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Mini-Midline Catheters Versus Peripheral Intravenous Catheters in Children With Digestive System Diseases: A
Liu Jin1, Bi Cuimin1, Zhang Yanyan1
1Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, China.
Sage Open Pediatrics
|March 9, 2026
Summary
Mini-midline catheters (Mini-MCs) offer longer dwell times and fewer complications than peripheral intravenous catheters (PIVCs) in children with digestive diseases. This suggests Mini-MCs are a suitable alternative for short-term IV therapy.
Area of Science:
- Pediatric Gastroenterology
- Vascular Access Devices
- Medical Devices
Background:
- Hospitalized children with digestive system diseases often require intravenous (IV) therapy.
- Choosing the appropriate vascular access device is crucial for effective treatment and patient comfort.
- Mini-midline catheters (Mini-MCs) and peripheral intravenous catheters (PIVCs) are common options, each with distinct characteristics.
Purpose of the Study:
- To compare the efficacy and safety of mini-midline catheters (Mini-MCs) versus peripheral intravenous catheters (PIVCs) in pediatric patients hospitalized for digestive system diseases.
- To evaluate differences in dwell time, complication rates, and unplanned removal between Mini-MCs and PIVCs.
Main Methods:
- A comparative study involving hospitalized children with digestive system diseases.
- Participants were assigned either an 8-cm Mini-MC or a 24-gauge PIVC based on patient or guardian preference.
- Catheter outcomes, including dwell time, complications, and reasons for removal, were systematically monitored.
Main Results:
- The study included 64 children in the Mini-MC group and 61 in the PIVC group.
- Mini-MCs demonstrated a significantly longer median dwell time (94 hours) compared to PIVCs.
- The PIVC group experienced higher overall complication rates and a greater number of unplanned removals.
Conclusions:
- Mini-midline catheters (Mini-MCs) are associated with superior outcomes, including extended dwell time and reduced complications, when compared to peripheral intravenous catheters (PIVCs) in pediatric patients with digestive diseases.
- Mini-MCs represent a potentially advantageous option for short-term intravenous therapy in this specific patient population.
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