Adherence ability of Staphylococcus epidermidis on prosthetic biomaterials: an in vitro study

Shida, Takayuki; Koseki, Haruhiko; Yoda, Itaru; Horiuchi, Hidehiko; Sakoda, Hideyuki; Osaki, Makoto

doi:10.2147/ijn.s51994

Cited by 20 publications

(9 citation statements)

References 36 publications

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“…The main concern of cemented prothesis as spacer is the formation of biofilms when using polyethylene as the weight-bearing surface. 20 – 22 However, it should be noted that there is no evidence that the biofilm formation rate of polyethylene is higher than that of polymethyl methacrylate. 23 Through follow-up observations, most studies in the literature have reported that the eradication rate with this type of spacer is 89% to 96%, which is not lower than that of cement spacers.…”

Section: Discussionmentioning

confidence: 99%

Cemented prosthesis as spacer for two-stage revision of infected hip prostheses: a similar infection remission rate and a lower complication rate

Zhang

Fang

Shi

et al. 2020

Bone & Joint Research

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Aims To explore the effect of different types of articulating antibiotic-loaded cement spacers in two-stage revision for chronic hip prosthetic joint infection (PJI). Methods A retrospective cohort study was performed involving 36 chronic PJI patients treated with different types of articulating antibiotic-loaded cement spacers between January 2014 and December 2017. The incidence of complications and the therapeutic effects of different types of antibiotic-loaded articulating cement spacers were compared. Results A total of 36 patients with chronic hip PJI were included. Of these, 13 patients were treated with spacers with Kirschner wires as an endoskeleton (group I), ten patients were treated with spacers with a cemented femoral prosthesis as an endoskeleton (group II), and 13 patients were treated with cemented femoral prostheses combined with polyethylene sockets as a spacer (group III). All patients were followed for 12 to 60 months, with a mean follow-up period of 26.44 months (SEM 14.09). Infection was controlled in 34 patients (94.44%), and there were no significant differences in the eradication rate among the three groups (p = 0.705), but the risk of complications related to the spacer in group III was significantly lower than that in groups I and II (p = 0.006). Conclusion Articulating antibiotic-loaded cement spacers is effective in the treatment of chronic hip PJI, but we must pay attention to the occurrence of spacer fracture and dislocation, which can lead to poor joint function. The risk of spacer-related mechanical complications is low, and better joint function can be achieved when using cemented femoral prostheses combined with polyethylene sockets as spacers. Cite this article: Bone Joint Res 2020;9(8):484–492.

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Section: Discussionmentioning

confidence: 99%

Cemented prosthesis as spacer for two-stage revision of infected hip prostheses: a similar infection remission rate and a lower complication rate

Zhang

Fang

Shi

et al. 2020

Bone & Joint Research

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“…The physical-chemical properties of microbial cells and their environment play a vital role in microbial metabolic processes. Specifically, the specific surface area (SSA) of feed materials contributes to the biological processes of catalysis, adhesion, and digestion for microbes (Christensen et al, 1985 ; Shida et al, 2013 ; Yoda et al, 2014 ) as a vital factor of interface property (Garzón and Sánchez-Soto, 2015 ). Electrokinetic properties, such as zeta potential (ξ) and electrophoretic mobility (μ e ), are highly relevant to this biological process (de Wouters et al, 2015 ).…”

Section: Introductionmentioning

confidence: 99%

Experimental Study and ANN Dual-Time Scale Perturbation Model of Electrokinetic Properties of Microbiota

et al. 2017

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The electrokinetic properties of the rumen microbiota are involved in cell surface adhesion and microbial metabolism. An in vitro study was carried out in batch culture to determine the effects of three levels of special surface area (SSA) of biomaterials and four levels of surface tension (ST) of culture medium on electrokinetic properties (Zeta potential, ξ; electrokinetic mobility, μe), fermentation parameters (volatile fatty acids, VFAs), and ST over fermentation processes (ST-a, γ). The obtained results were combined with previously published data (digestibility, D; pH; concentration of ammonia nitrogen, c(NH3-N)) to establish a predictive artificial neural network (ANN) model. Concepts of dual-time series analysis, perturbation theory (PT), and Box-Jenkins Operators were applied for the first time to develop an ANN model to predict the variations of the electrokinetic properties of microbiota. The best dual-time series Radial Basis Functions (RBR) model for ξ of rumen microbiota predicted ξ for >30,000 cases with a correlation coefficient >0.8. This model provided insight into the correlations between electrokinetic property (zeta potential) of rumen microbiota and the perturbations of physical factors (specific surface area and surface tension) of media, digestibility of substrate, and their metabolites (NH3-N, VFAs) in relation to environmental factors.

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“…Some once argued against the use of metal materials because of the adherence of Staphylococcus epidermidis to orthopedic biomaterials and the possibility of bacterial infection. [ 26 , 27 ] Several researchers have recently confirmed the safety of titanium cages for the treatment of vertebral osteomyelitis. [ 28 – 30 ]…”

Section: Discussionmentioning

confidence: 99%

Comparison of mid-term outcomes of posterior or postero-anterior approach using different bone grafting in children with lumbar tuberculosis

et al. 2019

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The anterior and middle columns instead of the posterior column of spine are usually destroyed by tuberculosis which could aggravate the kyphosis accompanying the growth imbalance of spine in children. The surgical method needs to be selected cautiously for effective treatment. To our knowledge, few studies have evaluated mid-term outcomes of 2 surgeries (posterior-only approach and combined posterior and anterior approaches) with allograft or shaped titanium mesh cages for the treatment of lumbar tuberculosis in children. The study aims to compare the surgical mid-term outcomes of the posterior-only approach and the combined approaches using different bone grafting for the treatment of pediatric lumbar tuberculosis.Between January 2007 and June 2013 at our spine center, 51 consecutive pediatric lumbar tuberculosis with an average age of 7.3 ± 3.93 years treated with combined posterior and anterior approaches (PA, 22 cases) or posterior-only approach (PO, 29 cases) were enrolled. Two types of interbody bone graft were applied in this study: fresh-frozen tricortical iliac-bone allograft (AG, 21 cases) and shaped titanium mesh cages (TM, 30 cases). All medical records and radiographs were retrospectively reviewed. The Japanese Orthopaedic Association (JOA) is applied to evaluate the neurological function. The average visual analogue (VAS) and Oswestry Disability Index (ODI) were used to evaluate the quality of life.The average follow-up was 6.7 ± 1.9 years. The mean operation time, average blood loss, complication rate, and lengths of hospital stay of PO were less than those of the PA. The postoperative VAS (1 day after surgery) of PA was significantly higher than that of PO. The ODI, VAS and JOA scores at the final follow-up had been improved significantly compared with preoperative scores. The ODI, VAS and JOA scores at the final follow-up were similar between PA and PO as well as between AG and TM. There was no statistically significant difference about the fusion times between PO and PA groups. The final follow-up kyphosis correction rate and the correction loss at the final follow-up between the PO and PA groups showed no statistically significant difference. However, the final follow-up correction rate of the AG group was lower than that of TM group. The correction loss of the AG group was higher than that of TM group.The posterior only approach in experienced hands provides satisfying treatment for the children lumbar tuberculosis with less invasive, much safer, and more effective compared with combined posterior and anterior approach. The shaped titanium mesh cages are noted to be a valuable tool in surgical decision making.

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Adherence ability of Staphylococcus epidermidis on prosthetic biomaterials: an in vitro study

Cited by 20 publications

References 36 publications

Cemented prosthesis as spacer for two-stage revision of infected hip prostheses: a similar infection remission rate and a lower complication rate

Cemented prosthesis as spacer for two-stage revision of infected hip prostheses: a similar infection remission rate and a lower complication rate

Experimental Study and ANN Dual-Time Scale Perturbation Model of Electrokinetic Properties of Microbiota

Comparison of mid-term outcomes of posterior or postero-anterior approach using different bone grafting in children with lumbar tuberculosis

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