Complete excision of the infrapatellar fat pad is associated with patellar tendon shortening after primary total knee arthroplasty

Gwyn, Rhodri; Kotwal, Rahul; Holt, M.D.; Davies, Andrew

doi:10.1007/s00590-016-1775-x

Cited by 27 publications

(20 citation statements)

References 24 publications

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“…Studies favouring preservation of the IPFP during TKA cite an increased risk of scarring and therefore shortening of the patellar tendon caused by disruptions of the anastomotic links that exist in the IPFP [8]. The resulting shortening of the patellar tendon is then thought to contribute to increased stiffness of the knee, patella baja and altered kinematics [8][9][10].…”

Section: Introductionmentioning

confidence: 99%

Preservation vs. resection of the infrapatellar fat pad during total knee arthroplasty Part I: A survey of current practice in the UK

et al. 2019

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Section: Introductionmentioning

confidence: 99%

Preservation vs. resection of the infrapatellar fat pad during total knee arthroplasty Part I: A survey of current practice in the UK

et al. 2019

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“…However, both patellar tendon shortening and joint line elevation can result in patella baja (PB) [ 2 , 3 ]. PB may cause anterior knee pain [ 3 – 6 ], limited range of motion (ROM) [ 3 , 7 ], joint stiffness [ 8 , 9 ], and prosthetic impact and abrasion [ 9 , 10 ]. PB is divided into true PB (TPB) and pseudo-PB (PPB).…”

Section: Introductionmentioning

confidence: 99%

Application of different patella height indices in patients undergoing total knee arthroplasty

Lü

et al. 2017

J Orthop Surg Res

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BackgroundOne complication of total knee arthroplasty (TKA) is patella baja (PB). Patellar tendon shortening and joint line elevation are two main causes of PB. The purpose of this study was to determine the incidence of PB before and after TKA by measuring the patellar height and provide evidence for choosing a suitable index.MethodsIn total, 256 consecutive patients who underwent primary TKA were included in this study. Radiographic measurements were performed; the Insall–Salvati (IS) index, modified IS (MIS) index, Blackburne–Peel (BP) index, and Caton–Deschamps (CD) index were computed; and the incidence of PB was calculated before and after the operation. The consistency between the IS and MIS indices and between the BP and CD indices was analyzed.ResultsThe preoperative incidence of true PB (TPB) and pseudo-PB (PPB) was 9.4 and 0.8%, respectively. The postoperative incidence of TPB and PPB was 10.2 and 9.0%, respectively. The consistency between the IS and MIS indices was moderate preoperatively (pre-kappa = 0.602) and postoperatively (post-kappa = 0.742). The consistency between the BP and CD indices was moderate preoperatively (pre-kappa = 0.742) and good postoperatively (post-kappa = 0.797).ConclusionThe incidence of PB, especially PPB, increased after TKA. The CD and BP indices are of greater importance for the diagnosis of PB after TKA. The MIS index is a better choice than the IS index to measure the length of the patellar tendon. To measure the height of the joint line, the BP index is better postoperatively and the CD index is better preoperatively.

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“…Patellar tendon shortening could be one of the reasons for post-TKA anterior knee pain as findings from Gwyn et al ’s retrospective study7 reported that complete IPFP resection was associated with patellar tendon shortening 1 year after TKA. The authors had noted that studies also reporting IPFP excision during TKA did not alter the patellar tendon length 8 9.…”

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confidence: 98%

Response to: ‘Infrapatellar fat pad resection during total knee replacement: yet another reason?’ by Ryan

et al. 2018

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Complete excision of the infrapatellar fat pad is associated with patellar tendon shortening after primary total knee arthroplasty

Abstract: II.

Cited by 27 publications

References 24 publications

Preservation vs. resection of the infrapatellar fat pad during total knee arthroplasty Part I: A survey of current practice in the UK

Preservation vs. resection of the infrapatellar fat pad during total knee arthroplasty Part I: A survey of current practice in the UK

Application of different patella height indices in patients undergoing total knee arthroplasty

Response to: ‘Infrapatellar fat pad resection during total knee replacement: yet another reason?’ by Ryan

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