1
|
Ponce-de-Leon S, Lizano M. Harnessing the post-vaccination era: Do emerging HPV types represent a new threat? Cell Host Microbe 2023; 31:1774-1775. [PMID: 37944490 DOI: 10.1016/j.chom.2023.10.013] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2023] [Accepted: 10/11/2023] [Indexed: 11/12/2023]
Abstract
While the HPV vaccine is highly effective, it is unknown whether other, untargeted viral types could occupy empty niches to become an emerging threat. In this issue of Cell Host & Microbe, Pimenoff and colleagues present a community-level epidemiological analysis of HPV types up to 8 years after different vaccination policies.
Collapse
Affiliation(s)
- Sergio Ponce-de-Leon
- Unidad de Epidemiología Clínica, Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán, Vasco de Quiroga 15, Col. Belisario Domínguez, Tlalpan, Mexico City 14080, Mexico
| | - Marcela Lizano
- Unidad de Investigación Biomédica en Cáncer, Instituto Nacional de Cancerología, Avenida San Fernando 22, Col. Sección XVI, Tlalpan, Mexico City 14080, Mexico; Departamento de Medicina Genómica y Toxicología Ambiental, Instituto de Investigaciones Biomédicas, Universidad Nacional Autónoma de México, Circuito Exterior S/N, Ciudad Universitaria, Mexico City 04510, Mexico.
| |
Collapse
|
2
|
Labastida-Mercado N, Galindo-Becerra SL, Gonzalez-Ramirez MP, Miravete-Lagunes K, Gomez-de-Leon A, Ponce-de-Leon S, Tenorio-Rojo AP, Martagon-Herrera NA, Hernandez-Reyes JA, Garcia-Villasenor A, Burguette-Hernandez E, Ruiz Delgado GJ, Gomez-Almaguer D, Ruiz-Arguelles GJ. Health-Related Quality of Life in Survivors of Allogeneic Hematopoietic Stem Cell Transplantation Employing the Mexican Reduced-Intensity Conditioning. Biol Blood Marrow Transplant 2015. [DOI: 10.1016/j.bbmt.2014.11.267] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
|
3
|
Rodriguez-Osorio CA, Sanchez-Martinez CO, Araujo-Melendez J, Criollo E, Macias-Hernandez AE, Ponce-de-Leon A, Ponce-de-Leon S, Sifuentes-Osornio J. Impact of ertapenem on antimicrobial resistance in a sentinel group of Gram-negative bacilli: a 6 year antimicrobial resistance surveillance study. J Antimicrob Chemother 2014; 70:914-21. [PMID: 25480492 DOI: 10.1093/jac/dku471] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022] Open
Abstract
OBJECTIVES To determine the association between ertapenem and resistance of Escherichia coli, Pseudomonas aeruginosa, Klebsiella pneumoniae and Acinetobacter baumannii-calcoaceticus complex to different antimicrobials while adjusting for relevant hospital factors. METHODS This was a retrospective time-series study conducted at a tertiary care centre from September 2002 to August 2008. The specific impact of ertapenem on the resistance of these Gram-negative bacilli (GNB) was assessed by multiple linear regression analysis, adjusting for the average length of stay, rate of hospital-acquired infections and use of 10 other antimicrobials, including type 2 carbapenems. RESULTS Unadjusted analyses revealed significant increases over the duration of the study in the number of GNB resistant to meropenem/imipenem among 1000 isolates each of E. coli (0.46 ± 0.22, P < 0.05), P. aeruginosa (6.26 ± 2.26, P < 0.05), K. pneumoniae (8.06 ± 1.50, P < 0.0005) and A. baumannii-calcoaceticus complex (25.39 ± 6.81, P < 0.0005). Increased resistance to cefepime (and other extended-spectrum cephalosporins) was observed in E. coli (9.55 ± 1.45, P < 0.0005) and K. pneumoniae (15.21 ± 2.42, P < 0.0005). A. baumannii-calcoaceticus complex showed increased resistance to all antimicrobials except amikacin. After controlling for confounders, ertapenem was not significantly associated (P > 0.05) with changes in resistance for any pathogen/antimicrobial combination. CONCLUSIONS After controlling for confounders, ertapenem was not associated with changes in resistance in a group of sentinel GNB, although significant variations in resistance to different antimicrobials were observed in the unadjusted analyses. These results emphasize the importance of implementation of local resistance surveillance platforms and stewardship programmes to combat the global emergence and spread of antimicrobial resistance.
Collapse
Affiliation(s)
- Carlos A Rodriguez-Osorio
- Department of Critical Care Medicine, Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán, México City, México
| | - Cesar O Sanchez-Martinez
- Laboratory of Clinical Microbiology, Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán, México City, México
| | - Javier Araujo-Melendez
- Department of Infectious Diseases, Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán, México City, México
| | - Elia Criollo
- Department of Pharmacy, Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán, México City, México
| | - Alejandro E Macias-Hernandez
- Department of Hospital Epidemiology and Infection Control, Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán, México City, México
| | - Alfredo Ponce-de-Leon
- Laboratory of Clinical Microbiology, Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán, México City, México
| | - Sergio Ponce-de-Leon
- Clinical Epidemiology Unit, Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán, México City, México
| | - Jose Sifuentes-Osornio
- Department of Medicine, Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán, México City, México
| |
Collapse
|
4
|
Rodriguez-Osorio CA, Lima G, Herrera-Caceres JO, Villegas-Torres BE, Zuñiga J, Ponce-de-Leon S, Llorente L, Sifuentes-Osornio J. Genetic variations in toll-like receptor 4 in Mexican-Mestizo patients with intra-abdominal infection and/or pneumonia. Immunol Lett 2013; 153:41-6. [DOI: 10.1016/j.imlet.2013.07.002] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2013] [Revised: 06/07/2013] [Accepted: 07/08/2013] [Indexed: 12/29/2022]
|
5
|
Ponce-de-Leon S. Tamsulosin and ophthalmic adverse events after cataract surgery. JAMA 2009; 302:1054; author reply 1055. [PMID: 19738087 DOI: 10.1001/jama.2009.1285] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/14/2022]
|
6
|
Ponce-de-Leon S. The WHO Multicentre Growth Reference Study and Altitude Above Sea Level. An example of Hypsometric Bias? High Alt Med Biol 2008; 9:249-51. [DOI: 10.1089/ham.2007.1048] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
|
7
|
Carrillo JF, Rivas Leon B, Celis MA, Ponce-de-Leon S, Ochoa-Carrillo FJ. Anterolateral and lateral skull-base approaches for treatment of neoplastic diseases. Am J Otolaryngol 2004; 25:58-67. [PMID: 15011208 DOI: 10.1016/s0196-0709(03)00094-2] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
PURPOSE Neoplasms affecting the anterolateral and lateral skull base have different sites of origin and histology, and its resection is technically difficult. The purpose of this study was to describe the surgical outcome and overall and disease-free survival of patients who had anterolateral and lateral skull base procedures for treatment of neoplasms with and without adjuvant therapy. MATERIALS AND METHODS A retrospective study was performed on 26 patients who underwent anterolateral or lateral skull-base procedures through subcranial approaches such as maxillectomy with ethmoidectomy, osteoplastic maxillotomy, transmandibular, infratemporal, and transtemporal/infratemporal techniques for treatment of neoplastic diseases. Twenty-one cases were malignancies, with no evidence of metastasis. These approaches were combined frequently with a transbasal, pterional, subtemporal, or temporo-occipital craniotomy. Survival and disease-free intervals were evaluated with the Kaplan-Meier product limit method. RESULTS Nine cases were maxillary antrum malignancies with extension to the middle fossa and/or infratemporal fossa, 7 with nasopharyngeal neoplasms, 3 malignant lesions in the infratemporal fossa, and 3 with auditory canal carcinomas. The rest had miscellaneous diagnosis. Major morbidity occurred in 15% of cases. Perioperative mortality was 0. From 21 cases with malignancies, 4 had recurrences and the overall survival was 78% at 36 months of follow-up. CONCLUSION Anterolateral and lateral skull-base surgery is done with low morbidity and no operative mortality. The oncologic results are better than those reported in the literature probably because of a stringent selection of cases, although a longer follow-up period is required.
Collapse
Affiliation(s)
- Jose F Carrillo
- Head and Neck Service, Division of Surgery, Instituto Nacional de Canerología, Mexico City, Mexico.
| | | | | | | | | |
Collapse
|
8
|
Takahashi T, Zarate X, Velasco L, Mass W, Garcia-Osogobio S, Jimenez R, Tellez O, Ponce-de-Leon S. Rigid rectosigmoidoscopy: still a well-tolerated diagnostic tool. Rev Invest Clin 2003; 55:616-20. [PMID: 15011729] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 04/29/2023]
Abstract
BACKGROUND Although rigid rectosigmoidoscopy has been gradually replaced by the use of flexible rectosigmoidoscopy in recent years, it remains an effective, economic and widely available diagnostic tool. The aim of this study was to determine the type and magnitude of symptoms during rigid rectosigmodoscopy. METHODS Prospective evaluation of patients who underwent diagnostic rigid rectosigmoidoscopy. The main complaints were recorded, and their magnitude quantified using a visual analogue scale. RESULTS A total of 134 patients (mean age = 48 years) were examined. The prone jackknife position was used in 54% of them and left lateral decubitus in 46%. A complete (full length) examination was achieved in 68%. There were no complications. Sixty percent of patients referred complaints: pain (33%), discomfort by rectal preparation (13%), uncomfortable defecation desire (8%), and discomfort by the position (4%). Median values determined by visual analogue scale for pain, discomfort by rectal preparation, uncomfortable positioning and overall discomfort were graded as 3.3, 3.3, 2.1 and 2, respectively. There was an association between higher magnitude of pain and overall discomfort with female gender, left lateral decubitus position, and full-length exploration (p < 0.05). CONCLUSION A high percentage of patients have symptoms during rigid rectosigmoidoscopy but the study is usually well tolerated due the low magnitude of pain and discomfort and remains a very cost-effective study.
Collapse
Affiliation(s)
- Takeshi Takahashi
- Service of Colon and Rectal Surgery, Department of Surgery, Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán, Mexico City, Mexico.
| | | | | | | | | | | | | | | |
Collapse
|
9
|
Ramírez-Amador V, Esquivel-Pedraza L, Sierra-Madero J, Soto-Ramirez L, González-Ramírez I, Anaya-Saavedra G, Rodriguez-Diaz R, Vick-Fragoso R, Ponce-de-Leon S. Oral clinical markers and viral load in a prospective cohort of Mexican HIV-infected patients. AIDS 2001; 15:1910-1. [PMID: 11579265 DOI: 10.1097/00002030-200109280-00032] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
|
10
|
|
11
|
Ramirez-Amador VA, Esquivel-Pedraza L, Ponce-de-Leon S, Reyes-Teran G, Gonzalez-Guevara M, Ponce-de-Leon S, Sierra-Madero JG. Thalidomide as therapy for human immunodeficiency virus-related oral ulcers: a double-blind placebo-controlled clinical trial. Clin Infect Dis 1999; 28:892-4. [PMID: 10825055 DOI: 10.1086/515222] [Citation(s) in RCA: 28] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022] Open
Abstract
A double-blind, randomized, placebo-controlled clinical trial was performed in Mexico City to evaluate the efficacy of thalidomide in treating oral recurrent aphthae in human immunodeficiency virus (HIV)-infected subjects. Sixteen HIV-infected patients with clinical and histological diagnosis of oral recurrent aphthous ulcerations received randomly an 8-week course of either thalidomide or placebo, with an initial oral dosage of 400 mg/d for 1 week, followed by 200 mg/d for 7 weeks. Ten subjects received thalidomide and six received placebo. At 8 weeks, nine subjects (90%) in the thalidomide group had complete healing of their ulcers, compared with two (33.3%) of the six patients in the placebo group (P = .03). There was a significant reduction in largest ulcer diameter in the thalidomide group. Rash was observed in 80% of the thalidomide patients. Although thalidomide demonstrated an unquestionable benefit in treatment of oral ulcers in HIV patients, caution must be taken given the frequent occurrence of side effects.
Collapse
Affiliation(s)
- V A Ramirez-Amador
- Universidad Autonoma Metropolitana-Xochimilco, Department of Health Care, Villa Quietud, Consejo Nacional para la Prevención y Control del Sida, Toriello Guerra, Mexico.
| | | | | | | | | | | | | |
Collapse
|
12
|
Ramirez-Amador V, Esquivel-Pedraza L, Sierra-Madero J, Ponce-de-Leon S, Ponce-de-Leon S. Oral manifestations of HIV infection by gender and transmission category in Mexico City. J Oral Pathol Med 1998; 27:135-40. [PMID: 9563806 DOI: 10.1111/j.1600-0714.1998.tb01929.x] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
A cross-sectional analysis was conducted in Mexico City from September 1989 to March 1996, to determine the prevalence of HIV-related oral manifestations by gender and route of HIV transmission. The diagnosis of HIV-associated oral lesions was based on preestablished criteria. For the statistical analysis chi-squared and Fisher's exact tests were used where appropriate. Odds ratios were calculated as estimates of the relative risks. Control of confounding factors was performed by logistic regression models. Oral lesions were present in 75% of 436 HIV+ patients. Hairy leukoplakia, erythematous and pseudomembranous candidosis, angular cheilitis and oral ulcers were frequently found. Patients who contracted HIV through blood transfusion were more likely to present erythematous candidosis (P=0.005) than subjects who acquired HIV through sexual transmission. Oral ulcers were seen only in men (P=0.02) and in individuals who contracted HIV through sexual transmission (P=0.02). This study brings valuable data in regard to differences in the type and prevalence of HIV-related oral lesions by gender and the risk categories analysed, particularly blood transfusion.
Collapse
Affiliation(s)
- V Ramirez-Amador
- Universidad Autonoma Metropolitana-Xochimilco, Mexico City, Mexico
| | | | | | | | | |
Collapse
|
13
|
Takahashi T, de-la-Garza L, Ponce-de-Leon S, Palacios-Macedo A, Contreras JL, Sanchez-Guerrero J, Borunda D, Hoyos CM, Diaz-Jouanen E. Risk factors for operative morbidity in patients with systemic lupus erythematosus: an analysis of 63 surgical procedures. Am Surg 1995; 61:260-4. [PMID: 7887543] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Abstract
The surgical morbidity rate of patients with Systemic Lupus Erythematosus is considered very high; however, the experience in the literature is small. This study will determine the rate of surgical morbidity and the existence of predictive factors in patients with such a disease. The medical records of 53 patients with Systemic Lupus Erythematosus who underwent 63 major operations were analyzed retrospectively. The rate and causes of operative morbidity were registered. Univariate and multivariate statistical analysis was performed to ascertain the existence of predictive factors for morbidity. The overall morbidity and mortality were 16% and 6% respectively. Lymphopenia, hypoalbuminemia, increased SGOT and SGPT, urgent indication of operation, the physical status of the American Society of Anesthesiology, as well as a shorter duration of Systemic Lupus Erythematosus showed a significant correlation with operative morbidity in the univariate analysis; high blood urea nitrogen showed marginal significance. Physical status, urgent indication, and blood urea nitrogen remained as significant variables with the multivariate logistic regression analysis. The surgical morbidity rate of these patients may be lower than previously estimated. The physical status, urgency of operation, and level of blood urea nitrogen seemed to be the most useful independent predictors for surgical morbidity risk in patients with Systemic Lupus Erythematosus.
Collapse
Affiliation(s)
- T Takahashi
- Department of Surgery, Instituto Nacional de la Nutricion Salvador Zubiran, Mexico City, Mexico
| | | | | | | | | | | | | | | | | |
Collapse
|
14
|
Abstract
Nosocomial infections in developing countries represent a major public health problem that is not universally recognized. In Latin America rates for nosocomial infections range from 10 to 26% with a severe impact on morbidity and mortality and a consequent economic burden. The fundamental needs are: (1) to recognize the importance of this problem; (2) to modify the attitude of government authorities in the sense that hospital care could be improved; (3) to teach medical personnel the importance of infection control at the beginning of their training; and (4) to increase the awareness of the population of its right to better health care. From an international point of view we should establish the following guidelines: (1) the World Health Organisation should establish a worldwide programme on nosocomial infections; (2) medical and nursing schools should include regular courses on infection control; (3) international organizations should support training and research programmes in developing countries, focusing on the regional needs for infection control.
Collapse
Affiliation(s)
- S Ponce-de-Leon
- Department of Infectious Diseases, Instituto National de la Nutricion, Salvador Zubiran, Mexico City
| |
Collapse
|
15
|
Ruiz-Arguelles A, Ponce-de-Leon S, Presno-Bernal M, Ponce-de-Leon A, Ortiz-Lopez R, Rojas G. Increased detection of human immunodeficiency virus antigen carriers by simultaneous assay of plasma and extracts from resting and phytohaemagglutinin-stimulated peripheral blood mononuclear cells. J Virol Methods 1988; 22:329-36. [PMID: 3065350 DOI: 10.1016/0166-0934(88)90115-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
Antigenaemia due to human immunodeficiency virus (HIV) is thought to be significant either before the appearance of a specific antibody response, or after its decline during terminal stages. In order to increase the rate of detection of HIV antigen carriers, regardless of the stage or despite the presence of specific serum antibodies, we assayed, simultaneously, plasma samples and extracts from resting and phytohaemagglutinin-stimulated mononuclear cells from 25 infected, anti-body-positive individuals and 10 healthy, antibody-negative female volunteer blood donors. We detected the presence of HIV antigen in at least one of the three types of specimens obtained from all the 25 infected subjects but in none of the 10 healthy blood donors. This approach might prove most useful for the study of patients with controversial or equivocal antibody test results.
Collapse
Affiliation(s)
- A Ruiz-Arguelles
- Department of Immunology, Laboratorios Clinicos de Puebla, Mexico
| | | | | | | | | | | |
Collapse
|