Epidural during Labor for Pain Management - Evidence Based Birth®
Epidural during Labor for Pain Management

by | Jan 31, 2018

Welcome!

Today’s video is all about the benefits and risks of using an epidural during labor for pain management. As a reminder, here is our disclaimer and terms of use.

You’ll learn:

  • How often epidurals during labor are used, and the difference between epidurals, spinals, and combined spinal epidurals (CSEs)
  • The benefits of epidurals, spinals, and CSEs
  • The potential risks and side effects of epidurals, spinals, and CSEs for mother and baby

Watch, Read or Listen:

To read, please view the transcript below. To listen, subscribe to our podcast:  iTunes  |  Stitcher 

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View the transcript

Hi, my name is Rebecca Dekker. I’m a Nurse with my PhD and the Founder of Evidence Based Birth®. In this video, we’re going to talk all about epidurals. So in this video, we’re going to talk all about what epidurals are, and what evidence says are the benefits and risks of having an epidural during labor.

About Epidurals

An epidural is also sometimes called an epidural block. This is when a catheter is placed in your lower back in an area right beneath where the spinal cord ends. An epidural can cause some loss of feeling and numbness in the lower part of your body, but the person who’s in labor remains fully awake and alert.

Today, more than 60% of people giving birth in the US have either an epidural or a spinal block during labor. A trained care provider gives you an epidural by using a small needle to go into your back, and over on top of that needle is a small catheter that’s a small plastic tube. The needle is used to guide the small plastic tube into that epidural space in your back. Drugs given through that small plastic tube or catheter can help with pain during labor. More drugs or stronger drugs can also be given through that tube if you end up needing a cesarean, forceps or vacuum delivery.

Now, after they get the plastic tube in your back, they remove the needle so it’s just the thin plastic tube in your epidural space. An epidural takes about 10 minutes to set up and takes about 10 to 15 minutes to start working. It doesn’t always work well at first and sometimes your medications may need to be adjusted so that you get the pain relief during labor you’re looking for.

Epidurals vs. Spinal Blocks

A spinal block is somewhat similar to an epidural. It’s given as an injection in your lower back, but it’s given with a much smaller, thinner needle, and with a much smaller dose of the drugs. The drugs are injected into a sac of spinal fluid that’s right below the spinal cord in your back, and it causes a loss of feeling in your lower body. A spinal block is usually only given once during labor and it provides immediate pain relief instantaneously, but it’s only good for about an hour or two. Stronger drugs with a spinal can also be used to block all feeling during a cesarean.

Combined Spinal Epidural Block

You can also combine these two treatments into one and that is called a Combined Spinal-Epidural block or sometimes abbreviated CSE. With this method, you get both the benefits of both methods. The immediate pain relief of a spinal is there and then you get the continuous pain relief of an epidural. Lower doses of medications can sometimes be used in the CSE, and so this is what people are referring to when they’re referring to a walking epidural, because you have lower doses used, you may be able to retain some mobility.

However, there was a Cochrane review where they combined a whole bunch of research on CSEs and traditional epidurals, and they found actually no difference in how mobile you are with an epidural versus a CSE.

Benefits of using an Epidural during Labor

Epidurals, spinals, and CSEs all carry pretty much the similar benefits and similar side effects.  As I’m talking about side effects, they apply to all of these methods. The main benefit of an epidural during labor is that it is considered the most effective form of pain relief.

There was a Cochrane review that looked at 38 different studies, with nearly 10,000 participants. In these studies, they compared people receiving epidurals, spinals, and CSEs to those who were either receiving no pain medication or were receiving injections in their arm of temporary pain medications. They found that epidural-type pain relief methods lowered pain on average about three and a half points when you’re looking at a zero to 10 scale, with zero being no pain and 10 being the worst pain possible. An epidural was effective by lowering that about three and a half points.

Epidural-type pain medications are also safer for the baby, compared to giving pain medications through an IV. Only two studies of about 360 people reported on satisfaction with epidurals, and they found no difference in satisfaction rates between those who had epidurals and those who did not.

Another benefit of epidurals during labor that is not mentioned in some of these studies, but anecdotally you hear a lot, is that if somebody is really tired or exhausted from labor, epidurals can help them rest and relax, and get some much needed sleep if they’ve been having a long labor.

Those are the benefits, the main benefits have to do with pain management. What are the side effects or risks of epidurals during labor?

Risks of using an Epidural during Labor

Common

The Cochrane review that found that epidurals are very effective with pain management during labor also found a lot of different side effects. You’re much more likely to need a forceps or vacuum delivery to help the baby come out at the end of the pushing phase. This type of delivery is more likely to cause severe tears in your perineal area.

You’re much, much more likely to experience low blood pressure, which can make you feel lightheaded or nauseous, and may require additional IV fluids or medications to manage. A drop in the mother’s blood pressure can also compromise the oxygen status of the baby. Also, there is an increased risk of needing a cesarean for signs of fetal distress if you have an epidural during labor. However, there’s no increased risk in the overall rate of cesarean in these studies in the Cochrane review, just an increased risk of needing one for the baby being distressed.

You’re much more likely to experience something what we call heavy motor-blockade. And that means that your legs might become so heavy and difficult to move that you can’t really move the lower part of your body. That doesn’t happen to everyone, but you’re much, much more likely to have that if you have an epidural.

The Cochrane reviewers also found that you’re much more likely to have a fever during labor with an epidural, lose bladder control and not be able to urinate, and so often, there’s a catheter inserted into your bladder to drain your urine throughout the rest of labor.

Also, you’re more likely to need Pitocin to speed up your labor because the epidural during labor can slow your labor down. Then, you’re more likely to have a longer second stage of labor, the pushing phase, with an epidural. We’ll cover more about pushing phases with an epidural in a separate video. Other risks and side effects from epidurals, spinals, and CSEs include feeling itchy, having itchy skin. This is a very common side effect.

Less Common

Feeling sick or nauseous, although this is less common with an epidural than it would be. It’s more common if you’re are given medications through your arm through an IV. Inadequate pain relief, researchers estimate anywhere from one in eight to one in 10 people with an epidural will not have satisfactory pain management with the epidural.

About one in a 100 mothers reports a spinal headache. Epidurals can cause slowed breathing and drowsiness in the mother. The site where the needle went in could cause slight infection, but usually, those are not serious and can be treated with antibiotics. You can have a temporarily sore back from the epidural injection. Now more severe complications, things like nerve damage, seizures, severe breathing difficulty, and death are extremely rare. In fact, death from epidurals is so rare that one study during a 10 year period in the United States, found zero recorded deaths from epidurals during labor.

Interventions with Epidurals during Labor

It is important to consider how having an epidural during labor can medicalize your birth. You can think of an epidural as almost like a bundle of interventions that go along with it. It’s not just the epidural needle and the pain management.

There will likely be continuous blood pressure monitoring, oxygen monitoring with a probe on your finger. Additionally, you’ll have a cuff on your arm to measure your blood pressure, a probe on your finger to measure your oxygen level. You may need extra IV fluids. In fact, probably most people will have extra IV fluid through the IV in your arm. You’ll likely need Pitocin to help augment or speed up your labor. There is a likelyhood you’d have a catheter in your bladder. Also, you would probably need to stay on a continuous fetal monitor and contraction monitor, and you’ll have several belts strapped around your abdomen. Then you have a higher risk of needing a vacuum delivery at the end of the second stage to help get your baby out.

Bottom Line

The bottom line is that epidurals, spinals, and combined spinal epidurals during labor are very effective ways to help manage pain. However, they do carry potential risks and side effects for the mother and the baby.

That’s it. I hope this video was helpful for you. Thanks. Bye. To learn more and subscribe to our newsletters for useful information, please visit EvidenceBasedBirth.com.

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