Welcome back to the second lecture in
the animal models in biomedical research training program.
In this lecture, we are going to speak mainly about analgesia,
then we're also going to cover anesthesia monitoring and perioperative care.
But the main focus from this lecture is analgesia.
Aims from this lecture is to understand
why analgesia is important in laboratory animal sciences,
to know how we do pain assessment,
how we treat pain during the perioperative period,
to know a little bit about local and regional anesthesia or analgesia.
Understand a little bit about anesthesia monitoring and post-anesthesia procedures.
Starting by the definition of pain,
the International Association for the Study of Pain defines,
"Pain is an unpleasant sensory and
emotional experience associated with actual or potential tissue damage,
or described in terms of such damage."
You see highlighted what I think it's important issues in this definition.
Pain is an unpleasant sensory. A sensation is different from person to person,
animal to animal, etc and it has an emotional component.
It's an emotional experience and is
actually associated with actual or potential tissue damage.
That may mean that it's not compensated,
sometimes the painful stimulus is there.
Pain is a distressing feeling,
often caused by intensive or damaging stimuli.
Pain is a complex and subjective phenomenon.
In the context of this definition,
we know that it's not easy to define pain.
Defining pain has been a challenge, especially in animals,
the issue is relatively new and there was quite a lot of
discussion about pain between my colleagues.