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Troublesome heterotopic ossification and stroke: Features and risk factors. A case control study
François Genêt1, Kambiz Minooee, Claire Jourdan
1Department of Physical Medicine and Rehabilitation, Hôpital Raymond Poincaré , Garches , France .
Haemorrhagic stroke may increase the risk of heterotopic ossification (HO) after stroke. Further research is needed to confirm if this risk is independent of other factors.
Area of Science:
- Neurology
- Orthopedics
- Rehabilitation Medicine
Background:
- Heterotopic ossification (HO) is the abnormal formation of bone in soft tissues.
- Stroke is a potential risk factor for developing HO, impacting patient recovery.
- Understanding HO features and risk factors post-stroke is crucial for clinical management.
Purpose of the Study:
- To characterize stroke-related HO in a large patient cohort.
- To investigate whether hemorrhagic stroke elevates the risk of HO development compared to ischemic stroke.
Main Methods:
- A case-control study design was employed for retrospective analysis.
- Included 61 patients with troublesome HO post-stroke (cases) and 244 matched controls without HO.
- Matching criteria included age and sex; data on stroke type and time to surgery were recorded.
Main Results:
- A significant association was observed between hemorrhagic stroke and HO development (OR=3.01).
- No significant relationship was found for ischemic stroke.
- This association lost statistical significance after adjusting for matching and other risk factors (adjusted OR=1.98).
Conclusions:
- Hemorrhagic stroke appears to be a potential risk factor for HO post-stroke.
- Further investigation is warranted to ascertain the independence of this risk factor from comorbid conditions.
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