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Computed Tomography-Guided Risk Assessment in Percutaneous Lead Extraction.


ABSTRACT:

Objectives

The aim of this study was to assess if pre-procedural computed tomography (CT) could identify high-risk operative features and predict increased procedural complexity.

Background

Unpredictable lead adhesions can make lead extraction complicated. Adhesions are known to affect leads with longer indwelling time but can unpredictably affect newer leads.

Methods

Consecutive patients who had CTs performed ≤90 days before their planned lead extraction (LE) were included. CTs were reviewed blinded to outcome according to a preset checklist. The outcome was a combined endpoint of procedural complexity and major complications.

Results

Between January 1, 2015 and July 1, 2018, 143 patients underwent CT and LE. Median age was 68 years (interquartile range [IQR]: 54.4 to 76.5), and 35% were female. Median age of extracted leads was 111 months, and 126 (43%) were >10 years. CT detected lead perforation ≥5 mm (n = 13), <5 mm (n = 55), severe lead adhesions (n = 65), leads touching vessel wall >1 cm (n = 102), lead fracture (n = 8), and severe ipsilateral venous stenosis/occlusion (n = 36). The procedure was complex in 63 cases. There were 2 deaths, and 6 major complications. Patients with severe lead adhesions had more complex procedures (n = 36 vs 29; p = 0.04), whereas none of the other findings on CT were significantly associated with worse outcome. In patients with leads that had an indwelling time <10 years (n = 72), severe lead adhesions on CT was associated with worse outcome in multivariable analysis (odds ratio: 6.4; 95% confidence interval: 1.4 to 30.2; p = 0.02).

Conclusions

Pre-procedural CT can be used to locate severe lead adhesions in patients planned for lead extraction. In patients with indwelling leads <10 years, pre-procedural CT aids in identifying patients prone to complex extractions.

SUBMITTER: Svennberg E 

PROVIDER: S-EPMC7718020 | biostudies-literature | 2019 Dec

REPOSITORIES: biostudies-literature

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Publications

Computed Tomography-Guided Risk Assessment in Percutaneous Lead Extraction.

Svennberg Emma E   Jacobs Kathleen K   McVeigh Elliot E   Pretorius Victor V   Birgersdotter-Green Ulrika U  

JACC. Clinical electrophysiology 20191127 12


<h4>Objectives</h4>The aim of this study was to assess if pre-procedural computed tomography (CT) could identify high-risk operative features and predict increased procedural complexity.<h4>Background</h4>Unpredictable lead adhesions can make lead extraction complicated. Adhesions are known to affect leads with longer indwelling time but can unpredictably affect newer leads.<h4>Methods</h4>Consecutive patients who had CTs performed ≤90 days before their planned lead extraction (LE) were included  ...[more]

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