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.
Study Type
OBSERVATIONAL
Enrollment
428
No intervention. This is a cohort study investigating the applicability and safety of mini midline catheters in pediatric populations. All enrolled children receive standard clinical care for mini midline catheters (including placement, daily maintenance, and removal as indicated) consistent with pediatric vascular access guidelines. The study aims to observe the natural clinical performance of the catheters without any intervention beyond routine clinical management.
Children's Hospital of Fudan University
Shanghai, China
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
Time frame: Catheter dwell time (from placement to removal; maximum follow-up: 30 days)
Feasibility: First-attempt puncture success rate (%) ;
Time frame: Blood return was achieved smoothly upon completion of the first puncture, within one minute of catheter placement.
Catheterization duration（minutes）
Time frame: From initial skin puncture to catheter fixation, assessed intraprocedurally
Catheter dwell time（days)
Time frame: From successful catheter placement to removal, maximum follow-up of 30 days
Unplanned extubation rate(%)
Time frame: Within 30 days post-insertion
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