An interdisciplinary approach to studying seismic hazard throughout Greece

Author(s):  
P. R. Cruddace ◽  
P. A. Cross ◽  
G. Veis ◽  
H. Billiris ◽  
D. Paradissis ◽  
...  
Geosciences ◽  
2019 ◽  
Vol 9 (9) ◽  
pp. 403 ◽  
Author(s):  
Mauro Caccavale ◽  
Marco Sacchi ◽  
Efisio Spiga ◽  
Sabina Porfido

A hazard assessment of the 1976 Guatemala earthquake (M = 7.5) was conducted to achieve a better definition of the seismic hazard. The assessment was based on the environmental effects that had effectively contributed to the high destructive impact of that event. An interdisciplinary approach was adopted by integrating: (1) historical data; (2) co-seismic geological effects in terms of Environmental Seismic Intensity (ESI) scale intensity values; and (3) ground shaking data estimated by a probabilistic/deterministic approach. A detailed analysis of primary and secondary effects was conducted for a set of 24 localities, to obtain a better evaluation of seismic intensity. The new intensity values were compared with the Modified Mercalli Intensity (MMI) and Peak Ground Acceleration (PGA) distribution estimated using a probabilistic/deterministic hazard analysis approach for the target area. Our results are evidence that the probabilistic/deterministic hazard analysis procedures may result in very different indications on the PGA distributions. Moreover, PGA values often display significant discrepancy from the macroseismic intensity values calculated with the ESI scale. Therefore, the incorporation of the environmental earth effects into the probabilistic/deterministic hazard analysis appears to be mandatory in order to achieve a more accurate seismic estimation.


2008 ◽  
Vol 18 (2) ◽  
pp. 76-86 ◽  
Author(s):  
Lauren Hofmann ◽  
Joseph Bolton ◽  
Susan Ferry

Abstract At The Children's Hospital of Philadelphia (CHOP) we treat many children requiring tracheostomy tube placement. With potential for a tracheostomy tube to be in place for an extended period of time, these children may be at risk for long-term disruption to normal speech development. As such, speaking valves that restore more normal phonation are often key tools in the effort to restore speech and promote more typical language development in this population. However, successful use of speaking valves is frequently more challenging with infant and pediatric patients than with adult patients. The purpose of this article is to review background information related to speaking valves, the indications for one-way valve use, criteria for candidacy, and the benefits of using speaking valves in the pediatric population. This review will emphasize the importance of interdisciplinary collaboration from the perspectives of speech-language pathology and respiratory therapy. Along with the background information, we will present current practices and a case study to illustrate a safe and systematic approach to speaking valve implementation based upon our experiences.


Swiss Surgery ◽  
2002 ◽  
Vol 8 (2) ◽  
pp. 45-52 ◽  
Author(s):  
Remmel ◽  
Harder

Prophylactic mastectomy is an aggressive strategy for breast cancer risk reduction. The indications and efficiency of this procedures are not yet clearly defined. Randomized, prospective studies, comparing different surgical procedures with other modalities of breast cancer risk reduction are lacking. The report evaluates the existing controversy, based on Medline search in the following sequence: risk factors, possibilities of risk reduction, effectiveness of risk reduction, technical considerations and recommendations. Patient selection is difficult and needs an interdisciplinary approach. The women have to be well informed about all treatment alternatives and various reconstructive procedures. An appropriate risk reduction strategy should be selected individually for each patient. Up to now, there exist only recommendations from different institutions but no definitive guidelines.


2014 ◽  
Author(s):  
Jennifer L. Weiner ◽  
Heidi Hendershott ◽  
Danielle Herget ◽  
Meridith Spencer

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