Predicting early graft patency using transit-time flow measurement in internal thoracic artery-based composite coronary artery bypass grafting
Min-Seok Kim, Cheol Ho Lee, Seong Wook Hwang, Ki-Bong Kim · 2026
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Description
Min-Seok Kim and three colleagues tested in 2026 whether flow measurements during bypass surgery predict early graft patency in composite grafts. They studied 274 patients receiving chest artery-based composite grafts, recording flow, pulse variation, diastolic filling, and backward flow at each of 894 connections, then checking patency on early scans.
Most connections were perfectly patent, with about a tenth shared in each direction and only three blocked. All four flow measures differed across groups, and meeting all four cutoffs predicted perfect patency with 91.8 percent accuracy and functional patency with 97.3 percent. Cutoffs held across left and right sides. Flow measurement offers surgeons practical thresholds for on-table decisions.
Catalog record
| CREATOR | Min-Seok Kim, Cheol Ho Lee, Seong Wook Hwang, Ki-Bong Kim |
|---|---|
| YEAR | 2026 |
| COLLECTION | PAPERS |
| FORMAT | TXT |
| FILE SIZE | 29 KB |
| VERSION | 1.0 |
| LICENSE | CC BY 4.0 |
| RIGHTS | CC BY |
| SOURCE | Europe PMC |