Key result
Complex subaortic stenosis lesions were associated with a lower 5-year freedom from reoperation rate compared to simple lesions after surgical resection (52.3% vs 66.7%; p=0.036).
Why the study?
Subaortic stenosis is a rare congenital heart disease of the LVOT with lesions ranging from isolated to diffuse, prompting a need to describe patient characteristics across lesion types and analyze risk factors for reoperation.
What are the characteristics and risk factors for reoperation in patients with simple versus complex subaortic stenosis undergoing surgical resection?
Cohort (n=65)
No
What are the characteristics and risk factors for reoperation in patients with simple versus complex subaortic stenosis undergoing surgical resection?
Absolute Event Rate: 52.3% vs 66.7%
p-value: p=0.036
Surgical resection of subaortic stenosis is effective, but reoperation is common, particularly in patients with complex lesions.
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Subaortic lesion complexity was associated with reoperation risk; extends single-center observations but leaves open prospective validation.
Cao et al. (2021) conducted a cohort in Subaortic stenosis (n=65). Complex subaortic stenosis lesion vs. Simple subaortic stenosis lesion was evaluated on Freedom from reoperation at 5 years (p=0.036). Complex subaortic stenosis lesions were associated with a lower 5-year freedom from reoperation rate compared to simple lesions after surgical resection (52.3% vs 66.7%; p=0.036).
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