maureen cox
TRANSCRIPT
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Interpreting Blood Tests andInterpreting Blood Tests and
InvestigationsInvestigationsMaureen CoxMaureen Cox
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AIMAIM
To explore the role of the nurse inTo explore the role of the nurse inassisting, carrying out and assessing theassisting, carrying out and assessing theresults of blood tests and investigationsresults of blood tests and investigations
To discuss the most commonly usedTo discuss the most commonly usedinvestigations in the diagnosis ofinvestigations in the diagnosis ofrheumatological conditionsrheumatological conditions
To explore the investigations commonlyTo explore the investigations commonlyused for the ongoing monitoring ofused for the ongoing monitoring oftherapies used in the treatment oftherapies used in the treatment of
rheumatological conditionsrheumatological conditions To look at normal values ( and ranges) andTo look at normal values ( and ranges) and
begin to recognise the significance of thebegin to recognise the significance of theresultsresults
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The Nurses Role in Blood Tests andThe Nurses Role in Blood Tests and
InvestigationsInvestigations To provide safe, informed care.To provide safe, informed care.
To request investigations that are timely andTo request investigations that are timely and
appropriateappropriate Support the patientSupport the patient
Provide explanation of need for testsProvide explanation of need for tests
Carry them out safely for both patient and nurseCarry them out safely for both patient and nurse
Correct labelling and transportationCorrect labelling and transportation
Interpretation of resultsInterpretation of results Action taken on abnormal valuesAction taken on abnormal values
Explain results to patient and how this willExplain results to patient and how this willinfluence treatment.influence treatment.
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DiagnosisDiagnosis-- Commonly used blood testsCommonly used blood tests
Full blood countFull blood count
Urea and electrolytesUrea and electrolytes
Liver function testsLiver function tests
ESRESR
Plasma ViscosityPlasma Viscosity
CC--Reactive ProteinReactive Protein
Rheumatoid factorRheumatoid factor
Anti CCPAnti CCP
Uric acidUric acid
CreatinineCreatinine KinaseKinase
Antinuclear antibodiesAntinuclear antibodies
Compliment levelsCompliment levels
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FULL BLOOD COUNTFULL BLOOD COUNT
This is used to monitor disease activity, to assessThis is used to monitor disease activity, to assess
the effects of drug treatment, to exclude dietarythe effects of drug treatment, to exclude dietary
deficiency.deficiency.
IMPORTANT VALUES MEASUREDIMPORTANT VALUES MEASURED
Haemoglobin (Haemoglobin (HbHb)) White cell count (WCC or WBC)White cell count (WCC or WBC)
Neutrophils/GranulocytesNeutrophils/Granulocytes
EosinophilsEosinophils
PlateletsPlatelets
Mean cell volume (MCV)Mean cell volume (MCV)
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HAEMOGLOBIN (HAEMOGLOBIN (HbHb))
Normal valueNormal valueMaleMale 1313 --18 g dL18 g dL--11
FemaleFemale 11.511.5--15.5 g dL15.5 g dL--11
LowLow haemoglobin, can be due to the increasedhaemoglobin, can be due to the increased
disease activity.disease activity.
A sudden fall inA sudden fall in HbHb should be checked as this canshould be checked as this can
indicate blood loss, e.g from antiindicate blood loss, e.g from anti--inflammatory drugs.inflammatory drugs.
CheckCheck FOBsFOBs (Faeces for occult blood)(Faeces for occult blood)
Low HB ? Poor Nutrition. Assess function / mobilityLow HB ? Poor Nutrition. Assess function / mobility
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WHITE CELL COUNTWHITE CELL COUNTNormal valueNormal value 44--11x1011x1099/l/lThese are the cells which gobble up infectionThese are the cells which gobble up infection
A raised white cell countA raised white cell count is suggestive ofis suggestive of
infection.infection.
White cell count also is elevated when patientsWhite cell count also is elevated when patientsare on or have had steroids.are on or have had steroids.
A low white cell countA low white cell count (below 3.5) can occur(below 3.5) can occur
as a side effect to drug treatments.as a side effect to drug treatments.
Patients with SLE andPatients with SLE and FeltysFeltys often have a lowoften have a lowwhite cell countwhite cell count
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NEUTROPHILS (NEUTROPHILS (NeutsNeuts //GransGrans))
Specific type of white cell.Specific type of white cell.Normal value 2Normal value 2 -- 7.5 x 107.5 x 1099/l (absolute value)/l (absolute value)
Same as WCC,Same as WCC, upup with infection,steroids, alsowith infection,steroids, also
inflammationinflammation
Down (below 2)Down (below 2) side effect of drug treatment,side effect of drug treatment,
SLE flare, viral infections, severe bacterialSLE flare, viral infections, severe bacterialinfectioninfection
11 -- 1.5 no significant risk1.5 no significant risk
0.50.5 -- 1 some increased risk1 some increased risk
< 0.5 major risk of infection< 0.5 major risk of infection
Also lower in some racesAlso lower in some races -- black Africansblack Africans --NegroNegroneutropaenianeutropaenia
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EosinophilsEosinophils (EOS)(EOS)
Another specific type of white cell.Another specific type of white cell.
Normal value up to 0.4 (absolute value)Normal value up to 0.4 (absolute value)
Elevation may indicate:Elevation may indicate:
Allergy to either a drugAllergy to either a drug i.ei.e MethotrexateMethotrexate
pneumonitis or asthma.pneumonitis or asthma. Particularly important withParticularly important with MyocrisinMyocrisin (Gold(Gold
Injection) as may herald allergic reaction.Injection) as may herald allergic reaction.
Seen in certain conditionsSeen in certain conditions ChurgChurg StruassStruass syndromesyndrome
worm infestations.worm infestations.
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PLATELETSPLATELETS
Normal value 150Normal value 150 -- 400x10400x1099/l/l
These are the cells which help the blood to clotThese are the cells which help the blood to clot
Platelets often elevatedPlatelets often elevated in active diseasein active disease
((thrombocytosisthrombocytosis) due to inflammation.) due to inflammation.
A low platelet countA low platelet count ( thrombocytopaenia) can( thrombocytopaenia) can
occuroccur as a side effect of drug treatment,as a side effect of drug treatment,
in patients with active SLE,in patients with active SLE, FeltysFeltys
viral infectionsviral infections
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MEAN CELL VOLUME (MCV)MEAN CELL VOLUME (MCV)
Normal value 78Normal value 78 -- 104104Reduced MCV(104) can indicate:
Vitamin B12 deficiencyVitamin B12 deficiency
Folate deficiencyFolate deficiency Thyroid problemsThyroid problems
Liver problemsLiver problems
MarrowMarrow dysplasiadysplasia /Aplastic anaemia/Aplastic anaemia
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FERRITINFERRITIN
SerumSerum ferritinferritin is an acute phase protein.is an acute phase protein.It goes up with inflammation.It goes up with inflammation.
FerritinFerritin is used as a test to check for iron deficiencyis used as a test to check for iron deficiency
anaemia in patients with a lowanaemia in patients with a low HbHb and low MCV.and low MCV.
In active disease aIn active disease a FerritinFerritin below 90 can indicatebelow 90 can indicateiron deficiency.iron deficiency.
If patients are treated with iron supplements theyIf patients are treated with iron supplements theyneed to take for at least 3 months then haveneed to take for at least 3 months then have FerritinFerritin
rechecked before stopping treatmentrechecked before stopping treatment
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B12 and FolateB12 and Folate
Should be measured in patients withShould be measured in patients with
macrocytosismacrocytosis ieie elevated MCVelevated MCV
MacrocytosisMacrocytosis seen with someseen with some DMARDsDMARDs
especially Azathioprine, Sulphasalazine andespecially Azathioprine, Sulphasalazine and
MethotrexateMethotrexate
May also herald aplastic anaemiaMay also herald aplastic anaemia so dontso dontignore!!ignore!!
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UREA AND ELECTROLYTESUREA AND ELECTROLYTES
Blood biochemistry is used to check forBlood biochemistry is used to check for
abnormalities in the body chemistry.abnormalities in the body chemistry.
Abnormal renal or liver function mayAbnormal renal or liver function mayoccur as a result of organ involvement inoccur as a result of organ involvement in
multisystem inflammatory diseases, or amultisystem inflammatory diseases, or a
side effect of drug treatment.side effect of drug treatment.
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LIVER FUNCTION TESTSLIVER FUNCTION TESTS
ALTALTAlanineAlanine TransaminaseTransaminase (15(15--45)45)
Elevated as a side effect of some drugsElevated as a side effect of some drugs
AlcoholAlcohol
Hepatitis and liver damageHepatitis and liver damage
AlkalineAlkaline PhosphatasePhosphatase (up to 300)(up to 300)
Elevated when bony activity, flare, fracturesElevated when bony activity, flare, fractures Also as side effect of drugsAlso as side effect of drugs
MalignancyMalignancy
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Inflammatory MarkersInflammatory Markers
Commonly used to assess disease activityCommonly used to assess disease activity
in RAin RA Erythrocyte sedimentation rate (ESR)Erythrocyte sedimentation rate (ESR)
Plasma viscosity ( PV)Plasma viscosity ( PV)
C reactive protein (CRP)C reactive protein (CRP)
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Erythrocyte Sedimentation Rate (ESR)Erythrocyte Sedimentation Rate (ESR)
Erythrocyte sedimentation rate measures the rateErythrocyte sedimentation rate measures the rateat which the red cells settle. The higher the valueat which the red cells settle. The higher the value
the more inflammation. Therefore elevated in activethe more inflammation. Therefore elevated in activearthritic disorders such as Rheumatoid Arthritis,arthritic disorders such as Rheumatoid Arthritis,Lupus, vasculitis,Lupus, vasculitis, polymyalgiapolymyalgia rheumaticarheumatica
Also malignancies.Also malignancies.
NORMAL VALUESNORMAL VALUES
00--10mm/hr in men aged 1810mm/hr in men aged 18--65 years65 years
11--20mm/hr in women aged 1820mm/hr in women aged 18--65 years65 years
Over 65 can go up by 5Over 65 can go up by 5--10mm/hr10mm/hr
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Plasma ViscosityPlasma Viscosity
Used in some hospitals in preference toUsed in some hospitals in preference to
ESRESR
Reacts in the same way as ESRReacts in the same way as ESR
elevated with disease activity due to anelevated with disease activity due to an
increase in protein concentration.increase in protein concentration. In same way as ESR elevated inIn same way as ESR elevated in
malignancy andmalignancy and paraproteinuraemiasparaproteinuraemias Normal range 1.5Normal range 1.5 -- 1.72cp1.72cp
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C REACTIVE PROTEINC REACTIVE PROTEIN
An acute phase proteinAn acute phase protein
This is a sensitive and quantitative measurementThis is a sensitive and quantitative measurement
used for evaluating severity and course of anused for evaluating severity and course of an
inflammatory processinflammatory process
Considered more accurate than ESR by some.Considered more accurate than ESR by some.
Normal range 0Normal range 0--8mg/l8mg/l
NB Oral contraceptives may affect CRP levelsNB Oral contraceptives may affect CRP levels
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RHEUMATOID FACTORRHEUMATOID FACTOR
This test measures the presence of rheumatoidThis test measures the presence of rheumatoid
factorfactor -- the circulating immunoglobulinthe circulating immunoglobulin IgMIgM // IgGIgG
It is not a specific testIt is not a specific test Rheumatoid factor is positive in 4Rheumatoid factor is positive in 4--6% of population6% of population
Can be negativeCan be negative -- SeroSero-- negative inflammatorynegative inflammatory
disease ( AS, PSA)disease ( AS, PSA)
Present in 70% of patients with RAPresent in 70% of patients with RA
Highest titres found in patients with severeHighest titres found in patients with severe
diseasedisease
It can also be found in patients with cirrhosis,It can also be found in patients with cirrhosis,
TB, infection and cancerTB, infection and cancer
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RHEUMATOID FACTOR 2RHEUMATOID FACTOR 2
Three tests:Three tests:
RA latex fixation test >1:40 or higher isRA latex fixation test >1:40 or higher is
significantsignificant RoseRose--WaalerWaaler Positive at titre of 1:32 or morePositive at titre of 1:32 or more
Particle agglutination testParticle agglutination test Normal range 0Normal range 0--4040
In all tests, antibodies cause agglutination of sheepIn all tests, antibodies cause agglutination of sheep
red cells, bacteria or latex, which has been coatedred cells, bacteria or latex, which has been coatedwithwith IgGIgG fractionfraction
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Anti CCPAnti CCP
Anti CyclicAnti Cyclic CitrullinatedCitrullinated Peptide AntibodyPeptide Antibody
Used in diagnosis of RAUsed in diagnosis of RA Used as an indicator of potential severity ofUsed as an indicator of potential severity of
diseasedisease
Normal Levels:Normal Levels:
< 11 negative< 11 negative
> 11 Positive, the higher the> 11 Positive, the higher the positivitypositivity the greater thethe greater thepotential forpotential for errosiveerrosive diseasedisease
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SERUM URIC ACIDSERUM URIC ACID
Uric acid produced as a byUric acid produced as a by--product ofproduct ofpurinepurine
metabolism.metabolism.
This is the test used if gout is suspected.This is the test used if gout is suspected.
Normal valueNormal value MaleMale 210210--480480 umol/lumol/l
FemaleFemale 170170--420420 umol/lumol/l
NB Women do not get gout prior to theNB Women do not get gout prior to the
menopause.menopause.
Commonly seen in diuretic use.Commonly seen in diuretic use.
Men.Men.
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URIC ACIDURIC ACID
In addition to this test,In addition to this test,
aspiration of a swollenaspiration of a swollenjoint and the fluidjoint and the fluid
looked at for uric acidlooked at for uric acid
crystals under thecrystals under the
microscope canmicroscope can
confirm Gout.confirm Gout.
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MUSCLE ENZYMESMUSCLE ENZYMES -- CreatineCreatine KinaseKinase
(CK)(CK)
This is an enzyme released when muscle isThis is an enzyme released when muscle is
damaged. Often done in post MI to measure fordamaged. Often done in post MI to measure forheart muscle damage.heart muscle damage.
It is a useful test for muscle disorders such asIt is a useful test for muscle disorders such as
MyositisMyositis (inflammation of the muscles)(inflammation of the muscles)
InIn MyositisMyositis the CK level is often elevated intothe CK level is often elevated into
the 1000sthe 1000s
(Normal 24(Normal 24--190)190)
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ANTINUCLEAR ANTIBODIESANTINUCLEAR ANTIBODIES
Antinuclear antibodies are found in severalAntinuclear antibodies are found in several
rheumatic diseases. It is a useful screening testrheumatic diseases. It is a useful screening test
for SLE, most patients with SLEfor SLE, most patients with SLEhave +ve ANA, but it is also found in RA,have +ve ANA, but it is also found in RA,
scleroderma, juvenile arthritis and mixedscleroderma, juvenile arthritis and mixed
connective tissue diseases.connective tissue diseases.
This is a sensitive, but not specific test.This is a sensitive, but not specific test.Low titres can be found in 1Low titres can be found in 1 -- 5% of healthy5% of healthy
population, titres rise with age.population, titres rise with age.
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ANTINUCLEAR ANTIBODIES 2ANTINUCLEAR ANTIBODIES 2
The test measures and differentiatesThe test measures and differentiates
antinuclear antibodies.antinuclear antibodies.
The immunoglobulinsThe immunoglobulins IgMIgM,, IgGIgG andand
IgAIgA are the antibodies which react withare the antibodies which react withthe nuclear part of leucocytes formingthe nuclear part of leucocytes forming
antibodies to DNA and RNA.antibodies to DNA and RNA.
Test uses immunoflorescence to detectTest uses immunoflorescence to detect
their presencetheir presence
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ANTINUCLEAR ANTIBODIES 3ANTINUCLEAR ANTIBODIES 3
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ComplementComplement C3 and C4C3 and C4
Useful to diagnose immune complex disease.Useful to diagnose immune complex disease.
The complement system activated byThe complement system activated by IgMIgM andand IgGIgG
and concerned with the mediation of inflammation.and concerned with the mediation of inflammation. Once system has been activated C3 and C4 actOnce system has been activated C3 and C4 act
as enzymes.as enzymes.
Elevate C3 and normal C4 indicates an acuteElevate C3 and normal C4 indicates an acutephase responsephase response
Raised or normal C4 occurs in RARaised or normal C4 occurs in RA
Low C3 and /or C4 suggests SLE, RA or a CTDLow C3 and /or C4 suggests SLE, RA or a CTD
Normal values C3Normal values C3 -- 0.630.63-- 1.7g/l, C41.7g/l, C4 -- 0.110.11-- 0.45g/l0.45g/l
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TPMT AssayTPMT Assay
1:33 individuals lack1:33 individuals lack thiopurinethiopurine ss--methyltransferasemethyltransferase(TPMT) which helps the body remove drugs such as(TPMT) which helps the body remove drugs such as
azathioprine form the body when they are present aboveazathioprine form the body when they are present abovetherapeutic levels.therapeutic levels.
Assessment of TPMT helps to determine if a patient isAssessment of TPMT helps to determine if a patient isgoing suffer from adverse reactions forgoing suffer from adverse reactions forThiopurineThiopurine drugsdrugs
such as Azathioprinesuch as Azathioprine
Individuals with no TPMT enzyme can become severely illIndividuals with no TPMT enzyme can become severely illwith normal doses ofwith normal doses ofthiopurinethiopurine drugs because toxic levelsdrugs because toxic levelsof the drug accumulate, leading to bone marrowof the drug accumulate, leading to bone marrowsuppression, a reduction in blood cell production, withsuppression, a reduction in blood cell production, withsubsequent increase in risk of infection and abnormalsubsequent increase in risk of infection and abnormalbleedingbleeding
Ongoing Monitoring ofOngoing Monitoring of
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Ongoing Monitoring ofOngoing Monitoring of
rheumatological conditionsrheumatological conditions Clear evidence from randomised placeboClear evidence from randomised placebo
controlled trials thatcontrolled trials that
DMARDsDMARDs
::
Reduce symptomsReduce symptoms
Improve functionImprove function
Improve global well beingImprove global well being
Improve functionImprove function
Improve long term outcome and survivalImprove long term outcome and survival
Mode of action poorly understoodMode of action poorly understood All have the potential to cause adverse effectsAll have the potential to cause adverse effects
Require safety monitoringRequire safety monitoring
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Monitoring ofMonitoring ofDMARDsDMARDs
AllAll DMARDsDMARDs present some risk to thepresent some risk to the
patient, and require regular monitoring to:patient, and require regular monitoring to: Monitor disease activityMonitor disease activity
Monitor the patients general healthMonitor the patients general health
Detect any adverse effects occurring as a resultDetect any adverse effects occurring as a resultof the medicationof the medication
Patients are cautioned that medication willPatients are cautioned that medication willnot be prescribed if blood monitoring is notnot be prescribed if blood monitoring is notundertaken.undertaken.
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Current Monitoring RegimesCurrent Monitoring Regimes
Revised Guidelines Published by BSR 2008Revised Guidelines Published by BSR 2008
BSR WebsiteBSR Website www.rheumatology.orgwww.rheumatology.org
At commencement of medicationAt commencement of medication FBC, U& Es,FBC, U& Es, LFTsLFTs and CPR every 2 weeks for 3 months thenand CPR every 2 weeks for 3 months then
monthlymonthly After 6 months, if stable rheumatologist will advise 6 weekly teAfter 6 months, if stable rheumatologist will advise 6 weekly testing.sting.
With the exception ofWith the exception ofSulphasalazineSulphasalazine which can be every 3 months.which can be every 3 months.
If a second DMARD is prescribed in addition to anIf a second DMARD is prescribed in addition to anestablished medication, monitoring should revert to 2established medication, monitoring should revert to 2weekly for 3 months, and continue monthlyweekly for 3 months, and continue monthly
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MethotrexateMethotrexate
Dose 7.5 mgDose 7.5 mg 25mg WEEKLY(2.5 mg tabs)25mg WEEKLY(2.5 mg tabs)
If oral dose is not effective or causes intoleranceIf oral dose is not effective or causes intoleranceconsider subcutaneousconsider subcutaneous
Folic acid (5mg weekly)to be taken day afterFolic acid (5mg weekly)to be taken day after
methotrexatemethotrexate Monthly monitoring for at least 12 months,Monthly monitoring for at least 12 months,
decrease frequency, based on clinical judgement ifdecrease frequency, based on clinical judgement if
disease / dose stabledisease / dose stable AlcoholAlcohol--limit within national recommendationslimit within national recommendations
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Methotrexate (2)Methotrexate (2)
Pulmonary toxicity (1:108 pt yrs)Pulmonary toxicity (1:108 pt yrs)
Potentially fatal hypersensitivityPotentially fatal hypersensitivity Usually seen within 12 months of treatmentUsually seen within 12 months of treatment
Incidence may be higher in pre existing lung diseaseIncidence may be higher in pre existing lung disease
PregnancyPregnancy-- Adequate contraceptionAdequate contraception-- withdrawwithdraw mtxmtx for 3 monthsfor 3 months
before conception for both men and women. Avoidbefore conception for both men and women. Avoidbreast feedingbreast feeding
InfectionInfection--do not withdraw pre operativelydo not withdraw pre operatively
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LeflunomideLeflunomide
MonitoringMonitoring
BP if>140/90 X 2 occasions 2 weeks apart, treatBP if>140/90 X 2 occasions 2 weeks apart, treathypertension before commencementhypertension before commencement
WeightWeight --pre treatment and on each monitoring visitpre treatment and on each monitoring visit
FBC andFBC and LFTsLFTs monthly for 6 months, then if stable, 2monthly for 6 months, then if stable, 2monthly.monthly.
SPC states caution if used with MTX althoughSPC states caution if used with MTX although
combination therapy is used. Monitor monthlycombination therapy is used. Monitor monthly
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Leflunomide (2)Leflunomide (2)
PregnancyPregnancy
TeratogenicTeratogenic
, requires adequate contraception., requires adequate contraception.
Females planning conception, withdraw treatment for 2Females planning conception, withdraw treatment for 2years or use washout procedure. Avoid Breast feedingyears or use washout procedure. Avoid Breast feeding
Men should continue adequate contraception for 3Men should continue adequate contraception for 3
months after discontinuation of treatment.months after discontinuation of treatment.
Alcohol limit to within national limits (4Alcohol limit to within national limits (4--8 units8 unitsweek)week)
Treat hypertensionTreat hypertension
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SulfasalazineSulfasalazine
Time to response minimum 3/12Time to response minimum 3/12
Transient reversibleTransient reversible oligospermiaoligospermia Can be prescribed in pregnancyCan be prescribed in pregnancy
Assess risk to mother /babyAssess risk to mother /baby
Prescribe folic acid supplement when trying toPrescribe folic acid supplement when trying toconceive and during pregnancyconceive and during pregnancy
Small amounts excreted in breast milk, notSmall amounts excreted in breast milk, notthought to be a riskthought to be a risk
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Sulfasalazine (2)Sulfasalazine (2)
MonitoringMonitoring
FBC and LFT monthly for 3 months then 3FBC and LFT monthly for 3 months then 3monthly. If following the first year, dose andmonthly. If following the first year, dose and
blood results have been stableblood results have been stable --6 monthly for6 monthly for
22ndnd yr of treatment. Thereafter monitoring canyr of treatment. Thereafter monitoring canbe discontinuedbe discontinued
Pts should be asked about the presence of rashPts should be asked about the presence of rashor oral ulceration at each visitor oral ulceration at each visit
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Other InvestigationsOther Investigations
Plain xPlain x--raysrays
MRIMRI
CTCT UltrasoundUltrasound
ThermographyThermography
ArthrogramArthrogram
ArthroscopyArthroscopy
CapilliaryCapilliarymicroscopymicroscopy
Nerve conductionNerve conduction
studiesstudies
Pulmonary functionPulmonary functionteststests
BiopsyBiopsy MuscleMuscleSkinSkin
SynovialSynovial
Bone scansBone scansDEXADEXA
SynovialSynovial fluid analysisfluid analysisUrine testingUrine testing StickStick
BenceBenceJ onesJ ones
24 hr collections24 hr collections
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UrinalysisUrinalysis
Routine dipstick urinalysisRoutine dipstick urinalysis should never beshould never beunderestimatedunderestimated
Can detect: Blood, protein,Can detect: Blood, protein, bilirubinbilirubin Indicated possible infection, active disease inIndicated possible infection, active disease in
Lupus, other organ involvementLupus, other organ involvement kidney orkidney or
liverliver Used for drug monitoringUsed for drug monitoring Gold,Gold,
Penicillamine,Penicillamine, cyclophoshamidecyclophoshamide, ciclosporin,, ciclosporin,biologic therapiesbiologic therapies
Should be done routinely for all newShould be done routinely for all newadmissions/clinicadmissions/clinic attendersattenders
Is a case for urinalysis at every visitIs a case for urinalysis at every visit
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Urine specimens and 24hr collectionsUrine specimens and 24hr collections
BenceBenceJ ones proteinJ ones protein A protein of lowA protein of lowmolecular weight found in the urine ofmolecular weight found in the urine of
patients with multiplepatients with multiple myelomamyeloma, other bone, other bonetumours,tumours, amyloidosisamyloidosis andand metastaticmetastatic disease.disease.
24 hour collection24 hour collection
Creatinine clearanceCreatinine clearanceUrinary proteinUrinary protein
Used to assess disease and damage, forUsed to assess disease and damage, for
example in Lupus.example in Lupus.
Also as a baseline prior to commencing therapyAlso as a baseline prior to commencing therapy
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7/28/2019 Maureen Cox
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RCN Conference J anuary 2009RCN Conference J anuary 2009
ConclusionConclusion Multiple investigations available to healthMultiple investigations available to health
professionalprofessional
A full history will give a preliminary diagnosis in 70%A full history will give a preliminary diagnosis in 70%
of casesof cases
Investigations assist us in not only diagnosis, butInvestigations assist us in not only diagnosis, but
monitoring and assessing disease process and effectmonitoring and assessing disease process and effect
of treatment.of treatment.
Biomechanical measurement is only a small part ofBiomechanical measurement is only a small part of
assessment of diseaseassessment of disease remember assessment ofremember assessment of
pain, anxiety, depression, function, QOLpain, anxiety, depression, function, QOL