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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
1

Performance indicators in academic radiology departments in the United States

Ondategui Parra, Silvia 21 April 2008 (has links)
PURPOSE: To determine the management performance indicators most frequently utilized in academic radiology departments in the United States. MATERIALS AND METHODS: This investigation met the criteria for an exemption from institutional review board approval. A cross-sectional study in which a validated national survey was sent to members of the Society of Chairmen of Academic Radiology Departments (SCARD) was conducted. The survey was designed to examine the following six categories of 28 performance indicators: (a) general organization, (b) volume and productivity, (c) radiology reporting, (d) access to examinations, (e) customer satisfaction, and (f) finance. A total of 158 variables were included in the analysis. Summary statistics, the 2 test, rank correlation, multiple regression analysis, and analysis of variance were used. RESULTS: A response rate of 42% (55 of 132 SCARD members) was achieved. The mean number of performance indicators used by radiology departments was 16 ± 6.35 (standard deviation). The most frequently utilized performance indicators were as follows: (a) productivity, in terms of examination volume (78% [43 departments]) and examination volume per modality (78% [43 departments]); (b) reporting, in terms of report turnaround (82% [45 departments]) and transcription time (71% [39 departments]); (c) access, in terms of appointment access to magnetic resonance imaging (80% [44 departments]); (d) satisfaction, in terms of number of patient complaints (84% [46 departments]); and (e) finance, in terms of expenses (67% [37 departments]). Regression analysis revealed that the numbers of performance indicators in each category were statistically significant in predicting the total number of performance indicators used (P < .001 for all). Numbers of productivity and financial indicators were moderately correlated (r = 0.51). However, there were no statistically significant correlations between the numbers of performance indicators used and hospital location, hospital size, or department size (P > .4 for all). CONCLUSION: Assessing departmental performance with a wide range of management indicators is not yet an established and standardized practice in academic radiology departments in the United States. Among all indicators, productivity indicators are the most frequently used.
2

El risc de la cirurgia coronària a Catalunya: mètodes i usos de la seva avaluació

Ribera Solé, Aida 13 February 2007 (has links)
L'objectiu d'aquest treball era avaluar la mortalitat hospitalària de la cirurgia coronaria en malalts de la sanitat pública operats en centres de gestió pública i privada de Catalunya, mitjançant l'ús de dues escales de risc (l'EuroSCORE i un model d'àmbit local). S'analitzà també la validesa dels mètodes d'avaluació i es comparà el resultat de la cirurgia sense circulació extracorpòria respecte de la cirurgia amb circulació extracorpòria. Es van incloure tots els malalts consecutius (1.605) sotmesos a una primera intervenció d'empelt coronari aïllat durant dos anys en cinc hospitals. Els resultats indiquen que a Catalunya: 1) La gestió privada del centre s'associa marginalment amb una millor supervivència. 2) L'efectivitat de la cirurgia coronària a millorat en els últims anys. 3) Ambdós instruments d'ajust del risc son útils per a l'avaluació d'aquests resultats. 4) La cirurgia sense circulació extracorpòria s'associa a millors resultats, sobre tot en els pacients amb risc preoperatori baix. / El objetivo de este trabajo era evaluar la mortalidad hospitalaria de la cirugía coronaria de los pacientes de la sanidad pública operados en centros de gestión pública y privada de Cataluña, mediante dos escalas de riesgo (el EuroSCORE y una de ámbito local). Se analizó también la validez de los métodos de evaluación y se comparó el resultado de la cirugía sin circulación extracorporea con el de la cirugía con circulación extracorporea.Se incluyeron los pacientes (1.605) sometidos a una primera intervención de implante aortocoronario aislado durante dos años en cinco centros.Los resultados indican que en Cataluña: La gestión privada se asocia marginalmente a mejor supervivencia. La efectividad de la cirugía coronaria ha mejorado en los últimos años. Ambos instrumentos de ajuste del riesgo resultan útiles para la evaluación de estos resultados. La cirugía sin circulación extracorporea se asocia a mejores resultados, sobre todo en pacientes de riesgo bajo. / The objective of the present study was to evaluate hospital mortality after coronary surgery in patients from the public health system operated on in public and private centers, using two risk scores (the EuroSCORE and a locally derived model). In addition, validity of such evaluating methods was assessed and the results of off-pump and on-pump coronary surgery were compared.All consecutive patients (1.605) undergoing a first isolated coronary by-pass procedure during two years were recruited in five hospitals.The results show that in Catalonia: 1) Private hospital management is associated to a maginal increase in hospital survival. 2) Effectiveness of coronary by-pass surgery has increased compared to previous evaluations. 3) Both risk scores showed complementary properties fort he evaluation of results. 4) Off-pump coronary surgery is associated to better results and the association is grater in low risk patients.

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