Catheters and Infections

Siracusano, Salvatore; Ciciliato, Stefano; Ollandini, G.; Visalli, Francesco

doi:10.5772/21877

Cited by 5 publications

(3 citation statements)

References 40 publications

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“…A recent report showed 100% bacteremia in urine samples of patients catheterized for more than 30 days, mostly presenting as asymptomatic and insignificant bacteriuria out of which 24% subsequently converted to symptomatic bacteriuria. [ 15 ]…”

Section: Discussionmentioning

confidence: 99%

Biofilms on indwelling urologic devices: Microbes and antimicrobial management prospect

Chatterjee¹,

Maiti²,

Dey³

et al. 2014

Ann Med Health Sci Res

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Background:Biofilms (BFs) are a potential source of highly resistant infections, frequently formed on devicesand pose problems for management.Aim:This study was to develop rational approach for prevention of indwelling urologic device associated biofilm colonization.Subjects and Methods:From randomly selected patients visiting Department of Urology of a tertiary hospital in India 150 uro catheters and 31 used ureteric stents, in-situ for > 30, were collected aseptically. The organisms were isolated and identified from washed devices dipped in broth. Evidence of bacteriuria in each case was checked by semi-quantitative method of urine culture, on day 0 and 14 of device use. The BF statuses of the device-adhered organisms were confirmed by modified method of Christensen. The antibiotic susceptibility was determined by disc diffusion method. Data were analyzed using the Graphpad Prism version 5 statistical software.Results:Both single and multi-species BFs were formed on catheters, whereas mono-bacterial BFs were exclusive on stents. Predominant organisms were Pseudomonas aeruginosa (30.67%,69/225,) followed by Staphylococcus aureus (15.11%, 34/225), Escherichia coli (13.78%, 31/225), Klebsiella pneumoniae (12%, 27/225), Staphylococcus epidermidis (8.44%, 19/225). Of all strains, (89.33%, 201/225) were found to be BF positive and their colonizations were early indicated by the presence of insignificant bacteriuria in follow-up urine samples. All BF isolates were resistant to at least three antibiotics.Conclusions:BF colonization was almost inevitable in prolonged used urinary devices and the most frequent organisms were Pseudomonas, Staphylococcus, and Escherichia spp. Their colonizations usually were indicated by insignificant bacteriuria from follow-up samples. Such BF dislodged organisms were multidrug resistant and could be a source of disseminated infection, yet were in-vitro preventable by many drugs.

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Section: Discussionmentioning

confidence: 99%

Biofilms on indwelling urologic devices: Microbes and antimicrobial management prospect

Chatterjee¹,

Maiti²,

Dey³

et al. 2014

Ann Med Health Sci Res

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“…ese products are mainly applied in medicine, in elds such as vascular surgery, and optics. Poly(vinyl chloride), poly(vinyl acetate) and silicone are used to produce various types of catheters with diameters as small as 2 mm [7,8]; PVC and polyurethane (PUR) are applied in the production of tubing with even smaller diameters -0.5 mm [9].…”

Section: Introductionmentioning

confidence: 99%

The production and properties of micro-extruded low-density polyethylene microtubes

Głogowska

Sikora

2017

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Micro-extrusion is the process of obtaining microtubes with either simple or complex cross-sections which are used for the high-precision transport and protection of various of media. rough this process, it is possible to create tubing with interior diameters and wall thicknesses as small as 0.1 mm and 0.05 mm respectively. Micro-extruded tubing such as micro catheters and peripheral intravenous cannulas are employed in micro uidics, paediatrics and micro-analytics. is article presents the results of granulometric tests of micropellets produced by micro-extrusion with cold pelletizing and results of tensile strength tests of microrods of di erent diameters. e trials were performed using a standard twin-screw extruder and low-density polyethylene.Keywords: polymer micro-extrusion, low-density polyethylene, micropellets Streszczenie Mikrowytłaczanie to proces wytwarzania mikrorurek prostych lub złożonych w przekroju poprzecznym, używanych do wysoce precyzyjnego przesyłu oraz ochrony różnych mediów. Dzięki temu procesowi możliwe jest uzyskanie rurek o średnicy wewnętrznej i grubości ścianek tak małych jak 0,1 mm i 0,5 mm. Rurki wytłoczone w ten sposób, np. mikrocewniki i kaniule dożylne, stosowane są w technikach mikroprzepływowych, pediatrii i mikroanalizie. Niniejszy artykuł przedstawia wyniki testów granulometrycznych mikrogranulek wytworzonych poprzez mikrowytłaczanie z granulowaniem na zimno, jak również testów wytrzymałości na rozciąganie mikrożyłek o różnych średnicach. Próby zostały przeprowadzone przy użyciu standardowej wytłaczarki dwuślimakowej i polietylenu małej gęstości.Słowa klucze: mikrowytłaczanie polimerów, polietylen małej gęstości, mikrogranulki 160

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“…10 By the late 1800s, Sir Peter Freyer had performed the first open prostatectomy, and by the mid1930s the transurethral resection of the prostate (TURP) was quickly becoming the gold standard of surgical procedures for treatment of BPH. In 1935 Frederick Foley introduced the modern catheter.…”

Section: Current Bph Treatment Paradigmmentioning

confidence: 99%

Optimizing Population Health and Economic Outcomes: Innovative Treatment for BPH

Janice¹

2013

Population Health Management

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Catheters and Infections

Cited by 5 publications

References 40 publications

Biofilms on indwelling urologic devices: Microbes and antimicrobial management prospect

Biofilms on indwelling urologic devices: Microbes and antimicrobial management prospect

The production and properties of micro-extruded low-density polyethylene microtubes

Optimizing Population Health and Economic Outcomes: Innovative Treatment for BPH

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