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Ganglion Anatomy

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1. Ganglion Anatomy

Ganglion Anatomy Ganglion Anatomy Toggle navigation Brain Head & Neck Chest Endocrine Abdomen Musculoskeletal Skin Infectious Disease Hematology & Oncology Cohorts Diagnostics Emergency Findings Procedures Prevention & Management Pharmacy Resuscitation Trauma Emergency Procedures Ultrasound Cardiovascular Emergencies Lung Emergencies Infectious Disease Pediatrics Neurologic Emergencies Skin Exposure Miscellaneous Abuse Cancer Administration 4 Ganglion Anatomy Ganglion Anatomy Aka: Ganglion (...) Anatomy , Nerve Plexus Anatomy , Ganglion , Nerve Plexus II. Anatomy: Images Lewis (1918) Gray's Anatomy 20th ed (in at or ) Lewis (1918) Gray's Anatomy 20th ed (in at or ) Lewis (1918) Gray's Anatomy 20th ed (in at or ) Lewis (1918) Gray's Anatomy 20th ed (in at or ) Lewis (1918) Gray's Anatomy 20th ed (in at or ) Lewis (1918) Gray's Anatomy 20th ed (in at or ) Lewis (1918) Gray's Anatomy 20th ed (in at or ) Lewis (1918) Gray's Anatomy 20th ed (in at or ) Lewis (1918) Gray's Anatomy 20th ed

2018 FP Notebook

2. Evidence Brief: Effectiveness of Stellate Ganglion Block for Treatment of Posttraumatic Stress Disorder (PTSD)

of 0.5% solution, are the most common anesthetic types and dosages used in SGB. 39 To avoid potential serious adverse effects of inaccurate needle placement to the anatomy surrounding the stellate ganglion, use of image-guidance techniques such as ultrasound, fluoroscopy, or computed tomography are recommended to help visualize the injection area. SGB performance also requires the availability of continuous vital sign monitoring technology and resuscitative equipment and personnel to monitor (...) Evidence Brief: Effectiveness of Stellate Ganglion Block for Treatment of Posttraumatic Stress Disorder (PTSD) 4 Department of Veterans Affairs Health Services Research & Development Service Evidence-based Synthesis Program Evidence Brief: Effectiveness of Stellate Ganglion Block for Treatment of Posttraumatic Stress Disorder (PTSD) February 2017 Prepared for: Department of Veterans Affairs Veterans Health Administration Quality Enhancement Research Initiative Health Services Research

2017 Veterans Affairs Evidence-based Synthesis Program Reports

3. The Sphenopalatine Ganglion: Anatomy, Pathophysiology, and Therapeutic Targeting in Headache. (PubMed)

The Sphenopalatine Ganglion: Anatomy, Pathophysiology, and Therapeutic Targeting in Headache. The sphenopalatine ganglion (SPG) has attracted the interest of practitioners treating head and face pain for over a century because of its anatomical connections and role in the trigemino-autonomic reflex. In this review, we discuss the anatomy of the SPG, as well as what is known about its role in the pathophysiology of headache disorders, including cluster headache and migraine. We then address

2015 Headache

4. Synchrotron Radiation-Based Reconstruction of the Human Spiral Ganglion: Implications for Cochlear Implantation. (PubMed)

Synchrotron Radiation-Based Reconstruction of the Human Spiral Ganglion: Implications for Cochlear Implantation. To three-dimensionally reconstruct Rosenthal's canal (RC) housing the human spiral ganglion (SG) using synchrotron radiation phase-contrast imaging (SR-PCI). Straight cochlear implant electrode arrays were inserted to better comprehend the electro-cochlear interface in cochlear implantation (CI).SR-PCI was used to reconstruct the human cochlea with and without cadaveric CI. Twenty (...) -eight cochleae were volume rendered, of which 12 underwent cadaveric CI with a straight electrode via the round window (RW). Data were input into the 3D Slicer software program and anatomical structures were modeled using a threshold paint tool.The human RC and SG were reproduced three-dimensionally with artefact-free imaging of electrode arrays. The anatomy of the SG and its relationship to the sensory organ (Corti) and soft and bony structures were assessed.SR-PCI and computer-based three

2019 Ear and hearing

5. Unique Characteristics of the Dorsal Root Ganglion as a Target for Neuromodulation. (PubMed)

Unique Characteristics of the Dorsal Root Ganglion as a Target for Neuromodulation. The dorsal root ganglion (DRG) is a novel target for neuromodulation, and DRG stimulation is proving to be a viable option in the treatment of chronic intractable neuropathic pain. Although the overall principle of conventional spinal cord stimulation (SCS) and DRG stimulation-in which an electric field is applied to a neural target with the intent of affecting neural pathways to decrease pain perception (...) -is similar, there are significant differences in the anatomy and physiology of the DRG that make it an ideal target for neuromodulation and may account for the superior outcomes observed in the treatment of certain chronic neuropathic pain states. This review highlights the anatomy of the DRG, its function in maintaining homeostasis and its role in neuropathic pain, and the unique value of DRG as a target in neuromodulation for pain.A narrative literature review was performed.Overall, the DRG

2019 Pain Medicine

6. Chronic cigarette smoke exposure drives spiral ganglion neuron loss in mice (PubMed)

Chronic cigarette smoke exposure drives spiral ganglion neuron loss in mice Tobacco use is associated with an increased risk of hearing loss in older individuals, suggesting cigarette smoke (CS) exposure may target the peripheral auditory organs. However, the effects of CS exposure on general cochlear anatomy have not previously been explored. Here we compare control and chronic CS exposed cochleae from adult mice to assess changes in structure and cell survival. Two-photon imaging techniques (...) , including the imaging of second harmonic generation (SHG) and two-photon excitation fluorescence (TPEF) from native molecules, were used to probe the whole cochlear organ for changes. We found evidence for fibrillar collagen accumulation in the spiral ganglion and organ of Corti, consistent with fibrosis. Quantitative TPEF indicated that basal CS-exposed spiral ganglion neurons experienced greater oxidative stress than control neurons, which was confirmed by histological staining for lipid peroxidation

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2018 Scientific reports

7. Anatomy and neural remodeling of the renal sympathetic nerve in a canine model and patients with hypertension. (PubMed)

Anatomy and neural remodeling of the renal sympathetic nerve in a canine model and patients with hypertension. The role of renal sympathetic nerve (RSN) in hypertension should be better understood. We aimed to three-dimensionally reconstruct the renal nerves, and explore its anatomical and histochemical characteristics in hypertensive canine model and patients.Renal arteries with surrounding tissue were collected from canines and cadavers with or without hypertension. Serial renal artery (...) ganglion were significantly increased in hypertensive canines. In humans, the renal nerve was evenly distributed along the renal artery in a network pattern. The renal ganglion volume was 72.75 ± 33.43 in hypertensive patients versus 37.04 ± 23.95 μl in controls (P = 0.029) and the mean neuronal size in renal ganglion was 1187.3 ± 219.9 μm in patients versus 714.8 ± 142.7 μm in controls (P = 0.002). Tyrosine hydroxylase immunoreactivity in the RSN was 0.153 ± 0.014 in patients versus 0.104 ± 0.019

2018 Journal of Hypertension

8. Interindividual Variations in Foveal Anatomy and Artifacts Seen on Inner Retinal Probability Maps from Spectral Domain OCT Scans of the Macula (PubMed)

Interindividual Variations in Foveal Anatomy and Artifacts Seen on Inner Retinal Probability Maps from Spectral Domain OCT Scans of the Macula We tested the hypothesis that variations in foveal morphology can account for artifacts seen on optical coherence tomography (OCT) retinal ganglion cell (RGC) layer probability maps.A total of 126 healthy subjects were tested with spectral domain (sd) OCT. Thickness and probability maps of the macular RGC plus inner plexiform layer (RGC+) were obtained (...) in the distribution of RGC+ thickness that are not reflected in our measures warrant further investigation as potential sources of artifacts.A small proportion of circumfoveal artifacts seen on RGC+ probability maps can be explained by variations in foveal anatomy.

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2018 Translational vision science & technology

9. Sphenopalatine Ganglion (SPG): Stimulation Mechanism, Safety, and Efficacy. (PubMed)

Sphenopalatine Ganglion (SPG): Stimulation Mechanism, Safety, and Efficacy. To describe the history of and available data on sphenopalatine ganglion (SPG) neuromodulation in the treatment of headache up to the present.The SPG has been a therapeutic target to treat primary headache disorders for over 100 years. Multiple destructive lesions have also been tried with variable rate and duration of success. Neurostimulation of the SPG for cluster headache was first described in 2007 (...) .This is not a systematic review. The authors review the anatomy and pathophysiology of the SPG and cluster headache and the important clinical trials, relating a history of how SPG neuromodulation reached the current state of approval in the European Union (EU) and pivotal registration study for cluster headache in the US.The EU approved SPG stimulation for cluster headache with a CE Mark in February of 2012. Since then, several EU countries have elected to reimburse implantation for cluster headache, and over 300

2017 Headache

10. Efficacy of Bilateral Ultrasonic Guided Sphenopalatine Ganglion Block in Maxilofacial Cancer Surgeries

will be scaduled for Maxillo - facial cancer surgeries Exclusion Criteria: patients with disfigurement and disturbed anatomy that will not allow easy access to the sphenopalatine ganglion, bleeding disorders, history of hepatic, renal or cardiopulmonary dysfunction, patients receiving drugs affecting coagulation or cardiovascular active medication are excluded also patients having infection or allergies to local anesthetics Contacts and Locations Go to Information from the National Library of Medicine To learn (...) Efficacy of Bilateral Ultrasonic Guided Sphenopalatine Ganglion Block in Maxilofacial Cancer Surgeries Efficacy of Bilateral Ultrasonic Guided Sphenopalatine Ganglion Block in Maxilofacial Cancer Surgeries - Full Text View - ClinicalTrials.gov Hide glossary Glossary Study record managers: refer to the if submitting registration or results information. Search for terms x × Study Record Detail Saved Studies Save this study Warning You have reached the maximum number of saved studies (100). Please

2017 Clinical Trials

11. Can the sphenopalatine ganglion be reached by an acupuncture needle? (PubMed)

Can the sphenopalatine ganglion be reached by an acupuncture needle? 28043941 2017 09 22 2017 09 22 1759-9873 35 2 2017 04 Acupuncture in medicine : journal of the British Medical Acupuncture Society Acupunct Med Can the sphenopalatine ganglion be reached by an acupuncture needle? 153-155 10.1136/acupmed-2016-011216 Zhang Lu L China Academy of Chinese Medical Sciences, Xiyuan Hospital, Beijing, China. Fang Dong-Liang DL School of Basic Medical Sciences, Capital Medical University, Beijing (...) , China. Jiang Da-Wei DW School of Basic Medical Sciences, Capital Medical University, Beijing, China. Gao Yan Y School of Basic Medical Sciences, Capital Medical University, Beijing, China. Shi Da-Zhuo DZ China Academy of Chinese Medical Sciences, Xiyuan Hospital, Beijing, China. eng Letter 2017 01 02 England Acupunct Med 9304117 0964-5284 IM Acupuncture Points Acupuncture Therapy instrumentation methods Ganglia, Parasympathetic anatomy & histology Head anatomy & histology Humans Needles ACUPUNCTURE

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2017 Acupuncture In Medicine

12. The aging rat retina: from function to anatomy. (PubMed)

The aging rat retina: from function to anatomy. In healthy beings, age is the ultimate reason of cellular malfunction and death. In the rat retina, age causes a functional decline and loss of specific neuronal populations. In this regard, controversial conclusions have been reported for the innermost retina. Here, we have studied the albino and pigmented retina for the duration of the rat life-span. Independent of age (21 days-22 months), the electroretinographic recordings and the volume (...) of the retina and its layers are smaller in albinos. Functionally, aging causes in both strains a loss of cone- and rod-mediated responses. Anatomically, cell density decreases with age because the retina grows linearly with time; no cell loss is observed in the ganglion cell layer; and only in the pigmented rat, there is a decrease in cone photoreceptors. In old animals of both strains, there is gliosis in the superior colliculi and a diminution of the area innervated by retinal ganglion cells

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2017 Neurobiology of Aging

13. The “sacral parasympathetic”: ontogeny and anatomy of a myth (PubMed)

The “sacral parasympathetic”: ontogeny and anatomy of a myth We recently defined genetic traits that distinguish sympathetic from parasympathetic neurons, both preganglionic and ganglionic (Espinosa-Medina et al., Science 354:893-897, 2016). By this set of criteria, we found that the sacral autonomic outflow is sympathetic, not parasympathetic as has been thought for more than a century. Proposing such a belated shift in perspective begs the question why the new criterion (cell types

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2017 Clinical Autonomic Research

14. Histoplasmosis by Histoplasma capsulatum var. duboisii Observed at the Laboratory of Pathological Anatomy of Lomé in Togo (PubMed)

Histoplasmosis by Histoplasma capsulatum var. duboisii Observed at the Laboratory of Pathological Anatomy of Lomé in Togo Our study aimed to describe the epidemiological, clinical, and diagnostic aspects of African histoplasmosis in Togo through a descriptive and cross-sectional study on histological diagnosed African histoplasmosis in Pathology Department of Lomé from 2002 to 2016 (15 years). A total of 17 cases of African histoplasmosis were diagnosed. The sex ratio (M/F) was 1.8. The annual (...) incidence was 1.1 cases. The mean age of the patients was 27.2 ± 0.4 years. All our patients were of social categories with a low socioeconomic level. HIV infection was known in 3 patients and one patient contracted tuberculosis. The clinical manifestations were cutaneous in 7 cases, cutaneous and mucous in 3 cases, cutaneous and lymph node in 3 cases, cutaneous and bone in 2 cases, and disseminated in 2 cases. The samples examined consisted of 14 cutaneous biopsies measuring 2-3 cm and 3 ganglionic

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2017 Journal of pathogens

15. Anatomy of the visual pathways. (PubMed)

Anatomy of the visual pathways. The axons of the retinal ganglion cells form the optic nerve. The two optic nerves meet at the optic chiasm, where the nerve fibers originating in the nasal retina of each eye decussate to join the temporal fibers of the fellow eye. From the chiasm, the same axons continue on as the optic tract. These axons travel to and synapse in the lateral geniculate nucleus, the cells of which send their axons through the optic radiations to the visual cortex. The main blood

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2017 Journal of Glaucoma

16. Ganglion Anatomy

Ganglion Anatomy Ganglion Anatomy Toggle navigation Brain Head & Neck Chest Endocrine Abdomen Musculoskeletal Skin Infectious Disease Hematology & Oncology Cohorts Diagnostics Emergency Findings Procedures Prevention & Management Pharmacy Resuscitation Trauma Emergency Procedures Ultrasound Cardiovascular Emergencies Lung Emergencies Infectious Disease Pediatrics Neurologic Emergencies Skin Exposure Miscellaneous Abuse Cancer Administration 4 Ganglion Anatomy Ganglion Anatomy Aka: Ganglion (...) Anatomy , Nerve Plexus Anatomy , Ganglion , Nerve Plexus II. Anatomy: Images Lewis (1918) Gray's Anatomy 20th ed (in at or ) Lewis (1918) Gray's Anatomy 20th ed (in at or ) Lewis (1918) Gray's Anatomy 20th ed (in at or ) Lewis (1918) Gray's Anatomy 20th ed (in at or ) Lewis (1918) Gray's Anatomy 20th ed (in at or ) Lewis (1918) Gray's Anatomy 20th ed (in at or ) Lewis (1918) Gray's Anatomy 20th ed (in at or ) Lewis (1918) Gray's Anatomy 20th ed (in at or ) Lewis (1918) Gray's Anatomy 20th ed

2015 FP Notebook

17. Signalling by melanopsin (OPN4) expressing photosensitive retinal ganglion cells (PubMed)

Signalling by melanopsin (OPN4) expressing photosensitive retinal ganglion cells Over the past two decades there have been significant advances in our understanding of both the anatomy and function of the melanopsin system. It has become clear that rather than acting as a simple irradiance detector the melanopsin system is in fact far more complicated. The range of behavioural systems known to be influenced by melanopsin activity is increasing with time, and it is now clear that melanopsin (...) contributes not only to multiple non-image forming systems but also has a role in visual pathways. How melanopsin is capable of driving so many different behaviours is unclear, but recent evidence suggests that the answer may lie in the diversity of melanopsin light responses and the functional specialisation of photosensitive retinal ganglion cell (pRGC) subtypes. In this review, we shall overview the current understanding of the melanopsin system, and evaluate the evidence for the hypothesis

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2016 Eye

18. Are spinoglenoid ganglion cysts early markers of glenohumeral arthritis? (PubMed)

Are spinoglenoid ganglion cysts early markers of glenohumeral arthritis? The objective of this study was to improve our understanding of the pathogenesis and symptoms of ganglion cysts (GCs) in the spinoglenoid notch. Two hypotheses were tested: (1) the labral tears responsible for these cysts are mainly degenerative and nontraumatic, (2) spinoglenoid cysts are early magnetic resonance image (MRI) markers of eccentric posterior glenoid wear.This was a descriptive diagnostic study. Patients were (...) of GCs should be supplemented by humeral subluxation index measurement on computed tomography scan or MRI, and the patient should be informed that joint-related posterior shoulder pain might persist in cases of GC1 and GC2.Basic Science Study; Anatomy; Imaging and In Vivo.Copyright © 2016 Journal of Shoulder and Elbow Surgery Board of Trustees. Published by Elsevier Inc. All rights reserved.

2016 Journal of Shoulder and Elbow Surgery

19. Retinal Anatomy

Retinal Anatomy Retinal Anatomy Toggle navigation Brain Head & Neck Chest Endocrine Abdomen Musculoskeletal Skin Infectious Disease Hematology & Oncology Cohorts Diagnostics Emergency Findings Procedures Prevention & Management Pharmacy Resuscitation Trauma Emergency Procedures Ultrasound Cardiovascular Emergencies Lung Emergencies Infectious Disease Pediatrics Neurologic Emergencies Skin Exposure Miscellaneous Abuse Cancer Administration 4 Retinal Anatomy Retinal Anatomy Aka: Retinal Anatomy (...) , Retina Anatomy , Retina , Macula , Fovea II. Anatomy Retina Lines the globe inner surface and contains light sensitive s that transmit signals to the Photoreceptors (rods and cones) comprise the inner, sensory layer of the Retina Macula Retinal region responsible for central vision Lies two disc diameters lateral to the optic disc Fovea Subpart of the Macula with highest (and highest cone density) Images Lewis (1918) Gray's Anatomy 20th ed (in at or ) Lewis (1918) Gray's Anatomy 20th ed

2018 FP Notebook

20. The cochlea in skull base surgery: an anatomy study. (PubMed)

The cochlea in skull base surgery: an anatomy study. OBJECTIVE The object of this study was to examine the relationships of the cochlea as a guide for avoiding both cochlear damage with loss of hearing in middle fossa approaches and injury to adjacent structures in approaches directed through the cochlea. METHODS Twenty adult cadaveric middle fossae were examined using magnifications of ×3 to ×40. RESULTS The cochlea sits below the floor of the middle fossa in the area between and below (...) the labyrinthine segment of the facial nerve and greater petrosal nerve (GPN) and adjacent to the lateral genu of the petrous carotid. Approximately one-third of the cochlea extends below the medial edge of the labyrinthine segment of the facial nerve, geniculate ganglion, and proximal part of the GPN. The medial part of the basal and middle turns are the parts at greatest risk in drilling the floor of the middle fossa to expose the nerves in middle fossa approaches to the internal acoustic meatus

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2016 Journal of Neurosurgery

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