orbital floor fracture with entrapment

Superior orbital fissure or orbital apex syndromes. The globe usually does not rupture and the resultant force is transmitted throughout the orbit causing a fracture of the orbital floor.

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. Twenty-nine orbital floor fractures were identified. The bony fragments of the fracture then return to their. Orbital floor fractures may be managed non-operatively if they are small and do not result in functional impairment of the eye.

Most commonly the inferior orbital wall ie. Or ocular hypertension caused by decreased orbital volume refractory to medical. Blow-out fracture of the medial orbital wall with entrapment of the medial rectus musc le.

Extraocular muscle entrapment in a nondisplaced orbital fracture although a well-known entity in pediatric trauma is atypical in adults. Acute indications within 24 hours for repair are ocular entrapment. This study reviews the clinical findings radiologic findings and interpretations preoperative and postoperative ocular motility and outcomes in this subset of orbital fracture patients treated.

1 In the linear fracture type a break occurs in the bones of the orbital floor that permits orbital tissue the inferior rectus muscle or the inferior periorbital fat to prolapse into the fracture site during fracture formation. Extraocular muscle entrapment in a nondisplaced orbital fracture although a well-known entity in pediatric trauma is atypical in adults. These fractures occur with minimal trauma and few external signs of injury.

Plast Reconstr Surg 197963 0 by Thering HR Add To MetaCart. It can present with a triad of bradycardia nausea and in. Another point is that the preseptal and postseptal orbital emphysema is usually seen in orbital medial wall blow-out fracture and orbital fat entrapment can also lead to enophthalmos and.

Seventeen percent of patients had entrapment of the inferior rectus. The positive predictive value of nauseavomiting with a trapdoor fracture for entrapment was 833 P 0002 Fisher exact test. An orbital blowout fracture is a traumatic deformity of the orbital floor or medial wall typically resulting from impact of a blunt object larger than the orbital aperture or eye socket.

It can present with a triad of bradycardia nausea and in rare cases syncope and result in severe fibrosis of damaged and incarcerated muscle. The linear and the hinged fracture types. Orbital floor fractures were recognized in 29 of 30 cases using only the 28 Caldwell and Waters views.

Trap door orbital floor blowout fractures are classified into 2 types. Routine tomography is unnecessary and should be reserved as a. Linear nondisplaced orbital floor fractures with muscle entrapment occur in the pediatric population.

There are several reasons to repair blowout fractures. 1 mobilize obviously entrapped extraocular muscles in cases presenting with positive forced ductions and severe subjective diplopia 2 mobilize a large volume of herniated orbital fat back into the orbit in order to return the globe to its preinjury location in cases where greater than 2mm of enophthalmos and or. Orbital floor fractures may result when a blunt object which is of equal or greater diameter than the orbital aperture strikes the eye.

The case illustrates the remarkable inferior rectus muscle entrapment within the fracture gap of the right orbit floor which can lead to muscle necrosis and is a kind of ophthalmology emergency. A subclass of orbital fracture with entrapment is the so-called. The presence of the oculocardiac reflex.

The floor is likely to collapse because the bones of the roof and lateral walls are robust. One fourth of the children had nauseavomiting and half had trapdoor fractures. Although the bone forming the medial wall is thinnest it is.

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