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Page 1: Haemochromatosis€¦ · 10 Haemochromatosis - Your Questions Answered. What might haemochromatosis do to me? Quick answer If you have the genetic faults for haemochromatosis you

HaemochromatosisYour questions answered

Page 2: Haemochromatosis€¦ · 10 Haemochromatosis - Your Questions Answered. What might haemochromatosis do to me? Quick answer If you have the genetic faults for haemochromatosis you

HaemochromatosisSome fast facts

• Haemochromatosisisthemostcommongenetic disorder,affectingapproximately1inevery200 AustraliansofEuropeanorigin.

• Symptomstendtooccuraftertheageof40,butmay beearlierorlater.Earlysymptomsmayincludefatigue, abdominalpainandjointaches.

• Apersonwithhaemochromatosis,ifuntreated,isat riskofabsorbingtoomuchironfromtheirfood.This‘iron overload’buildsupinvariouspartsofthebodyand causesdamageinadults.

• Earlyironoverloadmighthavenosymptoms,even thoughorgandamageisoccurring.

• Organsthatmaybedamagedbyironoverloadinclude theliver,heart,pancreas,jointsandsexorgans.

• Ironoverloadcanbedetectedbyabloodtest.

• Thegeneticconditionofhaemochromatosisisalso detectedbyabloodtest.

• Haemochromatosisiseasilytreated.Excessironis removedfromthebodybytakingbloodinthesame wayasdonatingbloodatabloodbank.

• Earlydiagnosisandtreatmentpreventscomplications andresultsinnormalhealthandlifeexpectancy.

• Haemochromatosiscannotbetreatedbydietalone.

Haemochromatosis-YourQuestionsAnswered2

Page 3: Haemochromatosis€¦ · 10 Haemochromatosis - Your Questions Answered. What might haemochromatosis do to me? Quick answer If you have the genetic faults for haemochromatosis you

Frequently Asked questions

• HowdoIknowifIhavehaemochromatosis?................4

• Whogetshaemochromatosisandhow?.......................6

• Whatmighthaemochromatosisdotome?...................11

• DoIneedtoseeaspecialist?..........................................14

• Howishaemochromatosistreated?...............................15

• WheredoIgoforvenesection?......................................22

• WherecanIgetfurtherhelpandsupport?....................25

• Explainingsomewords......................................................27

These questions are answered in the following pages by some of Australia’s foremost experts on the subject:

Professor Lawrie Powell AC, MD, PhD, FRACP, FRCP (Lond.)Director,RoyalBrisbaneWomensHospitalCentrefortheAdvancementofClinicalResearchProfessorEmeritusTheUniversityofQueenslandBrisbane

Professor Martin Delatycki MBBS, FRACP, PhD. Director,ClinicalGenetics-AustinHealthDirector,BruceLefroyCentre-MurdochChildrensResearchInstitute

Professor John Olynyk BMedSc, MBBS, FRACP, MD.DirectorofGastroenterology,FremantleHospital

Dr Barbara Bell, NationalBloodServicesManager,AustralianRedCrossBloodService

Assisted by-Dr Katie Goot MBBS, BSc, FACRRMGPLiaisonOfficerforHaemochromatosisAustralia

Haemochromatosis-YourQuestionsAnswered 3

Page 4: Haemochromatosis€¦ · 10 Haemochromatosis - Your Questions Answered. What might haemochromatosis do to me? Quick answer If you have the genetic faults for haemochromatosis you

How do I know if I have haemochromatosis?

Quick answerYourdoctorcanorderbloodtests(knownasironstudies)tocheckyourironlevels.Ifthereisareasontosuspecthaemochromatosisyoucanbetestedforthegenesbyanotherbloodtest.

More information - Contributed by Professor Lawrie Powell

Regular check upsManycasesof haemochromatosis are nowdiagnosedwhenapersonattendsaGP fora“checkup”. Indoing thestandard laboratory teststheGPwillnoticearaisedserumironlevelandfollowthisupwithmorespecifictestsforhaemochromatosis.

You should be tested for haemochromatosis in the following situationsYouhavesomesymptomsthatsuggesthaemochromatosisGeneralsymptomsrelatingtoincreasedlevelsofstoredironinthewholebodyincludefatigue,weakness,lethargy,apathy,weightloss,abdominalpainandjointaches–inparticular,acheswithinthejointsofthefingers.Ifyouhave thesesymptoms,areCaucasian (ofEuropean racialorigin)andovertheageof30,thenhaemochromatosisshouldbesuspected.If you have any of the complications that can be caused byhaemochromatosis (including liver disease, liver cancer, heart failure,diabetes, impotence, loss of libido, earlymenopause, pigmented skin,arthritis),thenyoushouldbetestedforhaemochromatosis. YouhavefamilymemberswhohavehaemochromatosisIfyourbrother,sister,child,parentorgrandparenthashaemochromatosis,thenyou shouldbe testedas your riskofhaving the samecondition ismuchincreased.Ifyourcousin,auntorunclehashaemochromatosisthenyoushouldalsobetested,althoughtheriskisnotasgreatasinthelistabove.

You should be tested if a relative died from one of the following conditions which might have been caused by haemochromatosis

• liverdiseasebutdidnothavehepatitisBorhepatitisCanddidnotdrinkalcohol

• livercanceratayoungage(under60yearsold)

Haemochromatosis-YourQuestionsAnswered4

Page 5: Haemochromatosis€¦ · 10 Haemochromatosis - Your Questions Answered. What might haemochromatosis do to me? Quick answer If you have the genetic faults for haemochromatosis you

• heartfailurewherethecauseofheartfailurewasnotknown• “bronzediabetes”(pigmentedskinanddiabetes)

Blood testsIfyouhaveeverhadabloodtestwhichshowsthatyouhaveincreasediron levelsorthatyouhaveabnormal liver functionthenyoushouldbetestedforhaemochromatosis.

Thereareanumberof reasonsapart fromhaemochromatosis thatcanleadtoincreasedironlevelsandabnormal liverfunction.TheseincludehepatitisBinfection,hepatitisCinfection,alcoholicliverdiseaseandfattyliver(alsocalledNon-AlcoholicFattyLiverDiseaseorNAFLD).

IronlevelstestnameAbnormalrange

forfemalesAbnormalrange

formales

SerumIron Above30µmol/L Above30µmol/L

SerumFerritin(SF) Above200µg/L Above300µg/L

TransferrinSaturation(TS%) Above45% Above50%

Haemochromatosis-YourQuestionsAnswered 5

µmol/L=micromolesperlitreandµg/L=microgramsperlitre

Thresholdtoconsiderhaemochromatosis

Page 6: Haemochromatosis€¦ · 10 Haemochromatosis - Your Questions Answered. What might haemochromatosis do to me? Quick answer If you have the genetic faults for haemochromatosis you

Who gets haemochromatosis and how?

Quick answerHaemochromatosis is an inherited condition. To be affected youmustreceiveafaultygenefromeachparent

More information - Contributed by Professor Martin Delatycki

Genes and haemochromatosisWehaveabout25,000pairsofgenes ineachcell. Haemochromatosisoccursduetoapersoninheritinggenefaultswhicharetechnicallycalledmutations.Faultsinanumberofdifferentgenescancausehaemochromatosis,butinAustraliamostpeoplewiththeconditionhaveitduetofaultsintheHFEgene.

Our genes come in pairs, one inherited from each parent. To havehaemochromatosisapersonneeds tohavea fault inbothof theirHFEgenes(seefigure).Thisisknownasautosomalrecessiveinheritance.

h = normal HFE geneH = faulty HFE gene

h h

HhHh HH

HH

HhHh

hh

Geneticcarrierfor

haemochromatosis

(mother)

Geneticcarrierfor

haemochromatosis

(father)

Geneticcarrierfor

haemochromatosis

2outof4chances

50%

non-carrier

1outof4chance

25%

predisposedtodevelop

haemochromatosis

1outof4chance

25%

spermeggs

Haemochromatosis-YourQuestionsAnswered6

Page 7: Haemochromatosis€¦ · 10 Haemochromatosis - Your Questions Answered. What might haemochromatosis do to me? Quick answer If you have the genetic faults for haemochromatosis you

Therearetwocommonfaults intheHFEgene.ThesearecalledC282YandH63D. AlmostallpeoplewithseverehaemochromatosishavetwocopiesoftheC282Ygenefault.

Around80%ofmenand60%ofwomenwiththedoubledoseoftheC282Ygenefaultwillhaveraisedironlevelsintheirbody.Itisestimatedthatupto45%ofmenand10%ofwomenwhohaveadoubledoseoftheC282Ygenefaultwilldevelopsignificantproblemsfromthissuchaslivercirrhosis.Anunknownpercentagewillhavelesssevereproblems.Thereasonwhysomehaveveryhighironlevelsandseveremedicalproblemswhilstothershavemilderorevennoproblemsisnotwellunderstood.

IfapersonhastwocopiesoftheH63Dgenefault it isveryunlikelythattheywillhaveanyproblemsatall.IfapersonhasonecopyofC282YandonecopyofH63Dtheymaygetraisedironlevels,butitisveryunlikelythattheywillhavesevereproblemssuchaslivercirrhosis.

Therearesomerarer formsofhaemochromatosis thatareduetofaultsindifferentgenes.Ifapersonisdiagnosedwithhaemochromatosisbuthasnormal test results for theHFEgene, testingofothergenescanbearranged.TestingforfaultsotherthanHFEC282YandH63Discomplexand isgenerallydonethroughaclinicalgeneticsdepartment. ClinicalgeneticsdepartmentsexistinallAustralianstates.

How many people are at risk of haemochromatosis?

InAustralia,around1in5peoplehaveasinglecopyoftheH63Dgenefaultand1 in9asingleC282Ygenefault. Around1 in200willhaveadoubledoseoftheC282Ygenefaultandaround1in50hasonecopyofeachoftheC282YandH63Dgenefaults.

Haemochromatosis-YourQuestionsAnswered 7

Page 8: Haemochromatosis€¦ · 10 Haemochromatosis - Your Questions Answered. What might haemochromatosis do to me? Quick answer If you have the genetic faults for haemochromatosis you

Who should be tested?

IfapersonhashaemochromatosisduetofaultsintheHFEgenethentheirrelativesareatincreasedriskofalsohavinghaemochromatosis. Brothersandsistershaveat leasta1in4chanceofhavingthegenefaultsandshouldbeencouraged tobe tested. Childrenofoneparentwhohashaemochromatosishavearounda1in20chanceofhavingthecondition.

ChildrenIt is recommendedthat, ratherthantestingyoungchildrendirectly,thepartneroftheparentwithhaemochromatosisistestedinthefirstinstance.Thishastwopurposes.Firstly,thepartnercanknowwhetherornottheyare at risk of haemochromatosis themselves. Secondly, if they haveneitherC282YnorH63Dthentheirchildrenareatverylowriskofhavinghaemochromatosisanddonotneedtobetested.Ifthepartnerhasoneortwocopiesofthesegenefaultsthenthechildrencanbetested.

It is recommended that thechildren shouldbe tested in late teenageyears or early adulthood so that they can understand the issues thatarerelevanttothemandmakean informedchoiceabouttestinganditsconsequences.ThereisnoevidencethathaemochromatosisduetofaultsintheHFEgeneresultsinsignificantproblemsbeforeadulthoodandthereforethereisnoneedtotestyoungchildren.

OtherrelativesBecause thegene faults for haemochromatosisare socommon,moredistant relatives, including aunts, uncles and cousins, should also beencouragedtobetested.

Haemochromatosis-YourQuestionsAnswered8

Page 9: Haemochromatosis€¦ · 10 Haemochromatosis - Your Questions Answered. What might haemochromatosis do to me? Quick answer If you have the genetic faults for haemochromatosis you

Somegeneticmutationsgivehumansanadvantage.Itisthoughtthat the mutation that causes haemochromatosis was anadvantage2000yearsagowhereironinthedietwasscarce.ThemutationfirstoccurredintheCeltsandVikingsandspreadaroundtheworldwhenCeltsandVikingsmovedtodifferentpartsoftheworld.

Ourgenesareinourbodyevenbeforewearebornandarethereinourbodyuntilwedie.Wecan’tchangethegenesthatwegetfromourmother’seggcellandourfather’sspermcell.Assumingnormalconception,wecannotcontrolthegeneswhichwepassontoourchildren.

Haemochromatosis-YourQuestionsAnswered 9

Page 10: Haemochromatosis€¦ · 10 Haemochromatosis - Your Questions Answered. What might haemochromatosis do to me? Quick answer If you have the genetic faults for haemochromatosis you

Genotype* Riskofironoverload

Howmanycaucasian

Australianshavethisgenotype?

Normalgenotype noincreasedrisk 2in3

HeterozygousH63Dprobablynoincreased

risk1in5

HeterozygousC282Yprobablynoincreased

risk1in9

HomozygousH63Dveryslightlyincreased

risk1in100

CompoundHeterozygousC282Y/H63D

increasedrisk 1in50

HomozygousC282Y greatlyincreasedrisk 1in200

What is the risk of developing haemochromatosis in my lifetime?

* See Explaining some wordsinsidethebackpageforthemeaningofgenotypes

Haemochromatosis-YourQuestionsAnswered10

Page 11: Haemochromatosis€¦ · 10 Haemochromatosis - Your Questions Answered. What might haemochromatosis do to me? Quick answer If you have the genetic faults for haemochromatosis you

What might haemochromatosis do to me?

Quick answerIf youhave thegenetic faults for haemochromatosis youareat risk ofoverloadingiron.Toomuchironcandamagevariouspartsofyourbody.Dependingonthelevelofironinyourbodyyoumaydeveloponeormoresymptomsincludingchronicfatigue,jointpain,liverandheartproblems

More information - Contributed by Professor John Olynyk

DevelopingironoverloadThe degree of iron overload which is present in haemochromatosis isinfluencedbymanythings.Thesemaybethoughtofbroadlyasfactorswhichpositively (+) enhanceor reduce (-) thedegreeof iron loading,including:

+aperson’sage(increasedageprovidesalongertimetodevelopironoverload)+theamountofironinaperson’sdiet+theamountofironapersontakesinvitaminpillsandmedications+theamountofalcoholapersondrinks+unidentifiedotherfactorsincludingothergenes–thenumberoftimesapersonhasdonatedblood–bleedingforanyreasonsuchasaccidentsandoperations–formenstruatingwomen,theamountofbloodlostintheirperiods–numberofchildren(pregnancyusesupstorediron)–unidentifiedotherfactorsincludingothergenes

Symptoms of iron overload

Symptomsofhaemochromatosisdonotnecessarilyappearinaparticularorderandnoteverypersonwithhaemochromatosiswillhavesymptoms.Many individuals, especially those who are younger, may have nosymptomsatall.Eachpersonhastheirownindividuallevelatwhichtheymightfeelsymptomsofironoverload.

Generally symptoms develop as iron levels increase. However, somepeoplecanhavehighlevelsofstoredironwithnosymptoms.Theabsenceofsymptomsdoesnotnecessarilyindicatethatthereisnosignificantbodytissuedamageoccurring.

Haemochromatosis-YourQuestionsAnswered 11

Page 12: Haemochromatosis€¦ · 10 Haemochromatosis - Your Questions Answered. What might haemochromatosis do to me? Quick answer If you have the genetic faults for haemochromatosis you

General symptoms of iron overload

Fatigue,weakness,lethargy,apathy,weightloss,abdominalpainandjointaches.

Symptoms of higher levels of iron overload in certain organs

LiverIron overload in the liver causes fibrosis, which generally repairs whenironstoresarereduced.Higherlevelsofironleadtocirrhosis(irreversiblescarringandthedeathoflivercells).

Symptomsinclude:• Painintheliver(underyourrightribcage)duetoliverdamage• Enlargedliver,whichdoctorscallhepatomegaly• Fatigueandweakness• Jaundice(yellownessoftheskinandwhitesoftheeyes)• Reducedbodyhair,itching,easybruisingInthemostseriouscasesironoverloadleadstolivercancer.

HeartIronoverloadintheheartleadsto:• Irregularheartbeatorpalpitationsduetoheartmuscledamage• Shortnessofbreath,breathlessnesswithphysicalactivity• Fatigue• SwollenanklesInthemostseriouscasesironoverloadleadstoheartfailure.

PancreasIronoverloadinthepancreascausesdiabetes.Thesymptomsofthisare:• Thirst• Increasedneedtourinate• Tiredness

Haemochromatosis-YourQuestionsAnswered12

Page 13: Haemochromatosis€¦ · 10 Haemochromatosis - Your Questions Answered. What might haemochromatosis do to me? Quick answer If you have the genetic faults for haemochromatosis you

• Skininfectionsthatdon’thealwell• Blurryvision• Dizziness• Alwaysfeelinghungry,weightgainorweightloss

Diabetes,ifuntreated,maycausesevereillnessincludingblindness,kidneyfailure,heartattackanddeath.

JointsHaemochromatosis is associated with arthritis. The most commonlyaffectedjointsarethehands,wrists,shoulders,hips,kneesandankles.

SkinIronoverloadmaycausegreyorbronzediscolourationoftheskin.

SexorgansIronoverloadmaycause:• Inwomen,irregularperiods,earlymenopause,lossoflibido• In men, impotence (inability to get or maintain an erection), loss

of libido, shrinking testicles (which doctors call testicular atrophy),developmentofmanboobs(whichdoctorscallgynaecomastia).

Haemochromatosis-YourQuestionsAnswered 13

Page 14: Haemochromatosis€¦ · 10 Haemochromatosis - Your Questions Answered. What might haemochromatosis do to me? Quick answer If you have the genetic faults for haemochromatosis you

Will it happen to me?

Not every person with the commonest genetic mutations linked tohaemochromatosiswilldevelopironoverload.

InAustraliaabout1in3malesand1in30femaleswhoareagedbetween40and70yearsandarehomozygousC282Ywill,atsomestage,developclinicalfeaturesofironoverloaddisease.

Itisdifficulttopredictifandwhensomeonewithgeneticmutationslinkedtohaemochromatosiswilldevelopironoverload,so life-longmonitoringof iron levels iscrucial.Mostmenandwomenwhowilldevelopclinicalproblemsrelatedtoironoverloadwillhavedonesobytheageof55-60years.

Itisimportanttorememberthatmanyofthesymptomsthatareassociatedwith haemochromatosis may have other causes. If a new, unusual orworryingsymptomdevelops,it’sagoodideatogetacheck-upwithyourdoctor.

Do I need to see a specialist?

Quick answerEveryGPhastheirown levelofexperience in lookingafterpeoplewithhaemochromatosis.Your GP might have lots of experience and feel very comfortable inlookingafteryou.However,yourGPmightnothavemuchexperienceinlookingafterpeoplewithhaemochromatosisandmightwishtoaskfortheadviceandinputofaspecialist.

More information - Contributed by Professor Lawrie Powell

Thefollowingaresomereasonsforapersonwhohashaemochromatosistobereferredtoaspecialist:

• SerumFerritin(SF)morethan1000µg/Latthetimeofdiagnosis• Ironoverloadwithouttypicalgenotype(HomozygousC282Yor

CompoundHeterozygousC282Y/H63D)• Abnormalliverfunctiontestsatthetimeofdiagnosis• Enlargedliveratthetimeofdiagnosis• Alcoholdependency.

Haemochromatosis-YourQuestionsAnswered14

Page 15: Haemochromatosis€¦ · 10 Haemochromatosis - Your Questions Answered. What might haemochromatosis do to me? Quick answer If you have the genetic faults for haemochromatosis you

Sometimes,furthertestsareneededtogetabetterideaofwhetherthereareanycomplicationsofhaemochromatosis.

Theorganmostdirectlyaffectedbythisconditionistheliver.Thereforethespecialistsmostoftenusedaregastroenterologistsorhepatologists.Otherspecialistswilladviseonheart,jointandothermattersasrequired.

Inanycase,youalwayshavethe right toseekanotheropinion fromadifferentGPorfromaspecialist.

How is haemochromatosis treated?

Quick answerKeepironstoresatasafelevel.Havebloodteststocheckyourlevelandhavebloodtakenasnecessarytounloadiron.

More information - Contributed by Professor John Olynyk

The goals of treatmentThegoaloftreatmentofhaemochromatosis istorestoreironlevelstoasafelevelassoonaspossible,andtomaintainlife-longsafeironlevels.Thisisbecausehavingsafeironlevelsreducesthesymptomsofironoverloadandcanhelpavoidthecomplicationsofhaemochromatosis.

Early diagnosis and treatment prevents complications and results in anormallifeexpectancy.

What if I have the genetic mutations but do not have iron overload?

Youshouldarrangewithyourdoctortomonitoryourironlevelsevery12months.YouneedtakenootheractioniftheyremaininthenormalrangeSerumferritin-20–300µg/lformen,10–200µg/lforwomen.

Haemochromatosis-YourQuestionsAnswered 15

Page 16: Haemochromatosis€¦ · 10 Haemochromatosis - Your Questions Answered. What might haemochromatosis do to me? Quick answer If you have the genetic faults for haemochromatosis you

How can iron levels be reduced?

Venesection, or removal of 300-500mls of blood via a needle into thearm(thesamemethodasblooddonation),isthemaintreatmentofironoverloadinpeoplewithhaemochromatosis.

Sincethe1940s,venesectionshavebeensafelyusedinthetreatmentofhaemochromatosis. This treatment isa safe,effective,andeconomicalway of removing iron from the body. Rarely, some individuals cannotreceivevenesectiontherapy.Forthesepeople,specialdrugscalled“ironchelators”canbeadministeredtoremovestoredironfromorganssuchastheliver,heart,andpancreas.

Haemochromatosisisnotablooddisease.Thustheredbloodcellsofanindividual with haemochromatosis can be safely transfused into otherindividuals,providingthepersonhasnoothercontraindicationtobeingablooddonor.ThisisthemainreasonwhytheAustralianRedCrossBloodServiceprovides treatment tohaemochromatosispatients – theyareawonderfulsourceofblooddonors.

How can removal of blood remove stored iron?

Yourbodycontainsabout5litresofblood.Yourbonemarrowisthebloodcell factoryofyourbody.Routinely inthehumanbody, redbloodcellsarerecycledevery3months.Ifyoulosebloodbybleedingordonatingblood,yourbonemarrowcanreplacethatlostbloodaslongasyouhaveenoughiron,vitaminB12andfolate.Thisisbecauseiron,vitaminB12andfolateareingredientsusedtomakenewredbloodcells.

Afterbloodisremovedbyavenesection,someoftheironthatisstoredinthebodymovesoutofstorageandbecomesavailabletohelpmakenewredbloodcells.

If you have haemochromatosis and are iron overloaded and haveadequate vitamin B12and folateavailable, yourbonemarrowwill beabletomakenewredbloodcellseverytimeyouhaveavenesection.

Haemochromatosis-YourQuestionsAnswered16

Page 17: Haemochromatosis€¦ · 10 Haemochromatosis - Your Questions Answered. What might haemochromatosis do to me? Quick answer If you have the genetic faults for haemochromatosis you

Astandard500mlvenesectionremoves0.25gramsofironfromthebody.(Thatisequivalenttotheamountofironina40mmnail).

Ittakes4venesectionstoremove1gramofexcessiron(4nails)Apersonwithmoderateironoverloadmayhavebetween4and10gramsofexcessiron,whichwilltakebetween16and40venesectionstoreducetonormallevels.

Severe iron overloadmaybe up to 40 grams of excess ironwhichwillrequireupto160venesectionstoreducetonormallevels.

This is one way of understanding the iron level test results*notveryusefulinthediagnosisandmonitoringofironoverload**veryusefulinthediagnosisandmonitoringofironoverload

Ironleveltestname ExplanationIfitwasmoney,itwouldrepresent

SerumIron* ironinthebloodstream“loosechangeinyourpocket”

TIBC*abilitytogeteven

moreiron“greedinessformoremoney”

TransferrinSaturation**irontransportedaround

thebody“moneykeptinyourwallet”

SerumFerritin** ironstored“thesavingsyouhave

inyourbank”

Haemochromatosis-YourQuestionsAnswered 17

Page 18: Haemochromatosis€¦ · 10 Haemochromatosis - Your Questions Answered. What might haemochromatosis do to me? Quick answer If you have the genetic faults for haemochromatosis you

The treatment of haemochromatosis is in two phases:

1. Iron unloading phase Thiscontinuesuntilstoredbodyironlevelsareatthelowerendofnormal• weeklyvenesections• itmaytakemanymonthstounloadexcessstorediron• theaimistohaveanormalhaemoglobinandSerumFerritinofabout

20-50µg/L(alownormalrangevalue)

2. Life-long maintenance phase• monitoringironlevelsatleastevery12months,usuallyevery3months• enoughvenesectionseveryyearofyour lifetokeepyour ironstores

atasafelevel

The number of venesections required tomaintain your iron stores at asafelevelishighlyvariablebetweenindividuals.Herearesomeinterestingfacts:• inwomenwhomenstruate,bloodlosseachyearisaboutthesameas

2venesectionseachyear• menstruatingwomenusuallyneed1-2venesectionseachyear• men and non-menstruating women usually need 3-4 venesections

eachyear

How do I know if my treatment is on track?

Therearea fewthings to lookatwhen interpretingyourbloodtests,asthesetestresultsguidehowoftenvenesectionsarerequired.

Firstly,thenumberofredbloodcellsinyourblood.this is measured by Haematocrit or Haemoglobin. You need to havea normal Haemoglobin before having a venesection. Having lowhaemoglobin is called anaemia – avoid this! You should not have avenesectionifyouareanaemic.

Secondly,theamountofstoredironinyourbody,oryourironlevels.ThebestguideofyourironstoresisyourSerumFerritinLevelitisthemostusefultesttoguidehowmanyvenesectionsareneeded.

Venesections need to be slowed down if:

1.YourHaemoglobinistoolowbecauseyourbodyhasn’treplacedyourredbloodcellsjustyet.2.YourSerumFerritinistoolowbecauseyouarenolongerironoverloaded.

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Page 19: Haemochromatosis€¦ · 10 Haemochromatosis - Your Questions Answered. What might haemochromatosis do to me? Quick answer If you have the genetic faults for haemochromatosis you

What about diet?

Youshouldhaveahealthy,nutritiousdiet.Thiswillincludefoodswiththesmallamountofironthatyoucontinuetoneed.

Haemochromatosiscannotbetreatedbydiet.

Anyexcessironabsorbedbythebodymustberemovedbyvenesectioneventually.

A500mlvenesectionremoves0.25gofiron,whichisroughlyequivalentto2to6months’worthofironabsorbedfromyourdiet.

Soeatwhatyoulike,aslongasyouparticipateinlife-longmonitoringofironlevelsandyouhaveenoughvenesectionseveryyearofyourlifetokeepyourironstoresatsafelevels.

IfyouarehavinglotsofvenesectionsextravitaminB12andfolate,eitherinyourdietortakenasasupplement,canbeveryhelpful.

What about seafood?

Peoplewithhighironlevelsshouldbecarefuleatingrawseafood.

• Vibriovulnificusisabacteriumthatcancauserapidandlifethreateningsepticaemia

• ItisrarebutnotunknowninAustralianwaters• ItthrivesinthebloodofpeoplewithhighSerumFerritin• Itisfoundinrawseafood,particularlyinrawoystersandrawclams• Cookingtheseafooddestroysthebacterium• ItcanbefoundinseafoodfromIndia,AsiaandMexico• Peoplewithhighserumferritinshouldwatchcutsandabrasionswhichoccurinseawaterandseekhelpiftheydonothealwell.

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Haemochromatosis-YourQuestionsAnswered20

Page 21: Haemochromatosis€¦ · 10 Haemochromatosis - Your Questions Answered. What might haemochromatosis do to me? Quick answer If you have the genetic faults for haemochromatosis you

A healthy, nutritious diet

Forgoodhealth,choosefresh,unprocessedfoodsthatarehighinnutrientsandlowinsaturatedfats.Enjoyawidevarietyofnutritiousfoods:• eatplentyofvegetables, fruitsand legumes (beans,bakedbeans,

chickpeas,lentils)• eat plenty of cereals (including breads, rice, pasta and noodles),

preferablywholegrain• includeleanmeat,fish,poultryorvegetarianalternatives• includelow-fatdairyfoodssuchasmilk,yoghurtandcheeses• drinkplentyofwater

andtakecareto:• eatonlymoderateamountsofsugarsandfoodscontainingadded

sugars• choose lower fat foods and limit saturated fat in your diet (butter,

cream,meatfats)• choosefoodslowinsalt• drinkwithinthesafelimitsifyouchoosetodrink(maximum2standard

drinksperdaywithtwoalcohol-freedayseachweek).

Iron supplements are best avoided.Iron fortified foods and drinks are best avoided. These include somebreakfastcereals,somekindsofmilk,orangejuices,‘energyfooddrinks’andmanysportsenergybarsanddrinks.

What about alcohol?

Any alcohol consumed can increase liver problems and increaseiron absorption. Limit your alcohol intake to safe drinking levels asrecommendedbytheNationalHealthandMedicalResearchCouncilofAustralia.

Ifyouhaveanyliverinjurythenyoushouldnotconsumeanyalcohol.

AustralianAlcoholGuidelines• For healthymenandwomen,drinkingnomore than two standard

drinks on any day reduces your risk of harm from alcohol-relateddiseaseorinjuryoveralifetime.

• Drinking no more than four standard drinks on a single occasionreducestheriskofalcohol-relatedinjuryarisingfromthatoccasion.

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Where do I go for venesection?

Quick answerTalktoyourdoctorabouttheoptionsinyourarea.Haemochromatosisisnotabloodcondition.Subjecttootherillnessortreatment,yourbloodisusefulforotherpeople.

Some options

Red Cross Blood Service

Contributed by - Dr Barbara Bell, National Blood Services ManagerAustralian Red Cross Blood ServiceThe Australian Red Cross Blood Service (the Blood Service) has atherapeuticvenesectionprogramforindividualswhohaveironoverloadasaresultofhereditaryhaemochromatosis(HH),whichisfundedbytheNationalBloodAuthorityonbehalfofallAustraliangovernments.

ManypeoplewithhaemochromatosiscanattendtheBloodServiceforvenesectionandtheBloodServiceisabletouseyourdonationtohelpsavelives.Ifyouarenoteligibletodonatebloodwhichcanbeusedtotreatpatientsbecauseofmedicalor lifestyleconsiderations, theBloodServicemaybeabletoofferatherapeuticvenesectionservice.

It is of utmost importance thatwhen you attend the Blood Serviceyoualwaysanswerourquestionshonestly inordertoensureyoursafetyandthesafetyofthepatientswhomayreceiveyourblood.WhilstmanypeoplewithhaemochromatosisandironoverloadareeligibletoundergotherapeuticvenesectionwiththeBloodService,therearesomepeopleforwhomthisisnotanoption. Because ensuring the safety of Australia’s blood supply is the BloodService’spriority,peoplewhohaveevidenceof infectionwithanyviruswhich is spread through exposure to infected blood (hepatitis B,hepatitis C or HIV infection)arenoteligible for the Blood Servicetherapeuticvenesectionprogram.TheBloodServicetestsforthesevirusesateveryattendance.Ifyouhaveoneoftheseinfections,yourdoctorwillneedtoorganisetreatmentelsewhere.

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TheBloodService iscommittedtocaringfordonors’healthandsafety.It is not able to provide one-on-one nursing ormedical supervision fordonors,andbecauseof this thereareanumberofmedicalconditionswhichmakeindividualsunsuitableforvenesectionattheBloodService.

Peoplewithknownheartdisease(heartattack,angina,heartfailure,andabnormalitiesofheartrhythm),andthosewhohavesufferedfromothervasculardisease(stroke,TIA,diseaseofthebloodvesselsinthelegs)arenotabletoundergovenesectionwiththeBloodService.Ifyouhaveoneoftheseconditions,yourdoctorwillneedtoorganisetreatmentinafacilitywherehighlevelsofmedicalandnursingsupervisionoftheprocedureispossible.

Individualswhocarryonegeneforhaemochromatosisarenoteligibleforthetherapeuticvenesectionprogram.However,theyareabletoattendtheBloodServiceanddonateasanormalblooddonor,atamaximumfrequency of once every 12 weeks. It is important to note that theseindividualsmustmeetallthedonoreligibilitycriteriaforblooddonation.Moreinformationabouteligibilityasablooddonorcanbefoundatwww.donateblood.com.au. TheBlood Servicedoesnotperformanymonitoringof ferritin levels fortherapeuticdonorsandit isofutmost importancethateveryonewhoisontheBloodServicetherapeuticvenesectionprogramcontinuestoseetheirtreatingdoctorregularly.

Ifyouneedvenesectionmorefrequentlythanonceevery12weeks,yourdoctorwillneedtoreviewyourvenesectionscheduleregularly(atleastonceevery12months).Ifyouundergovenesectiononceevery12weeksorlessoften,annualreviewisnotrequiredunlessyourdoctorconsidersitisnecessarytoincreasethefrequencyofyourvenesection.

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Online Referral to Australian Red Cross Blood Service TheAustralianRedCrossBloodServiceoffersanonlinereferralserviceforyourdoctortoreferyoutothetherapeuticdonorprogram.The High Ferritin application allows doctors to provide all necessaryinformation required to assess your suitability for the program so thatvenesectionscancommencequickly.Treatingdoctorscanaccessthereferralapplicationatwww.highferritin.transfusion.com.au

Forthedetailsofthetherapeuticvenesectionpolicyyourdoctorcanreferto www.transfusion.com.au/high_ferritin

Public HospitalsSome public hospitals offer venesection through gastroenterology,haematologyorcanceroutpatientclinics.Thisserviceisfree.Generally theblood isdiscardedbut somehospitalclinics, suchas theoneattheRoyalBrisbaneandWomen’sHospital,makegooduseofthebloodforresearchpurposes.

Private Pathology ServicesSomeprivatepathologyservicesoffervenesectionona fee for servicebasis.AproportionofthesewillcollectthefullfeedirectlyfromMedicare.Others will charge the patient who then gains partial recovery fromMedicare.Thebloodcollectedisdiscarded. General Practice and Medical ClinicsSomeGeneralPracticeandmedicalclinicsoffervenesection.Paymentarrangementsare the sameas forprivatepathology servicesand thusfreeforsomepatientsbutatasubsidisedcosttoothers.Thebloodcollectedisdiscarded.

Day SurgeryOccasionally people with particular difficulties are admitted to daysurgery units for venesection. In public hospitals this service is free ofcharge.Feesatprivatehospitalsmaybepartlyorfullycoveredbyprivatehealthinsurance.Thebloodcollectedisdiscarded.

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Further information and supportHaemochromatosisAustralia

HaemochromatosisAustralia isthenot-for-profitsupport,advocacyandhealthpromotiongroupforAustraliansaffectedbyhaemochromatosis.

• Weprovidesupportandinformationforpeoplewithhaemochromatosisandtheirfamilies.

• Wepromoteawarenessofthedisorderandtheneedforearlydiagnosis.• Weencourageandfosterresearchintohaemochromatosis

FormoreinformationcontactusonourInformationLine1300019028.LocalcallfeefromanylandlineinAustralia,Monday-Friday9:00am-5:00pm.Orvisitourwebsitewww.ha.org.au

Become a memberYou can join or make a donation to Haemochromatosis Australia onourwebsitewww.ha.org.au/supportus, by completing the form on thefollowingpageorbycalling1300019028.Bybecomingamemberormakingadonationyouwillhelpustoreducetheimpactofhaemochromatosis.Membersreceivearegularnewsletteranduptodateinformation.

Haemochromatosis VideosView our helpful haemochromatosis videos at www.youtube.com.au/haemochromatosisaust

A Practical Guide to Haemochromatosis This is a most comprehensive book that has been prepared byMargaretRankinAM,founderofHaemochromatosisAustralia.Itwasfirstpublishedin1991andhasbeenregularlyupdated.Itisprovidedfreeofchargetoallnewmembers.

More organisations providing support and information• ArthritisAustralia-www.arthritisaustralia.com.au1800011041

• DiabetesAustralia-www.diabetesaustralia.com.au1300136588

• HeartFoundation-www.heartfoundation.org.au1300362787

• AustralianRedCrossBloodServicewww.donateblood.com.au 131495

• DigestiveHealthFoundation(GastroenterologicalSocietyofAustralia)

www.gesa.org.au

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26 Haemochromatosis-YourQuestionsAnswered

Join or Donate to Haemochromatosis Australia

You can join Haemochromatosis Australia or make a donation by:• Completingthesecureonlineformonourwebsiteat www.haemochromatosis.org.au/joinandpayingbycreditcard, PayPalorbanktransfer• Completingtheformbelowandreturningittouswithyour cheque,moneyorderorcreditcarddetails,or• CallingourINFOLINE1300019028topaybycreditcard

Please post this form to:HaemochromatosisAustraliaPOBox6185MERIDANPLAINSQLD4551

Title:..................................................................................................................................................................................................Givenname:.........................................................................................................................................................................Lastname:...............................................................................................................................................................................Address:......................................................................................................................................................................................Suburb:.........................................................................................................................................................................................State:..........................Postcode:............................. Country (ifoutsideAus)................................................

Phone(Home)........................................................................... (Mobile).................................................................Email:..............................................................................................................................................................................................Dateofbirth: .............................................Membership fees:Standard:$40.00Concessional: $25.00 (if youare receivinggovernment support suchasageordisabilitypension)MembershipFee: $_____________Iwouldliketodonate:$_____________Total: $_____________Payment:ChequeorMoneyorder$_____________attached.(pleasemakepayableto‘HaemochromatosisAustralia’OrPleasechargemycreditcard$_____________Mastercard/Visa(circleone)CardNumber:____-____-____-____Expirydate:_______/_____________Signature:………………………………………….

Date:………………………………………………….

Alldonationsof$2ormorearetaxdeductible.

THANK YOU FOR YOUR SUPPORT

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Explaining some words

Genotype-thedescriptionofageneMutation-afaultinageneNormal genotype- nomutationHeterozygous-onemutatedgeneandonenormalgeneHomozygous- twomutatedgeneswiththesamemutationCompound Heterozygous-twomutatedgeneswithdifferentmutationsVenesection and Phlebotomy-bothwordsmeangivingblood Does having the genetic mutations mean that I have haemochromatosis?

Some people would say that you do not havehaemochromatosisunlessanduntilyouhaveironoverload.They would say that if you are homozygous C282Y orcompoundheterozygousthenyouhaveapredisposition to haemochromatosis. Thismeansyouareoneof thepeoplewhomaydevelopironoverload.

Otherswouldsaythatifyouhavethemutationsyouhavegotthecondition.

Thereisnoclearagreementonthisuseoftheword.

In some places haemochromatosis is called Inherited Iron Overload Disorder.

Insomeplacesitisspelthemochromatosis.

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Firstedition:May2012Secondedition:May2013Thirdedition:August2014Fourthedition:May2017©HaemochromatosisAustralia

ISBN-13978-0-9875581-2-1

PublishedbyHaemochromatosisAustralia,thenotforprofitsupportandadvocacygroupforpeoplewithhaemochromatosisandtheirfamilies.

Contact Us:INFOLINE1300019028www.ha.org.auPublications@ha.org.auPOBox6185MERIDANPLAINSQLD4551