What is the prognosis of occupational asthma?

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2+

The symptoms and functional impairment of occupational asthma caused by various agents may persist for many years after avoidance of further exposure to the causative agent.

Evidence

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Barker RD, Harris JM, Welch JA et al , Occupational asthma caused by tetrachlorophthalic anhydride: a 12-year follow-up , J Allergy Clin Immunol , 1998 ; 101 : 717-719

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

ChanYeung M, Maclean L, Paggiaro PL , Follow-up study of 232 patients with occupational asthma caused by western red cedar (Thuja plicata) , J Allergy Clin Immunol , 1987 ; 79 : 792-796

Hudson P, Cartier A, Pineau L, Lafrance M, St Aubin JJ, Dubois JV, Malo JL , Follow-up of occupational asthma caused by crab and various agents , J Allergy Clin Immunol , 1985 ; 76 : 682-688

Lemiere C, Cartier A, Dolovich J et al , Outcome of specific bronchial responsiveness to occupational agents after removal from exposure , Am J Respir Crit Care Med , 1996 ; 154 : 329-333

Lozewicz S, Assoufi BK, Hawkins R et al , Outcome of asthma induced by isocyanates , Br J Dis Chest , 1987 ; 1 : 14-22

Mapp CE, Beghe B, Balboni A et al , Persistent asthma due to isocyanates : A follow-up study of subjects with occupational asthma due to toluene di-isocyanate (TDI) , Am Rev Respir Dis , 1988 ; 137 : 1326-1329

Marabini A, Brugnami G, Curradi F et al , Response to bronchoprovocation test and outcome of occupational asthma. A follow-up study of subjects with TDI asthma , Med del Lavoro , 1994 ; 85 : 134-141

Merget R, Reineke M, Rueckmann A et al , Nonspecific and specific bronchial responsiveness in occupational asthma caused by platinum salts after allergen avoidance , Am J Respir Crit Care Med , 1994 ; 150 : 1146-1149

Moller DR, Brooks SM, McKay RT, Cassedy K, Kopp S, Bernstein IL , Chronic asthma due to toluene di-isocyanate , Chest , 1986 ; 90 : 494-499

Munoz X, Cruz MJ, Orriols R et al , Occupational asthma due to persulfate salts: diagnosis and follow-up , Chest , 2003 ; 123 : 124-129

O'Donnell TV, Welford B, Coleman ED , Potroom asthma: New Zealand experience and follow-up , Am J Ind Med , 1989 ; 15 : 43-49

Padoan M, Pozzato V, Simoni M et al , Long-term follow-up of toluene di-isocyanate-induced asthma , Eur Respir J , 2003 ; 21 : 637-640

Paggiaro PL, Loi AM, Rossi O et al , Follow-up study of patients with respiratory disease due to toluene di-isocyanate (TDI) , Clin Allergy , 1984 ; 14 : 463-469

Paggiaro PL, Vagaggini B, Dente FL et al , Bronchial hyper-responsiveness and toluene di-isocyanate. Long-term change in sensitized asthmatic subjects , Chest , 1993 ; 103 : 1123-1128

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, Liss G, Corey P et al , A workers' compensation claim population for occupational asthma. Comparison of subgroups , Chest , 1995 ; 107 : 634-641

Venables KM, Davison AG, NewmanTaylor AJ , Consequences of occupational asthma , Respir Med , 1989 ; 83 : 437-440

Venables KM, Topping MD, Nunn AJ, Howe W, Newman Taylor AJ , Immunologic and functional consequences of chemical (tetrachlorophthalic anhydride)-induced asthma after four years of avoidance of exposure , J Allergy Clin Immunol , 1987 ; 80 : 212-218