Current Concepts Review - Acetabular and Femoral Anteversion

Tönnis, Dietrich; Heinecke, Achim

doi:10.2106/00004623-199912000-00014

Cited by 1,126 publications

(221 citation statements)

References 51 publications

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“…Sugano et al [10] cite ''true'' femoral anteversion to be 19.8°± 9.3°. Tönnis and Heinecke [11] cite normal femoral and acetabular anteversion to be 15°to 20°. Stem et al [9] report mean acetabular anteversion to be 23°(range, 12°-39°; SD, 5°).…”

Section: Discussionmentioning

confidence: 99%

Femoral Anteversion in THA and its Lack of Correlation with Native Acetabular Anteversion

Bargar¹,

Jamali

Nejad

2010

Clinical Orthopaedics &Amp; Related Research

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Several studies support the concept that, for optimum range of motion in THA, the combined femoral and acetabular anteversion should be some constant or fall within some "safe zone." When using a cementless femoral component, the surgeon has little control of the anteversion of the component since it is dictated by native femoral anteversion. Given this constraint, we asked whether the surgeon should use the native anteversion of the acetabulum as a target for implant position in THA. Forty-six patients scheduled for primary THA underwent CT scanning and preoperative planning using a computer workstation. The native acetabular anteversion and the native femoral anteversion were measured. Prosthetic femoral anteversion was measured on the workstation by three-dimensional templating of a straight-stemmed tapered implant. The mean of the sum of the native acetabular anteversion and native femoral anteversion was 28.9 degrees; however, 17% varied by 10 degrees to 15 degrees and 11% by more than 15 degrees. The mean of native femoral anteversion and prosthetic femoral anteversion was 13.8 degrees (range, -6.1 degrees-32.7 degrees) and 22.5 degrees (range, 1 degrees-39 degrees), respectively. Based on our data, we believe the surgeon should not use the native acetabular anteversion as a target for positioning the acetabular component.

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Section: Discussionmentioning

confidence: 99%

Femoral Anteversion in THA and its Lack of Correlation with Native Acetabular Anteversion

Bargar¹,

Jamali

Nejad

2010

Clinical Orthopaedics &Amp; Related Research

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“…It has commonly been thought that hip dysplasia is associated with an increase in acetabular anteversion, however it has been demonstrated that this is not the case. Tonnis found that decreased acetabular anteversion (less than 10°; retroversion) was found in 29% of the dysplastic hips he examined, and decreased femoral anteversion (less than 10°; retroversion) in 59% of the dysplastic hips he examined [8]. Femoral variations may also create improper joint alignment.…”

Section: Hip Dysplasia and Pathomechanicsmentioning

confidence: 95%

Hip dysplasia and the performing arts: is there a correlation?

Turner

O’Sullivan

Edelstein

2012

Curr Rev Musculoskelet Med

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Dancers frequently present with hip pain. The etiology of this pathology has not been clearly identified from an anatomical perspective. Structural variations including hip dysplasia and dynamic variables from the foot to the pelvis will be discussed. Understanding the etiology as a structural entity, neuromuscular entity or a combination of the two, allows for a successful rehabilitative process and a successful return to dance. This article describes the possible correlation between hip dysplasia and hip pain in the dancer, the relationship of dance postures to the kinematic chain and outlines possible treatment strategies for management.

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“…In the etiology of AVN, there are two factors: blockage of the extracapsular [50]. The reported incidence of AVN has ranged from zero to 73 per cent [49].…”

Section: Avarcular Necrosismentioning

confidence: 99%

Comparative Study Age at Time Operation between Younger and Older than 18 Months for Development Dysplasia of the Hip in Children

Hưng¹,

Duc²,

Hien³

2018

OALib

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Background: The Innominate osteotomy as an integral component of combined open reduction for the treatment of dysplasia developed of the hip in children. Materials and Methods: Between 2011 and 2015, 198 hips of 176 patients with developmental dislocation of the hip underwent 0 operation. The patients were divided into two Variant based on the age at the time of open reduction: 12 months -less than 18 months (Variant 1) and upper 18 -36 months (Variant 2). There were 120 hips in V 1 and 69 hips in V 2. Preoperative Patients didn't use skin or skeletal traction, or femoral osteotomies. All patients were Open reduction and iliac osteotomy according to Zigzag morphology combined Fibular Allograft. Dislocations were graded according to Tönnis system. The acetabular index was measured common procedure: Clinical evaluation of modified McKay criteria, and Roentgenographic evaluation of Severin. Results: There were 134 (76.1%) of the patients were girls and 42 (23.9%) were boys. Twenty two (12.5%) patients were affected bilaterally. The right hip was involved in 31 (17.6%), and the left hip in 123 cases (69.9%). Tönnis grade: Tönnis 3 in 46 (23.3%), Tönnis. 4 in 152 (76.7%). The patient was performed at a mean age of 21.5 months (12 to 36) and the mean age at latest follow-up was 72.1 months (58 to 115), and the mean time follow-up was 41 months (32 to 53 months).Overall favorable result 188 hips (94.9%) and unfavorable result 10 hips (5.1%). Roentgenogrphic results were Excellent 79.8%, Good 15.2%, Fair 3.5%, Poor 1.5%. There were Redislocation 14 (7.1%) and Avascular necrosis 47 (23.7%). Conclusion: This operation was of good safety and efficacy. Fibular allograft was strength and graft was not resorption, more stable and structurally sound interposition material which could be contoured to the shape of the osteotomy site. The Zizag octeotomy acetabuloplasty the same shape of the acetabulum by hinging the horizontal branch of the triradiate cartilage following an incomplete osteotomy. At latest results, both Variant were none different.

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Current Concepts Review - Acetabular and Femoral Anteversion

Cited by 1,126 publications

References 51 publications

Femoral Anteversion in THA and its Lack of Correlation with Native Acetabular Anteversion

Femoral Anteversion in THA and its Lack of Correlation with Native Acetabular Anteversion

Hip dysplasia and the performing arts: is there a correlation?

Comparative Study Age at Time Operation between Younger and Older than 18 Months for Development Dysplasia of the Hip in Children

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