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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.
Diagnosis and surgical removal of a granulosa-theca cell tumor in a mare. An 8-year-old mare showed stallion-like behavior and aggressiveness. A granulosa-theca cell tumor was tentatively diagnosed based on history, transrectal palpation, and ultrasonography, and surgically removed. Serological levels of testosterone and inhibin were elevated. Histopathological examination confirmed the diagnosis. The mare recovered and by day 45 could be turned out with other horses. Une jument de 8 ans a manifesté un comportement et de l’agressivité semblables à ceux d’un étalon. Une tumeur de cellule de la granulosa-theca a été provisoirement diagnostiquée, en se fond...
Intraoperative pain responses following intraovarian versus mesovarian injection of lidocaine in mares undergoing laparoscopic ovariectomy. To compare intraoperative pain responses following intraovarian versus mesovarian injection of lidocaine in mares undergoing laparoscopic ovariectomy. Methods: Randomized controlled trial. Methods: 15 mares between 4 and 20 years old. Methods: Standard bilateral laparoscopic ovariectomy was performed. Prior to manipulation of the ovary, 2% lidocaine (10 mL) was injected into the ovary and saline (0.9% NaCI) solution (10 mL) was injected into the mesovarium on 1 side, with saline solution (10 mL) injected into the ovary and 2% lidocaine (10 mL) injected into the mesovarium on the other side. Pr...
Abdominal surgery in neonatal foals. Abdominal surgery in foals under 30 days old has become more common with improved neonatal care. Early recognition of a foal at risk and better nursing care have increased the survival rates of foals that require neonatal care. The success of improved neonatal care also has increased the need for accurate diagnosis and treatment of gastrointestinal, umbilical, and bladder disorders in these foals. This chapter focuses on the early and accurate diagnosis of specific disorders that require abdominal exploratory surgery and the specific treatment considerations and prognosis for these disorders.
Post operative neutrophilic inflammation in equine small intestine after manipulation and ischaemia. Post operative ileus (POI) remains an important cause of post operative morbidity and mortality in the horse. However, clinical progression of naturally occurring cases of POI in both horse and man does not entirely support the 'neurogenic' hypothesis as the sole mechanism of POI; and the hypothesis that inflammation plays a major role at 12-24 h after surgery requires validation. Objective: An inflammatory infiltrate in the muscularis externa and myenteric plexus of equine jejunum is present 18 h following a period of ischaemia. Methods: Samples of normal jejunum, jejunum from the proximal re...
Factors affecting long-term survival of horses recovering from surgery of the small intestine. Epiploic foramen entrapment (EFE) has been associated with a particularly poor post operative prognosis for equine colic cases, but the reasons for this are unknown. Objective: To identify variables associated with post operative survival following surgery for small intestinal disease; develop a model describing long-term post operative survival; and identify reasons for the poor prognosis associated with EFE. Methods: Data from 382 horses undergoing surgery were used to identify variables associated with survival. A multivariable Cox proportional hazards model for post operative survival was ...
Modelling long-term survival of horses following surgery for large intestinal disease. Large intestinal diseases are an important cause of equine colic that require surgical management, but there is little published information about long-term survival of such cases. Objective: To identify variables associated with post operative mortality and to develop a model for post operative survival following surgery for large intestinal disease. Methods: Clinical data and long-term follow-up information from 275 horses undergoing surgery for large intestinal disease were used. A multivariable, Cox proportional hazards model for post operative death was developed and the fit of the model ...
Survival and complication rates in 300 horses undergoing surgical treatment of colic. Part 4: Early (acute) relaparotomy. Early (acute) relaparotomy after surgery for equine colic is widely considered to be an acceptable treatment option for management of certain post operative complications. However, there is relatively little published information about resulting complication rates and short- and long-term outcomes. Objective: To document the proportions, indications, complication rates and survival rates of horses undergoing acute relaparatomy following colic surgery. Methods: History, clinical findings, surgical findings and procedures, post operative treatments and outcome of 300 consecutive surgical colic c...
The effects of polyester (terylene) fibre implants on normal equine superficial digital flexor tendon. To determine the effect of polyester (terylene) fibre implants on normal equine superficial digital flexor (SDF) tendon structure. Methods: Normal forelimb SDF tendons (n=24) of 12 horses were divided into unoperated, sham-operated, and implanted (terylene fibre implant) groups. Horses were assessed for lameness and ultrasonographic changes to SDF tendons at intervals up to 48 weeks post-operatively. After euthanasia, SDF tendons were collected for histological and ultrastructural examination. Histological sections were examined for alcian blue staining intensity, cellularity, fibril bundle al...
End-to-end jejuno-ileal anastomosis following resection of strangulated small intestine in horses: a comparative study. Small intestinal resection and anastomosis is a relatively common procedure in equine surgical practice. This study was designed to test objectively the subjective opinions of surgeons at the Liphook Equine Hospital that an end-to-end jejuno-ileal anastomosis (JIA) is an effective and clinically justifiable procedure, contrary to conventional recommendations. Objective: An end-to-end JIA carries no greater risk of morbidity and mortality than an end-to-end jejunojejunal anastomosis (JJA). Methods: A retrospective observational study was performed on a population of 100 horses that had undergon...
Survival and complication rates in 300 horses undergoing surgical treatment of colic. Part 2: Short-term complications. Few studies have assessed short- and long-term complication rates of horses following surgical treatment of colic, a potentially fatal condition. Complications can lead to patient discomfort and increased costs; knowledge of predisposing factors may help to reduce complication rates. Objective: To document and analyse short-term complications in 300 horses undergoing colic surgery, and to assess some of the possible predisposing factors. Methods: History, clinical findings, surgical findings and procedures, and post operative treatments of 300 consecutive surgical colic cases (1994-2001) were ...
Survival and complication rates in 300 horses undergoing surgical treatment of colic. Part 1: Short-term survival following a single laparotomy. A minority of equine colic cases prove fatal unless treated surgically; however, few studies have considered long-term survival and complication rates, and few have attempted to identify factors that might affect outcomes. Such information is required for owners and veterinary surgeons to make informed decisions about the most appropriate treatment for individual cases. Objective: To document short-term survival rates of 300 horses undergoing colic surgery and analyse factors that might have predisposed to short-term death. Methods: History, clinical and surgical findings, treatments and outco...
Use of web-based data collection to evaluate analgesic administration and the decision for surgery in horses with colic. There is no current veterinary information with regard to data entry on a website. We therefore completed a prospective study on use of analgesics in relation to the need for abdominal surgery using a web-based survey instrument. Objective: To establish an internet-based data entry system that could be used to record prospective data on horses with colic. Objective: Failure of horses to respond to the initial administration of an analgesic is an indicator of the need for abdominal surgery. Methods: A survey was developed to determine if the response to administration of an analgesic during a v...
Survival and complication rates in 300 horses undergoing surgical treatment of colic. Part 3: Long-term complications and survival. Few studies have evaluated long-term survival and complication rates in horses following surgical treatment of colic, making it difficult to offer realistic advice concerning long-term prognosis. Objective: To review the complications occurring after discharge from hospital and survival to >12 months after surgery of 300 horses undergoing exploratory laparotomy for acute colic. Pre-, intra- and post operative factors that affected long-term complications and long-term survival were assessed. Methods: History, clinical findings, surgical findings and procedures and post operative treatments ...
Short-term survival after surgery for epiploic foramen entrapment compared with other strangulating diseases of the small intestine in horses. Epiploic foramen entrapment (EFE) is one of the more common causes of colic in horses, but recent reports suggest a poor prognosis after surgical treatment. Objective: That EFE has a good prognosis compared with other small intestinal strangulating lesions. Methods: Surgical findings, surgical procedures and short-term outcome were recorded for 157 horses that underwent surgery for strangulating lesions of the small intestine at the University of Illinois from 1994 to 2003. Horses were assigned to 3 groups for comparison; those with EFE, strangulation by lipoma and miscellaneous strangulating ...
Pulmonary oedema associated with anaesthesia for colic surgery in a horse. A 506 kg Warmblood horse with colic was anaesthetized for exploratory celiotomy. Anaesthesia was complicated by arterial hypoxaemia which persisted throughout surgery from the induction of anaesthesia. After endotracheal extubation in the recovery box, a degree of airway obstruction probably occurred during a brief delay in naso-tracheal intubation. Signs of pulmonary oedema were seen shortly afterwards. Furosemide and oxygen were given. Arterial hypoxaemia was present [PaO2: 6.5 kPa (49 mmHg)] when FIO2 was an estimated 0.3. The horse recovered and stood after 45 minutes. It was re-anaestheti...
Post-anaesthetic pulmonary oedema in horses: a review. To review information on the pathogenesis, diagnosis and treatment of post-anaesthetic pulmonary oedema in horses. Methods: Pubmed 1970-present, personal files.
Recent advances in equine abdominal surgery. Laparoscopy is a minimally invasive procedure that has applications as a diagnostic, therapeutic and prognostic technique. Specialized equipment is necessary to perform equine laparoscopy, and there is a large range of instruments, both disposable and non-disposable available. Laparoscopic procedures described include ovariectomy, cryptorchidectomy, adhesiolysis and herniorrhaphy. Laparoscopy can be performed in a standing or dorsally recumbent position, depending on surgeon preference, patient status and the procedure to be performed. Stapling equipment is frequently used in gastrointestinal ...
A modified surgical technique for repairing third-degree perineal lacerations in mares. A modified surgical technique has been developed for repairing third-degree perineal lacerations in mares. Complications of the currently used methods include rectovaginal fistula formation, urine pooling, complete dehiscence of the repair, constipation, tenesmus and difficulty of performance in the practice. The modified method is simpler and more practical. This method was performed on eight Thoroughbred mares with third-degree perineal lacerations after delivery. The rectovestibular septum was reconstructed by three lines of sutures in a transverse direction in relation to the longitudinal ...
Evaluation of the clinical efficacy of prokinetic drugs in the management of post-operative ileus: can retrospective data help us? The objectives of the study were to determine whether retrospective data can be used to answer questions about the efficacy of prokinetic agents when used to treat horses with post-operative ileus (POI). We describe prevalence and mortality of POI with reference to treatment with four prokinetic agents. By combining data from two Hospitals a study population of 55 horses with POI following pedunculated lipoma obstruction (PLO) was established. Univariable and multivariable associations were determined between short term survival and potential explanatory variables. With death as outcome in mul...
Post-anaesthetic myelomalacia in a horse. This article describes a rare neurological complication of anaesthesia in a 2 year-old Clydesdale colt undergoing castration. Anaesthesia was induced with glyceryl guaiacol ether and ketamine and maintained with halothane. Following an uneventful anaesthetic of 40 minutes, the horse recovered from anaesthesia in a padded recovery stall. After approximately 70 minutes in the recovery stall, the horse attempted to stand and adopted a dog sitting position. One hundred and fifty minutes later, the horse became distressed and was sedated with xylazine. Clinical examination of the horse did not reve...
Digital blood flow and plasma endothelin concentration in clinically endotoxemic horses. To measure plasma endothelin-1 (ET-1) concentrations and digital blood flow in clinically endotoxemic horses. Methods: 36 adult horses that underwent emergency celiotomy for primary gastrointestinal tract disease. Methods: On days 2 and 5 following surgery, Doppler ultrasonographic digital arterial blood flow measurements were obtained. Hematologic and biochemical analyses were performed, and plasma concentrations of ET-1 and endotoxin (lipopolysaccharide) were determined. A scoring system based on 9 clinical variables was used to assign horses to group B (quartile with greatest cumulative sco...
Prevalence and risk factors associated with outcome of surgical removal of pedunculated lipomas in horses: 102 cases (1987-2002). To determine the prevalence of pedunculated lipomas and identify risk factors affecting postoperative complications and survival in horses at a veterinary teaching hospital undergoing surgery for colic caused by pedunculated lipomas. Methods: Retrospective study. Methods: 102 horses with a diagnosis of pedunculated lipoma. Methods: Age, breed, weight, and sex of horses with pedunculated lipomas were compared with the total equine hospital population and the population of horses admitted for abdominal surgery during the same period. Follow-up information was obtained by reevaluation or contact ...
Gas arthroscopy for removal of osteochondral fragments of the palmar/plantar aspect of the metacarpo/metatarsophalangeal joint in horses. To evaluate the use of carbon dioxide (CO(2)) gas for joint distention during arthroscopy for removal of osteochondral (OC) fragments of the palmar/plantar aspect of the metacarpo (MCP)/metatarsophalangeal (MTP) joints in horses. Methods: Clinical study. Methods: Horses (26) with OC fragment(s) of palmar/plantar aspect of 1 or 2 MCP/MTP joint(s). Methods: OC fragments were removed using arthroscopic technique. Joint distention was maintained by isotonic Ringer's acetate at the beginning and at the end of the procedure but during fragment removal, CO(2) was used for joint distention. After surg...
Extensive nasal septum resection in horses using a 3-wire method. To describe a surgical technique for, and report outcome after, extensive nasal septum resection in horses with congenital or acquired septal diseases. Methods: Retrospective study. Methods: Horses (5) with nasal septal deformity. Methods: Under general anesthesia, obstetrical wires were preplaced around the ventral, caudal, and dorsal aspects of the nasal septum by combinations of manual guidance (ventral and caudal wires) and use of a trephine hole on the dorsal mid-line (dorsal and caudal wires). The rostral part of the septum was incised with a scalpel and the ventral, dorsal, and caudal s...
Effects of surgery on the acute phase response in clinically normal and diseased horses. The serum concentrations of serum amyloid A, haptoglobin and fibrinogen were measured in a group of horses before and at intervals after elective and non-elective surgery, and in a control group of normal horses. There was a significant, rapid and repeatable increase in the concentration of serum amyloid A in response to both elective and non-elective surgery. In the control horses its serum concentration was within the normal range, from 0 to 0.2 microg/ml. Twenty-four hours after elective surgery its mean peak concentration was 16.4 microg/ml, and after non-elective surgery it was 27.3 micro...
Early clinical experience with a new tubular equine pericardial stentless aortic valve. This study details a single-center experience with the 3F Therapeutics stentless aortic bioprosthesis(investigational device) and is part of a prospective,nonrandomized worldwide multicenter study. We assessed the implantation procedure and the valve's efficacy in terms of early mortality and morbidity and early echocardiographic valve performance. Methods: Between June 2001 and March 2004, 24 patients (14 men/10 women) underwent aortic valve replacement(AVR) with a 3F valve. Mean age was 72 +/- 13 years(range, 31-88 years). Combined revascularization was performed in 12 patients; 1 patient re...
Standing oral extraction of cheek teeth in 100 horses (1998–2003). Extraction of cheek teeth (CT) by the conventional repulsion technique requires general anaesthesia and carries a high rate of post operative complications. Consequently, an alternative method of extraction, i.e. orally in standing horses, was evaluated. Objective: The need for and risks of general anaesthesia could be avoided and post extraction sequelae reduced by performing extractions orally in standing horses. Methods: One hundred mainly younger horses (median age 8, range 2-18 years) with firmly attached CT that required extraction because of apical infections, displacements, diastemata,...
Modified frontonasal sinus flap surgery in standing horses: surgical findings and outcomes of 60 cases. Previous studies of sinus surgery on standing horses have been based on techniques which utilise powered hand bone saws and preserve the bone flap, which was thought to be essential for a good cosmetic result. This report describes a simplified technique applied to the standing horse where the sinus flap construction used a large skull trephine and where the bone flap is necessarily discarded. Objective: To assess whether the modified standing frontonasal flap (SFF) surgery offers an effective method to investigate and/or treat sinunasal disorders in the horse. Methods: The case records of 60 ...
