Interplay between speech and gait variables in Parkinson's disease patients treated with subthalamic nucleus deep brain stimulation: A long‐term instrumental assessment

Author:

Cavallieri Francesco12ORCID,Gessani Annalisa3,Merlo Andrea4ORCID,Campanini Isabella4ORCID,Budriesi Carla3ORCID,Fioravanti Valentina1,Di Rauso Giulia13,Feletti Alberto56,Damiano Benedetta4,Scaltriti Sara4,Guagnano Noemi4,Bardi Elisa3,Corni Maria Giulia3,Antonelli Francesca3,Cavalleri Francesca7,Molinari Maria Angela3,Contardi Sara8,Menozzi Elisa9ORCID,Puzzolante Annette6,Vannozzi Giuseppe10ORCID,Bergamini Elena10ORCID,Pavesi Giacomo6,Fraix Valérie11,Meoni Sara11,Fraternali Alessandro12,Versari Annibale12,Lusuardi Mirco13ORCID,Biagini Giuseppe14ORCID,Pinto Serge15,Moro Elena11ORCID,Valzania Franco1ORCID

Affiliation:

1. Neurology Unit, Neuromotor & Rehabilitation Department Azienda USL‐IRCCS di Reggio Emilia Reggio Emilia Italy

2. Clinical and Experimental Medicine PhD Program University of Modena and Reggio Emilia Modena Italy

3. Neurology Unit, Department of Neuroscience S. Agostino Estense Hospital, Azienda Ospedaliero‐Universitaria di Modena Modena Italy

4. LAM‐Motion Analysis Laboratory, Neuromotor & Rehabilitation Department Azienda USL‐IRCCS di Reggio Emilia, S. Sebastiano Hospital Correggio Italy

5. Department of Neurosciences, Biomedicine, and Movement Sciences, Institute of Neurosurgery University of Verona Verona Italy

6. Neurosurgery Unit Azienda Ospedaliero‐Universitaria of Modena, Ospedale Civile Baggiovara (OCB) Hospital Modena Italy

7. Division of Neuroradiology, Department of Neuroscience Azienda Ospedaliero‐Universitaria of Modena, OCB Hospital Modena Italy

8. IRCCS Istituto delle Scienze Neurologiche di Bologna, Neurologia e Rete Stroke Metropolitana, Ospedale Maggiore Bologna Italy

9. Department of Clinical and Movement Neurosciences UCL Queen Square Institute of Neurology London UK

10. Laboratory of Bioengineering and Neuromechanics of Movement, Department of Movement, Human and Health Sciences University of Rome “Foro Italico” Rome Italy

11. Univ. Grenoble Alpes, Inserm, U1216, CHU Grenoble Alpes Grenoble Institut Neurosciences, Neurology Department Grenoble France

12. Nuclear Medicine Unit Azienda Unità Sanitaria Locale IRCCS Reggio Emilia Italy

13. Neuromotor & Rehabilitation Department Azienda USL‐IRCCS di Reggio Emilia Reggio Emilia Italy

14. Department of Biomedical, Metabolic and Neural Sciences University of Modena and Reggio Emilia Modena Italy

15. Aix‐Marseille University, CRNS, LPL Aix‐en‐Provence France

Abstract

AbstractObjectiveTo evaluate correlations between speech and gait parameters in the long term and under different medication and subthalamic nucleus deep brain stimulation (STN‐DBS) conditions in a cohort of advanced Parkinson's disease (PD) patients.MethodsThis observational study included consecutive PD patients treated with bilateral STN‐DBS. Axial symptoms were evaluated using a standardized clinical‐instrumental approach. Speech and gait were assessed by perceptual and acoustic analyses and by the instrumented Timed Up and Go (iTUG) test, respectively. Disease motor severity was evaluated with the total score and subscores of the Unified Parkinson's Disease Rating Scale (UPDRS) Part III. Different stimulation and drug treatment conditions were assessed: on‐stimulation/off‐medication, off‐stimulation/off‐medication, and on‐stimulation/on‐medication.ResultsTwenty‐five PD patients with a 5‐year median follow‐up after surgery (range 3–7 years) were included (18 males; disease duration at surgery: 10.44 [SD 4.62] years; age at surgery: 58.40 [SD 5.73] years). In the off‐stimulation/off‐medication and on‐stimulation/on‐medication conditions, patients who spoke louder had also the greater acceleration of the trunk during gait; whereas in the on‐stimulation/on‐medication condition only, patients with the poorer voice quality were also the worst to perform the sit to stand and gait phases of the iTUG. Conversely, patients with the higher speech rate performed well in the turning and walking phases of the iTUG.ConclusionsThis study underlines the presence of different correlations between treatment effects of speech and gait parameters in PD patients treated with bilateral STN‐DBS. This may allow us to better understand the common pathophysiological basis of these alterations and to develop a more specific and tailored rehabilitation approach for axial signs after surgery.

Publisher

Wiley

Subject

Neurology (clinical),Neurology

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