[Acceptability and quality of abdominal ultrasound studies requested by medical professionals].

Objective: To evaluate the acceptability/quality of abdominal ultrasound studies requested by primary care physicians in Barcelona; to develop ultrasound guidelines and assess their impact on acceptability.

Design: 2-phase study, one retrospective, descriptive phase evaluating the acceptability/quality of requests (pre-intervention phase) and another to assess the impact of guidelines on acceptability/quality (post-intervention phase).

Subjects: Requests for ultrasound studies from January-June 2010 from 10 primary care centers and the same number of requests from the same centers after the intervention.

[Non-invasive markers of fibrosis in the diagnosis of non-alcoholic fatty liver disease].

Objective: To analyze the utility of three indices to predict hepatic fibrosis in the detection of non-alcoholic fatty liver disease (NAFLD) as a non-invasive method in primary care.

Design: We performed a descriptive, cross-sectional, multicenter study with a populational base from 25 primary care centers in the province of Barcelona.

Participants: Healthy individuals aged 17 to 83 years randomly selected from the Primary Care Computer System.