The physical examination has several stages, one of which is the measurement of body temperature, when it exceeds the physiological values is indicative of some disease or hyperthermia, for this in veterinary medicine the mercury or digital thermometer is commonly used. The objective of this work is to compare if there is a difference between the mercury thermometer and the infrared thermometer or digital thermometer, as well as to identify if there is a difference between the measurement locations with the infrared thermometer and the mercury column thermometer and digital thermometer. Infrared temperature was evaluated in three places: oral mucosa, pinna and anal or vaginal mucosa (females), then a digital thermometer, followed by mercury, which was used as a reference standard. There was a statistical difference between the mercury thermometer and the infrared thermometer, when measured on the anal or vaginal mucosa and on the oral mucosa. The infrared thermometer, in the ear, and the digital thermometer did not differ from the mercury thermometer, demonstrating that these present similar values during the temperature measurement. The infrared thermometer proved to be little invasive and fast when compared to the others. However, some limitations were observed in the measurement of body temperature with the infrared thermometer measured in the ear. It is concluded that the infrared thermometer, used in the ear, and the digital thermometer are equivalent to the mercury thermometer and can be used in horses, however, more studies on this topic are still needed.
Background: Platelet-rich plasma (PRP) has been increasingly used to hasten healing of tendonitis and desmitis, allowing horse athletes to go back to practicing sports in a shorter period of time. However, its use has rarely been reported in the treatment of desmitis of the collateral ligaments of the distal interphalangeal joint (CL-DIP), which is based on the use of horseshoes and rest for at least six months. This paper describes the use of PRP as an aid in the treatment of CL-DIP in a horse athlete. Case: A male Criollo horse, 450 kg, about 15-year-old, used for paleteada. The animal had a month-long history of lameness, and a visual inspection revealed an increase in volume in the lateral dorsal region of the limb proximal to the coronary band of the hoof. A specific examination of the locomotive system showed Grade III, Category 5 claudication, which became evident the beginning of the exercise and ceased after a short period. A radiographic evaluation of the distal phalanx revealed no clinically relevant changes. Therefore, and in view of the location of the increased volume, an ultrasound scan was performed, which showed an image compatible with an extensive hematoma in the region underlying the perioplic corium, while the CL-DIP presented swelling with large areas of hypoechogenicity. Considering the findings of the image, the physical examination and the history of the horse, desmitis of the collateral ligaments of the distal interphalangeal joint was diagnosed. The treatment plan consisted of rest, application of a therapeutic horseshoe, and infiltration of the lesion with platelet-rich plasma (PRP). First, however, warm compresses were applied to reduce the swelling. The PRP was obtained by collecting whole blood from the external jugular vein, subjecting it to double centrifugation, and separating the supernatant blood plasma. The end product was applied to the lesion by ultrasound-guided infiltration. The horseshoe was a model with extended side bar, i.e., an egg bar horseshoe. After 15 days of PRP infiltration, another ultrasound scan was performed, which showed improved echogenicity of the ligament. The animal was discharged, and rest and the use of the horseshoe for 6 months were recommended. However, the owner expressed interest in having his horse participate in a high level team roping event, which was slated to take place two months hence. In view of this plan, rest was recommended for a further 15 days, followed by a gradual return to the exercise until the moment of the competition, which should be interrupted if the animal displayed any sign of lameness. The animal performed well in the competition, showing no loss of performance due to locomotor changes. Discussion: Locomotor disorders in the digit region are common in Creole horses, and one of the affected structures in this area is the CL-DIP. Desmitis of this ligament is characterized by acute claudication in animals without radiographic abnormalities, and can be diagnosed based on ultrasound scans. The main cause of this disorder stem...
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