4-finger technique for retrograde cardioplegia cannula insertion
Walid Hammad · 2026
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Description
Walid Hammad presents a four-finger touch method to place a heart protection tube during heart surgery, in a study from two thousand twenty-six. The tube feeds a guard fluid backward through a heart vein, but some surgeons struggle to find the vein mouth by feel. Each finger is set to a fixed landmark so the hand maps the target groove.
Two hundred adult patients were treated with the method in a row. First-try success hit ninety-four percent, and mean time fell as surgeons learned. Brief drops in blood pressure or heart rate hit a few early cases and cleared fast. No case switched to open viewing. Readers get a simple hand skill with a short learning curve.
Catalog record
| CREATOR | Walid Hammad |
|---|---|
| YEAR | 2026 |
| COLLECTION | PAPERS |
| FORMAT | TXT |
| FILE SIZE | 29 KB |
| VERSION | 1.0 |
| LICENSE | CC BY 4.0 |
| RIGHTS | CC BY |
| SOURCE | Europe PMC |