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When a fluid encounters a solid surface, a boundary layer forms due to the interaction between the fluid's motion and the stationary surface. This phenomenon is characterized by a thin region adjacent to the surface where viscous forces dominate, influencing the fluid's velocity profile. The development of the boundary layer begins at the leading edge of the surface and evolves as the fluid moves downstream.As the fluid flows over the surface, friction between the fluid and the wall slows down...
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The study of external flow is essential for creating structures and objects that interact efficiently and safely with moving fluids, such as air or water. When a body is immersed in a flowing fluid, it experiences two primary forces: drag, which opposes motion along the flow direction, and lift, which acts perpendicular to the flow. The shape, size, and orientation of the object influence these forces.Streamlined and Blunt Bodies in External FlowObjects in fluid flow are classified as...
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Engineered Vascularized Muscle Flap
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Flap Basics III: Interpolated Flaps.

Lauren K Reckley1, Jessica J Peck2, Scottie B Roofe3

  • 1Otolaryngology-Head and Neck Surgery, Tripler Army Medical Center, Honolulu, HI, USA.

Facial Plastic Surgery Clinics of North America
|July 6, 2017
PubMed
Summary
This summary is machine-generated.

Paramedian forehead and melolabial flaps offer excellent midface reconstruction after Mohs surgery. These interpolated flaps provide superior tissue match and robust blood supply, though multistage procedures can be a drawback.

Keywords:
Interpolated flapsMelolabial flapNasal alaNasal dorsumParamedian forehead flap

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Area of Science:

  • Plastic Surgery
  • Dermatology
  • Reconstructive Surgery

Background:

  • Mohs surgery for facial skin cancer often requires complex reconstruction.
  • Interpolated flaps are a common reconstructive technique in facial plastic surgery.
  • Paramedian forehead and melolabial flaps are frequently utilized for midface defects.

Purpose of the Study:

  • To evaluate the efficacy of paramedian forehead and melolabial interpolated flaps for midface reconstruction.
  • To highlight the advantages and disadvantages of these flap types.

Main Methods:

  • Review of interpolated flap techniques in facial plastic surgery.
  • Analysis of tissue match, donor site defects, blood supply, and procedural stages.
  • Comparison of paramedian forehead and melolabial flaps.

Main Results:

  • These flaps offer excellent tissue match (thickness, texture, color) for midface reconstruction.
  • Donor sites have minimal defects, and facial landmarks are preserved.
  • A robust blood supply (axial or random) supports flap viability.
  • The primary disadvantage is the potential need for multistage procedures.

Conclusions:

  • Paramedian forehead and melolabial interpolated flaps are highly effective for midface reconstruction post-Mohs surgery.
  • Their advantages include superior tissue integration and preservation of facial aesthetics.
  • Patient selection may be influenced by the requirement for staged procedures.