Anthropometric Study of Proximal Femur Geometry and Its Clinical Application

Siwach, Ramchander

doi:10.1055/s-0040-1712831

Cited by 28 publications

(53 citation statements)

References 10 publications

(15 reference statements)

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“…al. (14) in an anthropometric study demonstrated that the average FHD in European population to be 43.53±3. 4 The age of 40-80 years were chosen in this study since it had been demonstrated to be the most frequent age vulnerable to proximal femoral surgery (18).…”

Section: Radiological Evaluation Of the Proximal Femoral Geometric Fementioning

confidence: 98%

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Türk Toplumunda Proksimal Femurun Geometrik Özelliklerinin Radyolojik Değerlendirilmesi

Acar

Unal

2017

SDÜ Tıp Fakültesi Dergisi

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Bu çalışmanın amacı cerrahlar ve implant imalatçıları için bir veri tabanı oluşturmak gayesi ile Türk toplumunda proksimal femur geometrisinin farklı özelliklerini değerlendirmektir.Gereç ve yöntem: 40-80 yaş arasındaki 380 (190 erkek, 190 kadın) hastanın doğru pelvis ön-arka dijital görüntüleri elde edildi. Femur başı çapı, horizontal offset, boyun şaft açısı, femur boynu genişliği, boynu uzunluğu ve femur boynu eksen uzunluğu ölçüldü. Bulgular: Her iki cinsiyette de, femur başı çapı ve kalçanın horizontal ofsetinde sağ ve sol kalçalar arasında anlamlı fark saptandı. Femur boyun-şaft açısı, femur boyun genişliği, femur boyun uzunluğu ve femur boyun aks uzunluğu ölçümlerinde ise sağ ve sol kalçalar arasında anlamlı fark saptanmadı. Sonuç: Genellikle erkeklerde kadınlara göre daha yüksek değerler saptandı. Proksimal femur cerrahisi ile uğraşan cerrahlar ve implant imalatçıları için bu çalışma bir veri tabanı hizmeti sunabilir.

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Section: Radiological Evaluation Of the Proximal Femoral Geometric Fementioning

confidence: 98%

“…Many studies had focused on the head diameter for different ethnic populations (8,14). Siwach RC et.…”

Section: Radiological Evaluation Of the Proximal Femoral Geometric Fementioning

confidence: 99%

Türk Toplumunda Proksimal Femurun Geometrik Özelliklerinin Radyolojik Değerlendirilmesi

Acar

Unal

2017

SDÜ Tıp Fakültesi Dergisi

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“…In the first step digital roentgenograms (AP view) of all the bones selected for the study were taken using standardized techniques [2]. The bones were placed directly over the X-ray cassette to minimize the magnification.…”

Section: A-femoral Head Offset B-superior Inferior Diameter Of Head Cmentioning

confidence: 99%

“…In case of THR, it is mandatory that the design and dimensions of the femoral component, match (best-fit) the anatomy of the femur more so in cement-less variety. Significant variations are noted in the proximal femoral geometry of different races and ethnic groups [2][3][4][5]. Studies show that genetic and environmental factors including lifestyle determine the geometry of the proximal femur [6][7][8].…”

Section: Introductionmentioning

confidence: 99%

“…Studies show that genetic and environmental factors including lifestyle determine the geometry of the proximal femur [6][7][8]. The femoral components currently available in the Indian market are designed according to Western standards, not taking into account the ethnic differences or racial differences in the femoral geometry of the Indian population [2][3][4].…”

Section: Introductionmentioning

confidence: 99%

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A Study on the Proximal Femoral Geometry for Standardizing the Femoral Component Design to Suit Indian Needs in Total Hip Replacement

Sendhoorani¹,

Doraiswamy²,

Mithrason³

2016

IJAR

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Background and aims: The percentage of elderly people above 65 years of age & incidence of Osteoarthritis in India is expected to be very high by 2040 AD. The final weapon in the management armamentarium of osteoarthritis is Total Hip Replacement. The femoral component design plays a major role in the success of the surgery. The anatomy of the upper end of femur varies with different populations. The study is aimed to provide guidelines for future design of the femoral stem for Indian population. Materials and Methods: 200 dry human bones were studied. The parameters including: Femoral head off set, femoral head diameter, femoral neck diameter, canal width, endosteal and extra cortical width, ante version angle and neck shaft angle were studied using UTHSCSA Image tool software. The results were analyzed using statistical package SPSS 17.0 version. Results: The average femoral head offset, neck shaft angle and ante version angle was 40.75 mm, 131.48 degrees and 10.69 degrees respectively. The head diameter and neck diameter was 41.77 mm and 28.66 mm respectively. The canal width was 34.87 mm, 49.27 mm and 30.09 mm respectively at the level, 20 mm above the level and 20 mm below the level of lesser trochanter, endosteal width at the level of isthmus was 15.9 mm and extra cortical width at the level of isthmus was 14.03 mm Conclusion: The guideline values obtained for the parameters, particularly the femoral head offset, ante version angle and neck shaft angle are strongly recommended for designing femoral stems.

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A study of femoral offset in the South Indian population and its clinical implications in hip arthroplasty

Kumar

Jisam

Varghese

et al. 2021

Journal of Clinical Orthopaedics and Trauma

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Background: Recreation of the normal proximal femoral anatomy is paramount for a successful total hip arthroplasty. The study aims to look at whether the range of offset options available in the femoral stems available locally, would be adequate to restore the native femoral horizontal offset (FHO) of the South Indian population. Method: This is a prospective single-center study of 1-year duration, where we study the FHO on radiographs and CT scans in 100 patients. We then look at the femoral stems available in the Indian market and see if the offset may be restored with the available stems. Result: The FHO ranged from 23.3 to 46.9 mm with a mean of 35.7 ± 5.3 mm. The females in the group (33.86 ± 4.71 mm) had a lower FHO compared to males (37.78 ± 5. 21 mm). We found that 50% of the South Indian population and 62% of the females have an offset less than 35 mm. Among the 18 stems that we studied, four out of nine cemented and two out of nine uncemented stems did not offer an offset below 35 mm. Conclusion:The native FHO in the South Indian population is significantly less than that of Caucasians. The surgeon should be aware that many implant systems available in India do not offer offset options in this range. In this group, even when a stem with smallest offset is used, there is a risk of increasing the FHO with a potential for intraoperative fractures due to difficult reduction and leg-lengthening. Hence, the surgeon should template carefully and choose only those implant systems which can offer an offset similar to the native offset to restore the anatomy accurately. We recommend that all manufacturers consider offering implants with smaller offset (25e35 mm).

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Anthropometric Study of Proximal Femur Geometry and Its Clinical Application

Cited by 28 publications

References 10 publications

Türk Toplumunda Proksimal Femurun Geometrik Özelliklerinin Radyolojik Değerlendirilmesi

Türk Toplumunda Proksimal Femurun Geometrik Özelliklerinin Radyolojik Değerlendirilmesi

A Study on the Proximal Femoral Geometry for Standardizing the Femoral Component Design to Suit Indian Needs in Total Hip Replacement

A study of femoral offset in the South Indian population and its clinical implications in hip arthroplasty

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