What is the clinical evidence from this study?

Study design: Observational. Population: Aortic stenosis or aortic regurgitation (n=229). Intervention: Aortic regurgitation vs. Aortic stenosis. Primary outcome: Mechanical and histological properties of the aortic wall (media disruption and degeneration) (p=<0.001).

What question did this study set out to answer?

To evaluate and compare the mechanical strength and histological characteristics of the aortic wall in patients undergoing surgery for aortic stenosis versus aortic regurgitation.

March 7, 2013European Journal of Cardio-Thoracic SurgeryOpen Access

Is there any difference in aortic wall quality between patients with aortic stenosis and those with regurgitation?†

Q: What are the key findings of this study?

Aortic regurgitation was associated with increased aortic media disruption (P<0.001) and a higher incidence of aortic aneurysm (37.2% vs 8.1%, P<0.01) compared with aortic stenosis.

Q: What question did this study set out to answer?

To evaluate and compare the mechanical strength and histological characteristics of the aortic wall in patients undergoing surgery for aortic stenosis versus aortic regurgitation.

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Key result

Aortic regurgitation was associated with increased aortic media disruption (P<0.001) and a higher incidence of aortic aneurysm (37.2% vs 8.1%, P<0.01) compared with aortic stenosis.

Why the study?

Does aortic regurgitation associate with worse mechanical and histological properties of the aortic wall compared to aortic stenosis in patients undergoing aortic valve surgery?

Population

229 patients operated on for primary aortic valve pathology, specifically aortic stenosis or aortic…

Comparison

Aortic regurgitation vs Aortic stenosis (as the comparison group)

Design

Cross-sectional

Authors

JBJaroslav Benedı́kCharles University KPKevin PilarzcykWest German Heart and Vascular Center Essen DWDaniel WendtCardiac Surgery

Discussion

Member takes

Implication

May support closer aortic scrutiny in regurgitation; leaves open whether it alters surgical thresholds.

Key Points

To evaluate and compare the mechanical strength and histological characteristics of the aortic wall in patients undergoing surgery for aortic stenosis versus aortic regurgitation.
Ascending aortic wall specimens were collected from 229 surgical patients (mean age 67.5 ± 11.0 years) presenting with aortic stenosis (n = 135) or aortic regurgitation (n = 94).
Specimens underwent mechanical stress testing and postoperative histological examination to assess tissue cohesion, media disruption, and structural degeneration across varying aortic diameters.
Aortic regurgitation was associated with a significantly higher incidence of aortic media disruption (P < 0.001) and media degeneration (P < 0.001) compared to aortic stenosis.
The frequency of aortic aneurysm (diameter ≥50 mm) was significantly elevated in aortic regurgitation compared to stenosis (35 vs 11 patients, P < 0.01).
Aortic wall cohesion was significantly better preserved in vessels <40 mm compared to those with moderate dilatation of 40–49 mm (P = 0.009) or aneurysms ≥50 mm (P = 0.002).

Study Design

Type

Observational (n=229)

Structured PICO

Does aortic regurgitation associate with worse mechanical and histological properties of the aortic wall compared to aortic stenosis in patients undergoing aortic valve surgery?

Population

229 patients (mean age 67.5 years) operated on for aortic stenosis or regurgitation who underwent mechanical stress testing and histological examination of the aortic wall.

Exposure

Aortic regurgitation (as the primary exposure group)

Comparator

Aortic stenosis (as the comparison group)

Outcome

Mechanical and histological properties of the aortic wall (including media disruption, media degeneration, and wall cohesion)surrogate

Main Result

p-value: p=<0.001

Patients undergoing surgery for aortic regurgitation have poorer mechanical and histological quality of the ascending aorta compared to those with aortic stenosis, which may inform surgical decision-making regarding the aorta.

Cite This Study

Benedı́k et al. (2013) conducted an observational in Aortic stenosis or aortic regurgitation (n=229). Aortic regurgitation vs. Aortic stenosis was evaluated on Mechanical and histological properties of the aortic wall (media disruption and degeneration) (p=<0.001). Aortic regurgitation was associated with increased aortic media disruption (P<0.001) and a higher incidence of aortic aneurysm (37.2% vs 8.1%, P<0.01) compared with aortic stenosis.

synapsesocial.com/papers/6a7d8ccd1ec832c82ccda23b https://doi.org/10.1093/ejcts/ezt123

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Is there any difference in aortic wall quality between patients with aortic stenosis and those with regurgitation?†

Discussion

Member takes

Implication

Key Points

Study Design

Structured PICO

Main Result

Cite This Study

Is there any difference in aortic wall quality between patients with aortic stenosis and those with regurgitation?†

Discussion

Member takes

Implication

Key Points

Study Design

Structured PICO

Main Result

Cite This Study

Also Consider

Also Consider