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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.
Use of a motorized morcellator for elective bilateral laparoscopic ovariectomy in standing equids: 30 cases (2007-2013). To describe the use of a motorized morcellator for elective bilateral laparoscopic ovariectomy in standing equids and to evaluate long-term outcome. Methods: Retrospective case series. Methods: 30 equids (20 horses, 9 mules, and 1 pony). Methods: Medical records of equids undergoing elective bilateral laparoscopic ovariectomy from 2007 to 2013 were evaluated. Cases were selected on the basis of use of a motorized morcellator for ovary extraction. Data collected included age, breed, reason for surgery, surgery date, surgical approach, intraoperative complications, surgery and morcellation times...
Visual outcomes of phacoemulsification cataract surgery in horses: 1990-2013. To evaluate the long-term visual outcome of phacoemulsification lens extraction surgery in foals and horses and identify any unique postoperative complications that affect the visual outcome. Methods: This is a retrospective medical records study of phacoemulsification cataract surgery in 95 foals and horses from 1990 to 2013. Results: Cataracts were removed by phacoemulsification from 111 eyes of 95 horses ranging in age from 22 days to 26 years (average 8.0 ± 5.7 years). Forty-four of the 95 animals were foals (46.3%). Sixteen horses or foals had surgery bilaterally. One hundred and two eye...
Current treatment of ascending colon volvulus in horses: a survey of ACVS Diplomates. To report the results of a survey of opinions on current treatments and estimated outcomes of ascending colon volvulus in horses. Methods: Web-based survey. Methods: American College of Veterinary Surgeons (ACVS) Diplomates (n = 151) who perform gastrointestinal surgery in horses. Methods: ACVS Diplomates with credentials in the large animal specialty obtained by examination in 2010 or earlier (n = 410) were solicited by e-mail to complete a web-based survey designed to determine ascending colon volvulus treatment preferences and outcomes. Results: Responses were obtained from 162 ACVS Diploma...
Headshaking in 5 horses after paranasal sinus surgery. To report headshaking and presumptive trigeminal neuritis as a potential complication after paranasal sinus surgery in horses. Methods: Retrospective case series. Methods: Horses (n = 5) that developed headshaking within 45 days of paranasal sinus surgery. Methods: Medical records (2007-2010) of horses that had been evaluated for headshaking after paranasal sinus surgery were reviewed. Results: Of 5 horses that developed headshaking within 45 days of paranasal sinus surgery, resolution occurred after treatment in 2 horses. One horse was euthanatized because clinical signs associated with h...
Coil embolization of a palatine artery pseudoaneurysm in a gelding. To describe successful transarterial coil embolization of a palatine artery pseudoaneurysm that extended into the caudal maxillary sinus of a gelding. Methods: Clinical report. Methods: A 24-year-old Morgan gelding with right-sided epistaxis. Methods: The right maxillary sinus was imaged by radiography, computed tomography, and sinoscopy. Angiography was performed to locate the source of bleeding, and transarterial coil embolization of a right palatine artery pseudoaneurysm was performed. Results: There was some mucoid nasal discharge and an intermittent cough postoperatively. No epistaxis was...
Surgical treatment of 4 horses for cryptorchidism caused by failure of regression of the cranial suspensory ligament of the testis. To report surgical management of 4 horses with cryptorchidism caused by failure of regression of the cranial suspensory ligament (CSL). Methods: Retrospective case series. Methods: Cryptorchid horses (n = 4). Methods: Horses with unilateral or bilateral cryptorchidism caused by failure of regression of the CSL were treated by removing the retained testes through a standing laparoscopic approach (2), flank laparotomy (1), or paramedian celiotomy (1). After identification of the retained testis attached to the caudal pole of the kidney by the CSL, the vascular pedicle and ductus deferens were li...
Recovery from desflurane anesthesia in horses with and without post-anesthetic xylazine. The objective of this study was to compare recovery from desflurane anesthesia in horses with or without post-anesthetic xylazine. Six adult horses were anesthetized on 2 occasions, 14 d apart using a prospective, randomized crossover design. Horses were sedated with xylazine, induced to lateral recumbency with ketamine and diazepam, and anesthesia was maintained with desflurane. One of 2 treatments was administered intravenously at the end of anesthesia: xylazine [0.2 mg/kg body weight (BW)] or an equivalent volume of saline. Recovery parameters were recorded and assessed by 2 blinded observe...
A retrospective study comparing the outcome of horses undergoing small intestinal resection and anastomosis with a single layer (Lembert) or double layer (simple continuous and Cushing) technique. To (1) compare postoperative complications and survival in horses after small intestinal resection and anastomosis using 2 anastomosis techniques (single layer Lembert; double layer simple continuous oversewn with Cushing), and (2) to compare outcome by anastomosis type (jejunoileostomy; jejunojejunostomy). Methods: Retrospective case series. Methods: Horses (n = 53). Methods: Medical records (July 2006-July 2010) of all horses that had small intestinal resection and anastomosis. Horses were divided into groups based on technique and type of anastomosis. Comparisons of pre- and intraoperative ...
Ultrasound assisted arthroscopic approach for removal of basilar sesamoid fragments of the proximal sesamoid bones in horses. To describe an ultrasound assisted arthroscopic approach for removal of non-articular basilar sesamoid fragments in Thoroughbred yearlings. Methods: Thoroughbred yearlings (n = 7). Methods: Basilar sesamoid fragments identified during pre-sale radiographic examination were removed using a palmar/plantar arthroscopic approach to the fetlock joint and ultrasonographic guidance. Complete fragment removal was confirmed by ultrasonography and radiography. Results: Basilar sesamoid fracture fragments were localized and removed successfully using rongeurs and a radiofrequency probe for soft tissu...
Evaluation of the effect of onlay mesenteric flaps on end-to-end jejunojejunostomy healing in horses. To evaluate the effect of onlay mesenteric flaps (MFs) with end-to-end jejunojejunostomy on stomal diameter, length of jejunum with reduced stomal diameter, abdominal adhesion formation, and healing. Methods: Experimental study. Methods: Healthy adult horses (n = 6). Methods: Two hand sewn end-to-end jejunal anastomoses using a 1 layer simple continuous serosubmucosal suture pattern were performed in each horse ∼ 2 and 5 m oral to the ileocecal fold. Using a random design for selection anastomosis location (oral or aboral), 1 anastomosis was covered with 2 adjacent onlay MFs secured with int...
Effects of experimental mechanical manipulations on local inflammation in the jejunum of horses. To determine characteristics of the inflammatory reaction in the jejunum of horses in response to various mechanical manipulations. Methods: 12 adult warm blood horses without gastrointestinal tract disorders. Methods: The proximal aspect of the jejunum in each horse was divided into 5 segments, and the following manipulations were performed: manual emptying, placement of Doyen forceps, enterotomy alone, enterotomy with mucosal abrasion, and serosal abrasion. Jejunum samples were collected before (control), immediately after, and 30 minutes after the end of manipulations and histologically eva...
Lidocaine effect on flotillin-2 distribution in detergent-resistant membranes of equine jejunal smooth muscle in vitro. Lidocaine is the most commonly chosen prokinetic for treating postoperative ileus in horses, a motility disorder associated with ischaemia-reperfusion injury of intestinal tissues. Despite the frequent use of lidocaine, the mechanism underlying its prokinetic effects is still unclear. Previous studies suggested that lidocaine altered cell membrane characteristics of smooth muscle cells. Therefore, the present study aimed to elucidate effects of lidocaine administration on characteristics of detergent-resistant membranes in equine jejunal smooth muscle. Lidocaine administration caused significa...
Development of the Horse Grimace Scale (HGS) as a pain assessment tool in horses undergoing routine castration. The assessment of pain is critical for the welfare of horses, in particular when pain is induced by common management procedures such as castration. Existing pain assessment methods have several limitations, which reduce the applicability in everyday life. Assessment of facial expression changes, as a novel means of pain scoring, may offer numerous advantages and overcome some of these limitations. The objective of this study was to develop and validate a standardised pain scale based on facial expressions in horses (Horse Grimace Scale [HGS]). Results: Forty stallions were assigned to one of ...
Complications associated with perineal urethrotomy in 27 equids. To report the clinical findings, incidence of complications, and outcome associated with perineal urethrotomy in equids. Methods: Retrospective case series. Methods: Equids (n = 27). Methods: Medical records (January 2000 to December 2010) of equids that had a perineal urethrotomy were reviewed. Data retrieved and evaluated were breed, age, surgical technique, use of general anesthesia, complications, time from surgery to development of complications and their management, and outcome. Results: Perineal urethrotomy was performed for urolithiasis (n = 22), for treatment of urethral rents...
A pharmacokinetic/clinical approach to postulate a local action of intra-articular xylazine administration in the horse: a preliminary study. The study aims to evaluate whether the analgesic effect of intra-articular (IA) route of xylazine administered to horses following arthroscopic surgery is due to a local or a systemic action. Two connected studies were performed. In the first, 1 mg/kg b.w. of xylazine was injected IA, and blood samples were taken to assess drug systemic absorption. In addition, systemic effects of the drug (sedation, ataxia or reduction of respiratory and cardiac rate) were registered. Control horses injected with saline IA were included in the study to exclude the influence of anaesthesia in the occurrence o...
Management and long-term outcome of partial glossectomy in 2 horses. Records were reviewed for 2 horses with partial glossectomy, 1 traumatic and 1 elective. According to long-term follow-up by telephone, both horses had recovered well, experiencing only temporary difficulty while eating, and went on to be ridden successfully using mouth bits. Partial glossectomy, therefore, had a favorable prognosis in 2 performance horses. Les dossiers ont été examinés pour 2 chevaux ayant subi une glossectomie partielle, 1 étant une glossectomie traumatique et 1 étant une glossectomie non urgente. Selon le suivi à long terme par téléphone, les deux chevaux se sont b...
Analgesic and gastrointestinal effects of epidural morphine in horses after laparoscopic cryptorchidectomy under general anesthesia. To evaluate the hypothesis that epidural morphine (0.1 mg kg(-1) ) decreases pain in horses after laparoscopic surgery without adversely affecting gastrointestinal (GI) motility. Methods: Randomized clinical trial. Methods: Eighteen horses undergoing laparoscopic cryptorchidectomy under general anesthesia. Methods: Horses were randomly assigned to receive either epidural morphine (0.1 mg kg(-1) ) or no epidural before the start of surgery. Pain behaviors were assessed during the first two post-operative days using a numerical rating scale. Barium-filled spheres were administered through a naso...
Fertility after fetotomy: a clinical study focusing on heavy draft mares. Although fetotomy is recommended for all mares when the fetus is dead and difficult to extract, little has been written about fetotomy and heavy draft mares. This lack includes indications for fetotomy in heavy draft mares, differences in treatment and prognosis of heavy mares kept by farmers of low socioeconomic status, and how this procedure affects the mare's further fertility. The literature on mares, in general, also differs on the survival rate of mares that undergo fetotomy, the prevalence of postpartum complications, and further fertility. To answer these questions, we reviewed the me...
Standing diagnostic and therapeutic equine abdominal surgery. The widespread use of laparoscopy in equine surgery has increased interest in the standing approach to a wide range of procedures typically regarded as feasible only through a ventral midline incision. Although a commonly cited benefit of standing surgery relates to avoiding costs of general anesthesia and risks associated with it, some procedures and horses are not suitable candidates for standing abdominal procedures. Some procedures, such as nephrectomy, colostomy, and closure of the nephrosplenic space, are not only suitable for standing surgery but are performed more easily and more safel...
Comparison of flunixin meglumine and meloxicam for post operative management of horses with strangulating small intestinal lesions. Ex vivo evidence suggests that cyclo-oxygenase (COX) 2-preferential inhibitor nonsteroidal anti-inflammatory drugs (NSAIDs), such as meloxicam, have a less detrimental effect on intestinal healing than flunixin meglumine (FM). Whether this translates to a beneficial effect in horses with naturally occurring strangulating small intestinal (SSI) lesions is unknown. Objective: To compare the clinical outcome of horses with naturally occurring SSI lesions treated with meloxicam or FM. Methods: Randomised prospective study. Methods: Cases presenting to the Royal Veterinary College Equine Referral H...
Subtotal ostectomy of impinging dorsal spinous processes in 23 standing horses. To (1) describe a safe, efficient surgical technique for subtotal ostectomy (SO) of diseased dorsal spinal processes (DSP) of the caudal thoracic vertebrae with the horse standing and (2) report outcome. Methods: Case series. Methods: Horses (n = 23) with reduced performance caused by impingement of the DSP of the caudal thoracic vertebrae. Methods: Affected DSP were resected through a dorsal median incision with the horse standing, sedated, and the surgical site desensitized with local anesthetic. Radiography was used to confirm removal of impinging bone before wound closure. Results: No seri...
Does intraoperative low arterial partial pressure of oxygen increase the risk of surgical site infection following emergency exploratory laparotomy in horses? Decreased tissue oxygenation is a critical factor in the development of wound infection as neutrophil mediated oxidative killing is an essential mechanism against surgical pathogens. The objective of this prospective case series was to assess the impact of intraoperative arterial partial pressure of oxygen (PaO2) on surgical site infection (SSI) in horses undergoing emergency exploratory laparotomy for acute gastrointestinal disease. The anaesthetic and antibiotic protocol was standardised. Demographic data, surgical potential risk factors and PaO2, obtained 1h after induction of anaesthesia w...
Surgical technique and short-term outcome for experimental laparoscopic closure of the epiploic foramen in 6 horses. To describe a laparoscopic technique for, and short-term outcome after, closure of the epiploic foramen (EF) in horses. Methods: Descriptive, experimental study. Methods: Healthy, adult horses (n = 6). Methods: Laparoscopic portals to approach the EF were identified in standing horses. Under laparoscopic observation, the gastropancreatic fold and right lobe of the pancreas were grasped with Babcock forceps and secured to the caudate hepatic lobe using helical titanium coils to obliterate the EF. Surgical procedure time and intra- and postoperative complications were recorded. Serial analys...
Jejunal perforation due to porcupine quill ingestion in a horse. An 8-month-old Andalusian filly was treated for jejunal perforations due to ingestion of a porcupine quill. During exploratory laparotomy, 2 separate stapled side-to-side jejunojejunal resection and anastomoses were performed. Post-operative complications after 2 years follow-up included mild incisional herniation following incisional infection and chronic intermittent colic. Perforation jéjunale causée par l’ingestion d’une aiguille de porc-épic chez un cheval. Une pouliche d’Andalousie âgée de 8 mois a été traitée pour des perforations jéjunales causées par l’ingestion d’...
Standing equine sinus surgery. Trephination of the equine sinuses is a common surgical procedure in sedated standing horses. Standing sinus flap surgery has become increasingly popular in equine referral hospitals and offers several advantages over sinusotomy performed under general anesthesia, including reduced patient-associated risks and costs; less intraoperative hemorrhage, allowing better visualization of the operative site; and allows surgeons to take their time. Other minimally invasive surgical procedures include sinoscopic surgery, balloon sinuplasty, and transnasal laser sinonasal fenestration. Despite the proced...
Standing male equine urogenital surgery. The advantages of performing standing male urogenital surgeries are numerous when compared with performing the same surgery in the anesthetized animal. Some traditional standing male urogenital surgeries, such as castrations, may be faster and cheaper to perform. Laparoscopic standing male urogenital surgeries may allow for improved visualization of the surgical field, decreased hemorrhage, and decreased morbidity and convalescence. Limitations of standing procedures may include increased danger to the surgeon because of fractious behavior of the patient, and increased expense and training ass...
Upper esophageal incompetence in five horses after prosthetic laryngoplasty. To describe a complication observed endoscopically in horses after prosthetic laryngoplasty (LP). Methods: Case series. Methods: Horses (n = 5) that had previous LP. Methods: Four horses had endoscopic examination as part of a larger prospective study and had saliva emanating from their upper esophageal opening. One other horse was referred with clinical signs of severe upper esophageal obstruction 2 months after LP. Results: Four horses were observed to have saliva emanating from their upper esophageal opening during endoscopic examination 21-58 months after LP. Esophageal reflux was note...
Bacterial meningitis after sinus surgery in five adult horses. To report meningoencephalitis as a complication after paranasal sinus surgery in 5 horses. Methods: Case series. Methods: Adult horses (n = 5). Methods: Medical records (2005-2010) of 5 horses that developed neurologic signs after sinus surgery were reviewed to identify potential risk factors, cause(s), or common pathways for infection. Results: Underlying diseases were primary (n = 1) and secondary sinusitis (4) because of apical dental infection (1), sinus cyst (2), or masses in the ethmoturbinate region (2). Horses were treated by conventional surgical approaches and aftercare inclu...
Plate fixation for management of plantar instability of the distal tarsus/proximal metatarsus in 5 horses. To report plate fixation for management of traumatic injuries resulting in plantar instability of the proximal intertarsal (PIT) and tarsometatarsal (TMT) joints. Methods: Case series. Methods: Medical records (October 1988 to August 2007) of horses that had internal fixation of the distal aspect of the tarsus were reviewed. Horses that had a broad dynamic compression plate (DCP) or broad locking compression plate (LCP) applied on the plantar-lateral aspect of the tarsus extending from the proximal calcaneus to the proximal one third of the metatarsus were included. Signalment, clinical signs,...
