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Oral contraceptives (OCs) are a safe and highly effective method of birth control, but can also be associated with some risks, mainly a potential thrombotic risk. OCs may condition the course of headache and sometimes start it, but their influence on the clinical evolution of migraine is not easily assessable. The last Classification of Headache Disorders of the International Headache Society clearly identifies an "exogenous hormone-induced headache" that could be triggered by intake of OCs. Old high-dose OCs could effectively worsen headache in a significant proportion of patients, but the newest formulations influence headache course to a lesser extent. In any case, while an increase in migraine frequency or intensity do not oblige the cessation of OCs, experiencing a migraine aura for the first time, or even a clear worsening of a preexistent aura suggest discontinuation of OCs. Even if both migraine and OCs intake are associated with an increased risk of ischaemic stroke, migraine per se is not a contraindication for OCs use; however, patients suffering from migraine with aura generally show a greater thrombotic risk than women with migraine without aura. Other risk factors (patient's age, tobacco use, hypertension, hyperlipidaemia, obesity and diabetes) must be carefully considered when prescribing OCs in migraine patients. Furthermore, all OCs, even those with low oestrogen content, are a major risk for venous thrombosis, particularly in women with hereditary thrombophilia. A thorough laboratory control of the genetics of prothrombotic factors and coagulative parameters should precede any decision of OCs prescription in migraine patients.
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PMID:Oral contraceptives in women with migraine: balancing risks and benefits. 1554 39

A 41-year-old man with hypertension and hyperlipidemia who complained of left hemiparesis after a temporal headache was admitted to our hospital. A cervical MRI with gadolinium enhancement revealed an intramural hematoma is compatible with right extracranial internal carotid artery dissection. Two weeks later, he complained of sudden onset of pain in the right side of his neck. The right extracranial internal carotid artery dissection followed by the right extracranial vertebral artery dissection was diagnosed. Spontaneous cervical artery dissection (SCAD) is one of the causes of stroke in young adults. The pathogenesis of SCAD remains unknown. Minor trauma like an excessive sneeze, migraine, and connective tissue disorders such as fibromuscular dysplasia and Ehlers-Danlos syndrome are well-known as risk factors for SCAD. Pathologically skin collagen abnormalities have been seen in German patients with SCAD without clinical evidence for any specific connective tissue disorder. We examined the ultrastructural morphology of the Japanese patient's dermal connective tissue components by electron microscopy. The patient's collagen fibers contained fibrils with highly variable diameters, and there were other ultrastructural abnormalities, including flower-like fibrils and large-diameter composite fibrils. This is the first report of a case of ultrastructural abnormalities of dermal connective tissue in a Japanese patient with SCAD.
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PMID:[Skin collagen abnormalities in a Japanese patient with extracranial internal carotid artery dissection followed by extracranial vertebral artery dissection]. 1661 39

Migraine is a common subtype of headache. Epidemiological studies have revealed that migraine could be an independent risk factor for ischemic stroke even in elderly subjects. Arterial stiffness is one of the major pathophysiological bases of stroke. In the present study, we cross-sectionally investigated the possible relationship between migraine and arterial stiffness in community-dwelling subjects. The study subjects were independently recruited from two sources (Group A, n=134, 68+/-5 years; Group B, n=138, 68+/-7 years). Augmentation index (AI), the ratio of augmented pressure by the reflection pressure wave to the pulse pressure, was obtained from the radial arterial waveform as an index of arterial stiffness. Brachial blood pressure was also measured simultaneously. Migraine was diagnosed using a previously validated questionnaire. The prevalence of migraine was 5.2% (Group A) and 16.7% (Group B). Subjects with migraine had higher radial AI in both Group A (migraine, 101+/-15%; other headache, 88+/-12%; no headache, 86+/-12%, p=0.003) and Group B (95+/-11%, 90+/-11%, 91+/-14%, p=0.058). Multiple linear regression analysis revealed that migraine was an independent determinant of AI (beta=0.154, p=0.002) after adjustment for other confounding factors: age (beta=-0.024, p=0.654); sex (beta=0.141, p=0.069); body height (beta=-0.215, p=0.005); systolic blood pressure (beta=0.174, p=0.001); medication for hypertension, hyperlipidemia, and diabetes mellitus (beta=-0.014, p=0.787); and heart rate (beta=-0.539, p<0.001). In a separate analysis by sex, migraine was also a significant determinant for AI (male, beta=0.246, p=0.019; female, beta=0.159, p=0.008). Migraine in the elderly could be a clinical manifestation of enhanced arterial stiffness.
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PMID:Migraine is associated with enhanced arterial stiffness. 1778 24

In single cases mitochondrial disorders may manifest as pancreatitis, but recurrent, chronic pancreatitis with exacerbations of at least 15 times without morphological alterations of the pancreas but concomitant diabetes mellitus has not been reported. In a 57-year-old Caucasian male mitochondrial disorder was diagnosed at the age of 49 years upon epilepsy with generalized and focal seizures, cognitive decline, migraine, mitochondrial myopathy, polyneuropathy, diabetes mellitus, hypokalie-mia, hyperlipidemia, atrial fibrillation, heart failure, sicca syndrome, recurrent pancreatitis, chronic diarrhea, polydipsia, hyperhidrosis, steatosis hepatis, anemia, thrombopenia, an abnormal lactate stress test, and a muscle biopsy showing ragged-red muscle fibers, single completely COX-negative fibers, target fibers, increased number of sarcoplasmatic lipid droplets, but normal mitochondrial morphology on electron microscopy. Between the age of 33 years and the age of 44 years, at least 15 episodes of pancreatitis, manifesting as severe abdominal pain, and elevated exocrine pancreatic enzymes, but without morphological alterations of the pancreas, responding well to H2-blockers and food restriction had occurred. Recurrent pancreatitis without morphological alterations of the pancreas may be a feature of multisystem mitochondrial disorder resulting in diabetes mellitus. Physicians should familiarize with pancreatitis as a manifestation of a mitochondrial disorder and mitochondrial disorder should be excluded in patients with pancreatitis.
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PMID:Recurrent pancreatitis as a manifestation of multisystem mitochondrial disorder. 1791 91

Estrogen and progesterone affect endothelial function, coagulation factors, platelet function, lipids, and inflammation and have neuroprotective effects in experimental animals. Oral contraceptives containing low-dose estrogen increase the risk of ischemic stroke, but the absolute risk is low. Risk factors further increasing the risk of stroke in users of oral contraceptives include smoking, hypertension, diabetes, hyperlipidemia, migraine with aura, and thrombophilia. Progestin-only contraceptives do not increase the risk of stroke and are preferable in women with cerebrovascular disease or risk factors. Hormone replacement therapy (HRT) with estrogen alone or combined with progesterone increases the risk of ischemic stroke by 40% with no effect on hemorrhagic stroke. Stroke risk increases with the dose of estrogen. The time between menopause and the initiation of HRT does not influence ischemic stroke risk. The only indication for HRT is the treatment of vasomotor symptoms; if needed for this purpose, the lowest dose of estrogen should be used for the shortest possible duration.
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PMID:Use of oral contraceptives and postmenopausal hormone replacement: evidence on risk of stroke. 1899 Mar 15

Combined oral contraceptives are a safe and highly effective method of birth control, but they can also raise problems of clinical tolerability and/or safety in migraine patients. It is now commonly accepted that, in migraine with aura, the use of combined oral contraceptives is always contraindicated, and that their intake must also be suspended by patients suffering from migraine without aura if aura symptoms appear. The newest combined oral contraceptive formulations are generally well tolerated in migraine without aura, and the majority of migraine without aura sufferers do not show any problems with their use; nevertheless, the last International Classification of Headache Disorders identifies at least two entities evidently related to the use of combined oral contraceptives: exogenous hormone-induced headache and estrogen-withdrawal headache. As regards the safety, even if both migraine and combined oral contraceptive intake are associated with an increased risk of ischemic stroke, migraine without aura per se is not a contraindication for combined oral contraceptive use. Other risk factors (tobacco use, hypertension, hyperlipidemia, obesity and diabetes) must be carefully considered when prescribing combined oral contraceptives in migraine without aura patients, in particular in women aged over 35 years. Furthermore, the exclusion of a hereditary thrombophilia and of alterations of coagulative parameters should precede any decision of combined oral contraceptive prescription in migraine patients.
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PMID:Oral contraceptives in migraine. 1927 47

A 45-year-old man with a past history of hypertension and hyperlipidemia presented with right dorsal pontine hemorrhage manifesting as transient burning pain in the right orbital region, followed by numbness and mild weakness of the left side of the body. Magnetic resonance imaging showed a hyperintense lesion in the right dorsal pons on T(1)-weighted and T(2)-weighted images, but no other abnormalities suggesting vascular lesions in the midbrain, medulla, cerebellum, or cerebrum. These findings were consistent with the subacute stage of small pontine hemorrhage. He was treated to decrease his blood pressure. The symptoms gradually improved and he has suffered neither recurrence of the orbital pain nor migraine for several months after the first episode of headache. The trigeminal nociceptive system in the dorsal lateral pons may be linked to this characteristic pain, as suggested by reports of secondary migraine caused by cavernous hemangioma and arteriovenous malformation, and activation of the dorsal lateral pons during migraine attacks on positron emission tomography.
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PMID:Transient burning pain in the ipsilateral orbit as an initial manifestation of dorsal pontine hemorrhage: case report. 1946 91

Migraine, especially migraine with aura (MA), is an established risk factor for ischemic lesions of the brain. Recent evidence has also linked migraine to a broader range of ischemic vascular disorders including angina, myocardial infarction, coronary revascularization, claudication, and cardiovascular mortality. The mechanisms which link migraine to ischemic vascular disease remain uncertain and are likely to be complex. Cortical spreading depression, the presumed substrate of aura, may directly predispose to brain lesions and that would explain why MA is consistently demonstrated as a risk factor for cerebral ischemia, while for migraine without aura (MO), the evidence is less consistent. Additionally, individuals with migraine have a higher prevalence of risk factors known to be associated with cardiovascular disease (CVD), including hypertension, diabetes, and hyperlipidemia. The increased prevalence of CVD risk factors is also higher for MA than for MO. Since the evidence linking migraine and CVD is getting robust, neurologists should be aware of this association. Individuals with MO seem to be at little increased risk of CVD. MA is associated with an increased risk of ischemic stroke and likely also for other ischemic CVD events. Accordingly, heightened vigilance is recommended for modifiable cardiovascular risk factors in migraineurs, especially with MA. Ultimately, it will be important to determine whether MA is a modifiable risk factor for CVD and if preventive medications for migraine or antiplatelet therapy might reduce the risk of CVD in patients with MA.
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PMID:Migraine and cardiovascular disease: possible mechanisms of interaction. 1947 Sep 70

A 62-year-old woman entered a cardiac rehabilitation program for help with weight loss and fitness, and also for monitoring of episodic atrial fibrillation, which had begun in 1992. She was able to exercise without triggering atrial fibrillation. Additional past medical problems included glucose intolerance (treated with diet), hyperlipidemia, hypertension, migraine headaches, degenerative disease of the spine, and a duodenal ulcer.
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PMID:ECG Quiz: Dizziness in a Cardiac Rehabilitation Patient. 2008 89

Previous reports of comorbid conditions in poliomyelitis survivors mainly focused on some disease categories, such as respiratory diseases, gastrointestinal diseases, psychiatric diseases, neurological diseases and cancer. Data regarding a wide spectrum of medical comorbidities in patients with poliomyelitis is still sparse. This study aimed to investigate and profile the wide range of comorbidities among the survivors of paralytic poliomyelitis in a Chinese population. In total, 2,032 paralytic poliomyelitis patients were selected as the study group and the comparison group consisted of 10,160 randomly selected enrollees. The comorbidities for analysis were based on a modified version of the Elixhauser Comorbidity Index. Conditional logistic regression analyses were computed to investigate the risk of comorbidities for these two groups. As compared to controls, patients with paralytic poliomyelitis had significantly higher prevalence of hypertension, ischemic heart disease, hyperlipidemia, congestive heart failure, cardiac arrhythmias, peripheral vascular disorder, stroke, paralysis, migraines, Parkinson's disease, rheumatoid arthritis, ankylosing spondylitis, pulmonary circulation disorders, chronic pulmonary disease, liver disease, peptic ulcers, hepatitis B or C, deficiency anemias, depression, and lymphoma. Most of the differences are of clinical interest, ORs often being between 2 and 3. No significant difference between poliomyelitis patients and controls was observed in the prevalence of SLE, tuberculosis, alcohol abuse and drug abuse. Our findings demonstrate that survivors of paralytic poliomyelitis in Taiwan are at higher risk of having multiple medical comorbidities although some potential confounding factors including educational level, marital status, obesity and physical activity are not available in our database. The pattern is generally consistent with previous observations from Western populations. Nevertheless, we found several novel associations which have rarely, if ever, been reported previously.
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PMID:Comorbidity profile of poliomyelitis survivors in a Chinese population: a population-based study. 2127 17


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