PubMed · 2208352
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M Lehovský, V Komárek. 1990. [Abdominal epilepsy].. https://pubmed.ncbi.nlm.nih.gov/2208352/
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OBJECTIVES: To examine the association between Helicobacter pylori infection and non-ulcer dyspepsia, and to assess the effect of eradicating H pylori on dyspeptic symptoms in patients with non-ulcer dyspepsia. DESIGN: Systematic review and meta-analysis of (a) observational studies examining the association between Helicobacter pylori infection and non-ulcer dyspepsia (association studies), and (b) therapeutic trials examining the association between eradication of H pylori and dyspeptic symptoms in patients with non-ulcer dyspepsia (eradication trials). DATA SOURCES: Randomised controlled trials and observational studies conducted worldwide and published between January 1983 and March 1999. MAIN OUTCOME MEASURES: Summary odds ratios and summary symptom scores. RESULTS: 23 association studies and 5 eradication trials met the inclusion criteria. In the association studies the summary odds ratio for H pylori infection in patients with non-ulcer dyspepsia was 1.6 (95% confidence interval 1.4 to 1.8). In the eradication trials the summary odds ratio for improvement in dyspeptic symptoms in patients with non-ulcer dyspepsia in whom H pylori was eradicated was 1.9 (1.3 to 2.6). CONCLUSIONS: Some evidence shows an association between H pylori infection and dyspeptic symptoms in patients referred to gastroenterologists. An improvement in dyspeptic symptoms occurred among patients with non-ulcer dyspepsia in whom H pylori was eradicated.
Ultrasound diagnosis is the globally predominant single radiological modality in terms of its utilisation rate. Its relative simplicity in use, and its speed, reliability, low cost, and lack of risk, are all factors associated with its increasingly widespread use. The possibility of monitoring processes in real time opens up new approaches to ultrasound-assisted tumour treatment, biopsy, and blood flow and perfusion studies. The development of an ultrasound-specific contrast medium removed the last obstacle to functional ultrasonography and its use in the evaluation of tumour treatment.