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Preoperative ultrasound can accurately predict the diameter of double-stranded peroneus longus tendon autografts
ConclusionThe diameter of 2PLT and length of PLT autografts can be accurately predicted by preoperative US and calf length measurements, respectively. Accurate preoperative prediction of the diameter and length of autologous grafts can provide the most suitable and individualized graft for patients.Level of evidenceIV. (Source: Knee Surgery, Sports Traumatology, Arthroscopy)
Source: Knee Surgery, Sports Traumatology, Arthroscopy - April 4, 2023 Category: Orthopaedics Source Type: research

Good stability and mid-term subjective outcomes after repeated anterior cruciate ligament (ACL) revision surgery using allografts
ConclusionGood mid-term clinical results can be obtained after repeated ACL revision with allograft in patients who experienced multiple failures; however, those who need additional procedure due to malalignment or post-meniscectomy syndrome reported lower objective and subjective results.Level of evidenceIII. (Source: Knee Surgery, Sports Traumatology, Arthroscopy)
Source: Knee Surgery, Sports Traumatology, Arthroscopy - April 4, 2023 Category: Orthopaedics Source Type: research

Total knee arthroplasty without patella resurfacing leads to worse results in patients with patellafemoral osteoarthritis Iwano Stages 3 –4: a study based on arthroplasty registry data
ConclusionsFrom the study findings, it is concluded that patients with preoperative severe patellofemoral osteoarthritis have significantly higher risks for reoperation than do those with preoperative mild patellofemoral osteoarthritis —when treated with TKA without patella resurfacing. Hence, it is recommended that patella resurfacing be applied in patients with severe Iwano Stage 3 or 4 patellofemoral osteoarthritis during TKA.Level of evidenceIII, Retrospective comparative. (Source: Knee Surgery, Sports Traumatology, Arthroscopy)
Source: Knee Surgery, Sports Traumatology, Arthroscopy - April 4, 2023 Category: Orthopaedics Source Type: research

Favourable clinical, arthroscopic and radiographic outcomes after autologous osteoperiosteal transplantation for massive medial cystic osteochondral defects of the talus
ConclusionAutologous osteoperiosteal transplantation provided favourable clinical, arthroscopic and radiographic outcomes in patients with massive cystic osteochondral defects of the talus during a minimum 3-year follow-up.Level of evidenceIV. (Source: Knee Surgery, Sports Traumatology, Arthroscopy)
Source: Knee Surgery, Sports Traumatology, Arthroscopy - April 3, 2023 Category: Orthopaedics Source Type: research

Patellofemoral arthroplasty with onlay prosthesis leads to higher rates of osteoarthritis progression than inlay design implants: a systematic review
ConclusionThere is no difference in functional or clinical outcomes after PFA between the new inlay and the onlay designs, with both presenting an improvement in most of the scores that were used. A higher rate of OA progression was observed in the onlay design group.Level of evidenceIII. (Source: Knee Surgery, Sports Traumatology, Arthroscopy)
Source: Knee Surgery, Sports Traumatology, Arthroscopy - April 2, 2023 Category: Orthopaedics Source Type: research

Anatomical restoration of the anterior femoral compartment when performing KATKA: the end of the flush anterior femoral cut dogma!
(Source: Knee Surgery, Sports Traumatology, Arthroscopy)
Source: Knee Surgery, Sports Traumatology, Arthroscopy - April 1, 2023 Category: Orthopaedics Source Type: research

Fusion rate of 89% after knee arthrodesis using an intramedullary nail: a mono-centric retrospective review of 48 cases
ConclusionAlthough burdened by a big complication rate, knee arthrodesis with an intramedullary nail provides satisfactory results and is a good alternative to above-knee-amputation. The Wichita® fusion nail shows a tendency to better results compared to the two other nails.Level of evidenceCase series, level IV (Source: Knee Surgery, Sports Traumatology, Arthroscopy)
Source: Knee Surgery, Sports Traumatology, Arthroscopy - March 29, 2023 Category: Orthopaedics Source Type: research

Hinge fractures reaching the tibial plateau can be caused by forcible opening of insufficient posterior osteotomy during open-wedge high tibial osteotomy
ConclusionForced opening of insufficient posterior osteotomy was found to be a biomechanical cause of Type III LHF that extended perpendicularly to the lateral tibial plateau, avoiding the proximal tibiofibular joint. The clinical significance of this study is that sufficient posterior osteotomy during OWHTO, defined as at least 70% of the width of the osteotomy plane, can prevent Type III LHF. (Source: Knee Surgery, Sports Traumatology, Arthroscopy)
Source: Knee Surgery, Sports Traumatology, Arthroscopy - March 29, 2023 Category: Orthopaedics Source Type: research

Dynamic gap analysis of valgus knees shows large inter-individual variability of gaps
ConclusionValgus knees show large variability in terms of gap widths. The extent of deformity correlates highly with gap difference in extension, but not in other flexion angles. Vast majority of valgus knees were valgus in extension only. Because of this variability, it should be aimed for an individualized balancing technique based on intraoperative gap sizes.Level of EvidenceLevel III. (Source: Knee Surgery, Sports Traumatology, Arthroscopy)
Source: Knee Surgery, Sports Traumatology, Arthroscopy - March 29, 2023 Category: Orthopaedics Source Type: research

Functional alignment achieves a more balanced total knee arthroplasty than either mechanical alignment or kinematic alignment prior to soft tissue releases
ConclusionFunctional alignment more consistently achieves a balanced total knee arthroplasty than either mechanical alignment or kinematic alignment prior to undertaking soft tissue release. Utilising an individualised KA plan allows FA to best achieve the stated goals of maintaining joint line plane and obliquity.Level of evidenceLevel III: retrospective cohort study. (Source: Knee Surgery, Sports Traumatology, Arthroscopy)
Source: Knee Surgery, Sports Traumatology, Arthroscopy - March 29, 2023 Category: Orthopaedics Source Type: research

Variability of functional knee phenotype for coronal alignment in advanced varus knee osteoarthritis in the Japanese population
ConclusionThere were many functional knee phenotypes with sex differences for advanced varus knee OA in Japanese, showing ethnical differences of larger varus angles compared to those for Caucasians in the previous report.Level of evidenceIV. (Source: Knee Surgery, Sports Traumatology, Arthroscopy)
Source: Knee Surgery, Sports Traumatology, Arthroscopy - March 29, 2023 Category: Orthopaedics Source Type: research

Systematic alignments yield balanced knees without additional releases in only 11% of knee arthroplasties: a prospective study
ConclusionSystematic alignment simulations achieved knee balance in only 11% of cases. Patient-specific implantation, favouring knee balancing over alignment, allowed an 89% perfect score rate without having to perform any collateral release.Level of evidenceCase series. Level 4. (Source: Knee Surgery, Sports Traumatology, Arthroscopy)
Source: Knee Surgery, Sports Traumatology, Arthroscopy - March 29, 2023 Category: Orthopaedics Source Type: research

A radiological index that influences the outcome following patellofemoral joint arthroplasty: the anterior trochlea offset ratio
ConclusionsLower ATOR on radiological review was strongly associated with improved outcomes following PFA. The surgeon should therefore take particular care to prevent increasing the anterior offset of the trochlea component when performing PFA.Level of evidenceRetrospective cohort study, Level III. (Source: Knee Surgery, Sports Traumatology, Arthroscopy)
Source: Knee Surgery, Sports Traumatology, Arthroscopy - March 29, 2023 Category: Orthopaedics Source Type: research

Postoperative full leg radiographs exhibit less residual coronal varus deformity compared to intraoperative measurements in robotic arm-assisted total knee arthroplasty with the MAKO ™ system
ConclusionThe clinical importance of this study lies in the finding that there is a difference between residual varus deformity measured intraoperatively with the MAKO ™ system and those measured in postoperative FLRs. This has implications for preoperative planning as well as intraoperative fine-tuning of the implant position during raTKA to avoid overcorrection of knees with slight-to-moderate varus osteoarthritis.Level of evidenceLevel IV. (Source: Knee Surgery, Sports Traumatology, Arthroscopy)
Source: Knee Surgery, Sports Traumatology, Arthroscopy - March 25, 2023 Category: Orthopaedics Source Type: research

No difference in patient reported outcomes, laxity, and failure rate after revision ACL reconstruction with quadriceps tendon compared to hamstring tendon graft: a systematic review and meta-analysis
ConclusionThe QT autograft was associated with an improved trend of rotatory laxity, PROMs and failure rate compared to HT autograft after revision ACL reconstruction. The QT autograft for revision ACL reconstruction is supported by the current literature. It is a viable graft that should be considered for both primary and revision ACL reconstruction.Level of evidenceLevel IV. (Source: Knee Surgery, Sports Traumatology, Arthroscopy)
Source: Knee Surgery, Sports Traumatology, Arthroscopy - March 24, 2023 Category: Orthopaedics Source Type: research