Headaches in Older Patients: Special Problems and Concerns
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REVIEW ROBERT S. KUNKEL, MD CME Consultant, Cleveland Clinic Headache Center, CREDIT Cleveland Clinic; past president, American Headache Society; past president, National Headache Foundation Headaches in older patients: Special problems and concerns ■ ABSTRACT EADACHE IN AN ELDERLY PATIENT poses H special problems and concerns—and in Any patient older than 50 years who develops headaches the field of headache, the term “elderly” often for the first time or who has a change in a chronic means people over age 50! headache pattern should be investigated for an Age 50 may not seem so old, but it does underlying cause or exacerbating condition. Several seem to be a reasonable dividing line. The headache syndromes occur almost exclusively in older three most common headache conditions, ie, people. One of these, temporal arteritis, needs to be migraine, tension-type headache, and cluster recognized and promptly treated with corticosteroids to headache, almost always appear before age avoid permanent visual loss. Other causes of headache 45. Conversely, some headache syndromes that are more common in older people include subdural occur more commonly in older people, and a few occur almost exclusively in people older hematomas, trigeminal neuralgia, herpes zoster infection, than 50. and malignancies. Furthermore, common headache syn- ■ dromes are often associated with concomi- KEY POINTS tant medical conditions in this age group, Migraine rarely arises initially in older people, and attacks which may cause problems in management. Headaches that are secondary to other dis- tend to diminish with age. However, migraine auras eases (including malignancies) are much without headache may become more common in people more common in older people. Many elderly with a history of migraine and must be distinguished people also take multiple medications, some from ischemic attacks. of which can cause headaches. For these reasons, any headache occurring Tension headaches can arise from a number of age- for the first time in someone over the age of 50, related causes, including arthritis, degenerative changes, or a changing headache pattern in a patient visual abnormalities, and ill-fitting dentures. with chronic headaches, necessitates a com- plete evaluation to look for an underlying cause. Subdural hematoma can develop even without direct ■ head trauma or, gradually, several weeks after mild MIGRAINE TENDS trauma. TO DIMINISH WITH AGE Migraine rarely occurs for the first time after Trigeminal neuralgia causes waves of sharp pain age 40. An older person who presents with the triggered by touching the face, laughing, or chewing. new onset of migraine should be evaluated for “symptomatic migraine,” meaning a migraine- Patients presenting with headache should have their type headache due to an underlying condition. medication list reviewed: a number of common drugs can Usually, migraine attacks become less fre- cause headache. quent and milder over the years, and associat- ed problems, such as nausea and general dis- 922 CLEVELAND CLINIC JOURNAL OF MEDICINE VOLUME 73 • NUMBER 10 OCTOBER 2006 Downloaded from www.ccjm.org on September 29, 2021. For personal use only. All other uses require permission. TABLE 1 Distinguishing migraine-associated symptoms from ischemia-associated symptoms SYMPTOMS MIGRAINOUS ISCHEMIC Visual Bright, shimmering Dark, dim Both visual fields Unilateral Moving shapes Static 15–60 minutes in duration 2–5 minutes in duration Paresthesias Come on gradually Arise suddenly Area involved first clears last Symptoms develop and clear in same order 20–30 minutes in duration 5–10 minutes in duration ability, tend to diminish. Most women with tends to last for 20 to 30 minutes and then hormonally triggered migraine have few clears in the reverse order. In contrast, attacks after menopause. ischemic paresthesias tend to arise suddenly, On the other hand, migraine variants last only 5 to 10 minutes, and clear in the such as migraine aura without headache, total same order they developed. global amnesia, and transient migrainous Total global amnesia lasts 1 to 3 hours, accompaniments occur more commonly in during which the patient functions and acts older patients with a history of migraine.1,2 normally, with no other neurologic deficit, but afterward cannot recall anything that hap- Distinguishing migraine aura pened. Total global amnesia was once thought from ischemic attacks to be an epileptic disorder but is now believed It is important to distinguish between visual or to be migrainous. Migraine neurologic symptoms associated with migraine rarely occurs (ie, auras, which may occur without a subse- Treating migraine in older people quent headache) and those associated with Triptans and ergotamines are vasoconstrictors for the first ischemic disease (TABLE 1). Cerebral vascular and should be used cautiously in older time after disease, clotting disorders, and embolic phe- patients. They are contraindicated in patients nomena must be excluded in patients with with uncontrolled hypertension or evidence of age 40 episodic visual or neurologic symptoms. cerebral, coronary, or peripheral vascular dis- Visual symptoms associated with ease, but they appear to be safe in patients migraine aura tend to evolve slowly and last without evidence of significant vascular dis- from 15 minutes to 1 hour. The visual abnor- ease. Hall et al,3 in a study of 13,664 patients malities seem to enlarge, grow, move across with migraine with prescriptions for triptans, the visual field, and then clear. They tend to found no increased risk of stroke, myocardial be “positive” (bright and shimmering), may infarction, cardiovascular death, ischemic take on various designs, and are homonymous heart disease, or death compared with (occur in both visual fields). matched controls without migraine.3 In contrast, the visual defects of transient Preventive drugs (ie, those that are taken ischemic attacks are usually dark, dim, and sta- on a regular schedule to prevent migraine tic. Symptoms tend to last for only a few min- attacks, such as calcium channel blockers, utes and are usually unilateral because one of beta-blockers, anticonvulsants, antidepres- the carotid arteries is more narrowed than the sants, and nonsteroidal anti-inflammatory other. drugs [NSAIDs]), may be effective at lower Paresthesias due to migraine (transient doses in older patients. migrainous accompaniments) tend to spread Patients who use NSAIDs long-term slowly up or down the extremities. Tingling should be closely monitored for azotemia, CLEVELAND CLINIC JOURNAL OF MEDICINE VOLUME 73 • NUMBER 10 OCTOBER 2006 923 Downloaded from www.ccjm.org on September 29, 2021. For personal use only. All other uses require permission. HEADACHES IN OLDER PATIENTS KUNKEL TABLE 2 irritated from disease in the upper cervical spine. An occipital nerve block should pro- Possible causes of tension- vide relief. type headache in the elderly Degenerative changes at any level, how- Anxiety, stress ever, can irritate the cervical muscles, causing Depression spasm, local tenderness, and limited range of Cervical spondylosis motion. Poor posture with slouching, rounded Poor posture shoulders, and a forward-positioned head are Temporomandibular joint disorders common in the elderly and may cause pain Degenerative arthritis in the joint from strain, spasm, and tightness in the cervi- Malalignment of the bite cal muscles. Clenching, bruxism Uncorrected refractive errors Treatment of tension headache Overuse of analgesics (rebound headache) in the elderly Endocrine disorders Physical therapy with exercises for range of motion, posture, and balance may help some patients with neck and head pain and may worsening of hypertension, or enhanced cere- lessen the need for medications. If stress is an bral or coronary artery disease. The newer important factor, relaxation techniques, cyclooxygenase-2 inhibitors cause less gastric biofeedback, and stress management skills irritation and are often very effective in easing may help. the pain of migraine but have either been Preventive medications for tension-type removed from the market or have been great- headache such as tricyclic antidepressants, ly restricted because of the increased risk of muscle relaxants, and NSAIDs should be used stroke and coronary events due to their block- with caution in the elderly because of possible ing the effects of prostaglandins.4 sedation and other side effects. Migrainous auras that occur without Rebound headache or analgesic-main- Consider headache are usually infrequent and do not tained headache can occur when analgesics rebound require treatment. are used daily or near-daily. In a vicious circle, these medications are believed to suppress headache ■ TENSION-TYPE HEADACHE endogenous endorphins and sensitize neurons, in anyone CAN BE DUE TO AGE-RELATED CAUSES so that headache recurs when blood levels drop.6 Rebound headache should be consid- who wakes Tension-type headache usually appears before ered in anyone who wakes every morning every morning age 45, but can develop later due to a number with a headache. with a of age-related factors, alone or in combination (TABLE 2).5 As in younger patients, stress and ■ CLUSTER HEADACHE headache depression are the most common causes. However, in older people, excessive muscle Cluster headache, like migraine, tends to be tension in the neck, scalp, and face may be less of a problem as one grows older, as the caused or aggravated by cervical arthritis, poor attacks tend to come further apart with longer