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Intraoperative intraorbital bleeding: considerations from a collaborative and retrospective Italian study with a management algorithm proposal

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I. Dallan - M. Picariello - G. Fiacchini - R. Canevari - M. Rigante - E. Pasquini - E. Emanuelli - E. Alexandre - L. Cristofani-Mencacci - P. Castelnuovo

Background: Intraoperative intraorbital bleeding is a rare but potentially catastrophic event that can lead even to blindness, if not treated promptly. The goal of surgery is to quickly reduce intraorbital pressure thus restoring normal visual function. Aim of our work is to propose a practical algorithm helping the surgeon in the setting of this critical event.
Methodology: An Italian multi-institutional retrospective study was conducted. All the cases of intraoperative intra-orbital bleeding requiring at least some form of surgical management were analyzed. Cases simply managed conservatively were excluded from this analysis.
Results: Sixteen cases were collected. Of these, 12 were initially treated with a medial wall orbital decompression, while 4 were treated via a lateral canthotomy and inferior cantholysis (LCC). Ten patients recovered completely. Four patients presented post-op sequelae (diplopia, enophthalmous and/or eyelid malpositioning). Two major negative outcomes (blindness) were observed.
Conclusions: Timely surgical intervention is critical. According to the setting in which the bleeding occurs, different options are available. LCC is probably the most rapid maneuver that can be done to reduce intraorbital pressure. Anyway, if the patient is still in the OR and a complete ethmoidectomy yet done we advise, as first step, to perform a medial orbital wall decompression.

Rhinology 0-0: 0-0, 0000

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