The Medical clinics of North America
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Med. Clin. North Am. · May 1991
Diagnosis and treatment of muscle contraction (tension-type) headaches.
Acute tension-type headache is a very common condition that rarely is a problem in treatment. Chronic tension-type headache, however, is often a difficult therapeutic problem. The pathogenesis is not well understood, but both peripheral muscle contraction and central pain-modulating systems are probably involved. Therapy usually works best when multiple techniques are used, including pharmacologic, psychological, and physiologic modalities.
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We have discussed several miscellaneous headache disorders not associated with structural brain disease. The first group included those headaches provoked by "exertional" triggers in various forms. These include benign cough headache, BEH, and headache associated with sexual activity. ⋯ The pain can be exacerbated by exercise. The best treatment is prevention via slow ascent and avoidance of respiratory depressants. Acetazolamide and dexamethasone have proved useful in preventing this syndrome.
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Pain around the eye can be caused by local ophthalmic disorders or by disease of other structures sharing trigeminal nerve sensory innervation. In general, most ocular causes for pain also cause the eye to be red, thus alerting the examiner to the focality of the problem. However, conditions like eyestrain, intermittent angleclosure glaucoma or neovascular glaucoma, and low-grade intraocular inflammation can be painful and not be associated with obvious redness. ⋯ Headache and transient visual loss can be manifestations of classic migraine, or be symptoms of ocular hypoperfusion from ipsilateral internal carotid occlusion or increased intracranial pressure from pseudotumor cerebri. In a young patient, head pain with a fixed visual deficit may result from optic neuritis, in an older adult, temporal arteritis may be the culprit. Ophthalmologic aspects of headache thus encompass problems that range from simple and benign to complex and formidable.
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Although headache is the most common sequelae of head injury, the posttraumatic headache is associated frequently with dizziness, irritability, lack of concentration, and intolerance to alcohol ingestion as a part of a symptom complex known as the postconcussion syndrome. This article clarifies the definitions of acute traumatic headache, posttraumatic headache, and the postconcussion syndrome and improves diagnostic ability, making the assessment and treatment of patients with these three conditions more accurate and effective.
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Subarachnoid hemorrhage causes sudden, severe headache and requires immediate medical and surgical diagnosis and treatment. A CT scan is the first choice for correct diagnosis. In order to prevent rebleeding, delays in treatment should be avoided. ⋯ Ischemic cerebrovascular disease is frequently accompanied by headache, but its etiology remains uncertain. Thrombosis of the cerebrovenous system is a less frequent cause of head pain than that of the arterial system, but it usually shows characteristic neurologic signs. Following carotid endarterectomy or superficial temporal artery-middle cerebral artery bypass surgery, the patient may have moderate to severe unilateral headaches, probably as a result of platelet aggregation and serotonin release.