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Subclinical Pneumocystis Pneumonitis FREE

WALTER H. SHELDON, M.D.
[+] Author Affiliations

Submitted for publication July 8, 1958.

Aided by Grant No. 71 from the Playtex Park Research Institute.


AMA Am J Dis Child. 1959;97(3):287-297. doi:10.1001/archpedi.1959.02070010289005.
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In Europe, Pneumocystis carinii or interstitial plasma-cell pneumonia is frequent; it affects chiefly premature or otherwise debilitated infants, and it occurs sometimes in small epidemics.1 The highest incidence of the infection is at the age of 4 weeks to 6 months. The mortality is high and is not influenced by therapy. The typical autopsy findings show an extensive pneumonia characterized by plasma-cell infiltration of the alveolar septa and a peculiar intraalveolar material with many minute organisms. These have been identified as P. carinii and are generally accepted as the causative agent, although they have not been isolated in culture. Unequivocal transsion of the infection to experimental animals has not been accomplished. There is much controversy regarding the taxonomic position of the organism, which some consider a protozoon, others, a fungus.

In North America, Pneumocystic pneumonia is thought to be a rare disorder and thus far only a few isolated

REFERENCES

Gajdusek, D. C.:  Pneumocystis Carinii: Etiologic Agent of Plasma Cell Pneumonia of Premature and Young Infants , Pediatrics 19:543, 1957;.
Danzier, G.; Thayer, W., and Barnett, R. N.:  Pneumocystis Carinii Pneumonia in an Infant , Am. J. Clin. Path. 26:787, 1956;.
Russell, H. T., and Nelson, B. M.:  Pneumocystis Pneumonitis in American Infants , Am. J. Clin. Path. 26:1334, 1956;.
Gagne, F., and Hould, F.:  Interstitial Plasma Cellular (Parasitic) Pneumonia in Infants , Canad. M. A. J. 74:620, 1956;.
Gerrard, J. W., and Moore, D. F.:  Interstitial Plasma Cellular Pneumonia Due to Pneumocystis Carinii , Canad. M. A. J. 76:299, 1957;.
Howard, R. M., and Sheldon, W. H.:  Pneumocystis Pneumonia , A. M. A. J. Dis. Child. 95: 18, 1958;.
Eberling, E. W., and Cohen, F.:  Pneumocystis Carinii Pneumonia , Pediatrics 21:345, 1958;.
Lunseth, J. H.; Kirmse, T. W.; Prezyna, A. P., and Gerth, R. E.:  Interstitial Plasma Cell Pneumonia , J. Pediat. 46:137, 1955;.
Donohue, W. L.:  Interstitial Plasma Cell Pneumonia , J. Lab. Invest. 5:97, 1956;.
Klein, H.:  Die interstitielle plasmacelluläre Pneumonie als Todesursache im Säuglings- und frühen Kindesalter , Deutsche Ztschr. ges. gericht. Med. 44:262, 1955;.
Bachmann, K. D.:  Plötzlicher Tod durch frühkindliche interstitielle plasmazelluläre Pneumonie , Deutsche Ztschr. ges. gericht. Med. 44:362, 1955;.
Jírovec, O., and Vaněk, J.:  Zur Morphologie der Pneumocystis carinii und zur Pathogenese der Pneumocystis-Pneumonie , Zentralbl. allg. Path. 92:424, 1954;.
Hamperl, H.:  Variants of Pneumocystis Pneumonia , J. Path. & Bact. 84:353, 1957;.
Hamperl, H.:  Über heilende und abortive Pneumocystis-Pneumonie , Arch. path. Anat. 330: 325, 1957;.
Liebow, A. A.: Personal communication to the author.
Sheldon, W. H.: Unpublished data.
Sedlmeier, H., and Dahme, E.:  Pneumocystis Carinii: Infektion beim Hund , Zentralbl. allg. Path. 93:150, 1955;.
Van der Meer, G., and Brug, S. L.:  Infection à Pneumocystis chez l'homme et chez les animaux , Ann. Soc. belge de med. trop. 22:301, 1942;.
Weisse, K., and Wedler, E.:  Über das Vorkommen der sogenannten "Pneumocystis Carinii," Klin. Wchnschr. 32:270, 1954;.
Le Tan Vinh:  La pneumonie à Pneumocystis: Ses Rapports avec la pneumonie interstitielle à plasmocytes , Arch. franç. pédiat. 11:1035, 1954;.
Hamperl, H.:  Pneumocystis Infection and Cytomegaly of the Lungs in the Newborn and Adult , Am. J. Path. 32:1, 1956;.
Wyatt, J. P.; Simon, T.; Trumbull, M. L., and Evans, M.:  Cytomegalic Inclusion Pneumonitis in the Adult , Am. J. Clin. Path. 23:353, 1953;.
Orlandini, T. O.; Sass-Kortsak, A., and Ebbs, J. H.:  Serum Gamma Globulin Levels in Normal Infants , Pediatrics 16:575, 1955;.
Hutchinson, J. H.:  Congenital Agammaglobulinæmia , Lancet 2:844; 1196, 1955;.
Bird, T., and Thompson, J.:  "Pneumocystis Carinii" Pneumonia , Lancet 1:59, 1957;.
Good, R. A., and Zak, S. J.:  Disturbances in Gamma Globulin Synthesis as "Experiments of Nature," Pediatrics 18:109, 1956;.

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Country-Specific Mortality and Growth Failure in Infancy and Yound Children and Association With Material Stature

Use interactive graphics and maps to view and sort country-specific infant and early dhildhood mortality and growth failure data and their association with maternal

References

Gajdusek, D. C.:  Pneumocystis Carinii: Etiologic Agent of Plasma Cell Pneumonia of Premature and Young Infants , Pediatrics 19:543, 1957;.
Danzier, G.; Thayer, W., and Barnett, R. N.:  Pneumocystis Carinii Pneumonia in an Infant , Am. J. Clin. Path. 26:787, 1956;.
Russell, H. T., and Nelson, B. M.:  Pneumocystis Pneumonitis in American Infants , Am. J. Clin. Path. 26:1334, 1956;.
Gagne, F., and Hould, F.:  Interstitial Plasma Cellular (Parasitic) Pneumonia in Infants , Canad. M. A. J. 74:620, 1956;.
Gerrard, J. W., and Moore, D. F.:  Interstitial Plasma Cellular Pneumonia Due to Pneumocystis Carinii , Canad. M. A. J. 76:299, 1957;.
Howard, R. M., and Sheldon, W. H.:  Pneumocystis Pneumonia , A. M. A. J. Dis. Child. 95: 18, 1958;.
Eberling, E. W., and Cohen, F.:  Pneumocystis Carinii Pneumonia , Pediatrics 21:345, 1958;.
Lunseth, J. H.; Kirmse, T. W.; Prezyna, A. P., and Gerth, R. E.:  Interstitial Plasma Cell Pneumonia , J. Pediat. 46:137, 1955;.
Donohue, W. L.:  Interstitial Plasma Cell Pneumonia , J. Lab. Invest. 5:97, 1956;.
Klein, H.:  Die interstitielle plasmacelluläre Pneumonie als Todesursache im Säuglings- und frühen Kindesalter , Deutsche Ztschr. ges. gericht. Med. 44:262, 1955;.
Bachmann, K. D.:  Plötzlicher Tod durch frühkindliche interstitielle plasmazelluläre Pneumonie , Deutsche Ztschr. ges. gericht. Med. 44:362, 1955;.
Jírovec, O., and Vaněk, J.:  Zur Morphologie der Pneumocystis carinii und zur Pathogenese der Pneumocystis-Pneumonie , Zentralbl. allg. Path. 92:424, 1954;.
Hamperl, H.:  Variants of Pneumocystis Pneumonia , J. Path. & Bact. 84:353, 1957;.
Hamperl, H.:  Über heilende und abortive Pneumocystis-Pneumonie , Arch. path. Anat. 330: 325, 1957;.
Liebow, A. A.: Personal communication to the author.
Sheldon, W. H.: Unpublished data.
Sedlmeier, H., and Dahme, E.:  Pneumocystis Carinii: Infektion beim Hund , Zentralbl. allg. Path. 93:150, 1955;.
Van der Meer, G., and Brug, S. L.:  Infection à Pneumocystis chez l'homme et chez les animaux , Ann. Soc. belge de med. trop. 22:301, 1942;.
Weisse, K., and Wedler, E.:  Über das Vorkommen der sogenannten "Pneumocystis Carinii," Klin. Wchnschr. 32:270, 1954;.
Le Tan Vinh:  La pneumonie à Pneumocystis: Ses Rapports avec la pneumonie interstitielle à plasmocytes , Arch. franç. pédiat. 11:1035, 1954;.
Hamperl, H.:  Pneumocystis Infection and Cytomegaly of the Lungs in the Newborn and Adult , Am. J. Path. 32:1, 1956;.
Wyatt, J. P.; Simon, T.; Trumbull, M. L., and Evans, M.:  Cytomegalic Inclusion Pneumonitis in the Adult , Am. J. Clin. Path. 23:353, 1953;.
Orlandini, T. O.; Sass-Kortsak, A., and Ebbs, J. H.:  Serum Gamma Globulin Levels in Normal Infants , Pediatrics 16:575, 1955;.
Hutchinson, J. H.:  Congenital Agammaglobulinæmia , Lancet 2:844; 1196, 1955;.
Bird, T., and Thompson, J.:  "Pneumocystis Carinii" Pneumonia , Lancet 1:59, 1957;.
Good, R. A., and Zak, S. J.:  Disturbances in Gamma Globulin Synthesis as "Experiments of Nature," Pediatrics 18:109, 1956;.

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