hypercapnia/headache

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[A case of myotonic dystrophy with morning headache following sleep apnea syndrome].

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We reported a 39-year-old man with myotonic dystrophy. He suffered from morning headache. Respiratory function tests showed restrictive pattern and arterial gas analysis showed hypoxia and hypercapnia with respiratory acidosis (PaCO2 50.8 mmHg, PaO2 63.8mmHg, pH 7.317, SaO2 89.8%). Polysomnograph

Idiopathic hypoventilation syndrome: importance of preventing nocturnal hypoxemia and hypercapnia.

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This report describes a young woman with unexplained chronic hypoventilation that was greatly exacerbated during sleep. Treatment with nocturnal O2 during a 2-yr period was associated with stable cardiovascular function but severe morning headaches and lethargy, presumably related to nightly bouts

Diving Headache.

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This review will focus on the most recent information regarding the ICHD-3 definition of diving headache as well as other important causes of diving headache that are not listed in the ICHD-3 classification system. The paper will discuss etiology, diagnosis, and management of these disorders,

Headache and Methemoglobinemia.

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This basic review is intended to summarize the current knowledge of methemoglobinemia as an important cause of secondary headache with the hope of generating a growing interest in studying this phenomenon.We describe the pathological underpinnings of

Headache and Its Approach in Today's NeuroIntensive Care Unit.

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Headache is a very common symptom in the neurointensive care unit (neuroICU). While headache in the neuroICU can be caused by worsening of a pre-existing primary headache disorder, most are secondary to another condition. Additionally, headache can be the presenting symptom of a number of conditions

Sleep-related breathing disorders and headache.

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Obtructive sleep apnoea syndrome (OSAS) is a common disorder in the general population with an estimated prevalence in an adult population of 2% in women and 4% in men. Although several studies have suggested that headaches, particularly morning headaches, are more common in patients with OSAS than

The metabolic headaches.

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This review discusses headaches secondary to disorders of homeostasis, formerly known as "headaches associated with metabolic or systemic diseases." They include the headaches attributed to 1) hypoxia and/or hypercapnia (high altitude, diving, sleep apnea); 2) dialysis; 3) arterial hypertension; 4)

Metabolic headaches.

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This article discusses headaches secondary to disorders of homeostasis, which include headaches attributed to (1) hypoxia and/or hypercapnia (high-altitude, diving, or sleep apnea), (2) dialysis, (3) arterial hypertension (pheochromocytoma, hypertensive crisis without hypertensive encephalopathy,

Cerebrovascular reactivity in migraine during headache-free intervals.

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Alterations of intracranial vessel tone have been implicated in the pathophysiology of migraine. The cerebrovascular reactivity was measured by means of transcranial Doppler in 60 migraine patients with (n = 30) or without aura (n = 30) during the headache-free interval and in 30 healthy controls.

[Mechanical ventilation in neuromuscular diseases: do not start too early, but certainly not too late].

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Three patients had chronic respiratory disorders: a 42-year-old man with glycogenosis type II was tired, had headaches, poor pulmonary function values and, according to the arterial blood gas values, hypercapnia; a man aged 24 with Duchenne's muscular dystrophy had variable moderate dyspnoea with

Significant phenotype variability of congenital central hypoventilation syndrome in a family with polyalanine expansion mutation of the PHOX2B gene.

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BACKGROUND Congenital central hypoventilation syndrome (CCHS) is a rare genetic disorder resulting from mutations in the PHOX2B gene located on chromosome 4p12.3, characterized by hypoventilation secondary to missing responses to both hypercapnia and hypoxia. METHODS Proband. A girl, hospitalised 5

[Neuromuscular disease and sleep disturbance].

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In neuromuscular diseases, respiratory disorder is related to sleep disorder. In Duchenne muscular dystrophy, respiratory muscle disorder progresses and induces alveolar hypoventilation. Hypoxemia and hypercapnia develop, requiring appropriate management. Hypoxemia first appears during sleep,

Symptoms of central nervous system oxygen toxicity during 100% oxygen breathing at normobaric pressure with increasing inspired levels of carbon dioxide: a case report.

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The greatest danger faced by divers who use oxygen-enriched gas mixtures is central nervous system oxygen toxicity (CNS-OT). CNS-OT is characterised by convulsions resembling grand-mal epileptic seizures, which may terminate in drowning and death. Elevated arterial levels of carbon dioxide (CO₂)

Transcranial Doppler evaluation in migraineurs.

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Transcranial Doppler (TCD) enables indirect assessment of cerebral circulation by measurement of cerebral blood flow velocity. Stenosis and occlusion of cerebral vessels or cerebral vasospasm can be detected with this non-invasive method. Moreover, changes in cerebral blood flow velocity in response

Treatment of acute migraine by a partial rebreathing device: A randomized controlled pilot study.

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Background Impaired brain oxygen delivery can trigger and exacerbate migraine attacks. Normoxic hypercapnia increases brain oxygen delivery markedly by vasodilation of the cerebral vasculature, and hypercapnia has been shown to abort migraine attacks. Stable normoxic hypercapnia can be induced by a

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