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4. The educational system as a system.

Author

Landis, D., Anastasio, E. J., and Slivka, R. M.

Subjects
EDUCATION, SYSTEM analysis, MANUFACTURING industries, DATABASES, RESOURCE allocation, OPERATIONS research
Abstract

Superficially the education system has many of the key elements of a manufacturing organization: a product, tolerance limits for the product, methods for assessing product deviation, and a feedback system for making compensatory adjustments. These elements are: educated youth, educational goals or objectives, performance tests, and a reporting system. Their existence has led some 'managers' to attempt a wholesale application of the systems framework to education. This paper analyses some of the reasons for the comparative lack of success of such attempts. It is shown that rather than modeling the total system (which, because of its open loop characteristics, is probably an impossible task of limited usefulness), systems analysts should focus on those aspects of education which can be systematized. Such aspects are: resource allocation, scheduling, prediction systems (research and evaluation), and data-bank systems. It is considered that successful education system models require that: (1) the designers recognize that schools are political entities, and (2) the system must be focussed at the level of the individual student. The implications of these assumptions are discussed. [ABSTRACT FROM AUTHOR]

Published
1972
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5. The Mode of Delivery and the Risk of Vertical Transmission of Human Immunodeficiency Virus Type 1 — A Meta-Analysis of 15 Prospective Cohort Studies

Author

Andiman, W., Boucher, M., Burns, D., Bryson, Y., Farley, J., Fowler, H., Gabiano, C., Galli, L., Hutto, C., Kind, C., Korber, B., Kovacs, A., Krogstad, P., Landesman, S., Lapointe, N., Lemay, M., Lew, J., Mandelbrot, L., Mayaux, Mj, Mellins, R., Minkoff, H., Mofenson, L., Nielsen, K., Newell, Ml, Pardi, G., Peavy, H., Peckham, C., Read, J., Rother, C., Rudin, C., Scott, G., Semprini, A., Shearer, W., Simonds, R., Simpson, B., Stek, A., Tovo, Pa, Tuomala, R., Dyke, R., Weedon, J., Martino, M., Lindsay, M., Belair, S., Chan, L., Harris, D., Kalish, L., Muenz, L., Nugent, R., Schluchter, M., Durako, S., Goodwin, S., Mitchell, R., Nourjah, P., Owen, W., Widmayer, S., Bardeguez, A., Hanson, C., Wiznia, A., Luzuriaga, K., Viscarello, R., Ho, D., Koup, R., Chen, I., Mullins, J., Wolinsky, S., Walker, B., Ammann, A., Clapp, S., Mcdonald, D., Fauvel, M., Hankins, C., Samson, J., Bailey, A., Giaquinto, C., Ruga, E., Rossi, A., Truscia, D., Grosch-Worner, I., Schafer, A., Mok, J., Johnstone, F., Jiminez, J., Alba, C., Garcia-Rodriguez, M., Bates, I., Jose, I., Hawkins, F., Zapico, Rm, Asensi-Botet, F., Otero, M., Perez-Tamarit, D., Moya, A., Galbis, M., Scherpbier, H., Boer, K., Bohlin, A., Lindgren, S., Ehrnst, A., Anzen, B., Belfrage, E., Levy, J., Alimenti, A., Barlow, P., Ferrazin, A., Maria, A., Gotta, C., Maritati, V., Mur, A., Rovira, M., Paya, A., Coll, O., Fortuny, C., Boguna, J., Caro, Mc, Canet, Y., Ravizza, M., Castagna, C., Fiore, S., Guerra, B., Lanari, M., Bianchi, S., Bovicelli, L., Prati, E., Duse, M., Soresina, A., Scaravelli, G., Santis, M., Muggiasca, M., Vigano, A., Marchisio, P., Iasci, A., Spinillo, A., Bucceri, A., Grossi, E., Rancilio, L., Della Torre, M., Dallacasa, P., Pachi, A., Principi, N., Zara, C., Vignali, M., Rossi, G., Selvaggi, L., Greco, P., Vimercati, A., Massi, G., Innocenti, T., Fiscella, A., Sansone, M., Benedetto, C., Tibaldi, C., Ziarati, N., Tadrist, B., Thevenicau, D., Gondry, J., Paulard, B., Alisy, C., Brault, D., Tordjeman, P., Mamou, J., Rozan, M., Colombani, D., Pincemaille, O., Salvetti, A., Chabanier, C., Hernandorena, X., Leroy, J., Schaal, J., Balde, P., Faucher, P., Lachassinne, E., Benoit, S., Douard, D., Hocke, C., Barjot, P., Brouard, J., Delattre, P., Stien, L., Audibert, F., Labrune, P., Vial, M., Mazy, F., Sitbon, D., Crenn-Hebert, C., Floch-Tudal, C., Akakpo, R., Daveau, C., Leblanc, A., Cesbron, P., Duval-Arnould, H., Huraux-Rendu, C., Lemerle, S., Touboul, C., Guerin, M., Maingueneau, C., Reynaud, I., Rousseau, T., Ercoil, V., Lanza, M., Denavit, M., Garnier, J., Lahsinat, K., Pia, R., Allouche, C., Nardou, M., Grall, F., May, A., Dallot, M., Lhuillier, P., Cecile, W., Mezin, R., Bech, A., Lobut, J., Algava, G., Dermesay, Ac, Busuttil, R., Jacquemot, M., Bader-Meunier, B., Fridman, S., Codaccioni, X., Maxingue, F., Thomas, D., Alain, J., Lumley, L., Tabaste, J., Salin, Pb, Seaume, H., Guichard, A., Kebaili, K., Roussouly, C., Botto, C., Lanete, A., Wipff, P., Cravello, L., Boisse, P., Leclaire, M., Michel, G., Crumiere, C., Lefevre, V., Le Lorier, B., Pauly, I., Robichez, B., Seguy, D., Dehlinger, M., Rideau, F., Talon, P., Benos, P., Huret, C., Nicolas, J., Heller-Roussin, B., Saint-Leger, S., Delaporte, M., Hubert, C., Sarcus, B., Karoubi, P., Mechinaud, F., Bertcrottiere, D., Bongain, A., Monpoux, F., Gennes, C., Devianne, F., Nisand, I., Rousset, M., Mouchnino, G., Muray, J., Munzer, M., Quereux, C., Brossard, V., Clavier, B., Allemon, M., Rotten, D., Stephan, J., Varlet, M., Guyot, B., Narey, P., Bardinet, F., Caunes, F., Jeny, R., Robin, M., Bouley, Ar, Savey, L., Berrebi, A., Tricoire, J., Borderon, J., Fignon, A., Guillot, F., Maria, B., Broyard, A., Chitrit, Y., Firtion, G., Pillet, Ml, Parat, S., Boissinot, C., Garec, N., Levine, M., Ottenwalter, A., Schaller, F., Vilmer, B., Courpotin, C., Brunner, C., Ciraru-Vigneron, N., Hatem-Gantzer, G., Xavier FRITEL, Wallet, A., Bouille, J., Milliez, J., Mrejen, Db, Dermer, E., Noseda, G., Bardou, D., Cressaty, J., Francoual, C., Moncomble, Cc, Cohen, H., Blanche, S., Bastion, H., Benifla, J., Benkhatar, F., Berkane, N., Herve, F., Ronzier, M., Ferraris, G., Rancillo, L., Tulisso, S., Scolfaro, C., Riva, C., Vierucci, A., Luca, M., Farina, S., Fundaro, C., Genovese, O., Mercu, G., Forni, G., Stegagno, M., Falconieri, P., Zuccotti, G., Riva, E., Cellini, M., Baraldi, C., Consolini, R., Palla, G., Ruggeri, M., Pignata, C., Guarino, A., Osimani, P., Metri, A., Antonellini, A., Benaglia, G., Romano, A., Mattia, D., Caselli, D., Boni, S., Erba, G., Bassanetti, F., Sticca, M., Timpano, C., Magnani, C., Salvatore, C., Gambaretto, G., Lipreri, R., Tornaghi, R., Pinzani, R., Cecchi, M., Bezzi, T., Battisti, L., Bresciani, E., Gattinara, G., Berrino, R., Pellegatta, A., Mazza, A., Baldi, F., Micheletti, E., Altobelli, R., Deiana, M., Colnaghi, C., Tarallo, L., Tondo, U., Anastasio, E., Chiriaco, P., Contardi, I., Ruggeri, C., Ibba, P., O Sullivan, M., Malmsberry, A., Willoughby, A., Goedert, J., Mendez, H., Holman, S., Rubinstein, A., Nesheim, S., Clark, S., Lee, F., Nahmias, A., Sawyer, M., Vink, P., Alger, L., Abrams, E., Bamji, M., Lambert, G., Schoenbaum, E., Thea, D., Thomas, P., Palumbo, P., Denny, T., Oleske, J., Orloff, S., Ethier-Ives, J., Rogers, M., Kutner, M., Kaplan, S., Kattan, M., Lipshultz, S., Sopko, G., Sloand, E., Wu, M., Nadal, D., Siegrist, Ca, Wyler, Ca, Cheseaux, Jj, Aebi, C., Gnehm, H., Schubiger, G., Klingler, J., Hunziker, U., Kuchler, H., Gianinazzi, M., Buhlmann, U., Biedermann, K., Lauper, U., Irion, O., Brunelli, A., Spoletini, G., Schreyer, A., Hosli, I., Saurenmann, E., Drack, G., Isenschmid, M., Poorbeik, M., Schupbach, J., Perrin, L., Erb, P., Joller, H., Dillon, M., Nielsen, R., Boyer, P., Liao, D., Keller, M., Deveikis, A., Khoury, M., Diaz, C., Pacheco-Acosta, E., Cooper, E., Mesthene, D., Pitt, J., Higgins, A., Moroso, G., Rich, K., Turpin, D., Cooper, N., Fowler, M., Smeriglio, V., Mckinlay, S., and Ellis, S.

Subjects
Male, medicine.medical_specialty, Multivariate analysis, Anti-HIV Agents, Birth weight, HIV Infections, Cohort Studies, Pregnancy, Risk Factors, medicine, Birth Weight, Humans, Rupture of membranes, Pregnancy Complications, Infectious, Prospective cohort study, Cesarean Section, Obstetrics, business.industry, Infant, Newborn, General Medicine, Odds ratio, Delivery, Obstetric, medicine.disease, Infectious Disease Transmission, Vertical, Confidence interval, Logistic Models, Multivariate Analysis, Immunology, HIV-1, Female, business, Zidovudine, Cohort study
Abstract

Background To evaluate the relation between elective cesarean section and vertical transmission of human immunodeficiency virus type 1 (HIV-1), we performed a meta-analysis using data on individual patients from 15 prospective cohort studies. Methods North American and European studies of at least 100 mother-child pairs were included in the meta-analysis. Uniform definitions of modes of delivery were used. Elective cesarean sections were defined as those performed before onset of labor and rupture of membranes. Multivariate logistic-regression analysis was used to adjust for other factors known to be associated with vertical transmission. Results The primary analysis included data on 8533 mother-child pairs. After adjustment for receipt of antiretroviral therapy, maternal stage of disease, and infant birth weight, the likelihood of vertical transmission of HIV-1 was decreased by approximately 50 percent with elective cesarean section, as compared with other modes of delivery (adjusted odds ratio, 0.43; 95 percent confidence interval, 0.33 to 0.56). The results were similar when the study population was limited to those with rupture of membranes shortly before delivery. The likelihood of transmission was reduced by approximately 87 percent with both elective cesarean section and receipt of antiretroviral therapy during the prenatal, intrapartum, and neonatal periods, as compared with other modes of delivery and the absence of therapy (adjusted odds ratio, 0.13; 95 percent confidence interval, 0.09 to 0.19). Among mother-child pairs receiving antiretroviral therapy during the prenatal, intrapartum, and neonatal periods, rates of vertical transmission were 2.0 percent among the 196 mothers who underwent elective cesarean section and 7.3 percent among the 1255 mothers with other modes of delivery. Conclusions The results of this meta-analysis suggest that elective cesarean section reduces the risk of transmission of HIV-1 from mother to child independently of the effects of treatment with zidovudine.

Published
1999
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6. Virologic, immunologic, and clinical benefits from early combined antiretroviral therapy in infants with perinatal HIV-1 infection

Author

Chiappini, E., Galli, L., Atovo, P. i. e. r., Gabiano, C., Castelli Gattinara, G., Guarino, A., Baddato, R., Giaquinto, C., Lisi, C., de Martino, M., Osimani, P., Cordiali, R., De Mattia, D., Manzionna, M., Di Bari, C., Ruggeri, M., Masi, M., Miniaci, A., Specchia, F., Ciccia, M., Lanari, M., Baldi, F., Battisti, L., Fiorino, C., Dessı`, C., Pintor, C., Dedoni, M., Fenu, M. L., Cavallini, R., Anastasio, E., Merolla, F., Sticca, M., Pomero, G., Bezzi, Teresa Maria, Fiumana, Elisa, Bonsignori, F., Gervaso, P., Seini, E., Cecchi, M. T., Cosso, D., Timitilli, A., Stronati, M., Plebani, A., Pinzani, R., Bongianin, I., Vigano`, A., Giacomet, V., Erba, P., Salvini, F., Zuccotti, G. V., Giovannini, M., Ferraris, G., Lipreri, R., Moretti, C., Cellini, M., Cano, M. C., Paolucci, P., Bruzzese, E., De Marco, G., Tarallo, L., Tancredi, F., Pennazzato, M., Rampon, O., Dalle Nogare, E. R., Sanfilippo, A., Romano, A., Saitta, M., Dodi, I., Barone, A., Maccabruni, A., Consolini, R., Legitimo, A., Magnani, C., Falconieri, P., Fundaro`, C., Genovese, O., Panzanella, A., Casadei, A. M., Martino, A., Concato, C., Anzidei, G., Bove, G., Cerilli, S., Catania, S., Ajassa, C., Ganau, A., Cristiano, L., Mazza, A., Di Palma, A., Mignone, F., Riva, C., Scorfaro, C., Portelli, V., Rabusin, M., Pellegatta, A., Molesini, M., Chiappini, E, Galli, L, Tovo, Pa, Gabiano, C, Gattinara, Gc, Guarino, Alfredo, Baddato, R, Giaquinto, C, Lisi, C, and DE MARTINO, M.

Subjects
medicine.medical_specialty, Pediatrics, Anti-HIV Agents, medicine.medical_treatment, Immunology, combined antiretroviral therapy, CD4-CD8 Ratio, HIV Infections, HIV-1 infection, Asymptomatic, Drug Administration Schedule, Acquired immunodeficiency syndrome (AIDS), Immunopathology, Antiretroviral Therapy, Highly Active, Medicine, Immunology and Allergy, Humans, Sida, ART, infants, Chemotherapy, biology, business.industry, Age Factors, Infant, Viral Load, biology.organism_classification, medicine.disease, Infectious Disease Transmission, Vertical, Surgery, CD4 Lymphocyte Count, Infectious Diseases, Treatment Outcome, Child, Preschool, Lentivirus, Disease Progression, HIV-1, Viral disease, medicine.symptom, business, Epidemiologic Methods, Viral load
Abstract

Objective: To investigate the impact of early versus deferred combined antiretroviral treatment (ART) in asymptomatic or moderately symptomatic [Centers for Disease Control and Prevention (CDC) category N, A or B] infants with perinatal HIV-1 infection. Methods: A multi-centre nationwide case-control study was conducted. Data from 30 infants treated with combined ART with three or more drugs before 6 months of age were compared with data from 103 infants starting ART with three or more drugs after 6 months of age. The median follow-up time was 4.1 years (range, 1.0-6.5 years). Results: No difference was evident in the first available viral load and CD4 T-lymphocyte percentage between the two groups of children. Early-treated infants showed significantly lower viral loads than infants receiving deferred treatment at all the follow-up periods. A higher proportion of early-treated infants than infants receiving deferred treatment (73.3% versus 30.1%; P < 0.0001) reached an undetectable viral load. Higher CD4 T-lymphocyte percentages were found in early-treated infants at 13-24 (P < 0.0001), 25-36 (P < 0.0001), and 37-48 (P = 0.003) months of age. No early-treated infant versus 20 of 103 (19.4%) infants receiving deferred ART (P=0.02) showed a CD4 T-lymphocyte percentage of less than 15% at one time point during follow-up. No CDC category A, B or C clinical event occurred in early-treated infants over the follow-up period while 44 of 103 (42.7%) infants receiving deferred treatment presented a decline in the CDC category. Kaplan-Meier analyses revealed significant differences in CDC category A (P = 0.0002), B (P = 0.0003), and C (P = 0.0018) event-free survivals. Conclusion: The data suggest virologic, immunologic, and clinical benefits from early administration of ART.

Published
2006

7. The 2016 Kaikōura Earthquake Revealed by Kinematic Source Inversion and Seismic Wavefield Simulations: Slow Rupture Propagation on a Geometrically Complex Crustal Fault Network.

Author

Holden, C., Kaneko, Y., D'Anastasio, E., Benites, R., Fry, B., and Hamling, I. J.

Abstract

The 2016 Kaikōura (New Zealand) earthquake generated large ground motions and resulted in multiple onshore and offshore fault ruptures, a profusion of triggered landslides, and a regional tsunami. Here we examine the rupture evolution using two kinematic modeling techniques based on analysis of local strong-motion and high-rate GPS data. Our kinematic models capture a complex pattern of slowly ( Vr < 2 km/s) propagating rupture from south to north, with over half of the moment release occurring in the northern source region, mostly on the Kekerengu fault, 60 s after the origin time. Both models indicate rupture reactivation on the Kekerengu fault with the time separation of ~11 s between the start of the original failure and start of the subsequent one. We further conclude that most near-source waveforms can be explained by slip on the crustal faults, with little (<8%) or no contribution from the subduction interface. [ABSTRACT FROM AUTHOR]

Published
2017
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8. Slow slip events and the 2016 Te Araroa M w 7.1 earthquake interaction: Northern Hikurangi subduction, New Zealand.

Author

Koulali, A., McClusky, S., Wallace, L., Allgeyer, S., Tregoning, P., D'Anastasio, E., and Benavente, R.

Abstract

Following a sequence of three Slow Slip Events (SSEs) on the northern Hikurangi Margin, between June 2015 and August 2016, a M w 7.1 earthquake struck ~30 km offshore of the East Cape region in the North Island of New Zealand on the 2 September 2016 (NZ local time). The earthquake was also followed by a transient deformation event (SSE or afterslip) northeast of the North Island, closer to the earthquake source area. We use data from New Zealand's continuous Global Positioning System networks to invert for the SSE slip distribution and evolution on the Hikurangi subduction interface. Our slip inversion results show an increasing amplitude of the slow slip toward the Te Araroa earthquake foreshock and main shock area, suggesting a possible triggering of the M w 7.1 earthquake by the later stage of the slow slip sequence. We also show that the transient deformation following the Te Araroa earthquake ruptured a portion of the Hikurangi Trench northeast of the North Island, farther north than any previously observed Hikurangi margin SSEs. Our slip inversion and the coulomb stress calculation suggest that this transient may have been induced as a response to the increase in the static coulomb stress change downdip of the rupture plane on the megathrust. These observations show the importance of considering the interaction between slow slip events, seismic, and aseismic events, not only on the same megathrust interface but also on faults within the surrounding crust. [ABSTRACT FROM AUTHOR]

Published
2017
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9. Use of Post‐Natal Antiretroviral Prophylaxis for Prevention of Mother‐to‐Child Transmission of HIV Is Increasing in Italy

Author

Author:, Chiappini, Galli, E, Tovo, L, Gabiano, Pa, Buffolano, C, Cellini, W, Portelli, M, Esposito, V, S, Gotta, C, Martino, De, Italian Register for HIV Infection in Children: Boscardini, M., L, Rioi, Da, Cristiano, R, Bernardi, L, Genovese, S, Casadei, O, Anastasio, E, Giannattasio, A, Tarallo, L, Viganò, A, Salvini, F, Lipreri, R, Romano, A, Dalle, Nogare, Maccabruni, E, Giaquinto, A, Cosso, C, Bondi, D, Rosso, E, Mazza, R, Pellegatta, A, Dedoni, A, Larovere, M, Baldi, D, Faldella, F, Masi, G, Ciccia, M, Dodi, M, Paolo, I, Rabusin, F, Quercia, M, Ruggeri, M, Abbagnato, M, Osimani, L, Badolato, P, R, Consolini, Rita, Chiappini, E, Galli, L, Tovo, Pa, Gabiano, C, Buffolano, Wilma, Cellini, M, Portelli, V, Esposito, S, Gotta, C, and de Martino, M.

Subjects
Male, Microbiology (medical), Pediatrics, medicine.medical_specialty, Anti-HIV Agents, MEDLINE, HIV Infections, Chemoprevention, Zidovudine, medicine, Humans, Maternal Transmission, Infectious disease transmission, business.industry, Infant, Newborn, Prevention of mother to child transmission, Virology, Infectious Disease Transmission, Vertical, Infectious Diseases, Italy, Chemoprophylaxis, Female, Disease prevention, business, Viral load, medicine.drug
Published
2009
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11. Reduction in Mortality With Availability of Antiretroviral Therapy for Children With Perinatal HIV-1 Infection

Author

Martino, De, Tovo, M, Balducci, Pa, Galli, L, Gabiano, L, Rezza, C, G, Amnd, Pezzotti, for the Italian Register for HIV infection in Children, P., the Italian National AIDS Registry: Partecipants: Osimani, P, Bari, Di, Larovere, C, Ruggeri, M, Masi, M, Specchia, M, Battisti, L, Duse, L, Crispino, M, Carrara, P, Pintor, C, Dedoni, C, Dessì, C, Loriano, D, Anastasio, E, Bezzi, E, T, Luca, De, Farina, M, Vierucci, S, Bassetti, A, Pontali, E, Boni, E, Marazzi, S, Tasso, Mg, Giovanettoni, L, Salvini, F, Pinzani, R, Marchisio, P, Viganò, P, Tornaghi, A, Zuccotti, R, Riva, Vg, Giovannini, E, Liprieri, R, Copnio, S, Ferraris, S, Cellini, G, Baraldi, M, Guarino, C, A, Berni, Canani, Tarallo, R, Giaquinto, L, Ruga, C, Rampon, E, O, Dalle, Nogare, Sanfilippo, Er, Romano, A, Benaglia, A, Dodi, G, Caselli, I, Maccabruni, D, Pacati, A, I, and Consolini, Rita

Subjects
Pregnancy, Longitudinal study, medicine.medical_specialty, Pediatrics, business.industry, Mortality rate, Birth weight, Gestational age, General Medicine, medicine.disease, Surgery, Pharmacotherapy, Acquired immunodeficiency syndrome (AIDS), Medicine, business, Survival analysis
Abstract

ContextSince the introduction of combined antiretroviral therapy, mortality rates in adults with human immunodeficiency virus type 1 (HIV-1) infection have decreased. However, little information is available outside the setting of controlled trials on survival of perinatally HIV-infected children treated with antiretroviral therapy.ObjectiveTo assess effect of availability of antiretroviral therapy on decreasing mortality in perinatally HIV-infected children.DesignPopulation-based, multicenter longitudinal study involving data collected by the Italian Register for HIV Infection in Children.SettingA network of 106 pediatric clinical centers.SubjectsA total of 1142 children born between November 1980 and December 1997 with perinatally acquired HIV infection with a median follow-up of 5.9 years.Main Outcome MeasureTime to HIV-related death calculated for birth cohort and calendar period and grouped by distribution of predominant type of antiretroviral therapy administered over time.ResultsSurvival was longer in the 1996-1997 birth cohort (crude relative hazard [RH] of death, 0.39; 95% confidence interval [CI], 0.15-0.96) and 1996-1998 calendar period (crude RH of death, 0.65; 95% CI, 0.45-0.95) than in birth cohort and calendar period 1980-1995, but not when adjusted for maternal antiretroviral treatment during pregnancy and clinical condition at time of delivery, gestational age, and birth weight (adjusted RH of death, 0.55; 95% CI, 0.20-1.50, for birth cohort; and adjusted RH of death, 0.71, 95% CI, 0.43-1.16, for calendar period). In a multivariate model with 1980-1995 as comparison, the 1996-1997 birth cohort had an RH of 0.57 (95% CI, 0.22-1.47; P=.27) but RH for calendar period 1996-1998 was 0.63 (95% CI, 0.47-0.85; P

Published
2000
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13. Coseismic and initial post-seismic slip of the 2009 Mw 6.3 L’Aquila earthquake, Italy, from GPS measurements.

Author

Cheloni, D., D'Agostino, N., D'Anastasio, E., Avallone, A., Mantenuto, S., Giuliani, R., Mattone, M., Calcaterra, S., Gambino, P., Dominici, D., Radicioni, F., and Fastellini, G.

Subjects
SATELLITE geodesy, GEODETIC satellites, GEOMETRY problems & exercises, PLATE tectonics, CONTINENTAL drift, SEISMOLOGY, GLOBAL Positioning System
Abstract

Here we report the preliminary results of GPS data inversions for coseismic and initial afterslip distributions of the Mw 6.3 2009 April 6 L’Aquila earthquake. Coseismic displacements of continuous and survey-style GPS sites, show that the earthquake ruptured a planar SW-dipping normal fault with ∼0.6 m average slip and an estimated moment of 3.9 × 1018 Nm. Geodetic data agree with the seismological and geological information pointing out the Paganica fault, as the causative structure of the main shock. The position of the hypocentre relative to the coseismic slip distribution supports the seismological evidence of southeastward rupture directivity. These results also point out that the main coseismic asperity probably ended downdip of the Paganica village at a depth of few kilometres in agreement with the small (1–10 cm) observed surface breaks. Time-dependent post-seismic displacements have been modelled with an exponential function. The average value of the estimated characteristic times for near-field sites in the hanging-wall of the fault is 23.9 ± 5.4 d. The comparison between coseismic slip and post-seismic displacements for the first 60 d after the main shock, shows that afterslip occurred at the edges of the main coseismic asperity with a maximum estimated slip of ∼25 cm and an equivalent seismic moment of 6.5 × 1017 Nm. The activation of the Paganica fault, spatially intermediate between the previously recognized main active fault systems, suggests that strain accumulation in the central Apennines may be simultaneously active on distinct parallel fault systems. [ABSTRACT FROM AUTHOR]

Published
2010
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16. Reassessment of the source of the 1976 Friuli, NE Italy, earthquake sequence from the joint inversion of high-precision levelling and triangulation data.

Author

Cheloni, D., D'Agostino, N., D'Anastasio, E., and Selvaggi, G.

Subjects
INVERSION (Geophysics), TRIANGULATION, DATA analysis, GEODESY, EARTHQUAKES
Abstract

SUMMARY In this study, we revisit the mechanism of the 1976 Friuli (NE Italy) earthquake sequence (main shocks Mw 6.4, 5.9 and 6.0). We present a new source model that simultaneously fits all the available geodetic measurements of the observed deformation. We integrate triangulation measurements, which have never been previously used in the source modelling of this sequence, with high-precision levelling that covers the epicentral area. We adopt a mixed linear/non-linear optimization scheme, in which we iteratively search for the best-fitting solution by performing several linear slip inversions while varying fault location using a grid search method. Our preferred solution consists of a shallow north-dipping fault plane with assumed azimuth of 282° and accommodating a reverse dextral slip of about 1 m. The estimated geodetic moment is 6.6 × 1018 Nm ( Mw 6.5), in agreement with seismological estimates. Yet, our preferred model shows that the geodetic solution is consistent with the activation of a single fault system during the entire sequence, the surface expression of which could be associated with the Buia blind thrust, supporting the hypothesis that the main activity of the Eastern Alps occurs close to the relief margin, as observed in other mountain belts. The retrieved slip pattern consists of a main coseismic patch located 3-5 km depth, in good agreement with the distribution of the main shocks. Additional slip is required in the shallower portions of the fault to reproduce the local uplift observed in the region characterized by Quaternary active folding. We tentatively interpret this patch as postseismic deformation (afterslip) occurring at the edge of the main coseismic patch. Finally, our rupture plane spatially correlates with the area of the locked fault determined from interseismic measurements, supporting the hypothesis that interseismic slip on the creeping dislocation causes strain to accumulate on the shallow (above ∼10 km depth) locked section. Assuming that all the long-term accommodation between Adria and Eurasia is seismically released, a time span of 500-700 years of strain-accumulating plate motion would result in a 1976-like earthquake. [ABSTRACT FROM AUTHOR]

Published
2012
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19. Active crustal extension and strain accumulation from GPS data in the Molise region (central-southern Apennines, Italy).

Author

Giuliani, R., D'Agostino, N., D'Anastasio, E., Mattone, M., Bonci, L., Calcaterra, S., Gambino, P., and Merli, K.

Subjects
*GLOBAL Positioning System, *MOBILE geographic information systems, *EARTHQUAKES, *HOMOGENEOUS spaces, *SPEED, *SEISMOLOGY, *COASTS
Abstract

In this paper, we report new GPS measurements which indicate active NE-SW extension and strain accumulation in the Mouse region (Apermines, Italy). The GPS observations were collected during campaigns on benchmarks of the dense IGM95 network (average distance 20 km), spanning a maximum observation interval of 13 years, and have been integrated with measurements from the available permanent GPS sites. Considering the differential motion of the GPS sites, located on the Tyrrhenian and Adriatic coasts, we can evaluate a 4-5 mm/yr extension accommodated across this part of the Apennines. The velocity field exhibits clusters of sites with homogeneous velocity vectors, outlining two main divergence areas, both characterized by the largest velocity gradients: one near Venafro and the other near Isemia where two primary active faults and several historical earthquakes have been documented. These results suggest that an active extension in this part of the Apennines can be currently distributed between the two faults systems associated with the largest earthquakes of this region. [ABSTRACT FROM AUTHOR]

Published
2009

20. Characteristics of children in residential treatment in New York State.

Author

Dale N, Baker AJL, Anastasio E, and Purcell J

Abstract

This study addresses three questions about the population of children and families served in the highest level of care in the child welfare system in New York State residential treatment centers (RTCs): (1) How prevalent are emotional and behavioral problems in the youth entering RTCs? (2) Has the proportion of youth with such problems increased compared to ten years ago? (3) Are there identifiable subgroups of youth entering RTCs? One-fourth of RTC admissions in FY 2001 were randomly selected from a representative sample of 16 RTCs. The study completed standardized data collection instrument based on a review of agency records, and included information that was known at the time each child was admitted. The results show significant increases compared to ten years earlier in the proportion of youth with mental health problems and juvenile justice backgrounds. The findings suggest that youth who traditionally have been served by other systems of care are now being served in the child welfare system. The increased treatment needs of these youth and the heterogeneity of the RTC population have important implications for policies, programs, and practice. [ABSTRACT FROM AUTHOR]

Published
2007

21. A combination of portable non-invasive techniques to study on reverse glass paintings at Mistretta museum

Author

V. Mollica Nardo, Eugenio Caponetti, Maria Luisa Saladino, R. C. Ponterio, Cirino Vasi, G. Anastasio, Vincenzo Renda, and V. Mollica Nardo, V. Renda, G. Anastasio, E. Caponetti, M.L. Saladino, C.S. Vasi, R. C. Ponterio

Subjects
Painting, Reverse gla, Geographic area, media_common.quotation_subject, XRF, 010401 analytical chemistry, Non invasive, 02 engineering and technology, Art, 021001 nanoscience & nanotechnology, 01 natural sciences, Archaeology, language.human_language, 0104 chemical sciences, Analytical Chemistry, Raman spectroscopy, language, Portable instrumentation, 0210 nano-technology, Sicilian, TR FTIR, Spectroscopy, Settore CHIM/02 - Chimica Fisica, media_common
Abstract

Reverse painting on glass is an old decorative technique used since the Roman time consisting in applying a cold paint layer on the reverse side. The Sicilian Regional Museum of forestry and pastoral traditions in Mistretta (Messina, Italy) houses the largest collection of reverse glass paintings in Italy with a total of 195 artworks. The artworks are attributed to the different Italian geographic area from north to south Italy. A combination of non-invasive analysis by using complementary portable spectroscopic instrumentations (mainly XRF and Raman Spectrometers) was applied on some selection of reverse glass paintings. The goal of the work is the characterization of the nature of pigments and of binders used in the realization of the paints. The composition of glasses used as substrate has been also investigated.

Published
2019
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22. Combined antiretroviral therapy reduces hyperimmunoglobulinemia in HIV-1 infected children

Author

Chiappini, E, Galli, L, Tovo, PA, Gabiano, C, de Martino, M, Osimani, P, Cordiali, R, De Mattia, D, Manzioma, M, DI BARI, DANIELA COLOMBA, Ruggeri, M, Masi, M, Miniaci, A, Specchia, F, Ciccia, M, Lanari, M, Baldi, F, Battisti, L, Schumacher, R, Duse, M, Fiorino, C, Dessi, C, Pintor, C, Dedoni, M, Fenu, ML, CAVALLINI, RAFFAELLA, D'ANASTASIO, ELISABETTA, Merolla, F, Sticca, M, Pomero, G, Bezzi, T, Fiumana, E, Paganelli, S, Vierucci, A, Vitucci, P, CECCHI, MARIA TERESA, Cosso, D, Timitilli, A, Stronati, M, Plebani, A, PINZANI, ROBERTO, VIGANO', ALDO, Giacomet, V, Bianchi, R, SALVINI, FRANCESCO, Zuccotti, GV, Giovannini, M, Ferraris, G, Lipreri, R, Moretti, C, Cellini, M, Cano, MC, Palazzi, G, Guarino, A, Bruzzese, E, DE MARCO, GIUSEPPINA, Tarallo, L, TANCREDI, FERNANDO ANTONIO, Giaquinto, C, D'Elia, R, Rampon, O, Nogare, EDR, SANFILIPPO, ALESSIA, Romano, A, Saitta, M, Dodi, I, Barone, A, Maccabruni, A, Consolini, R, Legitimo, A, Magnani, C, Falconieri, P, Fundaro, C, Genovese, O, Salvucci, S, Casadei, AM, Gattinara, GC, Bernardi, S, PALMA, PASQUALE, Anzidei, G, Anzidei, M, Cerilli, S, Catania, S, Ajassa, C, Ganau, A, Cristiano, L, Mazza, A, Di Palma, A, Garetto, S, Riva, C, Scolfaro, C, Portelli, V, Rabusin, M, Pellegatta, A, Molesini, M, Chiappini, E, Galli, L, Tovo, PA, Gabiano, C, de Martino, M, Osimani, P, Cordiali, R, De Mattia, D, Manzioma, M, Di Bari, C, Ruggeri, M, Masi, M, Miniaci, A, Specchia, F, Ciccia, M, Lanari, M, Baldi, F, Battisti, L, Schumacher, R, Duse, M, Fiorino, C, Dessi, C, Pintor, C, Dedoni, M, Fenu, ML, Cavallini, R, Anastasio, E, Merolla, F, Sticca, M, Pomero, G, Bezzi, T, Fiumana, E, Paganelli, S, Vierucci, A, Vitucci, P, Cecchi, MT, Cosso, D, Timitilli, A, Stronati, M, Plebani, A, Pinzani, R, Vigano, A, Giacomet, V, Bianchi, R, Salvini, F, Zuccotti, GV, Giovannini, M, Ferraris, G, Lipreri, R, Moretti, C, Cellini, M, Cano, MC, Palazzi, G, Guarino, A, Bruzzese, E, De Marco, G, Tarallo, L, Tancredi, F, Giaquinto, C, D'Elia, R, Rampon, O, Nogare, EDR, Sanfilippo, A, Romano, A, Saitta, M, Dodi, I, Barone, A, Maccabruni, A, Consolini, R, Legitimo, A, Magnani, C, Falconieri, P, Fundaro, C, Genovese, O, Salvucci, S, Casadei, AM, Gattinara, GC, Bernardi, S, Palma, P, Anzidei, G, Anzidei, M, Cerilli, S, Catania, S, Ajassa, C, Ganau, A, Cristiano, L, Mazza, A, Di Palma, A, Garetto, S, Riva, C, Scolfaro, C, Portelli, V, Rabusin, M, Pellegatta, A, and Molesini, M

Subjects
Adult, medicine.medical_specialty, Adolescent, immunogiobulins, Immunology, immunoglobulins, combined antiretroviral therapy, Human immunodeficiency virus (HIV), HIV Infections, medicine.disease_cause, Gastroenterology, children, Hypergammaglobulinemia, Internal medicine, medicine, Humans, Immunology and Allergy, Child, Therapeutic regimen, biology, business.industry, Immunoglobulins, Intravenous, Infant, Normal population, hiv-1 infection, Settore MED/38, Antiretroviral therapy, HIV Reverse Transcriptase, Infectious Diseases, Child, Preschool, Intravenous IG, HIV-1, biology.protein, HIV-1 infection, Drug Evaluation, Reverse Transcriptase Inhibitors, Drug Therapy, Combination, Antibody, business, Viral load
Abstract

Objective: To evaluate the effect of combined antiretroviral therapy on serum immunoglobulin (Ig) levels in HIV-1 perinatally infected children.Methods: Data from 1250 children recorded by the Italian Register for HIV Infection in Children from 1985 to 2002 were analysed. Since Ig levels physiologically vary with age, differences at different age periods were evaluated as differences in z-scores calculated using means and standard deviations of normal population for each age period. Combined antiretroviral therapy has become widespread in Italy since 1996, thus differences in Ig z-scores between the periods 1985-1995 and 1996-2002 were analysed. Data according to type of therapeutic regimen were also analysed.Results: Between the two periods 1985-1995 and 1996-2002, significant (P < 0.0001) decreases in IgG (6.29 +/- 4.72 versus 4.44 +/- 4.33), IgM (9.25 +/- 13.32 versus 5.61 +/- 7.93), and IgA (10.25 +/- 15.68 versus 6.48 +/- 11.56) z-scores, together with a parallel significant (P < 0.0001) increase in CD4 T-lymphocyte percentages, were found. These decreases were confirmed regardless of whether the children were receiving intravenous Ig or not. Ig z-scores were significantly higher in children receiving mono-therapy than in those receiving double-combined therapy (IgG, P < 0.0001; IgM, P = 0.003; IgA, P = 0.031) and in the latter children than in those receiving three or more drugs (P < 0.0001 for all z-scores). Ig z-scores correlated inversely with CD4 T lymphocyte percentages and, directly, with viral loads.Conclusions: Our data show that in HIV-1 infected children combined antiretroviral therapy leads to reduction of hyperimmunoglobulinemia which parallels restoration of CD4 T-lymphocyte percentage and viral load decrease, which it turn probably reflects improved B-lymphocyte functions.(C) 2004 Lippincott Williams Wilkins.

Published
2004
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