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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 caudal intercostal block in horses undergoing surgery for colic. In humans and companion animals, regional anaesthesia is used in multimodal analgesic protocols for abdominal wall surgery. Benefits include earlier patient mobilisation and improved pain scores. Regional anaesthetic techniques for horses undergoing abdominal surgery could provide similar benefits and warrant investigation. Objective: To evaluate the safety and efficacy of a caudal intercostal block for abdominal surgery (CIBAS) in horses undergoing surgery for colic. Methods: Blinded, randomised clinical trial. Methods: Horses (n = 22) undergoing exploratory celiotomy for colic were rando...
Serial Postoperative Blood and Peritoneal Fluid Analysis and Ultrasonographic Assessment in Client-Owned Horses Undergoing Ventral Midline Exploratory Celiotomy for Colic. Postoperative monitoring, including evaluation of peritoneal fluid, is used to aid in the diagnosis and treatment plan for complications after colic surgery. The primary objective of this study was to determine serial venous and peritoneal postoperative variables, including L-lactate values in horses after ventral midline exploratory celiotomy. A secondary objective was to evaluate postoperative abdominal ultrasonography as a predictor of complications. A total of 36 client-owned horses with signs of colic undergoing ventral midline exploratory celiotomy were prospectively enrolled in the stud...
Spatial and temporal radiation exposure during equine bone scintigraphy: Implications for occupational safety and post-scintigraphy isolation. Bone scintigraphy is a valuable diagnostic modality in equine orthopaedics, but it is associated with occupational radiation exposure and regulatory requirements for post-procedural isolation. Objective: To quantify radiation dose rates emitted from horses undergoing bone scintigraphy, to evaluate the effects of distance (spatial) and time (temporal) on radiation exposure, and to derive evidence-based recommendations for post-scintigraphy isolation periods. Methods: Prospective, cross-sectional study. Methods: Twenty warmblood horses underwent musculoskeletal scintigraphy following intravenous...
Intraoperative Mechanical Power and Post-Anesthetic Respiratory Outcomes in Horses: A Retrospective Cohort Study. Mechanical power (MP) represents the ventilatory-delivered energy to the respiratory system, integrating multiple variables into a single parameter. It has been linked to ventilator-induced lung injury and post-ventilation complications in human medicine, while clinical relevance in equine anesthesia remains insufficient. Objective: To evaluate the association between intraoperative mechanical power and postoperative respiratory outcomes in horses undergoing inhalant anesthesia. Methods: This retrospective cohort study analyzed anesthesia records from 843 adult horses anesthetized between 2023...
Surgical Management of Unilateral Maxillary Molar Teeth Impaction in a Horse. Impaction of equine permanent cheek teeth is most commonly reported in the mandible, whereas maxillary involvement is rare. This report describes an uncommon presentation of congenital impaction of 3 successive maxillary molar teeth in a 4-year-old mare. Computed tomography revealed complex spatial relationships between the impacted teeth, the sinus floor and adjacent structures, which were not fully appreciated on conventional radiography and were essential for surgical planning. Surgical extraction via a maxillary sinus bone flap permitted controlled sectioning and subsequent removal of all ...
Exploring the postpartum period in mares: hormonal dynamics and ovarian activity under physiological and pathological conditions. The aims of the study were to evaluate factors influencing the resumption of postpartum ovarian activity and to compare hormone concentrations among mares with physiological/pathological postpartum period and cyclic non-lactating mares. Follicular dynamics were monitored ultrasonographically in 38 postpartum mares from foaling or admission (Tpp/Ta) every other day until the emergence of a dominant follicle (Td), then daily until ovulation (To). Blood samples were collected at Tpp/Ta, Td, and To in postpartum mares and at Td and To in cyclic mares to determine serum estradiol, progesterone, lep...
Complications Following Nictitating Membrane Resection in Horses: 92 Eyes (2015-2024). The goal of this retrospective study is to evaluate the complications following nictitating membrane resection in horses with the aim of providing valuable information on the risks of this surgical procedure. Methods: 83 horses (92 eyes). Methods: Medical records for 83 horses that underwent nictitating membrane resection in 92 eyes between February 2015 and June 2024 were reviewed. Horses were included if they had at least 1 month of follow-up data available. Owners were contacted via telephone or email questionnaire to obtain follow-up information. Complications were recorded only when pre...
Jejunocecostomy in horses-a review of its unique complexities. Jejunocecostomy (JC), or jejunocecal anastomosis, is arguably the most controversial surgical procedure in equine small intestinal surgery. It is also the only option for resection and anastomosis for a third of small intestinal strangulating lesions in horses. Critics of the procedure identify its low survival and high complication rates as reasons to avoid its use. This review is intended to highlight findings of recent research and clinical studies that validate use of the JC, and to provide some insights into technical aspects of the procedure that might improve its survival rates. Jejunoc...
Fatalities within seven days after equine standing sedation: A prospective, multicentre study. Information regarding mortality associated with standing procedures in horses is sparse. Objective: To report data from >12,000 standing sedations. Methods: Confidential, observational, prospective, multicentre, cohort study. Methods: We collected records of horses/ponies undergoing standing sedation for surgery or advanced diagnostic imaging using at least one top-up or controlled rate infusion (CRI). Procedures were either NON-COLIC or COLIC. Outcome at seven days was recorded as (i) ALIVE, (ii) EUTHANASIA or (iii) DEAD. Data were collected with a portable document format (PDF) questionn...
Outcome of keratoma removal using different surgical techniques, including a modified partial hoof wall resection: A retrospective study (2004-2025). Keratomas are diseases of the equine hoof that can be associated with intermittent lameness and/or recurrent foot abscesses. Different surgical techniques for keratoma removal have been described. The aim of this retrospective study was to report the short- and long-term postoperative complications after keratoma removal using different surgical techniques: complete hoof wall resection (CR), partial hoof wall resection (PR) and a modified version of PR (MPR). The medical records of horses diagnosed with keratoma and space occupying lesion (SOL) of the hoof wall (2004-2025) at a Veterinary Teac...
Novel technique for correcting urovagina via urethral transposition in the horse. Vesicovaginal reflux is a common cause of infertility in mares. Surgical correction is commonly recommended and involves caudal relocation of the urethral orifice which forces the urine to be expelled caudally. There have been several previously described techniques. Complications associated with caudal urethral extension occur in 11-33.3% of cases. Objective: To identify a novel technique for performing caudal urethral translocation that effectively corrects vesicovaginal reflux with minimal associated complications. Methods: In vivo experiment and clinical case series. Methods: The experimen...
Mitigating and addressing complications in equine laparoscopy. The purpose of this article was to report a condensed overview of current strategies for mitigating and managing complications in equine laparoscopic surgery. Minimally invasive surgical techniques have become standard in equine surgery for a variety of diagnostic and therapeutic procedures, with purported advantages including reduced postoperative pain, expedited recovery, fewer incisional complications, and enhanced visual imagery for the surgeon compared to traditional open approaches. Despite these benefits, complications can arise, and the literature demonstrates variability in definition...
Management of Equine Post-Extraction Cheek Tooth Alveoli: Application of Alveolar Plugs. Preservation of dentition remains the primary goal of equine dentistry; however, cheek tooth extraction is required in cases of severe dental pathology. Following tooth extraction, management of the post-extraction alveolus remains a significant clinical challenge due to its large size and susceptibility to contamination with feed material and bacteria. To mitigate these risks, alveolar plugs are commonly used to protect the alveolus, stabilize the blood clot, and support granulation tissue formation. This review summarizes the current case reports and research articles regarding the use of al...
Use of Intraperitoneal Lidocaine in Horses Undergoing Laparotomy for Colic. Perioperative lidocaine is widely used in horses with acute abdomen for its analgesic, prokinetic, anti-inflammatory, and anti-endotoxic effects, although evidence of its visceral analgesic efficacy remains inconclusive. Given the potential of alternative routes of administration for local anaesthetics, this prospective, randomised, unblinded clinical trial evaluated whether intraperitoneal (IP) lidocaine improves early postoperative recovery, including recovery from anaesthesia and the first 24 h after laparotomy for colic. A Multifactorial Numerical Rating Composite Pain Scale for equines wa...
A Surgical Technique for Removal of Setaria digitata From the Anterior Chamber Under Standing Sedation: Outcomes in 12 Horses. To describe a rapid surgical technique for removal of the intraocular nematode Setaria digitata from the anterior chamber of horses under standing sedation and to report clinical outcomes. Methods: Twelve client-owned horses (2021-2026) presented with a motile intracameral worm. Methods: All surgeries were performed under field conditions using standing sedation (xylazine 1.1 mg kg and butorphanol 0.1 mg kg IV), regional nerve blocks (lidocaine 2%), and topical anesthesia (proparacaine). A 2.8 mm uniplanar oblique (~45°) corneal incision was created ventrolaterally approximately 2â€...
Clinical nutrition in equine colic: a scoping review from an equine nutritionist’s perspective. Colic represents one of the leading causes of morbidity and mortality in equine medicine, with nutritional management recognized as a key modifiable factor influencing postoperative recovery. However, guiding principles for nutritional enteral support in horses after colic remain limited, and current practices are largely empirical. Objective: This scoping review aimed to (1) examine enteral nutritional support protocols reported in literature through a scoping review to map the available evidence on equine clinical nutrition in the context of colic, and (2) propose a physiology-based interpre...
Application of a framework to mitigate the risk of surgical site infection after exploratory celiotomy in horses: A retrospective study. To describe the methodology used to identify the contributors to a perceived sudden increase in exploratory celiotomy surgical site infections (SSI) and complications at the North Carolina State University Veterinary Teaching Hospital (NCSU VTH) between 2019 and 2020 and evaluate the effect of the designed intervention up to 4 years after its implementation. Methods: Case-control retrospective study over a five-year period. Methods: A total of 448 horses that underwent exploratory celiotomy for the treatment of acute abdominal pain were included. Methods: Medical records of horses that under...
Serial postoperative peritoneal fluid analyses in horses with naturally-occurring strangulating and non-strangulating gastrointestinal lesions. To describe characteristics of postoperative peritoneal fluid following exploratory laparotomy for naturally-occurring gastrointestinal lesions in horses. Methods: Prospective, observational cohort study. Methods: A total of 26 client-owned horses that underwent exploratory laparotomy for naturally-occurring gastrointestinal lesions. Methods: Abdominocentesis was performed pre- or intraoperatively, and at three time points postoperatively (24, 72, and 168 h). Peritoneal lactate, total protein (TP), total nucleated cell count (TNCC), cytology, and systemic lactate were performed at each time ...
Short- and Long-Term Outcomes in Horses Following Laparoscopic Nephrosplenic Space Ablation. Left dorsal displacement of the large colon (LDDLC) is a common cause of colic in horses and it is frequently associated with recurrent episodes, with significant implications for horse management, athletic performance, and owner satisfaction. Laparoscopic nephrosplenic space (NSS) ablation is a preventive surgical technique aimed at reducing recurrence in horses with a history of medically or surgically treated LDDLC. This retrospective study evaluated 48 horses that underwent laparoscopic NSS ablation in two Italian Veterinary Teaching Hospitals between 2016 and 2024. Short-term outcomes, in...
Hemithyroidectomy due to a large, solid follicular thyroid adenoma in a 19-year-old thoroughbred mare. This case report describes the successful hemithyroidectomy of the largest equine solid follicular adenoma described in the veterinary literature to date. A 19-year-old thoroughbred mare was referred to Oakhill Veterinary Centre for the surgical removal of a large, left-sided thyroid gland measuring 26cm in diameter. Pre-operative considerations, the hemithyroidectomy surgical technique as well as the intra- and post-operative complications encountered, are discussed. Following surgery the horse had no long-term complications and continues to thrive four and a half years post-operatively.
Evaluation of long-term postoperative morbidity and survival after equine colic surgery using a complication severity classification. Most studies on colic surgery outcome focus on short-term survival and complications. Long-term outcomes, particularly post-discharge morbidity, are poorly characterised despite their relevance. No standardised system has previously integrated both short- and long-term postoperative complications with survival outcomes. Therefore, this study aimed to evaluate long-term survival and morbidity in horses after colic surgery using the equine postoperative complication score (EPOCS), and to assess the association between complications and survival. Methods: The medical records of horses undergoing ...
Reducing Recurrence in Equine Corneolimbal SCC: Outcomes of Adjunctive Cisplatin Biodegradable Bead Therapy. (1) Context: Squamous cell carcinoma (SCC) is the most prevalent ocular neoplasm in horses, with a reported 45% recurrence rate when managed by surgery alone. (2) Objective: To evaluate the effect of adjunctive cisplatin biodegradable beads (CBBs) on recurrence rates of equine corneolimbal squamous cell carcinoma (SCC) and to document associated adverse effects. (3) Methods: Seventeen cases of histopathologically confirmed corneolimbal SCC in horses were retrospectively identified. Masses were surgically excised by keratectomy and/or conjunctivectomy under general anesthesia, followed by impla...
Parasympathetic tone, cardiovascular variables, and behavioral alterations in conscious horses before and after castration and during anesthesia: A pilot study. Parasympathetic tone activity (PTA) and its association with behavior in conscious versus anesthesia in horses are unknown. Objective: To study PTA, heart rate (HR), minimum alveolar concentration (MAC), and mean arterial pressure (MAP) during castration under anesthesia. To study PTA, HR, Horse Grimace Scale (HGS), locomotor activity (LA), and behavior in conscious horses before and after castration. Methods: Pilot study including seven healthy adult horses. After habituation (days 1, 2, and 3), PTAm, HR, HGS, LA, and behavior were investigated during pre-surgery (days 4-, 5-, and one-hour pr...
Laparoscopically assisted cecal cannulation in standing horses. Access to the equine cecum is required for various therapeutic and experimental procedures, including decompression, fluid therapy, and transfaunation. Traditional approaches via laparotomy are highly invasive. This study aimed to describe a minimally invasive, laparoscopically assisted technique for cecal cannulation in standing horses. Unassigned: Seven horses underwent the procedure under sedation and paravertebral anesthesia. Two right flank accesses were created: a 10-mm laparoscopic port for visualization and a 2-cm minilaparotomy for cecal exteriorization. A Foley catheter was inserted ...
Introducing an Innovative Pain Scale for Assessing Postpartum Pain in Mares: Preliminary Clinical Evaluation. Pain after giving birth is commonly observed in horses, yet there has not been a specific tool developed for assessing this pain in postpartum mares. The goal was to adapt existing equine pain scales and to preliminarily validate a practical pain scale for use by veterinarians and caregivers after foaling. Methods: The pain scale was developed by adapting items from other pain scales, including established orthopedic and colic equine pain scales, and incorporating caregiver feedback. The final scale includes eight areas for assessing pain: behavior, facial expressions, vital signs, udder exami...
Outcome of Standardbred racehorses following femoropatellar arthroscopy for osteochondrosis dissecans. To evaluate postoperative racing performance of a population of Standardbred racehorses following arthroscopic removal of an osteochondrosis dissecans (OCD) lesion of the femoropatellar joint. Methods: Retrospective study. Methods: A total of 45 client-owned Standardbred racehorses. Methods: OCD lesions were measured and graded using the length of the subchondral bone defect from preoperative radiographs. Postoperative racing results were obtained from the United States Trotting Association, and follow-up owner surveys were conducted. A control group of contemporaneous paternal siblings free o...
Complications Associated with Equine Diagnostic and Elective procedures. The practice of medicine has always been associated with complications. In fact, in its early stages, these complications contributed to the understanding of certain diseases and advancement of the medical field. In equine practice, virtually every procedure carries an associated risk. In fact, even procedures that would have minimal risk in human medicine may pose significant risk in equine practice owing to the unique nature of the horse. For instance, a simple rectal palpation could result in a rectal tear following an unexpected movement of the patient. Thus, extrapolations of complication...
Plate fixation of small metacarpal and metatarsal bone fractures in 27 horses. To present fracture cases selected for plate fixation (PF), describe surgical techniques and assess their association with postoperative complications and return-to-work outcomes in horses undergoing PF for small metacarpal/metatarsal (SMCT) fractures. Methods: Multicenter retrospective study. Methods: A total of 27 horses. Methods: Horses treated with PF of a SMCT fracture between 2008 and 2023 across three hospitals were included. Medical records and imaging were reviewed. Long-term outcomes were established by readmission to the hospital, telephone interviews, and/or race records. Univariab...
