Rheumatology Advance Access published online on May 23, 2007
Rheumatology, doi:10.1093/rheumatology/kem056a
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British Society for Rheumatology and British Health Professionals in Rheumatology Guideline for the Management of Gout
Rheumatology Department, Princess Royal Hospital, Brighton and Sussex University Hospitals Trust, 1Renal Department, Guy's, King's & St Thomas School of Medicine, London, 2Rheumatology Department, Derbyshire Royal Infirmary and Derbyshire County Primary Care Trust, 3Academic Rheumatology Unit, University of Nottingham, 4The Queen's Medical Research Institute and Endocrinology Unit, University of Edinburgh, 5Centre for Clinical Pharmacology and Therapeutics, University College Hospital, London, 6UK Gout Society, and 7The Queen's Medical Research Institute and Rheumatic Diseases Unit, University of Edinburgh, UK
Correspondence to:
Prof. George Nuki, Emeritus Professor of Rheumatology, University of Edinburgh Osteoarticular Research Group, The Queen's Medical Research Institute, 47 Little France Crescent, Edinburgh EH16 4TJ, UK. E-mail: g.nuki{at}ed.ac.uk
KEY WORDS: Gout, Guidelines, Non-pharmacological treatment, Pharmacological treatment
| Scope and purpose of the guideline |
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Gout is a common disease both in primary care and hospital practice [1].
Although drug therapy for gout has become a paradigm for the effective management and prevention of an acute and potentially chronic rheumatic disease, many of the recommendations for treatment are based on expert consensus rather than research evidence and audits of practice suggest that treatment is very variable.
Evidence-based guidelines are needed at the present time:
- to provide a framework for improving standards of care.
- to assess the potential of new therapies such as Coxibs [2], urate oxidases [3] and novel xanthine oxidase inhibitors [4] currently in clinical development;
- to provide recommendations for alcohol consumption, diet and lifestyle modification in response to frequently asked questions by patients (www.ukgoutsociety.org) in the light of recent epidemiological studies linking gout with alcohol consumption [5], dietary protein intake [6] and features of the metabolic syndrome, which are assuming epidemic proportions [7];
- to define recommendations for treating secondary atypical gout, and small subgroups of patients with severe recurrent gout associated with renal insufficiency, organ transplantation, allopurinol hypersensitivity or primary purine overproduction.
Recommendations for the diagnosis and investigation of gout [8] are not addressed.
| Guideline for the management of gout |
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This is a short summary of the guideline. The full guideline can be accessed at Rheumatology Online (www.rheumatology.oxfordjournals.org).
The management pathways proposed are summarized in the accompanying flowchart. The strength recommendations, based on levels of evidence, are graded AC [9], and the recommendations are divided into three sections:
Management of acute gout
- Affected joints should be rested (C) and analgesic, anti-inflammatory drug therapy commenced immediately, and continued for 12 weeks (A).
- Fast-acting oral NSAIDs at maximum doses are the drugs of choice when there are no contraindications (A).
- In patients with increased risk of peptic ulcers, bleeds or perforations, co-prescription of gastro-protective agents should follow standard guidelines for the use of NSAIDs and Coxibs (A).
- Colchicine can be an effective alternative but is slower to work than NSAIDs (A). In order to diminish the risks of adverse effects (especially diarrhoea) it should be used in doses of 500 µg bdqds (C).
- Allopurinol should not be commenced during an acute attack (B) but in patients already established on allopurinol, it should be continued and the acute attack should be treated conventionally (A).
- Opiate analgesics can be used as adjuncts (C).
- Intra-articular corticosteroids are highly effective in acute gouty monoarthritis (B) and i.a, oral, i.m or i.v corticosteroids can be effective in patients unable to tolerate NSAIDs, and in patients refractory to other treatments (A).
- If diuretc drugs are being used to treat hypertension, an alternative antihypertensive agent should be considered, but in patients with heart failure, diuretic therapy should not be discontinued (C).
Recommendations for diet, lifestyle modification and non-pharmacological modalities of therapy
- In overweight patients dietary modification to achieve ideal body weight should be attempted (B), but crash dieting (B) and high protein/low carbohydrate (Atkins-type) diets (C) should be avoided.
- Inclusion of skimmed milk and/or low fat yoghurt, soy beans and vegetable sources of protein and cherries, in the diet should be encouraged (B).
- Intake of high purine foods and red meat should be restricted (B). Liver, kidneys, shellfish and yeast extracts should be avoided (B), and overall protein intake should be restricted (C).
- Patients with gout and a history of urolithiasis should be encouraged to drink >2 l of water daily (B) and avoid dehydration (C). Alkalinization of the urine with potassium citrate (60 mEq/day) should be considered in recurrent stone formers (B).
- Alcohol consumption should be restricted to <21 units/week (men) and 14 units/week (women) (B), and patients should be encouraged to have at least 3 alcohol-free days per week (C). Beer, stout, port and similar fortified wines are best avoided (C).
- Patients should be discouraged from undertaking trials of herbal remedies without medical consultation (C).
- Affected joints should be elevated and exposed in a cool environment (C). Bed cages (C) and ice packs (B) can be effective adjuncts to therapy.
- Trauma to joints (B) and intense physical exercise (B) should be avoided but moderate physical exercise encouraged (B).
Management of recurrent, intercritical and chronic gout
- The plasma urate should be maintained below, 300 µmol/l (C).
- In uncomplicated gout uric acid lowering drug therapy should be started if a second attack, or further attacks occur within 1 yr (B).
- Uric acid lowering drug therapy should also be offered to patients with tophi (C), patients with renal insufficiency (B) patients with uric acid stones and gout (B) and to patients who need to continue treatment with diuretics (B).
- Commencement of uric acid-lowering drug therapy should be delayed until 12 weeks after inflammation has settled (C).
- Initial long-term treatment of recurrent uncomplicated gout normally should be with allopurinol starting in a dose of 50100 mg/day and increasing by 50100 mg increments every few weeks, adjusted if necessary for renal function, until the therapeutic target (SUA <300 µmol/l) is reached (maximum dose 900 mg) (B).
- Uricosuric agents can be used as second-line drugs in patients who are under-excretors of uric acid and in those resistant to, or intolerant of, allopurinol (B). The preferred drugs are sulphinpyrazone (200800 mg/day) in patients with normal renal function or benzbromarone (50200 mg/day) in patients with mild/moderate renal insufficiency (B).
- Colchicine 0.5 mg bd should be co-prescribed following initiation of treatment with allopurinol or uricosuric drugs, and continued for up to 6 months (A). In patients who cannot tolerate colchicine, an NSAID or Coxib can be substituted provided that there are no contraindications, but the duration of NSAID or Coxib cover should be limited to 6 weeks (C).
- Aspirin in low doses (75150 mg/day) has insignificant effects on the plasma urate, and should be used as required for cardiovascular prophylaxis (B). However, aspirin in analgesic doses (6002400 mg/day) interferes with uric acid excretion and should be avoided (B).
The guideline has been developed as a National Guideline, acceptable for use throughout the NHS in the UK. If followed and implemented, these guidelines will provide an opportunity to improve the quality of care for patients with gout in both hospital and community settings.
| Recommendations for audit |
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Assess the impact of the guideline on:
- The frequency and duration of gout flares.
- The achievement of target reduction in plasma urate levels.
- Lifestyle modification (weight reduction, alcohol intake and dietary adjustment).
- The assessment and treatment of co-morbid disorders (diabetes mellitus, hypertension, and cardiovascular risk factors).
- The time to accurate diagnosis and treatment of gout in primary and hospital care settings.
- Documentation of all of the above.
| References |
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- Mikuls TR, Farrar JT, Bilker WB, Fernandes S, Schumacher HR Jr, Saag KG. Gout epidemiology: results from the UK general practice research database,1990-1999. Ann Rheum Dis (2005) 64:26772.
[Abstract/Free Full Text] - Schumacher HR Jr, Boice JA, Daikh DI, et al. Randomised double blind trial of etoricoxib and indometacin in treatment of acute gouty arthritis. Brit Med J (2002) 324:148892.
[Abstract/Free Full Text] - Vogt B. Urate oxidase (rasburicase) for treatment of severe tophaceous gout. Nephrol Dial Transplant (2005) 20:4313.
[Free Full Text] - Becker MA, Schumacher HR Jr, Wortmann RL, et al. Febuxostat, a novel nonpurine selective inhibitor of xanthine oxidase: a twenty-eight-day, multicenter, phase II, randomized, double-blind, placebo-controlled, dose-response clinical trial examining safety and efficacy in patients with gout. Arthritis Rheum (2005) 52:91623.[CrossRef][Medline]
- Choi HK, Atkinson K, Karlson EW, Willett W, Curhan G. Alcohol intake and risk of incident gout in men: a prospective study. Lancet (2004) 363:127781.[CrossRef][ISI][Medline]
- Choi HK, Atkinson K, Karlson EW, Willett W, Curhan G. Purine-rich foods, dairy and protein intake, and the risk of gout in men. N Eng J Med (2004) 350:1093103.
[Abstract/Free Full Text] - Rigby NJ, Kumanyika S, James WP. Confronting the epidemic: the need for global solutions. J Public Health Policy (2004) 25:41834.[Medline]
- Zhang W, Doherty M, Pascual-Gomez E, et al. EULAR evidence-based recommendations for gout. Part 1: Diagnosis. Ann Rheum Dis (2006) 65:130111.
[Abstract/Free Full Text] - http://www.rcplondon.ac.uk/college/ceeu/conciseGuidelineDevelopmentNotes.pdf.
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