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Moreno S, Rosales M, Rosales J, Agrela F, Díaz-López JL. Feasibility of Using New Sustainable Mineral Additions for the Manufacture of Eco-Cements. Materials (Basel) 2024; 17:777. [PMID: 38399029 PMCID: PMC10890488 DOI: 10.3390/ma17040777] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/13/2023] [Revised: 01/21/2024] [Accepted: 01/26/2024] [Indexed: 02/25/2024]
Abstract
Due to a continuously developing population, our consumption of one of the most widely used building materials, concrete, has increased. The production of concrete involves the use of cement whose production is one of the main sources of CO2 emissions; therefore, a challenge for today's society is to move towards a circular economy and develop building materials with a reduced environmental footprint. This study evaluates the possibility of using new sustainable supplementary cementitious materials (SCMs) from waste such as recycled concrete aggregates (RCAs) and mixed recycled aggregates (MRAs) from construction and demolition waste, as well as bottom ash from olive biomass (BBA-OL) and eucalyptus biomass ash (BBA-EU) derived from the production of electricity. A micronisation pre-treatment was carried out by mechanical methods to achieve a suitable fineness and increase the SCMs' specific surface area. Subsequently, an advanced characterisation of the new SCMs was carried out, and the acquired properties of the new cements manufactured with 25% cement substitution in the new SCMs were analysed in terms of pozzolanicity, mechanical behaviour, expansion and setting time tests. The results obtained demonstrate the feasibility of using these materials, which present a composition with potentially reactive hydraulic or pozzolanic elements, as well as the physical properties (fineness and grain size) that are ideal for SCMs. This implies the development of new eco-cements with suitable properties for possible use in the construction industry while reducing CO2 emissions and the industry's carbon footprint.
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Affiliation(s)
| | | | - J. Rosales
- Construction Engineering Area, University of Córdoba, 14071 Córdoba, Spain; (S.M.); (M.R.); (J.L.D.-L.)
| | - F. Agrela
- Construction Engineering Area, University of Córdoba, 14071 Córdoba, Spain; (S.M.); (M.R.); (J.L.D.-L.)
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Hung T, Rosales M, Kurobe T, Stevenson T, Ellison L, Tigan G, Sandford M, Lam C, Schultz A, Teh S. A pilot study of the performance of captive-reared delta smelt Hypomesus transpacificus in a semi-natural environment. J Fish Biol 2019; 95:1517-1522. [PMID: 31613989 PMCID: PMC6916271 DOI: 10.1111/jfb.14162] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/16/2019] [Accepted: 10/14/2019] [Indexed: 06/01/2023]
Abstract
A captive breeding programme was developed in 2008 for delta smelt Hypomesus transpacificus in reaction to dramatic population decline over several decades. We took 526 sub-adult captive-reared delta smelt and cultured them for 200 days without providing artificial food or water quality management to assess their performance once released in the wild. The results indicated captive-reared sub-adult delta smelt could survive in a semi-natural environment with uncontrolled water quality and naturally produced wild prey through spawning and into their post spawning phase.
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Affiliation(s)
- Tien‐Chieh Hung
- Department of Biological and Agricultural EngineeringUniversity of CaliforniaDavisCaliforniaUSA
| | - Marlin Rosales
- Department of Biological and Agricultural EngineeringUniversity of CaliforniaDavisCaliforniaUSA
| | - Tomofumi Kurobe
- Department of Anatomy, Physiology, and Cell BiologySchool of Veterinary Medicine, University of CaliforniaDavisCaliforniaUSA
| | - Troy Stevenson
- Department of Biological and Agricultural EngineeringUniversity of CaliforniaDavisCaliforniaUSA
| | - Luke Ellison
- Department of Biological and Agricultural EngineeringUniversity of CaliforniaDavisCaliforniaUSA
| | - Galen Tigan
- Department of Biological and Agricultural EngineeringUniversity of CaliforniaDavisCaliforniaUSA
| | - Marade Sandford
- Department of Biological and Agricultural EngineeringUniversity of CaliforniaDavisCaliforniaUSA
| | - Chelsea Lam
- Department of Anatomy, Physiology, and Cell BiologySchool of Veterinary Medicine, University of CaliforniaDavisCaliforniaUSA
| | - Andrew Schultz
- Mid‐Pacific Region, Bay‐Delta Office, U.S. Bureau of ReclamationSacramentoCaliforniaUSA
| | - Swee Teh
- Department of Anatomy, Physiology, and Cell BiologySchool of Veterinary Medicine, University of CaliforniaDavisCaliforniaUSA
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Park H, Uronis H, Kang YK, Ng M, Enzinger P, Lee K, Rutella S, Church S, Nordstrom J, Knutson K, Erskine C, Wu T, Yen J, Franovic A, Muth J, Rosales M, Vadakekolathu J, Davidson-Moncada J, Bang YJ, Catenacci D. Determinants of response of HER2+ gastric cancer (GC) vs gastroesophageal junction adenocarcinoma (GEJ) to margetuximab (M) plus pembrolizumab (P) post trastuzumab (T). Ann Oncol 2019. [DOI: 10.1093/annonc/mdz253.015] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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Catenacci D, Park H, Uronis H, Kang YK, Ng M, Enzinger P, Lee K, Lim K, Gold P, Lacy J, Park S, Huber K, Wynter-Horton A, Nordstrom J, Wu T, Wigginton J, Baughman J, Rosales M, Davidson-Moncada J, Bang YJ. Margetuximab (M) + pembrolizumab (P) for treatment of patients (pts) with HER2+ gastroesophageal adenocarcinoma (GEA) post-trastuzumab (T): Survival analysis. Ann Oncol 2019. [DOI: 10.1093/annonc/mdz253.014] [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: 11/14/2022] Open
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Rosales M. A NEW ONLINE COMPUTER PROGRAM (BIDASYS) FOR ORDINARY AND UNCERTAINTY WEIGHTED LEAST-SQUARES LINEAR REGRESSIONS: CASE STUDIES FROM FOOD CHEMISTRY. Rev Mex Ing Quim 2018. [DOI: 10.24275/uam/izt/dcbi/revmexingquim/2018v17n2/rosales] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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Bi C, Liu Y, Newhouse-Illige T, Xu M, Rosales M, Freeland JW, Mryasov O, Zhang S, te Velthuis SGE, Wang WG. Reversible control of Co magnetism by voltage-induced oxidation. Phys Rev Lett 2014; 113:267202. [PMID: 25615378 DOI: 10.1103/physrevlett.113.267202] [Citation(s) in RCA: 74] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/21/2014] [Indexed: 06/04/2023]
Abstract
We demonstrate that magnetic properties of ultrathin Co films adjacent to Gd2O3 gate oxides can be directly manipulated by voltage. The Co films can be reversibly changed from an optimally oxidized state with a strong perpendicular magnetic anisotropy to a metallic state with an in-plane magnetic anisotropy or to an oxidized state with nearly zero magnetization, depending on the polarity and time duration of the applied electric fields. Consequently, an unprecedentedly large change of magnetic anisotropy energy up to 0.73 erg/cm(2) has been realized in a nonvolatile manner using gate voltages of only a few volts. These results open a new route to achieve ultralow energy magnetization manipulation in spintronic devices.
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Affiliation(s)
- Chong Bi
- Department of Physics, University of Arizona, Tucson, Arizona 85721, USA
| | - Yaohua Liu
- Materials Science Division, Argonne National Laboratory, Argonne, Illinois 60439, USA
| | - T Newhouse-Illige
- Department of Physics, University of Arizona, Tucson, Arizona 85721, USA
| | - M Xu
- Department of Physics, University of Arizona, Tucson, Arizona 85721, USA
| | - M Rosales
- Department of Physics, University of Arizona, Tucson, Arizona 85721, USA
| | - J W Freeland
- Advanced Photon Source, Argonne National Laboratory, Argonne, Illinois 60439, USA
| | - Oleg Mryasov
- Department of Physics and Astronomy, University of Alabama, Tuscaloosa, Alabama 35487, USA
| | - Shufeng Zhang
- Department of Physics, University of Arizona, Tucson, Arizona 85721, USA
| | - S G E te Velthuis
- Materials Science Division, Argonne National Laboratory, Argonne, Illinois 60439, USA
| | - W G Wang
- Department of Physics, University of Arizona, Tucson, Arizona 85721, USA
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Palaoro LA, Rocher AE, Canessa OE, Peressini S, Rosales M, Del Río AG, Mendeluk G. Epididymal mitochondrial status of hypothyroid rats examined by transmission electron microscopy. Biotech Histochem 2012; 88:138-44. [DOI: 10.3109/10520295.2012.741712] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
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Bigatti G, Ferrario C, Rosales M, Baglioni A, Bianchi S. A 4-cm G2 cervical submucosal myoma removed with the IBS® Integrated Bigatti Shaver. Gynecol Surg 2012; 9:453-456. [PMID: 23144643 PMCID: PMC3491200 DOI: 10.1007/s10397-012-0737-5] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/22/2012] [Accepted: 02/08/2012] [Indexed: 11/25/2022]
Affiliation(s)
- G. Bigatti
- U.O. di Ostetricia e Ginecologia, Ospedale Classificato San Giuseppe Via San Vittore, 12-20123 Milan, Italy
| | - C. Ferrario
- U.O. di Ostetricia e Ginecologia, Ospedale Classificato San Giuseppe Via San Vittore, 12-20123 Milan, Italy
| | - M. Rosales
- U.O. di Ostetricia e Ginecologia, Ospedale Classificato San Giuseppe Via San Vittore, 12-20123 Milan, Italy
| | - A. Baglioni
- U.O. di Ostetricia e Ginecologia, Ospedale Classificato San Giuseppe Via San Vittore, 12-20123 Milan, Italy
| | - S. Bianchi
- Università degli Studi di Milano, Direttore dell’ Unità Opertiva di Ostetricia e Ginecologia, Ospedale Classificato San Giuseppe, Via San Vittore, 12-20123 Milan, Italy
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Ashing-Giwa K, Rosales M. A cross-cultural validation of patient-reported outcomes measures: a study of breast cancers survivors. Qual Life Res 2012; 22:295-308. [PMID: 22367682 DOI: 10.1007/s11136-012-0140-8] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 02/14/2012] [Indexed: 11/24/2022]
Abstract
PURPOSE Psychometric inadequacy interferes with the assessment of patient-reported health outcomes. This study examined the psychometric properties of several standardized measures in health research. METHODS Participants completed health outcomes measures including the FACT-G, SF-36, MOS Social Support Survey, and CES-D. Psychometric properties examined include reliability, and construct and concurrent validity. RESULTS 320 BCS including 88 African-, 95 English-proficient Latina-, and 137 Limited English-proficient Latina-Americans participated. The findings demonstrate acceptable reliability (α > 0.70) and consistent factor structures for most measures with the variance ranging from 56 to 84%. The FACT-G physical well-being and SF-36 role limitations subscales had the best fitting structures. Concurrent validity showed the FACT-G subscales correlated with their appropriate counterparts. CONCLUSIONS Despite being commonly used instruments in HRQOL (e.g., FACT-G, SF-36) and QOL (e.g., CES-D, MOS) research, few studies reported the psychometric properties of these and when applied cross-culturally. However, evaluating the psychometric properties of measures in health outcomes research should be done routinely.
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Affiliation(s)
- K Ashing-Giwa
- Center of Community Alliance for Research and Education (CCARE), Department of Population Sciences, City of Hope National Medical Center, 1500 E Duarte Road, Duarte, CA 91010-3000, USA.
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Abello V, Villamizar L, Pedraza E, Esguerra H, Rosales C, Linares A, Rosales M, Figueroa J, Mantilla W. Allogeneic Stem Cell Transplantation (Allo-Sct) Severe Aplastic Anemia, a Single Center Experience in Bogotá, Colombia. Biol Blood Marrow Transplant 2012. [DOI: 10.1016/j.bbmt.2011.12.351] [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: 11/26/2022]
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Bigatti G, Ferrario C, Rosales M, Baglioni A, Bianchi S. IBS® Integrated Bigatti Shaver versus conventional bipolar resectoscopy: a randomised comparative study. ACTA ACUST UNITED AC 2011. [DOI: 10.1007/s10397-011-0701-9] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
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Rosales M, Fernandez M, Muñoz O, Roca G, Skodova M, Garcia P, Porta M. P14.20 Direct observation of hand hygiene in a teaching hospital. J Hosp Infect 2010. [DOI: 10.1016/s0195-6701(10)60169-7] [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: 10/19/2022]
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Robelo B, Carneiro R, Ribeiro I, Espirito Santo A, Mendes L, Mendes M, França M, Torres P, Rosales M, Milheiro M, Santos L, Carvalhais A. 53 Profile of platelet donor apheresis in the department of immunohemotherapy - IPOPFG-EPE. Transfus Apher Sci 2010. [DOI: 10.1016/s1473-0502(10)70041-0] [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: 10/19/2022]
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Rosales M, Ferreira S, Torres P, Roncon S, Barbosa I, Amado F, Lopes S, Bordalo F, Bernardo A, Carvalhais A. 54 Satisfaction of unrelated donor after haematopoietic stem cell collection. Transfus Apher Sci 2010. [DOI: 10.1016/s1473-0502(10)70042-2] [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: 11/29/2022]
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Abello V, Rosales C, Pedraza E, Linares A, Esguerra H, Rosales M, Figueroa J. Reduced Intensity Conditioning (RIC) Regimen Based On Fludarabine (Flu) For Patients Treated With Allo-SCT For Severe Aplastic Anemia (SAA). Biol Blood Marrow Transplant 2010. [DOI: 10.1016/j.bbmt.2009.12.383] [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: 11/25/2022]
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Abello V, Rosales C, Pedraza E, Linares A, Esguerra H, Rosales M, Figueroa J. Effects Of Changes In Conditioning Regimen And Supportive Care On Outcomes In Patients With Acute Myeloid Leukemia (AML) After Allogeneic Stem Cell Transplantation (Allo-SCT). Biol Blood Marrow Transplant 2010. [DOI: 10.1016/j.bbmt.2009.12.237] [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: 10/19/2022]
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Abstract
Iris yellow spot virus (IYSV) (genus Tospovirus, family Bunyaviridae) has become endemic in several parts of the world. Between 2000 and 2004, the virus was reported from several states in the United States and the most recent report was from Georgia (2). In South America, IYSV was first reported from Brazil (3). Symptoms indicative of IYSV infection (1), such as diamond-shaped and irregular chlorotic and necrotic lesions, were observed during 2004 and 2005 in onion fields in Colina and Tiltil (Chacabuco Province) and Rengo (Cachapoal Province) located in central Chile. In the sampled fields, as much as 50% of the crop showed symptoms. In all three locations, the crop was destined for bulb production and the cultivar was a long-day Valenciana-type. Approximately 50 and 5 ha in Chacabuco and Cachapoal provinces, respectively, were surveyed. Symptomatic plants were collected and tested in the laboratory for confirmation of IYSV infection. A commercially available IYSV-specific enzyme-linked immunosorbent assay kit was used (Adgen Limited, Ayr, Scotland, UK) that confirmed the samples were infected with IYSV. Total nucleic acids were extracted, and using primers flanking the nucleoprotein (NP) gene of IYSV, reverse transcription-polymerase chain reaction was used to verify virus identity. Primer sequences were 5'-TAA AAC AAA CAT TCA AAC AA-3' and 5'-CTC TTA AAC ACA TTT AAC AAG CAC-3'. The resulting 1.2-kb DNA amplicons from five samples were cloned and sequenced (GenBank Accession No. DQ150107). Nucleotide sequence comparisons with known IYSV NP gene sequences showed 95 to 98% identity, confirming the virus as IYSV. The presence of IYSV in Brazil and now in Chile indicates its potential to become established in onion crops in the region. References: (1) L. J. du Toit et al. APSnet Image of the Week. http://apsnet.org/online/archive/2003/IW000030.asp , 2003. (2) S. W. Mullis et al. Plant Dis. 88:1285, 2004. (3) L. Pozzer et al. Plant Dis. 83:345, 1999.
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Affiliation(s)
- M Rosales
- Instituto de Investigaciones Agropecuarias, Centro Regional de Investigación La Platina, Santiago, Chile
| | - H R Pappu
- Department of Plant Pathology, Washington State University, Pullman 99164-6430
| | - L López
- Laboratorio de Virología, Servicio Agrícola y Ganadero, Santiago, Chile
| | - R Mora
- Instituto de Investigaciones Agropecuarias, Centro Regional de Investigación La Platina, Santiago, Chile
| | - A Aljaro
- Instituto de Investigaciones Agropecuarias, Centro Regional de Investigación La Platina, Santiago, Chile
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Gonzales R, Rosales M, Perea F, Velarde J, Soto E, Palomares R, Hernandez H, Palasz A. 98CONCEPTION RATES USING BRAHMAN BULL SEMEN FROZEN IN MILK BASED
EXTENDER CONTAINING EGG YOLK OR SOYBEAN LIPIDS; A FIELD STUDY IN A TROPICAL
ENVIRONMENT. Reprod Fertil Dev 2004. [DOI: 10.1071/rdv16n1ab98] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
Abstract
The objective of this study was to examine the substitution of soybean-origin phospholipids for egg yolk in Brahman bull semen extender. Semen was frozen in 3 different low-fat milk (1%) based extenders containing 10mgmL−1 of fructose and supplemented with: 8% of whole egg yolk (Extender 1, control), 8% rectified egg yolk (egg yolk granules were removed by double centrifugation at 3000g for 1h at 5°C; Extender 2), and 7.3mgmL−1 of phospholipids of soybean-origin containing 10% of phosphatidyl choline (Extender 3). All 3 extenders were supplemented with 1000IU of penicillin, 1mgmL−1 streptomycin and 150μgmL−1 lincomycin. The semen was collected by means of artificial vagina from 3 Brahman bulls, and AI was performed during the dry season between December and April in a tropical forest environment. The mean temperature for the region was 26–30°C, with mean rainfall of 900–1500mm/year and the relative humidity of 60–70%. Ejaculates with at least 60% motility were diluted in 2 steps as follows: in step 1, each ejaculate was split into 3 even parts and diluted at 26°C with each of the extenders containing no glycerol, and in step 2, 14% of glycerol was added in 15-minute intervals to a final glycerol concentration of 7%. Semen was aspirated into 0.5mL plastic straws (20×106 sperm/per straw), frozen 7cm above liquid nitrogen (LN2) for 8min, and then plunged into LN2. Straws were thawed in a water bath at 37°C for 30s. Each experiment was replicated 3 times (different collection days). Sperm viability was tested within artificial insemination trials. Results are based on the pregnancy rates of crossbreed Brahman cows determined by palpation 45 Days after AI and by calving rates. Data were compared by chi-square analysis. In Experiment I, a total of 157 cows were inseminated with semen collected from 3 different bulls (A, B and C) and frozen in 3 different extenders (1, 2 and 3; 3×3 factorial design). Bull A, Extender 1, 2 and 3 (n=19, 20 and 22); Bull B, Extender 1, 2 and 3 (n=20, 20 and 20) and Bull C, Extender 1, 2 and 3 (n=22, 15 and 24), respectively. Although semen from all 3 bulls frozen in Extenders 2 and 3 fostered numerically higher pregnancy rates (from 30% for Bull B and Extender 2 to 50% for Bull C and Extender 3) than in Extender 1 (from 23.5% for Bull C to 40% for Bull B), there were no differences (P<0.05) between bulls with any of 3 extenders on the pregnancy rates. In Experiment II, a total of 117 cows were inseminated with semen collected from Bull B and frozen in Extender: 1 (n=37), 2 (n=48) and 3 (n=39). There were significantly higher (P<0.05) calving rates for cows inseminated with semen frozen in Extender 2 and 3 (41.6% and 46.1%, respectively) than in Extender 1 (24.3%). It can be concluded that rectified egg yolk may improve viability of frozen semen, and that phospholipids of soybean origin can be successfully substituted for egg yolk in Brahman bull milk based semen extender. Supported by Bioniche Inc, Belleville, Ontario, Canada.
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Montero C, Rosales M, Otero I, Blanco M, Rodríguez G, Peterga S, Pita S, Verea H. [Lung cancer in the health care area of A Coruña (Spain): incidence, clinical approach and survival]. Arch Bronconeumol 2003; 39:209-16. [PMID: 12749803 DOI: 10.1016/s0300-2896(03)75363-0] [Citation(s) in RCA: 17] [Impact Index Per Article: 0.8] [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: 10/27/2022]
Abstract
OBJECTIVE To determine the incidence, clinical approach, diagnostic delay and survival for bronchogenic carcinoma (BC) in the public health area of A Coruña (Spain). PATIENTS AND METHOD This was a retrospective study of patients with a diagnosis of BC made in 1995 and 1996 in a health care area with 509,000 inhabitants. For analysis we gathered demographic, clinical and cyto-histologic data and analyzed diagnostic delay, extension of disease and time of death. Crude, age-specific and age-standardized incidences were calculated. RESULTS BC was diagnosed in 378 patients (95% men and 5% women). The crude incidence was 37 per 100,000 inhabitants (73.7 per 100,000 men and 3 per 100,000 women) and the age-standardized incidence was 21.7 per 100,000. Diagnosis was by cyto-histology in 87% of the cases, and the most frequent biopsy finding was epidermoid carcinoma. Diagnosis was by clinical or radiologic findings for 13.7%, and patients in that group were older and had greater comorbidity. No symptoms were present in 13% and in those patients diagnosis was earlier, with non-small BC predominating and 60% treated surgically. The diagnostic delay (time from the first symptom to histologic confirmation) was 2.5 months (median, 2.1), and length of delay did not affect survival. Surgery was performed in 23% of the patients with non-small BC. The median survival was 7.1 months (5.2 months for patients who were not treated surgically, and 37.6 for those who were). CONCLUSIONS The incidence of BC in men in our study is consistent with that reported for other Spanish regions, although the incidence we observed for women is much lower. Diagnostic delay did not affect survival. The percentage of patients with surgical-stage disease is very low and survival is very short. These findings support the need for early diagnosis.
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Affiliation(s)
- C Montero
- Servicio de Neumología. Hospital Universitario Juan Canalejo. A Coruña. España
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Montero C, Rosales M, Otero I, Blanco M, Rodríguez G, Peterga S, Pita S, Verea H. Cáncer de pulmón en el Área Sanitaria de A Coruña: incidencia, abordaje clínico y supervivencia. Arch Bronconeumol 2003. [DOI: 10.1157/13047334] [Citation(s) in RCA: 30] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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Abstract
We describe six inpatients with acute non-lymphocytic leukaemia who developed invasive infection with Scedosporium prolificans resistant to amphotericin B, flucytosine, ketoconazole, fluconazole, and itraconazole. All six patients died. Phenotypic and genotypic assessment of samples from clinical material and ambient air from the isolation rooms where the patients were being treated showed that the epidemic was caused by a single strain. After implementation of aerial control measures, there were no further infections with this organism. We conclude that fatal multidrug-resistant S prolificans epidemics can be aerially transmitted and can be prevented with implementation of appropriate infection-control measures.
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Cristofanilli M, Fratarcangeli T, Esteva F, Rosales M, Booser D, Ibrahim N, Pusztai L, Bast R, Rivera E, Hortobagyi G. Weekly high-dose paclitaxel(HD-P) has significant antitumor activity in inflammatory breast cancer (IBC). Eur J Cancer 2001. [DOI: 10.1016/s0959-8049(01)81123-0] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Valencia-Flores M, Orea A, Castaño VA, Resendiz M, Rosales M, Rebollar V, Santiago V, Gallegos J, Campos RM, González J, Oseguera J, García-Ramos G, Bliwise DL. Prevalence of sleep apnea and electrocardiographic disturbances in morbidly obese patients. Obes Res 2000; 8:262-9. [PMID: 10832770 DOI: 10.1038/oby.2000.31] [Citation(s) in RCA: 100] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
OBJECTIVE To determine the prevalence of sleep apnea in morbidly obese patients and its relationship with cardiac arrhythmias. RESEARCH METHODS AND PROCEDURES Fifty-two consecutive morbidly obese (body mass index > or = 40 kg/m2) outpatients from the Obesity Clinic of the National Institute of Nutrition Salvador Zubirán underwent two nights of polysomnography with standard laboratory techniques. Electrocardiographic polysomnography signals (Lead II) were evaluated by two experienced cardiologists, and sleep complaints were measured with a standard sleep questionnaire (Sleep Disorders Questionnaire). In order to make comparisons between groups with different severities of sleep-disordered breathing, we classified the patients in four groups using the apnea-hypopnea index (AHI): Group 1, AHI 5 < 15 (n = 10); Group 2, AHI 15 < 30 (n = 10); Group 3, AHI 30 < 65 (n = 14); Group 4, AHI > or = 65 (n = 17). RESULTS A wide range of sleep-disordered breathing, ranging from AHI of 2.5 to 128.9 was found. Ninety-eight percent of the sample (n = 51) had an AHI > or = 5 (mean = 51 +/- 37), and 33% had severe sleep apnea with AHI > or = 65 with a mean nocturnal desaturation time of <65% over 135 minutes. Electrocardiographic abnormalities were present in 31% of the patients. Cardiac rhythm alterations showed an association with the level of sleep-disordered breathing and oxygen desaturation. DISCUSSION We conclude that there is a high prevalence of sleep apnea in morbidly obese patients and that the risk for cardiac arrhythmias increases in this population in the presence of a severe sleep apnea (AHI > or = 65) with severe oxygen desaturation (SaO2 < or = 65%).
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Affiliation(s)
- M Valencia-Flores
- Neurology Department, National Institute of Nutrition Salvador Zubirán, School of Psychology, National Autonomous University of México, Federal District.
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Rosales M, Guerrero A, Torres P, Duran T, Miguez E, Paz J, Llinares E, Abalde M, Luis G, Dominguez V. Outbreak of mortal infections by Scedosporium prolificans in haematological patients. Am J Infect Control 1999. [DOI: 10.1016/s0196-6553(99)80060-1] [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: 10/23/2022]
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Benencia H, Ropelato MG, Rosales M, Mesch V, Siseles N, Boero L, Fogel M, Donato AM, Petroff N, Dourisboure R. Thyroid profile modifications during oral hormone replacement therapy in postmenopausal women. Gynecol Endocrinol 1998; 12:179-84. [PMID: 9675564 DOI: 10.3109/09513599809015542] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
There are few data available about changes in thyroid hormone profiles after hormone replacement therapy (HRT). We analyzed the effect of two different oral estrogens/progestins (E/P) associations on thyroid hormones and thyroxine-binding globulin (TBG) levels in 14 postmenopausal normal women distributed at random into two groups. Both groups received daily for a year 2 mg of estradiol valeriante per os. In Group A (n = 7), estrogen was associated with norethisterone acetate. In Group B, estrogen was associated with promegestone in a similar schedule to Group A. Blood samples were withdrawn to measure estradiol (E2), thyroxine (T4), triiodothyronine (T3), free T4 (fT4), thyroid-stimulating hormone (TSH) and TBG before and after 3, 6 and 12 months of treatment. Estradiol level increased significantly in both groups, being higher in Group A than in B. Under therapy, T4 and TBG levels were increased in both groups, but within the normal range. T4 mean level increased by 34% in Group A and 20% in Group B. TBG increment was slightly significant for Group A (p < 0.02); with only a trend in Group B (p = 0.08). T3, fT4 and TSH levels did not change significantly and remained within the normal range. Oral therapy with associated E/P produces moderate increases in T4 and TBG levels. Our results suggest that in postmenopausal women on oral HRT, fT4 and TSH levels are the most useful tools to evaluate the thyroid axis status.
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Affiliation(s)
- H Benencia
- Department of Clinical Biochemistry, School of Pharmacy and Biochemistry, University of Buenos Aires, Argentina
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Mariñas JJ, Rego ME, Rosales M, Castro MI, Bouzas E. [Evaluation of the effectiveness of a program of detection of asymptomatic Chlamydia trachomatis infection in women]. Rev Esp Salud Publica 1997; 71:27-34. [PMID: 9147795] [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: 02/04/2023] Open
Abstract
BACKGROUND Chlamydia Trachomatis is at present the most prevalent pathogenic agent among the causes of sexually transmitted diseases in developed countries, and has reached epidemic proportions in some of them. These infections can give rise to a considerable number of complications, many with very serious consequences. Given that, in addition, a great number of cases are asymptomatic, a general consensus exists about the convenience of carrying out screening programmes. The aim of this study is to accomplish the first stage of the screening programme of asymptomatic infection by C. trachomatis in women who seek help at a family planning centre. METHODS A descriptive study to determine the prevalence each year of the period studied, an analysis of its temporal tendency and the assessment of the programme effectiveness in terms of a proportional reduction in prevalence. A total number of 6.746 women were included, who attended the family planning centre for a regular checkup or contraceptive advice between January 1991 and December 1993. RESULTS The programme showed a global effectiveness rate of 80%, with a reduction in prevalence from 5.1% in 1990 to 1.0% in 1993. A significant fall was observed in all the categories analyzed, except for women using prophylactics and those with higher education. CONCLUSIONS The programme achieves its objectives very effectively. Nevertheless, it would be advisable to evaluate its efficiency together with a cost-analysis, since by reducing prevalence, the positive estimated value of the test considerably decreases, which raises the cost of a single case detection.
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Affiliation(s)
- J J Mariñas
- Servicio de Medicina Preventiva y Salud Pública, Hospital Juan Canalejo, La Coruña
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Cruz H, Guzman N, Rosales M, Bastidas J, Garcia J, Hurtado I, Rojas ME, Hodgman JE. Early hospital discharge of preterm very low birth weight infants. J Perinatol 1997; 17:29-32. [PMID: 9069061] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
OBJECTIVE The objective of this study was to investigate whether early discharge from the hospital was feasible for selected very low birth weight (VLBW) infants. STUDY DESIGN A randomized clinical trial of discharge of VLBW infants from the neonatal intensive care unit at 1300 gm versus 1800 gm was done comparing weight gain and incidence of infection. Forty-three VLBW infants treated in the neonatal intensive care unit and follow-up clinics of the Hospital Universitario del Valle, Cali, Colombia, were entered into the study at 1300 to 1350 gm when they met behavioral criteria for discharge and the family home was approved. RESULTS There were no differences in weight gain or incidence of infection in the home group compared with the hospital group. A significant saving in hospital days and hospital costs was realized for the home group. Family cooperation was heightened in the home group. CONCLUSIONS Early discharge from the hospital at weights as low as 1300 to 1350 gm is safe for the VLBW infant when properly selected on the basis of behavioral criteria and environmental approval. The potential savings in hospital costs should be considered when resources are allocated for continued support for these infants.
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MESH Headings
- Age Distribution
- Apgar Score
- Colombia/epidemiology
- Family
- Female
- Hospital Costs
- Humans
- Infant, Newborn
- Infant, Premature
- Infant, Premature, Diseases/diagnosis
- Infant, Premature, Diseases/mortality
- Infant, Premature, Diseases/therapy
- Infant, Very Low Birth Weight
- Intensive Care Units, Neonatal
- Length of Stay/statistics & numerical data
- Male
- Patient Discharge/economics
- Patient Discharge/statistics & numerical data
- Prognosis
- Sex Distribution
- Survival Rate
- Time Factors
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Affiliation(s)
- H Cruz
- Universidad de Valle School of Medicine, Cali, Colombia
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Saleta JL, Rosales M, Domínguez V, Jiménez T, Marinas J, Bouzas ME. [Incidence and risk factors for nosocomial infections in a neonatology unit]. Enferm Infecc Microbiol Clin 1996; 14:357-60. [PMID: 8756213] [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: 02/02/2023]
Abstract
OBJECTIVE Neonatal nosocomial infection is a very important cause of morbidity and death in the hospital setting. The aim of our work is to study the incidence and risk factors associated with nosocomial infection in a neonatal unit. METHOD We followed 321 patients in a 6-month-long prospective, observational study. As units of measurement we used Incidence Density and Accumulative Incidence. For the statistical analysis we used chi-square and the logistic regression. RESULTS Nosocomial infection incidence density for the whole neonatal unit was 39.63% infections per 100 patients per month, while the accumulative incidence was 16.19%. Using a logistic regression method, the umbilical cord artery catheterization and days of stay variables both showed a statistically significant difference with nosocomial infection. CONCLUSIONS We conclude that minimizing length of stay, if possible below 10 days could be a key element to achieve a reduction in the neonatal unit's infection rate. However, new studies must be performed to ascertain if a strict enforcement of the rules pertaining to hand-washing and umbilical catheters manipulation would achieve further reductions in the infection rate associated with the umbilical cord catheterization.
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Affiliation(s)
- J L Saleta
- Servicio de Medicina Preventiva y Salud Publica, Complejo Hospitalario Juan Canalejo-Marítimo de Oza, La Coruña
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Pérez-Fontán M, García-Falcón T, Rosales M, Rodríguez-Carmona A, Adeva M, Rodríguez-Lozano I, Moncalián J. Treatment of Staphylococcus aureus nasal carriers in continuous ambulatory peritoneal dialysis with mupirocin: long-term results. Am J Kidney Dis 1993; 22:708-12. [PMID: 8238017 DOI: 10.1016/s0272-6386(12)80434-3] [Citation(s) in RCA: 109] [Impact Index Per Article: 3.5] [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: 01/29/2023]
Abstract
We present the clinical results of a prospective protocol of the treatment of Staphylococcus aureus nasal carriers (SANCs) in our continuous ambulatory peritoneal dialysis unit with mupirocin (Bactroban, SmithKline Beecham Pharmaceuticals, Philadelphia, PA). We monitored the incidence of peritonitis and catheter exit-site infection, the rate of infection-related catheter loss, and the degree of association between SANC state and S aureus infection. The study group included 94 patients with a follow-up of 1,097 patient-months (phase B). The same information was retrospectively collected among 74 continuous ambulatory peritoneal dialysis patients treated during the 24 months preceding the study period (follow-up of 1,043 patient-months) (phase A). S aureus nasal carriage was observed in 47.5% of the patients. Mupirocin was very effective in eradicating S aureus from the nares, but most patients required periodic retreatment. The incidence of S aureus peritonitis decreased from 1 episode/58 patient-months in phase A to 1 episode/548 patient-months in phase B, and the incidence of exit-site infection decreased from one episode/55 patient-months in phase A to 1 episode/137 patient-months in phase B. However, there was a simultaneous increase in the incidence of infections by other gram-positive and -negative bacteria. The rate of catheter loss after peritonitis (P = not significant) or exit-site infection (P < 0.05) tended to decrease from phase A to phase B. Seventy-seven percent of the peritonitis infections and 74% of the exit-site infections by S aureus occurred in SANCs.(ABSTRACT TRUNCATED AT 250 WORDS)
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Affiliation(s)
- M Pérez-Fontán
- Nephrology Unit, Hospital Juan Canalejo, A Coruña, Spain
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Rosales M, Domínguez V, Bonacho I, Vidal X. [Epidemiology of Chlamydia trachomatis in a population attending a family planning center]. Rev Clin Esp 1993; 192:424-7. [PMID: 8516506] [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: 01/31/2023]
Abstract
OBJECTIVE To know the prevalence of Chlamydia trachomatis in a population attending a Family Planning Center, as well as the distribution of said prevalence in relationship with different variables. METHODS This was a prevalence study, population-based. So all females over 14 years old who consulted the Planning Center were admitted into the study. We used enzyme-immune assay and DNA probe to identify the microorganism. The statistical analysis used chi 2 and Fisher's exact test when needed. For the confidence intervals, Cornfield's test was used. RESULTS Of the 2,408 female who participated in the study we found a prevalence of 5.1% this percentage was even higher on the 15 to 21 years old segment: 7.47% p < 0.05. Being single and belonging to the group of non-qualify workers yielded a relative risk of 1.49 and 1.66 respectively. CONCLUSIONS The prevalence we have found is higher to the one found in different publications in our country, a study to determine Chlamydia trachomatis should be performed in all sexually active women between 15 and 30 years old.
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Affiliation(s)
- M Rosales
- Servicio de Medicina Preventiva y Salud Pública, Hospital Juan Canalejo, La Coruña
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Rosales M, Domínguez V, Bonacho I, Vidal X. [Roxithromycin versus doxycycline in the treatment of Chlamydia trachomatis cervicitis in asymptomatic women]. Rev Clin Esp 1993; 192:253-5. [PMID: 8497717] [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: 01/31/2023]
Abstract
We have performed an experimental open study, non randomized, in a population of women pertaining to a family planning center, and who have been diagnosed of Chlamydia trachomatis infection through EIA and DNA probe. 75 patients were included in the study, 50 of them received roxitromycine; 150 mg every 12 hours during 10 days, the other 25 being treated with doxycycline, 100 mg each 24 hours during 10 days. All women underwent a control after treatment using both techniques a month later, to asses the efficacy of the treatment. Mean age of women treated with roxitromycine was 28.6 years, and 30 years the ones treated with doxycycline. Efficacy in the eradication of Chlamydia trachomatis was 91.7% in the group treated with macrolide, and 92% in the group treated with doxycycline. Comparison through Chi-square did not yield statistical significance with a p < 0.05. Only a patient treated with doxycycline showed gastric intolerance. Roxitromycine shows an in vivo activity similar to doxycycline, and is an alternative to the use of doxycycline, being the first choice in those women in whom tetracycline are contraindicated.
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Affiliation(s)
- M Rosales
- Servicio de Medicina Preventiva y Salud Pública, Hospital Juan Canalejo, La Coruña
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Gamp S, Brecht D, Hofmann W, Kihm T, Knöppler J, Matheis V, Panter M, Reimers R, Rosales M, Wiedner CA, Wirth H, Zink R, Heintze J, Lennert P, Polenz S. Measurement of the angular distributions of particles in air showers. Int J Clin Exp Med 1992; 46:2831-2845. [PMID: 10015219 DOI: 10.1103/physrevd.46.2831] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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Rosales M, Domínguez V, Bonacho I, Vidal X. [Rapid diagnosis of Chlamydia trachomatis using a DNA probe in a population with low risk of infection]. Enferm Infecc Microbiol Clin 1992; 10:111-4. [PMID: 1643131] [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: 12/28/2022]
Abstract
BACKGROUND To assess the efficacy of a newer diagnostic technique for Chlamydia trachomatis and its usefulness as screening method in populations at low-risk for Chlamydia trachomatis infection. METHODS Open comparative trial between the EIA technique (Abbott Laboratories) and DNA gene probe (Gen Probe Diagnostic). A total of 1683 individuals (1630 women and 53 men) were screened with the two different techniques using samples obtained simultaneously. RESULTS Among women, 66 give a positive result either by one or another technique. The prevalence was 4.04%. Sensitivity of DNA probe when compared with EIA assay was 64% and specificity was 98.9%. CONCLUSIONS The DNA probe technique is faster than actual techniques and easy to do without major laboratory equipment. However, its price is high and its sensitivity poor in low-risk populations.
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Affiliation(s)
- M Rosales
- Servicio de Medicina Preventiva y Salud Pública, Hospital Juan Canalejo, La Coruña
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Pérez-Fontán M, Rosales M, Rodríguez-Carmona A, Moncalián J, Fernández-Rivera C, Cao M, Valdés F. Treatment of Staphylococcus aureus nasal carriers in CAPD with mupirocin. Adv Perit Dial 1992; 8:242-5. [PMID: 1361797] [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: 03/25/2023]
Abstract
We have studied the efficacy of topical Mupirocin for elimination of Staphylococcus aureus (Staph. aureus) nasal carriage in CAPD patients. Staph. aureus nasal carriers in our CAPD program were randomized to one of two groups: Group 1, treated with Mupirocin, and Group 2, treated with neomycin sulphate nasal ointment. The prevalence of Staph. aureus nasal colonization was 44% for patients (24/54) and 17% for dialysis partners (5/29). Group 1 included 11 patients and 1 partner, and Group 2, 8 patients and 2 partners. In Group 1, the eradication rate was 100%, and the recolonization rate was 0, 8, 41, 55 and 66% at 1, 2, 3, 6 and 10 months. In Group 2, the eradication rate was 40%, with a recolonization rate of 0.25 and 75% at 1, 2 and 3 months. Re-treatment with mupirocin was successful in 66% of the cases, compared to 20% for neomycin. The MIC90 of mupirocin for Staph. aureus was 0.5 mcg/mL, with an increase to 4 mcg/mL towards the end of the study. During the study period, there was a very low incidence of Staph. aureus peritonitis or catheter-related infections in patients treated with mupirocin. Secondary effects of mupirocin were negligible. Mupirocin is more effective than neomycin sulphate for the elimination of Staph. aureus nasal colonization in patients undergoing CAPD. Periodic re-treatment is frequently necessary, given the significant recolonization rate.
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Clavijo E, del Río S, Sánchez MA, Arana C, Rosales M. [Parasitological findings in pleural fluid]. Enferm Infecc Microbiol Clin 1991; 9:507-8. [PMID: 1805955] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Affiliation(s)
- E Clavijo
- Servicio de Microbiología, Hospital Universitario Virgen de la Victoria, Málaga
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