نتایج جستجو برای: patient motion
تعداد نتایج: 914097 فیلتر نتایج به سال:
tendon transfers in hand patients are a commonly performed procedure after extensor tendon rupture. however, the standard side to side technique is not applicable in every patient. we present a case of a musician with unique demands to demonstrate the option to customize surgical technique and therapy regimen to the unique needs of each patient. an extensor indicis proprius to extensor digitoru...
The purpose of this study was to investigate the accuracy of two-dimensional (2D) projection imaging methods in three-dimensional (3D) tumor motion monitoring. Many commercial linear accelerator types have projection imaging capabilities, and tumor motion monitoring is useful for motion inclusive, respiratory gated or tumor tracking strategies. Since 2D projection imaging is limited in its abil...
Many factors may affect the interventricular septal motion. This study measures the effect of pericardiectomy on septal motion in 9 patients who were evaluated 1 week to 58 months after pericardiectomy. Echocardiography was performed with the patient in recumbent position with the special care to record motion of the muscular septum and not that of the aorta. No patient had left bundle branch b...
background: the aim of this study was to determine the treatment outcome of humeral shaft fractures with a locked rigid intramedullary nail in patients indicated for surgical treatment. methods: in this descriptive-cross sectional study, all patients were followed up for one, six, and 18 months post operatively. the short form questionnaire (sf-36) and constant shoulder score were applied. resu...
stress-induced cardiomyopathy or takotsubo cardiomyopathy is a recently increasing diagnosed disease manifested by transient apical or mid left ventricular dilation and dysfunction. this sign is similar to acute myocardial infarction but without significant coronary artery stenosis. there are important and essential differences between takotsubo cardiomyopathy and acute myocardial infarction in...
Background: Comminuted fractures happen frequently due to traumas. Fixation without opening the fracture site,known as minimally invasive plate osteosynthesis (MIPO), has recently become prevalent. This study has beendesigned to assess the outcomes of this treatment for tibial and femoral comminuted fractures.Methods: A total of 60 patients with comminuted femoral or tibial fractures were opera...
Non:::union::: of femoral neck fracture in young patients is still a big problem, specially in developing countries. Between 1980 and 1998 we performed 27 cases of valgusizing osteotomy to fix non:::union::: of femoral neck fracture on patient of 17 to 74 years old with an average of 45 years. Majority of the patients had displaced fracture of femoral neck and had under gone surgery but most we...
PURPOSE Current respiratory motion monitoring devices used for motion synchronization in medical imaging and radiotherapy provide either 1D respiratory signal over a specific region or 3D information based on few external or internal markers. On the other hand, newer technology may offer the potential to monitor the entire patient external surface in real time. The main objective of this study ...
BACKGROUND Patient motion during myocardial perfusion SPECT imaging (MPI) may be triggered by a patient's physical and/or psychological discomfort. The aim of this study was to investigate the impact of state anxiety (patient's reaction to exam-related stress), trait anxiety (patient's personality characteristic) and depression on patient motion during MPI. METHODS All patients that underwent...
To estimate motion, the edges of a moving object can be detected using Active Contours. After detecting the edges throughout the duration of the motion, the contours are registered together in order to obtain the motion model parameters. This idea can be applied to motion artifacts in Magnetic Resonance Images (MRI) which are caused by patient motion during the acquisition of an MRI. Thus, if t...
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