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You searched for +publisher:"University of Guelph" +contributor:("Brisson, Brigitte"). Showing records 1 – 3 of 3 total matches.

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University of Guelph

1. Ogilvie, Adam Timothy. THE IMPACT OF SILVER-COATING OF A URINARY CATHETER ON BACTERIAL ADHERENCE, BIOFILM FORMATION, BACTERIURIA, POSITIVE CULTURE, UTI, AND THE ASSOCIATION OF UROVIRULENCE FACTORS WITH BIOFILM FORMATION IN ESCHERICHIA COLI .

Degree: 2015, University of Guelph

Catheter-associated bacteriuria (CAB) and urinary tract infection (CAUTI) are important clinical problems in catheterized humans and dogs. A variety of methods to reduce CAB and CAUTI have been investigated, and in humans, silver coating of urinary catheters has been shown to reduce CAB and CAUTI in randomized prospective clinical trials. The objectives of the studies reported in this thesis are to evaluate adherence of clinical isolates of E. coli to a silver coated urinary catheter, evaluate the potential association of E. coli urovirulence factors to E. coli biofilm formation in vitro, and assess the efficacy of the silver coated urinary catheter in canine patients in a randomized clinical trial. Clinical isolates of E. coli were incubated with silver coated and standard (uncoated) urinary catheters. Significantly fewer bacteria were adhered to the silver coated urinary catheter at 24, 48, and 72 hours of incubation, and following subjective analysis using SEM analysis. Clinical isolates of E. coli were investigated for the presence of urovirulence factors and the association between these urovirulence factors and biofilm formation in vitro. Prevalence of urovirulence factors were similar to what has been reported, and cnf1 was associated with biofilm formation. A prospective, randomized, controlled clinical trial was performed to assess the ability of silver coated urinary catheters to reduce CAB and CAUTI in hospitalized dogs requiring catheterization. Catheterized dogs were assessed for bacteriuria, positive culture, and urinary tract infections following catheterization. No significant differences were noted between groups in regard to CAB, CAUTI, and positive culture incidence in the two groups. We have shown that clinical E. coli isolates adhered less to a silver coated urinary catheter compared to a non-silver coated urinary catheter in vitro, and that cnf1 is associated with in vitro biofilm formation. We were unable to detect a significant difference in CAUTI or CAB in hospitalized dogs, most likely due to low study numbers. Further clinical studies are required to determine the utility of these catheters in hospitalized patients. Advisors/Committee Members: Brisson, Brigitte (advisor).

Subjects/Keywords: Silver; Urine; Urinary Catheter; Biofilm; Escherichia coli

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APA · Chicago · MLA · Vancouver · CSE | Export to Zotero / EndNote / Reference Manager

APA (6th Edition):

Ogilvie, A. T. (2015). THE IMPACT OF SILVER-COATING OF A URINARY CATHETER ON BACTERIAL ADHERENCE, BIOFILM FORMATION, BACTERIURIA, POSITIVE CULTURE, UTI, AND THE ASSOCIATION OF UROVIRULENCE FACTORS WITH BIOFILM FORMATION IN ESCHERICHIA COLI . (Thesis). University of Guelph. Retrieved from https://atrium.lib.uoguelph.ca/xmlui/handle/10214/8669

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16th Edition):

Ogilvie, Adam Timothy. “THE IMPACT OF SILVER-COATING OF A URINARY CATHETER ON BACTERIAL ADHERENCE, BIOFILM FORMATION, BACTERIURIA, POSITIVE CULTURE, UTI, AND THE ASSOCIATION OF UROVIRULENCE FACTORS WITH BIOFILM FORMATION IN ESCHERICHIA COLI .” 2015. Thesis, University of Guelph. Accessed November 20, 2019. https://atrium.lib.uoguelph.ca/xmlui/handle/10214/8669.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7th Edition):

Ogilvie, Adam Timothy. “THE IMPACT OF SILVER-COATING OF A URINARY CATHETER ON BACTERIAL ADHERENCE, BIOFILM FORMATION, BACTERIURIA, POSITIVE CULTURE, UTI, AND THE ASSOCIATION OF UROVIRULENCE FACTORS WITH BIOFILM FORMATION IN ESCHERICHIA COLI .” 2015. Web. 20 Nov 2019.

Vancouver:

Ogilvie AT. THE IMPACT OF SILVER-COATING OF A URINARY CATHETER ON BACTERIAL ADHERENCE, BIOFILM FORMATION, BACTERIURIA, POSITIVE CULTURE, UTI, AND THE ASSOCIATION OF UROVIRULENCE FACTORS WITH BIOFILM FORMATION IN ESCHERICHIA COLI . [Internet] [Thesis]. University of Guelph; 2015. [cited 2019 Nov 20]. Available from: https://atrium.lib.uoguelph.ca/xmlui/handle/10214/8669.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

Ogilvie AT. THE IMPACT OF SILVER-COATING OF A URINARY CATHETER ON BACTERIAL ADHERENCE, BIOFILM FORMATION, BACTERIURIA, POSITIVE CULTURE, UTI, AND THE ASSOCIATION OF UROVIRULENCE FACTORS WITH BIOFILM FORMATION IN ESCHERICHIA COLI . [Thesis]. University of Guelph; 2015. Available from: https://atrium.lib.uoguelph.ca/xmlui/handle/10214/8669

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation


University of Guelph

2. Huska, Jonathan. Comparison of Hemilaminectomy and Mini-hemilaminectomy in Dogs with Thoracolumbar Intervertebral Disc Extrusion Using Computed Tomography and Magnetic Resonance Imaging: An Anatomical and Radiological Study .

Degree: 2013, University of Guelph

This thesis is an investigation of the access provided to the vertebral canal in dogs by the hemilaminectomy and mini-hemilaminectomy surgical techniques using computed tomography (CT), and the completeness of evacuating extruded material in dogs with intervertebral disc (IVD) extrusion using magnetic resonance imaging (MRI). Hemilaminectomy and mini-hemilaminectomy were performed on opposite sides of the spine at T11-T12, T13-L1, and L2-L3 in 10 cadavers. Measurements of the vertebral canal height, defect height, and any dorsal and ventral remnants of the vertebral arch were obtained by CT. A covariate analysis was used to compare measurements with the surgical technique, surgical site, and side of the vertebral column. Defect height was greater with hemilaminectomy due to a smaller dorsal lamina remnant. There was no statistical difference in the height of the ventral remnant, or with surgical site. Nineteen prospectively recruited dogs with suspected IVD extrusion were randomly assigned to hemilaminectomy (10 dogs) or mini-hemilaminectomy (9 dogs) groups. Intervertebral disc extrusion was identified pre-operatively with MRI and later confirmed surgically, and immediate post-operative MRI was performed at the surgical site. The volume of extruded IVD material pre- and post-operative was calculated from transverse T2 images. Although residual IVD material was present in post-operative images from all dogs in the hemilaminectomy group and only 4 in the mini-hemilaminectomy group, there was no statistically significant difference between the proportionate volumes of material removed by either technique. The median residual volume with hemilaminectomy was 13.6% (confidence interval: 7.8 – 23.6%), and with mini-hemilaminectomy was 7.7% (4.3 – 13.8%). The results of this study confirm that the difference in the defect height between techniques is related to the removal of the articular processes creating a larger defect along the dorsal vertebral canal, while no difference in access to the ventral canal was observed. No effect of vertebral site was detected suggesting neither procedure provides an advantage over the other due to location of the lesion along the thoracolumbar spine. Residual extruded IVD material occurs with both techniques; while no statistical difference was noted, a larger population should be examined. Advisors/Committee Members: Gaitero, Luis (advisor), Brisson, Brigitte (advisor).

Subjects/Keywords: Intervertebral Disc Disease; Intervertebral Disc Herniation; Mini-hemilaminectomy; Pediculectomy; Hemilaminectomy; Canine; Dog

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APA · Chicago · MLA · Vancouver · CSE | Export to Zotero / EndNote / Reference Manager

APA (6th Edition):

Huska, J. (2013). Comparison of Hemilaminectomy and Mini-hemilaminectomy in Dogs with Thoracolumbar Intervertebral Disc Extrusion Using Computed Tomography and Magnetic Resonance Imaging: An Anatomical and Radiological Study . (Thesis). University of Guelph. Retrieved from https://atrium.lib.uoguelph.ca/xmlui/handle/10214/5320

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16th Edition):

Huska, Jonathan. “Comparison of Hemilaminectomy and Mini-hemilaminectomy in Dogs with Thoracolumbar Intervertebral Disc Extrusion Using Computed Tomography and Magnetic Resonance Imaging: An Anatomical and Radiological Study .” 2013. Thesis, University of Guelph. Accessed November 20, 2019. https://atrium.lib.uoguelph.ca/xmlui/handle/10214/5320.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7th Edition):

Huska, Jonathan. “Comparison of Hemilaminectomy and Mini-hemilaminectomy in Dogs with Thoracolumbar Intervertebral Disc Extrusion Using Computed Tomography and Magnetic Resonance Imaging: An Anatomical and Radiological Study .” 2013. Web. 20 Nov 2019.

Vancouver:

Huska J. Comparison of Hemilaminectomy and Mini-hemilaminectomy in Dogs with Thoracolumbar Intervertebral Disc Extrusion Using Computed Tomography and Magnetic Resonance Imaging: An Anatomical and Radiological Study . [Internet] [Thesis]. University of Guelph; 2013. [cited 2019 Nov 20]. Available from: https://atrium.lib.uoguelph.ca/xmlui/handle/10214/5320.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

Huska J. Comparison of Hemilaminectomy and Mini-hemilaminectomy in Dogs with Thoracolumbar Intervertebral Disc Extrusion Using Computed Tomography and Magnetic Resonance Imaging: An Anatomical and Radiological Study . [Thesis]. University of Guelph; 2013. Available from: https://atrium.lib.uoguelph.ca/xmlui/handle/10214/5320

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

3. Pask, Jessica. Antibacterial Activity and Factors Impacting Antibacterial Stability of Southwestern Ontario Honey.

Degree: 2013, University of Guelph

This thesis presents results from a two part, prospective study using honey collected from Guelph and surrounding area in southwestern Ontario. The first part determined the antibacterial of honey by collecting 26 samples of honey over two summers (2011-2012) and conducting microbroth and agar dilution assays and comparing the results to those of the criterion standard, Medihoney™ (100% manuka honey paste). Some honey samples from southwestern Ontario had antibacterial activity that was not significantly different from that of Medihoney™. The second part evaluated the effects of storage and gamma irradiation on the antibacterial activity of highly antibacterial honeys. It was found that storage for 8 months at 4°C and -20°C reduced the antibacterial activity of honey. The antibacterial activity of honey was not altered after gamma irradiation. Advisors/Committee Members: Mathews, Karol (advisor), Brisson, Brigitte (advisor).

Subjects/Keywords: Wounds; Wound healing; Medical honey; Honey; Manuka honey; Storage; Gamma irradiation; Microbroth dilution; Agar dilution; Glucose oxidase; Floral origins; Pollen analysis

…3 1.1 GOALS OF THE STUDY This prospective study was conducted at the University of… …Guelph, Ontario Veterinary College with the following objectives: (i) to identify… 

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APA · Chicago · MLA · Vancouver · CSE | Export to Zotero / EndNote / Reference Manager

APA (6th Edition):

Pask, J. (2013). Antibacterial Activity and Factors Impacting Antibacterial Stability of Southwestern Ontario Honey. (Thesis). University of Guelph. Retrieved from https://atrium.lib.uoguelph.ca/xmlui/handle/10214/7409

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16th Edition):

Pask, Jessica. “Antibacterial Activity and Factors Impacting Antibacterial Stability of Southwestern Ontario Honey.” 2013. Thesis, University of Guelph. Accessed November 20, 2019. https://atrium.lib.uoguelph.ca/xmlui/handle/10214/7409.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7th Edition):

Pask, Jessica. “Antibacterial Activity and Factors Impacting Antibacterial Stability of Southwestern Ontario Honey.” 2013. Web. 20 Nov 2019.

Vancouver:

Pask J. Antibacterial Activity and Factors Impacting Antibacterial Stability of Southwestern Ontario Honey. [Internet] [Thesis]. University of Guelph; 2013. [cited 2019 Nov 20]. Available from: https://atrium.lib.uoguelph.ca/xmlui/handle/10214/7409.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

Pask J. Antibacterial Activity and Factors Impacting Antibacterial Stability of Southwestern Ontario Honey. [Thesis]. University of Guelph; 2013. Available from: https://atrium.lib.uoguelph.ca/xmlui/handle/10214/7409

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

.