The key finding
A multidisciplinary expert group has released updated 2025 guidelines addressing a persistent problem: vascular access devices—the IV lines, catheters, and other tubes used to deliver medications and fluids—continue to cause frequent adverse events and patient harm despite technological advances. The guidelines establish 15 consensus recommendations across six major themes, emphasizing a holistic approach to vascular access that prioritizes long-term vessel health. These recommendations were developed through a rigorous two-round Delphi process involving experts from multiple medical societies, representing the most current evidence-based approach to a procedure performed millions of times annually in hospitals worldwide.
What the study looked like
This wasn’t a traditional research study but rather a consensus guideline development process. An expert working party comprising specialists from anaesthesia, critical care, and related disciplines convened to update previous vascular access guidelines. The team conducted a comprehensive literature review examining current best practices and evidence surrounding vascular access device selection, insertion, and maintenance. Following this review, they employed a Delphi methodology—a structured communication technique where experts answer questionnaires in multiple rounds to build consensus. Over two rounds, the panel voted on specific recommendations until reaching agreement on 15 key points. This approach ensures the guidelines reflect both research evidence and practical clinical wisdom from frontline practitioners who regularly perform these procedures.
Why researchers think this happened
The guidelines emerged from recognition that vascular access remains problematic despite improvements in devices and techniques. The expert panel identified that adverse events persist due to gaps in standardized approaches across different clinical settings and practitioners. Their recommendations address systemic issues: the need for specialized vascular access teams, consistent use of safety technologies like ultrasound guidance, attention to catheter-to-vein size ratios that prevent vessel damage, and proper management of patients on anticoagulation therapy. The panel emphasized that previous guidelines focused too narrowly on insertion technique while neglecting the broader picture of lifetime vein preservation—the recognition that patients may need vascular access repeatedly throughout their lives, making vessel protection crucial. Special populations, including those requiring dialysis or who’ve had breast surgery with lymph node removal, face unique challenges that standard approaches don’t adequately address.
How to read this carefully
These are expert consensus guidelines, not findings from a controlled trial. While developed through systematic literature review and expert agreement, the recommendations represent best practices based on available evidence rather than proven interventions from randomized studies. The Delphi process ensures expert agreement but doesn’t guarantee that following these guidelines will eliminate all complications—vascular access carries inherent risks even with optimal technique. The guidelines also don’t specify which recommendations have the strongest research backing versus which reflect expert opinion where evidence is limited. Implementation will vary across hospitals depending on resources, staff training, and patient populations. Additionally, as a 2025 publication, real-world outcomes from widespread adoption of these specific recommendations haven’t yet been measured.
What this means for everyday life
If you or a loved one requires hospitalization, surgery, or intensive care, you’ll almost certainly need vascular access. These guidelines suggest that how medical teams approach this common procedure matters significantly for your safety and long-term health. When possible, it may be worth asking whether your hospital has a dedicated vascular access team and whether ultrasound will be used for placement—both practices highlighted in the recommendations. For patients with chronic conditions requiring repeated vascular access, the emphasis on lifetime vein preservation is particularly relevant; scarred or damaged veins from previous IVs can make future medical care more difficult. If you’ve had breast surgery with lymph node removal or require dialysis, these guidelines specifically address your unique needs, suggesting your care team should follow specialized protocols. While you shouldn’t refuse necessary vascular access, awareness that evidence-based guidelines exist may help you advocate for careful, thoughtful placement and monitoring of these devices.