Evaluation of diaphragmatic movement measuring the excursion index with ultrasonography in dogs
DOI:
https://doi.org/10.22579/20112629.542Keywords:
diaphragmatic paralysis, dog, M-mode ultrasonographyAbstract
The ultrasonographic examination is a portable, non-invasive, repeatable technique that can assess the dynamic movements of the diaphragm. There are several causes for diaphragmatic dysfunction or paralysis, including anesthetic drugs, phrenic nerve injury, postoperative cardiac, thoracic or abdominal surgery; neuromuscular, infectious or metabolic diseases, critical patient comorbidities such as sepsis or prolonged mechanical ventilation complications. The study included forty-eight dogs that where either hospitalized or admitted for elective surgery without cardiorespiratory disease signs. They were evaluated following Global FAST protocol. The diaphragmatic movement was evaluated in M mode and the excursion diaphragmatic index was measured in three different positions. Three dogs were excluded due to their ultrasonographic findings. The same anesthetic protocol was used for the dogs admitted for elective surgery. There was no statistical difference between the dogs evaluated in the three different positions. The excursion diaphragmatic index of the hospitalized dogs compared to anesthetized dogs in right lateral recumbency (RLR) and dorsal recumbency (DR) was significantly different (p <0,01). Mode M ultrasonographic examination is a useful tool to measure the excursion diaphragmatic index in dogs because it provides quantitative information for the evaluation of the dynamic function of the diaphragm. Anesthetic drugs can cause a significant reduction of the excursion diaphragmatic index which, if not evaluated and detected promptly, can cause complications anesthetic.Downloads
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