Pseudohyperkalemia in capillary blood samples; haemolysis not the only culprit

Completed

• Conditions: laboratorium diagnostiek, pseudohyperkalemie; Falsely elevated plasma potassium concentration; Pseudohyperkalemia

• Registration Number: NL-OMON36110
• Lead Sponsor: Sint Franciscus Gasthuis

Brief Summary

Not available

Detailed Description

Not available

Study Timeline

• Last Update Posted: 29 April 2024

Recruitment & Eligibility

• Status: Completed
• Sex: Not specified
• Target Recruitment: 20

Inclusion Criteria

Adult patients visiting the out-clinic for bloodsampling on request of the physician.

Exclusion Criteria

Patients with in vivo haemolysis, Patients with liver diseases, Patients with coagulation disorders, Patients receiving anti-coagulation medication, Cardiopulmonary comprised patients, Patients with skin lesions on their hands, Patients with thick callous skin on fingertips, Patients whom are unable to comprehend the informed consent, Patients unwilling to sign informed consent

Study & Design

• Study Type: Observational invasive
• Study Design: Not specified

Primary Outcome Measures

Name	Time	Method
<p>The main study parameter is the comparison of the potassium and the free<br /><br>haemoglobulin (haemolysis index) concentration in corresponding venous- and<br /><br>capillary blood samples from the same patient. </p><br>

Secondary Outcome Measures

Name	Time	Method
<p>Other parameters that will be measured are; lactate dehydrogenase (LDH),<br /><br>Aspartate aminotransferase (ASAT), creatinekinase (CK), phosphate, magnesium<br /><br>and sodium.</p><br>