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20-year trends of distal femoral, patellar, and proximal tibial fractures: a Danish nationwide cohort study of 60,823 patients.

ABSTRACT: Background and purpose - Knee fracture treatment burden remains unknown, impeding proper use of hospital resources. We examined 20-year trends in incidence rates (IRs) and patient-, fracture-, and treatment-related characteristics of knee fracture patients.Patients and methods - This nationwide cohort study of prospectively collected data including patients with distal femoral, patellar, and proximal tibial fractures from the Danish National Patient Registry during 1998-2017, assesses IRs of knee fractures (per 10⁵ inhabitants) as well as patient-, fracture-, and treatment-related characteristics of knee fracture patients.Results - During 1998-2017, 60,823 patients (median age 55; 57% female) sustained 74,106 knee fractures. 74% of the study population had a Charlson Comorbidity Index (CCI) of 0 and 18% a CCI of ≥ 2. 51% were proximal tibial fractures, 31% patellar fractures, and 18% distal femoral fractures. At the time of knee fracture, 20% patients had concomitant near-knee fractures (femur/tibia/fibula shaft/hip/ankle), 13% concomitant fractures (pelvic/spine/thorax/upper extremities), 5% osteoporosis, and 4% primary knee osteoarthritis. Over 1/3 knee fractures were surgically treated and of these 86% were open-reduction internal fixations, 9% external fixations, and 5% knee arthroplasties. The most common surgery type was proximal tibia plating (n = 4,868; 60% female). Knee fracture IR increased 12% to 70, females aged > 51 had the highest knee fracture IR, proximal tibial fracture had the highest knee fracture type IR (32) and surgically treated knee fracture IR increased 35% to 23.Interpretation - Knee fracture IRs, especially of surgically treated knee fractures, are increasing and proximal tibial fracture has the highest knee fracture type IR. Females aged > 51 and patients with comorbidity are associated with knee fracture, proximal tibial fracture, proximal tibial fracture surgery, and posttraumatic knee arthroplasty.

SUBMITTER: Vestergaard V

PROVIDER: S-EPMC7006734 | biostudies-literature |

REPOSITORIES: biostudies-literature

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Project description:High tibial osteotomy is a common procedure to address unicompartment knee osteoarthritis and other conditions. Regarding the specific surgical methods, medial open wedge osteotomy and lateral close wedge osteotomy are the most used. Both methods have a common disadvantage in that they are not so suitable to correct a severe deformity. Thus, we would like to introduce an anterior proximal-to-posterior distal oblique proximal tibial osteotomy technique, which is especially suitable to correct severe tibial deformity. The most critical point of this technique is to create an osteotomy plane from the most proximal posterior site of the tibial tubercle posteriorly and distally to the posterior cortex of the tibia, with each horizontal osteotomy maneuver in the coronal plane. Combined fibular osteotomy is always needed, and better results can be obtained when it is combined with arthroscopic debridement of the knee. We consider the introduction of this technique will provide a useful option when tibial osteotomy is needed to preserve the knee, especially for a great deformity correction. Technique Video Video 1 Anterior proximal-to-posterior distal oblique proximal tibial osteotomy. This procedure is performed in the right knee. Arthroscopy is performed to confirm the osteoarthritis status of the medial compartment and the healthier status of the lateral compartment. Debridement and other indicated arthroscopic procedures are performed. A K-wire is drilled in the coronal plane from the medial to the lateral side of the tibia at a level approximately 1 cm distal to the joint line, parallels the joint line as far as possible, and is used as a proximal reference wire. Another K-wire is drilled into the tibia also in the coronal plane at a level in the distal one third of the leg and used as a distal reference wire. The angle between the 2 reference wires is controlled being equal to the to-be-corrected angle of the tibia as far as possible. A longitudinal incision is made over the midline of the medial surface of the tibia. The pes anserinus is peeled off from its tibial insertion. A K-wire is placed at the most proximal and posterior site of the tibial tubercle and an osteotomy line is marked posterodistally to the posteromedial ridge of the tibia with 30° angulation to the tibial axis. The posterior osteofascial compartments are opened at the distal end of the osteotomy line. A 2.5-mm K-wire is used to drill through the medial tibial cortex along the osteotomy line to make a line of holes with approximately 5 mm distance between the neighboring holes. An osteotome is used to cut the bone and connect the holes along the osteotomy line at the medial side of the tibia. The lateral tibial cortex is drilled through the medial tibial fissure with each drilling maneuver along the coronal plane, to create a line of holes on the lateral side of the tibia. The osteotome is put into the fissure at the medial side of the tibia to connect the holes on the lateral side of the tibia to create an osteotomy plane. The distal posterior tibial cortex is cut along the osteotomy plane. A K-wire is drilled perpendicular to the coronal plane through the middle of the osteotomy plane. A fibula osteotomy is performed at its middle point with a wire saw. Valgus stress is applied to correct the varus deformity of the tibia till the 2 reference wires parallel to each other. Two additional K-wires are placed across the osteotomy plane for temporary fixation of the fracture. A tibial condyle plate is placed at the medial side of the tibia. Four self-locking screws are placed in respectively at the proximal and distal segments of the tibia for fracture fixation. The K wires for temporary fixation and correction reference are removed. A suction drainage tube is placed to the osteotomy site. The wounds are closed.

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20-year trends of distal femoral, patellar, and proximal tibial fractures: a Danish nationwide cohort study of 60,823 patients.

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