What type of study is this?

This is a Human Clinical Trial study (also classified as: Observational).

Long-Term Patency of Plastic Stents in Elderly Patients with Common Bile Duct Stones: A Prospective Pilot Study

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Prospective pilot study assesses stent patency in elderly patients with CBD stones, suggesting effective monitoring is crucial.

Stent patency remained acceptable in elderly patients, with 80% maintaining function at 12 months.
Early monitoring is crucial, with 20% experiencing stent dysfunction within the first three months.
The prospective design involved patients aged 70+ who underwent ERCP for CBD stones, with regular follow-up.
Larger studies are warranted to confirm these promising findings regarding stent longevity.

Jeong et al. (2025) studied this question.

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