The dog survived 20 months after diagnosis. Although olfactory neuroblastoma is a rare tumour in dogs, aggressive local therapy may allow for prolonged survival, even when the tumour is advanced.
All dogs had histological evidence of metastasis to lymph nodes, with no clinical evidence for metastasis to viscera. Eight dogs that received chemotherapy had a median estimated survival of 219 days (range 77-1638 days); 1- and 2-year estimated survival rates were 37.7%. Median survival time for 4 dogs with nodal metastases that did not receive chemotherapy was 57 days (range 39-136 days) with none alive 1 year after surgery CONCLUSION: Survival for dogs with only regional nodal metastases from HS appeared to be improved by adjuvant chemotherapy.
To the best of our knowledge, this case is the first report of piroxicam and doxycycline used to treat SCC in a bottlenose dolphin. The treatment was successful in reducing the clinical presentation of the disease.
Two investigations have been carried out. The first studied the effects of autonomic blockade on the cardiovascular response to a step test, a 50% maximum isometric grip test and a Valsalva manoeuvre: the step test was of 5 minutes duration and the other two for as long as possible. J3 adrenergic blockade by propanolol diminished the blood pressure and pulse rate response to both the step test and isometric grip. The pulse rate response to the step test was also affected by cholinergic blockade with atropine. The response to the Valsalva test showed a cholinergic blockade effect of pulse rate alone and a blood pressure reponse alone on ccadrenergic blockade by phenoxybenzamine.The second studied psychological stressing on physical and mental ability. A potential 'punishment' situation increased the blood pressure and pulse rate response to isometric grip while decreasing the time for which it could be maintained. A potential 'reward' situation increased both the maximum grip and the time for which 50% grip could be maintained.It is concluded that psychological factors can affect performance dependent on whether the situation is perceived as one of 'reward' or 'punishment'. A factor in the mediation of the adverse response is an inappropriate response of the autonomic nervous system.
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