SummaryA postal questionnaire was sent to anaesthetic clinical tutors in the United Kingdom describing two hypothetical 75-year-old patients requiring abdominal surgery. Patient 1 (ASA 2) required elective anterior resection and patient 2 (ASA 3-4) required emergency laparotomy. There was a 65% response rate. For patient 1, 98.5% of respondents would insert an epidural, 93% inserting this awake and 50% placing it in the high-mid thoracic region. All respondents would use local anaesthesia (concentration varied four-fold) and 62% would use opioids. All respondents would place the epidural pre-operatively; although 36% would administer the epidural block preoperatively and 3% postoperatively. For patient 2, 70% of respondents would insert an epidural (p < 0.0001), drug administration would be more frequently delayed until postoperatively (13%); p = 0.0005) and epidural opioid use decreased (57%); p = n ⁄ s. Epidural insertion influenced the postoperative destination in 42% of departments. Use of a critical care facility was anticipated for more than half of these patients; 60% reported difficulty accessing critical care beds.
Non-steroidal anti-inflammatory drugs (NSAIDs) are the most commonly used analgesic medications in human and veterinary medicine. In osteoarthritis they are used for their anti-inflammatory and analgesic actions. A number of NSAIDs are licensed for use in dogs in the UK, and are affordable and easy to administer. However, their use is associated with a range of side effects, which can become particularly relevant in cases that require long-term treatment. This article reviews the adverse effects of NSAIDs and the current monitoring procedures in animals and people on long-term NSAID therapy. Emerging and alternative procedures for monitoring these patients are also discussed.
ObjectiveTo report the medium and long-term outcome of nine dogs with disk-associated cervical spondylomyelopathy (DA-CSM), treated by instrumented interbody fusion using patient specific end-plate conforming device that features a micro-porous structure to facilitate bone in-growth.Study designA retrospective clinical study.AnimalsNine medium and large breed dogs.MethodsMedical records at two institutions were reviewed between January 2020 and 2023. Following magnetic resonance imaging (MRI) diagnosis of DA-CSM, pre-operative computed tomography (CT) scans were exported to computer software for in-silico surgical planning. Interbody devices were 3D-manufactured by selecting laser melting in titanium alloy. These were surgically implanted at 13 segments alongside mono-or bi-cortical vertebral stabilization systems. Follow-up included neurologic scoring and CT scans post-operative, at medium-term follow up and at long-term follow-up where possible. Interbody fusion and implant subsidence were evaluated from follow-up CT scans.ResultsNine dogs were diagnosed with DA-CSM between C5-C7 at a total of 13 operated segments. Medium-term follow up was obtained between 2 and 8 months post-operative (3.00 ± 1.82 months). Neurologic scoring improved (p = 0.009) in eight of nine dogs. Distraction was significant (p < 0.001) at all segments. Fusion was evident at 12/13 segments. Subsidence was evident at 3/13 operated segments but was only considered clinically relevant in one dog that did not improve; as clinical signs were mild, revision surgery was not recommended. Long-term follow up was obtained between 9 and 33 months (14.23 ± 8.24 months); improvement was sustained in 8 dogs. The dog that suffered worsened thoracic limb paresis at medium-term follow up was also diagnosed with immune-mediated polyarthropathy (IMPA) and was euthanased 9 months post-operative due to unacceptable side-effects of corticosteroid therapy.ConclusionEnd-plate conforming interbody devices with a micro-porous structure were designed, manufactured, and successfully implanted in dog with DA-CSM. This resulted in CT-determined fusion with minimal subsidence in the majority of operated segments.Clinical significanceThe technique described can be used to distract and fuse cervical vertebrae in dogs with DA-CSM, with favorable medium-and long-term outcomes.
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