Elbow and Other Upper Limb Deformities in Achondroplasia

Bailey, Joseph A.

doi:10.1097/00003086-197110000-00011

Cited by 14 publications

(12 citation statements)

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Section: Discussionmentioning

confidence: 99%

“…Inability of full elbow extension is typical in achondroplasia, (e.g., Bailey, ; Wynne‐Davies et al, ), although not necessarily bilateral symmetrical (Bailey, ). Bailey () reported lack of full elbow extension in 38/41 individuals with achondroplasia aged 3 days to 72 years and found that elbow flexion deformity; that is, degree to reach full extension, might increase from infancy to adulthood from about 5° to almost 25° with a range of 20°–45° at senior ages. As possible causes, Bailey suggested deformities or subluxation of radial heads, humeral impingement of the olecranon tip or incongruous fit of the bones of the olecranon fossa, abnormal bowing of the distal end of the humerus and tight elbow joint capsules, ligaments, or tendons (Bailey, ).…”

Section: Discussionmentioning

confidence: 99%

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Development of body proportions in achondroplasia: Sitting height, leg length, arm span, and foot length

Merker

Neumeyer

Hertel

et al. 2018

American J of Med Genetics Pt A

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The aims of this study was to construct references for sitting height, leg length, arm span, relative sitting height (sitting height/height), and foot length and to discuss the development for these anthropometric variables in achondroplasia. Sex-specific references covering ±2 SD are presented for ages 2-20 years. Legs and arms in achondroplasia are already at 2 years of age considerably shorter than in the general population and this deviation increases with age. At adult ages, legs are almost 50% shorter than in the general population and arm span roughly 35% shorter. As sitting height is only mildly affected, relative sitting height position develops far beyond normal ranges. Foot length is also not as affected as limbs.

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Development of body proportions in achondroplasia: Sitting height, leg length, arm span, and foot length

Merker

Neumeyer

Hertel

et al. 2018

American J of Med Genetics Pt A

View full text Add to dashboard Cite

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“…Bailey 6 reviewed the clinical and radiological findings in 41 patients and described various deformities of the upper limb including loss of extension, limited supination or pronation, a prominent radial head, a short ulna, and cubitus varus. A deficit in extension was the most common, being present in 38 of the 41 patients (92.7%).…”

Section: Discussionmentioning

confidence: 99%

“…8 Radiological abnormalities of the head of the radius were difficult to evaluate in many cases. Bailey 6 showed that the frequency of subluxation or dislocation of the head was 11.0% in patients with achondroplasia. He stated that deformities of the head, with or without dislocation, were normally the cause of loss of extension.…”

Section: Discussionmentioning

confidence: 99%

Deformities of the elbow in achondroplasia

Kitoh

Kitakoji

Kurita

et al. 2002

The Journal of Bone and Joint Surgery. British volume

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L ack of full extension of the elbow is a common abnormality in patients with achondroplasia. We studied 23 patients (41 elbows) clinically and radiologically. Extension of the elbow was assessed clinically and the angle of posterior bowing of the distal humerus was measured from lateral radiographs.There was limited extension of the elbow in 28 (68.3%) and the mean loss of extension was 13.1°. Posterior bowing of the humerus was seen in all elbows with a mean angle of 17.0°. There was a positive correlation between these two measurements. Posterior bowing greater than 20° caused a loss of full elbow extension. Posterior dislocation of the radial head was seen in nine elbows (22.0%). The mean loss of extension of the elbows was 28.7° which was significantly greater than that of these elbows in which the head was not dislocated (8.7°), although posterior bowing was not significantly different between these two groups (19.3° and 16.3°).Posterior bowing of the distal humerus is a principal cause of loss of extension of the elbow. Posterior dislocation of the radial head causes further limitation of movement in the more severely affected joints.

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“…Radiological abnormalities of the head of the radius were difficult to evaluate in many cases. Bailey 6 showed that the frequency of subluxation or dislocation of the head was 11.0% in patients with achondroplasia. He stated that deformities of the head, with or without dislocation, were normally the cause of loss of extension.…”

mentioning

confidence: 99%

Deformities of the elbow in achondroplasia

Kitoh

Kitakoji

Kurita

et al. 2002

The Journal of Bone and Joint Surgery

View full text Add to dashboard Cite

Lack of full extension of the elbow is a common abnormality in patients with achondroplasia. We studied 23 patients (41 elbows) clinically and radiologically. Extension of the elbow was assessed clinically and the angle of posterior bowing of the distal humerus was measured from lateral radiographs. There was limited extension of the elbow in 28 (68.3%) and the mean loss of extension was 13.1 degrees. Posterior bowing of the humerus was seen in all elbows with a mean angle of 17.0 degrees. There was a positive correlation between these two measurements. Posterior bowing greater than 20 degrees caused a loss of full elbow extension. Posterior dislocation of the radial head was seen in nine elbows (22.0%). The mean loss of extension of the elbows was 28.7 degrees which was significantly greater than that of these elbows in which the head was not dislocated (8.7 degrees), although posterior bowing was not significantly different between these two groups (19.3 degrees and 16.3 degrees). Posterior bowing of the distal humerus is a principal cause of loss of extension of the elbow. Posterior dislocation of the radial head causes further limitation of movement in the more severely affected joints.

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Elbow and Other Upper Limb Deformities in Achondroplasia

Cited by 14 publications

References 0 publications

Development of body proportions in achondroplasia: Sitting height, leg length, arm span, and foot length

Development of body proportions in achondroplasia: Sitting height, leg length, arm span, and foot length

Deformities of the elbow in achondroplasia

Deformities of the elbow in achondroplasia

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