Historically, the evaluation and assessment of the clinical response to treatment for canine back pain is subjective and relies on owner and clinician assessment of pain. This study evaluated the use of sequential infrared thermal images as a measure of the response of canine patients with back pain to a prescribed series of photobiomodulation therapy (PBMT) treatments. Qualifying participants had histories of pain and dysfunction associated with spinal osteoarthritis or intervertebral disk disease, or of non-specific uni- or bilateral back pain along the paravertebral epaxial muscles. Each patient was initially thermally imaged prior to PBMT treatment and then received multiple PBMT treatments delivered to the appropriate spinal area on days 1, 2, 3, and 4. Participants were reimaged on day 7. Thermal images provided an objective measure of superficial temperature changes over the area of PBMT treatment of each patient after the PBMT regimen. The temperature correlated with statistically significant changes in Colorado State University Canine Chronic Pain Scale scoring (CPS) and owner assessment using the Canine Brief Pain Inventory (CBPI), which includes a Pain Severity Score (PSS) and Pain Interference Score (PIS). The correlation of objective thermal imaging data with more subjective outcome measures suggests thermal imaging may be a valuable additional tool in monitoring therapy outcome.
Th e development of non-invasive, non-toxic, and non-pollutant methods for the treatment of diff erent illnesses represents a constant concern of scientists from the medical fi eld worldwide. In this category fi t the methods based on the use of laser systems, which are successfully applied both in human and veterinary medicine due to the special properties of laser radiation: monocromaticity, coherence, intensity, and directionality. Th e aim of this paper is to present the laser systems used in several domains of veterinary medicine and some experimental results obtained by diff erent authors.
Historically, the evaluation and assessment of the clinical response to treatment for canine back pain is subjective and relies on owner and clinician assessment of pain. Sequential infrared thermal images (IRTIs) objectively measure the patient’s physiological response after a prescribed series of photobiomodulation therapy (PBMT) treatments. Qualifying participants had histories of pain and dysfunction associated with spinal osteoarthritis or intervertebral disk disease, or of non-specific uni- or bilateral back pain along the paravertebral epaxial muscles. Each patient was initially IRT imaged prior to PBMT treatment and then received multiple PBMT treatments delivered to the appropriate spinal area on days 1, 2, 3, and 4. Participants were reimaged on day 7. IRT images provided an objective assessment of the physiologic status of each patient after the PBMT regimen. The thermal changes in IRT images correlated with statistically significant changes in Colorado State University Canine Chronic Pain Scale scoring (CSU-CCPS) and owner assessment using the Canine Brief Pain Inventory (CBPI), which includes a Pain Severity Score (CBPI-PS) and Pain Interference Score (CBPI-PI). This proof-of-concept study demonstrates that IRTI provides an objective evaluation of response to PBMT treatment and correlates with observed and measured clinical response.
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