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Decision support system for the planning of minimally invasive aortic valve replacement surgery.

Abstract：

PURPOSE:Minimally invasive aortic valve replacement (MIAVR) procedures remain more complex and technically challenging compared to conventional full sternotomy surgery. This technique involves a restricted surgical field and a limited workspace, which is, at present, strictly reserved for the most experienced surgeons. The MIAVR clinical outcomes are strongly dependent on the appropriate choice of the thoracic incision. This work presents a decision support system to optimize, through an interactive visualization interface, the exposure of the target structure in a limited field of view. METHODS:Our approach is based on the computation of relevant anatomical measurements from preoperative CT images, and it takes into account the surgical guidelines in order to propose the surgical access that best fits the patient's morphology. RESULTS:The proposed planning system was applied and tested on 30 datasets from patients affected by severe aortic stenosis for validation purposes. We evaluated the accuracy of the automatic detections and the measurements calculated by the system with those chosen manually by the expert. CONCLUSIONS:In 87% of thirty cases, the surgical strategy proposed by the decision support system was correct. For the remaining cases, the graphical user interface (GUI) allowed the user to manually adjust the anatomical features.

journal_name

Int J Comput Assist Radiol Surg

journal_title

International journal of computer assisted radiology and surgery

authors

Li H,Castro M,Haigron P,Verhoye JP,Ruggieri VG

doi

10.1007/s11548-018-1725-7

subject

Has Abstract

pub_date

2018-08-01 00:00:00

pages

1245-1255

issue

8

eissn

1861-6410

issn

1861-6429

pii

10.1007/s11548-018-1725-7

journal_volume

13

pub_type

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