Page 161 - BSAVA Guide to Pain Management in Small Animal Practice

BSAVA Guide to Pain Management in Small Animal Practice

VetBooks.ir ■ Vasculitis
ypertrophic osteopathy
■
Necrolytic migratory erythema
■
■ New tumour formation.
Therapies and associated side

Cancer therapy and speci cally treatment
related side e ects, can lead to pain. A clinician
should provide multimodal pre emptive
analgesia whenever possible according to the
clinical circumstances aynor, 8 .
Surgery, performed with either therapeutic
or diagnostic intent e.g. tumour biopsy causes Acute radiation therapy side e ect
mucositis in the oral cavity of a almatian
pain. ypically, surgery is associated with acute following treatment for a soft tissue tumour.
pain, which follows bodily in ury and tends to be
self limiting following appropriate healing. Bone necrosis
Ad uvant therapies used in cancer ■
management include radiotherapy and ■ istula formation.
chemotherapy. Although advances in modern Chemotherapy can be associated with pain
treatment planning systems allow for targeted through the drug infusion itself, if extravasation
radiation treatment and a clinician may choose in ury occurs with certain cytotoxics igure
appropriate dosing and fractionation, both . . rug induced neuropathies, although
acute and late side e ects can occur, which can rarely signi cant clinically, are reported with
result in signi cant pain aynor, . ue to cisplatin, vincristine, and vinblastine treatment
the advances in modern planning systems Cudden, .
allowing for targeted radiation and also
appropriate dosing or fractionation , side e ects Inference from human reporting
are controlled during treatment; however, both he similar biological behaviour of neoplasia
acute and late side e ects are described. between species and treatment methods
Acute e ects usually occur weeks after
starting de nitive therapy, and resolve within employed suggests that tumours or inter
weeks. hese may include, depending on ventions associated with pain in humans are
the site of radiation treatment likely to be associated with pain in dogs and cats.
In igure . , examples of some types of
■ Skin reaction, either moist or dry cancers that occur in companion animals and
des uamation which may be associated with signi cant pain
■ ral mucositis following radiation therapy are listed an, .
for nasal or oral tumours igure 7.
■ Proctitis.
Late e ects, which occur months to years
after treatment is completed, are permanent,
irreversible changes. hese occur more
commonly following hypofractionated or
palliative radiation protocols and include

■ cular changes, such as keratocon unctivitis
sicca ull thickness cutaneous necrosis at the
■ Bowel strictures site of extravasation of a chemotherapy
■ Soft tissue brosis drug in a reyhound.

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