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In-hospital resource utilization in surgical and transcatheter aortic valve replacement

Overview of attention for article published in BMC Cardiovascular Disorders, October 2015
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Title
In-hospital resource utilization in surgical and transcatheter aortic valve replacement
Published in
BMC Cardiovascular Disorders, October 2015
DOI 10.1186/s12872-015-0118-x
Pubmed ID
Authors

Jochen Reinöhl, Klaus Kaier, Anja Gutmann, Stefan Sorg, Constantin von zur Mühlen, Matthias Siepe, Hardy Baumbach, Martin Moser, Annette Geibel, Andreas Zirlik, Philipp Blanke, Werner Vach, Friedhelm Beyersdorf, Christoph Bode, Manfred Zehender

Abstract

Little is known about preoperative predictors of resource utilization in the treatment of high-risk patients with severe symptomatic aortic valve stenosis. We report results from the prospective, medical-economic "TAVI Calculation of Costs Trial". In-hospital resource utilization was evaluated in 110 elderly patients (age ≥ 75 years) treated either with transfemoral (TF) or transapical (TA) transcatheter aortic valve implantation (TAVI, N = 83), or surgical aortic valve replacement (AVR, N = 27). Overall, 22 patient-specific baseline parameters were tested for within-group prediction of resource use. Baseline characteristics differed between groups and reflected the non-randomized, real-world allocation of treatment options. Overall procedural times were shortest for TAVI, intensive care unit (ICU) length of stay (LoS) was lowest for AVR. Length of total hospitalization since procedure (THsP) was lowest for TF-TAVI; 13.4 ± 11.4 days as compared to 15.7 ± 10.5 and 21.2 ± 15.4 days for AVR and TA-TAVI, respectively. For TAVI and AVR, EuroScore I remained the main predictor for prolonged THsP (p <0.01). Within the TAVI group, multivariate regression analyses showed that TA-TAVI was associated with a substantial increase in THsP (55 to 61 %, p <0.01). Additionally, preoperative aortic valve area (AVA) was identified as an independent predictor of prolonged THsP in TAVI patients, irrespective of risk scores (p <0.05). Our results demonstrate significant heterogeneity in patients baseline characteristics dependent on treatment and corresponding differences in resource utilization. Prolonged ThsP is not only predicted by risk scores but also by baseline AVA, which might be useful in stratifying TAVI patients. German Clinical Trial Register Nr. DRKS00000797.

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Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 52 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Unknown 52 100%

Demographic breakdown

Readers by professional status Count As %
Student > Master 9 17%
Student > Bachelor 6 12%
Other 4 8%
Student > Ph. D. Student 4 8%
Student > Doctoral Student 3 6%
Other 7 13%
Unknown 19 37%
Readers by discipline Count As %
Medicine and Dentistry 22 42%
Nursing and Health Professions 3 6%
Engineering 3 6%
Economics, Econometrics and Finance 1 2%
Psychology 1 2%
Other 1 2%
Unknown 21 40%
Attention Score in Context

Attention Score in Context

This research output has an Altmetric Attention Score of 1. 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 08 June 2016.
All research outputs
#15,377,214
of 22,876,619 outputs
Outputs from BMC Cardiovascular Disorders
#839
of 1,618 outputs
Outputs of similar age
#166,028
of 283,358 outputs
Outputs of similar age from BMC Cardiovascular Disorders
#16
of 34 outputs
Altmetric has tracked 22,876,619 research outputs across all sources so far. This one is in the 22nd percentile – i.e., 22% of other outputs scored the same or lower than it.
So far Altmetric has tracked 1,618 research outputs from this source. They receive a mean Attention Score of 3.9. This one is in the 34th percentile – i.e., 34% 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 283,358 tracked outputs that were published within six weeks on either side of this one in any source. This one is in the 32nd percentile – i.e., 32% of its contemporaries scored the same or lower than it.
We're also able to compare this research output to 34 others from the same source and published within six weeks on either side of this one. This one is in the 35th percentile – i.e., 35% of its contemporaries scored the same or lower than it.