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Sutureless Versus Stented Valve in Aortic Valve Replacement in Patients With Small Annulus

Overview of attention for article published in The Annals of Thoracic Surgery, March 2016
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Title
Sutureless Versus Stented Valve in Aortic Valve Replacement in Patients With Small Annulus
Published in
The Annals of Thoracic Surgery, March 2016
DOI 10.1016/j.athoracsur.2016.01.003
Pubmed ID
Authors

Amjad Shalabi, Dan Spiegelstein, Leonid Sternik, Micha S. Feinberg, Alexander Kogan, Shany Levin, Boris Orlov, Eyal Nachum, Alexander Lipey, Ehud Raanani

Abstract

Aortic valve replacement, particularly in elderly patients with small aortic annulus, could lead to patient-prosthesis mismatch. Sutureless bioprosthesis could be an ideal solution for these patients. We compared results of aortic valve replacement with sutureless versus stented bioprosthetic valves. Of the 63 patients undergoing aortic valve replacement with sutureless bioprosthesis between 2011 and 2014 in our department, 22 (20 women, 77 ± 6 years) had a small annulus less than 21 mm (sutureless group). They were matched for sex, age, body surface area, and left ventricular ejection fraction with 22 patients (20 women, 79 ± 6 years) undergoing stented bioprosthesis valve replacement (stented group). Body mass index and body surface area were 28 ± 5 kg/m(2) and 28 ± 3 kg/m(2) (p = 0.9), 1.6 ± 0.2 m(2) and 1.6 ± 0.1 m(2) (p = 0.9), in the sutureless and stented groups, respectively. Logistic EuroSCOREs were similar between groups. Postoperative peak transvalvular gradient was lower in the sutureless group (15 ± 7 mm Hg versus 20 ± 11 mm Hg; p = 0.02). The indexed effective orifice area was greater in the sutureless group (1.12 ± 0.2 cm(2)/m(2) versus 0.82 ± 0.1 cm(2)/m(2); p < 0.05). Aortic cross-clamp and cardiopulmonary bypass times were 47 ± 21 and 67 ± 15 minutes, respectively (p < 0.05) in the sutureless group versus 70 ± 22 and 85 ± 21 minutes, respectively (p = 0.02) in the stented group. Intensive care unit stay, hospitalization, and major complications were not significantly different between groups. At follow-up, regression of left ventricular hypertrophy was better in the sutureless group (93 ± 21 g/m(2) versus 106 ± 14 g/m(2); p = 0.02). Sutureless bioprosthetic valves demonstrate improved hemodynamic performance compared with stented valves in elderly patients with small aortic annulus, providing better regression of left ventricular hypertrophy and decreased rates of patient-prosthesis mismatch. Aortic cross-clamp and cardiopulmonary bypass times are also decreased.

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Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 41 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Belgium 1 2%
Unknown 40 98%

Demographic breakdown

Readers by professional status Count As %
Researcher 7 17%
Student > Bachelor 5 12%
Student > Ph. D. Student 4 10%
Other 3 7%
Professor 3 7%
Other 10 24%
Unknown 9 22%
Readers by discipline Count As %
Medicine and Dentistry 24 59%
Unspecified 2 5%
Veterinary Science and Veterinary Medicine 1 2%
Decision Sciences 1 2%
Environmental Science 1 2%
Other 0 0%
Unknown 12 29%
Attention Score in Context

Attention Score in Context

This research output has an Altmetric Attention Score of 3. This is our high-level measure of the quality and quantity of online attention that it has received. This Attention Score, as well as the ranking and number of research outputs shown below, was calculated when the research output was last mentioned on 15 April 2016.
All research outputs
#14,914,476
of 25,374,647 outputs
Outputs from The Annals of Thoracic Surgery
#5,456
of 8,320 outputs
Outputs of similar age
#154,369
of 314,789 outputs
Outputs of similar age from The Annals of Thoracic Surgery
#42
of 122 outputs
Altmetric has tracked 25,374,647 research outputs across all sources so far. This one is in the 40th percentile – i.e., 40% of other outputs scored the same or lower than it.
So far Altmetric has tracked 8,320 research outputs from this source. They typically receive a little more attention than average, with a mean Attention Score of 6.4. This one is in the 33rd percentile – i.e., 33% of its peers scored the same or lower than it.
Older research outputs will score higher simply because they've had more time to accumulate mentions. To account for age we can compare this Altmetric Attention Score to the 314,789 tracked outputs that were published within six weeks on either side of this one in any source. This one has gotten more attention than average, scoring higher than 50% of its contemporaries.
We're also able to compare this research output to 122 others from the same source and published within six weeks on either side of this one. This one has gotten more attention than average, scoring higher than 65% of its contemporaries.