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Without the aid of modern anaesthetics,
many surgical procedures would be made impossible. But, as any anaesthetist
will tell you, general anaesthetics are not without their risks.
This page is intended to give an outline of the preparation you
need to make before your pet has a general anaesthetic at
the Barrier Animal Care Clinic, together with the methods we use
for reducing the inherent small risk involved.
All animals will be weighed on admission so that drug
amounts can be calculated accurately. Drugs administered will include
a pre-med, which contains a sedative and usually a pain killer (analgesic).
The sedative reduces any anxiety the animal may have and reduces
the amount of anaesthetic agents needed.
The painkiller provides pain relief for the procedure and usually
the recovery period.
It is given before the pain/discomfort starts so therefore it has
more effect.
After the painkiller has had time to act the animal, e.g. cat or
dog, is then anaesthetised using modern drugs, such as propofol
- a drug used to anaesthetise humans. After this has taken effect
the patient is intubated to secure its airway. An anaesthetic circuit
is then attached so anaesthetic gas (isoflurane) and oxygen can
be administered along with monitoring equipment.
Many animals will have various areas of their coat hair clipped
- depending on the procedure. Some will have just a small patch
over the foreleg clipped for the injection site. Other animals will
need a larger area clipped for intravenous catheters.
When your pet needs a surgical procedure an area significantly
larger than the operation site will be clipped. A large area is
necessary so that the operation site can be cleaned appropriately.
The surgeon often has to hold the surgical wound wide open so there
needs to be no risk of contamination from any stray hair.
The area will be gently scrubbed with an antiseptic preparation
solution following clipping of the hair to skin level.
Once the animal is positioned in the operating room the area is
again washed over and then scrubbed with the cleansing preparation.
While the nurse performs this the vet is free to 'scrub up' before
wearing a sterile operating gown and sterile gloves.
A final spray of antiseptic is applied before the surgeon covers
the area with sterilised drapes and opens the sterilised instrument
set.
Preparation for your pet's general anaesthetic:
There are a few simple preparations to make when your
pet is going to have an anaesthetic or sedation:
Adult cats and dogs must not be allowed to eat from 8pm the night
before admission and can have access to water until 8am the morning
of admission
Young cats and dogs (under 6 months) must have a normal meal between
6-7am on the morning of admission
Please bring your pet to the clinic between 8-9am on the day of
admission, unless instructed otherwise
A vet or qualified veterinary nurse will admit your pet
You will be asked to sign a consent form. Ensure that you know
what your daytime telephone numbers will be, and that you leave
them with us. Legally, the person who signs the consent form must
be over 16 years of age.
You will be asked at admission whether you wish your pet to have
a pre-sedation/general anaesthetic
blood test. If you wish to have more information on this blood
test before the day, please contact us.
You will also be asked at admission whether you wish your pet to
have an identichip placed whilst under sedation/general anaesthetic.
The cost of the identichip is £10 cheaper if performed at
this time.
If you wish us to provide an estimate of the cost of the procedure,
we will provide one for you. Remember - this is an estimate, not
a quote.
If you wish us to perform any other procedure on the day, such
as a dental scale and polish, please inform us at admission
Reducing anaesthetic risk:
As previously mentioned, general anaesthetics are not without
an element of risk. But where a general anaesthetic is necessary,
we can minimise the risk to your pet by careful examination beforehand,
together with a knowledge of any existing conditions they may have
and the results of any pre-anaesthetic
blood testing. These allow us to tailor an anaesthetic regime
that is most suitable for your pet.
Where abnormalities are known to exist, it is possible to give supportive
therapy for the duration of the anaesthetic - for example, intravenous
fluids for older pets or pets with known kidney insufficiency -
and/or change the anaesthetics used to minimise stress on the abnormal
organs. In the event that severe abnormalities are detected prior
to the planned administration of an anaesthetic, the risk to the
patient versus the benefit of the procedure must be weighed up.
In this circumstance, no further action would be taken without lengthy
consultation with the pet's owner.
During a general anaesthetic, each animal
is carefully monitored and a detailed record is kept of administered
anaesthetics and the patient's vital signs. We monitor breathing
rate, Heart rate and concentration of oxygen in the blood via special
monitors.
The information from these monitors allows us to determine the patient's
level of anaesthesia, and make appropriate adjustments to the drugs
being given where necessary.
If you have any further queries regarding any of the information
we have presented here, or you are concerned about your pet having
an anaesthetic, please contact the clinic
and we can discuss any of these matters with you further.
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