Research finds shocking variations in knee accidents between males and girls

One in every of the most important MRI-based research evaluating knee accidents between males and girls exhibits shocking variations in harm patterns by gender and age. The outcomes, which will be used to enhance danger evaluation and develop early intervention methods, shall be introduced at present on the annual assembly of the Radiological Society of North America (RSNA).

In recent times, we bear grow to be more and more serious about the variations in knee accidents between males and girls. A lot of the analysis up to now has centered on males, however as we develop our focus to ladies, we see that they bear totally different danger profiles and are at risk of totally different accidents.”

Jenifer Pitman, MD, research co-author, assistant professor of radiologyJohns Hopkins Medical Institute in Baltimore, Maryland

The research included 13,549 consecutive routine knee MRI scans carried out between 2019 and 2024 at four Johns Hopkins Hospital outpatient radiology services. Sufferers reported knee ache as their predominant criticism. Researchers extracted the next options from radiology studies: tears or accidents to the medial and lateral meniscus, anterior cruciate ligament (ACL), posterior cruciate ligament, medial collateral ligament (MCL), lateral collateral ligament complicated, and extensor mechanism or patellofemoral dislocation.

The anterior cruciate ligament is an well-known ligament within the knee that connects the femur to the shinbone and offers stability, particularly throughout twists, jumps, sudden stops, or modifications of course. ACL accidents are widespread in sports activities and could cause ache, swelling and instability within the knee. The menisci are C-shaped items of cartilage on the inside (medial) and outer (lateral) sides of the knee that act like shock absorbers, cushioning the joint and offering stability. Tears within the menisci can happen with twisting accidents or with gradual put on and tear over time.

Evaluation of MRI studies revealed that sure accidents have been noticed extra regularly in males than in ladies, together with ACL tears alone, ACL tears with a medial meniscus tear, or ACL tears with a lateral meniscus tear.

“We noticed extra ACL tears in males, notably within the 20- to 40-year-old age group, which is opposite to what’s reported within the literature,” mentioned lead creator Ali Ghasemi, MD, a postdoctoral fellow at Johns Hopkins College. “Earlier research specializing in sports-related accidents bear proven that younger feminine athletes bear a larger frequency and larger danger of ACL tears. Nonetheless, our outcomes display a considerably larger prevalence of ACL accidents in male sufferers throughout all age teams.”

Dr. Pitman suspected that the discrepancy between her analysis and former research could also be attributable to them broadening their focus past sports-related knee accidents. Johns Hopkins researchers studied all sufferers with knee ache, no matter age or explanation for harm.

Males had extra accidents total.

The researchers additionally discovered that meniscus and MCL tears have been extra widespread in males underneath 40 and in older ladies.

“In youthful sufferers, meniscus and MCL tears have been extra widespread in males, whereas in older sufferers, ladies had extra of all these tears than males, which was surprising,” mentioned Dr. Ghasemi.

The outcomes recommend that older ladies are extra at risk of accidents that result in joint degeneration over time.

“Each males and girls ought to pick precautions to keep away from critical accidents, particularly throughout sports activities or bodily exercise, and girls, particularly over 40, ought to listen to the well being of their joints and take into account specialised power coaching to shield their knees as they age,” mentioned Dr. Pitman.

Recognizing the patterns of harm can support radiologists and clinicians regulate imaging protocols, danger assessments, and early intervention methods to optimize affected person outcomes.

“The prevailing perception that ACL tears are extra widespread in younger ladies will not be real 100% of the time,” mentioned Dr. Pitman. “Radologists may count on older ladies to bear a larger incidence of meniscus pathology and arthritis.”

Researchers are persevering with their research of knee harm patterns by gender and analyzing demographic info and affected person historical past to higher perceive tendencies in harm patterns.

Dr. Pitman mentioned athletes ought to take into account working with a well being skilled to construct balanced power across the knee. She notably advises older sufferers with knee ache to see their physician.

“If you have got knee ache, do not simply brush it off or attribute it to age,” she mentioned. “We noticed a larger fee of meniscus tears, notably in ladies aged 40 and over.”

Extra co-authors embody Shivani Ahlawat, MD, and Laura M. Fayad, MD