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Topic:Post-Operative Period
The post-operative period in horses refers to the timeframe following surgical procedures during which the animal undergoes recovery and rehabilitation. This period involves careful monitoring and management to ensure proper healing and to minimize complications. Key aspects of the post-operative period include pain management, wound care, and the prevention of infections. Horses may require restricted movement, dietary adjustments, and regular veterinary evaluations to assess recovery progress. This page compiles peer-reviewed research studies and scholarly articles that explore the management strategies, physiological responses, and outcomes associated with the post-operative period in equine patients.
Surgical management of complete diaphyseal third metacarpal and metatarsal bone fractures: clinical outcome in 10 mature horses and 11 foals. Osteosynthesis of third metacarpal (McIII) and third metatarsal (MtIII) bone fractures in horses is a surgical challenge and complications surrounding the repair are common. Retrospective studies evaluating surgical repair, complications and outcome are necessary to increase knowledge and improve success of long bone fracture repair in the horse. Objective: To evaluate clinical findings, surgical repair, post operative complications and outcome of 10 mature horses and 11 foals with McIII or MtIII fractures that were treated with open reduction and internal fixation (ORIF). Methods: Medical rec...
Diaphragmatic hernia in horses: 44 cases (1986-2006). To present a case series of horses diagnosed with diaphragmatic hernia, and to determine the significance of (1) historical information, examination findings, and laboratory data; and (2) exploratory laparotomy or necropsy findings on short- and long-term outcome. Methods: University Referral Hospital. Methods: Retrospective study. Methods: Forty-four horses/foals admitted between 1986 and 2006 with a diagnosis of diaphragmatic hernia made either at exploratory laparotomy or necropsy. Methods: None. Results: Information from the medical records included history, clinical examination findings a...
Pneumocephalus secondary to removal of an osteoma from the paranasal sinuses of a horse. A 2-year-old Quarter Horse was evaluated because of a progressive left-sided facial deformity and unilateral nasal and ocular discharge. Results: Physical examination revealed convexity of the left frontonasal region, left-sided nasal and ocular discharge, and decreased air flow through the left nares. Radiography and computed tomography revealed an extensively mineralized mass occupying most of the left paranasal sinuses. Results: The mass was surgically debulked, but complete removal was precluded because the mass was tightly adhered to the frontal and maxillary bones. Results of histologic ...
Evaluation of the cranial cruciate ligament repair system(®) in surgery for laryngeal hemiplegia in heavy draft horses. The purpose of this study was to evaluate the effect of the canine cranial cruciate ligament repair system on laryngeal hemiplegia in heavy draft horses. Twenty-four heavy draft horses diagnosed with grade 4 laryngeal hemiplegia were allocated to either the prosthetic laryngoplasty (PL) group (n=14) or a canine cranial cruciate ligament repair system (CCCLRS) group (n=10). Right to left angle quotients (RLQs) of abductions of the arytenoid cartilages were endoscopically evaluated before and after surgery. Post-operative RLQs in the CCCLRS group were significantly lower than those of the PL gro...
Postoperative ileus: pathogenesis and treatment. Surgical manipulation of the intestines activates intestinal macrophages that release cytokines and nitric oxide, which results in inhibition of intestinal motility. Subsequent infiltration of circulating leukocytes into the intestinal wall contributes to cytokine and nitric oxide release and exacerbates ileus. Other factors contributing to ileus are endotoxemia; edema of the intestine wall subsequent to excessive fluid therapy; hypocalcemia; and long abdominal incisions. Because treatment of ileus with prokinetic drugs has not proven to be very effective, efforts should be directed at reducin...
Changes in dynamic trunk/head stability and functional reach after hippotherapy. To determine if hippotherapy (therapy using a horse) improves head/trunk stability and upper extremity (UE) reaching/targeting in children with spastic diplegia cerebral palsy (SDCP). Methods: Pre-postoperative follow-up with a 12-week intervention and 12-week washout period after intervention. Methods: A human performance laboratory with 6 camera video motion capture systems for testing. Methods: Eleven children (age 5-13y, average 8y) with SDCP, 8 children (age 5-13y, average 8y) without disabilities. Methods: Hippotherapy intervention performed at 3 therapeutic horseback riding centers. Met...
Laparoscopic mesh incisional hernioplasty in five horses. To report a technique for incisional hernioplasty in horses using laparoscopic placement of a prosthetic mesh. Methods: Case series. Methods: Horses (n=5) with ventral median abdominal incisional hernia. Methods: A telescope and 2 instrument portals were established bilaterally, lateral to and distant from the hernia margins. After exposure of the internal rectus sheath by removal of retroperitoneal fat with endoscopic scissors and monopolar cautery, a prosthetic mesh was introduced into the abdomen and secured intraperitoneally using transfascial sutures with or without supplemental endoscopi...
Treatment of a periarticular tibial fracture in a foal with a hybrid external fixator. To report repair of a right proximal tibial Salter-Harris type II fracture in a foal with a hybrid external fixator (HEF). Methods: Case report. Methods: A 5-month-old male foal. Methods: After open surgical reduction, an HEF built with wires, 2 half-rings, 3 half-threaded connecting rods, and Schanz pins was used to stabilize the fracture. Results: Immediately after surgery, the foal had relatively good weight bearing. The HEF was removed at 60 days after radiographic confirmation of healing. Conclusions: HEF can be used to stabilize a proximal tibial Salter-Harris type II fracture in a 5-mon...
Surgical treatment of gastric outflow obstruction in 40 foals. To report short- and long-term survival and factors affecting outcome of foals after surgical correction of gastric outflow obstruction. Methods: Case series. Methods: Foals (n=40) aged 5-180 days. Methods: Clinical signs, laboratory data, diagnostic imaging, surgical findings, surgical procedures, medical treatment, and necropsy findings were retrieved from medical records. Outcome was obtained by reviewing performance, sales, and produce records or by telephone conversations with the owners. Results: Gastric outflow obstruction was treated by gastroduodenostomy or by gastrojejunostomy with o...
Prevalence of and risk factors for postoperative ileus after small intestinal surgery in two hundred and thirty-three horses. To determine the incidence of postoperative ileus (POI) in a population of horses after small intestinal surgery and the effect of multiple variables on development of POI. Methods: Case series. Methods: Horses (n=233) aged > or =1 year that had exploratory celiotomy for small intestinal disease that recovered from surgery from 1995 to 2005. Methods: Sixty-eight variables were collected from medical records (1995-2005) for each horse. POI was defined as nasogastric reflux volume >20 L over 24 hours or >8 L at any single time after surgery. Results: Twenty-seven percent (64/233) of hor...
Arthroscopic removal of metallic foreign body from the talocrural joint using a magnetic retriever in a horse. To report use of a magnetic retriever for arthroscopic removal of a metallic foreign body from the equine talocrural joint. Methods: Clinical report. Methods: A 2-year-old Warmblood stallion. Methods: A metallic foreign body was removed from a talocrural joint using a 10-mm magnetic retriever under arthroscopic guidance. Preoperative radiographs were used to locate the intra-articular position of the foreign body. Results: Six months after surgery, the horse was no longer lame. Conclusions: A magnetic retriever can be used for arthroscopic removal of metallic foreign bodies from the equine tal...
Multivariate analysis of factors associated with post-anesthetic times to standing in isoflurane-anesthetized horses: 381 cases. To identify anesthesia-related variables which may independently predict time to standing in horses anesthetized with ketamine/diazepam/isoflurane. Methods: Retrospective case series. Methods: Three hundred and eighty-one horses. Methods: Case records were searched for the years 2000-2003 and 381 horses older than 12 months which weighed at least 200 kg were identified. Data were extracted from the records, and only horses that were anesthetized with xylazine, ketamine, diazepam and isoflurane were included in the analysis. Multiple linear regression was used to relate time to standing with de...
Long-term outcome in 44 horses with stifle lameness after arthroscopic exploration and debridement. To (1) examine the outcome in horses with osteoarthritis or intra-articular soft tissue injuries of the stifle after arthroscopic exploration and debridement and (2) to determine any imaging or surgical findings that may influence prognosis. Methods: Case series. Methods: Horses (n=44) with lameness referable to the stifle, diagnosed with osteoarthritis, meniscal tears, or other intra-articular soft tissue injuries based on arthroscopic examination. Methods: Medical records of horses with stifle lameness that had arthroscopic exploration were reviewed. Horses with osteochondrosis lesions, intr...
A limited surgical approach for pastern arthrodesis in horses with severe osteoarthritis. Osteoarthritis of the proximal interphalangeal joint (PIPJ) is a common cause of chronic lameness in the horse that requires surgical arthrodesis when medical management is no longer able to alleviate pain. Surgical principles for successful PIPJ arthrodesis include articular cartilage debridement and rigid fixation. To completely debride articular cartilage, the collateral ligaments and extensor tendon are transected, disarticulating the joint. The purpose of this study was to demonstrate that in chronically lame horses with periarticular new-bone formation and osteoarthritis, successful arth...
Ventral locking compression plate for treatment of cervical stenotic myelopathy in a 3-month-old warmblood foal. To report a novel technique for cervical vertebral fusion in a foal with cervical vertebral malformation (CVM). Methods: Case report. Methods: A 3-month-old Warmblood filly with ataxia, weakness, and stenotic myelopathy at the level of the articulation of the 6th (C6) and 7th (C7) cervical vertebrae had a 7-hole broad locking compression plate (LCP) applied to the ventral aspect of C6 and C7 using seven 5.0-mm locking screws. Revision surgery was required to replace the self-drilling screws, which had migrated, with longer non self-drilling screws. Fusion and growth of the vertebrae were monit...
Traumatic perforation of the trachea in two horses caused by orotracheal intubation. Two of 348 horses that underwent gastrointestinal surgery under general anaesthesia developed perforations in their tracheas caused by the endotracheal tube. In one case the damage was probably caused when the horse was being moved from the induction room for surgery and excessive traction was exerted on the tube when the anaesthetic machine was moved too far ahead of the horse. The trachea of the other horse may have been damaged when it was intubated.
Evaluation of anesthesia recovery quality after low-dose racemic or S-ketamine infusions during anesthesia with isoflurane in horses. To compare anesthesia recovery quality after racemic (R-/S-) or S-ketamine infusions during isoflurane anesthesia in horses. Methods: 10 horses undergoing arthroscopy. Methods: After administration of xylazine for sedation, horses (n = 5/group) received R-/S-ketamine (2.2 mg/kg) or S-ketamine (1.1 mg/kg), IV, for anesthesia induction. Anesthesia was maintained with isoflurane in oxygen and R-/S-ketamine (1 mg/kg/h) or S-ketamine (0.5 mg/kg/h). Heart rate, invasive mean arterial pressure, and end-tidal isoflurane concentration were recorded before and during surgical stimulation. Arterial blood...
Caudal compression of the infraorbital nerve: a novel surgical technique for treatment of idiopathic headshaking and assessment of its efficacy in 24 horses. REASONS FOR DESIGNING AND REPORTING TECHNIQUE: Idiopathic headshaking has remarkable similarities to human neuropathic facial pain syndromes associated with post herpetic and trigeminal neuralgia. These derive from abnormal sensory function within the peripheral or central pathways of the trigeminal nerve (TgN). Limiting input from the TgN can be helpful in controlling the perception of pain. Rhizotomy of the infraorbital branch of the TgN as it emerges from the infraorbital canal has been reported but has a poor efficacy. A novel technique involves compression of the nerve at a more caudal lo...
Short-term anaesthesia with xylazine, diazepam/ketamine for castration in horses under field conditions: use of intravenous lidocaine. Lidocaine single boluses and/or constant rate infusions are commonly administered intraoperatively during inhalant anaesthesia to lower inhalant concentrations, promote or maintain gastrointestinal motility, and potentially supplement analgesia. The benefits of using lidocaine with injectable anaesthesia for field surgeries has not been fully explored to determine advantages and disadvantages of lidocaine as an anaesthetic and analgesic adjunct in these conditions and impact on recovery quality. Objective: To evaluate the use of systemic lidocaine with a standard field injectable anaesthetic p...
Postanesthetic brachial triceps myonecrosis in a Spanish-bred horse. This report describes a case of postanesthetic brachial triceps myonecrosis affecting only the left forelimb of a horse. A fatal unilateral postanesthetic myonecrosis has not been previously reported in the horse. This article describes the factors in the horse's history, the anesthetic protocol, and the treatment that may have led to this condition. Ce rapport décrit un cas de myonécrose postanesthésique du triceps brachial affectant seulement la patte avant gauche. Une myonécrose postanesthésique unilatérale mortelle n’avait pas encore été signalée chez le cheval. Le présent art...
Retrospective study of perioperative antimicrobial use practices in horses undergoing elective arthroscopic surgery at a veterinary teaching hospital. Perioperative antimicrobial administration practices were evaluated retrospectively in 97 horses undergoing elective arthroscopy, and antimicrobial use was compared with standard recommendations for perioperative prophylaxis. Parenteral antimicrobials were administered perioperatively to 95/97 (98%) horses, 88 of which received intravenous sodium penicillin. Time from 1st dose until 1st incision ranged from 30 to 390 min [142 +/- 55.6 min, mean +/- standard deviation (s), median 135 min], and the first incision was performed greater than 2 half-lives after administration of sodium penicillin i...
Risk factors for equine postoperative ileus and effectiveness of prophylactic lidocaine. Postoperative ileus (POI) is a frequent and often fatal complication of colic surgery. Reliably effective treatments are not available. Objective: To determine risk factors and protective factors associated with POI, and to assess the effect of lidocaine IV on short-term survival. Methods: One hundred and twenty-six horses that underwent small intestinal colic surgery and that survived for at least 24 hours postoperatively. Methods: Retrospective cross-sectional study. The association of 31 pre-, intra-, and postoperative variables with POI and the association of lidocaine treatment with short...
Cecal rupture in foals–7 cases (1996-2006). The objective of this study was to identify risk factors and describe clinical signs in 7 foals with cecal rupture; none of the foals survived. Six foals had undergone general anesthesia; 5 for orthopedic procedures. Six of the foals were receiving nonsteriod anti-inflammatory drugs. Most foals started showing colic signs on day 2 after surgery, preceded in 3 cases by dullness. Cecal rupture occurred between 4 hours and 2 days after the first signs of colic were noticed. Intestinal motility was decreased or absent in all foals for which it was recorded.Foals undergoing general anesthesia shoul...
Transparent equine collagen biomatrix as dural repair. A prospective clinical study. Numerous materials have been used to replace defects in the dura mater as result of neurosurgical and spinal procedures. Tissudura is a biomatrix made of cross-linked equine collagen fibrils, mainly of the interstitial type I. The specially engineered dura-like layered structure provides a non porous primary water tight structure, is transparent and allows verification of the efficacy of cerebral hemostasis. Methods: A consecutive series of patients between 18 years and 75 years of age were prospectively enrolled from three separate European institutions between May 2007 and February 2008. All...
[Surgical treatment of canker involving all hoofs in a warmblood gelding]. The following case report describes the treatment of canker in a 14 years old warmblood gelding. The horse showed the typical appearance with caseous surface and early detachment of the superficial horn layers. The histological results show a severe degradation in the germinal layer of the epidermis of the frog. Surgical therapy under general anaesthesia was performed. On all limbs a tourniquet was applied and all abnormal tissue in the region of the frog and also the subdermal tissue underneath were removed. Postoperatively the horse was treated with hoof bandages for 2 weeks. Treatment plate...
Racing performance after combined prosthetic laryngoplasty and ipsilateral ventriculocordectomy or partial arytenoidectomy: 135 Thoroughbred racehorses competing at less than 2400 m (1997-2007). The success of combined prosthetic laryngoplasty with ipsilateral ventriculocordectomy (LPVC) has not been compared to that of partial arytenoidectomy (PA) in a clinical population. Objective: In Thoroughbred (TB) racehorses: (1) earnings after LPVC are unaffected by the severity of recurrent laryngeal neuropathy (RLN) (laryngeal grade III vs. grade IV); (2) LPVC and PA yield similar results in the treatment of grade III RLN; (3) performance outcome following PA is independent of diagnosis (RLN vs. unilateral arytenoid chondritis [UAC]); and (4) neither LPVC nor PA returns horses to the level ...
Surgical resection of a dysgerminoma in a mare. A mare was referred for further evaluation of a mass found in the left caudal abdomen during a routine postpartum reproductive palpation. The mare was clinically normal with no history of health problems. Ultrasonographic examination of the mass confirmed its presence, but the origin of the mass could not be accurately determined. Routine haematology and serum biochemistry results were within normal limits. The mare was initially treated conservatively with antibiotics, but the mass continued to increase in size, so it was surgically excised. The mass involved the left ovary. The mare showed t...
Limb fracture during recovery from general anaesthesia: an often tragic complication of equine anaesthesia. A 10-year-old Thoroughbred mare was presented for lameness of the left hindlimb as a result of an apical fracture of the lateral proximal sesamoid bone. The mare was ultimately euthanased after suffering catastrophic fractures of the 3rd and 4th metatarsal bones of the contra-lateral hindlimb during an uncoordinated attempt to rise during recovery from general anaesthesia after undergoing arthroscopic surgery. The case report focuses mostly on horse anaesthesia-related mortality, anaesthetic procedure in the horse, possible causes of fractures in horses during recovery and ways in which rate o...
Castration of horses under total intravenous anaesthesia: analgesic effects of lidocaine. To evaluate the effects of local anaesthesia with lidocaine for castration of horses under intravenous anaesthesia. Methods: Prospective, randomized, blinded clinical trial. Methods: Fifteen equidae, scheduled to undergo castration under total intravenous anaesthesia, were randomly distributed in two groups. One group received lidocaine injections (group L: two ponies, four horses, two donkeys) and the other received saline (group S: two ponies, three horses, two donkeys). Methods: Behaviour, heart rate (HR) and respiratory rate (f(R)) were evaluated prior to anaesthesia. Body mass was measure...
