Bilateral multipartite patellae avulsions associated with a unilateral quadriceps tendon rupture

2021 ◽  
Vol 14 (12) ◽  
pp. e246902
Author(s):  
Rebecca Miles ◽  
Christian Cruz ◽  
Brian J Mannino

Multipartite (or bipartite) patella is a developmental anomaly that occurs in 2%–6% of individuals. In 50%, the variant is bilateral. Multipartite patella is usually an asymptomatic condition. Quadriceps tendon rupture is also a rare entity occurring mostly in men aged >40 years and usually results from an acute eccentric quadriceps contracture. The authors present a case of a patient with bilateral multipartite patellae that sustained bilateral multipartite avulsions as well as an associated unilateral quadriceps tendon rupture. This constellation of injuries has never been reported in the literature. The patient was treated with excision of the multipartite patella fragments and quadriceps tendon repair on the side with the extensor mechanism disruption. He was treated non-operatively for the contralateral lower extremity multipartite patella avulsion. This report, along with a thorough review of the literature, serves to demonstrate the clinical and radiographic characteristics of this unusual injury.

2021 ◽  
Vol 14 (1) ◽  
pp. e236773
Author(s):  
Kiran Kumar Naikoti ◽  
Raghuram Thonse

Very few case reports have been reported on traumatic separation of the bipartite patella along with quadriceps tendon rupture. These reports relate to separation of superolateral bipartite patella (Saupe type 3). We describe a new variant which to our knowledge has not been described or classified so far, which is purely a superior bipartite patella with traumatic separation and complete functional disruption of the extensor mechanism of the knee in a young patient working in the army which was managed with open reduction and internal fixation along with repair of the extensor mechanism of the knee achieving complete functional recovery.


2021 ◽  
Vol 4 (6) ◽  
pp. 13-16
Author(s):  
João Brito Barroso ◽  
João Pedro Campos ◽  
Andreia Moreira ◽  
João Quelhas ◽  
José Machado ◽  
...  

Author(s):  
K. N. Subramanian ◽  
Ganesan G. Ram ◽  
Muthukumar S. ◽  
Mathiyazhagan Babu

<p>Quadriceps tendon rupture is the rarest injury with an incidence of 1.37/1,00,000/year. A patellar fracture is the most common injury associated with extensor mechanism lag, but it is rarely found to have quadriceps rupture rather than patellar tendon rupture. Normally when patella fracture occurs the force is disseminated at the bone level rather than at the muscular level. In this case, the force has disseminated at both muscle and bone leading to fracture of patella and quadriceps tendon rupture. Here we report a case of patellar fracture along with quadriceps tendon rupture.<strong></strong></p>


2021 ◽  
Vol 2 ◽  
pp. 124-127
Author(s):  
Michael Iosifidis ◽  
Christos Lyrtzis ◽  
Angelo V. Vasiliadis ◽  
Dimitrios Metaxiotis

Many repair techniques have been used for quadriceps tendon rupture. Transosseous sutures are the golden standard since they can offer the safest and most stable tendon reattachment. Drilling in parallel to the patella’s longitudinal axis while avoiding the articular surface can be particularly challenging. In addition, drilling the patella has been shown to increase the possibility of an intraoperative fracture, especially if large diameter drills are being used. The present technical note demonstrates a simple, safe, cost-effective, and reproducible technique for quadriceps tendon repair. This technique is based on the use of a cruciate ligament reconstruction tibial tip aimer and guide wires with eyelet. After the accurate patella, entry and exit points for transosseous suturing are defined, the eyelet guide wires enable the passing of the sutures through the patella. Finally, the free ends of each suture are pulled and secured distally. This technique allows efficient and proper tendon fixation while minimizing potential complications.


2021 ◽  
Vol 6 (3) ◽  
pp. 181-188
Author(s):  
Jimmy Ng ◽  
Pau Balcells-Nolla ◽  
Peter J. James ◽  
Benjamin V. Bloch

Extensor mechanism failure in total knee arthroplasty (TKA) can present as quadriceps tendon rupture, patella fracture or patella tendon rupture. Component malrotation, excessive joint line elevation and previous lateral release are some of the risk factors contributing to extensor mechanism failure in TKA. Partial quadriceps tendon rupture and undisplaced patella fracture with intact extensor mechanism function can be treated conservatively. Extensor mechanism failure in TKA with disruption of the extensor mechanism function should be treated operatively as it is associated with poor function and extensor lag. It is recommended that acute repair of patella or quadriceps tendon rupture are augmented due to the high risk of re-rupture. Chronic ruptures of the extensor mechanism must be reconstructed as repair has a high failure rate. Reconstruction can be performed using autograft, allograft or synthetic graft. Cite this article: EFORT Open Rev 2021;6:181-188. DOI: 10.1302/2058-5241.6.200119


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