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Antonio Jimenez-Pacheco,Manuela Exposito-Ruiz,Miguel A Arrabal-Polo,Alfonso J Lopez-Luque 대한비뇨의학회 2012 Investigative and Clinical Urology Vol.53 No.4
Purpose: We aimed to ascertain the degree of association between bladder cancer and human papillomavirus (HPV) infection. Materials and Methods: We performed a meta-analysis of observational studies with cases and controls with publication dates up to January 2011. The PubMed electronic database was searched by using the key words “bladder cancer and virus.” Twenty-one articles were selected that met the required methodological criteria. We implemented an internal quality control system to verify the selected search method. We analyzed the pooled effect of all the studies and also analyzed the techniques used as follows: 1) studies with DNA-based techniques, among which we found studies with polymerase chain reaction (PCR)-based techniques and 2) studies with non-PCR-based techniques, and studies with non-DNA-based techniques. Results: Taking into account the 21 studies that were included in the meta-analysis, we obtained a heterogeneity chi-squared value of Qexp=26.45 (p=0.383). The pooled odds ratio (OR) was 2.13 (95% confidence interval [CI], 1.54 to 2.95), which points to a significant effect between HPV and bladder cancer. Twenty studies assessed the presence of DNA. The overall effect showed a significant relationship between virus presence and bladder cancer, with a pooled OR of 2.19 (95% CI, 1.40 to 3.43). Of the other six studies, four examined the virus’s capsid antigen and two detected antibodies in serum by Western blot. The estimated pooled OR in this group was 2.11 (95% CI, 1.27 to 3.51), which confirmed the relationship between the presence of virus and cancer. Conclusions: The pooled OR value showed a moderate relationship between viral infection and bladder tumors. Purpose: We aimed to ascertain the degree of association between bladder cancer and human papillomavirus (HPV) infection. Materials and Methods: We performed a meta-analysis of observational studies with cases and controls with publication dates up to January 2011. The PubMed electronic database was searched by using the key words “bladder cancer and virus.” Twenty-one articles were selected that met the required methodological criteria. We implemented an internal quality control system to verify the selected search method. We analyzed the pooled effect of all the studies and also analyzed the techniques used as follows: 1) studies with DNA-based techniques, among which we found studies with polymerase chain reaction (PCR)-based techniques and 2) studies with non-PCR-based techniques, and studies with non-DNA-based techniques. Results: Taking into account the 21 studies that were included in the meta-analysis, we obtained a heterogeneity chi-squared value of Qexp=26.45 (p=0.383). The pooled odds ratio (OR) was 2.13 (95% confidence interval [CI], 1.54 to 2.95), which points to a significant effect between HPV and bladder cancer. Twenty studies assessed the presence of DNA. The overall effect showed a significant relationship between virus presence and bladder cancer, with a pooled OR of 2.19 (95% CI, 1.40 to 3.43). Of the other six studies, four examined the virus’s capsid antigen and two detected antibodies in serum by Western blot. The estimated pooled OR in this group was 2.11 (95% CI, 1.27 to 3.51), which confirmed the relationship between the presence of virus and cancer. Conclusions: The pooled OR value showed a moderate relationship between viral infection and bladder tumors.
Alvarado-Rosales, D.,Nieto-Lopez, E.H.,Teliz-Ortiz, D.,Ayala-Escobar, V.,Silva-Rojas, H.V.,Nieto-Angel, R.,Leyva-Mir, S.G.,Jimenez-Nieto, A.,Mendez-Inocencio, C. The Korean Society of Plant Pathology 2015 식물병연구 Vol.21 No.3
The tejocote (Crataegus spp.) is a tree considered to be native to Mexico. The aim of this study was to identify the causal agent of tejocote rust in the State of Puebla. Tejocote fruits were sampled in 2012 and 2013. The fungus was studied morphologically using light and scanning electron microscopy and molecularly using phylogenetic analysis of 18S and 28S rDNA genes. The fungus was identified as Gymnosporangium clavipes on tejocote fruits. To our knowledge, this is the first confirmed report of Gymnosporangium clavipes Cooke & Peck affecting Crataegus mexicana var. Chapeado and C. gracilior in Puebla Mexico.
A CHARACTERIZATION OF THE HYPERBOLIC DISC AMONG CONSTANT WIDTH BODIES
Jeronimo-Castro, Jesus,Jimenez-Lopez, Francisco G. Korean Mathematical Society 2017 대한수학회보 Vol.54 No.6
In this paper we prove a condition under which a hyperbolic starshaped set has a center of hyperbolic symmetry. We also give the definition of isometric diameters for a hyperbolic convex set, which behave similar to affine diameters for Euclidean convex sets. Using this concept, we give a definition of constant hyperbolic width and we prove that the only hyperbolic sets with constant hyperbolic width and with a hyperbolic center of symmetry are hyperbolic discs.
Surgical Management of a Type II Extracranial Internal Carotid Aneurysm near to the Skull Base
Miguel A. Mendez-Sosa,Emmanuel Contreras-Jimenez,Javier E. Anaya-Ayala,Montserrat W. Miranda-Ramirez,Gabriel Lopez-Pena,Luis H. Arzola,Santiago Mier y Teran-Ellis,Hugo Laparra-Escareno,Carlos A. Hinoj 대한혈관외과학회 2021 Vascular Specialist International Vol.37 No.3
True aneurysmal disease in the carotid arteries is very uncommon, but individuals with this pathology face the grave risk of thromboembolism, which may consequently lead to cerebrovascular accidents. Clinical knowledge remains relatively limited owing to its rarity. We present the case of a 41-year-old obese female with a type II right extracranial internal carotid artery aneurysm incidentally found during imaging work-up. She underwent open surgical reconstruction with an autologous interposition graft from the common carotid artery to the internal carotid artery at the base level of the skull. Her postoperative period was uneventful, and the patient was discharged on postoperative day five with aspirin. At 12 months of follow-up, the patient remained symptom-free without complications.
A characterization of the hyperbolic disc among constant width bodies
Jesus Jeronimo-Castro,Francisco G. Jimenez-Lopez 대한수학회 2017 대한수학회보 Vol.54 No.6
In this paper we prove a condition under which a hyperbolic starshaped set has a center of hyperbolic symmetry. We also give the definition of isometric diameters for a hyperbolic convex set, which behave similar to affine diameters for Euclidean convex sets. Using this concept, we give a definition of constant hyperbolic width and we prove that the only hyperbolic sets with constant hyperbolic width and with a hyperbolic center of symmetry are hyperbolic discs.
Acupuncture Points and Their Relationship with Multireceptive Fields of Neurons
Salvador Quiroz-Gonzalez,Sergio Torres-Castillo,Rosa Estela Lopez-Gomez,Ismael Jimenez Estrada 사단법인약침학회 2017 Journal of Acupuncture & Meridian Studies Vol.10 No.2
In Traditional Chinese Medicine, acupuncture points (APs) have been emphasized as key elements that generate the therapeutic effects of acupuncture. At the spinal cord or supraspinal level, sensory neurons located in the dorsal horn receive an extensive supply of sensory information from skin and muscle receptors through peripheral afferent nerves. The stimulated skin area that influences the activity of a spinal sensory neuron is known as the peripheral receptive field (RF) of that neuron. By considering that a particular AP location involves the activation of one or various RFs, it can be assumed that several sensory central neurons are the site of convergence of the peripheral input generated by acupuncture stimulation. However, stimulation on nonacupoint sites could also activate skin areas with RFs that have been sensitized, and they could be involved in the generation of nonspecific effects of acupuncture, as seen in clinical practice. From the latter, it is suggested that effective APs, and even nonacupoints, are associated with a particular arrangement of RFs, and their study will be useful for understanding the intrinsic mechanisms of acupuncture and for the development and identification of more efficient sites and modes of acupuncture stimulation to evoke optimal therapeutic actions.
Sebastia Sabater,Meritxell Arenas,Roberto Berenguer,Ignacio Andres,Esther Jimenez-Jimenez,Ana Martos,Jesus Fernandez-Lopez,Mar Sevillano,Angeles Rovirosa 대한암학회 2015 Cancer Research and Treatment Vol.47 No.3
Purpose Association between body mass index (BMI) and doses in organs at risk during postoperative vaginal cuff brachytherapy (VCB) treatment has not been evaluated. The aim of this study was to analyse the impact of BMI on the dose delivered to bladder and rectum during high-dose-rate VCB using computed tomography (CT) scans at every fraction. Materials and Methods A retrospective analysis of 220 planning CT sets derived from 59 patients was conducted. Every planning CT was re-segmented and re-planned under the same parameters. Rectum and bladder dose-volume histogram values (D0.1cc, D1cc, and D2cc) were extracted and evaluated. The mean values for all applications per patient were calculated and correlated with BMI, as well as other factors influencing rectal and bladder doses. Multiple regression analysis performed to model organ at risk dose-volume parameters. Results According to World Health Organization (WHO), 6.8% of patients were normal, 35.6% were overweight, and 57.6% were class I obese. Median rectal doses were 133.5%, 110.9%, and 99.3% for D0.1cc, D1cc, and D2cc, respectively. The corresponding median bladder doses were 96.2%, 80.6%, and 73.3%, respectively. BMI did not show significant association with rectal doses. However, BMI did show a significant association with evaluated bladder dose metrics (D0.1cc, r=–0.366, p=0.004; D1cc, r=–0.454, p < 0.001; D2cc, r=–0.451, p < 0.001). BMI was retained in the multivariate regression models (D0.1cc, p=0.004; D1cc, p < 0.001; D2cc, p=0.001). Conclusion In this group of Mediterranean, overweight, and moderately obese patients, BMI showed association with lower bladder dose values, but not with rectal doses.