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  • 1
    Electronic Resource
    Electronic Resource
    USA/Oxford, UK : Blackwell Science Ltd
    Cephalalgia 15 (1995), S. 0 
    ISSN: 1468-2982
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Fifteen-thousand-five hundred adults (³20 years) in a rural district in Ethiopia with a population of 250 000 were studied for chronic headache. Door-to-door survey was performed by trained lay health workers using a questionnaire with a high degree or reliability and validity. The 1-year prevalence of migraine headache was 3.0% (4.2% for females and 1.7% for males) with the peak age specific rate in the fourth decade. Migraine headache was about three times more common in females than in males at any decade. Two-thirds of migraine sufferers had rather frequent attacks. The most frequent trigger factors were emotional stress (90%), changes of weather (78%), physical exhaustion (75%), and smell (70%). Migraine with aura was rare. Family occurrence of migraine in first-degree relatives was 30%. The 1-year prevalence of chronic tension-type headache was 1.7%, while cluster headache was found to be extremely rare. Compared to similarly performed surveys, the prevalence of migraine among rural Ethiopians was less than among Nigerian Africans.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Amsterdam : Elsevier
    Social Science & Medicine 32 (1991), S. 203-209 
    ISSN: 0277-9536
    Keywords: 'evil spirit' ; Africa ; attitudes ; epilepsy ; knowledge
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Medicine
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Amsterdam : Elsevier
    Prostaglandins 17 (1979), S. 405-409 
    ISSN: 0090-6980
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Medicine
    Type of Medium: Electronic Resource
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  • 4
    ISSN: 0942-0940
    Keywords: Cerebrospinal fluid hydrodynamics ; craniectomy ; cranioplasty ; “syndrome of the trephined”
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Forty patients with cranial bone defects after craniectomy underwent extensive cerebrospinal fluid (CSF) hydrodynamic investigations by means of a CSF infusion test before and after cranioplasty. The results of these investigations were related to the clinical signs of the patients before and after cranioplasty and to the size and location of the skull bone defect. Twenty-two patients were considered to have “the syndrome of the trephined” (ST). The remaining patients were either free of symptoms or had symptoms not related to ST. CSF hydrodynamic variables that were changed before and normalized after cranioplasty include the following: Resting pressure, sagittal sinus pressure, buffer volume, elastance at resting pressure and pulse variations at resting pressure. The changes were statistically significant mainly in ST patients who were also relieved of their symptoms after cranioplasty.
    Type of Medium: Electronic Resource
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  • 5
    Electronic Resource
    Electronic Resource
    Springer
    Medical & biological engineering & computing 20 (1982), S. 167-180 
    ISSN: 1741-0444
    Keywords: C.S.F. conductance ; C.S.F. hydrodynamics ; C.S.F. infusion ; C.S.F. pressure regulation ; C.S.F. production ; C.S.F. resting pressure ; Sagittal sinus pressure
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology , Medicine
    Notes: Abstract Instrumentation developed for the direct study of the human cerebrospinal fluid (c.s.f.) system is described. The configuration consists of a servo pressure regulator, two pressure transducers, a special function generator, an electronic pressure limiter, a strain-gauge balance, a volume and flow-rate meter, a c.s.f. conductance calculator, a 4-channel pen recorder, an x/y pen recorder and an ink-jet recorder. It is possible to regulate the c.s.f. pressure to any value between — 2·0 and 10.0 kPa or to regulate the flow rat of fluid into or out of the patient or to perform simple bolus injections/withdrawals. The c.s.f. model used allows indirect calculation of the pressure in the sagittal sinus and the pressure difference between the subarachnoid space and the sagittal sinus. The instrumentation is currently used for the study of c.s.f. pressure, c.s.f. formation rate, c.s.f. absorption rate, conductance of c.s.f outflow pathways, c.s.f. pressure/volume relationship and neurosurgical shunt systems. We have shown that the method of constant-pressure c.s.f infusion is faster than the method of constant-flow-rate c.s.f. infusion in obtaining reliable measuremnts of c.s.f. outflow conductance.
    Type of Medium: Electronic Resource
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