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Independent International Research

Roller Pump Rotation Direction
in Cardiopulmonary Bypass

An independent international observational study examining roller pump rotation direction standardisation in cardiopulmonary bypass.

Patient safety knows no borders.

Anonymous4–7 minutes Multiple languagesIndependent research

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Review mode — you are reviewing questions where you previously answered "I don't know" or "I have never considered it". Update any answers you wish, then continue.

Completing in: English

Roller Pump Rotation Direction in Cardiopulmonary Bypass
International Perfusion Practice Survey

Anonymous independent research. Your answers are saved automatically as you go. No identifying information collected.

This anonymous survey is part of an independent international research project examining roller pump rotation direction standardisation in cardiopulmonary bypass. Results will be published and shared with the global perfusion community.

Session code —
✉ Email

Save this code — you have 2 weeks to return and amend your answers or complete Part 2.

Section 1 of 4

Part 1 · Section A

About You

Which country do you primarily practise in? *

Please enter your country.

Which professional society are you a member of? *

Select all that apply

Please select at least one option.

How many years have you been practising as a qualified perfusionist? *

Please select one option.

What is your primary clinical setting? *

Please select one option.

What is your professional background? (optional)

How did you enter the perfusion profession?

Part 1 · Section B

Current Practice

In your institution, which direction does the arterial roller pump rotate? *

Viewed from the front of the pump head

That is a perfectly valid answer — if you would like to take a moment to think about it before continuing, there is no rush.

Please select one option.

Is this direction formally documented in a protocol or standard operating procedure? *

That is a perfectly valid answer — if you would like to take a moment to think about it before continuing, there is no rush.

Please select one option.

Is the rotation direction used in your institution: *

That is a perfectly valid answer — if you would like to take a moment to think about it before continuing, there is no rush.

Please select one option.

Does your institution use the same rotation direction for all roller pump heads in the circuit? *

Arterial, cardioplegia, suckers

That is a perfectly valid answer — if you would like to take a moment to think about it before continuing, there is no rush.

Please select one option.

If centrifugal pumps are used in your circuit, do your roller pump heads rotate in the same direction as the centrifugal impeller? *

That is a perfectly valid answer — if you would like to take a moment to think about it before continuing, there is no rush.

Please select one option.

Have you ever worked at an institution with a different rotation convention from your current one? *

Please select one option.

↳ Did this cause confusion, errors, or near-misses?

When you adapt to a different rotation convention at another institution, how do you describe what you are doing? *

Please select one option.

Part 1 · Section B6

Multi-site Practice

Do you currently work across more than one institution? *

e.g. main post plus locum or agency shifts

Please select one option.

↳ Do those institutions use different roller pump rotation directions?

↳ How do you manage this when setting up at a different institution? (Select all that apply)

↳ Have you ever set the pump in the wrong direction, or caught yourself about to do so?

Part 1 · Section C

Opinions

Do you believe roller pump rotation direction is a meaningful patient safety variable? *

That is a perfectly valid answer — if you would like to take a moment to think about it before continuing, there is no rush.

Please select one option.

Would you support the adoption of a single international standard for roller pump rotation direction? *

This is an interesting position — you may find the open questions in Part 2 a useful place to expand on your reasoning.

Please select one option.

Which best reflects your reasoning on pump direction and professional autonomy? *

Please select one option.

What do you think the main barrier to standardisation would be? *

Select up to 2

Please select at least one option.

If a standard were adopted, how should it be enforced? *

Select all that apply

Please select at least one option.

Are you aware of any incident or published case where incorrect pump direction contributed to patient harm? *

Please select one option.

Are you aware of any examples where standardisation of medical device design has been used to prevent clinical errors? (optional)

↳ Please describe the example(s) you are thinking of:

Do you think awareness of standardisation initiatives in other clinical areas should be part of perfusion training? (optional)

✓

Part 1 complete — thank you!

Before you continue — we noticed you selected "I don't know" or "I have never considered it" for one or more questions. There is no right or wrong answer — but if you would like to go back and reflect before submitting, you are welcome to do so. You can also return at any time within 2 weeks using your session code.

Your responses have been saved. You may submit now, or continue to Part 2 — five optional open questions where you can share your views in your own words.

Part 2 takes approximately 3 additional minutes.

Your session code

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Enter this code on the home page within 2 weeks to return to Part 2 or review your answers.

Part 2 · Open Questions

Your Views — Optional

Answer any or all of the following questions. Each answer is saved as you move to the next. You have 2 weeks to return and amend your responses.

Question 1 of 5

Which best describes your position on a universal rotation direction standard?

Question 2 of 5

For multi-site practitioners — how do you personally manage working across institutions with different rotation conventions? What strategies work, and what could be done at a system level?

✓ Saved

Question 3 of 5

Should roller pumps rotate in the same direction as centrifugal pumps when both are used in the same circuit? Please give your reasoning.

✓ Saved

Question 4 of 5

Is there anything else — practical, educational, or safety-related — that you feel is important and not captured above?

✓ Saved

Question 5 of 5

Additional comments — anything else you would like to share?

✓ Saved

🫀

Thank you for your contribution

Your responses have been recorded and will contribute to the first international dataset on roller pump rotation direction in cardiopulmonary bypass.

Results will be published and shared with all participating professional societies worldwide.

Want to complete Part 2 later?

Use your session code to return and access the open questions within 2 weeks.

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rollerpumpstudy.org — Independent International Perfusion Research

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