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peripheral vertigo

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https://www.readbyqxmd.com/read/29623865/-stroke-mimicking-acute-peripheral-vertigo-how-to-avoid-misdiagnosis-importance-of-alarm-symptoms-and-assessment-of-eye-movements
#1
R B van Leeuwen, E van Wensen, B R Schudel
Identifying the occurrence of stroke in patients with isolated vertigo is difficult for general practitioners (GPs) as well as for physicians working in the Emergency Department. Three patients with acute vestibular syndrome are presented in this clinical lesson. The importance of an adequate neuro-otological examination is emphasised. However, many GPs lack knowledge of the nystagmus and the head impulse test. Alternative strategies for GPs are discussed.
2018: Nederlands Tijdschrift Voor Geneeskunde
https://www.readbyqxmd.com/read/29616298/intracranial-malignant-peripheral-nerve-sheath-tumor-variant-an-unusual-neurovascular-phenotype-sarcoma-case-invading-through-the-petrous-bone
#2
Oliver D Mrowczynski, Robert J Greiner, Malika Kapadia, Julie C Fanburg-Smith, Mark R Iantosca, Elias B Rizk
INTRODUCTION: Intracranial malignant peripheral nerve sheath tumor (MPNST) is exceedingly rare. Previously reported cases of intracranial MPNST have been associated with development within a prominent cranial nerve. METHODS: This is the first report of an MPNST with both nerve sheath and vascular phenotype that follows the neurovascular bundle, without arising in a major cranial nerve or in the setting of neurofibromatosis type 1 (NF1). RESULTS: The patient is a 14-year-old boy with a history of worsening headaches for the past several months, left-sided hearing loss, nausea, vomiting, and vertigo...
April 3, 2018: Child's Nervous System: ChNS: Official Journal of the International Society for Pediatric Neurosurgery
https://www.readbyqxmd.com/read/29589200/molecular-recognition-of-flunarizine-dihydrochloride-and-%C3%AE-cyclodextrin-inclusion-complex-by-nmr-and-computational-approaches
#3
Santosh Kumar Upadhyay, Syed Mashhood Ali
BACKGROUND: Flunarizine dihydrochloride (FLN) is used in the prophylactic treatment of migraine, vertigo, occlusive peripheral vascular disease and epilepsy. Cyclodextrins (CDs) are chiral, truncated cone shaped macrocycles known for their inner hydrophobic and outer hydrophilic site. They form complexes with hydrophobic drug molecules and enhance the solubility and bioavailability of such compounds by enhancing drug permeability through mucosal tissues. NMR spectroscopy and computational docking have been recognized as an important tool for the interaction study of CDs-drug inclusion complexes in solution state...
March 28, 2018: Chemistry Central Journal
https://www.readbyqxmd.com/read/29526250/emotional-reaction-evaluation-provoked-by-the-vestibular-caloric-test-through-physiological-variables-monitoring
#4
Rafael Barona-de-Guzmán, Claudio Krstulovic-Roa, Elena Donderis-Malea, Luz Barona-Lleó
INTRODUCTION AND OBJECTIVES: The emotional evaluation of the causes of vertigo is made using the clinical records and several subjective questionnaires. The aim of the present study is to evaluate the emotional response objectively, in normal subjects, during an induced vertigo crisis. MATERIAL AND METHOD: A caloric vestibular test with cold water was performed on 30 healthy subjects. The following physiological parameters were monitored during the 60seconds prior to and the 60seconds after the stimulation: Skin Conductivity, Peripheral Pulse Volume, Body Temperature, Muscle Contraction, Heart Rate, and Respiratory Rate...
March 8, 2018: Acta Otorrinolaringológica Española
https://www.readbyqxmd.com/read/29500503/-management-of-acute-vertigo-and-dizziness-patients-in-emergency-departments-in-germany
#5
J Löhler, D Eßer, B Wollenberg, L E Walther
BACKGROUND: Dizziness and vertigo are some of the most common reasons for seeking medical help. Acute dizziness and vertigo require interdisciplinary cooperation. New diagnostic methods (the video head impulse test) and modern algorithms (HINTS: head impulse test/nystagmus [direction changing]/test-of-skew) are increasingly used in case of the acute vestibular syndrome in emergency care. METHODS: In a survey on the management and participation of the ENT specialist area, the authors interviewed 168 German ENT clinics during the spring of 2017 using an online survey...
March 2, 2018: HNO
https://www.readbyqxmd.com/read/29498717/paroxysmal-positional-vertigo-despite-complete-vestibular-impairment-the-role-of-instrumental-assessment
#6
A P Casani, N Cerchiai, E Navari
Lindsay and Hemenway syndrome is characterised by a posterior canal benign paroxysmal positional vertigo following a partial unilateral vestibular loss affecting the same side. The syndrome is caused by damage of structures innervated by the superior division of the vestibular nerve and perfused by the anterior vestibular artery; the detached otoconia can cause vertigo in the still intact posterior semicircular canal. The most recent vestibular instrumental techniques allow reaching an accurate topodiagnosis in case of peripheral vestibular failure...
February 28, 2018: Acta Otorhinolaryngologica Italica
https://www.readbyqxmd.com/read/29496272/-management-of-vertigo-and-dizziness
#7
D Bouccara, F Rubin, P Bonfils, Q Lisan
Balance disorders presenting with symptoms of dizziness and vertigo are due to various diseases. Clinical approach gives the opportunity to identify emergency situations and most common causes, among them the first one being the benign paroxysmal positional vertigo. Oculomotor assessment is pertinent as major clinical orientation, particularly between peripheral and central diseases. These clinical findings support the respective indication of modern imaging and/or vestibular tests, focused on the direction of presupposed diagnosis...
February 26, 2018: La Revue de Médecine Interne
https://www.readbyqxmd.com/read/29466539/management-of-recurrent-vestibular-neuritis-in-a-patient-treated-for-rheumatoid-arthritis
#8
Richard A Roberts
Purpose: This clinical report is presented to describe how results of vestibular function testing were considered along with other medical history to develop a management plan that was ultimately successful. Method: The patient underwent audio-vestibular assessment including comprehensive audiogram, videonystagmography, cervical vestibular evoked myogenic potential, and postural stability testing. Results: Results from initial testing were most consistent with uncompensated peripheral vestibular dysfunction affecting the right superior vestibular nerve...
March 8, 2018: American Journal of Audiology
https://www.readbyqxmd.com/read/29460899/-the-diagnostic-significance-of-vestibular-evoked-myogenic-potentials-in-different-types-of-vertigo
#9
A S Kudryavtseva, A V Amelin
AIM: To study the parameters of vestibular evoked myogenic potentials (VEMPs) in different types of vertigo. MATERIAL AND METHODS: Seventy-seven patients, 35 men and 42 women, aged 43.7±12.5 years, with vestibular vertigo and unsteadiness were examined. The activity of the stemocleidomastoid muscle in response to auditory stimulation of the ipsilateral ear was recorded using surface electromyography. RESULTS: There were a trend towards the increase in the N2 latency, the significant reduction of the P1-N2 amplitude (p<0,005) on both sides and significant changes in the coefficient of asymmetry...
2018: Zhurnal Nevrologii i Psikhiatrii Imeni S.S. Korsakova
https://www.readbyqxmd.com/read/29458336/prevalence-aetiologies-and-prognosis-of-the-symptom-dizziness-in-primary-care-a-systematic-review
#10
Stefan Bösner, Sonja Schwarm, Paula Grevenrath, Laura Schmidt, Kaja Hörner, Dominik Beidatsch, Milena Bergmann, Annika Viniol, Annette Becker, Jörg Haasenritter
BACKGROUND: Dizziness is a common reason for consulting a general practitioner and there is a broad range of possible underlying aetiologies. There are few evidence-based data about prevalence, aetiology and prognosis in primary care. We aimed to conduct a systematic review of symptom-evaluating studies on prevalence, aetiology or prognosis of dizziness in primary care. METHODS: We systematically searched MEDLINE and EMBASE. Two independent researchers screened titles and abstracts according to predefined criteria...
February 20, 2018: BMC Family Practice
https://www.readbyqxmd.com/read/29398242/utility-of-neutrophil-to-lymphocyte-ratio-nlr-as-a-predictor-of-acute-infarction-in-new-onset-acute-vertigo-patients-without-neurologic-and-computed-tomography-abnormalities
#11
Sun Hwa Lee, Seong Jong Yun, Seokyong Ryu, Seung Woon Choi, Hye Jin Kim, Tae Kyung Kang, Sung Chan Oh, Suk Jin Cho
BACKGROUND: Neutrophil-to-lymphocyte ratio (NLR) has been used as a predictive marker for various conditions. However, there are no previous studies about NLR as a prognostic marker for acute infarction. OBJECTIVE: To evaluate the potential utility of NLR as a predictor of acute infarction in acute vertigo patients without neurologic and computed tomography (CT) abnormalities. METHODS: We conducted a prospective, observational study in the Emergency Department (ED) between January 2015 and December 2016...
February 1, 2018: Journal of Emergency Medicine
https://www.readbyqxmd.com/read/29395695/a-new-diagnostic-approach-to-the-adult-patient-with-acute-dizziness
#12
Jonathan A Edlow, Kiersten L Gurley, David E Newman-Toker
BACKGROUND: Dizziness, a common chief complaint, has an extensive differential diagnosis that includes both benign and serious conditions. Emergency physicians must distinguish the majority of patients with self-limiting conditions from those with serious illnesses that require acute treatment. OBJECTIVE OF THE REVIEW: This article presents a new approach to diagnosis of the acutely dizzy patient that emphasizes different aspects of the history to guide a focused physical examination with the goal of differentiating benign peripheral vestibular conditions from dangerous posterior circulation strokes in the emergency department...
January 31, 2018: Journal of Emergency Medicine
https://www.readbyqxmd.com/read/29392061/benign-paroxysmal-positional-vertigo-in-pregnancy
#13
Kübra Çoban, Nilüfer Yiğit, Erdinç Aydın
Benign paroxysmal positional vertigo (BPPV) is a clinical entity characterized by acute, brief paroxysmal attacks of rotational vertigo induced by head position changes. It is the most common peripheral vestibular pathology and is seen more frequently in women. However, to our knowledge, there is very limited data on the association between BPPV and pregnancy in both English and Turkish literature. We present four pregnant women diagnosed with BPPV for the first time during gestation and revise the etiological factors of BPPV and the role of pregnancy-related changes in BPPV...
June 2017: Turkish Archives of Otorhinolaryngology
https://www.readbyqxmd.com/read/29381990/a-case-study-of-ramsay-hunt-syndrome-in-conjunction-with-cranial-polyneuritis
#14
Ru-Wen Zheng, Di Liu, Tay E Eric, Yan-Zhe Ning, Lu-Lu Chen, Hui Hu, Yi Ren
RATIONALE: Ramsay Hunt syndrome in conjunction with cranial polyneuritis is not extensively documented, and is very easily misdiagnosed. PATIENT CONCERNS: A case of a 53-year-old male with Ramsay Hunt syndrome in conjunction with cranial polyneuritis is presented with early symptoms of vertigo, cephalalgia, and facial palsy, followed by zoster oticus 10 days later. DIAGNOSES: Diagnosis was challenging as this condition presents with multiple neuropathies, and attempting to diagnose based on clinical symptoms was often misleading...
November 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29357014/ipsilateral-saccade-hypometria-and-contralateral-saccadic-pursuit-in-a-focal-brainstem-lesion-a-rare-oculomotor-pattern
#15
Francesca Bianchi, Marie Vidailhet, Bertrand Gaymard
Eye movement examination may be used to rapidly differentiate peripheral and central vestibular syndromes in patients with acute unsteadiness. The analysis of oculomotor impairments may also support the accurate localization of cerebral lesions, particularly those in the brainstem, that are often loosely defined by cerebral MRIs. Saccades, smooth pursuit, and nystagmus were recorded with video-oculography in a patient who had developed sudden vertigo as a consequence of a focal lesion in the depth of the brachium pontis...
January 22, 2018: Cerebellum
https://www.readbyqxmd.com/read/29343311/decompensated-labyrinthine-weakness-presenting-as-de-novo-peripheral-vertigo-a-discrete-clinical-entity
#16
A F Jahn
OBJECTIVE: A distinct subgroup of patients, presenting with apparently spontaneous onset of vertigo, is described. RESULTS: Although vestibular evaluation revealed caloric weakness, the proximate cause of vertigo was not labyrinthine dysfunction, but rather the loss of vestibular compensation for an older and previously compensated labyrinthine injury. CONCLUSION: Instead of addressing the vestibular weakness, effective management needs to focus on the condition that has caused the loss of compensation...
January 18, 2018: Journal of Laryngology and Otology
https://www.readbyqxmd.com/read/29335312/author-response-clinical-reasoning-labyrinthine-hemorrhage-an-unusual-etiology-for-peripheral-vertigo
#17
Simy K Parikh, Samuel A Frank
No abstract text is available yet for this article.
January 16, 2018: Neurology
https://www.readbyqxmd.com/read/29335311/reader-response-clinical-reasoning-labyrinthine-hemorrhage-an-unusual-etiology-for-peripheral-vertigo
#18
Luke Chen
No abstract text is available yet for this article.
January 16, 2018: Neurology
https://www.readbyqxmd.com/read/29335310/editors-note-clinical-reasoning-labyrinthine-hemorrhage-an-unusual-etiology-for-peripheral-vertigo
#19
Chafic Karam, Robert C Griggs
No abstract text is available yet for this article.
January 16, 2018: Neurology
https://www.readbyqxmd.com/read/29305208/vestibulo-cochlear-function-in-inflammatory-neuropathies
#20
Marisa Blanquet, Jens A Petersen, Antonella Palla, Dorothe Veraguth, Konrad P Weber, Dominik Straumann, Alexander A Tarnutzer, Hans H Jung
OBJECTIVE: We aimed to quantify peripheral-vestibular deficits that may contribute to imbalanced stance/gait in patients with inflammatory neuropathies. METHODS: Twenty-one patients (58 ± 15 y [mean age ± 1SD]; chronic-inflammatory-demyelinating-polyneuropathy = 10, Guillain-Barré Syndrome = 5, Anti-MAG peripheral neuropathy = 2, multifocal-motor-neuropathy = 4) were compared with 26 healthy controls. All subjects received video-head-impulse testing (vHIT), caloric irrigation and cervical/ocular vestibular-evoked myogenic-potentials (VEMPs)...
April 2018: Clinical Neurophysiology: Official Journal of the International Federation of Clinical Neurophysiology
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