PACU Nursing: Postoperative Care

In this part of our perioperative nursing lecture, we’ll be focusing on what’s going on inside a post-anesthesia care unit (PACU).

So, there are a couple of questions we will be answering as we go through this discussion, mainly:

1. What happens in post-operative PACU?
2. How long does a client stay inside the PACU?
3. What are the major details you must be aware of inside the PACU?

What Happens Inside the PACU?

For those who are unaware, when a client comes into the PACU, it means that surgery has been done, and being the nurse in charge, there are a couple of things that you are required to do to ensure the safety and condition of your client.

The first thing that would happen inside the post-anesthesia care unit is that the anesthesiologist will inform you of the type of anesthesia that was given. Providing this kind of detail is essential to provide nurses with an idea regarding the status of their client, especially the drug used to suppress the central nervous system.

Whatever anesthesia is given, you can expect the following reactions from your client:

• Slowed breathing
• Slowed gastrointestinal motility
• Decreased heart rate
• Decreased respiratory rate

Top Three Surgeries

Amongst tons of surgeries done inside an operating room, there are top three procedures that are commonly done, which are:

1. Cardiac Surgery – coronary artery bypass
2. Fixation – for broken bones
3. Small bowel obstruction – “plumbing, cutting, and re-attaching” the small bowel

Estimated Blood Loss

So, remember giving anesthesia will result in a depressed central nervous system. That is why it is important to note the input and output of the client before and after the operation to determine the estimated blood lost during the procedure.

Checking the laboratory values is vital when a client comes out of the operating room. To know the estimated blood loss and prevent the client from further bleeding, the nurse-in-charge should check the following coagulation factors:

• Partial thromboplastin time (PTT)
• International normalized ratio (INR)
• Prothrombin time (PT)

ABC Nursing Assessment

Aside from the laboratory values, you also have to assess the status of your unconscious client. So, you must first observe the airway, breathing, and circulation (ABC).

Airway and Breathing

Between bleeding out from the incision site and not breathing, your priority is to ensure that the client’s airway is clear and breathing properly.

Why is the airway and breathing the first priority?

We’ve previously mentioned that anesthesia suppresses the central nervous system, so you have to ensure that the client’s airway is patent and that breathing is normal to promote and facilitate oxygen exchange to the lungs and heart.

Circulation

So, after checking your client’s airway and breathing, the next thing that you have to asses is circulation. Your primary concern is the incision site. You have to ask yourself the following questions while assessing the surgery site:

• How does the site look?
• Is there profuse bleeding?

If there’s the presence of bleeding, you are not to remove the initial dressing. You have to call the doctor first and inform them about the client’s condition.

You also have to take note of the bleeding by outlining the site with a pen at the beginning of the shift so that you can easily assess if there is excessive bleeding if the stain becomes bigger and the dressing becomes soaked.

Postoperative Site Infection

Assessing for site bleed usually happens during the first day postoperatively, together with the ABCs. On the second day, you have to assess for site infection. What are the things that you have to take note of when checking for site infection?

• The site is warm to touch.
• The site is reddish.
• Drainage or pus is coming out of the site.

But what does a normal, acceptable wound bed look like?

Your client’s wound bed has to be clean, dry, and intact. It should be cool to the touch, and the wound should appear pink. This would interpret that the client’s condition is improving and is considered a positive outcome.

Infection and Fever

Another sign that your client has an infection is when they develop a fever. Upon checking the vital signs, clients with fever will manifest an increased body temperature and a skyrocketing heart rate.

Compartment Syndrome

Suppose your client underwent knee or extremity surgery. In that case, one of the major assessments that you must consider is the circulation of sensory and motor functions, which is the capillary refill. Capillary refill is blood returning to the distal portions of the body.

If there is an insufficient capillary refill, compartment syndrome may occur. Compartment syndrome happens due to increased blood volume around the surgical site caused by inflammation. This inflammation prevents blood from circulating properly and getting through the small vessels of the toes and fingers.

There are two indications of decreased circulation:

1. If the client is unable to move their affected extremities
2. If the client cannot sense your touch on that affected area

Remember that one of the most important things you must do when focusing on your DAR is gather sufficient and accurate data to take appropriate action and yield a positive response. Nurses who are unable to collect data correctly, the client might lose their feet because oxygen is no longer reaching the extremities.

Nursing Assessment for Pain

To know your client’s pain, you have to ask them personally. If they cannot talk due to the effects of pain medication, make sure that you are assessing the level of consciousness because there might be an analgesic overdose that can cause brain, lung, heart, and GI decompression.

Post-Operative Nursing Interventions

Here is a summary of the things that you have to remember when taking care of a post-operative client:

1. ABC assessment is a top
2. Level of consciousness and site assessment comes next.
3. Checking for bleeding and infection happens 24 to 48 hours after surgery.
4. Compartment syndrome occurs in surgeries concerning the extremities.
5. Analgesic overdose can result in a depressed CNS.

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