Blood loss and knee function after unicompartmental knee replacement or total knee replacement surgery

Blood loss and knee function after unicompartmental knee arthroplasty (UKA) without tourniquet

Status

Active, not recruiting

Phases

Unknown

Study type

Observational

Source

ISRCTN

Registry ID

ISRCTN85133278

Enrollment

112

Registered

2020-04-06

Start date

2017-08-01

Completion date

Unknown

Last updated

2020-04-27

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

Conditions

Osteoarthritis Musculoskeletal Diseases

Interventions

In this retrospective study, patients were included from August 2017 to October 2018. Both the UKA group and the TKA group underwent procedure without the utilization of tourniquet during the whole pr

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: 1. Primary UKA or TKA 2. Kellgren-Lawrence (KL) grade of medial knee osteoarthritis grade ?

Exclusion criteria

Exclusion criteria: 1. Preoperative abnormality in coagulation function, hematonosis history 2. Postoperative poor general situation 3. More than 2000ml per day in fluid infusion 4. Simultaneous bilateral UKA or TKA, and UKA or TKA secondary to a failed arthroplasty procedure

Design outcomes

Primary

Measure	Time frame
1. Mean volume of HBL during the procedure (ml) 2. Knee function assessed at 3 months and 12 months after the procedure by HSS score	—

Secondary

Measure	Time frame
Hb level measured using blood test on the 2nd day, 4th day, 6th day, 8th day postoperatively	—

Countries

China

Contacts

Public ContactZhanfeng Zhang

335980557@163.com+86 15905720901

Outcome results

None listed

Source: ISRCTN (via WHO ICTRP) · Data processed: Feb 4, 2026