Blood Sampling Techniques from Hemodialysis Catheter for Coagulation Testing in Hemodialysis Patients of Nopparat Rajathanee Hospital

Optimal volume for the draw-and-return methods to enhance activated partial thromboplastin time ratio accuracy in hemodialysis patients with central venous catheters

Status

Recruiting

Phases

Phase 2

Study type

Interventional

Source

TCTR

Registry ID

TCTR20201126001

Enrollment

250

Registered

2020-11-26

Start date

2020-10-01

Completion date

Unknown

Last updated

2026-08-03

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Laboratory error hemodialysis catheter blood sampling Partial thromboplastin time hemodialysis catheter blood specimen

Interventions

take blood sample from peripheral vein (control group) ,take blood sample from hemodialysis catheter after drawing 10 ml of blood,take blood sample from hemodialysis catheter after drawing 20 ml of bl

Experimental Procedure/Surgery,Experimental Procedure/Surgery,Experimental Procedure/Surgery,Experimental Procedure/Surgery

peripheral blood,10 ml blood,20 ml blood,25 ml blood

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Hemodialysis patients with hemodialysis catheter requiring coagulogram testing

Exclusion criteria

Exclusion criteria: Hemodialysis patients whose peripheral blood are not available

Design outcomes

Primary

Measure	Time frame
Partial thromboplastic time (sec) crossectional tme point Laboratory machine	—

Secondary

Measure	Time frame
None None None	—

Countries

Thailand

Contacts

Public ContactChitrada Thongdee

Nopparat Rajathanee Hospital

td.chitrada@gmail.com00863939897

Outcome results

None listed

Source: TCTR (via WHO ICTRP) · Data processed: Aug 9, 2026