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Topic:Complications
Complications in horses refer to unexpected medical or surgical issues that arise during the course of treatment or recovery. These complications can affect various systems within the horse's body and may result from underlying conditions, medical interventions, or environmental factors. Common complications in equines include laminitis, colic, infections, and respiratory issues. Each complication presents distinct clinical challenges and requires careful management to mitigate adverse outcomes. This section compiles peer-reviewed research studies and scholarly articles that explore the incidence, etiology, management strategies, and outcomes associated with complications in equine health.
Nephrectomy via ventral median celiotomy in equids. To report technique for, and outcome after, nephrectomy through a ventral median celiotomy in equids. Methods: Case series. Methods: Equids with unilateral renal disease (n = 6), aged 2 months to 18 years, weighing 90-434 kg. Methods: A ventral median celiotomy was used to access the left or right kidney. To facilitate surgical exposure, the small intestine was reflected towards the diaphragm using laparotomy sponges and the ascending colon was exteriorized and in some cases evacuated. The peritoneum over the affected kidney was incised and blunt dissection used to free the kidney from the ret...
Postoperative septic arthritis after elective equine arthroscopy without antimicrobial prophylaxis. To determine the frequency of postoperative septic arthritis after elective arthroscopy in the absence of prophylactic antimicrobial therapy and to report complication rate of 444 consecutive equine arthroscopies. Methods: Retrospective case series. Methods: Horses (n = 444). Methods: Medical records of 444 consecutive elective equine arthroscopies (2008-2010) were reviewed. Horses that had septic arthritis on admission or those admitted for tenoscopy and bursoscopy, or had arthroscopic assisted internal fracture fixation were not included. Age and sex of horse, duration of anesthesia, joint e...
[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...
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...
Comparison of two antimicrobial regimens on the prevalence of incisional infections after colic surgery. Appropriate durations of perioperative antimicrobial therapy following exploratory coeliotomy in horses are controversial, and with the rising prevalence of multiresistant bacteria there is a strong incentive to use antimicrobials for the shortest time possible. Following exploratory coeliotomies, incisional infections are an important cause of morbidity in horses and could be influenced by the duration of systemic antimicrobial therapy. The aim of this study was to investigate whether 72 hours of perioperative antimicrobial therapy is as effective as 120 hours at preventing the development of...
Risk factors associated with cast complications in horses: 398 cases (1997-2006). To determine the frequency of and risk factors for complications associated with casts in horses. Methods: Multicenter retrospective case series. Methods: 398 horses with a half-limb or full-limb cast treated at 1 of 4 hospitals. Methods: Data collected from medical records included age, breed, sex, injury, limb affected, time from injury to hospital admission, surgical procedure performed, type of cast (bandage cast [BC; fiberglass tape applied over a bandage] or traditional cast [TC; fiberglass tape applied over polyurethane resin-impregnated foam]), limb position in cast (flexed, neutral, o...
Outcome after arthroscopic treatment of lateral femoral trochlear ridge osteochondrosis in sport horses. A retrospective study of 37 horses. To determine the short- and long-term outcome for sport horses after arthroscopic treatment of osteochondrosis of the lateral trochlear ridge of the femur. Methods: A retrospective study was performed using the medical records of horses intended for use as English sport horses. Outcome was obtained through telephone questionnaire. Results: Thirty-seven horses, mainly Warmbloods, underwent arthroscopic surgery for treatment of lateral femoral trochlear ridge osteochondrosis. Short-term outcome revealed that 27 of 37 horses had no complications. Seven horses had postoperative lameness and effusi...
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...
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 ...
Pelvic flexure enterotomy closure in the horse with a TA-90 stapling device: a retrospective clinical study of 84 cases (2001-2008). Our objective was to compare survival and complication rates of horses undergoing pelvic flexure enterotomy closure with a TA-90 stapler to those with hand-sewn closure. Medical records of horses undergoing pelvic flexure enterotomy between 2001 and 2008 were reviewed. History, clinical signs, surgical findings, surgical techniques, and post-operative complications were recorded. Long-term outcome was established by telephone questionnaire. Of 84 pelvic flexure enterotomies performed, 70 were stapled and 14 were hand-sewn. Seventy-seven horses survived to discharge (91.7%). There were no signi...
Survival rates of mares and foals and postoperative complications and fertility of mares after cesarean section: 95 cases (1986-2000). To assess survival-to-discharge rates of mares and foals and postoperative complications and fertility in mares following cesarean section (C-section). Methods: Retrospective case series. Methods: 95 mares. Methods: Medical and breeding records of mares that underwent C-section were reviewed; signalment, surgical technique, complications, survival-to-discharge rate, and pregnancy and foaling rates were recorded and evaluated. Foaling rates in the 3 years after C-section were compared with the cumulative foaling rate before C-section. Results: C-section was performed because of dystocia (n = 71...
Intra and postoperative assessment of re-sterilised Ligasure Atlas for orchidectomies in horses: clinical study. Horses (n=35) underwent orchidectomy in a single institution with a re-sterilised LSA as sole means of haemostasis. During the surgery, the gross quality of the seal, the stickiness of the forceps to the tissues, bleeding/oozing from the stump and the need for a subsequent application in already severed spermatic cord were assessed for haemostasis quality. After surgery, physical parameters (appearance of the mucous membranes, quality of the peripheral pulse, heart rate, respiratory rate, rectal temperature and blood dripping from the incisions), haematology or packed cell volume and total pro...
Ileal impaction and jejunal enterotomy in a 4-month-old Arabian filly. A 4-month-old Arabian filly was treated by surgical correction of an ileal impaction. The impaction was resolved through a distal jejunal enterotomy. One-year follow-up showed no post-operative complications secondary to the enterotomy. Jejunal enterotomy may be a surgical option for resolution of an ileal impaction. Une pouliche Arabe âgée de 4 mois a été traitée par la correction chirurgicale d’une surcharge iléale. La surcharge a été résolue par une entérotomie jéjunale distale. Un suivi d’un an n’a pas montré de complications postopératoires suite à l’entérotomie. L...
Evaluation of a laryngotomy approach for near-total resection of the nasal septum in the horse. To report a laryngotomy approach for the removal of the nasal septum in adult horses. Methods: Descriptive study. Methods: Horses (n = 10). Methods: Near-total resection of the nasal septum was made using a modification of a previously reported 3-wire technique using a trephination approach and a 2-wire technique using a laryngotomy approach. Surgical time, ease of technique, complications, and outcome were recorded. At 45 days, horses were euthanatized and septal measurements made. Results: Near-total resection of the nasal septum was accomplished with both techniques without complications. I...
Retrospective study of 103 presumed cases of tick (Ixodes holocyclus) envenomation in the horse. Review 103 cases of presumed tick envenomation in horses. Methods: Retrospective study. Methods: Variables, including date of presentation, age, breed, weight, presence of ticks, gait and respiration scores, duration of recumbency, treatment, outcome and complications were recorded. A series of univariable screening tests were performed and used in a multivariable logistic regression model. Results: There were a total of 103 cases affecting 10 breeds, aged between 1 week and 18 years of age. Horses >6 months old and weighing >100 kg had a higher odds of death than those...
Endoscopic-assisted electrohydraulic shockwave lithotripsy in standing sedated horses. To report use of transendoscopic electrohydraulic shockwave lithotripsy for fragmentation of urinary calculi in horses. Methods: Case series. Methods: Male horses (n = 21). Methods: Fragmentation of cystic calculi (median, 6 cm diameter; range, 4-11 cm diameter) was achieved by transurethral endoscopy in standing sedated horses using an electrohydraulic shockwave fiber introduced through the biopsy channel of an endoscope. The fiber was advanced until it contacted the calculus. Repeated activation of the fiber was used to disrupt the calculus into fragments <1 cm diameter. Visibility within...
Caudal anaesthesia of the infraorbital nerve for diagnosis of idiopathic headshaking and caudal compression of the infraorbital nerve for its treatment, in 58 horses. Idiopathic headshaking is often a facial pain syndrome, but a diagnostic protocol has not been described. In a previous study, caudal compression of the infraorbital nerve for treatment offered a fair success rate, but low case numbers and short follow-up time were limitations. Objective: To describe a diagnostic protocol for headshaking, examining the role of bilateral local analgesia of the posterior ethmoidal nerve (PET block). To report longer-term follow-up after surgery of the original cases and further cases and to determine whether changes to the technique influence success rates and c...
Trans-arterial coil embolization of the internal carotid artery in standing horses. To develop transarterial coil embolization (TACE) for occlusion of the internal carotid artery (ICA), in normal standing horses, and to evaluate it use for prevention of hemorrhage in horses with guttural pouch mycosis (GPM). Methods: Prospective study. Methods: Normal horses (n = 8) and 5 with GPM. Methods: Horses had TACE of the ICA in standing position under fluoroscopic guidance. Four normal horses were euthanatized 2 weeks after TACE for morphologic assessment and 4 were followed for 6 months. The 5 clinically affected horses were evaluated for long-term (10-12 months) success rate and co...
Carbon dioxide laser photoablation adjunctive therapy following superficial lamellar keratectomy and bulbar conjunctivectomy for the treatment of corneolimbal squamous cell carcinoma in horses: a review of 24 cases. To determine the complications and nonrecurrence rates following superficial lamellar keratectomy, bulbar conjunctivectomy, and adjunctive carbon dioxide (CO(2)) photoablation for corneolimbal squamous cell carcinoma (SCC) in the horse. Methods: Retrospective study. Sample population Twenty-four horses with corneolimbal SCC. Methods: Medical records of horses diagnosed with corneolimbal SCC that was surgically excised and where CO(2) photoablation was used as an adjunctive therapy from 2000 to 2007 were reviewed. Signalment, prior therapy, tumor location and size, complications,...
A retrospective comparison of surgical removal and subsequent CO2 laser ablation versus topical administration of mitomycin C as therapy for equine corneolimbal squamous cell carcinoma. To compare the complications and nonrecurrence rate following topical mitomycin C (MMC) therapy vs. CO(2) laser ablation for treating equine corneolimbal squamous cell carcinoma (SCC). Methods: Retrospective study. Methods: Twenty-five horses with corneolimbal SCC. Methods: Medical records of horses undergoing surgical tumor resection followed by either topical MMC therapy (0.04%) or CO(2) laser ablation between the years of 2004 and 2010 were reviewed. Recurrence and complications were compared between groups and within MMC subgroups defined by the time at which treatment was ...
Unilateral and bilateral laparoscopic ovariectomy in 157 mares: a retrospective multicenter study. To evaluate surgical techniques, perioperative complications and outcome of laparoscopic surgery for unilateral and bilateral ovariectomy in mares. Methods: Retrospective multicenter case series. Methods: Mares (n = 157). Methods: Indications for surgery were neutering, fertility problems, elimination of hormone-related abnormal behavior, ovarian tumors as well as nonregressive ovarian hematomas or cysts. Ovariectomy (n = 206) were performed by a standard laparoscopic procedure in 157 standing sedated mares. Dissection and hemostasis were achieved by using either (1) a linear stapling device, ...
Use of a suprapatellar pouch portal and laparoscopic cannula for removal of debris or loose fragments following arthroscopy of the femoropatellar joint of 168 horses (245 joints). To validate the safety of a suprapatellar pouch (SPP), approach to the femoropatellar joint (FPJ), and describe use of a laparoscopic cannula to remove debris or loose bodies. Methods: Retrospective case series Methods: Horses (n = 168) with osteochondritis dissecans (OCD) of the FPJ. Methods: Arthroscopy was performed on 245 FPJ with OCD. Two subpatellar portals were created, 1 axial and 1 abaxial to the lateral patellar ligament. Additionally, a SPP egress portal for lavage, was created 2 cm proximal to the most palpable dorsolateral eminence of the patellar base. A 10-mm laparoscopic cannul...
Standing ovariectomy in mares using a transvaginal natural orifice transluminal endoscopic surgery (NOTES®) approach. To develop and assess the feasibility of standing transvaginal Natural Orifice Transluminal Endoscopic Surgery (NOTES®) ovariectomy in the mare. Methods: Descriptive study. Methods: Mares (n=10). Methods: The technique was developed in 6 mares and then evaluated in a short-term study in 4 mares. Abdominal access was developed using controlled access vaginal cannula placement under endoscopic guidance. With viewing provided by a flexible endoscope, hemostasis, and transection of ovarian pedicles was performed using a customized bipolar vessel-sealing device. The ovaries were retrieved and the ...
Complications after two transphyseal bridging techniques for treatment of angular limb deformities of the distal radius in 568 Thoroughbred yearlings. Surgical correction of carpal angular limb deformities by growth retardation is commonly undertaken with a screws and tension band wire loop technique (S&W) or a single transphyseal screw (STS). This study compares complications after S&W and STS bridging in the distal radius of Thoroughbred yearlings. Objective: To compare the prevalence of complications serious enough to require follow-up radiographs following either S&W or STS surgery for growth manipulation in the distal radius of Thoroughbred yearlings. Methods: Medical records and radiographs from Thoroughbred yearlings (age ...
Management of hindlimb proximal suspensory desmopathy by neurectomy of the deep branch of the lateral plantar nerve and plantar fasciotomy: 155 horses (2003-2008). Neurectomy of the deep branch of the lateral plantar nerve and plantar fasciotomy have become accepted as methods of treatment of proximal suspensory desmopathy (PSD), but there are limited long-term studies documenting the outcome. Objective: To describe long-term follow-up in horses with PSD alone or with other injuries contributing to lameness and poor performance, including complications, following neurectomy and fasciotomy. Methods: Follow-up information was acquired for 155 horses that had undergone neurectomy and fasciotomy for treatment of PSD between 2003 and 2008. Success was classif...
Comparison of primary closure of incisional hernias in horses with and without the use of prosthetic mesh support. Repair of incisional hernias in horses has been described previously; however, this report describes the outcome of primary closure of incisional hernias in a large number of horses and compares these results with those of mesh implantation. Objective: To report the perioperative care, complications and long-term outcome of primary closure of incisional hernias in horses and to compare these results with a second population of horses in which prosthetic mesh was used. Methods: Medical records of horses undergoing an incisional herniorrhaphy between 1998 and 2009 were reviewed. Information obta...
Influence of mechanical manipulations on the local inflammatory reaction in the equine colon. Large intestinal diseases in horses are characterised by inflammation, which could arise from the disease process with some contribution from intestinal manipulation. The effects of the latter are unknown but important to surgeons and could contribute to post operative complications. Objective: To characterise type and degree of intestinal inflammation induced by various mechanical stimuli in the equine ascending colon. Methods: Laparotomy was performed in 12 horses, the left dorsal colon exteriorised and 3 segments randomly exposed to different mechanical manipulations: 1) enterotomy, 2) ente...
Correction of Lower Limb Deformities Using Ilizarov’s Technique. India accounts for approximately 10 million orthopaedically handicapped children and adults with limb deformity. Ilizarov ring fixator could treat most of these deformities. Methods: Twenty cases of deformities of lower limb managed with Ilizarov technique during period between March 2001 and February 2003 were studied. Results: 55% were in the age group of 11-30 years. Out of the 20 cases studied, 6 were congenital talipes equino varus, 8 were fixed flexion deformity of knee, 4 were equines deformity of the ankle and 2 were malunited fracture shaft of tibia.4 patients who had recurrence were ...
Computed tomography or magnetic resonance imaging-assisted partial hoof wall resection for keratoma removal. To (1) describe the computed tomography (CT) and magnetic resonance imaging (MRI) appearance of keratomas; (2) describe a CT- or MRI-assisted partial hoof wall resection technique for removal of keratomas; and (3) evaluate the morbidity and postoperative outcome of these horses. Methods: Case series. Methods: Horses (n=10) with keratoma. Methods: Data retrieved from medical records included signalment, lameness duration and grade, physical and diagnostic evaluation findings, CT and MRI technique and findings, surgical details, histopathologic diagnosis, postoperative treatment, and complicatio...
