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Topic:Disease Treatment
Disease treatment in horses encompasses a range of medical interventions and management strategies aimed at addressing various health conditions affecting equine species. These treatments can include pharmacological approaches, such as the administration of antibiotics, anti-inflammatory drugs, and antiparasitic medications, as well as non-pharmacological methods like physical therapy, dietary adjustments, and surgical procedures. The selection of appropriate treatments depends on the specific disease, its severity, and the individual needs of the horse. This topic brings together peer-reviewed research studies and scholarly articles that explore the efficacy, safety, and advancements in therapeutic options for equine diseases, providing insights into best practices and emerging trends in equine veterinary medicine.
Prevalence, hematology, and treatment of balantidiasis among donkeys in and around Lahore, Pakistan. The prevalence of Balantidium coli among donkeys in Lahore and adjoining areas was surveyed and a trial conducted to determine the efficacy of two antiprotozoal drugs: secnidazole (Dysen Forte) and Kalonji (Nigella sativa). Four-hundred donkeys were examined, and 73 (18.3%) were found positive for Balantidium coli. A slight decrease in PCV and an increase in Hb values of infected donkeys were found after antiprotozoal treatment. Secnidazole was 89.5% effective for the treatment of equine balantidiasis compared to 40.0% for Nigella sativa. This is the first report of balantidiasis in equines fr...
Fungal diseases of horses. Among diseases of horses caused by fungi (=mycoses), dermatophytosis, cryptococcosis and aspergillosis are of particular concern, due their worldwide diffusion and, for some of them, zoonotic potential. Conversely, other mycoses such as subcutaneous (i.e., pythiosis and mycetoma) or deep mycoses (i.e., blastomycosis and coccidioidomycosis) are rare, and/or limited to restricted geographical areas. Generally, subcutaneous and deep mycoses are chronic and progressive diseases; clinical signs include extensive, painful lesions (not pathognomonic), which resemble to other microbial infections. In ...
[Experimental and clinicolaboratory evaluation of complex therapy efficacy in arboviral infections]. Search for drugs efficient in prophylaxis and treatment of dangerous infections (especially arboviral ones) is rather actual, since no specific therapy is available. Many-year investigations of interferon inductors showed that they had immunomodulating, antiviral and antiinflammatory effects and were low toxic. The present study demonstrated that the protective effect was the following: Venezuelan equine encephalitis (VEE)--cycloferon > amixin = ridostin, Rift Valley fever (RVF)--cycloferon > amixin > ridostin, predator pox (PP)--cycloferon > amixin = ridostin, that was obvious tha...
Macrolide- and rifampin-resistant Rhodococcus equi on a horse breeding farm, Kentucky, USA. Macrolide and rifampin resistance developed on a horse breeding farm after widespread use was instituted for treatment of subclinical pulmonary lesions in foals. Resistance occurred in 6 (24%) of 25 pretreatment and 8 (62%) of 13 (62%) posttreatment isolates from affected foals. Drug-resistant isolates formed 2 distinct genotypic clusters.
Pemphigus vulgaris in a Welsh pony stallion: case report and demonstration of antidesmoglein autoantibodies. To describe the clinical, histological and immunological findings of an equine case of pemphigus vulgaris, including the demonstration of antidesmoglein (anti-Dsg) autoantibodies. Methods: The diagnosis of pemphigus vulgaris was confirmed in a 9-year-old Welsh pony stallion with both direct and indirect immunofluorescence and immunoprecipitation studies, the latter identifying circulating anti-Dsg3 IgG. Treatment with immunosuppressive medications was initiated. Lesions were seen in the perineal area, sheath, mane, tail, eyelids, coronary bands and mucosa of the mouth and oesophagus. Initial c...
Longitudinal study of horses for carriage of methicillin-resistant Staphylococcus aureus following wound infections. An outbreak of methicillin-resistant Staphylococcus aureus (MRSA) infections in horses in Sweden raised questions concerning the risk posed by horses to their surroundings following MRSA infections. This initiated a longitudinal study to investigate how long MRSA-infected horses remained positive and to test the sensitivity of different anatomical sampling sites for detection of MRSA. Between October 2008 and June 2010, 9 of 15 horses notified as having MRSA-infected wounds fitted the case criteria for the study. The cases were sampled at five anatomical sites (nostrils, corner of mouth, paste...
Australian plants show anthelmintic activity toward equine cyathostomins in vitro. Anthelmintic resistance in gastrointestinal parasites of horses is an increasing problem, particularly in cyathostomins, and there is a need to find alternative means for the control of these parasites. We screened crude extracts from 37 species of Australian native plants for their anthelmintic activity in vitro against cyathostomin larvae (development from egg to third larval stage), with the aim of identifying those species that may be suitable for incorporation into sustainable parasite management programs. Water extracts from seven species, namely Acacia baileyana, Acacia melanoxylon, Aca...
Equine sarcoidosis: clinical signs, diagnosis, treatment and outcome of 22 cases. Equine sarcoidosis may present as a generalized or localized exfoliative dermatitis and/or as a granulomatous inflammation of multiple organs. Objective: To report the clinical signs, diagnosis, treatment and outcome for 22 horses with histologically confirmed sarcoidosis. Methods: Twenty-two horses of different breeds, between 3 and 17 years of age. Methods: Diagnosis was based on clinical signs and histopathological findings. Results: The following three forms of equine sarcoidosis were identified: generalized (13.6%), partially generalized (18.2%) and localized (68.2%). High-dose systemic c...
Comparison of hair follicle histology between horses with pituitary pars intermedia dysfunction and excessive hair growth and normal aged horses. Pituitary pars intermedia dysfunction (PPID) in older equids is commonly recognized by a long hair coat that fails to shed. Objective: The aim of this study was to compare hair follicle stages in PPID-affected horses with excessively long hair coats with the stages of normal aged horses (controls) and to compare hair follicle stages in PPID-affected horses after 6 months of treatment with pergolide mesylate with those of control horses. Methods: Eight PPID-affected horses and four normal, age-matched, control horses. Methods: Skin biopsies were collected from the neck and rump of PPID-affected...
Anesthesia for ophthalmic procedures in the standing horse. Effective delivery of local anesthesia is essential for successful standing surgical procedures in the horse. Local anesthesia can be used to facilitate examination of the eye, diagnostic procedures, therapeutic techniques, and surgical procedures. Understanding the relevant clinical anatomy and techniques for performing local anesthesia is critical to delivering successful local and regional anesthesia and analgesia.
Inhaled anesthetics in horses. Inhaled agents represent an important and useful class of drugs for equine anesthesia. This article reviews the ether-type anesthetics in contemporary use, their uptake and elimination, their mechanisms of action, and their desirable and undesirable effects in horses.
Recovery of horses from anesthesia. Recovery from anesthesia can be one of the most dangerous and unpredictable elements of providing anesthesia to horses. Strategies to quiet, control, and improve the quality of recovery of horses can be implemented in most situations and circumstances. This article provides an overview of the recovery period and areas where interventions may be practical to clinicians to provide improved care for their equine patients.
Cardiac output monitoring in horses. Cardiac output (CO) is the volume of blood pumped out by the heart in 1 minute. Monitoring of CO can guide therapy and improve clinical outcome in critically ill patients and during anesthesia. Although there is increasing research into clinically useful methods of monitoring CO in equine patients, there are limitations to the available methods. There are 4 basic methods of measuring CO: (1) indicator methods, (2) a derivation of the Fick principle, (3) arterial pulse wave analysis, and (4) imaging diagnostic techniques. This article discusses the importance of CO, available technology, and ch...
Neuromuscular blocking agents and monitoring in the equine patient. This article briefly reviews the physiology of the neuromuscular junction and the pharmacologic mechanisms of neuromuscular blocking agents. The clinical use of modern agents is discussed. Monitoring techniques used to assess the level of neuromuscular block and to exclude residual paralysis at the end of an anesthetic procedure are reviewed.
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...
Equine articular chondrocytes on MACT scaffolds for cartilage defect treatment. Treatment of cartilage defects poses challenging problems in human and veterinary medicine, especially in horses. This study examines the suitability of applying scaffold materials similar to those used for human cartilage regeneration on equine chondrocytes. Chondrocytes gained from biopsies of the talocrural joint of three horses were propagated in 2D culture and grown on two different scaffold materials, hyaluronan (HYAFF®) and collagen (BioGide®), and evaluated by light and electron microscopy. The equine chondrocytes developed well in both types of materials. They were vital and physiol...
Equine disease surveillance: quarterly summary. Equine infectious anaemia in Europe Equine herpesvirus in the UK Summary of surveillance testing, July to September 2012 These are among matters discussed in the quarterly equine disease surveillance report for July to September 2012, prepared by Defra, the Animal Health Trust and the British Equine Veterinary Association.
The efficacy of rabbit antithymocyte globulin with cyclosporine in comparison to horse antithymocyte globulin as a first-line treatment in adult patients with severe aplastic anemia: a single-center retrospective study. Antithymocyte globulin (ATG) is the drug of choice for immunosuppressive therapy (IST) in patients with severe aplastic anemia (SAA) ineligible for allogeneic stem cell transplantation. Recently, rabbit ATG with cyclosporine A has been used as a first-line IST regimen in patients with SAA because of unavailability of horse ATG. We retrospectively analyzed adult SAA patients who were treated with horse ATG (n=46) or rabbit ATG (n=53) between Feb 2001 and May 2010 to compare hematologic response and survival. Overall response rates at 3, 6, 12, and 18 months were similar in both the horse and ra...
Validated UHPLC-MS-MS method for rapid analysis of capsaicin and dihydrocapsaicin in equine plasma for doping control. A method involving ultra high-performance liquid chromatography-tandem mass spectrometry was developed and validated for the analysis of capsaicin and dihydrocapsaicin in equine plasma. The analytes were recovered from plasma by liquid-liquid extraction using methyl tert-butyl ether and separated on a sub-2 micron column. The mobile phase was composed of 2 mM ammonium formate and methanol. A triple quadrupole mass spectrometer was used to detect the analytes in positive electrospray ionization mode with selected reaction monitoring. The limits of detection, quantification and confirmation for ...
Pharmacokinetics of ganciclovir and valganciclovir in the adult horse. Equine herpes myeloencephalopathy, resulting from equine herpes virus type 1 (EHV-1) infection, is associated with substantial morbidity and mortality in the horse. As compared to other antiviral drugs, such as acyclovir, ganciclovir has enhanced potency against EHV-1. This study investigated the pharmacokinetics of ganciclovir and its oral prodrug, valganciclovir, in six adult horses in a randomized cross-over design. Ganciclovir sodium was administered intravenously as a slow bolus at a dose of 2.5 mg/kg, and valganciclovir was administered orally at a dose of 1800 mg per horse. Intravenousl...
Expression of scleraxis and tenascin C in equine adipose and umbilical cord blood derived stem cells is dependent upon substrata and FGF supplementation. Recovery from tendon injury is based on long periods of rest, which results in sub-optimal repair, often replacing tendon with fibrocartilage scar tissue. Recently, the use of stem cells in equine tendon repair has been attempted with variable success. The objective of this work was to determine the expression of scleraxis (scx) and tenascin C (TnC), two markers of tenocytes, in adipose (AdMSC) and umbilical cord blood (UCB) stem cells during culture on various substrata and in response to fibroblast growth factor (FGF) treatment. Equine UCB and AdMSC were cultured on gelatin-coated plasticwar...
Evaluation of contact heat thermal threshold testing for standardized assessment of cutaneous nociception in horses – comparison of different locations and environmental conditions. The aim of the study was to evaluate the performance of contact heat thermal stimulation in horses at different body sites and under different environmental conditions and different test situations. Five warm-blood horses were equipped with the thermal probe located on the skin of nostril (N), withers (W) or coronary band (C). Skin temperature and reaction temperature (thermal threshold) at each location were measured and percent thermal excursion (% TE = 100 * (threshold temperature - skin temperature)/(cut-out temperature - skin temperature) was calculated. Environmental conditions were ...
Hand-assisted laparoscopic ovariectomy and colpotomy in standing mares. To determine the feasibility of hand-assisted laparoscopic ovariectomy via colpotomy for bilateral ovariectomy in standing mares. Methods: Case series. Methods: Mares (n = 21) aged 2-21 years, weighing 312-582 kg. Methods: After a pilot study in 6 mares, the technique was used in 15 mares. Ovaries were identified and manipulated using 2 laparoscopic portals in the left paralumbar fossa. Transection and hemostasis of the ovarian pedicle was achieved using a LigaSure Atlas™ or chain écraseur. Ovaries were removed through a colpotomy by an assistant. Results: In 19 mares, both ovaries were suc...
Effect of a stent bandage on the likelihood of incisional infection following exploratory coeliotomy for colic in horses: a comparative retrospective study. Incisional infections are common in horses after colic surgery. There is a clinical impression that the use of a stent bandage reduces the prevalence of such infections. Objective: To determine the effect of a stent bandage on the likelihood of incisional infection after ventral midline exploratory coeliotomy. It was hypothesised that the use of a stent bandage would reduce the likelihood of incisional infection. Methods: Medical records of horses that underwent exploratory coeliotomy for colic between January 2005 and September 2011 were reviewed. Inclusion criteria were animals that had one ...
The accuracy of the National Equine Database in relation to vector-borne disease risk modelling of horses in Great Britain. The National Equine Database (NED) contains information on the size and distribution of the horse population, but the data quality remains unknown. These data could assist with surveillance, research and contingency planning for equine infectious disease outbreaks. Objective: 1) To assess the extent of obsolete and missing data from NED, 2) evaluate the extent of spatial separation between horse and owner location and 3) identify relationships between spatial separation and land use. Methods: Two questionnaires were used to assess data accuracy in NED utilising local authority passport inspect...
