Extremities

Hip arthroscopy revealed abnormal full-thickness acetabular chondral flaps

By Casey Tingle

The biochemical properties and number of live chondrocytes for full-thickness chondral flaps sampled during hip arthroscopy indicated these chondral flaps were not normal and had a degenerative appearance based on results of a biomechanical analysis.

Researchers collected 21 full-thickness acetabular chondral flaps during hip arthroscopy performed in 20 patients and performed a biomechanical analysis of the flaps, which looked at DNA, hydroxyproline and glycosaminoglycan concentrations. Using 10 flaps they retrieved from 10 patients the researchers also studied chondral flap cellular viability.

Results of these analyses showed concentrations within one standard deviation of the mean values reported in previous studies of normal cartilage of 38% for DNA, 0% for glycosaminoglycan and 43% for hydroxyproline in the acetabular chondral flap specimens.

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