Patient Assessment

• Assess hemodynamic and neurologic status. imageRationale: This assessment identifies baseline data that may indicate the need for emergent open sternotomy and provides comparison data.

• Assess the patient’s medical history, specifically for coagulation disorders, renal disease with coexistent uremia, and functional status of the right and left ventricle. imageRationale: Baseline data are obtained.

• Assess current laboratory data, specifically complete blood cell count, platelet count, international normalized ratio, activated partial thromboplastin time, and fibrinogen. imageRationale: Near-normal baseline coagulation study results decrease the likelihood of coagulopathy as a possible cause for ongoing hemorrhage.

• Assess for signs and symptoms of cardiac tamponade:

• Assess for excessive chest tube drainage. imageRationale: Presence of bleeding assists with the determination of the need for mediastinal exploration. Follow institution guidelines regarding determination of the timing of mediastinal exploration. One recommendation is when chest tube drainage continues at equal to or greater than 3 mL/kg/hr for at least 3 hours.2

Patient Preparation

• Verify correct patient with two identifiers. imageRationale: Prior to performing a procedure, the nurse should ensure the correct identification of the patient for the intended intervention.

• Ensure that the patient and family understand procedural teaching (if time is available). Answer questions as they arise and reinforce information as needed. imageRationale: Understanding of the information provided is evaluated and reinforced.

• Obtain informed consent (may not be possible if the procedure is an emergency). imageRationale: Informed consent protects the rights of the patient and ensures a competent decision for the patient and the family.

• Perform a pre-procedure verification and time out, if non-emergent. imageRationale: Ensures patient safety.

• If time allows, obtain a transthoracic echocardiogram in an attempt to identify mediastinal fluid or clot and ventricular filling and wall motion. imageRationale: An echocardiogram aids in the diagnosis of effusion or tamponade and confirms the necessity for an open sternotomy.

• Ensure the patient’s airway is protected and that supplemental oxygen is delivered. imageRationale: The probability that the patient’s ventilatory needs will be met is enhanced.

• Position the patient in the supine position with the head of the bed flat. imageRationale: This position ensures visualization of the chest and enhances hemodynamic stability.

• Prescribe and ensure that an analgesic or sedative is administered. imageRationale: Promotes patient comfort.

References

1. AORN, Association of periOperative Registered NursesPerioperative standards and recommended practices. -Denver: AORN, 2008.

2. Chikwe, J, Beddow, E, Glenville, B. Cardiothoracic -surgery. New York: Oxford University Press Inc; 2006.

image 3. Mason, RJ, Broaddus, VC, Murray, JF, et al. Murray & Nadel’s textbook of respiratory medicine, ed 4. St Louis: Saunders; 2005.

4. Phillips, N. Berry & Kohn’s operating room technique, ed 11. St Louis: Mosby; 2007.

5. Rothrock, JC. Alexander’s care of the patient in surgery, ed 13. St Louis: Mosby; 2007.

6. Sethares, K, Seifert, PC, Smith, H, Care of patients undergoing cardiac surgery. In Moser DK, Riegel B, editorsCardiac nursing: a companion to Braunwald’s heart -disease. St Louis: Saunders, 2008.

image 7. Soar, J, et al, European Resuscitation Council guidelines for resuscitation 2005 section 7. cardiac arrest in special circumstances. Resuscitation. 2005; 67(Suppl 1):S135–S170.