[Fr. goute fr. L. gutta, a drop]
A form of arthritis marked by the deposition of monosodium urate crystals in joints and other tissues. Any joint may be affected, but gout usually begins in the knee or the first metatarsophalangeal joint of the foot. Most attacks occur between midnight and 7 a.m.
SYN: SEE: monosodium urate deposition disease
Most hyperuricemic people are asymptomatic between acute attacks. When an attack of acute gouty arthritis develops, it usually begins at night with moderate pain that increases in intensity to the point where no body position provides relief. Low-grade fever and joint inflammation (hot, exquisitely tender, dusky-red or cyanotic joints) may be present.
GOUT Uric acid crystals and white blood cells in synovial fluid (orig. mag. ×500)
ACUTE GOUT The entire foot of this patient is inflamed and swollen.
Colchicine, nonsteroidal anti-inflammatory agents, or corticosteroids are used to treat acute gouty attacks. Long-term therapy aims at preventing hyperuricemia by giving uricosuric drugs such as probenecid, or xanthine oxidase inhibitors such as allopurinol. Patients with gout have a tendency to form uric acid kidney stones. The diet should be well balanced and devoid of purine-rich foods, e.g., anchovies, sardines, liver, kidneys, sweetbreads, lentils, beer, wine, and other alcoholic beverages, because these raise urate levels. Fluid intake should be encouraged.
During the acute phase, bedrest is prescribed for at least the first 24 hr, and affected joints are elevated, immobilized, and protected by a bed cradle. Analgesics are administered, and hot or cold packs applied, depending on which the patient finds most helpful. The patient is taught about these measures. Colchicine, nonsteroidal anti-inflammatory agents, prednisone, or other prescribed drugs are administered. Allopurinol may be prescribed as maintenance therapy after acute attacks to suppress uric acid formation and control uric acid levels, thus preventing future attacks. Patients should be warned to report adverse effects of allopurinol, e.g., drowsiness, dizziness, nausea, vomiting, urinary frequency, dermatitis. A low-purine diet is recommended. The importance of gradual weight reduction is explained if obesity, which places additional stress on painful joints, is a factor. If soft-tissue tophi are present, e.g., near joints in fingers, knees, or feet, the patient should wear soft clothing to cover these areas and should use meticulous skin care and sterile dressings to prevent infection of open lesions.
Surgery may be required to excise or drain infected or ulcerated tophi, to correct joint deformities, or to improve joint function. Even minor surgery may precipitate attacks of gout, usually within 24 to 96 hr after surgery; therefore, the patient should be instructed about this risk and medications administered as prescribed to prevent acute attacks. The goal of chronic management of gout is to maintain serum uric acid levels below 6 mg/dL. At these levels chronic complications of gout are limited.
A persistent form of gout.
SEE: Saturnine gout
Goutlike symptoms associated with lead poisoning.
SYN: SEE: lead gout
Gout marked by the development of tophi in the joints and in the external ear.
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