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Clinical Significance of Mucosal Inflammation of the Vermiform Appendix
KTH, Superseded Departments, Infrastructure.ORCID iD: 0000-0001-7606-8771
1983 (English)In: Annals of Surgery, ISSN 0003-4932, E-ISSN 1528-1140, Vol. 197, no 3, 368-374 p.Article in journal (Refereed) Published
Abstract [en]

In 942 emergency appendectomies, the clinical data of 77 patients with inflammatory changes confined to the mucosa of the vermiform appendix were compared with data from 622 patients with diffuse acute appendicitis and 243 patients without evidence of inflammation in the appendix. In all cases, routine histologic sections of the specimens were reviewed. Of the 77 patients with mucosal appendiceal inflammation, 50 were female and 50% were under 17 years of age. In several clinical aspects, such as incidence of nausea, vomiting, migration of pain, and localized muscular rigidity, there existed significant differences between patients with mucosal inflammation and patients with diffuse appendicitis. Conversely, no statistically significant differences were found between patients with mucosal inflammation and patients without evident appendiceal inflammation. These results in addition to the frequent finding of histologically indistinguishable changes in appendices removed incidentally suggest that the condition is not responsible for the actual complaint.

Place, publisher, year, edition, pages
1983. Vol. 197, no 3, 368-374 p.
National Category
Medical and Health Sciences
URN: urn:nbn:se:kth:diva-9062PubMedID: PMC1352743OAI: diva2:14613
QC 20100616Available from: 2006-02-07 Created: 2006-02-07 Last updated: 2016-04-21Bibliographically approved
In thesis
1. Risk analysis: a tool in decision-making
Open this publication in new window or tab >>Risk analysis: a tool in decision-making
2005 (English)Licentiate thesis, comprehensive summary (Other scientific)
Abstract [en]

In our daily life we are surrounded by different kind of risks and we constantly strive for better methods to quantify and in the prolongation manage these risks. Every activity involves some risks and there are some kinds of risks and some level of risks that we are unwilling to accept. We all like to live a life that is free from risks, but that is impossible.

The word risk has a lot of different interpretations. In this thesis we shall let risk stand for the combination of random or uncertain events with negative consequences for human health, life and welfare and for the environment together with some measures of the likelihood of such events. We believe this is the prevailing concept or understanding of risk; as the probability of an event followed by some negative consequences or activities of that event.

In risk analysis one tries to recognize the nature of various risks and to assess the magnitude of the risks. In the risk analysis it is very important to know what system to consider and this is not self evident in many cases. The situation is clearly different for planning and/or building a system compared with running the same system in a real time state. The system that is going to be the subject to the risk analysis must be clearly defined and the limitations and the boundaries of the system must be set. It is very important to ensure that all persons involved in a risk analysis have a common understanding of the system being considered, including relevant operations.

During the past decades many studies have been carried out on risk related topics and the society has showed a significant interest in the field of risk analysis. Risk analysis is the interdisciplinary field of science that combines results and knowledge of probability theory, mathematical statistics, engineering, medicine, philosophy, psychology, economics and other applied disciplines.

In this thesis we will give some examples of different risk analyses carried out basically within two areas. The first part of the thesis (paper 1- paper V) describes different risk analyses carried out in the area of transportation. This is an area with large differences between the different modes of transportation in respect to, for example number of users, number of accidents, magnitude of the accidents and accessible data. The latter part of the thesis (paper VI and paper VII) describes two risk analyses carried out in the field of medicine. Medicine is a science, which has used methods from the area of risk analysis for a long time. The different papers will be used to discuss risk analysis as a tool in decision-making.

Place, publisher, year, edition, pages
Stockholm: KTH, 2005. 29 p.
TRITA-INFRA, ISSN 1651-0216 ; 05:22
National Category
Other Civil Engineering
urn:nbn:se:kth:diva-612 (URN)91-7323-128-2 (ISBN)
2005-09-29, Sal V2, Teknikringen 72, Stockholm, 10:15

QC 20100616

Available from: 2006-02-07 Created: 2006-02-07 Last updated: 2016-04-21Bibliographically approved

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