In Brief: Classifications in Brief: Brooker Classification of Heterotopic Ossification After Total Hip Arthroplasty

Hug, Kevin T.; Alton, Timothy B.; Gee, Albert O.

doi:10.1007/s11999-014-4076-x

Cited by 89 publications

(53 citation statements)

References 20 publications

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“…19 Assessment included the position of the stem for the stemmed components which was considered to be valgus or varus when the distal extremity apposed the lateral or medial aspect of the radial cortex, respectively, signs of periprosthetic osteolysis (Fig. 2), heterotopic ossification according to the Brooker classification, 35,36 and capitellar wear. These were noted at each post-operative review.…”

Section: Figmentioning

confidence: 99%

Mid-term outcomes of 77 modular radial head prostheses

Laumonerie

Reina

Ancelin

et al. 2017

The Bone & Joint Journal

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Section: Figmentioning

confidence: 99%

Mid-term outcomes of 77 modular radial head prostheses

Laumonerie

Reina

Ancelin

et al. 2017

The Bone & Joint Journal

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“… 2 20 21) Furthermore, preoperative hip ankylosis and postoperative infection are major risk factors for heterotopic ossification. 6 7 22 23 24) In the AS group, we only observed one deep infection in a patient who developed grade III heterotopic ossification. More studies are needed with different patient groups and longer follow-up times to verify this finding.…”

Section: Discussionmentioning

confidence: 80%

Comparison of Outcomes of Total Hip Arthroplasty between Patients with Ankylosing Spondylitis and Avascular Necrosis of the Femoral Head

Lee

Seol

et al. 2017

Clin Orthop Surg

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BackgroundThe objective of this study was to compare clinical and radiological outcomes of total hip arthroplasty (THA) between ankylosing spondylitis (AS) of the hip joint and avascular necrosis (AVN) of the femoral head.MethodsThirty patients (30 hips) underwent cementless THA for AS between 2003 and 2012. They were compared to 30 patients (30 hips) who underwent the same procedure for AVN of the femoral head. Each group was matched for age and gender, and both groups had similar preoperative demographic characteristics. All cases were followed for minimum 4 postoperative years. Clinical evaluation was based on operation time, intraoperative blood loss, quantity of postoperative drainage, Harris Hip Score (HHS), and range of motion (ROM). Radiological results were evaluated by acetabular cup anteversion and inclination, femoral stem orientation, pre- and postoperative leg length discrepancy, and postoperative complications.ResultsThe operation time was significantly longer in the AS group (120.2 ± 26.2 min) than in the AVN group (79.5 ± 11.1 min). The volume of postoperative drainage was significantly greater in the AS group (764.5 ± 355.4 mL vs. 510.5 ± 195.6 mL). Preoperative HHS was lower in the AS group (55.6 ± 13.8 vs. 59.2 ± 2.8). Similarly, postoperative HHS was significantly lower in the AS group (92.8 ± 2.7 vs. 97.4 ± 2.6). The arc of ROM was improved from 146.5° ± 13.2° preoperatively to 254.7° ± 17.2° postoperatively in the AS group and from 182.6° ± 15.5° to 260.4° ± 13.7° in the AVN group. Implant position and postoperative leg length discrepancy were not different between the groups. However, three cases of heterotopic ossification was observed in the AS group, whereas only 1 case was found in the AVN group. One deep infection and one aseptic stem loosening were found in the AS group, whereas none was observed in the AVN group.ConclusionsCementless THA showed satisfactory clinical and radiological results in both groups, despite the longer operation time, larger blood loss volume, and lower HHS score of the AS group. Our findings suggest that cementless THA is an effective and reliable treatment for both AS and AVN.

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“…2c). Brooker class D HO was clearly present on imaging at 9 months after surgery and matured at 12 months after surgery [12] ( Fig. 2d-e).…”

Section: Case Presentationmentioning

confidence: 93%

Surgical management of bilateral hip fractures in a patient with fibrodysplasia ossificans progressiva treated with the RAR-γ agonist palovarotene: a case report

Singh

Kidane

Wentworth

et al. 2020

BMC Musculoskelet Disord

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Background: Fibrodysplasia ossificans progressiva (FOP) is an ultra-rare disorder marked by painful, recurrent flareups and heterotopic ossification (HO) in soft and connective tissues, which can be idiopathic or provoked by trauma, illness, inflammation, or surgery. There are currently no effective treatments for FOP, or for patients with FOP who must undergo surgery. Palovarotene, an investigational retinoic acid receptor-γ agonist, offers a potential avenue to prevent HO formation. Case presentation: The patient is a 32 year-old male, who at age 29 enrolled in a study evaluating palovarotene to prevent HO formation in FOP. One year after starting palovarotene, he fell resulting in a left intertrochanteric fracture. He underwent intramedullary nailing of the femur shaft with screw placement at the distal femur. After surgery, he received palovarotene at 20 mg/day for 4 weeks, then 10 mg/day for 8 weeks. Imaging 12 weeks after surgery showed new bridging HO at the site of intramedullary rod insertion and distal screw. Nine months after the left hip fracture, the patient had a second fall resulting in a subdural hematoma, left parietal bone fracture, and right intertrochanteric fracture. He underwent intramedullary nailing of the right hip, in a modified procedure which did not require distal screw placement. Palovarotene 20 mg/day was started at fracture occurrence and continued for 4 weeks, then reduced to 10 mg/day for 8 weeks. HO also formed near the insertion site of the intramedullary rod. No HO developed at the right distal intramedullary rod. After each fracture, the patient had prolonged recurrent flare-ups around the hips.

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In Brief: Classifications in Brief: Brooker Classification of Heterotopic Ossification After Total Hip Arthroplasty

Cited by 89 publications

References 20 publications

Mid-term outcomes of 77 modular radial head prostheses

Mid-term outcomes of 77 modular radial head prostheses

Comparison of Outcomes of Total Hip Arthroplasty between Patients with Ankylosing Spondylitis and Avascular Necrosis of the Femoral Head

Surgical management of bilateral hip fractures in a patient with fibrodysplasia ossificans progressiva treated with the RAR-γ agonist palovarotene: a case report

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