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Table 2 Studies on the use of AR technology in knee arthroplasty

From: Augmented reality-aided unicompartmental knee arthroplasty

Reference

Procedure

Characteristics of the AR technology-assisted system

Required preoperative imaging study

Radiographic outcomes

Pokhrel, et al. [14]

TKA

Superimposing the image of the remaining area of bone to resect onto the actually resected bone surface in the surgical field

Computed tomography scan of the knee

No radiographic data available

Tsukada, et al. [18]

TKA

Superimposing the tibial mechanical axis and rotational axis onto the patient's limb in the surgical field and showing the resecting angles and depth in real time

Nothing

Cutting error of proximal tibia was less than 1° in both coronal and sagittal planes and less than 2° in rotational alignment

Iacono, et al. [6]

TKA

Superimposing the tibial and femoral mechanical axes onto the patient's limb in the surgical field and showing the resecting angles in real time

Nothing

Cutting error of both proximal tibia and distal femur was less than 1° in coronal plane and less than 2° in sagittal plane, respectively

Tsukada, et al. [19]

TKA

Superimposing the femoral mechanical axis and location of the femoral head center onto the patient's limb in the surgical field and showing the resecting angles in real time

Nothing

Cutting error of distal femur using AR technology was significantly smaller than that using conventional intramedullary rod technique

Fucentese, et al. [5]

TKA

Showing the bone resecting angles and the lengths of the medial collateral ligament and lateral collateral ligament in real time

Computed tomography scans of the hip, knee and ankle

No radiographic data available

Current study

UKA

Superimposing the tibial mechanical axis and rotational axis onto the patient's limb in the surgical field and showing the resecting angles and depth in real time

Nothing

Cutting error of proximal tibia was less than 2° in coronal plane and less than 3° in sagittal plane, respectively

  1. AR Augmented reality, TKA Total knee arthroplasty, UKA Unicompartmental knee arthroplasty