In the realm of therapeutic horseback riding one becomes aware of the idiosyncratic way in which each unique individual depicts his or her experience of a therapeutic riding endeavor. This study focuses on the meanings attributed to therapeutic riding in the lives of children with cerebral palsy because the complementary use of horses in therapy with these children may be of great importance to the medical fraternity. This exploration investigated the influence of the children's relationship with a horse, and the parents' perception of horseriding as a complementary therapy to occupational- and physiotherapy. The theoretical background and a literature review on therapeutic horseback riding and cerebral palsy were presented in this study. This study followed a holistic, ecosystemic epistemology. Both a qualitative approach and a quantitative approach were adopted as two complementary sides of a more encompassing whole and provided rich descriptions of the context and research process. / Psychology / M.A. (Clinical Psychology)

Parkinson's disease is the most recurrent movement disorder and has a radical effect on the lives of people. This chronic neurological disorder is accompanied by a significant social and financial burden with a negative brunt on sufferers' quality of life. The main cause of Parkinson's disease is still unknown, however, the main goal of existing treatment for Parkinson's disease is to improve the patient's quality of life and ability to go about as normally and easily as possible. The general objective of this study was to investigate the prescribing patterns of medicine items used in Parkinson's disease and other movement disorders associated with Parkinson's disease, as well as the cost associated with the medication in a section of the private health care sector of South Africa. A quantitative, retrospective drug utilisation review (DUR) study was performed according to data obtained from a medicine claims database, of a South African pharmacy benefit management company (PBM) for four consecutive years (i.e. 2005 to 2008). Of all patients on the total database 0.26% (n = 3 993) were Parkinson's disease patients in 2005 (N = 1 509 621), 0.28% (n = 4 423) in 2006 (N = 1 558 090), 0.34% (n = 4 028) in 2007 (N = 1 178 596) and 0.42% (n = 4 072) in 2008 (N = 974 497). Female Parkinson's disease patients were between 56% and 60% of all Parkinson's disease patients from 2005 to 2008. According to age groups, Parkinson's disease patients had the highest representation in age group five (70 80 years) and age group six (> 80 years). In total the number of Parkinson's disease prescriptions claimed through the PMB accounted for 0.3% from 2005 to 2007 and 0.4% in 2008 of all prescriptions claimed on the database. From 2005 (N = R1 819 865 251) to 2008 (N = R1 785 871 013) Parkinson's disease expenditures represented 0.6% (2005, n = R10 459 835; 2006, n = R11 320 616; 2007, n = 11 040 596; 2008, n = 10 697 155) of the total database's prescription expenditure. The female gender and patients of 70 years and older, presented with the highest number of prescriptions claimed and also with the highest costs within the specific age and gender groups. In 2005 the medicine treatment expenditure for a year's Parkinson's disease treatment was approximately R2 619 R4 179, decreasing with 2% to R2 559 R4 237 in 2006, from thereon increasing with 7% to R2 740 R 4 337 in 2007, decreasing again with 4% to R 2 627 R4 424 in 2008. Medicine item analyses indicated that dopaminergic medicine items were the most frequently used antiparkinson medicine items from 2005 to 2008. Carbidopa/levodopa containing medicine items were most frequently claimed throughout the study period. The average cost per tablet increased from 2005 to 2008, with the most expensive tablets during the four–year study period indicated as, Tasmar® 100 mg tab and Permax® 1 mg tab. The PDD of all antiparkinson medicine items appeared intact. There were only two medicine items that indicated a PDD, above the maximum daily dosage, namely Permax® 1 mg tablets and Tasmar® 100 mg tablets. The frequencies of medicine items prescribed in combination decreased rather drastically with an increase of medicine items per prescription throughout the study period. CNS medicine items prescribed together with antiparkinson medicine items per prescription often occurred. The highest frequencies encountered in combination with antiparkinson medicine items were found to include the antidepressants, hypnotics, antipsychotics and anxiolytic medicine items. A majority of antiparkinson medicine items (53.50%, n = 4 691) had low refill–adherence rates below 90% and were therefore unacceptable. These accounted for 41.62% (n = R16 398 512) of the total cost (N = R39 402 898) of all antiparkinson medicine items included in this study. Only 36.78% (n = 3 225) of antiparkinson medicine items had acceptable refill–adherence rates between 90% and 110%. Those with unacceptably high refill–adherence rates accounted for 9.72% (n = 852) of all antiparkinson medicine items and represented 6.5% (n = R2 574 597) of the total cost. Conclusion: It can be concluded that even though antiparkinson medicine items are used by only a small percentage of the total patient population in a section of the private health care sector of South Africa, they are expensive and bear implications for the patient as well as medical schemes. Good prescribing patterns were adhered to, with the exception of the poor refill–adherence of antiparkinsons medication items. / Thesis (M.Pharm. (Pharmacy Practice))--North-West University, Potchefstroom Campus, 2011.

Parkinson's disease is the most recurrent movement disorder and has a radical effect on the lives of people. This chronic neurological disorder is accompanied by a significant social and financial burden with a negative brunt on sufferers' quality of life. The main cause of Parkinson's disease is still unknown, however, the main goal of existing treatment for Parkinson's disease is to improve the patient's quality of life and ability to go about as normally and easily as possible. The general objective of this study was to investigate the prescribing patterns of medicine items used in Parkinson's disease and other movement disorders associated with Parkinson's disease, as well as the cost associated with the medication in a section of the private health care sector of South Africa. A quantitative, retrospective drug utilisation review (DUR) study was performed according to data obtained from a medicine claims database, of a South African pharmacy benefit management company (PBM) for four consecutive years (i.e. 2005 to 2008). Of all patients on the total database 0.26% (n = 3 993) were Parkinson's disease patients in 2005 (N = 1 509 621), 0.28% (n = 4 423) in 2006 (N = 1 558 090), 0.34% (n = 4 028) in 2007 (N = 1 178 596) and 0.42% (n = 4 072) in 2008 (N = 974 497). Female Parkinson's disease patients were between 56% and 60% of all Parkinson's disease patients from 2005 to 2008. According to age groups, Parkinson's disease patients had the highest representation in age group five (70 80 years) and age group six (> 80 years). In total the number of Parkinson's disease prescriptions claimed through the PMB accounted for 0.3% from 2005 to 2007 and 0.4% in 2008 of all prescriptions claimed on the database. From 2005 (N = R1 819 865 251) to 2008 (N = R1 785 871 013) Parkinson's disease expenditures represented 0.6% (2005, n = R10 459 835; 2006, n = R11 320 616; 2007, n = 11 040 596; 2008, n = 10 697 155) of the total database's prescription expenditure. The female gender and patients of 70 years and older, presented with the highest number of prescriptions claimed and also with the highest costs within the specific age and gender groups. In 2005 the medicine treatment expenditure for a year's Parkinson's disease treatment was approximately R2 619 R4 179, decreasing with 2% to R2 559 R4 237 in 2006, from thereon increasing with 7% to R2 740 R 4 337 in 2007, decreasing again with 4% to R 2 627 R4 424 in 2008. Medicine item analyses indicated that dopaminergic medicine items were the most frequently used antiparkinson medicine items from 2005 to 2008. Carbidopa/levodopa containing medicine items were most frequently claimed throughout the study period. The average cost per tablet increased from 2005 to 2008, with the most expensive tablets during the four–year study period indicated as, Tasmar® 100 mg tab and Permax® 1 mg tab. The PDD of all antiparkinson medicine items appeared intact. There were only two medicine items that indicated a PDD, above the maximum daily dosage, namely Permax® 1 mg tablets and Tasmar® 100 mg tablets. The frequencies of medicine items prescribed in combination decreased rather drastically with an increase of medicine items per prescription throughout the study period. CNS medicine items prescribed together with antiparkinson medicine items per prescription often occurred. The highest frequencies encountered in combination with antiparkinson medicine items were found to include the antidepressants, hypnotics, antipsychotics and anxiolytic medicine items. A majority of antiparkinson medicine items (53.50%, n = 4 691) had low refill–adherence rates below 90% and were therefore unacceptable. These accounted for 41.62% (n = R16 398 512) of the total cost (N = R39 402 898) of all antiparkinson medicine items included in this study. Only 36.78% (n = 3 225) of antiparkinson medicine items had acceptable refill–adherence rates between 90% and 110%. Those with unacceptably high refill–adherence rates accounted for 9.72% (n = 852) of all antiparkinson medicine items and represented 6.5% (n = R2 574 597) of the total cost. Conclusion: It can be concluded that even though antiparkinson medicine items are used by only a small percentage of the total patient population in a section of the private health care sector of South Africa, they are expensive and bear implications for the patient as well as medical schemes. Good prescribing patterns were adhered to, with the exception of the poor refill–adherence of antiparkinsons medication items. / Thesis (M.Pharm. (Pharmacy Practice))--North-West University, Potchefstroom Campus, 2011.

The thesis research aims to further the study of human-robot interaction (HRI) issues, especially regarding the development of an assistive robot designed to help individuals possessing motor impairments. In particular, individuals with amyotrophic lateral sclerosis (ALS), represent a potential user population that possess an array of motor impairment due to the progressive nature of the disease. Through review of the literature, an initial target for robotic assistance was determined to be object retrieval and delivery tasks to aid with dropped or otherwise unreachable objects, which represent a common and significant difficulty for individuals with limited motor capabilities. This thesis research has been conducted as part of a larger, collaborative project between the Georgia Institute of Technology and Emory University. To this end, we developed and evaluated a semi-autonomous mobile healthcare service robot named EL-E. I conducted four human studies involving patients with ALS with the following objectives: 1) to investigate and better understand the practical, everyday needs and limitations of people with severe motor impairments; 2) to translate these needs into pragmatic tasks or goals to be achieved through an assistive robot and reflect these needs and limitations into the robot's design; 3) to develop practical, usable, and effective interaction mechanisms by which the impaired users can control the robot; and 4) and to evaluate the performance of the robot and improve its usability. I anticipate that the findings from this research will contribute to the ongoing research in the development and evaluation of effective and affordable assistive manipulation robots, which can help to mitigate the difficulties, frustration, and lost independence experienced by individuals with significant motor impairments and improve their quality of life.

In the realm of therapeutic horseback riding one becomes aware of the idiosyncratic way in which each unique individual depicts his or her experience of a therapeutic riding endeavor. This study focuses on the meanings attributed to therapeutic riding in the lives of children with cerebral palsy because the complementary use of horses in therapy with these children may be of great importance to the medical fraternity. This exploration investigated the influence of the children's relationship with a horse, and the parents' perception of horseriding as a complementary therapy to occupational- and physiotherapy. The theoretical background and a literature review on therapeutic horseback riding and cerebral palsy were presented in this study. This study followed a holistic, ecosystemic epistemology. Both a qualitative approach and a quantitative approach were adopted as two complementary sides of a more encompassing whole and provided rich descriptions of the context and research process. / Psychology / M.A. (Clinical Psychology)

Hintergrund Mit dem ParkinsonNetzwerk Ostsachsen (PANOS) soll ein intersektorales, pfadbasiertes und plattformunterstütztes Versorgungskonzept etabliert werden, um trotz steigender Behandlungszahlen eine flächendeckende Parkinson-Versorgung mit adäquaten Therapien zu unterstützen. Fragestellung Welche Barrieren könnten die Akzeptanz und eine erfolgreiche Verstetigung des PANOS-Behandlungspfades gefährden? Methode Implementierungsbarrieren wurden über eine selektive Literaturrecherche identifiziert und in einer Onlinebefragung von 36 projektassoziierten Neurolog*innen und Hausärzt*innen priorisiert. Die Auswertung der Ergebnisse erfolgte anonymisiert und deskriptiv. Ergebnisse Dreizehn mögliche Implementierungsbarrieren wurden identifiziert. Es nahmen 11 Neurolog*innen und 7 Hausärzt*innen an der Onlineumfrage teil. Die befragten Neurolog*innen sahen in Doppeldokumentationen sowie in unzureichender Kommunikation und Kooperation zwischen den Leistungserbringenden die größten Hindernisse für eine Akzeptanz von PANOS. Hausärzt*innen beurteilten u. a. die restriktiven Verordnungs- und Budgetgrenzen und den möglicherweise zu hohen Zeitaufwand für Netzwerkprozesse als hinderlich. Diskussion Doppeldokumentationen von Patienten- und Behandlungsdaten sind zeitintensiv und fehleranfällig. Die Akzeptanz kann durch adäquate finanzielle Kompensation der Leistungserbringenden erhöht werden. Das hausärztliche Verordnungsverhalten könnte durch die Verwendung interventionsbezogener Abrechnungsziffern positiv beeinflusst werden. Die Ergebnisse zeigen u. a. einen Bedarf an integrativen technischen Systemlösungen und sektorenübergreifenden Dokumentationsstrukturen, um den Mehraufwand für Leistungserbringende zu reduzieren. Schlussfolgerung Eine Vorabanalyse der Einflussfaktoren von PANOS sowie die Sensibilisierung aller mitwirkenden Akteure für potenzielle Barrieren sind entscheidend für die Akzeptanz des Versorgungsnetzwerkes. Gezielte Maßnahmen zur Reduzierung und Vermeidung identifizierter Barrieren können die anwenderseitige Akzeptanz erhöhen und die Behandlungsergebnisse optimieren. / Introduction The ParkinsonNetwork Eastern Saxony (PANOS) aims to establish an intersectoral, path-based and platform-supported care concept in order to support comprehensive care with adequate therapies despite the increasing number of patients to be treated. Objective Which barriers may limit the acceptance and successful implementation of PANOS? Methods Implementation barriers were identified through a selective literature review and prioritized in an online survey of 36 project-associated neurologists and general practitioners. The results were analyzed anonymously and descriptively. Results Thirteen potential implementation barriers were identified. Eleven neurologists and seven general practitioners participated in the online survey. The surveyed neurologists assessed double documentation and inadequate communication and cooperation between the service providers as the biggest obstacles to the acceptance of PANOS. General practitioners rated the restrictions for prescription and budget and the potentially high time expenditure required for network activities as barriers. Discussion Double documentation of patient and treatment data is time consuming and prone to errors. Adequate financial compensation could increase service providers’ willingness to participate in such measures. In addition, the prescribing behavior of general practitioners may be influenced positively by the use of intervention-related accounting numbers. The results indicate a need for integrative technical system solutions and intersectoral documentation structures in order to reduce the additional effort for service providers. Conclusion Analyzing the influencing factors of the PANOS network, and raising the awareness of all participating service providers to potential barriers, are decisive measures for the acceptance of the care network. Targeted measures to reduce and avoid identified barriers can increase user acceptance and optimize treatment results.

Σκοπός της παρούσης εργασίας είναι η βιβλιογραφική αναζήτηση, παράθεση και επιβεβαίωση παλαιότερων τεχνικών που έχουν χρησιμοποιηθεί κατά καιρούς για τη βέλτιστη στόχευση και ηλεκτρικό ερεθισμό δομών των βασικών γαγγλίων και του θαλάμου, αλλά και η αναζήτηση νέων τεχνικών που θα μπορούσαν να χρησιμοποιηθούν τόσο κατά τη διάρκεια του χειρουργείου όσο και μετά από αυτό. Το κύριο μέρος της εργασίας είναι η εύρεση νέων συνδυαστικών τεχνικών οι οποίες επηρεάζουν τη στόχευση των εν τω βάθει πυρήνων, και πιο συγκεκριμένα την διεγχειρητική στόχευση του υποθαλάμιου πυρήνα κατά την διάρκεια στερεοτακτικής και λειτουργικής νευροχειρουργικής Παρκινσονικών ασθενών, καθώς και ο καθορισμός συγκεκριμένων τροχιών μικρο/μακροηλεκτροδίων οι οποίες να μπορούν να εγγυηθούν μακροχρόνια θετικά κλινικά αποτελέσματα. Προτού αναφέρουμε λεπτομερώς αυτές τις τεχνικές, αναλύουμε τον τρόπο λειτουργίας του εν τω βάθει εγκεφαλικού διεγέρτη, αναφέρουμε κάποια ιστορικά ορόσημα στην ανάπτυξη της στερεοτακτικής και λειτουργικής νευροχειρουργικής και αναφέρουμε τους διαφόρους πυρήνες που έχουν διεγερθεί κατά καιρούς για την αντιμετώπιση των συμπτωμάτων διαφόρων νευρολογικών παθήσεων. Επίσης αναφέρουμε αρκετά ανατομικά στοιχεία (συνοδεία σχεδίων) των υπό διέγερση περιοχών καθώς και τη φυσιολογία που εμπλέκεται έτσι ώστε να έχουμε μείωση ή και εξάλειψη των διαφόρων νευρολογικών/ψυχιατρικών συμπτωμάτων. Αναφερόμαστε στη γενικότερη εφαρμογή του ηλεκτρισμού στην ιατρική καλύπτοντας τόσο το κεντρικό όσο και το περιφερειακό νευρικό σύστημα, σε ασθένειες οι οποίες παρουσιάζουν νευρολογικές και ψυχιατρικές εκφάνσεις, ενώ αναλύουμε και διεξοδικά τον μηχανισμό δράσης νευρολογικών ασθενειών από μοριακό επίπεδο μέχρι των αλλαγών που παρατηρούνται στα μετρήσιμα ηλεκτρικά πεδία τόσο των εν τω βάθει δομών όσο και του φλοιού. Στο τελευταίο κεφάλαιο αυτής της εργασίας αναλύουμε τις μετρήσεις μας που ελήφθησαν από 7 Παρκινσονικούς ασθενείς κατά τη διάρκεια χειρουργείου για την στόχευση και ερεθισμό του υποθαλάμιου πυρήνα, και αναφέρουμε πως με τη χρήση μη γραμμικής δυναμικής και χάους μπορούμε να επιτύχουμε το βέλτιστο κλινικό αποτέλεσμα. / The objective of the present thesis is the bibliographical research, instantiation and confirmation of various techniques that have been occasionally used for the most optimal targeting and electric stimulation of basal ganglia nuclei and thalamus, as well as the finding of new innovative techniques that can be used so much intraoperatively as much postoperatively. The main part of this thesis is the finding of new combined techniques that influence the targeting of deep brain nuclei, and more specifically the targeting of subthalamic nucleus during functional neurosurgery in parkinsonian patients, as well as the determination of specific trajectories of micro/macroelectrodes which can guarantee long-lasting positive clinical results. Before we report in detail these techniques, we analyze the function of the deep brain stimulator, we report certain historical landmarks in the growth of stereotactic and functional neurosurgery and we report the various nuclei that they occasionally have been stimulated for the amelioration of symptoms of various neurological diseases. Also we report many anatomical information (accompanied by drawings) of the areas under stimulation as well as the physiology that is involved so as to induce amelioration of various neurological/psychiatric symptoms. We have analyzed the more general application of electricity in the medicine covering so much the central as much the peripheral nervous system, the symptoms of diseases that present neurological and psychiatric manifestations, while we have analyzed in depth the mechanism of action of neurological diseases from molecular level up to the changes that are observed in the measurable electric fields from both deep brain nuclei and the cerebral cortex. In the last chapter of this thesis we analyze the electric activity that was measured intraoperatively from scalp and deep brain electrodes of 7 parkinsonian patients during targeting and stimulation of the subthalamic nucleus, and we report that with the use of non linear dynamics and chaos we can achieve the most optimal clinical result.

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