Orbital Floor Fracture Inferior Rectus Entrapment

Intervention within days for some orbital floor fractures.

Orbital floor fracture inferior rectus entrapment.

They can be repaired without an implant in some. A blowout fracture of the orbital floor is defined as a fracture of the orbital floor in which the inferior orbital rim is intact. Inferior blowout fractures are the most common. Head and neck trauma exam with special attention to.

The most common entrapment is that of the inferior rectus muscle in a fractured floor. Orbital fractures are typically caused by blunt periocular trauma and are one of the most common types of facial fractures. Blowout fracture of the orbital floor with entrapment caused by isolated trauma to the orbital rim. Lateral to the orbital canal lies the superior orbital fissure housing cranial nerves iii iv v and vi.

3 the intermuscular septum may also be entrapped resulting in restriction. However we present a unique case of an inferior rectus muscle entrapment in a medial orbital wall fracture. Ophthal plast reconstr surg. The most common muscle to be entrapped by the fracture is the inferior rectus muscle.

Orbital floor fractures often result from blunt trauma to the orbit. Fracture of the orbital floor also known as a blow out fracture can result in entrapment of the inferior rectus muscle limiting upward gaze. Rhee js kilde j yoganadan n pintar f. Fractures of the orbital floor are common.

In children they tend to be of the trapdoor type which can cause inferior rectus entrapment presenting clinically with limitation of upgaze nausea bradycardia and positive forced ductions. For example a fracture might be described as a pure inferior blowout fracture with likely entrapment of the inferior rectus muscle resulting in severely limited up gaze. Blowout fractures can occur through one or more of the orbital walls. Inferior floor medial wall lamina papyracea superior roof lateral wall.