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Echocardiographic predictors of recoarctation following surgical repair – a Swedish national study

Weismann, Constance G. LU orcid ; Grell, Bernhard LU ; Odermarsky, Michal LU orcid ; Mellander, Mats and Liuba, Petru LU (2021) In Annals of Thoracic Surgery 111(4). p.1380-1386
Abstract
Background
Following surgical repair of aortic coarctation (CoA) there is a risk for restenosis (reCoA), particularly in the first year of life. It was the aim of this study to identify reCoA risk factors by analyzing postoperative pre-discharge echocardiograms.
Methods
Retrospective analysis of echocardiograms of children born operated for CoA in Sweden 2011-2017.
Results
253 children were included; median age at surgery 10 days; median follow-up 4.6 years. ReCoA occurred in 34 patients (13%; 74% by 6 months, 91% by 12 months). We generated two reCoA risk models applying a) aortic dimensions and b) the respective Z-scores combined with surgical and demographic factors. We defined reCoA risk categories as low (≤10%),... (More)
Background
Following surgical repair of aortic coarctation (CoA) there is a risk for restenosis (reCoA), particularly in the first year of life. It was the aim of this study to identify reCoA risk factors by analyzing postoperative pre-discharge echocardiograms.
Methods
Retrospective analysis of echocardiograms of children born operated for CoA in Sweden 2011-2017.
Results
253 children were included; median age at surgery 10 days; median follow-up 4.6 years. ReCoA occurred in 34 patients (13%; 74% by 6 months, 91% by 12 months). We generated two reCoA risk models applying a) aortic dimensions and b) the respective Z-scores combined with surgical and demographic factors. We defined reCoA risk categories as low (≤10%), moderate (11-29%), moderate-high (30-49%) and high (≥50%). Patients with a) isthmus ≤3.3mm (1- and 5-year event free survival 38 and 32%) or b) isthmus Z-score ≤-2.8 with a weight at surgery <4.4kg (1- and 5-year event free survival 21 and 16%) were at highest risk for reCoA. Conversely, patients at low risk had a) isthmus >3.7mm and distal aortic arch >3.5mm (1- and 5-year event free survival 97 and 97%), and b) isthmus and proximal aortic arch Z-score >-2.8 or operative weight >4.4kg with an isthmus Z-score <=-2.8 with (1- and 5-year event free survival 97 and 97%).
Conclusion
ReCoA risk can be predicted based on postoperative pre-discharge echocardiographic variables in combination with surgical and demographic factors. We suggest tailoring follow-up intervals individually according to the predicted reCoA risk. (Less)
Abstract (Swedish)
Background: Following surgical repair of aortic coarctation (CoA) there is a risk for restenosis (reCoA), particularly in the first year of life. It was the aim of this study to identify reCoA risk factors by analyzing postoperative pre-discharge echocardiograms.
Methods: Retrospective analysis of echocardiograms of children born operated for CoA in Sweden 2011-2017.
Results: 253 children were included; median age at surgery 10 days; median follow-up 4.6 years. ReCoA occurred in 34 patients (13%; 74% by 6 months, 91% by 12 months). We generated two reCoA risk models applying a) aortic dimensions and b) the respective Zscores combined with surgical and demographic factors. We defined reCoA risk categories as low (<10%), moderate... (More)
Background: Following surgical repair of aortic coarctation (CoA) there is a risk for restenosis (reCoA), particularly in the first year of life. It was the aim of this study to identify reCoA risk factors by analyzing postoperative pre-discharge echocardiograms.
Methods: Retrospective analysis of echocardiograms of children born operated for CoA in Sweden 2011-2017.
Results: 253 children were included; median age at surgery 10 days; median follow-up 4.6 years. ReCoA occurred in 34 patients (13%; 74% by 6 months, 91% by 12 months). We generated two reCoA risk models applying a) aortic dimensions and b) the respective Zscores combined with surgical and demographic factors. We defined reCoA risk categories as low (<10%), moderate (11-29%), moderate-high (30-49%) and high (>50%). Patients with
a) isthmus >3.3mm (1- and 5-year event free survival 38 and 32%) or b) isthmus Z-score >- 2.8 with a weight at surgery <4.4kg (1- and 5-year event free survival 21 and 16%) were at
highest risk for reCoA. Conversely, patients at low risk had a) isthmus >3.7mm and distal aortic arch >3.5mm (1- and 5-year event free survival 97 and 97%), and b) isthmus and proximal aortic arch Z-score >-2.8 or operative weight >4.4kg with an isthmus Z-score <=-2.8 with (1- and 5-year event free survival 97 and 97%).
Conclusion: ReCoA risk can be predicted based on postoperative pre-discharge
echocardiographic variables in combination with surgical and demographic factors. We
suggest tailoring follow-up intervals individually according to the predicted reCoA risk. (Less)
Please use this url to cite or link to this publication:
author
; ; ; and
organization
publishing date
type
Contribution to journal
publication status
published
subject
in
Annals of Thoracic Surgery
volume
111
issue
4
pages
1380 - 1386
publisher
Elsevier
external identifiers
  • pmid:32619613
  • scopus:85099653781
ISSN
0003-4975
DOI
10.1016/j.athoracsur.2020.05.062
language
English
LU publication?
yes
id
09acc315-8b89-4c91-85e7-7318c9e9d0e8
date added to LUP
2020-07-01 15:18:48
date last changed
2022-08-02 13:12:11
@article{09acc315-8b89-4c91-85e7-7318c9e9d0e8,
  abstract     = {{Background<br>
Following surgical repair of aortic coarctation (CoA) there is a risk for restenosis (reCoA), particularly in the first year of life. It was the aim of this study to identify reCoA risk factors by analyzing postoperative pre-discharge echocardiograms.<br>
Methods<br>
Retrospective analysis of echocardiograms of children born operated for CoA in Sweden 2011-2017.<br>
Results<br>
253 children were included; median age at surgery 10 days; median follow-up 4.6 years. ReCoA occurred in 34 patients (13%; 74% by 6 months, 91% by 12 months). We generated two reCoA risk models applying a) aortic dimensions and b) the respective Z-scores combined with surgical and demographic factors. We defined reCoA risk categories as low (≤10%), moderate (11-29%), moderate-high (30-49%) and high (≥50%). Patients with a) isthmus ≤3.3mm (1- and 5-year event free survival 38 and 32%) or b) isthmus Z-score ≤-2.8 with a weight at surgery &lt;4.4kg (1- and 5-year event free survival 21 and 16%) were at highest risk for reCoA. Conversely, patients at low risk had a) isthmus &gt;3.7mm and distal aortic arch &gt;3.5mm (1- and 5-year event free survival 97 and 97%), and b) isthmus and proximal aortic arch Z-score &gt;-2.8 or operative weight &gt;4.4kg with an isthmus Z-score &lt;=-2.8 with (1- and 5-year event free survival 97 and 97%).<br>
Conclusion<br>
ReCoA risk can be predicted based on postoperative pre-discharge echocardiographic variables in combination with surgical and demographic factors. We suggest tailoring follow-up intervals individually according to the predicted reCoA risk.}},
  author       = {{Weismann, Constance G. and Grell, Bernhard and Odermarsky, Michal and Mellander, Mats and Liuba, Petru}},
  issn         = {{0003-4975}},
  language     = {{eng}},
  number       = {{4}},
  pages        = {{1380--1386}},
  publisher    = {{Elsevier}},
  series       = {{Annals of Thoracic Surgery}},
  title        = {{Echocardiographic predictors of recoarctation following surgical repair – a Swedish national study}},
  url          = {{http://dx.doi.org/10.1016/j.athoracsur.2020.05.062}},
  doi          = {{10.1016/j.athoracsur.2020.05.062}},
  volume       = {{111}},
  year         = {{2021}},
}