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- What is an Epidural?
- Types of Epidurals
- How is an Epidural Injection Administered?
- How Does an Epidural Anaesthesia Work?
- What is the Right Time to Have an Epidural?
- Advantages of Having an Epidural
- Possible Disadvantages of Taking an Epidural
- Does Epidural Have Any Side Effects on the Baby?
- Is Epidural Birth Painless?
- Can the Use of an Epidural Injection Cause Back Pain in the Future?
- Epidural and Multiple (Twin) Pregnancy
- What Happens After Delivery?
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The thought of delivering your baby can keep you awake at nights. It’s no secret that labour is painful and exhausting, but labour pain can be tackled with the right medication. If you’re soon going to deliver your baby, you must be considering some options that can help you with labour pain. Epidural is an effective method that provides relief from labour pain and is a popular choice among pregnant women. That said, it has its risks, which is why it is necessary to have complete information about epidural anaesthesia.
What is an Epidural?
An epidural is a local anaesthetic for labour pain relief. It comes analgesic and anaesthetic pain relievers that are injected through a tube in the back. An epidural blocks the nerve signals from both motor and sensory nerves to reach your brain. It shields you from pain while immobilising your lower body and allowing you to stay conscious during labour. Epidural can be used for both vaginal (normal) and caesarean delivery.
Epidural anaesthesia during labour is administered on your lower back into a small space (also called epidural space) outside the spinal cord through a hollow needle or a catheter. A catheter allows for repeat or continuous delivery of the anaesthetic medication when needed. Epidural injection for pregnancy is designed to provide partial pain relief for women, however, the decision to opt for it is a personal choice.
Types of Epidurals
While hospitals and anesthesiologists differ on the dosage and combinations of medication, there are broadly three types of epidurals that are used during labour.
- Traditional/Standard Epidurals
Apart from the regular use of a catheter, a traditional epidural uses regular anaesthesia medication such as bupivacaine or lidocaine that alleviates pain to a great extent. It is injected around the spine and numbs the lower body. As a result, pregnant women find it difficult to move during labour. However, you will still be able to move with some help.
- Spinal Epidurals/Spinal Block
Unlike a traditional epidural, spinal epidural involves the anaesthesia being injected into the spinal cord fluid directly. This provides quick relief from the labour pain but the effect of the drug wears off after a few hours. Spinal blocks are generally used late in labour. Spinal epidural once administered also makes body movements limited.
- Walking Epidural or Combined Spinal Epidural (CSE)
This is a combination of drugs, local anaesthetic medication and epinephrine. Unlike other epidurals, CSE allows you to have a slight sensation in your lower body. Hence, mobility is not much of an issue in this case. The advantage of maintaining some mobility in spite of the motor block potentially helps in getting the baby into a better position for faster delivery.
How is an Epidural Injection Administered?
An epidural injection is usually given during the ‘active’ stage of labour by an anaesthetist. You will be asked to sit at the edge of the bed, bend your back a little and stay put. This position is important for preventing any complications and thereby increasing the effectiveness of your epidural medications. You can also lie on one side, bend and curl your knees as high as you can possibly bring them. Both these positions allow a good spinal curve to assess the exact location where the injection must be administered.
An antiseptic solution is applied on your skin to lower any chances of infection. A small area on your back is made numb by local anaesthesia, which is administered through an injection. A needle is then directed into the area surrounding the spinal cord in your back followed by a catheter through the needle into the epidural space. The anesthesiologist then carefully removes the needle, leaving the catheter in its place, in order to give medication as per requirement. The catheter is then safely taped on to the back to maintain its position.
Once you are through with the above procedure, there are a few ways to administer an epidural that can be adopted. All these methods are crucial to determine the amount of medicine that needs to be administered for effective pain relief depending on your threshold and condition:
1. Epidural using a catheter: A catheter (a bendable thin and hollow tube) is put in carefully into the epidural space created by using a hollow needle. This allows the continuous or intermittent administration of medication just outside the membrane surrounding your spinal cord and spinal fluid. Your anaesthetist will first give you a “test dose” to check the placement of the catheter tube and check for any adverse drug reactions. If you do not develop any reactions, the test dose is followed by a full dose.
2. Intermittent Epidural: In this case, the medicine is given on a need basis. Based on your tolerance level for the labour pain and desired level of movement your anesthesiologist will decide the dose.
3. Mix and Match: The anaesthesiologist mixes medicines (anaesthetics and analgesics) to match the degree of sensation and movement you want.
4. Patient-Controlled Epidural Anaesthesia: With the help of this epidural, you can regulate the amount of medication injected into the epidural tubing.
5. New Epidural Births: Also called as ‘walking epidurals’, this particular analgesia gives the mother freedom to stand, kneel, squat, or even walk with some help.
6. Spinal Epidural Analgesia: The newest pain reliever is known as spinal analgesia or a ‘walking spinal’. Only a tiny dosage of medicine is injected into the spinal fluid to reduce the agony of labour but still allows movement.
7. Low-Dose Epidural: This is a type of combination (narco-anaesthetic) epidural. It provides relief from labour pain to an extent so that an exhausted mother can relax a little and get some energy back for pushing.
How Does an Epidural Anaesthesia Work?
An epidural temporarily blocks the nerves in your cervix and uterus that carry pain signals to your brain and thereby decrease the sensation.
Epidural medications include drugs called local anaesthetics, such as bupivacaine, chloroprocaine or lidocaine. They are usually given with opioids or narcotics so that local anaesthetics can be used less.
This provides relief from labour pain and has limited side effects. Such medicines may also be used to prolong the epidural’s effect or to stabilize the mother’s blood pressure.
What is the Right Time to Have an Epidural?
There is no right or wrong time to have an epidural analgesia during labour. However, it is usually given during the active stage of labour, when a woman feels frequent contractions and the cervix is dilated.
You may also be offered an epidural to speed up the labour. This is done with a hormone called syntocinon, that is administered in a drip which makes contractions more intense and painful.
The epidural has to remain in its place until after your baby is born. It can also provide pain relief after delivery if you need stitches from an episiotomy.
Advantages of Having an Epidural
Epidurals are a great choice to relieve labour pain better than any other medication. Women who have been administered epidural feel very less or no pain during labour. Other advantages are:
- It does not significantly increase the duration of labour.
- You can stay awake and alert but you will still feel the pressure and some stretching during delivery.
- Combined spinal-epidural (CSE) gives better results as compared to standard epidural. It has lower doses of anaesthetic medication that give you more muscle strength.
- Its strength can be enhanced with a local anaesthetic if needed. Furthermore, having an epidural does not increase your chances of requiring a caesarean.
Possible Disadvantages of Taking an Epidural
An epidural can be used to deliver different types of local anaesthetics. And each type has its own side effects. Some of the common side effects of epidural are given below.
- Itching: Itching is a common side effect of an epidural. If you experience itching, changing the drug may help in solving the problem.
- Blood pressure issues and fever: Even a small dose of epidural may cause a drop in blood pressure or cause fever. However, this is normal.
- Numbness or tingling sensation in the legs: This can create difficulties in urinating. A urinary catheter is normally used in such cases to help you urinate.
- Risk of spinal fluid leak: If the injection goes too deep, it can make a hole in the protective layers (dura) around the spinal cord, and spinal fluid might leak out. This may result in headaches that can last up to days. This can happen due to fluid loss.
- Longer duration of childbirth: Delivery may take a bit longer on an average amongst women who have epidurals.
- Assited delivery: Some women may feel the desire to push in spite of having an epidural. Due to the epidural, they cannot feel when it is time to push, they may need assisted delivery (vacuum suction/forceps).
Does Epidural Have Any Side Effects on the Baby?
In general, epidurals are safe for the baby as they are injected into the spine and not through veins. Any medication that is given to a woman during her labour surely reaches the baby’s bloodstream through the umbilical cord. This includes pain-relieving anaesthetics delivered through epidurals. But anaesthetics use drugs that are as safe as any other painkillers that are given to expectant mothers and hence do not affect the baby strongly. There aren’t any long term side effects of using epidurals.
However, since a baby’s immune system is not completely developed, it takes more time for them to deal with the effects of epidural drugs. A drop in the blood pressure of the mother due to epidural may cause discomfort to the baby as it may affect his oxygen supply.
Is Epidural Birth Painless?
An epidural block does reduce labour pain. Having said that, it doesn’t alleviate the pain completely.
On an average epidural takes about 40 minutes to work after it is injected. The process of administrating it is painful and can be quite uncomfortable. If the same medicine is used in lower concentration, it will cause analgesia which means it will only relieve the pain without causing any muscle weakness. However, if the epidural does not work, your doctor may have to administer it again.
Taking an epidural will provide some pain relief, however, a ‘painless delivery’ is not entirely possible.
Can the Use of an Epidural Injection Cause Back Pain in the Future?
Even after going through childbirth with the help of an epidural, some women may experience mild soreness at the catheter site where the medication was injected. Using an epidural pain relief during delivery does not cause long-term back pain. While many women believe that epidural analgesia causes severe or long-term back pain, they are not related. Back pain post-delivery happens due to the pre-existing prenatal backaches or are a result of normal physiological changes during pregnancy.
Epidural and Multiple (Twin) Pregnancy
It is not necessary to have a caesarean delivery with twins. Just like a single child delivery, many twins are born vaginally too. Epidurals are often recommended by doctors for pain relief in labour and also in preparation to get the second child in position for delivery.
If there are any problems, it’s practically easier for your antenatal team to deliver your babies quickly if you’ve already had an epidural.
What Happens After Delivery?
It’s important to focus on your baby’s birth during pregnancy. But it’s a good idea to also know what to expect after labour. Here’s what you should expect after the birth of your child.
- The umbilical cord will be clamped and cut, and your baby will be dried and covered up to prevent them from catching a cold.
- Mucus will be cleared out from your baby’s face. Some babies need assistance to get their breathing normal.
- Your doctor may suggest that you hold close to your baby to give him skin-to-skin contact.
- Your baby will be examined by a paediatrician, weighed and measured, and given a band with your name on it.
Labour is not easy, but the decision to opt for an epidural or any other labour pain-relieving method should be completely yours. If you want to opt for any labour pain relief method, do your research, discuss it with your doctor, and have a safe labour and delivery.