Self-quitting in a Spanish sample. An exploratory study. / Autoabandono del tabaco en una muestra española. Un estudio exploratorio.

Letter to the editor.

Se pretende realizar con el presente estudio, un análisis exploratorio de variables que puedan ayudar a explicar el éxito o fracaso en cesación tabáquica mediante autoabandono. El presente estudio obtuvo el informe favorable de la Comisión de Bioética de la Universidad de Almería, cuyo número de referencia es UALBIO2011/025. Los participantes del estudio se consiguieron mediante anuncios en prensa y radio y centros de salud, se les realizó una entrevista dirigida al registro de distintas variables relacionadas con el consumo de tabaco, edad de inicio, edad de abandono, años de uso del tabaco, número de cigarrillos al día y dependencia nicotínica.

Neuropsychological assessment protocol in an ongoing randomized controlled trial on posterior subthalamic area vs. ventral intermediate nucleus deep brain stimulation for essential tremor.

Objective: Patients with essential tremor (ET) may experience cognitive-affective impairment. Deep brain stimulation (DBS) of different targets, such as the ventral intermediate nucleus (VIM) of the thalamus or the posterior subthalamic area (PSA), has been shown to be beneficial for refractory ET. However, there is little evidence regarding the possible neuropsychological effects of PSA-DBS on patients with ET, and there are few studies comparing it with VIM-DBS in this population.In this study, we aim to present the evaluation protocol and neuropsychological battery as used in an ongoing trial of DBS for ET comparing the already mentioned targets. Methods: As part of a randomized, double-blind, crossover clinical trial comparing the effectiveness and safety of PSA-DBS vs. VIM-DBS, 11 patients with refractory ET will undergo a multi-domain neuropsychological battery assessment. This will include a pre-/post-implantation assessment (3 months after the stimulation of each target and 6 months after an open stage of DBS on the most optimal target). Conclusion: Evidence on the neuropsychological effects of DBS in patients with refractory ET is very scarce, particularly in lesser-explored targets such as PSA. This study could contribute significantly in this field, particularly on pre-procedure safety analysis for tailored patient/technique selection, and to complete the safety analysis of the procedure. Moreover, if proven useful, this proposed neuropsychological assessment protocol could be extensible to other surgical therapies for ET.

Balance Ability and Occupational Performance in Patients With Parkinson's Disease and On-Medication-State Freezing of Gait.

PURPOSE: The aim of this study was to examine balance ability and occupational performance in patients with Parkinson's disease (PD) and on-medication-state freezing of gait (FOG). DESIGN: A cohort study with three groups was conducted. METHODS: Seven patients with PD and on-medication-state FOG with optimized pharmacological therapy; seven patients with PD matched by age, gender, length of time since diagnosis, and Hoehn and Yahr stage; and seven controls were included. Outcomes included balance and occupational performance. Nonparametric analyses were used. FINDINGS: Significant differences were found between the two subgroups of patients with PD in the Timed Up & Go Test when adding a cognitive task, dual-task interference, and self-confidence in balance. CONCLUSIONS: Patients with PD and on-medication-state FOG had lower scores on dual-task interference and self-confidence than matched PD patients. CLINICAL RELEVANCE: The assessment and rehabilitation approach for patients with PD and on-medication-state FOG should include balance confidence and dual-task interference.