Which type of anesthesia is the safest?

No single type can be described as the safest for every patient. Safety is assessed according to the patient's characteristics and the planned procedure.

Is general anesthesia better than spinal anesthesia?

The answer depends on the operation and on the patient's condition. Both methods have advantages and limitations.

Are sedation and general anesthesia the same thing?

No. They are different practices. In some situations, however, the line between them can be very narrow.

Are spinal and epidural anesthesia the same?

No. Both are given in the spinal region, but the space the drug is delivered into and the way it works are different.

What is a nerve block?

It is the temporary numbing of the nerves that carry sensation from a particular area. It offers significant advantages, especially for postoperative pain control.

Can more than one method be used at the same time?

Yes. In many operations today, general anesthesia is combined with nerve blocks or epidural techniques.

Types of Anesthesia — Prof. Dr. Mert Şentürk

When people hear the word anesthesia, most think of general anesthesia — being put fully to sleep.

Modern anesthesia covers a far wider field than that.

The methods used today vary according to the type of procedure, the patient's general health, the length of the operation and the requirements of the surgery.

Some procedures require the patient to be fully asleep. For others, numbing one specific area is enough.

In some cases the patient continues to breathe independently and to communicate throughout.

This is why there is no such thing as "the best anesthesia". The most appropriate method has to be determined for each patient and each operation.

How are the types classified?

Anesthetic methods are generally classified by the area they affect. Some act on the whole body, others only on a particular region.

The main types in use today are:

General anesthesia
Sedation
Local anesthesia
Spinal anesthesia
Epidural anesthesia
Regional anesthesia (nerve blocks)

These can also be used together when needed. A patient may be operated on under general anesthesia while also receiving a nerve block to reduce pain afterwards.

General anesthesia

General anesthesia is the type most widely known. Consciousness is switched off in a controlled way. The patient feels no pain during surgery, is not aware of the surroundings and does not remember the procedure.

During general anesthesia:

Consciousness is controlled
Pain is blocked
Muscle relaxation is provided
Breathing and circulation are monitored continuously

Cardiac surgery, thoracic surgery, abdominal operations and many major procedures are performed under general anesthesia.

Sedation

Sedation is often described as a "light sleep", but in fact it spans a wide range of practice.

The patient may not fall asleep completely. They may not remember the procedure, may feel relaxed and may have less anxiety.

It is frequently used during endoscopy, colonoscopy, some interventional procedures and minor surgery.

In some situations the boundary between sedation and general anesthesia can come very close.

Local anesthesia

In local anesthesia only the small area being treated is numbed. The patient is fully awake.

Dental treatment, skin biopsies, minor surgery and some dermatological procedures can be performed under local anesthesia.

Local anesthesia may look like one of the simplest methods, but the doses and the way the drugs are given still matter.

Spinal anesthesia

In spinal anesthesia the drug is delivered into the area containing the cerebrospinal fluid, producing rapid and effective numbness in the lower half of the body.

It is frequently preferred for:

Caesarean sections
Knee and hip replacement surgery
Some urological procedures

The patient is usually awake, but can be made more comfortable with additional medication if they wish.

Epidural anesthesia

Epidural anesthesia is one of the methods most often confused with spinal anesthesia. Here the drug is delivered into the epidural space surrounding the spinal cord.

One of its main advantages is that a fine catheter allows the drug to be given over a long period.

It is therefore widely used for:

Pain relief in childbirth
Pain management after major surgery

Regional anesthesia (nerve blocks)

Regional anesthesia is one of the fastest developing areas of modern anesthesia. The nerves that supply sensation to a particular region are targeted.

As ultrasound has become widespread, nerve blocks can be performed far more precisely and safely.

They offer significant advantages in reducing pain after:

Shoulder surgery
Hand and arm surgery
Knee and foot surgery

In some cases an operation can be performed with nerve blocks alone, without general anesthesia.

How is the choice made?

One of the questions patients ask most often is: "Which anesthesia is more suitable for me?"

There is no single answer. The decision takes account of:

The planned operation
The patient's age
Accompanying conditions
Current medication
The length of surgery
Expectations after the operation

More than one method may be combined. The aim is always the patient's safety and comfort.

Is the same anesthesia used for every operation?

No.

Even the same operation may be performed with different methods in different patients.

A knee replacement may be done under general anesthesia in one patient, and with spinal anesthesia or nerve blocks in another.

This is why the anesthesia plan is always made individually.