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Bernstein Medical - Center for Hair Restoration
Hair Restoration Answers

In Hair Transplant, What is Effect of Dense Packing on Grafts?

Q: Does dense packing hurt grafts? — P.L., Rye, NY

A: There is no absolute answer to this question. In a hair transplant, dense packing has a risk of decreasing yield if there is a significant amount of photo damage to the scalp (which alters the blood supply) and if there is a tendency for the grafts to pop (this is difficult to predict pre-operatively). Very closely spaced grafts exacerbates the popping and exposes the grafts to desiccation (drying), hypoxia (lack of oxygen) and mechanical trauma from the necessary re-insertion.

That said, the skill of the hair transplant surgeon and placing team, the size of the recipient sites, and the way the grafts are dissected and trimmed all play important roles in determining graft survival in dense packing.

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