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Osteoarthrosis and late growth

A Hulth¹, O Johnell, B E Nilsson

¹Department of Orthopaedics, Malmö General Hospital, Lund University, Sweden.

Clinical Orthopaedics and Related Research

|April 1, 1995

Summary

This study found that bone dimensions, including the femoral head and acetabulum, significantly increase with age. While joint space cartilage growth wasn't significant overall, some older men and women showed higher cartilage measurements.

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Area of Science:

Orthopedics
Radiology
Gerontology

Background:

Bone and cartilage growth can potentially lead to cartilage injuries.
Previous research has not extensively explored late-stage bone growth in adults.

Purpose of the Study:

To investigate the hypothesis of late bone growth.
To measure changes in pelvic and hip joint dimensions with age.

Main Methods:

Pelvic radiographs from 1990-1992 of individuals born between 1901-1972 were analyzed.
Exclusion criteria included osteoarthrosis and hip fractures.
Measurements of the femoral head, acetabulum, pelvic diameters, and joint space height were taken for 116 women and 100 men across three age groups.

Main Results:

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Significant age-related increases were observed in femoral head, acetabulum, and pelvic diameters, as well as the femoral neck in women.
Superior joint space (cartilage) height did not significantly increase with age overall.
However, specific older male and female subgroups exhibited higher cartilage measurements, suggesting potential localized growth.

Conclusions:

Bone dimensions in the hip and pelvis continue to increase into adulthood.
The findings suggest that ongoing bone and cartilage growth may contribute to cartilage damage.
Further research is needed to understand the clinical implications of these age-related dimensional changes.