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Home » Archive » 2020

TDK conference 2020

Anesthesia complications in horses at the Department and Clinic of Equine Medicine between 2014 and 2019
Kocsis Flóra - year 6
University of Veterinary Medicine Budapest, Department and Clinic of Equine Medicine
Supervisor: Dr. Emese Bódai

Abstract:

In recent decades, anesthesiology has undergone significant development in both the human and veterinary fields. As a result, the risk of anesthesia has been significantly reduced, mainly due to the ever-renewing supply of drugs and evolving monitoring techniques. Unfortunately, in the case of horses, the complication of anesthesia and the subsequent mortality are still a hundred times higher than in humans, and approx. there are twenty times more fatal complications than in dogs.

Numerous studies have also been performed in horses evaluating complications from general anesthesia and mortality rates. The largest study was the CEPEF (Confident Inquiry of Perioperative Equine Fatality) 1-3, and a number of smaller-scale studies were also conducted on this topic.

In the present study, we based the surgeries performed at the Department and Clinic of Equine Medicine between 2014 and 2019 and examined the complications that occurred within 7 days after the intervention. We also examined how the results obtained relate to foreign trends. In case of lack of data, we excluded the individual from the study, so out of the 1460 surgeries performed, 1279 were finally included in our research.

A wide variety of interventions have been performed, but the most common types of surgery are arthroscopy (400), colic (242), and castration (208). The anesthetic complications that occurred were: sudden cardiac arrest, bone fracture, post-anesthetic myopathy, neuropathy, airway obstruction, colic, wound healing disorder, pneumonia, thrombophlebitis.

Based on the literature, anesthesia complications can be related to the conditions of anesthesia, e.g. anesthesiologist training, night work, anesthesia length, laying, etc., and patient parameters (ASA category, age, body size, etc.). In our research, we discovered correlations between these characteristics and the incidence and type of complications.

The mean anesthesia time was 149.51 + - 65.4 minutes. We found a significant correlation between the length of anesthesia time and the onset of complication (p-value = 0.0000002249), but no correlation was found between elective and emergency surgeries and anesthesia time, nor between age and complications. Unfortunately, we could not draw conclusions about the weight of the horses due to the missing data. Internationally, in the case of planned surgeries for healthy horses, the mortality rate is surprisingly high, at approx. It was 1%, compared to only 0.1% here.



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