Health economics and surgical treatment for Parkinson's disease in a world perspective: results from an international survey

• <b><i>Background:</i></b> Most studies in the field of neurosurgical treatment for movement disorders have been published by a small number of leading centers in developed countries. This study aimed to investigate the clinical practice of stereotactic neurosurgery for Parkinson's disease (PD) worldwide. <b><i>Methods:</i></b> Neurosurgeons were contacted via e-mail to participate in a worldwide survey. The results obtained are presented in order of the countries' economic development according to the World Bank, as well as by the source of financial support. <b><i>Results:</i></b> A total of 353 neurosurgeons from 51 countries who had operated on 13,200 patients in 2009 were surveyed. Surgical procedures performed in high-income countries were more commonly financed by a public health care system. In contrast, in lower-middle-income and upper-middle-income countries, patients frequently financed surgeries themselves, and ablative surgeries were most commonly performed. Unexpectedly, ablative surgery is still used by about 65% of neurosurgeons, regardless of their country's economic status. <b><i>Conclusions:</i></b> This study provides a previously unavailable picture of the surgical aspects of PD across the globe in relation to health economics and sociodemographic factors. Global educational and training programs are warranted to raise awareness of economically viable surgical options for PD that could be adopted by public health care systems in lower-income countries.

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