The purpose of this study is to conduct a prospective longitudinal cohort observational study to analyze the catheterization success rate, catheter dwell time, as well as the incidence and risk factors of related complications in pediatric patients of different age groups; to explore the suitability and application efficacy of this type of catheter in different disease types and treatment scenarios; to optimize the venous access selection strategy for hospitalized pediatric patients, formulate targeted catheterization and maintenance standards, provide theoretical evidence for clinical practice, and improve patients' medical experience.
Age range
1 Day – 18 Years
Sex
ALL
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The trial coordinator is the person who runs the study day to day. These cover the practical side — logistics, costs, and what taking part would actually mean for your life. The study team confirms whether you meet the criteria; these are questions to ask, not a sign you qualify.
A starting point for the conversation — always confirm anything about your own eligibility, costs, and care with the study team and your doctor.
Safety: Midline catheter-related complications and their severity,including: ① Catheter-related bloodstream infection (CRBSI) ② Venous thrombosis ③ Catheter occlusion ④ Phlebitis ⑤ Extravasation/infiltration
Timeframe: Catheter dwell time (from placement to removal; maximum follow-up: 30 days)