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- 저자 : ( Javier Polo ) (검색결과 4 건)
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Localized Mobility Management in MPLS-based Access Networks
Javier Carmona-Murillo,Jose-Luis Gonzalez-Sanchez,Francisco-Javier Rodriguez-Per,David Cortes-Polo 한국산학기술학회 2012 SmartCR Vol.2 No.2
The continuous efforts made towards efficient mobility management in next-generation wireless networks are one of the major challenges for next-generation mobile systems. To track host mobility, the IETF has developed some mobility management protocols such as Mobile IP and Proxy Mobile IPv6. These protocols set up a tunnel to forward packets to the mobile node while the user is away from its home network. The tunneling method provided by Multi-Protocol Label Switching can be profitably used to take advantage of the Multi-Protocol Label Switching traffic engineering capability to achieve fast-reroute when a mobile node changes its point of attachment to the network. Moreover, service disruption during handoffs causes excessive packet loss that needs to be minimized to support quality of service requirements of emerging applications. We present a performance evaluation and numerical results of the most representative host-based and network-based mobility management approaches. We highlight the importance of the tunneling method with special attention to those protocols that have integrated Multi-Protocol Label Switching in its access network.
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José Medina-Polo,Raquel Sopeña-Sutil,Raúl Benítez-Sala,Alba Lara-Isla,Manuel Alonso-Isa,Javier Gil-Moradillo,Juan Justo-Quintas,Esther García-Rojo,Daniel Antonio González-Padilla,Juan Bautista Passas- 대한비뇨의학회 2017 Investigative and Clinical Urology Vol.58 No.1
Purpose: Healthcare-associated infections (HAIs) in urological patients have special features due to specific risk factors. Our objective was to evaluate the characteristics and risk factors for HAIs in patients hospitalized in a Urology ward. Materials and Methods: We evaluated prospectively, from 2012 to 2015, the incidence, types and risk factor for HAIs, microbiological and resistance patterns. Results: The incidence of HAIs was 6.3%. The most common types were urinary infections (70.5%) and surgical site infections (22.1%). Univariate analysis showed an increased risk of HAIs among patients with American Society of Anesthesiologists physical status classification system III–IV (odds ratio [OR], 1.39; p<0.001), immunosuppression (OR, 1.80; p=0.013), previous urinary infection (OR, 4.46; p<0,001), and urinary catheter before admission (OR, 1.74; p<0.001). The surgical procedures with the highest incidence of HAIs were radical cystectomy (54.2%) and renal surgery (8.7%). The most frequently isolated microorganisms were Escherichia coli (25.1%), Enterococcus spp. (17.5%), Klebsiella spp. (13.5%) and Pseudomonas aeruginosa (12.3%). Enterococcus sp was the most common microorganism after radical cystectomy and in surgical site infections, E. coli showed resistance rates of 53.5% for fluoroquinolones, 9.3% for amikacin. The percentage of extended-spectrum betalactamase producing E. coli was 24.7%. Klebsiella spp. showed resistance rates of 47.8% for fluoroquinolones, 7.1% for amikacin and 4.3% for carbapenems. Enterococcus spp showed resistance rates of 1.7% for vancomycin and; P. aeruginosa of 33.3% for carbapenems and 26.2% for amikacin. Conclusions: Comorbidities, previous urinary infections, and urinary catheter are risk factors for HAIs. The microorganisms most commonly isolated were E. coli, Enterococcus and P. aeruginosa. Prospective monitoring may decrease the incidence of infections.
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Proposal for a gingival shade guide based on in vivo spectrophotometric measurements
Cristina Gomez Polo,Javier Montero,Ana Maria Martin Casado 대한치과보철학회 2019 The Journal of Advanced Prosthodontics Vol.11 No.5
PURPOSE. The purpose of this study was to propose and assess a shade guide for pink gingival aesthetics using a Spanish population sample. MATERIALS AND METHODS. The L*, C*, h, a* and b* coordinates of 259 participants were measured using a spectrophotometer in 3 standardized points along the attached gingiva of the maxillary central incisors. A hierarchical clustering analysis was applied to obtain separate solutions regarding the number of shade tabs. For each of the solutions obtained, color differences (ΔE*) were calculated using the CIELab and CIEDE2000 formulas, and the proposed shade guide was selected considering (1) the color differences between tabs and (2) the coverage error of each of the solutions. RESULTS. The proposed shade guide consisted of 8 gingival shade tabs and achieved CIELab and CIEDE2000 coverage errors of less than the respective 50:50% acceptability thresholds (ΔE*=4.6 units and ΔE00=4.1). The coordinates for the various gingival shade tabs were as follows: Tab 1: L*43.3, a*21.9, b*12.3 (1.6); Tab 2: L*42.9, a*34.1, b*19.1; Tab 3: L*46.5, a*25.8, b*10.9; Tab 4: L*46.5, a*27.3, b*15.1; Tab 5: L*49.6, a*23.5, b*16.8; Tab 6: L*51.5, a*19.7, b*13.6; Tab 7: L*55.9, a*22.0, b* 15.0; and Tab 8: L*56.0, a*19.9, b*18.8. CONCLUSION. The CIELab and CIEDE2000 coverage errors for the 8 shade tabs of the proposed gingival shade guide were significantly lower than those of other guides. Therefore, despite the limitations of this study, the proposed guide is more appropriate for matching gingival shade in the Spanish general population.
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( Yanhong Liu ),( Jeehwan Choe ),( Sheena Kim ),( Byeonghyeon Kim ),( Joy M. Campbell ),( Javier Polo ),( Joe D. Crenshaw ),( James E. Pettigrew ),( Minho Song ) 한국축산학회(구 한국동물자원과학회) 2018 한국축산학회지 Vol.60 No.6
Background: Stress causes inflammation that impairs intestinal barrier function. Dietary spray-dried plasma (SDP) has recognized anti-inflammatory effects and improvement of gut barrier function. Therefore, the purpose of this study was to investigate the effects of dietary SDP on intestinal morphology of mated female mice under stress condition. Results: Villus height, width, and area of small intestines were low on gestation day (GD) 3 or 4 under stress conditions, and higher later (Time, P < 0.05). Crypt depth of colon was low on GD 4 and higher later (Time, P < 0.05). Meanwhile, the SDP treatments improved (P < 0.05) intestinal morphology, indicated by increased villus height, villus width, villus area, and ratio between villus height and crypt depth of small intestines and crypt depth of colon, and by decreased crypt depth of small intestines, compared with the control diet. The SDP treatments also increased (P < 0.05) the number of goblet cells in intestines compared with the control diet. There were no differences between different levels of SDP. Conclusion: Dietary SDP improves intestinal morphology of mated female mice under stress condition.
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