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Gout: modern management of an ancient malady.

If Dr. Sydenham could have benefited from today's therapy, he likely would not have had to endure thirty years of "violent ... torture" that gave birth to his most elegant and classic description of acute gout. The five key points to remember in management of the gouty spectrum are: (1) Establish the diagnosis as clearly as possible or as clearly as seems necessary under the clinical circumstances (i.e. arthrocentesis with crystal analysis to establish diagnosis is not always necessary with reliable patients when septic joint seems highly unlikely). (2) Treat acute attacks with NSAIDs alone or perhaps steroids--or rarely IV colchicine under special circumstances. (3) DO NOT START ALLOPURINOL OR PROBENECID DURING AN ACUTE FLARE OF GOUT--IT MAY MAKE THE EPISODE WORSE. (4) The pattern of disease over time (frequency and severity of attacks) determines whether or not one decides to use an agent such as allopurinol, probenecid, or prophylactic colchicine chronically once a patient is over the acute attack--the mere presence of increased uric acid and a single or rare gouty attack would not usually require any other than the appropriate acute therapy. (5) The presence of visible tophi, uric acid renal calculi and destructive gouty arthritis nearly always warrant uric acid lowering therapy.

Allopurinol↗

Finger pad tophi in gout.

OBJECTIVE: To determine frequency and prevalence of finger pad tophaceous deposits in patients with chronic tophaceous gout. METHODS: We examined 36 consecutive patients with chronic tophaceous gout for intracutaneous tophaceous urate deposits in the fingers pads. Subjects were patients of outpatient clinics at 2 large university hospitals, Emory and the University of Pennsylvania Affiliated Hospital Systems. RESULTS: Finger pad tophaceous deposits were found in 30.5%, which was surprising, given how few cases are reported. CONCLUSION: Finger pad tophi may be more common than generally believed.

Adult↗

Lead and the kidney: nephropathy, hypertension, and gout.

Lead intoxication in human beings has been documented since the second century B.C. Renal disease, hypertension, and gout have all been linked to lead by strong circumstantial evidence. Both acute and chronic nephropathy can occur as a result of lead poisoning. Acute renal failure develops following acute lead intoxication and is often associated with gastrointestinal, neurologic, and hematologic disorders. Both blood and urinary laboratory abnormalities are associated with acute intoxication and are often diagnostic. Chronic lead nephropathy, a chronic tubulointerstitial nephritis on biopsy, occurs in the setting of long-term lead exposure and is often associated with hypertension and gout. Diagnosis of chronic lead nephropathy is more difficult since the laboratory abnormalities seen with acute lead intoxication are not present with chronic lead exposure. The typical clinical picture and the exclusion of other causes of renal disease allow the diagnosis of chronic lead nephropathy to be made. Evaluation of lead stores by either the calcium disodium edetate (EDTA) mobilization test or K-x-ray fluorescence are helpful in clinching the diagnosis. Treatment with EDTA lead mobilization is effective for acute lead poisoning while avoidance of further lead exposure prevents recurrence of lead intoxication. Treatment of chronic lead nephropathy with EDTA lead mobilization is useful if renal failure is modest; however, EDTA mobilization is of no benefit in patients with more severe renal insufficiency.

Environmental Exposure↗

Radiological manifestations of primary gout.

Gout is an ancient disease not uncommonly seen in radiological practice. Twenty-two patients of suspected gout were examined over a period of 11 years (1984-1995). There were 20 males and 2 females with ages between 35-70 years. First metatarsophalangeal joint was involved in 18 patients. Tophaceous deposits in hands were seen in one, whereas another patient had urate deposit in the lateral condyle of the humerus. One patient had opaque renal stones bilaterally and lucent stones in the right kidney, confirmed by ultrasound, were observed in one case. All of the patients had hyperuricemia. A definite family history was recorded in only three cases. Two patients in the present series were diabetic.

Adult↗

[Morphometric parameters of the bulbar conjunctiva vessels in patients with gout].

Morphometry of the bulbar conjunctiva vessels in 50 patients with gout was carried out by television capillaroscopy with videorecording. The findings indicate that microcirculatory disorders start with dilatation of the venules, after which arterioles and capillaries are involved. This results in alteration of the arteriovenular coefficient and of the bloodflow velocity in the capillaries. Hence, the metabolic form of gout may be regarded as the initial stage of disease.

Adult↗

[Gout and atherosclerosis].

Recently atherosclerotic diseases, such as coronary heart disease and cerebrovascular disease have been considered as an important complication of hyperuricemia and gout. However, it is still controversial whether or not hyperuricemia is an independent risk factor of atherosclerotic diseases. On the other hand, several risk factors for coronary heart disease, for example hyperlipidemia and hypertension, are frequently observed in the patients with gout. Atherosclerosis in relation to hyperuricemia was discussed in view of definite and probable risk factors.

Alcohol Drinking↗

Extradural spinal tophaceous gout: evolution with medical treatment.

A patient with chronic tophaceous gouty arthritis developed paraparesis due to medullar compression from a urate sodium tophus. We report the MRI features of this tophaceous gout, which showed an extradural hyperintense signal with an isointense nodule signal on T1 weighted sequences. Surgical removal of the epidural lesion resulted in complete clinical recovery. At the upper level of the spine, an extension of the epidural lesion was not removed, but after one year of medical treatment of the gout, MRI showed regression of the epidural compression.

Arthritis, Gouty↗

Disease-specific noncompliance with drug treatment as a cause of persistent hyperuricemia and gout in anorexia nervosa.

A 49 year old female patient with anorexia nervosa was admitted to the hospital because of treatment-refractory hyperuricemia and gout. Medical history and clinical findings were compatible with primary gout and uric acid nephropathy. The patient stated that she regularly took allopurinol. In the hospital she initially received 300 mg allopurinol daily after breakfast. In order to ensure allopurinol ingestion and absorption the plasma concentrations of both allopurinol and its active metabolite oxipurinol were determined in addition to serum uric acid and further clinical chemistry data. Despite allopurinol treatment no decrease of serum uric acid was observed for three days. Therefore the head nurse was instructed to supervise the intake of allopurinol carefully. During the following days serum uric acid decreased and plasma oxipurinol concentrations rose. On day 9 of treatment serum uric acid fell into the upper normal range. Therefore the patient was allowed to leave the hospital within a few days. However serum uric acid thereafter increased again while plasma oxipurinol declined. Later on it became evident that the patient had vomited self-induced approximately 15 minutes after allopurinol intake. In the meantime her husband had urged her to return home. Starting with day 18 benzbromarone treatment was added. Combined therapy with 400 mg allopurinol and 50 mg benzbromarone daily finally resulted in a serum uric acid concentration of 4.5 mg/dl at discharge from the hospital. About three weeks later the private physician again diagnosed hyperuricemia with serum uric acid values between 10 and 12 mg/dl. Meanwhile the patient needs to be dialysed due to end stage renal disease. Our observations show that self-induced vomiting to prevent effective treatment may be a disease-specific pattern of noncompliance with drug therapy in anorexia nervosa.

Allopurinol↗

Influence of antihyperuricemic therapy on the clinical and radiographic progression of gout.

Ten years ago, we studied the clinical and radiographic manifestations of gout in 60 patients and described 3 patterns of disease. To determine the consequences of management over a 10-year period, we recently reassessed the 39 available patients of this population. We found that although reduced tophaceous deposition on physical examination correlated with normalization of the serum urate concentration, no correlation existed between radiographic changes and mean serum urate concentrations. Progression of gouty changes on radiography reflected progressive deformity on physical examination. We have described the radiographic changes that occurred in a well-characterized population of subjects with gout over 10 years and determined that serum urate concentrations alone may not provide an effective means of monitoring the progression of tophaceous disease in bone.

Aged↗

McArdle's disease and gout.

We report the first case of McArdle's disease (muscle phosphorylase deficiency) and tophaceous gout. To examine the contribution of adenine nucleotide degradation to the disturbance of uric acid metabolism, we labeled the adenine nucleotide pool with [8-14C]adenine, and measured plasma and urine purines following vigorous exercise tests. Plasma and urinary hypoxanthine and xanthine concentrations and the specific radioactivity of urinary purines increased markedly, but plasma urate levels and uric acid excretion were not substantially modified. We suggest that, in this patient, the association of McArcle's disease with gout is coincidental.

Adenine Nucleotides↗

A case of female premenopausal tophaceous gout requiring surgical management.

We report a case of tophaceous gout in a 32-year-old woman who had suffered from anorexia nervosa since the age of 15. She had been taking a diuretic, mainly furosemide, to lose weight since she was 18. She was referred for orthopedic surgery because of a tophus at her right metatarsophalangeal joint. Because of a discharging sinus associated with the tophaceous deposits, surgery was performed. Use of the diuretic was stopped after surgery and the serum uric acid concentration returned to normal. It was thought that long-term abuse of a diuretic induced the tophaceous gout in this premenopausal woman.

Journal Article↗

["Gout tophi" and heart disease in the family].

A 35-year old man immigrated from Indonesia presented with "gout tophi" at his hands and lower extremities. Mother, aunt and uncle of this patient also suffered from "gout tophi" as well as a heart disease not exactly known to the patient. Clinical investigation was suspicious for tendon xanthomas and revealed arcus lipoides corneae of both eyes. Total cholesterol was 10.5 mmol/l and HDL cholesterol was 0.8 mmol/l. Genetic investigation showed heterozygous familial hypercholesterolemia, i.e., heterozygous mutation of the gene encoding the LDL receptor protein. The patient was treated with atorvastatin 20 mg daily and a low cholesterol diet. Total cholesterol decreased to 6.5 mmol/l and HDL cholesterol increased to 1.5 mmol/l within 2-month treatment. We recommended the determination of serum lipids in further members of this family and genetic evaluation of the patient's children with regard to the mutation identified.

Adult↗

Gout, have we met before? No, not like this...

LEARNING OBJECTIVES: Extra-articular symptoms could be the first manifestation of gouty arthritis (GA); polyarticular GA can mimic an infectious arthritis; infection can complicate GA. CASE: A 66-year-old male with a history of gout presented with high fever and excruciating bilateral calf pain for 1 day. Examination revealed chronic knee effusions; range of motion in both knees was limited by calf pain. Joint aspiration showed negatively birefringent intracellular crystals and normal gram stain. HOSPITAL COURSE: While receiving empiric antibiotics fever continued and he developed bilateral knee, right ankle, and shoulder pain. After demonstration of urate crystals and exclusion of infection, antibiotics were discontinued and steroids initiated. Fever, calf pain, and polyarthritis quickly resolved. DISCUSSION: Polyarticular gouty attack is an uncommon presentation of gout, and can mimic several other conditions. An exceptional presentation of this entity is excruciating calf pain, probably caused by tenosynovitis or referred pain preceding an acute polyarticular gouty attack.

Administration, Oral↗

Gout and neurological abnormalities associated with cardiomyopathy in a young man.

A 21 year old man with a family history of gout and neurological deficits, developed severe idiopathic congestive cardiomyopathy after a long history of typical gouty attacks and neurological abnormalities. Clinical and laboratory evaluations showed borderline mental retardation, ataxia, sensorineural deafness, marked hyperuricaemia, and excessive uric acid excretion in the presence of impaired renal function. None of the known causes of cardiomyopathy was found. Even though red cell hypoxanthine guanine phosphoribosyltransferase enzyme activity was normal, this case probably represents an inborn error of purine metabolism. The association of cardiomyopathy with gout is very unusual. Previously it has been only once described in a single case.

Adult↗

Gout: rare cause of hallucal sesamoid pain: a case report.

Tophaceous gout is commonly encountered and is amenable to effective medical management. A rare case of tophaceous gout in a tripartite medial sesamoid bone of the great toe is presented. Clinical presentation, differential diagnosis, and treatment of hallucal sesamoid pain are discussed.

Acute Disease↗

Chronic tophaceous gout with severely deforming arthritis: a case report with emphasis on histopathologic considerations.

The dramatic clinical presentation of a patient with severe deforming arthritis secondary to chronic tophaceous gout is described. Polarization microscopic examination and use of the De Galantha stain identified the dermal amorphous material as urate crystals. When the possibility of gout is entertained and a lesional biopsy specimen is examined to confirm the diagnosis, it is useful to fix the fresh tissue in absolute ethanol and process the specimen using an anhydrous technique to preserve the crystals.

Acute Disease↗

[Osteoarthrosis, gout and arthritis rheumatoid in internal medicine in Kinshasa].

Rheumatic disorders are relatively rare among internal medicine out-patients in Kinshasa. Diseases encountered most often are osteoarthrosis, gout and rheumatoid arthritis. The authors report the relative incidence of these diseases and note that sites of osteoarthrosis are predominantly axial, that the clinical pattern of rheumatoid arthritis is less severe with the absence of abarticular manifestations and that gout, in contrast, does not differ from the classical features described in the literature. These findings encourage the authors to continue their study in order to better define the clinical features of rheumatic disorders in Kinshasa and in Zaire in general.

Adolescent↗

[Polyarticular gout--change in the clinical picture?].

40% of the male patients suffering from gouty arthritis treated in our rheumatological unit during a three years period showed a chronic polyarticular course. In polyarticular gout, acute gouty attacks affect above all the joints of the upper limbs. Gouty arthritis in these patients shows an ascending pattern. Therefore, in case of unawareness of the clinical symptoms, differential diagnosis can be difficult especially when laboratory findings including uric acid levels are in normal ranges and classical radiological findings are missing. It is important to notice that the atypical joint attack in gouty arthritis is typical for polyarticular gout. In case of unclear arthritis the polarized light microscopy of the synovial fluid should always be demanded.

Adult↗