vertigo/hypoxia

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Effect of Intermittent Hypoxia Training for Dizziness: A Randomized Controlled Trial.

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OBJECTIVE To study the effect of intermittent hypoxia training (IHT) for dizziness. METHODS A single-blind, randomized controlled trial. All participants were recruited from a rehabilitation department in an acute university-affiliated hospital. METHODS Participants with dizziness were randomly

Effect of a glutamate blocker, ipenoxazone hydrochloride on the hypoxia-induced firing in the medial vestibular nucleus.

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To elucidate the effectiveness of the drug in the treatment of vertebrobasilar insufficiency (VBI), we performed an electrophysiological study to examine the effects of ipenoxazone hydrochloride, a glutamate blocker, on hypoxia-induced firing in the medial vestibular nucleus (MVN) neuron, using

Decreased calcium-activated potassium channels by hypoxia causes abnormal firing in the spontaneous firing medial vestibular nuclei neurons.

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Vertebrobasilar insufficiency (VBI) presents complex varied clinical symptoms, including vertigo and hearing loss. Little is known, however, about how Ca(2+)-activated K(+) channel attributes to the medial vestibular nucleus (MVN) neural activity in VBI. To address this issue, we performed

Tanshinone IIA suppresses hypoxia-induced apoptosis in medial vestibular nucleus cells via a Skp2/BKCa axis

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Background: The aim of the present study was to investigate the protective effects of Tanshinone IIA (Tan IIA) on hypoxia induced injury in medial vestibular nucleus (MVN) cells. Methods:

Hyperventilation and vertigo.

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An electronystagmographic study was conducted on 19 normal subjects, in order to observe whether the subjective sensation of dizziness provoked by hyperventilation could be confirmed objectively by nystagmus. Each of them had two electronystagmograms, the first being a routine ENG and the second a

Postural hypotension--cochleo-vestibular hypoxia--deafness.

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The postural hypotension syndrome i.e. a sudden fall in blood pressure as a result of sudden rising, leading to severe vertigo and fainting has been known for a very long time, but the diagnostic criteria for hypotension has changed recently. Medical textbooks claim that unless systolic B.P. falls

Efficacy and safety of midazolam and ketamine in paediatric upper endoscopy.

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OBJECTIVE Upper endoscopy can be successfully carried out in children under deep sedation and anaesthesia. However, the best method of upper endoscopy for children who require gastrointestinal intervention has yet to be defined. The aim of this study is to investigate the efficacy and safety of the

Craniocerebral injuries.

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The postconcussion syndrome is a definite entity, and the patient's complaints are due to legitimate injury. The following three factors contribute to the symptomatology:1. Headaches, caused by the associated sprain of the cervical spine with resultant radiculitis-giving rise to muscle spasm and

ENT morbidity at high altitude.

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BACKGROUND People suffer unique health problems in high altitude areas, due to such factors as elevation, aircraft ascent and descent, extreme cold, hypoxia, hypobaria, and low relative humidity. This study was conducted to evaluate ENT morbidity at high altitude. METHODS Serving soldiers introduced

Diving injuries to the inner ear.

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Most of the previous literature concerning otologic problems in compressed gas environments has emphasized middle ear barotrauma. With recent increases in commercial, military, and sport diving to deeper depths, inner ear disturbances during these exposures have been noted more frequently. Studies

Clinical aspects of inflight incapacitations in commercial aviation.

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Sudden incapacitations can affect a pilot and even a whole crew during a flight, preventing them from performing their task in complete safety. In some cases, they could even cause an accident. Our study examines the causes of sudden in-flight incapacitation in Air France pilots and flight engineers

Inner ear damage following electric current and lightning injury: a literature review.

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Audiovestibular sequelae of electrical injury, due to lightning or electric current, are probably much more common than indicated in literature. The aim of the study was to review the impact of electrical injury on the cochleovestibular system. Studies were identified through Medline, Embase, CINAHL

Cerebral evoked potentials in the chronic vertebrobasilar insufficiency.

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The syndrome of chronic vertebrobasilar insufficiency (VBI) consists in a complex of symptoms, often mild and transient, and lacks a complementary system of objective paraclinical investigations able to certify its existence. The study of somato-sensory, auditory and visual evoked potentials in VBI

Pediatric syncope: is detailed medical history the key point for differential diagnosis?

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Syncope is a transient loss of consciousness as a result of global cerebral hypoperfusion. It is generally benign but may be a sign of pathology. The purpose of this study was to analyze the frequency of syncope due to cardiac, neurocardiogenic, neurologic, situational, psychiatric, and other causes

Dizziness.

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Dizziness is a term that means different things to different people. In this paper, dizziness from inner ear difficulties shall be taken as synonymous with vertigo, a sense of spinning in space coupled with being unsteady afoot, nauseated, and usually in a spacey, distracted state of mind. Dizziness

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