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Hideaki Kishimoto, Yoshitaka Matsuura, Katsuya Kawai, Shigehito Yamada, Shigehiko Suzuki
When the lesser palatine nerve (LPN) is supposed to be a branch of the trigeminal nerve and innervate sensation of the soft palate, whether the LPN contains motor fibers is unclear. In this study, we monitored the electromyogram of the levator veli palatini (LVP) muscle on stimulating the LPN during palatoplasty in 3 patients. The electromyogram of the muscles showed the myogenic potential induced by electrostimulation of the LPN. Taken together with the finding from our previous anatomical study that the motor fibers come from the facial nerve, this result supports the double innervation theory of the LVP, which posits that both the pharyngeal plexus and the facial nerve innervate it...
September 2016: Plastic and Reconstructive Surgery. Global Open
Edouard Mazerand, Marc Le Renard, Sophie Hue, Jean-Michel Lemee, Evelyne Klinger, Philippe Menei
BACKGROUND: Brain mapping during awake craniotomy is a well-known technique to preserve neurological functions, especially the language. It is still challenging to map the optic radiations due to the difficulty to test the visual field intraoperatively. OBJECTIVE: To assess the visual field during awake craniotomy, we developed the Functions' Explorer based on a Virtual Reality Headset (FEX-VRH). METHODS: The impaired visual field of ten patients was tested with the gold standard exam (an automated perimetry), and the FEX-VRH...
October 15, 2016: World Neurosurgery
Alexander G Volkov, Eunice K Nyasani, Clayton Tuckett, Jessenia M Scott, Mariah M Z Jackson, Esther A Greeman, Ariane S Greenidge, Devin O Cohen, Maia I Volkova, Yuri B Shtessel
Electrostimulation of plants can induce plant movements, activation of ion channels, ion transport, gene expression, enzymatic systems activation, electrical signaling, plant-cell damage, enhanced wound healing, and influence plant growth. Here we found that electrical networks in plant tissues have electrical differentiators. The amplitude of electrical responses decreases along a leaf and increases by decreasing the distance between polarizing Pt-electrodes. Intercellular Ag/AgCl electrodes inserted in a leaf and extracellular Ag/AgCl electrodes attached to the leaf surface were used to detect the electrotonic potential propagation along a leaf of Aloe vera...
October 12, 2016: Bioelectrochemistry
Ashraf Raslan, Gerd Fabian Volk, Martin Möller, Vincent Stark, Nikolas Eckhardt, Orlando Guntinas-Lichius
OBJECTIVES/HYPOTHESIS: To examine by intraoperative electric stimulation which peripheral facial nerve (FN) branches are functionally connected to which facial muscle functions. STUDY DESIGN: Single-center prospective clinical study. METHODS: Seven patients whose peripheral FN branching was exposed during parotidectomy under FN monitoring received a systematic electrostimulation of each branch starting with 0.1 mA and stepwise increase to 2 mA with a frequency of 3 Hz...
October 18, 2016: Laryngoscope
Bożena Kosztyła-Hojna, Anna Kraszewska, Anna Łobaczuk-Sitnik, Diana Moskal, Dawid Falkowski, Jolanta Biszewska, Greta Berger
: Paralytic dysphonia is the most serious neurogenic pathology of voice quality. An important issue is to identify methods which support routine treatment. AIM: The aim of the study is to assess voice quality after electrostimulation (ES) therapy in patients with paralytic dysphonia. MATERIALS AND METHODS: The group consisted of 40 patients diagnosed at the Department of Clinical Phonoaudiology and Logopedics and then treated at the Phoniatric Outpatient Clinic of the Medical University of Bialystok, Poland in years 2013-2015...
July 29, 2016: Polski Merkuriusz Lekarski: Organ Polskiego Towarzystwa Lekarskiego
Carina Kelbsch, Fumiatsu Maeda, Jolanta Lisowska, Lukasz Lisowski, Torsten Strasser, Krunoslav Stingl, Barbara Wilhelm, Helmut Wilhelm, Tobias Peters
PURPOSE: To analyse pupil responses to specific chromatic stimuli in patients with advanced retinitis pigmentosa (RP) to ascertain whether chromatic pupillography can be used as an objective marker for residual retinal function. To examine correlations between parameters of the pupil response and the perception threshold of electrically evoked phosphenes. METHODS: Chromatic pupillography was performed in 40 patients with advanced RP (visual acuity < 0.02 or visual field ≤5°, non-recordable ERGs) and 40 age-matched healthy subjects...
September 29, 2016: Acta Ophthalmologica
Kai Cui, Yang Luan, Tao Wang, Li Zhuan, Ke Rao, Shao-Gang Wang, Zhang-Qun Ye, Ji-Hong Liu, Dao-Wen Wang
Our previous studies have demonstrated that erectile function was preserved in aged transgenic rats (TGR) harboring the human tissue kallikrein 1 (hKLK1), while the molecular level of hKLK1 on corporal fibrosis to inhibit age-related erectile dysfunction (ED) is poorly understood. Male wild-type Sprague-Dawley rats (WTR) and TGR harboring the hKLK1 gene were fed to 4- or 18-month-old and divided into three groups: young WTR (yWTR) as the control, aged WTR (aWTR), and aged TGR (aTGR). Erectile function of all rats was assessed by cavernous nerve electrostimulation method...
September 27, 2016: Asian Journal of Andrology
Samira Lahrabli, Herman Azanmasso, Fatima Lmidmani, Abdellatif El Fatimi
OBJECTIVE: Spasticity of the upper limb is a disabling symptom in patients with vascular hemiplegia, both functionally and orthopedic evolution of these patients. Many treatments exist for spasticity, and botulinum toxin may be an attractive therapeutic alternative, to fight against the often deleterious spasticity. MATERIAL/PATIENTS AND METHODS: We report a retrospective work of 10 spastic patients treated with ultrasound-guided injection of botulinum toxin into the MPR Casablanca service...
September 2016: Annals of Physical and Rehabilitation Medicine
C Semenza, E Salillas, S De Pallegrin, A Della Puppa
How do the parietal lobes contribute to simple calculation? Clinical and neuroimaging methods, which are based mainly on correlational evidence, have provided contrasting results so far. Here we used direct cortical electrostimulation during brain surgery to causally infer the role of the left and right parietal lobes in simple calculation. Stimulation provoked errors for addition and multiplication in different parietal areas on both hemispheres. Crucially, an innovative qualitative error analysis unveiled the functional contrast of the 2 parietal lobes...
September 24, 2016: Cerebral Cortex
Emilio Pedrotti, Francesca Bosello, Adriano Fasolo, Anna C Frigo, Ivan Marchesoni, Alfredo Ruggeri, Giorgio Marchini
PURPOSE: To evaluate efficacy and safety of transcutaneous application of electrical current on symptoms and clinical signs of dry eye (DE). METHODS: 27 patients with DE underwent transcutaneous electrostimulation with electrodes placed onto the periorbital region of both eyes and manual stimulation with a hand-piece conductor moved by the operator. Each patient underwent 12 sessions of 22 min spread over 2 months, two sessions per week in the first month and one session per week in the second month...
September 22, 2016: British Journal of Ophthalmology
Víctor Peña-Martínez, Jorge Lara-Arias, Félix Vilchez-Cavazos, Eduardo Álvarez-Lozano, Roberto Montes de Oca-Luna, Óscar Mendoza-Lemus
BACKGROUND: A fracture repair involves complex cellular processes. However, despite optimal treatment, some fractures heal slowly or do not repair. These complications support the need for innovative therapies. Electromagnetic stimulation is a non-invasive technology that could have a direct impact on many cellular pathways. OBJECTIVE: To demonstrate the effectiveness of electro-stimulation by alternating current applied during bone elongation to accelerate the consolidation process for 30 days in an animal model...
September 12, 2016: Cirugia y Cirujanos
R Li, K Cui, T Wang, S Wang, X Li, J Qiu, G Yu, J Liu, B Wen, K Rao
Men with hyperlipidemia are more likely to have erectile dysfunction (ED) than those without hyperlipidemia, but the mechanisms are not fully understood. The aim of this study was to investigate the underlying mechanism of ED caused by hyperlipidemia. Fourteen 8-week-old Sprague-Dawley rats were randomly divided into two groups: a control group and a hyperlipidemia group (fed chow containing 4% cholesterol and 1% cholic acid). After 6 months, we assessed erectile function by performing cavernous nerve electrostimulation followed by intracavernosal pressure/mean arterial pressure measurements, as well as plasma lipid profile assessment in all rats...
September 13, 2016: Andrologia
Guillaume Herbet, Sylvie Moritz-Gasser, Hugues Duffau
The neural foundations underlying semantic processing have been extensively investigated, highlighting a pivotal role of the ventral stream. However, although studies concerning the involvement of the left ventral route in verbal semantics are proficient, the potential implication of the right ventral pathway in non-verbal semantics has been to date unexplored. To gain insights on this matter, we used an intraoperative direct electrostimulation to map the structures mediating the non-verbal semantic system in the right hemisphere...
August 27, 2016: Brain Structure & Function
Shinichi Yamashita, Shinji Fujii, Yoshihiro Kamiyama, Yoshihide Kawasaki, Hideaki Izumi, Naoki Kawamorita, Koji Mitsuzuka, Hisanobu Adachi, Yasuhiro Kaiho, Akihiro Ito, Yoichi Arai
INTRODUCTION: The tissue sealing sheet has recently been used to prevent intraoperative bleeding from the neurovascular bundles in radical prostatectomy. Surgical stress or inflammatory changes likely play a role in erectile dysfunction after cavernous nerve injury. However, the efficacy of a tissue sealing sheet for preventing erectile function after nerve-sparing radical prostatectomy remains unclear. AIM: To evaluate the effect of a tissue sealing sheet on erectile dysfunction after cavernous nerve dissection...
October 2016: Journal of Sexual Medicine
Y Hu, X Niu, G Wang, J Huang, M Liu, B Peng
Chronic prostatitis/chronic pelvic pain syndrome (CP/CPPS) is an independent risk factor for the development of erectile dysfunction (ED). But the molecular mechanisms underlying the relationship between CP/CPPS and ED are still unclear. The aim of this study was to investigate the effect of CP/CPPS on erectile function in a rat model and the possible mechanisms. A rat model of experimental autoimmune prostatitis (EAP) was established to mimic human CP⁄CPPS. Then twenty 2-month-old male Sprague-Dawley rats were divided into EAP group and control group...
August 27, 2016: Andrology
Kang Sup Kim, Woong Jin Bae, Su Jin Kim, Kyong-Hwa Kang, Se-Kwon Kim, Hyuk Jin Cho, Sung-Hoo Hong, Ji Youl Lee, Sae Woong Kim
INTRODUCTION: We investigate the effect of active peptide from Urechis unicinctus (UU) by high temperature/pressure and ultra-wave assisted lysis on erectile dysfunction in streptozotocin-induced diabetic rats. MATERIALS AND METHODS: Forty 12-week-old Sprague-Dawley rats were used in this study. Diabetes was induced by a one-time intraperitoneal injection of streptozotocin (50mg/kg). One week later, the diabetic rats were randomly divided into four groups: normal control, untreated diabetes control, and groups treated with 100 or 500mg/kg/d UU peptide...
July 2016: International Braz J Urol: Official Journal of the Brazilian Society of Urology
Yang Luan, Yajun Ruan, Tao Wang, Li Zhuan, Zheng Wen, Ruibao Chen, Yan Zhang, Kai Cui, Jun Yang, Shaogang Wang, Jihong Liu, Zhangqun Ye, Daowen Wang
INTRODUCTION: Human tissue kallikrein 1 (hKLK1) has enormous potential for the protection of vasodilation and endothelial function in the cardiovascular system. Our previous study proved the decreased expression of kallikrein 1 in the corpus cavernosum (CC) of aged rats, but the role of kallikrein 1 in age-related erectile dysfunction remains unknown. AIM: To explore the effect and underlying mechanisms of hKLK1 on age-related erectile dysfunction. METHODS: Male wild-type Sprague-Dawley rats (WTR) and transgenic rats harboring the hKLK1 gene (TGR) were fed to 4 and 27 months of age, respectively, and divided into four groups: young WTR (yWTR) as the control, young TGR (yTGR), aged WTR (aWTR), and aged TGR (aTGR)...
September 2016: Journal of Sexual Medicine
Nicky van Melick, Robert E H van Cingel, Frans Brooijmans, Camille Neeter, Tony van Tienen, Wim Hullegie, Maria W G Nijhuis-van der Sanden
AIM: The Royal Dutch Society for Physical Therapy (KNGF) instructed a multidisciplinary group of Dutch anterior cruciate ligament (ACL) experts to develop an evidence statement for rehabilitation after ACL reconstruction. DESIGN: Clinical practice guideline underpinned by systematic review and expert consensus. DATA SOURCES: A multidisciplinary working group and steering group systematically reviewed the literature and wrote the guideline...
August 18, 2016: British Journal of Sports Medicine
Marco Ghionzoli, Alessandra Martin, Martina Bongini, Ubaldo Bongini, Gastone Ciuti, Laura Grisotto, Vito Monaco, Arianna Menciassi, Claudio Defilippi, Antonio Messineo
BACKGROUND: Pectus excavatum (PE) is known to be associated with adolescent idiopathic scoliosis (AIS). The correction of severe PE requires a mini-invasive procedure (MIRPE), with a metal bar positioned and left in the chest for 3 years. Adolescence seems to be the more appropriate time not only for MIRPE but also for AIS peak progression. This study was designed to answer the question whether, in adolescents, MIRPE could affect mild/moderate AIS. METHODS: We carried out a meta-analysis focused on defining the natural progression of untreated AIS...
September 2016: Journal of Laparoendoscopic & Advanced Surgical Techniques. Part A
Ivo Petrov, Oksana Kalinkevich, Maksym Pogorielov, Aleksei Kalinkevich, Aleksandr Stanislavov, Anatoly Sklyar, Sergei Danilchenko, Temenuzhka Yovcheva
Chitosan-hydroxyapatite composite materials were synthesized and the possibility to make their surface charged by corona discharge treatment has been evaluated. Dielectric and electric properties of the materials were studied by dielectric spectroscopy, including application of equivalent circuits method and computer simulations. Dielectric spectroscopy shows behavior of the materials quite different from that of both chitosan and HA alone. The obtained dielectric permittivity data are of particular interest in predicting the materials' behavior in electrostimulation after implantation...
October 20, 2016: Carbohydrate Polymers
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