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Updated: Jul 18, 2026

Using a Knee Arthrometer to Evaluate Tissue-specific Contributions to Knee Flexion Contracture in the Rat
Published on: November 9, 2018
[Ehlers-Danlos syndrome with concomitant joint contractures]
Tadeusz Lejman1, Bartłomiej Kowalczyk
1Oddział Ortopedyczno-Urazowy, Katedra Chirurgii Pediattycznej, Wydział Lekarski Uniwersytetu Jagiellońskiego.
Ehlers-Danlos syndrome (EDS) can present with joint contractures, including clubfeet. Some cases show recurrence after surgery, suggesting distinct EDS forms requiring tailored treatment approaches.
Area of Science:
- Pediatric Orthopedics
- Clinical Genetics
- Connective Tissue Disorders
Background:
- Ehlers-Danlos syndrome (EDS) is a group of inherited disorders affecting connective tissues.
- Joint contractures are a less common but significant manifestation in some EDS patients.
- Understanding the spectrum of joint involvement in EDS is crucial for effective management.
Observation:
- Six pediatric patients with Ehlers-Danlos syndrome and joint contractures were analyzed.
- Three patients presented with bilateral clubfeet and additional flexion contractures (hip, knee, wrist).
- Two patients had isolated clubfeet, one with successful surgery and another with hypercorrection.
- One patient exhibited knee recurvatum deformity, managed conservatively.
Findings:
- Recurrences of clubfoot contractures after initial soft tissue surgery were observed in 3/6 patients.
- One patient with isolated clubfeet experienced hypercorrection post-surgery.
- Conservative management was successful for knee recurvatum in one patient.
- These findings suggest potential variations in EDS presentation and surgical outcomes.
Implications:
- The study speculates on two potential EDS subtypes associated with joint contractures: a mild form with isolated clubfeet and a severe form resembling arthrogryposis multiplex congenita.
- Surgical interventions for clubfeet in EDS may require careful consideration due to risks of recurrence or overcorrection.
- Further research is warranted to delineate these EDS subtypes and optimize treatment strategies.
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