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Table 1 Studies which evaluated the role of modular BCA

From: Current status of bicompartmental arthroplasty

Author

Year

Type

Group 1, (n)

Group 2, (n)

Follow-up

Outcomes

Results

Kamath AF [15]

2014

Retrospective single cohort

BiKA, (29)

/

Minimum two-year

Functional, radiological assessment and implant survivorship

Improvement across all functional scores, mean range of motion

Uluyardimci E [17]

2019

Retrospective cohort

Inlay PFA/UKA, (49)

TKA, (49)

48–60 months

Functional assessment, complication rates, and length of hospital stay

Shorter length of hospital stay, lower complication rates, similar clinical and functional result

Benazzo F [52]

2014

Retrospective cohort

Isolated PFA, (25)

UKA + PFA, (30)

5 years

Functional assessment

Promising results at mid-term follow-up

Schrednitzki D [53]

2020

RCT

BCA, (40)

TKA, (40)

5 years

Functional assessment

No significant differences in clinical scores; significantly greater range of motion in BCA

Romagnoli S [18]

2018

Retrospective cohort

PFA, (64)

UKA + PFA, (41)

5.5 ± 1.6 years

Functional and radiological assessment

Excellent clinical and radiographic outcomes

Rossi SMP [54]

2021

Retrospective single cohort

PFA + mUKA, (45) PFA + lUK, (12)

/

nine years (6 to 13)

Functional and radiological assessment

survival rate

good survival rate

Goh JKM [55]

2020

RCT

Unlinked, modular BCA, (26)

TKA, (22)

10

Functional and radiological assessment

No significant differences

Heyse TJ [37]

2010

Retrospective single cohort

UKA + PFR, (9)

/

11.8 ± 5.4 years

Functional, radiological, and satisfaction assessment

A successful approach to prevent or postpone TKA

Baba R [47]

2023

Retrospective single cohort

Modular unlinked BiKA, (55)

/

5 to 9 years

clinical assessment

High satisfaction and functional improvement were observed, but the patellar overstuffing was a problem

  1. BiKA Biunicompartmental Knee Arthroplasty, PFA Patellofemoral Arthroplasty, UKA Unicompartmental Knee Arthroplasty, TKA Total Knee Arthroplasty, BCA Bicompartmental Arthroplasty, RCT Randomized Controlled Trial, mUKA Medial Unicompartmental Knee Arthroplasty, lUKA Lateral Unicompartmental Knee Arthroplasty, PFR Patellofemoral Replacement