Search results for " Sensor."

3×3 Technique for RGB Snapshot Mapping of Skin Chromophores

2015

Three monochromatic spectral images have been extracted from a single RGB image data set at simultaneous illumination of skin by 473nm, 532nm and 609nm spectral lines. They were further transformed into distribution maps of three skin chromophores - melanin, oxy-hemoglobin and deoxy-hemoglobin, related to pigmented and vascular skin malformations. Performance and clinical potential of the proposed 3×3 technique is discussed.

Wearable Sensor for Assessing Gait and Postural Alterations in Patients with Diabetes: A Scoping Review.

2021

Background and Objectives: Diabetes mellitus is considered a serious public health problem due to its high prevalence and related complications, including gait and posture impairments due to neuropathy and vascular alterations and the subsequent increased risk of falls. The gait of patients with diabetes is characterized by alterations of the main spatiotemporal gait parameters such as gait velocity, cadence, stride time and length, which are also known to worsen with disease course. Wearable sensor systems can be used for gait analysis by providing spatiotemporal parameters and postural control (evaluated from the perspective of body sway), useful for investigating the disease progression.…

Persistent skin ulcers, mutilations, and acro-osteolysis in hereditary sensory and autonomic neuropathy with phospholipid excretion

1989

We observed three children in a Turkish family who from early childhood had deformations of the feet and torpid ulcers with subfocal osteomyelitis and osteolysis, which subsequently led to amputations. The fingers showed ainhumlike constriction bands and spontaneous amputations. Neurologic studies revealed an almost complete sensory and autonomic loss affecting all modalities and a marked involvement of motor fibers. The clinical symptoms fulfill many of the hallmarks of hereditary sensory and autonomic neuropathy type II, including autosomal recessive inheritance, onset of symptoms in childhood, and mutilating acropathy. A high urinary excretion of sphingomyelin and lecithin suggests that …

Ambulatory Treatment and Telemonitoring of Patients with Parkinson’s Disease

2011

Body sensor networks (BSN) promise to enhance quality of life in common human habitats. The very next and natural step towards the improvement of the already valuable applications based on BSN is the incorporation of body actuator devices which adapt its actuation dynamically based on the information provided by the body sensors, thus forming Body Sensor and actuator Networks (BS&AN). This paper shows how BS&AN can be exploited to create an innovative system to support the treatment of patients affected by Parkinson’s Disease (PD). The combination of clinical and technological knowledge in BS&AN allows to significantly improve the quality of life of patients suffering from PD.

Overexpression of nerve growth factor in peritoneal fluid from women with endometriosis may promote neurite outgrowth in endometriotic lesions

2011

To investigate the role of the nerve growth factor (NGF) in the endometriosis-associated innervation in the development of endometriosis- associated symptoms, 41 peritoneal fluid samples (PF) from patients with surgically and histologically proven endometriosis and 20 PF from patients with other gynecologic conditions were analyzed with Western blot and a novel in vitro model using dorsal root ganglia (DRG) to show neuronal outgrowth; endometrial cells also were analyzed. The results suggest that the PF of endometriosis patients and endometriotic lesions have neurotropic properties, because the Western blot analysis and the cell culture stainings showed NGF expression, and the neurite outgr…

Quantitative sensory testing compared to conventional neurological diagnostics in patients with vibration induced vasospastic syndrome

2007

Stimuli and sensors that initiate skeletal muscle hypertrophy following resistance exercise

2018

One of the most striking adaptations to exercise is the skeletal muscle hypertrophy that occurs in response to resistance exercise. A large body of work shows that a mammalian target of rapamycin complex 1 (mTORC1)-mediated increase of muscle protein synthesis is the key, but not sole, mechanism by which resistance exercise causes muscle hypertrophy. While much of the hypertrophy signaling cascade has been identified, the initiating, resistance exercise-induced and hypertrophy-stimulating stimuli have remained elusive. For the purpose of this review, we define an initiating, resistance exercise-induced and hypertrophy-stimulating signal as “hypertrophy stimulus,” and the sensor of such a s…

The role of fissula ante fenestram in unilateral sudden hearing loss

2016

The cause of unilateral sudden sensorineural hearing loss (SNHL) remains unclear in many clinical cases. Perilymphatic leakage through a fissula ante fenestram (FAF) fistula is one possible reason. We present four clinical cases with proven FAF fistula, discovered during surgical exploration. All patients experienced partial hearing recovery after surgical coverage of the fistula. We suggest FAF as a possible site for perilymphatic leakage, representing an anatomical correlate for sudden unilateral SNHL. We recommend early exploratory tympanotomy with special attention to the bony region, anterior to the oval window, in cases of severe sudden SNHL and suspected FAF.

Subarachnoid Hemorrhage Revealing Moyamoya Syndrome in a Patient With May-Hegglin Anomaly.

2017

Etude de cas; Introduction: Moyamoya syndrome is a rare progressive cerebrovascular occlusive disease for which several associated conditions have been described. Case Report: We report the case of a 76-year-old woman with a history of May-Hegglin anomaly who presented with an isolated unusual diffuse headache. Initial laboratory investigations showed only thrombocytopenia (platelet count 95000/mu L). Unenhanced brain computed tomography scan revealed a small subarachnoid hemorrhage in the left frontal lobe. Computed tomography angiography showed occlusion of the terminal portion of the left internal carotid artery (ICA) and narrowing of the terminal portion of the right ICA with abnormal c…

Corrigendum to “Quantitative sensory testing in the German Research Network on Neuropathic Pain (DFNS): Standardized protocol and reference values” […

2006

a Institute of Physiology and Pathophysiology, Johannes Gutenberg-University, Mainz, Germany b Department of Neurology, Johannes Gutenberg-University, Mainz, Germany c Division of Neurological Pain Research and Therapy, Department of Neurology, University of Kiel, Germany d Department of Pain Management, BG Kliniken Bergmannsheil, Ruhr University Bochum, Germany e Department of Neurology, Technische Universitat Munchen, Germany f Department of Anaesthesiology, Ludwig-Maximilians-Universitat Munchen, Germany g Institute of Medical Psychology and Behavioural Neurobiology, University of Tubingen, Germany h Department of Neurology, University of Freiburg, Germany i Department of Clinical and Co…