Percutaneous cholecystostomy is an effective treatment option for acute calculous cholecystitis: a 10-year experience.

Background: Percutaneous cholecystostomy (PC) can be used to treat patients with acute calculous cholecystitis (ACC) who are considered to be unfit for surgery. However, this procedure has been insufficiently investigated. This paper presents the results of a 10-year experience with this treatment modality.

Speckle tracking ultrasound is independent of insonation angle and gain: an in vitro investigation of agreement with sonomicrometry.

Objective: It has been shown that speckle tracking ultrasound (STU) is capable of measuring peak strain accurately in vitro over a range of compression rates and amplitudes. The aim of this study was to investigate the influence of different angles of insonation with a range of scanner settings.

Methods: A tissue-mimicking phantom was cyclically deformed to imitate the beating heart.