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Published byRudolf Wilkerson Modified over 9 years ago
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Oxford Street 2 progress update Paul Cullinan NHLI: Fan Chung/Rudy Sinharay/Peter Collins KCL: Ben Bradshaw et al. Exposomics November 2014
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Boris Johnson admits London's Oxford Street is one of world's most polluted London mayor makes u-turn over Oxford Street’s pollution levels in a letter to the EAC about research funding for King’s College, that made the original claim on air quality. 13 Nov 2014 24 comments
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cross-over design 40 each: COPD (moderate) IHD (stable, no COPD) Healthy (neither of above)
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Schedule of measurements time re. exposure-2hr0hr+1hr+2hr+3hr+4hr+24h placelab.site lab. time8am10am11amnoon1pm2pm3pm4pmnoon symptomsXX X X XX arterial stiffnessX XX XX continuous ECG X venesectionX XX urine collectionX X spirometryXXXXX XXX ios X X EB condensateX X X induced sputumX clinical measurements
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pre-exposure questionnaires: geography postcodes home work significant other today’s date how did you get here today? tube( ) bus( ) car( ) motorbike( ) bicycle( ) walk( ) Where were you? (tick one or more) home ( )work ( ) significant other ( ) any other? (describe) yesterday -2 -3 -4 -5 -6 -7
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pre-exposure questionnaires: diet breakfastlunchsupperother yesterday time place food and drink today time place food and drink tomorrow time blank place food and drink
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exposures (n=c.120 measurements) Hyde Park Oxford Street P median distance walked5.3mi temp18.018.9>.05 RH51.350.9>.05 noise73.475.2<0.001 PM 2.5 7.518.1<0.0001 PM 10 16.124.7<0.0001 ultrafine n570925472<0.0001 carbon black1.210.4<0.0001
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male N ageFEV 1 % pred FVC % pred PWV m/s AI % IOS 5Hz kPa/L/s COPD40196858889.3260.57 IHD393567971009.4250.47 healthy391962981068.3250.40 participants
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healthyCOPDIHD FEV 1
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healthyCOPDIHD impulse oscillometry (5Hz)
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healthyCOPDIHD AI
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Next steps samples to labs ‘exposomic’ questionnaire information analysis …
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