Which factors increase the probability of a favourable prognosis after a diagnosis of occupational asthma?

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2++

The likelihood of improvement or resolution of symptoms or of preventing deterioration is greater in workers who have no further exposure to the causative agent.

Evidence

Burge PS , Non-specific bronchial hyper-reactivity in workers exposed to toluene di-isocyanate, diphenyl methane di-isocyanate and colophony , Eur J Respir Dis , 1982 ; 63 Sup 123 : 91-96

ChanYeung M, Lam S, Koener S , Clinical features and natural history of occupational asthma due to western red Cedar (Thuja plicata) , Am J Med , 1982 ; 72 : 411-415

Merget R, Schulte A, Gebler A, Breitstadt R, Kulzer R, Berndt ED, Baur, X, SchultzeWerninghaus G , Outcome of occupational asthma due to platinum salts after transferral to low-esposure areas , Int Arch Occup Environ Health , 1999 ; 72 : 33-39

Moscato G, Dellabianca A, Perfetti L, Brame B, Galdi E, Niniano R, Paggiaro P , Occupational asthma: A longitudunal study on the clinical and socioeconomic outcome after diagnosis , Chest , 1999 ; 115 : 249-256

Pisati G, Baruffini A, Zedda S , Toluene Di-isocyanate Induced Asthma: Outcome According To Persistence Or Cessation Of Exposure , Br J Ind Med , 1993 ; 50 : 60-64

Rosenberg N, Garnier R, Rousselin X et al , Clinical and socio-professional fate of isocyanate-induced asthma , Clin Allergy , 1987 ; 17 : 55-61

Tarlo SM, Banks D, Liss G et al , Outcome determinants for isocyanate induced occupational asthma among compensation claimants , Occup Environ Med , 1997 ; 54 : 756-761

Valentino M, Pizzichini MA, Monaco F et al , Latex-induced asthma in four healthcare workers in a regional hospital , Occup Med (London) , 1994 ; 44 : 161-164

Valentino M, Rapisarda V , Course of isocyanate-induced asthma in relation to exposure cessation: Longitudinal study of 50 subjects , G Ital Med Lav Ergon , 2002 ; 24 : 26-31

Vandenplas O, Delwiche JP Depelchin S et al , Latex Gloves With A Lower Protein Content Reduce Bronchial Reactions In Subjects With Occupational Asthma Caused By Latex , Am J Respir Crit Care Med , 1995 ; 151 : 887-891