Comparison of perioperative blood loss in simultaneous bilateral TKA with open-box and closed-box knee prosthesis

Status

Active, not recruiting

Phases

Phase 1Phase 2

Study type

Observational

Source

TCTR

Registry ID

TCTR20180220001

Enrollment

Unknown

Registered

2018-02-20

Start date

2015-01-01

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

comparison of blood loss and transfusion rate between bilateral TKA that was implanted with closed and open&#45

Interventions

Bilateral TKA which was implanted with closed&#45

box knee prosthesis,Bilateral TKA which was implanted with closed&#45

box knee prosthesis

Treatment,Treatment

Closed&#45

box group,Open&#45

box group

Eligibility

Sex/Gender

All

Age

20 Years to 90 Years

Inclusion criteria

Inclusion criteria: patients underwent simultaneous bilateral TKA with preoperative hemoglobin > 9 g/dL.

Exclusion criteria

Exclusion criteria: incomplete of retrived data

Design outcomes

Primary

Measure	Time frame
calculated perioperative blood loss (PBL) 72 hours calcuation with formula,Blood transfusion rate 24, 48, 72, 96 hours after surgery odd ratio	—

Secondary

Measure	Time frame
factor associate with PBL and blood transfusion rate 72 hour multivariate regression model	—

Contacts

Public ContactArtit Laoruengthana

Naresuan University

artitlao@gmail.com085-1102799

Outcome results

None listed

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

Comparison of perioperative blood loss in simultaneous bilateral TKA with open&#45;box and closed&#45;box knee prosthesis