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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
1

Aktuelle Aspekte der pharmako-mechanischen Rekanalisation von Gefäßverschlüssen bei akutem Hirninfarkt / Actual Aspects of pharmaco-mechanical intra-arterial thrombolysis in acute ischemic stroke due to proximal vessel occlusion

Arva, Ana-Lioara January 2015 (has links) (PDF)
Fragestellung Die Prognose eines akuten Hirninfarktes bei Verschluss einer proximalen Hirnarterie ist trotz der intravenösen Thrombolyse mit rtPA ungünstig. Kann die kombinierte pharmaco-mechanische Rekanalisation von proximalen Gefäßverschlüssen bei akutem Hirninfarkt zu einer Verbesserung des klinischen Ergebnisses führen? Methoden Wir analysierten retrospektiv 66 konsekutiv aufgenommene Patienten (36m, 30w; mittleres Alter 61 Jahre (23-86 Jahre), die von 2010 bis 2012 kombiniert pharmako-mechanisch intra-arteriell behandelt wurden. 32 Patienten wiesen einen kombinierten ACI-/M1-Verschluss, 23 einen M1-Verschluss und 11 eine Basilaristhrombose auf. Mittlerer NIHSS lag bei 23. 57 Patienten erhielten eine kombinierte pharmaco-mechanische Therapie, 3 Patienten wurden lediglich pharmakologisch und 6 Patienten rein mechanisch rekanalisiert. Rekanalisierung bei 35 Patienten mit einem Stent-Retriever (32 Patienten mit pREset, 3 Patienten mit SOLITAIRE) erfolgt. Bei 46 Patienten wurde rtPA und bei 32 Patienten Tirofiban als Bridging Verfahren eingesetzt. Eine Stentanlage erfolgte in 28,78% der Fälle. Ergebnisse Die erzielten Rekanalisationsraten lagen bei 89,4% bei einer mittleren Dauer der Intervention von 96 Minuten (53,03% unter 90 Min.). Ein günstiges klinisches Ergebnis nach mRS (mRS 0-2) wurde bei 48% der Patienten erreicht. Die Rate an symptomatischen intrazerebralen Blutungen lag bei 4,55%. Die Mortalität war 19,7%. Die multivariate Regressionsanalyse ergab als modifizierbare Prediktoren für ein günstiges Outcome die Dauer bis zur Rekanalisation und die Gabe von rtPA. Schlussfolgerungen Die kombinierte endovaskuläre pharmako-mechanische Therapie kann die Mortalität und Morbidität von Schlaganfallpatienten mit Verschlüssen einer proximalen Hirnarterie reduzieren. / Background The prognosis of ischemic stroke due to occlusion of proximal intracranial arteries is poor, even with intravenous rt-PA thrombolysis. Can a combined pharmaco-mechanical thrombolysis lead to a better Outcome in this patients? Materials and methods We analysed 66 consecutive patients (36m, 30f; mean age 61, range 23 - 86 years), treated with a combined pharmaco-mechanical intra-arterial thrombolysis from 2010 to 2012. 32 patients presented with ICA and MCA tandem occlusions, 23 with occlusion of the main trunk of the MCA, and 11 of the BA. The mean NIH-Stroke-Scale (NIHSS) at admission was 23. 57 patients underwent combined pharmaco-mechanical thrombolisys, 3 patients were only pharmacological and 6 patients only mechanical recanalised. In 35 patients were Stent-Retriever-Systems utilized (32 patients pREset, 3 patients SOLITAIRE). A bridging therapie with rtPA was in 46 patients used and with tirofiban in 32 patients. Stenting were performed as well in 28,78%. Results The Rekanalizationrate was 89,4%. The mean duration of the intervention was 96 minutes (53,03% under 90 minutes). After rehabilitation had 48% of our patient a favorable outcome measured with the mRS (mRS 0-2).The procent of sICH in our patients was 4,55. The Mortality was 19.7%. The modifiable Predictors for a favorable Outcome detected with a multivariate logistic regression analysis were the time to recanalisation and the bridging therapy with rtPA. Conclusion The combined intra-arterial pharmaco-mechanical thrombolysis may reduce mortality and morbidity after occlusions of the proximal intracranial arteries in acute stroke patients.
2

Návrh doporučeného postupu v ergoterapii s funkční poruchou horní končetiny po cévní mozkové příhodě v subakutní fázi / Occupational therapy practise guidelines in patients with functional upper limb impairment after stroke in subacute phase

Miczová, Sára January 2019 (has links)
Author's name: Bc. Sára Miczová Supervisor:: Mgr. Miriama Dědková, DiS Opponent: Thesis title: Occupational therapy practise guidelines in patients with functional upper limb impairment after stroke in subacute phase To be able to provide occupational therapy intervention of high quality the occupatioal therpaists should rely on relevant standards of clinical care and clinical guidelines. (Švestková, 2018). Occupational therapists as well as other members of the interdisciplinar team provide professional care to the patients recovering from stroke. Those patients often have to deal with upper limb impairment which leads to decrese of quality of life. Relevant studies focused on this topic were searched via key words in PubMed, Web of Science and OVID Evidence Based Medicine Reviews databasis. The criterias of selection were: public access to the content, english language which were mainly focused on stroke patients rehabilitation. The suggestion of guideline was created based on methods accepted by department. The occupational therapist as well as physiotherapeutist of early rehabilitation were included in the process of creating the guideline using the GRADE programme for it. Only 48 out of 4054 studies were used, these were divided into two cathegories, one being the cathegory of assessment, the...
3

The experiences and perceptions of individuals with stroke about the usefulness of the model of occupational self efficacy in a rural setting

Smith, Melissa January 2019 (has links)
Magister Scientiae (Occupational Therapy) - MSc(OT) / Individuals diagnosed with stroke particularly in rural communities have a poor return to work rate. Vocational rehabilitation has been used as an intervention strategy with various types of clients with disability or injury in order to improve their work skills. The aim of the proposed study is to describe the experiences and perceptions of individuals diagnosed with stroke about the usefulness of the Model of Occupational Self Efficacy in assisting them in returning to their worker role particularly in a rural setting. Eight participants were purposively selected from the data base of a local hospital and semi structured interviews were conducted with the participants until saturation occurred. Furthermore, two focus groups were conducted with eight participants. A key informant was also interviewed to assist the researcher with a different perspective and to avoid bias. The data was analysed by means of thematic analysis into codes, categories and themes. Trustworthiness was ensured by means of credibility, applicability, transferability and conformability. Informed consent and confidentiality was ensured. Permission was obtained from the UWC research committee and from the Department of Health. Four themes were merged from the findings: Theme one: Obstacles which affects the return to work of CVA Participants in a rural community. Theme two: Establishing a strong belief in functional ability through occupation. Theme three: Adaptation strategies that enhances the work participation of stroke survivors in a rural community. Finally Theme four: The MOOSE enables transition to the worker role in a rural context. The findings revealed that the participants experienced a loss of their former self thus affecting their worker identity as they were no longer able to experience the gratification of fulfilling their worker role. This was due to the participants not being aware of the return to work options that they had. After the stroke the participants battled with not only overcoming their condition but also the stigma which the community and their employers had of stroke. Overcoming the stroke event and returning to work required that potential barriers and facilitators be identified by the participants and the researcher. The study also identified adaptation strategies that the participants utilised in order to overcome the barriers and assist the participants to have a smoother transition into the workplace. In conclusion the findings of the study revealed that the participants suffer a loss of their former abilities and undergo a loss of their self-esteem. As a result of the loss, participants struggled to return to work not only due to their loss of abilities but also their lack of knowledge regarding return to work and stroke. The findings indicated that there should be more education regarding the stroke that needs to be conducted in communities via media such as local newspapers, local radio stations, clinics and hospitals. The findings of the study may assist Occupational Therapy practitioners to improve services in a rural community for stroke survivors and improve the facilitation of the return to work process after stroke. The MOOSE facilitates motivation for participants to regain their self-esteem and thus move forward to resume a worker role. / 2020-08-31
4

Effective Strategies for Recognition and Treatment of In-Hospital Strokes

Gibson, Maryika Ivanova 01 January 2019 (has links)
In-hospital onset strokes represent 4% to 20% of all reported strokes in the United States. The variability of treatment protocols and workflows as well as the complex etiology and multiple comorbidities of the in-hospital stroke subpopulation often result in unfavorable outcomes and higher mortality rates compared to those who experience strokes outside of the hospital setting. The purpose of this project was to conduct a systematic review to identify and summarize effective strategies and practices for prompt recognition and treatment of in-hospital strokes. The results of the literature review with leading-edge guidelines for stroke care were corelated to formulate recommendations at an organizational level for improving care delivery and workflow. Peer-reviewed publications and literature not controlled by publishers were analyzed. An appraisal of 24 articles was conducted, using the guide for classification of level of evidence by Fineout-Overholt, Melnyk, Stillwell, and Williamson. The results of this systematic review revealed that the most effective strategies and practices for prompt recognition and treatment of in-hospital strokes included: staff education, creating a dedicated responder team, analysis and improvement of internal processes to shorten the time from discovery to diagnosis, and offering appropriate evidence-based treatments according to acute stroke guidelines. Creating organizational protocols and quality metrics to promote timely and evidence-based care for in-hospital strokes may result in a positive social change by eliminating the existing care disparities between community and in-hospital strokes and improving the health outcomes of this subpopulation of strokes.
5

Optimal placement of a Mobile Stroke Unit (MSU) to achieve improved stroke care

Dahllöf, Oliver, Dahllöf, Oliver, Hofwimmer, Felix, Hofwimmer, Felix January 2018 (has links)
Tid till behandling är livsviktigt för människor som får en stroke. På olika platser i världen har man därför sett värdet i att införskaffa en specialambulans för stroke (stroke-ambulans) som har specialutrustning och specialpersonal som kan utföra intravenös behandling (trombolys). Då det är uppenbart att dess involvering i vården skulle hjälpa åtminstone en viss andel patienter används ofta ingen utvecklad metod eller analys av var och hur denna stroke-ambulans ska placeras. Genom att noggrant undersöka läget i Skåne län om hur denna placeringen kan gå till, är vårt mål att genom vår metod, som bygger på optimering av förväntade transporttider, upplysa beslutstagare om olika perspektiv man bör ta hänsyn till. Vår metod kan användas över olika geografiska områden.Vi föreslår en optimeringsmetod som utgår från två olika perspektiv: effektivitet och jämlikhet. Metoden visar att beroende på vilket perspektiv man väljer, kan den optimala placeringen för ett givet område variera kraftigt. Det är därför viktigt att beslutstagare av placering för stroke-ambulanser har tydliga och väl genomtänkta mål. Dessa mål bör även innefatta de lokala sjukhusens mål när det kommer till förbättring av behandlingstiden för strokepatienter, s.k. door-to-needle-time (DTN) då dessa i vissa fall kan göra större förbättringar än vad en införskaffning av en stroke-ambulans skulle göra. / Tid till behandling är livsviktigt för människor som får en stroke. På olika platser i världen har man därför sett värdet i att införskaffa en specialambulans för stroke (stroke-ambulans) som har specialutrustning och specialpersonal som kan utföra intravenös behandling (trombolys). Då det är uppenbart att dess involvering i vården skulle hjälpa åtminstone en viss andel patienter används ofta ingen utvecklad metod eller analys av var och hur denna stroke-ambulans ska placeras. Genom att noggrant undersöka läget i Skåne län om hur denna placeringen kan gå till, är vårt mål att genom vår metod, som bygger på optimering av förväntade transporttider, upplysa beslutstagare om olika perspektiv man bör ta hänsyn till. Vår metod kan användas över olika geografiska områden.Vi föreslår en optimeringsmetod som utgår från två olika perspektiv: effektivitet och jämlikhet. Metoden visar att beroende på vilket perspektiv man väljer, kan den optimala placeringen för ett givet område variera kraftigt. Det är därför viktigt att beslutstagare av placering för stroke-ambulanser har tydliga och väl genomtänkta mål. Dessa mål bör även innefatta de lokala sjukhusens mål när det kommer till förbättring av behandlingstiden för strokepatienter, s.k. door-to-needle-time (DTN) då dessa i vissa fall kan göra större förbättringar än vad en införskaffning av en stroke-ambulans skulle göra. / The time to treatment is vital for people who suffer from a stroke. Therefore, in different places in the world, the value of acquiring a specially developed ambulance for a stroke (i.e., a Mobile Stroke Unit, MSU) with special equipment and specialists who can perform intravenous treatment (thrombolysis) has been identified. Since it is clear that an MSU’s involvement in health care would aid at least a certain proportion of the patients, the MSU is often purchased and placed without any developed method or analysis of where and how this MSU is to be placed. By carefully examining the situation in Skåne Municipality of how this placement could be performed, we will inform decision makers about different perspectives that should be taken into consideration, including other areas than Skåne.Our optimization method showed that depending on what perspective you are investing, efficiency or equality, the optimal placement for any given area can vary greatly. It is therefore importantthat decision-makersofMSUpurchaseshaveclearandwell-thought-outgoals.These goals should also include the goals of the local hospitals when it comes to improving the treatment time for stroke patients, door-to-needle (DTN), as the DTN may in some cases make greater improvements than a purchase of an MSU would. / The time to treatment is vital for people who suffer from a stroke. Therefore, in different places in the world, the value of acquiring a specially developed ambulance for a stroke (i.e., a Mobile Stroke Unit, MSU) with special equipment and specialists who can perform intravenous treatment (thrombolysis) has been identified. Since it is clear that an MSU’s involvement in health care would aid at least a certain proportion of the patients, the MSU is often purchased and placed without any developed method or analysis of where and how this MSU is to be placed. By carefully examining the situation in Skåne Municipality of how this placement could be performed, we will inform decision makers about different perspectives that should be taken into consideration, including other areas than Skåne.Our optimization method showed that depending on what perspective you are investing, efficiency or equality, the optimal placement for any given area can vary greatly. It is therefore importantthat decision-makersofMSUpurchaseshaveclearandwell-thought-outgoals.These goals should also include the goals of the local hospitals when it comes to improving the treatment time for stroke patients, door-to-needle (DTN), as the DTN may in some cases make greater improvements than a purchase of an MSU would.
6

Effective Treatment with Abciximab for Consecutive Bilateral Middle Cerebral Artery Occlusion

Pütz, Volker, Weise, Matthias, Kummer, Rüdiger von, Gahn, Georg January 2006 (has links)
Dieser Beitrag ist mit Zustimmung des Rechteinhabers aufgrund einer (DFG-geförderten) Allianz- bzw. Nationallizenz frei zugänglich.

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