Femoral head diameter in the Malaysian population

Lee, Chee Kean; Kwan, Mun Keong; Merican, Azhar M.; Ng, Wei Lin; Saw, Lim Beng; Teh, Kok Kheng; Krishnan, Manoharan; Ramiah, R

doi:10.11622/smedj.2014103

Cited by 10 publications

(10 citation statements)

References 12 publications

(13 reference statements)

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“…This finding was consistent with that of a Malaysian study comprising the same racial groups. (6) During a hip hemiarthroplasty procedure, the femoral head is replaced with a shell that is of the exact size as the native femoral head (measured intraoperatively with a caliper). Thus, knowledge of the mean femoral head diameter size provides the surgeon with a guide to the optimal size of the shell that should be used to replace the femoral head.…”

Section: Discussionmentioning

confidence: 99%

“…(4) Umer et al found that the proximal femur morphology of the general healthy population (age 20-50 years) in Pakistan differed significantly from those in Western countries. (5) Lee et al found that among the Chinese, Malay and Indian races in Malaysia, the Chinese had significantly larger femoral head sizes compared to the other races; (6) however, the authors did not study other parameters of the proximal femur besides the femoral head sizes. Chin et al described Asian women as having smaller distal femurs.…”

Section: Introductionmentioning

confidence: 99%

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Radiographic study of the proximal femur morphology of elderly patients with femoral neck fractures: is there a difference among ethnic groups?

Tang

Yeoh

Tan

2017

smedj

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INTRODUCTIONThis study aimed to determine ethnic differences in the proximal femur morphology of elderly patients with femoral neck fractures in Singapore. CONCLUSION We found statistically significant differences in the femoral head sizes and calcar-to-canal width ratios among women of different ethnic groups. There were also differences in neck-shaft angles between Chinese and Indian women, and between Malay and Indian women. METHODS

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Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Radiographic study of the proximal femur morphology of elderly patients with femoral neck fractures: is there a difference among ethnic groups?

Tang

Yeoh

Tan

2017

smedj

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“…Found higher male values for the FNSA, although it was not statistically significant. Lee et al [19] found that Malaysian males have a significantly greater average FHD than females. Their study showed that the gender difference in the FHD is 4mm, which is clinically significant.…”

Section: Discussionmentioning

confidence: 98%

Radiographic Assessment of the Proximal Femoral Anatomy in An Indigenous African Adult Population

2021

IJAR

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Background: Hip surgeries such as fracture fixation, corrective osteotomy, hemiarthroplasty, or total hip arthroplasty require accurate preoperative templating for a successful outcome. Such templating is done using the proximal femur and the acetabulum radiographs, depending on the planned surgery. Understanding the normal radiographic anatomy of the proximal femur is crucial to differentiate a normal from pathological anatomy. Proximal femoral anatomic indices include the femoral head diameter, femoral neck diameter, femoral neck length, femoral offset, femoral neck axis length and the femoral neck-shaft angle. Aim: This study assesses and establishes the average values of the proximal femoral anatomy in an indigenous African adult population. Method: This cross-sectional study examined 190 normal anteroposterior (AP) radiographs of the pelvis. The mean age, weight and height of the subjects were obtained. The following proximal femoral anatomic parameters were measured: femoral neck length (FNL), femoral neck diameter (FND), femoral head diameter (FHD), femoral neck-shaft angle (FNSA), femoral offset (FO) and femoral neck axis length (FNAL). The authors compared the mean difference of the parameters between the genders and the age categories and assessed the parameter correlations with the patients’ weight and height. Results: Males constituted 63 (33.2%) of the study population. The mean age of the subjects was 51.46 years (SD = 16.37). The mean weight was 76.13 kg, while the mean height was 1.62 m. The mean values of the proximal femoral parameters were as follows: FNL 4.52cm, FND 3.42cm, FHD 4.76cm, FNSA 132.960, FO 4.09cm, and FNAL 10.34cm. Males have a significantly higher mean value in all the parameters except the FO. None of the parameters showed any significant difference among the age categories except the FNL. A post-hoc analysis showed that the difference in the FNL lies between the young and the elderly age groups. The subjects’ height correlated with all the parameters except FNSA, while the weight correlated with the FND, FNSA and FNAL. Conclusion: The proximal femoral anatomy in Africans differed from those published in foreign literature. This knowledge is crucial for implant manufacturing companies and preoperative templating for hip surgeries. KEY WORDS: Proximal femur, Anatomy, Black population.

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“…Similar observations were made by Lee et al, who found that men had a significantly larger mean femoral head diameter than women (47.7±2.8 mm versus 43.7±2.4 mm; p<0.05). 5 It should be noted that the morphometry of femur depends on the ethnicity of the patients as well. Lee and colleagues reported that the mean femoral head diameter was largest in Chinese patients (45.2±3.1 mm), followed by Indian (44.4±3.3 mm) and Malay (44.2±3.0 mm) patients.…”

Section: Discussionmentioning

confidence: 99%

“…4 Lee et al found that among the Chinese, Malay and Indian races in Malaysia, the Chinese had significantly larger femoral head diameters compared to the other ethnicities. 5 Chin et al found that Asian women have having smaller distal femurs as compared to males. 6 There is very limited data which informs about the variation in the femoral head diameters among Nepalese population.…”

Section: Introductionmentioning

confidence: 99%

Femoral head diameters in Nepalese patients undergoing hemiarthroplasty

Gupta

Chaurasia

Jha³

2021

Int J Res Orthop

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Background: Sizing of the femoral head is important for determining the appropriate size of implants to be used for a patient undergoing hip arthroplasty. The present study aimed to determine the mean diameter of femoral head in Nepalese population who underwent hemiarthroplasty in our department.Methods: We retrospectively reviewed the medical records of patients who underwent hemiarthroplasty from December 2016 till December 2020. We included patients aged more than 50 years who underwent hemiarthroplasty. The diameter of the femoral head was measured intraoperatively using standard fully circular templates. For radiological measurements, X-ray of pelvis with hips anteroposterior view were included.Results: A total of 600 femoral heads were evaluated, 400 of women and 200 of men. Of these cases, the femoral head diameter were evaluated based on x-ray pelvis in 500 cases and rest of the 100 cases were evaluated intraoperatively. The mean age of the patients in our sample was 75.2±9.4 (range 50–90) years. Overall, the mean femoral head diameter (with intact articular cartilage) was 44.9±3.2 (range 39–53 mm) mm. Among the male patients, mean femoral head diameter was 47.7±2.8 mm, which was found to be significantly higher than that of female patients, who had a mean femoral head diameter of 43.7±2.4 mm, p value <0.05.Conclusions: Further studies are needed in other geographical locations, so that reference values could be established for specific regions.

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Femoral head diameter in the Malaysian population

Abstract: CONCLUSIONMalaysians have a mean femoral head diameter of 44.9 ± 3.2 mm. Among our patients, Chinese patients had a significantly larger femoral head size than Malay and Indian patients. We also found that, in our cohort, men had significantly larger femoral head diameters than women.

Cited by 10 publications

References 12 publications

Radiographic study of the proximal femur morphology of elderly patients with femoral neck fractures: is there a difference among ethnic groups?

Radiographic study of the proximal femur morphology of elderly patients with femoral neck fractures: is there a difference among ethnic groups?

Radiographic Assessment of the Proximal Femoral Anatomy in An Indigenous African Adult Population

Femoral head diameters in Nepalese patients undergoing hemiarthroplasty

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