A comparison of transcutaneous, transrectal, and hand-assisted laparoscopic abdominal ultrasonography in standing horses

Document Type : Original Article

Authors

1 Surgery Department, Faculty of Veterinary Medicine, Kafrelsheikh University, Kafrelsheikh, 33516, Egypt

2 Department of Veterinary Clinical Sciences, Purdue University, West Lafayette, IN 47907-2026, USA

Abstract

Objective: The study was designed to compare three imaging modalities transcutaneous (TC), transrectal (TR), and hand-assisted laparoscopic ultrasonography (HALU) for evaluation of the abdominal viscera in the horse, and compared against the gold standard of actual measurements from each organ at post-mortem (PM) examination after 30 days of surgery
Methods: Six non-pregnant mares were examined with TC, TR, and HALU. The TC and HALU were performed with the same probe so that a more accurate resolution comparison could be made.  Measurements were taken from each of the different ultrasound images.
Results: The measurements obtained with HALU were much closer to that obtained with the PM examination and more accurate than those obtained with TC and TR ultrasonography.  The measurements obtained with TR are more accurate than those obtained with the TC.  This illustrates the accuracy of HALU ultrasound compared to TC and TR ultrasonography.
Conclusions and Clinical Relevance: It was obvious via subjective and objective results of image analysis that HALU was far more accurate and had better resolution than TC and TR. TC and TR ultrasonography would be recommended to be used as an initial screening method to evaluate the abdominal viscera, but if more details regarding organ structure are needed, HALU should be performed without reservation.
 
 
 
 
 

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