Application of veterinary B-ultrasound in veterinary surgery

1. Application during surgery Veterinary B-ultrasound is of great help in surgical positioning. Ultrasound-guided puncture technology has the advantages of being intuitive, fast, accurate, and less invasive. It has been widely used in the medical community and plays an important role in the diagnosis and treatment of diseases. B-ultrasound has been used to monitor the artificial cultivation of bezoar in cattle and to guide the bile extraction surgery of live bears. During the entire process of bile extraction from live bears, especially when the gallbladder changes due to infection or foreign body stimulation, B-ultrasound exploration is particularly important. At present, since there are very few cases of kidney transplantation in veterinary clinics and it is occasionally used when precious dog breeds suffer from uremia, the use of B-ultrasound for kidney transplantation surgery is also relatively rare. After kidney transplantation, understanding the condition of the transplanted kidney is very valuable for understanding post-transplant rejection, renal abscess, post-operative hematoma, and urine exudation.

2. Diagnosis of traumatic diseases

(1) Intraspinal observation after lumbar disc herniation and resection Veterinary B-ultrasound has a good effect in diagnosing dog disc herniation, spinal dislocation, and spinal cord compression. Veterinary B-ultrasound can diagnose whether the dog's hip joint is abnormally developed, with an accuracy rate of over 87%. B-ultrasound can examine the changes in the spinal canal after lumbar disc herniation surgery. The probe can clearly show the fluctuation of the dura mater, the diameter of the spinal canal, and the anatomical and pathological changes around the anterior wall of the lumbar spinal canal and the nerve roots through the gap after the lamina is removed; it can also show epidural fat fibrosis, disappearance of the epidural space, and mass-like echoes at the lesion after the disc is removed due to interference and damage caused by surgery.

(2) Diagnosis of visceral injury? For abdominal trauma, veterinary B-ultrasound can more accurately determine whether the internal organs are damaged, the location, degree and amount of internal bleeding of the damaged organs, and provide a basis for veterinary clinical diagnosis so as to select treatment options. B-ultrasound examination results are positive for liver, spleen, and kidney parenchymal organs in sick animals with contusion and rupture, which are manifested as different degrees of enlargement and morphological changes of the damaged organs, uneven parenchymal density, disordered echoes, and irregular liquid dark areas in the abdominal cavity. However, when hollow organs are injured or perforated, or small blood vessels in the abdominal cavity are ruptured, veterinary B-ultrasound can only show dark areas of fluid in the abdominal cavity, and it is generally difficult to directly see the injury image, which is easy to miss. Currently, B-ultrasound has been used to guide abdominal puncture and liver puncture examination, which helps to diagnose diseases in a timely and correct manner.

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