Simple change in blood draw technique could slash lab errors in ERs

NCT ID NCT07617103

Not yet recruiting Knowledge-focused Sponsor: Marmara University Pendik Training and Research Hospital Source: ClinicalTrials.gov ↗

First seen Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This study tests whether releasing a blood pressure cuff (used as a tourniquet) early during blood collection reduces the rate of hemolysis — when red blood cells burst and ruin the sample. About 792 emergency department patients with non-critical conditions will be randomly assigned to early or late tourniquet release. The goal is to see if a simple timing change can lower the need for repeat blood draws and speed up care.

What this could mean

Our plain-language read of the trial. This is informational only — not medical advice or a prediction.

What this could lead to: If early tourniquet release reduces hemolysis, it could lead to fewer repeat blood draws and faster diagnoses in emergency rooms.
What could go wrong: This is a single-center study testing a procedural change, not a new drug or treatment. The benefit may be small or not apply to other hospitals.

This is an AI summary of the original study and may miss details. Read our disclaimer.

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Conditions

The condition(s) this trial relates to.

Emergencies Hemolysis Varicose Ulcer venous insufficiency

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

BLOOD SPECIMEN COLLECTION HEMOLYSIS PHLEBOTOMY VENOUS STASIS

Contacts and locations

Locations

Marmara University Pendik Training and Research Hospital

Pendik, Istanbul, 34899, Turkey (Türkiye)

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