We conclude that CSF diversion reduces visual decline and improves visual acuity. Unfortunately, headache remained in the majority of patients and low-pressure headache frequently complicated surgery. Over half of the patients required shunt revision with the majority of these requiring multiple revisions. We suggest that CSF shunting should be conducted as a last resort in those with otherwise untreatable, rapidly declining vision. Alternative treatments, such as weight reduction, may be more effective with less associated morbidity.
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In the pre-MR era syringomyelia often presented late, as a crippling neurological disorder. Today, most cases are diagnosed earlier, with less pronounced deficits. We are therefore presented with new challenges, including understanding the significance of various presenting symptoms, knowing when surgery might help and being aware of other treatments that could benefit someone living with the effects of syringomyelia, or its underlying cause.
In patients with clinically suspected SAH but who have negative or questionable CT findings, CSF analysis is likely to be negative in the vast majority of cases, which was 91% in our series. In patients yielding positive or equivocal CSF results the likelihood of an aneurysm being detected is low, amounting to three out of 68 or approximately one in 23 (approximately 4%). Overall in suspected SAH cases where CT scan has been negative, the rate for the detection of cerebral aneurysm is three out of 796 cases (0.4%).
Syringomyelia patients report physiotherapy to provide benefits for symptom management and quality of life. Such findings suggest that established rehabilitation techniques in more common conditions may be transferable to those less prevalent. Uptake of physiotherapy was limited, seemingly because of inadequate information, knowledge and resources. To address these deficiencies, further studies should be planned investigating the effectiveness of physiotherapy modalities, such as hydrotherapy, in parallel or in conjunction with surgery and/or pharmacology. Additionally, syringomyelia could be represented alongside similar pathologies in research trials to initiate further research questions and drivers for funding.
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