Deep brain stimulation for camptocormia in dystonia and Parkinson's disease.
Camptocormia, or "bent spine syndrome", may occur in various movement disorders such as primary dystonia or idiopathic Parkinson's disease (PD). Although deep brain stimulation (DBS) is an established treatment in refractory primary dystonia and advanced PD, few data are available on the effect of DBS on camptocormia comparing these two conditions. Seven patients (4 with dystonia, 3 with PD; mean age 60.3 years at surgery, range 39-73 years) with camptocormia were included in the study. Five patients underwent bilateral GPi DBS and two patients underwent bilateral STN DBS guided by CT-stereotactic surgery and microelectrode recording. Pre- and postoperative motor assessment included the BFM in the dystonia patients and the UPDRS in the PD patients. Severity of camptocormia was assessed by the BFM subscore for the trunk at the last available follow-up at a mean of 17.3 months (range 9-36 months). There were no surgical complications. In the four patients with dystonia there was a mean improvement of 53% in the BFM motor score (range 41-79%) and of 63% (range 50-67%) in the BFM subscore for the trunk at the last available follow-up (mean 14.3 months, range 9-18 months). In the three patients with camptocormia in PD who underwent bilateral STN DBS (2 patients) or pallidal DBS (1 patient), the PD symptoms improved markedly (mean improvement in the UPDRS motor subscore stimulation on/medication off 55%, range 49-61%), but there was no or only mild improvement of camptocormia in the two patients who underwent STN DBS, and only moderate improvement in the patient with GPi DBS at the last available follow-up (mean 21 months, range 12-36 months). GPi DBS is an effective treatment for camptocormia in dystonia. The response of camptocormia to chronic STN or GPi DBS in PD is more heterogenous. The latter may be due to a variety of causes and needs further clarification.
Capelle
Hans-Holger
HH
Department of Neurosurgery, Medical School Hannover, MHH, Carl-Neuberg-Straße 1, 30652, Hannover, Germany.
Schrader
Christoph
C
Blahak
Christian
C
Fogel
Wolfgang
W
Kinfe
Thomas M
TM
Baezner
Hansjoerg
H
Krauss
Joachim K
JK
D000328:Adult; D000368:Aged; D000978:Antiparkinson Agents / Q000627:therapeutic use; D046690:Deep Brain Stimulation; D004421:Dystonia / Q000150:complications / Q000628:therapy*; D004567:Electrodes, Implanted; D005260:Female; D005917:Globus Pallidus / Q000502:physiology; D006801:Humans; D017116:Low Back Pain / Q000209:etiology / Q000628:therapy; D008279:Magnetic Resonance Imaging; D008297:Male; D008875:Middle Aged; D009134:Muscular Atrophy, Spinal / Q000209:etiology / Q000601:surgery / Q000628:therapy; D019637:Orthopedic Procedures; D010147:Pain Measurement; D010300:Parkinson Disease / Q000150:complications / Q000628:therapy*; D013121:Spinal Curvatures / Q000209:etiology / Q000601:surgery / Q000628:therapy; D020531:Subthalamic Nucleus / Q000502:physiology; D014057:Tomography, X-Ray Computed; D016896:Treatment Outcome
D000978:Antiparkinson Agents
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