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Topic:Clinical Symptoms
Clinical symptoms in horses encompass a range of observable signs that may indicate underlying health issues, such as disease, injury, or physiological stress. These symptoms can vary widely depending on the condition and may include changes in behavior, appetite, respiratory patterns, or physical appearance. Common clinical symptoms in horses include lameness, colic, coughing, nasal discharge, and changes in body temperature or heart rate. Identifying and interpreting these symptoms is an essential aspect of equine veterinary practice, as they provide critical information for diagnosis and management of health conditions. This page compiles peer-reviewed research studies and scholarly articles that explore the identification, assessment, and implications of clinical symptoms in equine health management.
Standing hand-assisted laparoscopic treatment of left dorsal displacement of the large colon and closure of the nephrosplenic space. To report a standing hand-assisted laparoscopic technique for closure of the nephrosplenic space (NS), and short-term outcome in horses. Methods: Case series. Methods: Horses (n = 12) aged 5-14 years. Methods: Medical records (2007-2010) of horses treated for left dorsal displacement of the large colon (LDDLC) using a hand-assisted laparoscopic correction technique with closure of the NS in the same surgical procedure were reviewed. A modified grid laparotomy in the left paralumbar fossa was used with manual correction of LDDLC, after which the NS was closed with a laparoscopic technique. Foll...
Complications associated with cheek tooth extraction in the horse. Common indications for cheek tooth extraction in the horse include dental fracture, periodontal disease, severe decay/ caries, mandibular fracture with alveolar/tooth involvement, and periapical abscess. Complications secondary to extraction of cheek teeth are prevalent. Typical complications may include retained root tip(s), collateral damage of neighboring teeth and alveolar bone, mandibular fracture non-union or delayed union, cemental ankylosis, dilacerated root(s), oroantral/oronasal fistula, palatal deviation of cheek teeth, bone sequestration, sinus involvement, alveolar plug failure, a...
Ultrasonographic features of PMEL17 (Silver) mutant gene-associated multiple congenital ocular anomalies (MCOA) in Comtois and Rocky Mountain horses. (1) To describe the ultrasonographic appearance of multiple congenital ocular anomalies (MCOA) in the eyes of horses with the PMEL17 (Silver) mutant gene. (2) To compare the accuracy of B-mode ocular ultrasound to conventional direct ophthalmoscopy. Methods: Sixty-seven Comtois and 18 Rocky Mountain horses were included in the study. Methods: Horses were classified as being carriers or noncarriers of the PMEL17 mutant allele based on coat color or genetic testing. Direct ophthalmoscopy followed by standardized ultrasonographic examination was performed in all horses. Results: Seventy-five of 8...
Anesthesia for dystocia and anesthesia of the equine neonate. Equine anesthesia is complicated regardless of the procedure being performed. Anesthesia for the mare experiencing dystocia is complicated by the size of the fetus, positioning of the mare for the procedure, and concern over drug effect on the fetus through the neonatal period. Anesthesia of the neonate is complicated by multiple factors, specifically, sensitivity to the drugs administered. Ventilatory support, minimizing drugs administered, and minimizing anesthesia time are essential for a positive outcome.
Total intravenous anesthesia in horses. Total intravenous anesthesia (TIVA) is the mainstay of short-term (up to 60 minutes) and field anesthesia in horses. This article discusses the pros and cons of TIVA, commonly used TIVA protocols, and their use, monitoring during, and recovery from, TIVA.
Diagnosis of dourine in outbreaks in Italy. Dourine is trypanosomosis that affects equids, it's mainly sexually transmitted. The disease was first eradicated in Italy in the 1940s, but there was then a serious epidemic in the mid-70s. After sporadic reports at the end of the 1990s, in May 2011 it was reported once more. Clinical diagnosis of dourine can be complex, as clinical signs and gross lesions are not always present. Direct laboratory diagnosis is also problematic, given the low number of parasites normally present in infected tissues and the mild, short-lasting parasitaemia. This article describes the epidemiological, clinical a...
Use of continuous positive airway pressure (CPAP) to optimise oxygenation in anaesthetised horses–a clinical study. Hypoxaemia is a common problem during equine anaesthesia. Continuous positive airway pressure (CPAP) is a ventilation mode routinely employed in man to overcome hypoxaemia but has not been objectively assessed in horses. Objective: To test the effects of CPAP on oxygenation and its indices in anaesthetised horses in a clinical setting. Methods: Twenty-four healthy horses requiring anaesthesia in dorsal recumbency were anaesthetised using a standard protocol. Following orotracheal intubation and connection to an anaesthetic machine capable of applying CPAP, horses were randomly allocated to ven...
Retrospective evaluation of facilitated pastern ankylosis using intra-articular ethanol injections: 34 cases (2006-2012). While surgical arthrodesis is the treatment of choice for osteoarthritis of the proximal interphalangeal joint, some clients are unable to pursue surgery due to costs. A more economical technique was sought using intra-articular ethyl alcohol injections to facilitate ankylosis. Objective: To describe the technique and outcome of intra-articular ethyl alcohol injections for facilitated ankylosis of proximal interphalangeal joints with osteoarthritis. Methods: As a retrospective case series, the medical records (2006-2012) of clinical cases diagnosed with proximal interphalangeal joint osteoarth...
Evaluation of regional limb perfusion with erythromycin using the saphenous, cephalic, or palmar digital veins in standing horses. There are no reported studies evaluating the use of erythromycin for regional limb perfusion (RLP) in horses. Our hypothesis was that using the cephalic and saphenous veins for RLP will enable delivery of therapeutic concentrations of erythromycin to the distal limb. Nineteen healthy horses participated in the study. The cephalic, saphenous or palmar digital (PD) vein was used to perfuse the limb with erythromycin. Synovial samples were collected from the metacarpo/metatarso-phalangeal (MCP/MTP) joint and blood samples were collected from the jugular vein. Maximum concentration (C(max)) of ery...
Chronic subdural hematomas and the elderly: Surgical results from a series of 125 cases: Old “horses” are not to be shot! To present the accumulated experience from treating chronic subdural hematomas (CSDH) in a local hospital of a third world country. Methods: One hundred and twenty-five consecutive patients with CSDH who were surgically treated in the Neurosurgical Department of the Hospital da Restauração, Recife-PE, Brazil, between January 2006 and May 2008, were retrospectively studied. Glasgow Outcome Scale (GOS) was employed to define outcome at 6 months as good (GOS 4 and 5) or poor (GOS ≤ 3). Age, admission Glasgow Coma Scale (GCS), location of hematomas (unilateral/bilateral), drainage system place...
Clinical use of antimicrobial regional limb perfusion in horses: 174 cases (1999-2009). To describe the clinical use of regional limb perfusion with antimicrobials (A-RLP), complications, and outcome in a large series of patients. Methods: Retrospective case series. Methods: 174 horses. Methods: Medical records of horses treated with A-RLP between 1999 and 2009 were reviewed. Signalment, primary complaint, horse use, etiology, duration of clinical signs, previous treatment, structures involved, concurrent conditions, A-RLP characteristics, additional treatments, complications, and outcome were recorded. At long-term follow-up, 2 outcomes were investigated: survival rate and retur...
Flow rates of large animal fluid delivery systems used for high-volume crystalloid resuscitation. Large animal species in states of shock can require particularly high flow rates for volume resuscitation and the ability to deliver adequate volumes rapidly may be a rate-limiting step. The objective of this study was to determine the maximum flow rates of common combinations of IV catheter, extension set, and fluid administration sets. Methods: University veterinary teaching hospital. Methods: In vitro experimental study. Methods: Maximum flow rates were measured using combinations of 4 IV catheters (3 14-Ga and a single 10-Ga), 2 IV catheter extension sets (small bore and large bore), and 2...
Excision of the deep branch of the lateral palmar nerve of horses to resolve lameness caused by proximal suspensory desmitis. To assess outcome after neurectomy of the deep branch of the lateral palmar nerve (DBLPaN) as a treatment for horses with persistent lameness associated with chronic proximal suspensory desmitis (PSD) of the thoracic limb. Methods: Case series. Methods: Adult, mixed-breed horses (n = 4), weighing 510-585 kg, used for amateur show-jumping. Methods: Records of 4 horses chronically lame because of PSD of one or both thoracic limbs that were treated by neurectomy of the DBLPaN were reviewed. The site of pain causing lameness was localized using regional anesthesia. The proximal aspect of the suspe...
Corneal stromal abscessation in two horses treated with intracorneal and subconjunctival injection of 1% voriconazole solution. To describe and evaluate intrastromal and subconjunctival injection of voriconazole for the therapy of deep corneal stromal abscess (DSA) in horses. Methods: A retrospective clinical study describing the indications for intrastromal and subconjunctival voriconazole injection and the outcomes of this procedure in two eyes of two horses. Methods: The two horses in this study failed to respond to medical therapy. Treatment with intracorneal and subconjunctival administration of 1% voriconazole was performed in this study. Results: Treatment with intracorneal and subconjunctival administration of ...
Use of physiologic and arterial blood gas variables to predict short-term survival in horses with large colon volvulus. To determine if preoperative physical examination and blood work values, intraoperative physiologic variables, and intraoperative treatments can be correlated with survival to anesthetic recovery and short-term survival to hospital discharge in horses that undergo exploratory celiotomy for large colon volvulus (LCV) with and without colon resection. Methods: Retrospective case series. Methods: Horses (n = 156) undergoing exploratory celiotomy for correction of LCV ≥ 360(ο) . Methods: Medical records (January 2000-December 2009) of horses that had surgical correction of LCV ≥ 360(ο) were ...
Treatment of a bone defect consequent to the removal of a periapical cyst with equine bone and equine membranes: clinical and histological outcome. While deproteinized bovine bone and bovine membranes have been well studied and can yield good results when used to treat bone defects and peri-implant dehiscences, enzymatically deantigenated equine bone and equine membranes have emerged as possible alternative biomaterials. The objective of this study was the clinical and histological assessment of such materials: equine bone granules, an equine collagen membrane and an equine pericardium membrane. Methods: Enzymatically deantigenated equine bone and an equine collagen membrane were used to restore a bone defect caused by the removal of a bo...
Equine articular synovial cysts: 16 cases. To report the clinical findings, diagnosis, treatment and outcome of equine patients with articular synovial cysts. Methods: Retrospective case series. Methods: Horses (n = 16) with articular synovial cysts. Methods: Horses diagnosed with articular synovial cysts (1988-2009) at 2 veterinary teaching hospitals were studied. Signalment, history, clinical signs, diagnostic methods and treatment were retrieved and telephone follow-up was obtained. Results: Sixteen horses with articular synovial cysts were identified. Lameness was the reason for referral in most (n = 9) horses. Diagnosis was based ...
Investigation of a progressive facial deformity and stridor in an adult horse with a bone sequestrum and subsequent sinonasal abscess. Advanced diagnostic imaging and histopathological investigation were performed in an adult horse with chronic facial swelling due to a bone sequestrum and abscessation. In contrast to other cases, there were no draining tracts, difficulty eating, weight loss, head shaking, or fistula formation between the oral cavity and the maxillary sinus. Une investigation d’imagerie diagnostique avancée et un examen histopathologique ont été réalisés chez un cheval adulte présentant de l’enflure faciale chronique attribuable à un séquestre osseux et à une abcédation. Par contraste à d’aut...
Anesthetic management of a horse with traumatic pneumothorax. A traumatic pneumothorax and severe hemorrhage were present in a mare with a large thoracic wall defect, lung perforation, and multiple rib fractures. General anesthesia was induced to allow surgical exploration. We describe the anesthetic technique, and discuss the management of the ventilatory, hemodynamic, and metabolic disturbances encountered. Gestion de l’anesthésie générale d’un cheval avec un pneumothorax d’origine traumatique. Nous décrivons le cas d’une jument présentée avec un important déficit de la paroi thoracique d’origine traumatique, une perforation pulmonaire...
Tenoscopic surgical treatment of tears of the manica flexoria in 53 horses. To determine typical clinical features associated with tears of the manica flexoria (MF) and prognosis for return to athletic function after surgical resection. Methods: Case series. Methods: Medical records (January 2001-December 2011) of horses that underwent tenoscopic surgical treatment of MF tears were reviewed and outcome obtained by telephone questionnaire of owners. Results: Fifty three horses (65 MF tears) were treated; 83% were cobs or ponies. Injuries occurred more frequently in hindlimbs (85%) and effusion of the digital flexor tendon sheath was associated with all MF tears. Follow...
Medical management of sand enteropathy in 62 horses. Medical management of sand enteropathy is common in equine practice, but the clinical features and outcomes associated with medically managed sand enteropathy are not well described. Objective: To review clinical features, therapeutic approaches and outcomes associated with primary medical management of sand enteropathy in the mature horse. Methods: Medical record databases at 3 equine referral hospitals from January 2000 to April 2010 were reviewed for cases of sand enteropathy diagnosed via abdominal radiographs in mature horses that were initially managed medically. Data were collected and ...
Resolution of hyphaema following intracameral injection of tenecteplase in a Stock Horse. Intracameral injection of tissue plasminogen activator has been suggested as a means of hastening the clearance of blood from the anterior chamber and reducing the risk of synechia and fibrotic membrane formation in horses with hyphaema. The following report describes a case of ocular trauma in which intracameral injection of tenecteplase (TNK), a new-generation plasminogen activator, resulted in rapid resolution of hyphaema and successful outcome. However, a large dose (1 mg) was administered and may have been associated with retinopathy and keratopathy. TNK may be an effective treatment for ...
Imaging of the equine proximal suspensory ligament. Injury to the suspensory ligament can result in significant lameness. Multiple imaging modalities may be required to fully characterize injury to the suspensory ligament. Ultrasonography of the suspensory ligament is challenging, due to the normal anatomy. This article describes imaging of the proximal suspensory ligament in the front and hind limbs of the horse.
Use of a deslorelin implant for influencing sex hormones and male behaviour in a stallion – Case report. This case report describes the use of a subcutaneously applied 4.7-mg deslorelin acetate implant in a three-year-old Arabian crossbred stallion showing unwanted strong male behaviour. Following deslorelin acetate implantation the stallion showed a short transitional increase in male behaviour. A 'gelding-like' behaviour was noted 15 days (D15) after treatment. The horse was surgically castrated at the owners request at D52 after treatment. Serum testosterone, oestradiol-17β and oestrone sulphate values decreased after deslorelin acetate implantation, but serum LH and FSH levels remained uncha...
