Five year follow-up of unilateral posteroventral pallidotomy in Parkinson’s disease
Identifieur interne : 000139 ( Pmc/Corpus ); précédent : 000138; suivant : 000140Five year follow-up of unilateral posteroventral pallidotomy in Parkinson’s disease
Auteurs : Adriana Strutt ; Eugene Lai ; Joseph Jankovic ; Farah Atassi ; Elizabeth Soety ; Harvey Levin ; Robert Grossman ; Michele YorkSource :
- Surgical neurology [ 0090-3019 ] ; 2008.
Abstract
Neurocognitive outcome research of individuals with Parkinson’s disease following unilateral pallidotomy is inconsistent. While some studies reported few cognitive changes, other investigations have more consistently shown both transient and long-term cognitive decline postoperatively.
We report the long-term motor and neurocognitive outcome 5 years post-surgery for 18 Parkinson’s disease patients (12 men and 6 woman; all right-handed) who underwent right or left unilateral posteroventral pallidotomy.
Pallidotomy patients revealed long-term motor benefits from the surgery in their “off’ state and control of dopa-induced dyskinesias in their “on” state, which is consistent with previous research. We found mild declines in oral and visuo-motor information processing speed, verbal recognition memory, and mental status 5 years after surgery, which differs from previous literature regarding the long-term neurocognitive outcome following pallidotomy. Differences between the right and left pallidotomy patients for both motor and cognitive skills were not found.
Although deep brain stimulation is presently the treatment of choice, pallidotomy continues to be performed around the world. Consequently, while unilateral pallidotomy should be considered a treatment option for Parkinson’s disease patients who suffer from severe unilateral disabling motor symptoms or dyskinesias, the long-term neurocognitive outcome should also be considered in treatment decisions.
Url:
DOI: 10.1016/j.surneu.2008.03.039
PubMed: 18514283
PubMed Central: 2735757
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