The importance of preoperative selection of patients for achievement of better postoperative results in basal ganglia surgery has been repeatedly emphasized in the past publications.1-4 It is the purpose of this paper to substantiate the empirically formulated conceptions concerning the selection of Parkinsonian patients for surgery and also to study the factors influencing the outcome of surgical treatment.
Design of Study
Four groups of patients were selected for this study, and their surgical results were compiled and compared. The first group were the patients with tremor, rigidity, and motor dysfunction confined to extremities of one side. They were called unilateral Parkinsonism, though some of them could not so be designated in a strict sense, owing to the facioaxial symptoms. The second group were patients who had mild Parkinsonian symptoms or those with moderate symptoms either unilateral or bilateral, but fully self-sufficient and actively employed. All of the patients in
LIN TH, DIERSSEN G, MINGRINO S, COOPER IS. Relationship Between Candidacy and Outcome in Surgery for Parkinsonism. Arch Neurol. 1960;3(3):267–270. doi:10.1001/archneur.1960.00450030045004
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