New instrument. Secure grip. Barycenter of the instrument is the surgeon's hands. Many different tips with different functions. Elimination of the bayonet-like shape. Handle bent in the horizontal plane to avoid interference with the surgeon's hands and to allow the distal, thin part of the instrument to be used safely and comfortably.
In patients with INPH showing short duration of symptoms, prevalence of gait disturbance, and slight mental impairment, ETV provides similar results to those of shunting. We suggest performing ETV in these patients and reserving shunting only for those who do not improve after ETV, despite the presence of cerebrospinal fluid flow through the ventriculostomy on MRI flow studies. The good results after ETV in our series indirectly confirm that the cerebrospinal fluid absorption is good or at least sufficient in selected patients with INPH.
Hypertrophic anterior cervical osteophytes have been reported as a cause of dysphagia, with about 100 cases described in the literature; on the other hand, chronic or acute dyspnea due to edema of the laryngeal inlet or bilateral vocal cord adduction-fixation is rare. We report a 57-year-old patient with a 2-year history of dysphagia and episodic dyspnea, who suffered sudden, severe respiratory distress necessitating emergency tracheotomy. A voluminous anterior cervical osteophyte at the C5 level was diagnosed by computed tomography (CT) and barium swallow test and removed by an anterior approach to the cervical spine, with clinical remission. The incidence, pathogenetic mechanisms, radiological diagnosis, and surgical indications of anterior cervical osteophytes associated with dysphagia and dyspnea are discussed. We advise examining cervical spine patients with dysphagia and/or dyspnea by radiography and CT when other investigations are not conclusive for a digestive or respiratory pathology.
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