two novel treatments for the prevention and treatment of ...• the wound cleansing properties of...
TRANSCRIPT
Introduction
• Askincareworkingpartywassetuptoproduceevidencebasedpracticeskincareguidelines,includingrecommendationsforthetreatmentandpreventionofmoistdesquamation.Anauditof259patientsin2008revealedthat7%ofpatientsdevelopedmoistdesquamation.
• Aliteraturesearchbymembersoftheskincareworkingpartyfoundseveralstudieslookingatthepreventionofskinreactions1-6.Oneofthesestudieslookedintotheuseofcavilonnostingbarrierfilm(CNSBF)inpostmastectomytreatments6.TheresultsfromthestudysuggestedthattheuseofCNSBFcouldreducetheincidenceofmoistdesquamationinthisgroupofpatients.Anin-houseauditwasdevisedtoassesstheeffectivenessofCNSBFinotherpatientgroups.
• Numerousstudieshavepreviouslylookedatthetreatmentofmoistdesquamation7-11.Noonetreatmentinterventionhasbeenprovensuperiortoanyother9.
• Howeverourexistingclinicalpracticeneededupdatingtofollowbestpracticemoistwoundhealingprinciples.
• PolyMemdressingwaschosenandassessedforitsefficacyinthetreatmentofmoistdesquamation.Itsappealingpropertiesincludedodourreduction,nonadherence,absorbency,woundcleansingaswellashealingandpainrelief.
Methods and Materials
• 40patientswereidentifiedathighriskofdevelopingfrictionrelatedmoistdesquamation(RTOGscore2bandabove)usingtheresultsgainedfromthepreviousaudit(seetable1).
• These40patientsweregivenCNSBFtoapplyduringtheirtreatment.Theapplicationstartedtwiceweekly.OnceRTOG2bwasreached,theapplicationswereincreasedtoeveryotherday.TheirRTOGscorewasinitiallyrecordedweekly,thenincreasedtotwiceweeklyonce2bwasreached.Eachpatientwasissuedwitha28mLspraybottleandgivenverbalinstructionsforuse.
• 20patientswhodevelopedRTOG2bweregivenPolyMemdressingsappliedasperthemanufacturersinstructionsandtheirRTOGscorerecordedtwiceweekly.TheirpainscorewasrecordedbeforeandafterapplicationusingthefollowingadaptedpainmeasurementscalebyMcCaffreyandBeebe(1989)assuppliedbyActivaHealthcareLtd.
Table 1: Patient groups identified as being at high risk of developing RTOG 2b skin reactions
Results - CNSBF
• Ofthe40patientsidentifiedasbeingathighrisk,17(42.5%)patientsdevelopedstage2borgreaterskinreactions,3oftheselaterdevelopedstage3andnoneofthepatientsinthestudydevelopedstage4(Graph1).
• Stage2bwasnotobservedinanyofthecasesuntilweek3.Table2showsasummaryoftheweeklyskinreactionsover2bobservedindifferentpatientgroupsincludingriskfactorsassociatedwiththesepatients.8ofthesepatientswentfrom0to2binthespaceofaweek,3from1to2band2from2ato3.
• TheRadiographersobservedamarkedimprovementintheskinreactionsgenerallyandinparticularforpatientstreatedforanalcarcinomathatusedCNSBFwherethe2bareatendedtobelimitedtotheperinealregion.Intwoanalcarcinomapatientstheirgroinandgenitalareasweremissedintheapplicationprocess,stage2bwasreachedatweek3intheseareas,comparedtoweek5fortheperineum.
• Someskinreactionsdidnotfollowtheusualgradualprogressionthroughstage1,2a,2b,andinsteadwentstraightto2aor2b.
• TwopatientsreportedasensitivitytoCNSBF-amilderythematousrashdevelopedintheapplicationareaearlyoninthestudy-thereforeallpatientsweretestedforsensitivityoutsidethetreatmentarea24hoursbeforeCNSBFwasapplied,afurther2patientssubsequentlyshowedsensitivityreactionsandwereexcludedfromthestudy.
Table 2:- RTOG weekly score
PolyMem
• Ofthe17patientsreachingstage2b+intheCNSBFaudit,11weregivenPolyMemtouse(onepatientwasnoncompliantandasecondpatientdidnotlikethedressingandthereforedidnotuseit.TheremainingpatientsweregivengentianviolettoapplybytheclinicianbeforePolyMemcouldbeused).
• Atotalof20patientsweregiventhedressing.Table3showsatwhichRTOGscorePolyMemdressingswereinstigatedandtowhichsites.
• PolyMemwasgenerallyusedafterthepatienthadreceivedaminimumof20Gy.
• PolyMemwasfoundtohavereducedpainscoresbetween1and4pointsin14ofthe19patientsstudied.WilcoxonSignedRanksTestshowedthatthisisasignificantreduction(p<0.001).
Table 3:- RTOG score and number of patients* issued withnPolyMem dressing(*NBsomepatientsusedthedressinginmultiplesites)
Discussion
• Fromtheresultsofthestudythereappearstobeadelayinthepresentationofacuteskinreactions.Thisishighlightedintwoanalcarcinomapatientswherestage2bwasreachedinareasmissedbytheCNSBFapplication2weeksbeforetheareasthathadCNSBFapplied.
• 57.5%ofhighriskpatientsdidnotreachtheexpected2bskinreactionsnegatingtheneedforfurtherinterventions,overallthismayreducethecostintreatingthesepatientsskinreactionslongtermaswellasimprovingoverallcosmeticresultsandthepatientsexperienceoftreatment.
• Weareunabletoofferanexplanationastowhytheskinreactionsappearedtomissstagesofreactions.
• InitiallypatientswereaskedtoapplytheCNSBFthemselves,howeverRadiographersnotedabettercoverageandconsequentlyabetterreactioniftheCNSBFwasappliedbyRadiographers,thisalsoencouragedRadiographerstoassesstheskinreactionmorefrequentlyandinterveneearlierwithPolyMem.
• Theapplicationprocesstakes30secondsandduetothesmallnumberofpatientsrequiringapplication,thishasnooverallimpactontreatmentunitthroughput.
• InsomepatientstherewasabuildupofCNSBFwhenthepatientwasunabletoadequatelywashthetreatmentareaalthoughthisdidnotappeartoeffecttheoverallresults.OnebreastpatientstoppedusingCNSBFasherperfusesweatingcausedabuildupoffluidbeneaththefilmcausingdiscomfort.
PolyMem
• Thereisasignificantpainreductionformanypatients.Thisisduetoaninhibitionbythepolymericmembraneofthedressingonthenociceptorreaction,whichhasalsobeenproventoreduceinflammation,bruisingandoedema13,14onbothbrokenandintactskin.
• Thewoundcleansingpropertiesofthedressingensuredthattheriskofinfectionwasreducedwhilethedressingwasinplaceaswellasensuringeaseofdressingchangesandthetimerequiredwasminimised.
• Woundhealingcommencedinsomepatientsevenwhilstcontinuingwithradiotherapytreatment.
• PolyMemalsoactedasananti-inflammatorywhenitwasinstigatedatstage2a,particularlyintheanal/perinealregion.
• Feedbackfrompatientswaspositive,fromeaseofusetopainandodourrelievingproperties.Nopatientsshowedsignsofsensitivity.
• Someareasstillremaindifficulttodressandensurethedressingissecuree.g.scrotal,vulvalregions.Oftenthiswaseffectivelymanagedbyencouragingpatientstousescrotalsupportsandnettolastpants.
Cost implications
(asperOctober2009NHSsuppliescatalogueprices)
• 1bottleofspray(£8.26)lastedfor4weeksofapplication(18patients).22patientsrequiredanotherbottle.
• Ofthese40patients,11receivedPolyMemdressings.Twosizeswereordered(10x61cmroll(£12.21perroll)and13x13cmdressings(£4.21perdressing)),bothdressingswerecuttosizeasrequiredandchangeddaily.Totalcostperpatientwasdependantonwhenthedressingwasissuedthemaximumcostforasinglepatientwasfor5rolls(£61.05).AsthedressingisfreelyavailableinthecommunityG.P.swereabletoprescribethedressingforthepatientsonceitseffectivenesswasestablishedwithonly1dressingneedingtobeissuedbythedepartment.
Conclusion
• DuetotheeffectivenessoftheCNSBFitisnowroutinelyappliedbyRadiographerstopre-identifiedhighriskpatients,howeverallpatientsaretestedforsensitivitypriortoitsapplication.
• CNSBFisalsousedtopreserveskinmarksrequiredforsuperficialx-rayandelectrontreatments.
• PolyMemisnowissuedbyRadiographerstoallpatientspresentingwith2bskinreaction.
• Inpatientsbeingtreatedforlowerrectal/analcancerstheauthorswouldrecommendtheinstigationofPolyMemat2askinreactions,particularlywhenthepatienthasaheavymucosaldischargeandthereforetheskinislikelytomacerateandbreakdown.
• FuturestudiesarewarrantedintheuseofCNSBFwherepatientsareusedastheirowncontroltofullyestablishCNSBFeffectivenessinthepreventionofacuteradiotherapyinducedmoistdesquamation.
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Treatmentsiteisintheanal-genitalareae.g.vulva,vagina,penis,scrotum,anus,groins
Radicallimbs
Obeseradicalpelvispatients(withskinfoldsintreatmentarea)
Breastpatientsneedingorfitimmobilisationbras
Radicalfaceandneckhavingconcurrentchemotherapyorbolus
Week Number
RTOG Score Diagnosis Risk factors
3 2b3xBreast2xAnus
Largecupsize,tangentialpair,ParallelPair,bolus,concurrentchemo
4 2b2xAnus1xRectum1xVulva
AsAbove(samepts)Concurrentchemo,Parallelpair,bolus,concurrentchemo
5
2b
5xAnus3xRectum1xPenis1xGroin
AsaboveConcurrentchemo,Parallelpair,concurrentchemoHightotaldose,bolus,vacbag
31xVulva1xGroin/scrotum
Parallelpair,bolus,concurrentchemoHighdose,electrons
6
2b4xAnus1xGroin
AsaboveSameptaswk5
31xVulva1xGroin/scrotum1xAnus
Sameptaswk5Sameptaswk5
7 2b1xGroin1xFemur/groin
Sameptaswk5+6Hightotaldose,vacbag
RTOG Score No. of Patients Site
0 0
1 21–Inframammaryfold
1–Genitalarea
2a 61–Inframammaryfold5–Anal/perinealarea
2b 13
1–Axilla1–Inframammaryfold1–Scrotum2–Underabdominalfold4–Groin4–Anal/perinealarea
3 1 1–Anteriorcommisure
Two Novel Treatments for the Prevention and Treatment of Radiation Induced Moist Desquamation Authors: Claire Bode1 Helen Woodman2, Radiotherapy Department, Queen Elizabeth Hospital, Birmingham, B15 2TH 1 – Training and education Facilitator, 2 – Macmillan Paediatric Liaison Radiographer