References of "Busoni, Valeria"
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See detailB-mode and power Doppler ultrasonography of the equine suspensory ligament branches.
Rabba, Silvia ULg; Grulke, Sigrid ULg; Verwilghen, Denis et al

in Proceedings SIVE International Congres (2012)

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See detailThe equine stifle and tarsus
Busoni, Valeria ULg; Audigié, Fabrice

in Textbook of Veterinary Diagnostic Radiology 6th Edition (2012)

This is a comprehensive chapter on radiology of the equine tarsus and stifle.

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See detailA study of the caeco-colic vessels and lymph nodes at equine transabdominal ultrasonography
Evrard, Laurence ULg; Esmans, Maya; Etienne, Anne-Laure ULg et al

in Veterinary Radiology & Ultrasound (2012)

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See detailComparison of the sedative and hemodynamic effects of acepromazine and promethazine in the standing horse.
Pequito, Manuel; Amory, Hélène ULg; Serteyn, Didier ULg et al

in Journal of Equine Veterinary Science (2012), 32(12), 1-6

The objective of this study was to compare the sedative and peripheral hemodynamic effects of acepromazine (ACP) and promethazine (PTZ) in the standing healthy horse. Nine healthy Warmblood horses ... [more ▼]

The objective of this study was to compare the sedative and peripheral hemodynamic effects of acepromazine (ACP) and promethazine (PTZ) in the standing healthy horse. Nine healthy Warmblood horses randomly received either intravenous ACP at 0.1 mg/kg or PTZ at 0.1, 0.2, and 0.3 mg/kg. A sedation score based on clinical examination was recorded, and systolic arterial blood pressure was noninvasively evaluated using a Doppler flow detector at the tail, just before and every 15 minutes until 60 minutes after drug injection. Hemodynamics of the median artery of the left forelimb was studied using Doppler ultrasonography just before and 45 minutes after injection of the drug, which allowed calculation of surface (SURF), diameter (DIAM), and circumference (CIRC) of the vessel and peak systolic velocity (PSV), end diastolic velocity (EDV), mean velocity (MV), volumetric flow (VF), and resistivity index (RI) of the blood flow. Regardless of the dose used, PTZ had lesser sedative and hypotensive effects than ACP at 0.1 mg/kg and did not induce significant variations in SURF, DIAM, CIRC, PSV, EDV, MV, VF, and RI of the studied standing horses. Conversely, the vasodilatory properties of ACP were illustrated by a significant increase in SURF, DIAM, CIRC, PSV, EDV, MV, and VF and a significant reduction of the RI. Unlike ACP, PTZ did not induce alterations on the morphology of the Doppler waveform. PTZ appears to have less sedative and peripheral vasodilator effects than ACP, thus it could be safer than ACP in patients suffering from hypotension. [less ▲]

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See detailIMAGING FINDINGS IN HORSES WITH PHARYNGEAL SQUAMOUS CELL CARCINOMA
Etienne, Anne-Laure ULg; Evrard, Laurence ULg; Bolen, Géraldine ULg et al

Poster (2012)

Introduction Squamous cell carcinoma (SCC) has been occasionally reported in the equine pharyngeal region1-3. The aim of this poster is to describe imaging findings in 4 cases of pharyngeal SCC. Material ... [more ▼]

Introduction Squamous cell carcinoma (SCC) has been occasionally reported in the equine pharyngeal region1-3. The aim of this poster is to describe imaging findings in 4 cases of pharyngeal SCC. Material and methods Four old horses, mean age 19.5, 2 females and 2 geldings, were referred for dyspnea (3/4) and/or dysphagia (3/4). Because of dyspnea radiographs were realized prior to endoscopy. Ultrasound (US) was performed in all cases by ventral and lateral approach using a linear 7,5MHz transducer. A post-mortem computed tomography (CT) of the head was performed in one case (16 slices CT, Somatom 16, Siemens). Results Radiographic opacity of the pharyngeal region was increased in all cases. A soft tissue mass was also visible in the caudal maxillary sinus in 1 horse. The epiglottis was either not recognized or difficult to see with an abnormal shape. Pharyngoepiglottic distance and nasopharyngeal diameter were reduced in all cases. The soft palate was either thick or impossible to be outlined, with an irregular surface. In 1 case it was dorsally displaced. The dorsal pharyngeal wall looked unevenly thickened or impossible to be outlined ventrally due to border effacement. No bony damage was identified on radiographs. A hypoechoic heterogeneous mass was visualized at US in 2 cases and an enlargement of the mandibular lymph nodes was observed in 3 cases. Lymphnodes had also heterogeneous echogenicity and increased doppler signal in 1 case. Oral and pharyngeal endoscopic examination confirmed a pharyngeal mass in 2 cases but was unsuccessful or incomplete because of passage impairment in 2. CT revealed maxillary bone lysis in the horse with a mass in the maxillary sinus. Histopathological examination of local biopsies or necropsy revealed pharyngeal SCC invading epiglottis, pharyngeal wall and soft palate in the 4 horses and the maxillary sinus in one. Discussion/Conclusion Because endoscopy can be impaired by the size of the mass, radiology is helpful in estimating the extent and invasiveness of the process and US to confirm lymphadenopathy. However because of its relatively low sensitivity and the local increased opacity, radiographic examination may underestimate bone lysis. [less ▲]

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See detailThe diagnostic value of equine rectal and duodenal biopsies.
Tossens, Morgane; Borde, Laura ULg; Amory, Hélène ULg et al

in Journal of Veterinary Internal Medicine (2012), 26(2), 430-431

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See detailInvestigation of the best suture pattern to close a stuffed Christmas turkey
Verwilghen, Denis ULg; Busoni, Valeria ULg; Van Galen, Gaby ULg et al

in Veterinary Record : Journal of the British Veterinary Association (2011), 169(26), 685-686

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See detailTheoretical discrepancy between cage size and efficient tibial tuberosity advancement in dogs treated for cranial cruciate ligament rupture
Etchepareborde, Sébastien ULg; Mills; Busoni, Valeria ULg et al

in Veterinary and Comparative Orthopaedics and Traumatology (2011), 24

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See detailImpact of successive freezing-thawing cycles on 3-T magnetic resonance images of the digits of isolated equine limbs
Bolen, Géraldine ULg; Haye, Dimitri; Dondelinger, Robert ULg et al

in American Journal of Veterinary Research (2011), 72(6), 780-790

The purpose of this study was to assess the impact of freezing and thawing on MR images of equine feet examined ex vivo. Nine equine cadaver digits were first imaged at room temperature (T0). Among the 9 ... [more ▼]

The purpose of this study was to assess the impact of freezing and thawing on MR images of equine feet examined ex vivo. Nine equine cadaver digits were first imaged at room temperature (T0). Among the 9 digits, 3 (group 1) were imaged in a 3 Tesla MR system after one and after 2 freezing-thawing cycles. Digits of group 1 were thawed in a cold room at 4°C for 36h. Three other digits (group 2) were imaged after one freezing-thawing cycle. Digits of group 2 were thawed in a cold room at 4°C and then rescanned after 24h at room temperature. The last 3 digits (group 3) were scanned after one freezing-thawing cycle. Digits of group 3 were thawed at room temperature for 24h. Sequences used were Spin Echo (SE) T1, Turbo Spin Echo (TSE) T2 and proton density (PD), Short Tau Inversion Recovery (STIR), Double Echo Steady State (DESS), 3D Gradient Echo (GE) T1 and 2D GE T2*. Images obtained on the fresh limbs at room temperature were subjectively compared side by side to images obtained at the different freezing-thawing cycles. A quantitative analysis to assess signal change between examinations was realized by measuring signal to noise ratio (SNR). Visibility and margination of the anatomical structures of the foot and overall image quality were subjectively considered unchanged except for the hoof where the lamina was considered less visible distally after freezing and thawing in the GE T2* and in TSE T2 and PD sequences. Quantitative analysis demonstrated SNR changes in the bone marrow only in the distal phalanx in the SE T1 sequence when the feet were thawed at room temperature. When the feet were thawed in a cold room at 4°C, bone marrow SNR changes were present in the SE T1, GE T1 and TSE PD sequences. Signal changes were significant in the synovial recess when the thawing process was made at 4°C and not when the thawing process was at ambient temperature. The soft tissue structures and the hoof capsule showed significant changes with an increase of SNR, except in STIR, after freezing and thawing at 4°C and at room temperature. SNR changes in the soft tissues were mainly present in GE sequences. [less ▲]

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See detailReversal of acepromazine-induced hemodynamic alterations by norepinephrine in standing horses
pequito, Manuel; Amory, Hélène ULg; Peters, Fabrice et al

Poster (2011, March 18)

Acepromazine (ACP) is a phenothiazine commonly used to sedate horses. Additionally, ACP exerts strong anti-inflammatory effects, which might have a therapeutic potential in horses suffering from systemic ... [more ▼]

Acepromazine (ACP) is a phenothiazine commonly used to sedate horses. Additionally, ACP exerts strong anti-inflammatory effects, which might have a therapeutic potential in horses suffering from systemic inflammatory response syndrome (SIRS). However, the ACP-induced vasodilation precludes its use in horses with SIRS-related cardiovascular compromise. The objective of this study was to test if the hemodynamic effects of the administration of 0,1 mg/kg of ACP could be counteracted by an intravenous infusion of norepinephrine (NOR) at 1ug/kg/min in healthy horses. In 5 healthy adult horses, a 15 minutes NOR IV infusion was administered 45 minutes after an injection of 0,1 mg/kg of ACP IV. The systolic arterial blood pressure (SAP) was non-invasively measured by Doppler sphingometry at the tail. Hemodynamics of the median artery of the left forelimb were studied using Doppler ultrasonography, through calculation of the vessel’s surface (SURF), diameter (DIAM), circumference (CIRC), and peak systolic velocity (PSV), end diastolic velocity (EDV), mean velocity (MV), volumetric flow (VF) and resistivity index (RI) of the flow. Both SAP and Doppler parameters were determined at regular intervals during the entire study. ACP induced a hypotension and a vasodilatation, that were evidenced by a significant rise of the SURF, DIAM, CIRC, PSV, EDV, MV and VF and reduction of the SAP and RI. During NOR infusion, all these ACP-induced hemodynamic changes were reversed. These findings suggest that a continuous IV NOR infusion at 1ug/kg/min is able to revert ACP-induced hypotension and vasodilation in healthy adult horses. [less ▲]

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See detailMettalic foreign body in a horse: case report
Evrard, Laurence ULg; Bolen, Géraldine ULg; Gougnard, Alexandra ULg et al

Poster (2011, January 22)

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See detailUltrasonographic findings in horses with foot pain but without radiographically detectable osseous abnormalities
Rabba, Silvia ULg; Bolen, Géraldine ULg; Verwilghen, Denis ULg et al

in Veterinary Radiology & Ultrasound (2011), 52(1), 95-102

Foot pain is an important cause of lameness in horses. When horses with foot pain have no detectable radiographic abnormalities, soft-tissue assessment remains a diagnostic challenge without magnetic ... [more ▼]

Foot pain is an important cause of lameness in horses. When horses with foot pain have no detectable radiographic abnormalities, soft-tissue assessment remains a diagnostic challenge without magnetic resonance (MR) imaging. Ultrasonography can provide an alternative to MR imaging when that modality is not available but the extent of changes that might be seen has not been characterized. We reviewed the ultrasonographic findings in 39 horses with lameness responding positively to anesthesia of the palmar digital nerves and without radiographically detectable osseous abnormalities. Thirty of the 39 horses had lesions affecting the deep digital flexor tendon (DDFT), 27 had abnormalities in the distal interphalangeal joint of which six had a visible abnormality in the collateral ligament. Ultrasonographic abnormalities were seen in the podotrochlear bursa in 22 horses and in the ligaments of the navicular bone in two horses. Abnormalities of the navicular bone flexor surface were detected in eight horses. In three of the 39 horses, only the DDFT was affected. The other 36 horses had ultrasonographic abnormalities in more than one anatomical structure. Based on our results, ultrasonographic examination provides useful diagnostic information in horses without radiographic changes. [less ▲]

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See detailMesure de la lordose thoracique du porc : méthode centroïde versus méthode de Cobb
Van Cauwenberge, H; Georis, P; Busoni, Valeria ULg et al

Poster (2011)

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See detailAn investigation of the relationships between foot conformation and distal interphalangeal joint effusion in young warmblood horses at the beginning of their training
Cubeddu, Francesca; Bastianacci, Valentina; Verwilghen, Denis et al

Poster (2011)

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See detailRELATIONSHIP BETWEEN FOOT CONFORMATION AND DISTAL INTERPHALANGEAL JOINT EFFUSION IN FRONTFEET OF YUNG HORSES AT THE BEGINNING OF THEIR TRAINING
Cubeddu, Francesca; Careddu, Gian Mario; Sanna Passino, Eraldo et al

in Atti del Congresso SISVET (2011)

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