Is there a group of early surgery aneurysmal SAH patients who can expect to achieve a complete long-term neuropsychological recovery?

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Abstract
There is a significant controversy regarding the effect of early surgical intervention for microsurgical aneurysm clipping on long-term cognitive recovery. Although new strategies in surgical and medical management have progressively reduced the morbidity and mortality rates related to subarachnoid haemorrhage (SAH), the overall quality of life of aneurysm patients has been reported to remain unsatisfactory. In fact, even in the presence of a good neurological recovery following an aneurysmal SAH, patients may show persistent emotional and psychological disturbances. The aim of this study was to analyse the long-term cognitive, neuropsychological and emotional status of a group of patients, subjected to early surgery aneurysm treatment, and having SAH characteristics generally considered predictive of a favourable outcome. Patients were submitted to a complete battery of neuropsychological tests designed to assess a full range of cognitive and attentional functions. The results of the neuropsychological evaluation did not detect evidence of any significant cognitive deterioration as compared to control volunteers and to the published age-adjusted test norms. These results indicate that early aneurysm surgery, coupled with modern microneurosurgical techniques and aggressive medical management is associated with a good neurological outcome and a full recovery of cognitive, neuropsychological and emotional performances in a subset of patients with favourable clinical characteristics.