Galeal Suture with Vicryl
For galeal closure, use 2-0 Vicryl (polyglactin 910) with interrupted sutures to ensure secure approximation of this critical fascial layer.
Suture Size and Material
The galea aponeurotica is a tough fascial layer that requires adequate tensile strength for proper healing and to prevent wound dehiscence. Based on surgical principles for fascial closure:
- Size: 2-0 Vicryl is the standard choice for galeal closure 1
- Material: Slowly absorbable polyglactin 910 (Vicryl) provides sustained tensile strength during the critical healing period
- The galea requires stronger suture than skin (which typically uses 4-0 to 5-0) due to its structural role and tension
Technique Recommendations
Use interrupted sutures rather than continuous technique for the galea:
- Interrupted sutures provide more secure closure of this high-tension layer
- They prevent the "zipper effect" where failure of one suture compromises the entire closure
- Each suture independently maintains wound approximation
Key technical points:
- Place sutures approximately 5-8mm apart
- Include only the galeal layer (avoid incorporating periosteum below or subcutaneous tissue above)
- Ensure adequate bite depth (3-5mm from wound edge) for secure tissue purchase
- Tie knots with appropriate tension to approximate without strangulating tissue
Rationale for Slowly Absorbable Material
While the provided guidelines focus on abdominal fascia, the same principles apply to galeal closure 2:
- Slowly absorbable sutures (like standard Vicryl) maintain 50-75% tensile strength at 2-3 weeks
- This extended support is critical for the galea, which experiences significant tension from scalp movement
- Rapidly absorbable materials (like Vicryl Rapide) are inappropriate for the galea—reserve these for skin closure only
Common Pitfalls to Avoid
- Don't use Vicryl Rapide for the galea—this rapidly absorbable material loses strength too quickly for fascial closure
- Don't use continuous technique—the galea requires the security of interrupted sutures
- Don't use smaller sutures (3-0 or finer)—insufficient strength for this layer
- Don't skip galeal closure—proper approximation prevents dead space and reduces hematoma risk
The scalp's rich vascularity means rapid closure minimizes blood loss 1, but never compromise secure galeal approximation for speed.