@article{01HK7R8ZXGCQ3E3FP44V6T2M2G,
  abstract     = {{This retrospective study aimed to assess the incidence of hypotension and the subsequent administration of dobutamine in horses anesthetized with isoflurane and romifidine during elective surgery. Time from induction of anaesthesia to administration of dobutamine was registered, as well as the time and dose needed to restore mean arterial pressure (MAP) >= 70 mmHg. Additionally, the influence of patient and anaesthesia related parameters on the need for dobutamine supplementation was evaluated. In total, 118 horses were included in this retrospective study. Dobutamine was administered to effect when MAP<70 mmHg. Data registered: patient weight, acepromazine premedication, body position, administration of intraoperative ketamine bolus, locoregional anaesthesia, mechanical ventilation, duration of anaesthesia, dose and duration of dobutamine administration, heart rate, MAP before dobutamine administration, MAP and time required to increase MAP >= 70 mmHg. Dobutamine infusion was needed in 54.2% of the horses 30 +/- 17 min after isoflurane-romifidine anaesthesia started. Dobutamine 0.55 +/- 0.18 mu g kg(-1) min(-1) achieved a MAP >= 70 mmHg in 12 +/- 8 min. Duration of dobutamine infusion was 56 +/- 37 min. An univariable logistic regression showed a significant association between dobutamine and acepromazine administration (p = 0.01; OR = 3.43), anaesthesia time (p = 0.02; OR = 2.41) and dorsal recumbency (p < 0.001; OR = 8.40). In a multivariable logistic regression, only dorsal recumbency significantly increased the need for dobutamine supplementation (p < 0.001; OR = 7.70). There was no significant association between patient weight (p = 0.11; OR = 1), locoregional anaesthesia (p = 0.07; OR = 0.47), administration of a ketamine bolus (p = 0.95; OR = 0.98) or volume controlled ventilation (p = 0.94; OR = 1.04) and dobutamine administration. Low doses of dobutamine were suitable to restore MAP above 70 mmHg within a limited time period. Only dorsal recumbency increased the need of dobutamine administration.}},
  articleno    = {{105119}},
  author       = {{Ruíz López, Patricia de la Paz and Schauvliege, Stijn and Gasthuys, Frank and Haspeslagh, Maarten}},
  issn         = {{0034-5288}},
  journal      = {{RESEARCH IN VETERINARY SCIENCE}},
  keywords     = {{General Veterinary,Romifidine,Isoflurane,Hypotension,Dorsal recumbency,Dobutamine,Acepromazine}},
  language     = {{eng}},
  pages        = {{6}},
  publisher    = {{Elsevier}},
  title        = {{Dobutamine use in horses during romifidine and isoflurane anaesthesia}},
  url          = {{http://doi.org/10.1016/j.rvsc.2023.105119}},
  volume       = {{167}},
  year         = {{2024}},
}

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