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Blanca M, Mayorga C, Torres MJ, Sanchez E, Bellon T, Pereira MJ, Padial T, Moya MC, Posadas S. T cell involvement in accelerated reactions to drugs. J Allergy Clin Immunol 2002. [DOI: 10.1016/s0091-6749(02)81581-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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152
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Posadas S, Torres MJ, Leyva L, Mayorga C, Cornejo-García JA, Sanchez E, Bellon T, Fernandez J, Blanca M. Cytokine profiles and cytotoxic markers in toxic epidermal necrolysis treated with and without corticoids. J Allergy Clin Immunol 2002. [DOI: 10.1016/s0091-6749(02)81582-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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153
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Duque S, Alvarez J, Belber M, Posadas S, Sanchez E, Blanca M. Accelerated urticaria to a vegetable salad component. J Allergy Clin Immunol 2002. [DOI: 10.1016/s0091-6749(02)82083-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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154
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Tejada L, Sanchez E, Gomez R, Vioque M, Fernandez-Salguero J. Effect of Freezing and Frozen Storage on Chemical and Microbiological Characteristics in Sheep Milk Cheese. J Food Sci 2002. [DOI: 10.1111/j.1365-2621.2002.tb11371.x] [Citation(s) in RCA: 28] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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155
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Sanchez E, Posadas S, Bellon T, Blanco T, Alvarez J, Torres MJ, Mayorga C, Romano A, Blanca M. Mechanism involved in fixed drug eruption. J Allergy Clin Immunol 2002. [DOI: 10.1016/s0091-6749(02)81579-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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156
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Martin F, Pereira MJ, Posadas S, Sanchez E, Blanca M, Alvarez J. Specific IgE/IgG determinations to diphtheria-tetanus vaccine: Studies on the cross-reactivity. J Allergy Clin Immunol 2002. [DOI: 10.1016/s0091-6749(02)81559-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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157
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Sanchez E. Remodeling the foundation. Interview by Laurie Stoneham. Tex Med 2001; 97:38-41. [PMID: 11767464] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/23/2023]
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158
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Shaarawy T, Karlen M, Schnyder C, Achache F, Sanchez E, Mermoud A. Five-year results of deep sclerectomy with collagen implant. J Cataract Refract Surg 2001; 27:1770-8. [PMID: 11709250 DOI: 10.1016/s0886-3350(01)01032-x] [Citation(s) in RCA: 99] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
PURPOSE To study prospectively the success rate and complications of deep sclerectomy with collagen implant (DSCI), a nonpenetrating filtration procedure. SETTING Glaucoma Unit, Department of Ophthalmology, Hôpital Ophtalmique Jules Gonin, University of Lausanne, Lausanne, Switzerland. METHODS This nonrandomized prospective trial comprised 105 eyes of 105 patients with medically uncontrolled primary or secondary open-angle glaucoma. Visual acuity, intraocular pressure (IOP), and slitlamp examinations were performed before and after surgery at 1 and 7 days and 1, 3, 6, 9, 12, 18, 24, 30, 36, 48, 54, 60, and 66 months. Visual field examinations were repeated every 6 months. A qualified success was defined as IOP below 21 mm Hg with or without medication. A complete success was defined as IOP lower than 21 mm Hg without medication. RESULTS The mean follow-up was 43.2 months +/- 14.3 (SD). The mean IOP was 26.8 +/- 7 mm Hg preoperatively, 5.1 +/- 3 mm Hg 1 day postoperatively, and 11.8 +/- 3 mm Hg 60 months postoperatively. At 60 months, the qualified success rate was 94.8% and the complete success rate, 61.9%. The IOP was lower than 21 mm Hg with medication in 32.1% of patients at 60 months; 48 patients (45.7%) had an IOP of 15 mm Hg or lower without medication. No patient developed a shallow or flat anterior chamber, endophthalmitis, or surgery-induced cataract. However, 23 (21.9%) had progression of a preexisting senile cataract. Injections of 5-fluorouracil were given to 25 patients (23.8%) who had DSCI to salvage encysted blebs. The mean number of medications per patient was reduced from 2.30 +/- 0.76 to 0.49 +/- 0.72. CONCLUSION Deep sclerectomy with collagen implant provided reasonable IOP over a long-term follow-up with few immediate postoperative complications.
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Furin JJ, Mitnick CD, Shin SS, Bayona J, Becerra MC, Singler JM, Alcantara F, Castañieda C, Sanchez E, Acha J, Farmer PE, Kim JY. Occurrence of serious adverse effects in patients receiving community-based therapy for multidrug-resistant tuberculosis. Int J Tuberc Lung Dis 2001; 5:648-55. [PMID: 11467371] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/20/2023] Open
Abstract
SETTING A community-based treatment program for multidrug-resistant tuberculosis (MDR-TB) in an urban shantytown of Lima, Peru. OBJECTIVES To ascertain the occurrence of serious adverse effects associated with therapy for MDR-TB in northern Lima, Peru, where therapy was individualized according to drug-susceptibility testing of patients' infecting strains and delivered through a community-based program. DESIGN A retrospective record review of 60 patients who had received individualized therapy for MDR-TB between September 1996 and October 1998. RESULTS Although adverse effects were common, they occurred less frequently than previously reported in the literature and were rarely life-threatening. Effects occurring most frequently in this population included: mild gastritis (100%), dermatological effects (43.3%), peripheral neuropathy (16.7%), depression (18.3%), and anxiety (11.7%). These effects never resulted in the discontinuation of anti-tuberculosis therapy, and only occasionally resulted in the suspension of an agent (11.7%). CONCLUSION In young patients with little comorbid disease, multidrug, long-course regimens rarely caused life-threatening adverse effects. Common side effects may be managed successfully on an out-patient basis through a community-based treatment program in conjunction with MDR-TB experts, even in resource-poor settings. The very low rate of default in this cohort offers hope that strategies to manage the adverse effects may reduce the incidence of abandonment of therapy and increase rates of cure.
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Domínguez JN, Charris JE, Lobo G, Gamboa de Domínguez N, Moreno MM, Riggione F, Sanchez E, Olson J, Rosenthal PJ. Synthesis of quinolinyl chalcones and evaluation of their antimalarial activity. Eur J Med Chem 2001; 36:555-60. [PMID: 11525846 DOI: 10.1016/s0223-5234(01)01245-4] [Citation(s) in RCA: 127] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Quinolinyl chalcones were synthesized and evaluated for their inhibition of the Plasmodium falciparum cystein protease falcipain and their activity against cultured P. falciparum parasites. They were also tested for in vivo efficacy in a rodent P. berghei model. Their activity against falcipain and as antimalarials was moderate, but antimalarial activity was probably not due to the inhibition of falcipain and may follow a different mechanism. 1-(2,4-Dichlorophenyl)-3-[3-(2-chloro-6,7-dimethoxiquinolinyl)]-2-propen-1-one 3j was the most promising compound among those here reported (IC50 19.0 microM).
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Lorenzo V, Martín M, Rufino M, Jiménez A, Malo AM, Sanchez E, Hernández D, Rodríguez M, Torres A. Protein intake, control of serum phosphorus, and relatively low levels of parathyroid hormone in elderly hemodialysis patients. Am J Kidney Dis 2001; 37:1260-6. [PMID: 11382697 DOI: 10.1053/ajkd.2001.24532] [Citation(s) in RCA: 38] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
In maintenance hemodialysis (MHD) patients, advanced age is a factor associated with relative hypoparathyroidism and an adynamic bone. However, the underlying mechanism remains elusive. The aim of the present study was to analyze whether the observed spontaneous decrease in protein intake in the elderly favors a better control of serum phosphorus (P) and parathyroid hormone (PTH) levels. A cross-sectional study including 207 MHD patients (mean age, 60 +/- 14; 59% males; time on dialysis, 61 +/- 55 months) dialyzed 3.5 to 4.5 hours 3 times a week using bicarbonate hemodialysis from 6 Spanish hemodialysis centers was performed. In 95 patients, the nutrient intake was recorded over a 5-day period, and average daily ingestion of nutrients was calculated using a computerized diet analysis system. One-way analysis of variance showed that serum phosphorus and intact PTH decreased with age. In addition, patients with serum phosphorus lower than 4 mg/dL as compared with those with serum phosphorus greater than 4 mg/dL were older (68 +/- 9 v 58 +/- 15 years, P < 0.001), had a lower protein (0.86 +/- 0.3 v 1.05 +/- 0.4 g/kg body weight, P < 0.01) and caloric intake (21.9 +/- 7.4 v 25.7 +/- 8.3 kcal/Kg body weight, P < 0.01), and had lower PTH levels (102 +/- 155 v 290 +/- 345 pg/mL, P < 0.001). An inverse and significant correlation was observed between age and protein intake (r = -0.48; P < 0.01), caloric intake (r = -0.37, P < 0.01), serum phosphorus concentration (r = -0.40; P < 0.01), and PTH levels (r = -0.26; P < 0.01). Additionally, a significant positive correlation was found between serum phosphorus and PTH levels (r = 0.40; P < 0.01). The results obtained in the present study suggest that a lower serum phosphorus level due to spontaneous reduction of protein intake might contribute to the relative low PTH levels observed in elderly hemodialysis patients.
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162
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Valencia L, Bidet M, Martial S, Sanchez E, Melendez E, Tauc M, Poujeol C, Martin D, Namorado MD, Reyes JL, Poujeol P. Nifedipine-activated Ca(2+) permeability in newborn rat cortical collecting duct cells in primary culture. Am J Physiol Cell Physiol 2001; 280:C1193-203. [PMID: 11287333 DOI: 10.1152/ajpcell.2001.280.5.c1193] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
To characterize Ca(2+) transport in newborn rat cortical collecting duct (CCD) cells, we used nifedipine, which in adult rat distal tubules inhibits the intracellular Ca(2+) concentration ([Ca(2+)](i)) increase in response to hormonal activation. We found that the dihydropyridine (DHP) nifedipine (20 microM) produced an increase in [Ca(2+)](i) from 87.6 +/- 3.3 nM to 389.9 +/- 29.0 nM in 65% of the cells. Similar effects of other DHP (BAY K 8644, isradipine) were also observed. Conversely, DHPs did not induce any increase in [Ca(2+)](i) in cells obtained from proximal convoluted tubule. In CCD cells, neither verapamil nor diltiazem induced any rise in [Ca(2+)](i). Experiments in the presence of EGTA showed that external Ca(2+) was required for the nifedipine effect, while lanthanum (20 microM), gadolinium (100 microM), and diltiazem (20 microM) inhibited the effect. Experiments done in the presence of valinomycin resulted in the same nifedipine effect, showing that K(+) channels were not involved in the nifedipine-induced [Ca(2+)](i) rise. H(2)O(2) also triggered [Ca(2+)](i) rise. However, nifedipine-induced [Ca(2+)](i) increase was not affected by protamine. In conclusion, the present results indicate that 1) primary cultures of cells from terminal nephron of newborn rats are a useful tool for investigating Ca(2+) transport mechanisms during growth, and 2) newborn rat CCD cells in primary culture exhibit a new apical nifedipine-activated Ca(2+) channel of capacitive type (either transient receptor potential or leak channel).
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MESH Headings
- 3-Pyridinecarboxylic acid, 1,4-dihydro-2,6-dimethyl-5-nitro-4-(2-(trifluoromethyl)phenyl)-, Methyl ester/pharmacology
- Animals
- Animals, Newborn
- Biological Transport/drug effects
- Calcium/metabolism
- Calcium Channel Blockers/pharmacology
- Cell Membrane Permeability/drug effects
- Cell Membrane Permeability/physiology
- Cells, Cultured
- Cytosol/metabolism
- Dihydropyridines/pharmacology
- Diltiazem/pharmacology
- Egtazic Acid/pharmacology
- Gadolinium/pharmacology
- Hydrogen Peroxide/pharmacology
- Isradipine/pharmacology
- Kidney Cortex/cytology
- Kidney Cortex/physiology
- Kidney Tubules, Collecting/cytology
- Kidney Tubules, Collecting/drug effects
- Kidney Tubules, Collecting/physiology
- Kinetics
- Lanthanum/pharmacology
- Nifedipine/pharmacology
- Protamines/pharmacology
- Rats
- Rats, Sprague-Dawley
- Thapsigargin/pharmacology
- Verapamil/pharmacology
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Molmenti E, Nagata D, Roden J, Squires R, Molmenti H, Casey D, Prestidge C, McPhail W, Sanchez E, Goldstein R, Levy M, Fasola C, Andrews W, D'Amico L, Benser M, Emert L, Andersen J, Klintmalm G. Pediatric liver transplantation for cystic fibrosis. Transplant Proc 2001; 33:1738. [PMID: 11267492 DOI: 10.1016/s0041-1345(00)02825-6] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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164
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Molmenti E, Casey D, Jennings L, Molmenti H, Jung G, Marubashi S, Sanchez E, Goldstein R, Levy M, Fasola C, Gonwa T, Klintmalm G. Leading causes of death in the liver transplant population compared to the corresponding age-matched general US population. Transplant Proc 2001; 33:1531. [PMID: 11267410 DOI: 10.1016/s0041-1345(00)02820-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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165
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Tresserras R, Castell C, Sanchez E, Salleras L. Health targets and priorities in Catalonia, Spain. Eur J Public Health 2000. [DOI: 10.1093/eurpub/10.suppl_4.51] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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166
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Campos-Roca Y, Verweyen L, Fernandez-Barciela M, Sanchez E, Curras-Francos M, Bronner W, Hulsmann A, Schlechtweg M. An optimized 25.5-76.5 GHz PHEMT-based coplanar frequency tripler. ACTA ACUST UNITED AC 2000. [DOI: 10.1109/75.852429] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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167
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Diamond PH, Rosenbluth MN, Sanchez E, Hidalgo C, Estrada T, Branas B, Hirsch M, Hartfuss HJ, Carreras BA. In search of the elusive zonal flow using cross-bicoherence analysis. PHYSICAL REVIEW LETTERS 2000; 84:4842-4845. [PMID: 10990812 DOI: 10.1103/physrevlett.84.4842] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/27/1999] [Indexed: 05/23/2023]
Abstract
We show that the modulational instability growth rate of zonal flows is determined directly from the quasilinear wave kinetic equation. We also demonstrate the relation between zonal-flow growth and the cross bispectrum of the high-frequency drift-wave-driven Reynolds stress and the low-frequency plasma potential by explicit calculation. Experimental measurements of the spatiotemporal evolution of the spectrum integrated bicoherence at the L-->H transition near the edge shear layer indicate a modification in the nonlinear phase coupling, which might be linked to the generation of sheared ExB flows.
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168
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Sanchez E, Matias M, Perez-Munuzuri V. Chaotic synchronization in small assemblies of driven Chua's circuits. ACTA ACUST UNITED AC 2000. [DOI: 10.1109/81.847871] [Citation(s) in RCA: 17] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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169
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Gómez R, Vioque M, Sanchez E, Mata C, Tejada L, Fernández-Salguero J. Microbial study of farmhouse ewe cheese during storage in olive oil. Acta Microbiol Immunol Hung 2000; 47:53-61. [PMID: 10735190] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/15/2023]
Abstract
The effect of storing farmhouse ewe cheese in oil and in vacuo over long periods of time on physicochemical properties (water activity and pH) and the microbiota of the cheese was investigated. The storage conditions were found to scarcely influence the sample pH. Also, the initial water activity (a(w) = 0.961) and its value after 9 months of storage (0.927) were both very similar to those for naturally ripened cheese. The incidence of pathogenic microbial groups was found to decrease with storage time (counts fell below 1 log CFU/g). The flora that effects proteolytic changes in cheese consisted of lactic microorganisms (viz. lactococci and lactobacilli), in addition, after 6 months of storage, of enterococci. The last are responsible for the formation of large amounts of soluble nitrogen (SN), non-protein nitrogen (NPN) and aminoacid nitrogen (NH2-N), which provide this type of cheese with very special sensory features while preventing dehydration and thus lengthening its shelf life.
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170
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Bailador A, Gonzalez A, Gonzalez C, Gorostiza C, Ortiz F, Sanchez E, Shaw M, Williart A. The Spanish National Reference Database for Ionizing Radiations (BANDRRI). Appl Radiat Isot 2000; 52:335-40. [PMID: 10724370 DOI: 10.1016/s0969-8043(99)00174-8] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
The Spanish National Reference Database for Ionizing Radiations (BANDRRI) is being implemented by a reasearch team in the frame of a joint project between CIEMAT (Unidad de Metrologia de Radiaciones Ionizantes and Direccion de Informatica) and the Universidad Nacional de Educacion a Distancia (UNED, Departamento de Mecanica y Departamento de Fisica de Materiales). This paper presents the main objectives of BANDRRI, its dynamic and relational data base structure, interactive Web accessibility and its main radionuclide-related contents at this moment.
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171
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Lujan M, Paez A, Sanchez E, Herrero A, Martin E, Berenguer A. Prostate specific antigen variation in patients without clinically evident prostate cancer. J Urol 1999; 162:1311-3. [PMID: 10492186] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/14/2023]
Abstract
PURPOSE We address long-term within individual variation of serum prostate specific antigen (PSA) in men without clinical or biopsy evidence of prostate cancer. MATERIALS AND METHODS We studied 943 men from a prostate cancer screening program with 2 PSA (PSA1 and PSA2) measurements available. A third PSA (PSA3) was obtained from 571 men. Only participants with no clinical evidence of cancer were included in the study. Within individual PSA variability was calculated based on indexes of percent coefficient of variation, ratio difference and PSA velocity. The relationship among these indexes, interval between measurements and number of PSA samples was assessed. RESULTS Mean interval was 670.4 days between PSA1 and PSA2, and 801.8 days between PSA2 and PSA3 (p<0.001). Mean coefficient of variation was 18% after 2 and 15.7% after 3 PSA measurements. Mean ratio differences were -0.047 ng./ml. for 2 and 0.033 ng./ml. for 3 samples. Mean PSA velocity was -0.128 ng./ml. per year for 2 and -0.055 ng./ml. per year for 3 samples, with 95% confidence intervals of 0.634 and 0.315, respectively. Variability was higher if only 2 PSA measurements were done (p<0.001). No clear relationship was found between individual variability and interval between measurements. CONCLUSIONS PSA velocity is within normal limits in almost all men (more than 95%) without clinically relevant prostate cancer. PSA individual variability is not fully dependent on the time between measurements when intervals are long, and can be substantially decreased with a third PSA sample.
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172
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Requena L, Fariña MC, Robledo M, Sangueza OP, Sanchez E, Villanueva A, Marquina A, Tamarit R. Multiple hereditary infundibulocystic basal cell carcinomas: a genodermatosis different from nevoid basal cell carcinoma syndrome. ARCHIVES OF DERMATOLOGY 1999; 135:1227-35. [PMID: 10522671 DOI: 10.1001/archderm.135.10.1227] [Citation(s) in RCA: 59] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/14/2022]
Abstract
BACKGROUND Infundibulocystic basal cell carcinoma is a recently described distinctive clinicopathologic variant of basal cell carcinoma. Histopathologic differential diagnosis among infundibulocystic basal cell carcinoma, trichoepithelioma, and basaloid follicular hamartoma has generated controversy in the literature. OBSERVATIONS Members of 2 families with multiple infundibulocystic basal cell carcinomas are described. Each patient showed multiple papular lesions, mostly located on the face. No patient showed palmar pits or jaw cysts. Forty-two cutaneous lesions from 5 patients were studied histopathologically. Thirty-nine lesions were infundibulocystic basal cell carcinomas. This clinicopathologic variant of basal cell carcinoma consists of a relatively well-circumscribed basaloid neoplasm composed of buds and cords of neoplastic cells arranged in anastomosing fashion and with scant stroma. Some of the neoplastic cords contain tiny infundibular cysts filled by cornified cells with abundant melanin. Linkage analysis in family 2 was performed using polymorphic markers (D9S196, D9S280, D9S287, and D9S180), and the affected members shared the same haplotype. Loss of heterozygosity analysis was performed in 2 affected members of this family from whom tumoral DNA was available, and although these individuals were constitutively heterozygous for D9S196, they did not show loss of heterozygosity for this marker in their neoplasms. CONCLUSIONS Multiple hereditary infundibulocystic basal cell carcinomas represent a distinctive genodermatosis different from multiple hereditary trichoepitheliomas and nevoid basal cell carcinoma syndrome. We propose clinical and histopathologic criteria to distinguish infundibulocystic basal cell carcinoma from trichoepithelioma, basaloid follicular hamartoma, and folliculocentric basaloid proliferation.
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de la Peña J, Rivero M, Sanchez E, Fábrega E, Crespo J, Pons-Romero F. Variceal ligation compared with endoscopic sclerotherapy for variceal hemorrhage: prospective randomized trial. Gastrointest Endosc 1999; 49:417-23. [PMID: 10202052 DOI: 10.1016/s0016-5107(99)70036-2] [Citation(s) in RCA: 72] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
BACKGROUND To evaluate the safety and efficiency of variceal ligation compared with endoscopic sclerotherapy, 88 patients with cirrhosis with recent variceal bleeding were randomized to undergo either treatment. METHODS Sclerotherapy was performed using ethanolamine and polidocanol injection at 1, 2, and 3 weeks and every 3 weeks thereafter. The Stiegmann-Goff device was used for variceal ligation at the same intervals. RESULTS The rate of variceal eradication was the same for both groups, but eradication was accomplished sooner in patients undergoing variceal ligation (5.3+/-1.6 vs. 6.6+/-2.4 endoscopic sessions, p < 0.05) and with fewer complications (19 vs. 6, p < 0.005). The rate of recurrent bleeding was lower in patients treated by ligation (31% vs. 50%, p < 0.05). After eradication, variceal recurrence was more frequent in patients treated by variceal ligation at 1 and 3 years (47% and 92% vs. 23% and 55%, p < 0.01). Portal hypertensive gastropathy was significantly worse in the patients who had variceal ligation (17 patients vs. 6, p < 0.01). Survival and treatment failure were similar in both groups. CONCLUSIONS Variceal ligation was superior to sclerotherapy in terms of the rate of recurrent bleeding and the occurrence of complications but worse with respect to recurrence of varices and the evolution of portal hypertensive gastropathy. Long-term follow-up studies are required to find out whether there are deleterious effects of variceal ligation.
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Mermoud A, Karlen ME, Schnyder CC, Sickenberg M, Chiou AG, Hédiguer SE, Sanchez E. Nd:Yag goniopuncture after deep sclerectomy with collagen implant. OPHTHALMIC SURGERY AND LASERS 1999; 30:120-5. [PMID: 10037206] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/10/2023]
Abstract
BACKGROUND AND OBJECTIVE To study the need, the safety and the success rate of Nd:Yag goniopuncture in eyes that underwent deep sclerectomy with collagen implant. PATIENTS AND METHODS The first 100 patients that underwent deep sclerectomy with collagen implant were prospectively followed. Deep sclerectomy with collagen implant is a non-penetrating filtering surgery which allows filtration of aqueous from the anterior chamber to the subconjunctival space through a remaining trabeculo-Descemet's membrane without opening the anterior chamber. Goniopunctures with Nd:Yag laser were performed at the site of surgery when the filtration through the trabeculo-Descemet's membrane was considered to be insufficient with elevated intraocular pressure. The laser treatment was performed using a Lasag 15 gonioscopy contact lens (CGA1). Goniopunctures were performed using the free-running Q-switched mode with an energy ranging from 2 to 4 mJ. RESULTS Of 100 patients who underwent deep sclerectomy with collagen implant, goniopunctures with Nd:Yag laser were performed in 41 patients (41%). The mean time between deep sclerectomy with collagen implant and goniopuncture was 9.9 months +/-1.2 months (+/-SE). The mean IOP before laser treatment was 22.2 mm +/-7.0 mm Hg and decreased to 12.5 mm +/-5.8 mm Hg immediately after laser treatment and remained stable for the next 2 years of follow-up. The immediate success rate of goniopuncture was 83%. Choroidal detachment occurred in two patients (5%). CONCLUSION Nd:Yag goniopuncture is an efficient and safe treatment for low filtration through the trabeculo-Descemet's membrane after deep sclerectomy with collagen implant.
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Karlen ME, Sanchez E, Schnyder CC, Sickenberg M, Mermoud A. Deep sclerectomy with collagen implant: medium term results. Br J Ophthalmol 1999; 83:6-11. [PMID: 10209426 PMCID: PMC1722768 DOI: 10.1136/bjo.83.1.6] [Citation(s) in RCA: 132] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Abstract
AIMS To study prospectively the success rate and complications of deep sclerectomy with collagen implant (DSCI), a new non-penetrating filtration procedure. METHODS Non-randomised prospective trial involving consecutive patients. 100 eyes of 100 patients with medically uncontrolled primary and secondary open angle glaucoma. A superficial scleral flap was raised and a deep sclerectomy was performed in the scleral bed. Schlemm's canal was opened and dissection of the cornea was performed up to Descemet's membrane, at which point aqueous percolated through the remaining trabeculo-Descemet's membrane. A collagen implant was sutured radially in the scleral bed. Visual acuity, intraocular pressure (IOP) measurements, and slit lamp examinations were performed before surgery and after surgery at 1 and 7 days, and 1, 3, 6, 9, 12, 18, 24, 30, and 36 months. RESULTS The mean follow up period was 17.8 (SD 8.7) months. The mean preoperative IOP was 27.8 (8.6) mm Hg; the mean postoperative IOP was 5.7 (4.0) at day 1, 11.2 (4.6) at month 1, 14.0 (3.5) at month 12, and 13.0 (3.8) at month 36. Complete success rate, defined as an IOP lower than 21 mm Hg without medication, was 44.6% at 36 months. Qualified success rate, defined as an IOP lower than 21 mm Hg with medication, was 97.7% at 36 months. Early postoperative complications included hyphaema in seven patients, would leak in 10 patients, and subtle choroidal detachment in 11 patients. Goniopuncture was performed in 41 of the patients, and 5-fluorouracil injections were made in 23 patients; cataract progression occurred in seven patients. When comparing the different types of open angle glaucoma, no difference was found in terms of reduction in IOP, number of patients requiring antiglaucoma medications, or success rate. CONCLUSIONS Deep sclerectomy with collagen implant appears to provide reasonable control of IOP at medium term follow up, with few immediate postoperative complications.
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Adem E, Avalos-Borja M, Carrillo D, Vazquez M, Sanchez E, Carreon M, Burillo G. Crosslinking of recycled polyethylene by gamma and electron beam irradiation. Radiat Phys Chem Oxf Engl 1993 1998. [DOI: 10.1016/s0969-806x(98)00134-0] [Citation(s) in RCA: 28] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Sanchez E, Chacon I, Plaza MM, Muñoz E, Cruz MA, Martinez B, Lopez L, Martinez-Montero JC, Orradre JL, Saez AI, Garcia JF, Piris MA. Clinical outcome in diffuse large B-cell lymphoma is dependent on the relationship between different cell-cycle regulator proteins. J Clin Oncol 1998; 16:1931-9. [PMID: 9586912 DOI: 10.1200/jco.1998.16.5.1931] [Citation(s) in RCA: 69] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
PURPOSE The goal of this work was to perform a comprehensive exploration of the relationship between the clinical outcome of diffuse large B-cell lymphoma (DLBCL) and the expression of a panel of tumor suppressor and oncogenic proteins, which includes some cell-cycle regulator proteins involved in the p53 pathway. PATIENTS AND METHODS To this end, we collected the clinical data of 141 patients with DLBCL and immunohistochemically analyzed diagnostic tumoral tissue from each patient for the presence of Ki67 (MIB1, Immuno-tech, Marseille, France), bcl2, p53, p21/WAF1, MDM2, and retinoblastoma (Rb) proteins. RESULTS The results show that several proteins are associated with some of the clinical traits analyzed. Multivariate analysis showed that an extended overall survival (OS) time was associated with low growth fraction, high Rb protein, and low MDM2 expression, as well as with known clinical parameters. The probability of inducing a complete remission (CR) was only associated with clinical parameters, although univariate study showed that a low growth fraction was associated with a higher probability of inducing a CR. Univariate study of disease-free survival (DFS) showed that tumors with high bcl2 expression and nodal origin have a shorter DFS time, although multivariate study only confirmed the adverse effect of bcl2 expression. CONCLUSION Taking all these results into consideration, it seems that although the overall outcome for patients with DLBCL is decided by a combination of different clinical and biologic variables, the expression of some of these cell-cycle regulator proteins appears to be specifically associated with the different clinical features of tumors.
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Sanchez E, Klainguti G, Herbort CP. [Surgery of strabismus and rupture of the blood-aqueous barrier (ischemia of the anterior segment)]. Klin Monbl Augenheilkd 1998; 212:296-8. [PMID: 9677560 DOI: 10.1055/s-2008-1034887] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
BACKGROUND First described in 1957, anterior segment ischemia (ASI) following extraocular muscle surgery for non paralytic or paralytic strabismus is a rare but serious complication. Systemic and anatomical risk factors can be identified and vesselsparing surgical techniques used. The aim of this study is to evaluate those changes in the anterior chamber that may indicate the presence of post-operative subclinical ASI. METHODS Pre- and 1 day post-operative anterior chamber flare measurements with the Laser flare cell meter (Kowa FC-1000) were made in 107 patients (109 operations) undergoing strabismus surgery. Surgery was carried out by the same surgeon in all cases and under general anaesthesia. Patients were divided into different groups according to the muscles operated (horizontal recti, vertical recti, obliques, or combinations thereof). RESULTS Global and selective analysis showed no significant statistical difference between pre- and post-operative flare measurements in patients undergoing strabismus surgery. CONCLUSION No subclinical ASI was found in this study of 109 strabismus operations (107 patients).
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Newell ML, Parazzini F, Mandelbrot L, Peckham C, Semprini A, Bazin B, Darbyshire J, Sanchez E, Pardi G. A randomised trial of mode of delivery in women infected with the human immunodeficiency virus. BRITISH JOURNAL OF OBSTETRICS AND GYNAECOLOGY 1998; 105:281-5. [PMID: 9532987 DOI: 10.1111/j.1471-0528.1998.tb10087.x] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
OBJECTIVE During the pilot phase of a trial to evaluate the effectiveness of caesarean section delivery compared with vaginal delivery in reducing mother-to-child transmission of human immunodeficiency virus (HIV) infection, the feasibility of randomisation to mode of delivery was assessed. DESIGN At 36 weeks of pregnancy, women infected with HIV were randomly allocated to either caesarean section delivery at 38 weeks or vaginal delivery. Information was also collected on the reasons why women were not enrolled, either because they refused or had a contraindication. SETTING Fifty-one centres in six European countries. POPULATION Pregnant women with confirmed HIV-1 infection. MAIN OUTCOME MEASURES Randomisation. RESULTS Three-hundred and thirty-nine women had been randomised by the end of 1996, the large majority from Italy (n = 250) and France (n = 54), with 22 from South Africa, three from Sweden, nine from Barcelona and one from London. A further 150 women were eligible but had not been randomised. Forty-eight women (14%) were not delivered according to the arm to which they were randomised; the majority (n = 44) were changed from vaginal to caesarean section delivery. There is wide variation between European countries in the acceptability and adherence to the mode of delivery trial. CONCLUSION The pilot phase of this trial has shown that in some settings randomisation to mode of delivery is feasible and acceptable, but that in other settings clinicians and pregnant women are more reluctant to be randomised. Pending further information on transmission rates and accrual, enrollment into the trial continues.
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Gomez B, Sanchez E, Feliciangeli MD. Man-vector contact of phlebotomine sand flies (Diptera: Psychodidae) in north-central Venezuela as assessed by blood meal identification using dot-ELISA. JOURNAL OF THE AMERICAN MOSQUITO CONTROL ASSOCIATION 1998; 14:28-32. [PMID: 9599320] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/22/2023]
Abstract
Human bait is traditionally used to assess man-vector contact, which is a key point in the study of the epidemiology of vector-borne diseases. However, in highly endemic foci, where this method should be avoided, this information could be obtained by blood meal analysis of engorged insects. In the village El Ingenio, Miranda State, Venezuela, Lutzomyia ovallesi and Lutzomyia gomezi are vectors of cutaneous leishmaniasis (CL). From June 1994 to March 1995, sand flies were collected inside houses on 974 CDC trap nights from 1900 to 0700 h. A total of 7,281 female sand flies were caught: 68.7% of them were identified as L. ovallesi, and 3.3% were identified as L. gomezi. Almost all of the blood-engorged flies (233 of 237) were dissected and identified, and gut contents were examined by dot enzyme-linked immunosorbant assay (dot-ELISA) using antisera against humans and common household animals including the domestic mouse. The Human Blood Index was 0.817 for L. ovallesi. These results suggest that intradomiciliary transmission may occur and account for the cases of CL frequently observed in newborn children in El Ingenio.
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Abstract
This tutorial style paper has been written for physicians and biologists who are not necessarily familiar with fuzzy set theory and biomedical applications. The field is introduced in the framework of medical diagnosis problems and illustrated with an application to inflammatory protein variations. The model is of special interest in the processing of borderline cases, allowing a graded assignment of diagnoses to patients. Relationships between signs and diagnoses are interpreted as labels of fuzzy sets and it is shown how diagnoses can be derived from soft matching processes. In cases of poor diagnostic classification, appropriate weights are introduced, acting on characterizations of signs, in order to decrease their relative influence. As a consequence, when pattern matching is achieved, the final ranking of inflammatory syndromes assigned to a given patient might change to better fit the actual classification.
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Flores M, Hernandez G, Escobar A, Cardoso J, Palma A, Maciel A, Sanchez E, Manero O. Synthesis and processing of the (ethylene-vinyl acetate-vinyl alcohol) terpolymer and its blends with a polyamide and styrene copolymers. J Appl Polym Sci 1998. [DOI: 10.1002/(sici)1097-4628(19980207)67:6<1071::aid-app15>3.0.co;2-3] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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Valles J, Santos MT, Aznar J, Osa A, Lago A, Cosin J, Sanchez E, Broekman MJ, Marcus AJ. Erythrocyte promotion of platelet reactivity decreases the effectiveness of aspirin as an antithrombotic therapeutic modality: the effect of low-dose aspirin is less than optimal in patients with vascular disease due to prothrombotic effects of erythrocytes on platelet reactivity. Circulation 1998; 97:350-5. [PMID: 9468208 DOI: 10.1161/01.cir.97.4.350] [Citation(s) in RCA: 124] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
BACKGROUND Aspirin (acetylsalicylic acid, ASA) is widely used for secondary prevention of ischemic vascular events, although its protection only occurs in 25% of patients. We previously demonstrated that platelet reactivity is enhanced by a prothrombotic effect of erythrocytes in a thromboxane-independent manner. This diminishes the antithrombotic therapeutic potential of ASA. Recent data from our laboratory indicate that the prothrombotic effect of erythrocytes also contains an ASA-sensitive component. In accordance with this observation, intermittent treatment with high-dose ASA reduced the prothrombotic effects of erythrocytes ex vivo in healthy volunteers. In the present study, the effects of platelet-erythrocyte interactions were evaluated ex vivo in 82 patients with vascular disease: 62 patients with ischemic heart disease treated with 200 mg ASA/d and 20 patients with ischemic stroke treated with 300 mg ASA/d. METHODS AND RESULTS Platelet activation (release reaction) and platelet recruitment (fluid-phase proaggregatory activity of cell-free releasates from activated platelets) were assessed after collagen stimulation (1 microg/mL) of platelets, platelet-erythrocyte mixtures, or whole blood. Platelet thromboxane A2 synthesis was inhibited by >94% by ASA administration in all patients. Importantly, platelet recruitment followed one of three distinct patterns. In group A (n=32; 39%), platelet recruitment was blocked by ASA both in the presence and absence of erythrocytes. In group B (n=37; 45%), recruitment was abolished when platelets were evaluated alone but continued in the presence of erythrocytes, indicating a suboptimal effect of ASA on erythrocytes of this patient group. In group C (n= 13; 16%), detectable recruitment in stimulated platelets alone persisted and was markedly enhanced by the presence of erythrocytes. CONCLUSIONS In two thirds of a group of patients with vascular disease, 200 to 300 mg ASA was insufficient to block platelet reactivity in the presence of erythrocytes despite abolishing thromboxane A2 synthesis. Platelet activation in the presence of erythrocytes can induce the release reaction and generate biologically active products that recruit additional platelets into a developing thrombus. Insufficient blockade of this proaggregatory property of erythrocytes can lead to development of additional ischemic complications.
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Martinez E, Moore DD, Keller E, Pearce D, Vanden Heuvel JP, Robinson V, Gottlieb B, MacDonald P, Simons S, Sanchez E, Danielsen M. The Nuclear Receptor Resource: a growing family. Nucleic Acids Res 1998; 26:239-41. [PMID: 9471621 PMCID: PMC147223 DOI: 10.1093/nar/26.1.239] [Citation(s) in RCA: 17] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
Last year, the original Glucocorticoid Receptor Resource was expanded into a comprehensive project: the Nuclear Receptor Resource (NRR, http:// nrr.georgetown.edu/nrr/nrr.html ). The NRR has since been offering comprehensive information on nuclear receptor structure and function, as well as general facts of interest to the scientific community on meetings, funding and employment opportunities. The project now includes individual resources as part of a network which integrates information on glucocorticoid, androgen, mineralocorticoid, thyroid hormone, Vitamin D and peroxisome-proliferator activated receptors. Many investigators have joined the NRR network by filling the Who is who? form available in the NRR home page. This has facilitated communication among scientists in the field and dissemination of data nor otherwise published. Because several investigators have contacted NRR authors over the past few months asking for advice and materials for educational purposes, we have recently decided to include in our project an educational resource on nuclear receptors termed the 'Graphics Library'. The input and suggestions of NRR users do shape the future direction of the project, so we encourage user to give us feedback.
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Sanchez E, Auger P, Bravo de la Parra R. Influence of individual aggressiveness on the dynamics of competitive populations. Acta Biotheor 1997; 45:321-33. [PMID: 9436300 DOI: 10.1023/a:1000688111421] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
Two populations are subdivided into two categories of individuals (hawks and lows). Individuals fight to have access to a resource which is necessary for their survival. Conflicts occur between individuals belonging to the same population and to different populations. We investigate the long term effects of the conflicts on the stability of the community. The model is a set of ODE's with four variables corresponding to hawk and dove individuals of the two populations. Two time scales are considered. A fast time scale is used to describe frequent encounters and fightings between individuals trying to monopolize the resource. A slow time scale is used for the demography and the long term effects of encounters. We use aggregation methods in order to reduce this model into a system of two ODE's only for the total densities of the two populations which is found to be a classical Lotka-Volterra competition model. We study different cases of proportions of hawks and doves in both populations on the global coexistence and the mutual exclusion of the two populations. Pure dove tactics in both populations are unstable. In cases of mixed hawk and dove in both populations, there is coexistence. Pure dove or mixed hawk-dove tactics in one population can coexist with pure hawks in the other one when the costs of fightings between hawks are large enough.
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Gomez R, Vioque M, Sanchez E, Fernández-Salguero J. Changes in water activity and some microbial groups during storage of pet feed. Acta Microbiol Immunol Hung 1997; 44:155-64. [PMID: 9330664] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
The effect of exposure of different pet feed samples to the typical temperature and moisture conditions of many months of the year (9 degrees C and 80% RH) on water activity (aw), pH and growth of various microbial groups (mesophilic aerobic bacteria, fungi and yeasts) was studied. The storage conditions were found to scarcely influence the samples pH, with no significant changes relative to the initial values (the standard deviation was 0.04 and the coefficient of variation 0.85%). By effect of exposure to the temperature and moisture conditions tested, the initially stable feeds reached moisture contents close to 20% and aw values near those of equilibrium with the ambient relative humidity during storage. Microbial counts increased with increasing aw, with final means of 8.44, 9.16 and 8.71 log CFU/g for mesophilic aerobic bacteria, fungi and yeasts, respectively. The risk of mycotoxin production at these aw values is discussed. Careful control of moisture is recommended in order to preserve the quality of pet feed throughout its scheduled shelf life.
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Castro P, López Miranda J, Ordovas J, Marín C, Blanco A, Salas J, Sanchez E, Jiménez-Perepérez J, Pérez-Jiménez F. 4.P.197 Effects of the human apolipoprotein A-I promoter G/A mutation on postprandial lipoprotein metabolism. Atherosclerosis 1997. [DOI: 10.1016/s0021-9150(97)89724-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
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Reyes O, Sanchez E, Pellon A, Borja R, Colmenarejo M, Milan Z, Cruz M. A comparative study of sand and natural zeolite as filtering media in tertiary treatment of wastewaters from tourist areas. ACTA ACUST UNITED AC 1997. [DOI: 10.1080/10934529709376638] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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Sanchez E, Schnyder CC, Mermoud A. [Comparative results of deep sclerectomy transformed to trabeculectomy and classical trabeculectomy]. Klin Monbl Augenheilkd 1997; 210:261-4. [PMID: 9324530 DOI: 10.1055/s-2008-1035050] [Citation(s) in RCA: 44] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
OBJECTIVE To study the learning risk of a new surgical technique, the deep sclerectomy (DS), which may be complicated with a perforation of the trabeculodescemetic membrane. To do so, we compared the results and the complications of patients who underwent DS transformed in trabeculectomy (DSt) and those of patients who underwent trabeculectomy (TE). MATERIALS AND METHODS Between june 1994 and june 1996, we performed 234 DS, 19 of them had to be transformed into a TE, because of a perforation of the trabeculodescemetic membrane during the deep sclerocorneal dissection. Two matched groups of patients were prospectively followed, one group including 19 DSt and a control group including 19 TE. RESULTS The IOP decrease on the first postoperative day was greater in the DSt-group compared to the TE-group (2.32 +/- 3.89 vs 6.73 +/- 4.31, p = 0.004). Scleral perforations occurred mainly during the learning phase of this new surgical technique. Postoperative complications were similar in both groups, except for hypotony and hyphema which were more frequent in the DSt-group (hypotony: 90% vs 37%, p = 0.0019; hyphema: 68% vs 16%, p = 0.017). The long term success rate with or without medication were comparable in both groups. CONCLUSION This study shows that, when a DS is complicated with a perforation of the trabeculodescemetic membrane, the long term success rate of the surgery is similar to that of trabeculectomy. However, immediate postoperative complications such as hypotony and hyphema are increased. These results should encourage surgeons to learn this new non perforating filtration surgery.
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Sanchez E, Munier F, Evéquoz B, Marcoz JP, Balmer A. [Ocular phenotype in a child with chondrodysplasia punctata, rhizomelic form]. Klin Monbl Augenheilkd 1997; 210:329-31. [PMID: 9324546 DOI: 10.1055/s-2008-1035067] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
Chondrodysplasia calcificans punctata (CDP) is a rare congenital syndrome characterized by calcific stippling of the hyaline cartilage. CDP is classified into 4 types: the autosomal dominant Conradi-Hünermann type, the autosomal recessive rhizomelic type, the X-linked dominant form and the X-linked recessive form. We present a child affected with a rhizomelic CDP born from consanguinous parents. The ocular phenotype consisted of microphakia associated with a progressive bilateral "cataracta cortico-zonularis suturata". At 11 years of age, a phacoemulsification and intraocular lens implantation was performed in the left eye.
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Martinez E, Moore DD, Keller E, Pearce D, Robinson V, MacDonald PN, Simons SS, Sanchez E, Danielsen M. The Nuclear Receptor Resource Project. Nucleic Acids Res 1997; 25:163-5. [PMID: 9016529 PMCID: PMC146394 DOI: 10.1093/nar/25.1.163] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023] Open
Abstract
We have expanded the original Glucocorticoid Receptor Resource (GRR) database to include several individual resources as part of a larger project called the Nuclear Receptor Resource (NRR). In addition to the GRR, the NRR currently features the Thyroid Hormone Receptor Resource, the Androgen Receptor Resource, the Mineralocorticoid Receptor Resource, the Vitamin D Receptor Resource, and the Steroid Receptor Associated Proteins Resource. The goal of the NRR project is to provide a comprehensive resource for information on the nuclear receptor superfamily, and to provide a forum for the dissemination and discussion of both published and unpublished material on these proteins. Although the individual resources are managed from different servers, all the files are integrated and can be accessed through the project's Home Page, housed at http://nrr. georgetown.edu/nrr.html. In the near future, we hope to expand the project to contain information on other nuclear receptors and to better our electronic publication system. To accomplish this, we encourage the involvement of nuclear receptor investigators in the NRR.
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Angelopoulos V, Coroniti FV, Kennel CF, Kivelson MG, Walker RJ, Russell CT, McPherron RL, Sanchez E, Meng CI, Baumjohann W, Reeves GD, Belian RD, Sato N, Friis-Christensen E, Sutcliffe PR, Yumoto K, Harris T. Correction to “Multipoint analysis of a bursty bulk flow event on April 11, 1985” by V. Angelopoulos et al. ACTA ACUST UNITED AC 1997. [DOI: 10.1029/96ja03217] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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Bloem JL, Geirnaerdt MJA, Hogendoorn PCW, Chevrot A, Davies AM, Hájek M, Kurková D, Herynek V, Imhof H, Masciocchi C, Maffey MV, Møller JF, Putz R, Reiser MF, Braunschweig R, Bonél H, Stäbler A, Watt I, Adams JE, Harake MDJ, Lipscomp K, Selby PL, Aparisi F, Arana E, Lloret RM, Marti-Bonmati I, Menor F, Sanchez E, Rodrigo C, Beltran J, Cifrian C, Garci JL, Memis A, Arkun R, Akalin T, Ustu EE, Sabah D, Barile A, Rossi F, Zugaro L, Manetta R, Maurizi Enrici R, Beggs I, Bianchi S, Martinoli C, Molini L, Gandolfo N, Damiani S, Helmberger T, Sittek H, Steinborn M, Ritter MM, Geisst HC, Pistitsch C, Herrmann K, Bögl K, Kainberger F, Adlassnig KP, Kolousek G, Leitich H, Kolarz G, Bracke P, Ramon F, Stevens W, De Clarck L, De Schepper A, Sys J, Michielsen J, Martens M, Breitenseher MJ, Trattnig S, Gaebler C, Metz V, Kukla C, Gneger A, Rand T, Brossmann J, Andresen R, Preidler KW, Daenen B, DeMaeseneer M, Resnick D, Burnett S, Saifuddin A, White J, Cassar-Pullicino VN, Inman C, Griffiths J, McCall IW, Masri WE, Csókási Z, Forgacs S, Czerny C, Neuhold A, Hofmann S, Tschauner C, Engel A, Recht MP, Kramer J, DeBeuckeleer L, DeSchepper A, Somerville J, Vandevenne J, De Maeseneer M, Jaovishidha S, Sartoris DJ, Elizagaray E, Saez F, Faletti C, De Stefano N, Sorrentin T, Foderà Pierangeli L, Mona D, Foster JE, Taberner J, Keen M, Dieppe P, Freyschmidt J, Gibbon WW, O'Connor PJ, McGonagle D, Emery P, Grampp S, Lang P, Jergas M, Glüer CC, Steiner E, Takada M, Mathur A, Genant HK, Jevtic V, Rozman B, Kos-Golja M, Demsar F, Nehrer S, Seidl G, Baldt M, Klarlund M, Østergaard M, Sørensen K, Lorenzen I, Eschberger J, Gstettner M, Schneider W, Plenk H, Kühne JH, Steinborn A, Dürr HR, Scheidler J, Lienemann A, Landsiedl F, Mamdorff P, Honda G, Rosenau W, Johnston J, Mindell E, Peterfy CG, Nevitt M, Majumdar S, Lecouvet FE, Vande Berg BC, Maighem J, Michaux JL, Maldague BE, Lecoevet FE, Malghem J, Mastantuono M, Larciprete M, Bassetti E, Argento G, Amoroso M, Satragno L, Nucci F, Romanini L, Passariello R, McNally EG, Goodman TR, Merkle EM, Krammel E, Vogel J, Krämer S, Schulte M, Usadel S, Kern P, Brambs HJ, Mester Á, Makó E, Papp E, Kiss K, Márton E, Dévai T, Duffek L, Bártfai K, Németh L, Karlinger K, Posgay M, Kákosy T, Davies GA, Cowen AR, Fowler RC, Bury RF, Parkin GJS, Lintott DJ, Martinez D, Safadin A, Pal CR, Ostlere SJ, Phillps AJ, Athanasou N, Lemperle SM, Holmes RE, Rühm S, Zanetti M, Romero J, Hodler J, Larena JA, Marti-Bonmarti L, Martin I, Tabernero G, Alonso A, Scarabino T, Guglielmi G, Giannatempo GM, Cammisa M, Salvolini U, Schmitt R, Fellner F, Heinze A, Obletter N, Schnarkowski P, Tirman PFJ, Steinbach LS, Schneider P, Ferrettiz JL, Capozza RF, Braun M, Reiners C, Zettl R, Silvestri E, Falchi M, Delucchi S, Cella R, Neumaier CE, Prato N, Migliorini S, Jessel C, Heuck A, Stevens KJ, Preston BJ, Kerslake RW, Wright W, Wallace WA, Stiskal M, Szolar D, Stenzel I, Mesaric P, Smolen J, Czembirek H, Tasker AD, Benson MK, Fleischmann D, Haller J, Rottmann B, Kontaxis G, Vanel D, Missenard G, Le Cesne A, Guinebretiere JM, Verhoek G, Duewell S, Zollinger H, Vrooman HA, Valstar ER, Brand GJ, Obermann WR, Rozing PM, Reiber JHC, Zafiroski G, Kamnar J, Zografski G, Jeftic V, Vidoevski G, Ledermann T, Zerbi A, Gambaretti R, Trenti N, Zanolla W, Allen AW, Willis CE, Radmer S, Hakim S, Banzer D, Sparmann M, Argent JD, Sampson MA, Baur A, Bartl R, Llopis E, Monton T, Vallcanera A, Serafini G, Bertolotto M, Trudell D, White LM, Garlaschi G, DiLella GM, Bray A, Parrella A, Salvia F, Parrella RE, Esztergályos J, Faul S, Link J, Behrendt S, Helbich T, Steingruber I, Gahleitner A, Kettenbach J, Kreuzer S, Lomoschitz F, Kaposi PN, Reti PG, Kolenc M, Turk Z, Barovic J, Kugler C, Uggowitzer M, Gröll R, Raith J, Ranner G, Liskutin J, Youssefzadeh S, Montagnon C, Billiard JS, Tanji P, Peerally S, Gazielly D, Muhaz-Vives JM, Fernández J, Girveni-Montilos R, Catasuz-Capellades X, Valls-Pascual R, Niitsu M, Mishima H, Itai Y, Pirronti T, Sallustio G, Cerase A, Priolo F, Poleksic L, Atanackovic M, Dimitrijevic B, Bacic G, Potsybina VV, Rangger C, Kathrein A, Klestil T, Gabl M, Daniaux H, Recondo JA, Alustiza JM, Villanua J, Barrera MC, Salvador E, Larrea JA, Martin J. The 3rd annual congress of the European society of skeletal radiology. Eur Radiol 1996. [DOI: 10.1007/bf00187690] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Buezo GF, Porras JI, Fraga J, Sanchez E, Aragües M, Daudén E. Coexistence of diffuse plane normolipaemic xanthoma and amyloidosis in a patient with monoclonal gammopathy. Br J Dermatol 1996; 135:460-2. [PMID: 8949445] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
Diffuse plane normolipaemic xanthomatosis (DPNX) is a well-defined clinicopathological entity that characteristically presents with yellow-orange plaques in the periorbital areas, the neck, the upper trunk and the flexural folds. DPNX has been reported in association with lymphoproliferative disorders and, occasionally, with miscellaneous, probably coincidental disorders. A case of DPNX in a patient with an IgG lambda monoclonal gammopathy and systemic amyloidosis is reported. Clinical and histopathological findings revealed typical features of DPNX and amyloidosis coexisting in the cutaneous lesions. To our knowledge this is the first reported case showing coexistence of xanthoma and amyloidosis in cutaneous lesions in a patient with a monoclonal gammopathy.
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Angelopoulos V, Coroniti FV, Kennel CF, Kivelson MG, Walker RJ, Russell CT, McPherron RL, Sanchez E, Meng CI, Baumjohann W, Reeves GD, Belian RD, Sato N, Friis-Christensen E, Sutcliffe PR, Yumoto K, Harris T. Multipoint analysis of a bursty bulk flow event on April 11, 1985. ACTA ACUST UNITED AC 1996. [DOI: 10.1029/95ja02722] [Citation(s) in RCA: 166] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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Sanchez E, Artaria L. Evaluation of the first 50 ACR360 acrylic intraocular lens implantations. J Cataract Refract Surg 1996; 22 Suppl 2:1373-8. [PMID: 9051533 DOI: 10.1016/s0886-3350(96)80101-5] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
PURPOSE To evaluate the clinical results of implantation of the ACR360 soft acrylic intraocular lens (IOL). SETTING Civico Hospital, Lugano, Switzerland. METHODS This prospective, medium-term study comprised the first 50 consecutive patients who had small incision scleral tunnel phacoemulsification and implantation of an ACR360 acrylic IOL (loptex/Allergan). Intraoperative and postoperative complications, best corrected visual acuity (BCVA), intraocular pressure (IOP), preoperative and postoperative astigmatism, and IOL centration were recorded. Mean follow-up was 12 months +/- 3 (SD). RESULTS One day postoperatively, 94% of best cases (n = 46) achieved a BCVA of 20/40 or better and 54%, 20/25 or better. At 2 weeks, 98% had 20/40 or better and 78%, 20/25 or better. After 6 months, all patients achieved a BCVA of 20/40 or better and 83%, 20/25 or better. No statistically significant changes in keratometric astigmatism or IOP occurred. CONCLUSIONS The ACR360 IOL gave clinical results comparable to those of other foldable lenses; however, it can also be implanted in cases of intraoperative capsular complications and in eyes with intravitreal silicone oil. Development of an injecting system for implantation and substituting the polypropylene loops with poly(methyl methacrylate) haptics could improve lens quality.
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Sanchez E, Schnyder CC, Sickenberg M, Chiou AG, Hédiguer SE, Mermoud A. Deep sclerectomy: results with and without collagen implant. Int Ophthalmol 1996; 20:157-62. [PMID: 9112181 DOI: 10.1007/bf00212963] [Citation(s) in RCA: 79] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
PURPOSE To study the need, the safety and the success rate of collagen implant in eyes that underwent deep sclerectomy, a new non penetrating filtration procedure, we compared the results of deep sclerectomy with (DSCI) and without (DS) collagen implant. METHODS Of 168 patients (168 eyes) with various types of medically uncontrolled open angle glaucoma, 86 (86 eyes) underwent DSCI, and 82 (82 eyes) underwent DS. Visual acuity, slit lamp examination, intraocular pressure (IOP) measurements were performed before surgery and prospectively at days 1 and 7 and months, 1, 2, 3, 6, 9, 12, 15, 18, and 24 after surgery. Deep sclerectomy was performed according to Kozlov's original technique. The collagen implant drainage device was radially secured in the center of the deep sclerectomy dissection. RESULTS The mean follow-up period was 9.7 +/- 6.5 months for DSCI, and 9.0 +/- 4.8 months for DS. The mean preoperative IOP was 26.9 +/- 8.8 mmHg for DSCI and 25.8 +/- 8.5 mmHg for DS. The mean postoperative IOP and visual acuity were similar between the two groups. Complete and qualified success rates were better when the collagen implant was used (Log-Rank test: p = 0.0002 and 0.033 for complete and qualified success respectively). The need for postoperative glaucoma medications was significantly lower when the collagen implant was used (0.2 +/- 0.5 versus 0.5 +/- 0.7 medication per patient in the DSCI and DS respectively, Student's t test: p = 0.0038). There was significantly less bleb fibrosis when the collagen implant was used (2% and 11% in DSCI and DS respectively, p = 0.029). CONCLUSION The collagen implant device is safe, increases the success rate of deep sclerectomy, and lowers the need for postoperative glaucoma medications.
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Gómez E, de Oña M, Aguado S, Tejada F, Nuñez M, Portal C, Diaz-Corte C, Sanchez E, Ortega F, Alvarez-Grande J. Cytomegalovirus preemptive therapy with ganciclovir in renal transplant patients treated with OKT3. Nephron Clin Pract 1996; 74:367-72. [PMID: 8893157 DOI: 10.1159/000189337] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023] Open
Abstract
In an attempt to decrease the prevalence and severity of cytomegalovirus (CMV) disease, preemptive therapy with ganciclovir was administered to all renal transplant patients treated with OKT3 between February 1993 and December 1994 (26 patients). The results were compared with those of a historical group treated with OKT3 but not with ganciclovir (29 patients). Both groups were similar in age, sex, number of previous transplants, number of rejections, serological status of donor and recipient and OKT3 dose. Ganciclovir was administered during the period of treatment with OKT3. Only 2 (7.7%) treated patients developed CMV disease versus 11 (37.9%) of the control group (p = 0.01). In the control group the intensity of the disease was severe in 7 (63.6%) cases, whereas in the treated patients it was always of slight intensity (p = 0.01). In conclusion, preemptive therapy with ganciclovir during treatment with OKT3 decreases the prevalence and severity of CMV disease.
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Lu Q, Sanchez E, Angell C. Rubbery behavior from low molecular weight polymers using high field cation endlinkers. Electrochim Acta 1995. [DOI: 10.1016/0013-4686(95)00170-j] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Castañe M, Peris E, Sanchez E. Ocular dysfunction associated with mental handicap. Ophthalmic Physiol Opt 1995; 15:489-92. [PMID: 8524580] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
The aim of this article is to show the main general and ocular characteristics of a group of 46 mentally handicapped people of different IQ and age who were provided with visual care. Many different syndromes and neurological alterations have been described in the literature. The case types and number of people studied for each condition attending our clinics were: syndromes: Down's (25), Soto (2), West (2), Rubinstein-Taybi (1), triple X (1); neurological conditions: cerebral palsy (8), microcephaly (5), hydrocephaly (2). In our study the ocular findings were high incidence of ametropies: 58.7% hyperopia, 21.7% myopia, 19.5% astigmatism and 28% strabismus.
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