Jaime Viscasillas

Jaime Viscasillas
University CEU Cardenal Herrera · Animal Medicine and Surgery

Doctor of Veterinary Medicine

About

63
Publications
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330
Citations

Publications

Publications (63)
Article
Full-text available
This study compared four methods to provide intraoperative analgesia during canine ovariohysterectomy in a veterinary teaching hospital. A retrospective study was designed to assess the nociceptive response, cardiorespiratory stability, quality of recovery and complications of four analgesic protocols: epidural analgesia (EPIDURAL group), Quadratus...
Article
Objectives To quantify and explore risk factors in dogs seen at primary care UK veterinary clinics for general anaesthetic (GA)/sedative-related death overall, in addition to neuter-specific procedures. Study design A nested case-control study within UK primary-care veterinary electronic patient record surveillance programme, VetCompass, including...
Article
Full-text available
Quadratus lumborum block (QLB) is used to provide analgesia for abdominal surgery in humans. The aim of this study was to assess an anaesthetic protocol involving the QLB for canine ovariohysterectomy. Ten dogs were included. Anaesthetic protocol consisted of premedication with IM medetomidine (20 μg kg−1) and SC meloxicam (0.1 mg kg−1), induction...
Article
Full-text available
The COVID-19 pandemic has revealed a ventilator deficit in the global health system for this scenario. For this reason, several national and international projects have been developed to get done prototypes of ventilators which could be easy and fast to manufacture. One of the requirements of the AEMPS for conducting clinical studies with new proto...
Article
Full-text available
Ultrasound-guided quadratus lumborum block (QLB) is a locoregional technique described in canine cadavers. The aim of this study was to assess a modified approach to QLB to minimise potential complications such as abdominal organ puncture. Nine canine cadavers were included and were positioned in lateral recumbency. An ultrasound-guided QLB was per...
Article
Full-text available
Significance Bioelectronic modulation of the autonomic nervous system innervating the spleen represents a new therapeutic avenue. Studies in rodents suffer from the limitation that stimulation parameters and anatomy are not directly applicable to humans. This work demonstrates the translation of biological mechanisms in a large animal model with si...
Article
La pandemia COVID-19ha puesto de manifiesto un déficit de ventiladores en el sistema sanitario para estas situaciones. Por ello, varios proyectos nacionales e internacionales se han desarrollado en pocas semanas para producir prototipos de ventiladores de fácil y rápida fabricación. Una de las exigencias de la AEMPS para la realización de estudios...
Article
Full-text available
Background: Standing surgery in horses combining intravenous sedatives, analgesics and local anaesthesia is becoming more popular. Ultrasound guided (USG) peribulbar nerve block (PB) has been described in dogs and humans for facial and ocular surgery, reducing the risk of complications versus retrobulbar nerve block (RB). Objective: To describe...
Article
Background Neuromodulation by electrical stimulation of the human cervical vagus nerve may be limited by adverse side effects due to stimulation of off-target organs. It may be possible to overcome this by spatially selective stimulation of peripheral nerves. Preliminary studies have shown this is possible using a cylindrical multielectrode human-s...
Article
Objective: To describe a novel in-plane ultrasound (U/S)-guided temporal approach to peribulbar block in dogs. Study design: Prospective experimental cadaver study. Animals: A group of 10 Beagle cadavers. Methods: After describing the U/S anatomy, peribulbar injection was performed bilaterally in 10 thawed Beagle cadavers by two randomly ass...
Article
Objective To examine the anatomy of the lumbar epaxial region and to describe two different ultrasound-guided approaches for the lumbar erector spinae plane (ESP) block in dogs. Study design An anatomical and experimental cadaveric study. Animals Canine cadavers (19). Methods The anatomy was described following dissection of two cadavers. Bilate...
Article
Resumen La pandemia COVID-19 ha puesto de manifiesto un déficit de ventiladores en el sistema sanitario para estas situaciones. Por ello, varios proyectos a nivel nacional e internacional se han desarrollado en pocas semanas para producir prototipos de ventiladores de fácil y rápida fabricación. Una de las exigencias de la AEMPS para la realización...
Article
Full-text available
Recent research supports that over-activation of the carotid body plays a key role in metabolic diseases like type 2 diabetes. Supressing carotid body signalling through carotid sinus nerve (CSN) modulation may offer a therapeutic approach for treating such diseases. Here we anatomically and histologically characterised the CSN in the farm pig as a...
Article
A nine-year-old female alpaca with a history of a recurrent tooth root abscess presented for further investigation of a swelling of the left mandible and possible tooth extraction. During the manipulation of the mandible in surgery, the mandibular body fractured, and due to active infection it was left to heal by secondary intention. After surgery,...
Article
Full-text available
Las técnicas de anestesia locorregional a nivel del miembro anterior ejecutadas mediante técnicas ciegas han ido perdiendo relevancia en clínica de pequeños animales dado que presentan un mayor riesgo de com-plicaciones y tasas de éxito más reducidas por la com-plejidad de las estructuras nerviosas diana. El empleo de técnicas de bloqueo nervioso g...
Article
Full-text available
Background: The caudal thoracic paravertebral (CTPV) block is a regional anesthesia technique currently used in human medicine to provide analgesia in abdominal surgical procedures. Aim: The objectives of this study are to describe an ultrasound-guided technique to place catheters in CTPV space in canine cadavers and evaluate the distribution of...
Article
Purpose Heart donation after circulatory death (DCD) has significantly improved organ utilisation with promising early outcomes. To date, adult DCD heart programmes have relied largely on ex-situ heart perfusion during transport of the donor organs even after normothermic regional perfusion (NRP) in the donor where the heart is formally assessed af...
Preprint
Neuromodulation by electrical stimulation of the human cervical vagus nerve may be limited by adverse side effects due to stimulation of off-target organs. It may be possible to overcome this by spatially selective stimulation of peripheral nerves. Preliminary studies have shown this is possible using a cylindrical multielectrode nerve cuff optimis...
Article
Full-text available
Objective. Non-invasive imaging techniques are undoubtedly the ideal methods for continuous monitoring of neural activity. One such method, fast neural electrical impedance tomography (EIT) has been developed over the past decade in order to image neural action potentials with non-penetrating electrode arrays. Approach. The goal of this study is tw...
Article
A two-year, three-month-old male entire springer spaniel presented for right thoracic limb lameness. Radiographs of both elbows revealed a right lateral humeral condylar fracture. Local anaesthesia using bupivacaine was supplied to the site using a continuous stay peri-neural catheter at the brachial plexus. The fracture was stabilised using a lag...
Article
The objective of this study was to compare two different local anaesthesia techniques for intraoperative analgesia in dogs undergoing surgical procedures distal to the mid humeral diaphysis. Thirty-two dogs were divided into two groups: the US group received an ultrasound-guided brachial plexus block at the level of the first rib and the N group re...
Article
Full-text available
Objective: Non-invasive imaging techniques are undoubtedly the ideal methods for continuous monitoring of neural activity. One such method, fast neural electrical impedance tomography (EIT) has been developed over the past decade in order to image neural action potentials with non-penetrating electrode arrays. Approach: The goal of this study is...
Article
Objective To describe a novel ultrasound-guided posterior extraconal block in the dog. Study design Prospective experimental cadaveric study. Animals A total of 13 Beagle Cross cadaver heads. Methods After describing the ultrasound bony landmarks and posterior extraconal local regional technique in one head, 12 heads were used to evaluate the sp...
Article
Objectives: The aim of this study was to describe the anaesthetic management and perianaesthetic complications encountered during hypophysectomy surgery in acromegalic cats. We explored relationships between animal demographic data, the anaesthetic protocol used and presence of perioperative complications. Methods: Cats having undergone hypophys...
Article
Full-text available
Otitis externa is a painful condition that may require surgical intervention in dogs. A balanced analgesia protocol should combine systemic analgesic agents and local anaesthesia techniques. The aim of the study was to find anatomical landmarks for the great auricular and the auriculotemporal nerves that transmit nociceptive information from the ea...
Article
Objective To describe a novel in-plane ultrasound-guided approach to the sixth (C6), seventh (C7), eighth (C8) cervical and to the first thoracic (T1) spinal nerves. Study design Prospective, descriptive, experimental anatomic study Animals Seven canine Beagle cadavers weighing a mean ± standard deviation of 9.5 ± 1.0 kg. Methods Phase 1: One cadav...
Article
Full-text available
Chronic thromboembolic disease (CTED) is suboptimally defined by a mean pulmonary artery pressure (mPAP) <25 mmHg at rest in patients that remain symptomatic from chronic pulmonary artery thrombi. To improve identification of right ventricular (RV) pathology in patients with thromboembolic obstruction, we hypothesized that the RV ventriculo-arteria...
Article
Objective: To describe an ultrasound-guided thoracic paravertebral block in canidae. Study design: Prospective, experimental, cadaveric study. Animals: Twelve thawed fox cadavers. Methods: A 15 MHz linear transducer was used to visualize the paravertebral space at the level of the fifth thoracic vertebrae. Iohexol (300 mg mL(-1)) at 0.2 mL k...
Article
Can intermittently administered locoregional an- algesia alone provide adequate postoperative analgesia for small animal surgical patients? How can differential blockade (ie, analgesia without nerve paralysis) be achieved?
Article
Objectives: To describe the ultrasound-guided transversus abdominis plane (TAP) block using a subcostal oblique approach in dog cadavers and to evaluate the spread of a methylene blue solution using a multiple-injection technique. Study design: Prospective, descriptive, experimental anatomic study. Animals: Nine adult Beagle cadavers weighing...
Article
Objective To describe four ultrasound-guided approaches to the lumbar and thoracic spine to aid spinal canal puncture in the dog and to evaluate the feasibility of the technique. Study designProspective experimental study. Animal populationTwo canine cadavers. Methods In the first part of the study, the ultrasonographic appearance of the interlamin...
Article
A two-day-old heifer calf presented with a non-weight bearing right hindlimb lameness following a traumatic event. A closed, complete, overriding, displaced fracture of the distal right metatarsal diaphysis was diagnosed and closed reduction and cast placement was elected as treatment. The calf was sedated intravenously with a combination of diazep...
Article
Full-text available
Objective To describe an ultrasound-guided approach for lumbar plexus catheter placement in dogs. Study designProspective experimental cadaveric study. AnimalsEleven thawed canine cadavers (132 kg). Material and methodsA technique to place a catheter in the psoas compartment at the level of the lumbar plexus under ultrasound guidance was described....
Article
PULMONIC stenosis (PS) is a common congenital cardiac defect in dogs (Buchanan 1992). Depending on the type of stenosis and its severity, surgical management is required. Balloon valvuloplasty (BV) is a non-invasive surgical technique that has become commonly performed in veterinary medicine (Bussadori and others 2001). Several protocols to anaest...
Article
Full-text available
A 5-year-old female, neutered domestic short-hair cat was presented for unilateral pelvic fracture. A balanced anesthesia technique was used in this patient. Spinal anesthesia was performed to provide analgesia, muscle relaxation and decrease requirements of general anesthetics during the surgical procedure and decrease the dose of systemic analges...
Article
The aim of this study was to report the anaesthetic management and peri-anaesthetic complications of 57 dogs undergoing pacemaker implantation at a referral institution over 10 years (2002-2012). The median duration of the procedure was 135 minutes (range 25-260 minutes). Patients were classified as American Society of Anaesthesiologist (ASA) III (...
Article
Sacrococcygeal epidural anaesthesia allows selective desensitisation of the sacral plexus. Ultrasound is used for guidance in human anaesthesia to facilitate sacrococcygeal epidural injections. The aims of this study were to describe the sonographic appearance of the sacrococcygeal region in dogs and a technique for performing epidural injection at...
Article
To determine if the use of needle enhancing software facilitate injection technique in ultrasound-guided peripheral nerve blocks. Prospective, blinded, randomized controlled trial. Eight hind limbs from canine cadavers. The limbs were randomly allocated to two groups; software on (group I) and software off (group II). Eight anaesthetists with no pr...
Article
Objective To compare the success by inexperienced anaesthetists of using a modified infraorbital approach to the maxillary nerve with the traditional percutaneous approach. Study design Prospective, randomized, blinded controlled study. Animals Heads from 37 euthanized Beagle and Beagle cross dogs. Methods Four anaesthetists were recruited to perfo...
Article
The aim of this study is to compare two anaesthetic protocols for orchidectomy in dogs. Twenty dogs received medetomidine (10 mu g/kg) and buprenorphine (20 mu g/kg) intravenously.. Intratesticular and incisional line injections with lidocaine 2% (4 mg/kg) were administered to 10 dogs and propofol boluses to effect were administered to the second g...

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