Ultrasound guided IV access offers clearer and more precise needle guidance, ultimately improving patient care.

IV Access Made Easier: How Ultrasound Guidance Can Help

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Avery Sinclair in Health & Wellness October 2026 • 5 min read.

"New research validates a rating scale for ultrasound-guided peripheral IV access, paving the way for standardized training and improved patient outcomes."


Starting an IV can be one of the most common, yet surprisingly challenging, procedures in healthcare. Finding a vein, especially in patients with difficult access, can lead to multiple needle sticks, increased patient discomfort, and wasted time. But what if there was a way to improve your success rate and make the process smoother for everyone involved?

Ultrasound guidance is emerging as a game-changer in peripheral intravenous access. By visualizing the veins in real-time, clinicians can target the optimal insertion point, reduce complications, and increase the likelihood of successful catheter placement on the first try. Studies have shown that ultrasound guidance not only improves patient satisfaction but can also decrease the need for central line placements, which carry a higher risk of infection and other complications.

However, the widespread adoption of ultrasound-guided IV access has been hindered by the lack of standardized training and competency assessment. That's where the Peripheral Ultrasound-Guided Vascular Access (P-UGVA) Rating Scale comes in. This newly validated tool provides an evidence-based standard for evaluating proficiency in ultrasound-guided IV access, ensuring that healthcare professionals have the skills and knowledge to perform the procedure safely and effectively.

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Measuring Ultrasound-Guided Access Competence

Research has established validity evidence for the Peripheral Ultrasound-Guided Vascular Access (P-UGVA) Rating Scale and an evidence-based proficiency standard for ultrasound-guided peripheral intravenous access. In the 2018 validation study, a pass/fail score of 29 produced a theoretical false-positive rate of 26.5% and a false-negative rate of 8.5%. The scale is intended to support structured assessment of clinician competence rather than relying only on informal judgments.

Landmarks Compared With Ultrasound

The traditional landmark technique and ultrasound-guided cannulation are being compared in clinical evidence reviews, reflecting the continuing importance of choosing an appropriate access method. Guidelines and evidence summaries describe ultrasound-guided IV access as an approach supported by clinical guidance, safety considerations, and success-related evidence. However, the available source material does not establish a single universal technique or quantify every limitation of landmark-based access.

From Expert Judgment to Validated Training

A key milestone in ultrasound-guided peripheral IV access has been the development and validation of the P-UGVA Rating Scale. The scale provides validity evidence and an evidence-based standard for assessing proficiency in ultrasound-guided vascular access. Implementation materials report that it distinguishes novices, intermediates, and experts, with excellent reliability reported as Cronbach's alpha = 0.91.

The P-UGVA Rating Scale: A New Standard for IV Access Proficiency

Ultrasound guided IV access offers clearer and more precise needle guidance, ultimately improving patient care.

The Peripheral Ultrasound-Guided Vascular Access (P-UGVA) Rating Scale is designed to assess a healthcare professional's competence in performing ultrasound-guided peripheral IV access. Developed through a rigorous Delphi consensus process involving ultrasound experts, the scale evaluates key elements of the procedure, including:

The rating scale uses a 5-point Likert scale to assess performance in each of these areas, with clear descriptions of what constitutes each level of proficiency. This allows for objective and standardized evaluation, providing valuable feedback to trainees and identifying areas for improvement.

  • Preparation of utensils: Ensuring all necessary equipment is readily available and properly prepared.
  • Ergonomics: Maintaining a comfortable and stable working posture for optimal visualization and needle control.
  • Preparation of the ultrasound device: Selecting the appropriate transducer and optimizing image settings for clear visualization of the target vessel.
  • Identification of blood vessels: Accurately distinguishing between arteries and veins, and assessing vessel size and depth.
  • Anatomy: Recognizing relevant anatomical structures and selecting the most suitable puncture site.
  • Hygiene: Adhering to strict hygiene protocols to minimize the risk of infection.
  • Coordination of the needle: Precisely controlling the needle tip and navigating it to the target vessel.
  • Completion of the procedure: Successfully inserting the catheter and ensuring proper placement within the vein.
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An Evolving Evidence Base

Recent work continues to examine how ultrasound guidance affects peripheral IV access, including success, safety, and implementation. The evidence base is still developing across different clinical settings, patient groups, and operator experience levels. Findings should therefore be interpreted in context rather than treated as proof that one approach performs identically in every situation.

Benefits Do Not Eliminate Failed Attempts

Ultrasound guidance is not a guarantee of first-pass success. A 2018 comparison concluded that ultrasound guidance reduces the risk of a failed attempt and improves success, especially in patients who may be difficult to cannulate. Another source estimates that 35% to 50% of peripheral IV cannulation attempts fail, showing why failures and complications remain important concerns even as ultrasound is adopted.

Ultrasound Versus Landmark Access

ClinicalTrials.gov lists a study designed to compare the success rate of ultrasound-guided peripheral intravenous access with traditional landmark access. Practice guidance notes that ultrasound-guided peripheral IV placement requires enhanced insertion skill. The same guidance describes it as more cost-effective than central venous access and as a potential alternative when central access would otherwise be considered.

In a recent study, researchers explored the validity of the P-UGVA rating scale by evaluating the performance of physicians with varying levels of experience (novices, intermediates, and experts) in ultrasound-guided IV access. The results showed that the P-UGVA rating scale effectively discriminated between the different proficiency groups, with experts consistently scoring higher than novices and intermediates. The scale also demonstrated strong correlation with overall performance evaluations, indicating that it accurately reflects a clinician's true skill level.

The Future of IV Access: Standardized Training and Improved Patient Care

The validation of the P-UGVA rating scale represents a significant step forward in the field of vascular access. By providing a standardized and objective measure of competence, the scale can be used to:

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A Practical, Context-Dependent Tool

Taken together, the available evidence supports ultrasound guidance as a useful option for peripheral IV access, particularly when access is difficult. Its value depends on operator skill, appropriate training, and the clinical circumstances in which it is used. The approach should complement, rather than replace, clinical judgment about the safest vascular-access strategy.

Training and Utilization Trends

Future development includes more structured evaluation of operator proficiency, building on the P-UGVA Rating Scale and its study of novice, intermediate, and expert groups. Utilization data from 2021 to 2024 show midline catheter orders decreased by 37.71%, while ultrasound-guided peripheral IV placement increased by 82.71%. These figures describe a notable shift in reported practice patterns, although they do not by themselves establish the reasons for the change.

Training Shapes Access Quality

Peripheral vein catheter placement can be challenging for several reasons. Education and training are therefore central to using ultrasound guidance effectively. The cited 2021 study reports that ultrasound guidance increases the success rate, but implementation still requires systems that develop and assess clinicians' practical skills.

Portable Tools at the Bedside

A study of a portable ultrasound system for peripheral IV access reported high first-attempt insertion success and high vascular visualization. The system evaluated in that study included needle-tracking technology. These features may make ultrasound-guided access more practical in clinical settings, although the source material does not provide the specific success percentage or define how performance varied across users.

Ultimately, the widespread adoption of ultrasound-guided IV access and the implementation of standardized training programs will lead to improved patient outcomes, reduced complications, and increased efficiency in healthcare settings. The P-UGVA rating scale is a valuable tool for achieving these goals.

While the P-UGVA offers a promising standard, further research is needed to explore its long-term impact on clinical practice and patient outcomes. Studies should also investigate the optimal number of assessments needed for reliable competency evaluation and the cost-effectiveness of implementing ultrasound-guided IV access programs.

What the assessment figures capture

  • 0.87The scale scores had a strong positive relationship with assessors’ overall performance ratings: Pearson correlation rho = 0.87.[1]

What the scale results say about skill assessment

The scale separated the novice, intermediate, and expert groups, and its scores tracked assessors’ overall ratings. Together, these results support its use as a structured way to distinguish performance in the studied group, rather than proving that a score predicts success in routine care.[1] [2]

The reported internal consistency indicates that the scale’s elements tended to work together in this sample; it does not by itself establish how well clinicians retain skills or perform in other clinical circumstances.[1] [2]

Where this validation is less informative

  • One unusually high-scoring novice affected the error estimates; excluding that participant changed those estimates, though not the proposed threshold.[1]
  • The study reports a large experience gap among groups, which reduced the risk of misclassifying participants in this sample.[1]
  • Even standardized observations cannot reproduce clinical variation in patient condition or vein depth and diameter, factors that can make placement more difficult.[1]
  • The authors note that the scale’s practical role in physician training and certification remains to be determined.[1]

The validation study at a glance

Study designObservational study[2]
PopulationPhysicians grouped as novices, intermediates, and experts in ultrasound-guided peripheral intravenous access[2]
Sample size15 physicians[2]
SettingEmergency Department at Regional Hospital West Jutland, Herning, Denmark[2]
DurationApril 2015 to December 2015[2]
Main outcomeValidity of the P-UGVA rating scale[2]
RegistrationRegistered with Central Denmark Region Committees on Health Research Ethics; waiver granted (inquiry 105/2014)[2]
Times cited16[2]

Questions the validation leaves open

  • How should the assessment be used in physician training or certification, given that its final role remains undetermined?[1] [2]

Sources

  1. Validation of the Peripheral Ultrasound-guided Vascular Access Rating Scale (Europe PMC, 2018)
  2. Validation of the Peripheral Ultrasound-guided Vascular Access Rating Scale (Ovid Technologies (Wolters Kluwer Health), 2018)

About this Article -

Written with AI assistance from published research, and reviewed by the Mystum team. See our About page for more information.

This article is based on research published under:

DOI-LINK: 10.1097/md.0000000000009576, Alternate LINK

Title: Validation Of The Peripheral Ultrasound-Guided Vascular Access Rating Scale

Subject: General Medicine

Journal: Medicine

Publisher: Ovid Technologies (Wolters Kluwer Health)

Authors: Stine C. Primdahl, Jesper Weile, Louise Clemmesen, Kristian R. Madsen, Yousif Subhi, Poul Petersen, Ole Graumann

Published: 2018-01-01

Everything You Need To Know

1

How does ultrasound guidance improve the success rate of starting an IV?

Ultrasound guidance enhances peripheral intravenous access by allowing clinicians to visualize veins in real-time. This precision leads to more accurate targeting of the optimal insertion point. This process reduces complications, increases first-attempt success rates and decreases the need for central lines, which pose a higher risk of infection. While the text highlights ultrasound guidance, other methods like vein finders or transillumination are also used to locate veins, but ultrasound offers a direct visual.

2

What specific elements of IV access does the Peripheral Ultrasound-Guided Vascular Access (P-UGVA) Rating Scale evaluate?

The Peripheral Ultrasound-Guided Vascular Access (P-UGVA) Rating Scale assesses competence in performing ultrasound-guided peripheral IV access. It evaluates key elements such as preparation of utensils, ergonomics, preparation of the ultrasound device, identification of blood vessels, anatomy, hygiene, coordination of the needle, and completion of the procedure. The P-UGVA Rating Scale uses a 5-point Likert scale to assess the performance in each of these areas.

3

How does the Peripheral Ultrasound-Guided Vascular Access (P-UGVA) Rating Scale standardize the evaluation of IV access skills?

The Peripheral Ultrasound-Guided Vascular Access (P-UGVA) Rating Scale uses a 5-point Likert scale to evaluate proficiency in key areas of ultrasound-guided IV access. This allows for an objective and standardized assessment of a healthcare professional's skills, providing valuable feedback for trainees and highlighting areas needing improvement. The scale looks at aspects like preparation, ergonomics, vessel identification, and needle coordination to ensure competency.

4

What are the broader implications of validating the Peripheral Ultrasound-Guided Vascular Access (P-UGVA) Rating Scale for patient care and healthcare training?

The validation of the Peripheral Ultrasound-Guided Vascular Access (P-UGVA) Rating Scale signifies a move towards standardized training and assessment in vascular access. It offers an objective measure of competence, facilitating the development of targeted training programs, reducing variability in practice, and ultimately improving patient care by ensuring healthcare professionals are adequately skilled in ultrasound-guided IV access. This could lead to reduced complications and improved success rates.

5

In what way does the Peripheral Ultrasound-Guided Vascular Access (P-UGVA) Rating Scale contribute to the standardization of training for ultrasound-guided IV access?

The Peripheral Ultrasound-Guided Vascular Access (P-UGVA) Rating Scale helps standardize training in ultrasound-guided IV access by providing a structured framework for evaluating proficiency. By assessing key elements of the procedure, the scale allows trainers to identify specific areas where healthcare professionals need additional support and guidance. Standardized training ensures consistent skill levels and reduces the risk of complications associated with poorly performed IV placements. However, the effectiveness of training also depends on the availability of resources, experienced instructors, and ongoing support.

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