Sökning: "disease surveillance"
Visar resultat 11 - 15 av 220 avhandlingar innehållade orden disease surveillance.
11. Gastroesophageal reflux disease - complications and prognostic aspects
Sammanfattning : This thesis investigates several aspects on gastroesophageal reflux disease (GERD) and associated complications as Barrett’s esophagus and esophageal adenocarcinoma. I. To clarify the natural course of GERD, a pH-metry verified cohort was re-evaluated after 20 years. The course of GERD may well be progressive. LÄS MER
12. On norovirus outbreaks and transmission in hospitals
Sammanfattning : Abstract Noroviruses are now the leading cause of gastroenteritis worldwide. Noroviruses are effectively transmitted due to a low infectious dose, viral shedding in high concentrations, environmental stability, and they induce only a limited immunity after infection. Especially, the norovirus variants of genotype II.4 (GII. LÄS MER
13. Epidemiology and clinical manifestations of Lyme borreliosis
Sammanfattning : Epidemiological and clinical characteristics of Lyme borreliosis (LB) in Sweden are described through a one year surveillance-study. The findings differed only marginally when compared to studies from the United States indicating similar clinical presentation of the disease. Incidence was 69/100. LÄS MER
14. Popliteal Artery Aneurysm : Epidemiology, Surgical Management and Outcome
Sammanfattning : Even if popliteal artery aneurysm (PAA) is the most common peripheral aneurysm, no single surgeon or institution has enough patients to study this disease with appropriate scientific methods, and no population-based investigation exists. PAA epidemiology, treatment, management, and outcome were studied in a population-based study of 571 patients (717 legs) primarily operated on for PAAs and 100 episodes of preoperative thrombolysis in Sweden between 1987 and 2002. LÄS MER
15. Ulcerative Colitis - Surgery Outcome and Pathophysiological Aspects
Sammanfattning : Background: Ulcerative Colitis (UC) is a chronic inflammatory bowel disease; the etiology is mainly unknown. Around 30% of the patients are treated by surgery. The aims of this thesis were to evaluate outcome after specific surgical procedures and to investigate possible pathophysiological aspects. LÄS MER