Tag: Sinking skin flap syndrome

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Novel Temporary Treatment for a Severe Case of Syndrome of Trephined

World Neurosurg. (2018) 120:200-204

Syndrome of the trephined is a unique neurosurgical condition that is seen in patients that have undergone craniectomy. While the symptoms of the condition range from mild to severe, the only definitive treatment for the condition is replacement of the bone flap. This article presents a novel, temporary treatment for syndrome of the trephined in a patient with severe symptoms who was unable to undergo immediate cranioplasty due to infection.

CASE DESCRIPTION: A 25-year-old gentleman with a history of trauma resulting in hydrocephalus, craniectomy, and eventually ventriculoperitoneal shunt placement presented with a cranial wound infection requiring removal of his bone flap. While being treated with antibiotics, with his bone flap removed, he developed severe syndrome of the trephined. An emergency bedside procedure was developed and executed to treat his condition.

CONCLUSIONS: Treating syndrome of the trephined with an external suction device proved useful and lifesaving fort the patient presented. Such a device can be made with common supplies found within any hospital. The technique used to treat the patient is novel and may be useful for others to consider if ever faced with a similar situation.

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Effects of Cranioplasty on Cerebral Blood Flow Following Decompressive Craniectomy

Neurosurgery 81:204–216, 2017

Cranioplasty after decompressive craniectomy (DC) is routinely performed for reconstructive purposes and has been recently linked to improved cerebral blood flow (CBF) and neurological function.

OBJECTIVE: To systematically review all available literature to evaluate the effect of cranioplasty on CBF and neurocognitive recovery.

METHODS: A PubMed, Google Scholar, and MEDLINE search adhering to Preferred Reporting Items for Systematic Reviews and Meta-Analyses guidelines included studies reporting patients who underwent DC and subsequent cranioplasty in whom cerebral hemodynamics were measured before and after cranioplasty.

RESULTS: The search yielded 21 articles with a total of 205 patients (range 3–76 years) who underwent DC and subsequent cranioplasty. Two studies enrolled 29 control subjects for a total of 234 subjects. Studies used different imaging modalities, including CT perfusion (n = 10), Xenon-CT (n = 3), single-photon emission CT (n = 2), transcranial Doppler (n = 6), MR perfusion (n = 1), and positron emission tomography (n = 2). Precranioplasty CBF evaluation ranged from 2 days to 6 months; postcranioplasty CBF evaluation ranged from 7 days to 6 months. All studies demonstrated an increase in CBF ipsilateral to the side of the cranioplasty. Nine of 21 studies also reported an increase in CBF on the contralateral side.Neurological function improved in an overwhelming majority of patients after cranioplasty.

CONCLUSION: This systematic review suggests that cranioplasty improves CBF following DC with a concurrent improvement in neurological function. The causative impact of CBF on neurological function, however, requires further study.

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