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Title: Effects of concurrent canine Cushing's syndrome and diabetes Mellitus on insulin requirements, trilostane dose, and survival time
Authors: Pérez López, Laura Del Carmen 
Mendoza Bolaños, Paula
Melián Limiñana, Carlos 
UNESCO Clasification: 310904 Medicina interna
Keywords: Canine
Cushing'S Syndrome
Issue Date: 2023
Journal: Research in Veterinary Science 
Abstract: Trilostane and insulin requirements and survival time of dogs with concurrent naturally-occurring Cushing's syndrome (CS) and diabetes mellitus (DM) has not been fully investigated. This retrospective study evaluated trilostane and insulin doses in dogs with concurrent CS and DM compared to dogs with only CS or DM. Additionally, a survival analysis was performed using a Kaplan-Meier survival curve. Survival time was compared through Log-rank test. Cox proportional regression method was used to screen predictor factors of death in dogs with CS, DM or concurrent CS and DM. A total of 95 dogs were included, 47 dogs had CS, 31 dogs had DM and 17 dogs had concurrent CS and DM. After long-term follow-up, dogs with concurrent CS and DM required higher final median doses of insulin than dogs with DM [0.90 (0.73–1.1) vs 0.67 (0.55–0.73) u/kg/12 h; P = 0,002]. Conversely, the median trilostane requirements in dogs with concurrent CS and DM did not differ from the median trilostane requirements of dogs with CS [1.52 (0.76–2.80) vs 1.64 (1.19–4.95) mg/kg/day; P = 0.283]. No statistical difference was found for the median survival time between dogs with CS and dogs with concurrent CS and DM (1245 vs 892 days; p = 0.152). Although, median survival time of dogs with DM was not reached, it was longer than median survival time of dogs with CS and DM (892 days; P = 0.002). In conclusion, diabetic dogs with concurrent CS need higher insulin doses and have a shorter survival time compared to diabetic dogs without CS.
ISSN: 0034-5288
DOI: 10.1016/j.rvsc.2023.06.003
Source: Research in Veterinary Science [ISSN 0034-5288], v. 161, p. 62-68, (Junio 2023)
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