Early Sternal Bone Healing after Thermoreactive Nitinol Flexigrip Sternal Closure

Purpose: Thermoreactive nitinol Flexigrip has been developed to ensure better fixation than conventional wire closure. To verify the advantage of Flexigrip over the conventional wiring, we compared early sternal bone healing on computed tomography (CT).Methods: A prospective cohort study enrolled th...

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Bibliographic Details
Published in:Annals of Thoracic and Cardiovascular Surgery 2022, Vol.28(6), pp.429-437
Main Authors: Takami, Yoshiyuki, Maekawa, Atsuo, Yamana, Koji, Akita, Kiyotoshi, Amano, Kentaro, Sakurai, Yusuke, Takagi, Yasushi
Format: Article
Language:English
Subjects:
Bone Wires
Flexigrip
gap
Humans
offset
Original
Pain
Prospective Studies
sternal closure
Sternotomy - adverse effects
Sternotomy - methods
Sternum - diagnostic imaging
Sternum - surgery
Surgical Wound Dehiscence
Treatment Outcome
wiring
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Summary:Purpose: Thermoreactive nitinol Flexigrip has been developed to ensure better fixation than conventional wire closure. To verify the advantage of Flexigrip over the conventional wiring, we compared early sternal bone healing on computed tomography (CT).Methods: A prospective cohort study enrolled the first consecutive 80 patients with wiring and the second consecutive 44 patients undergoing Flexigrip sternal closure. The primary endpoint was sternal healing evaluated quantitatively using a 6-point scale and measured gaps/offsets of the sternal halves at 6 levels on CT scans on the 14th postoperative day. Secondary endpoints included pain scores and sternal complications 1 month after surgery.Results: Compared with the patients of wiring, those who received Flexigrips showed higher 6-point scores at most sternum levels, less frequent gaps (52% vs 70%, p = 0.04), lower offsets (3.3 ± 0.9 mm vs 4.3 ± 0.7 mm, p
ISSN:1341-1098
2186-1005
DOI:10.5761/atcs.oa.22-00150