Comparison of multipole and mean value methods to quantify dust in human lungs: Simulating the magnetopneumography procedure

Medical and Biological Engineering and Computing

Volumn 36, Issue 4, 1998, Pages 452-460

  Forsman, M ^a,b   Hogstedt P ^a,b  

^a CHALMERS UNIVERSITY OF TECHNOLOGY   (Sweden)

^b Lindholmen Science Park   (Sweden)

Author keywords

Inhaled particles; Inverse solution; Magnetopneumography; Multipole analysis; Occupational health; Pulmonary clearance

Indexed keywords

DUST; HEALTH RISKS; MAGNETIC VARIABLES MEASUREMENT; OCCUPATIONAL RISKS; RESPIRATORY MECHANICS; SIGNAL TO NOISE RATIO;

MAGNETOPNEUMOGRAPHY;

NONINVASIVE MEDICAL PROCEDURES;

ADULT; ARTICLE; CALIBRATION; CLINICAL ARTICLE; CONTROLLED STUDY; DUST EXPOSURE; HUMAN; INDUSTRIAL HYGIENE; INHALATION; MAGNETIC FIELD; MATHEMATICAL ANALYSIS; OCCUPATIONAL HEALTH; PNEUMOGRAPHY; SIGNAL NOISE RATIO; SURFACE PROPERTY;

DUST; FOREIGN BODIES; HUMANS; LUNG; MAGNETICS; MODELS, BIOLOGICAL;

EID: 0032128316     PISSN: 01400118     EISSN: None     Source Type: Journal    
DOI: 10.1007/BF02523213     Document Type: Article

References (28)

1. AITTONIEMI, K., KALLIOMÄKI, K., KATILA, T., and VARPULA, T. (1981): 'Practical magnetopneumography using fluxgate magnetometers,' in ERNÉ, S. N., HAHLBOHM, H.-D., and LÜBBIG, H. (Eds.): 'Biomagnetism' (Walter de Gruyter, Berlin) pp. 475-484
2. BRAUER, F., and STROINK, G. (1985): 'Multipole analysis in magnetopneumography: A model study,' IEEE Trans., BME-32, pp. 386-391
3. COHEN, D., ARAI, S. F. and BRAIN, J. B. (1979): 'Smoking impairs long-term dust clearance from the lung,' Science, 204, pp. 514-517
4. FREEDMAN, A. P., ROBINSON, S. E., and GREEN, F. H. Y. (1982): 'Magnetopneumography as a tool for the study of dust retention in the lungs' Ann. Occup. Hyg., 26. (suppl. 1), pp. 319-336
5. FREEDMAN, A. P., ROBINSON, S. E. and STREET, M. R. (1988): 'Magnetopneumographic study of human alveolar clearance in health and disease.' Ann. Occup. Hyg., 32. (suppl. 1), pp. 809-820
6. LEGROS, V., LEMAIGRE, D., SUON, C., POZZI, J. P., and LIOT, F. (1989): 'Magnetopneumography: A general review,' Ear. Respir. J., 2, pp. 149-159
7. HOBSON, E. W. (1955): 'The theory of spherical and ellipsoidal harmonics." (Chelsea, New York)
8. H., P., KADEFORS, R., and NÄSLUND, P.-E. (1981): 'Measurement of retained ferromagnetic lung contamination using magnetopulmography.' Proc. 5th Nordic Meeting on Med. & Biol. Eng., June, Linökping, Sweden, pp. 254-256
9. HÖGSTEDT, P., KADEFORS, R., and NÄSLUND, P. E. (1987): 'Magnetopneumography; Methodological aspects of non-invasive measurement of iron oxide retained in lung.' Technical Report 1:87. ISBN 91-7546-048-3, Research Laboratory of Medical Electronics. Chalmers University of Technology. Sweden
10. HÖGSTEDT, P. (1992): 'An interactive computer program for simulation of magnetostatic problems with special references to magnetopneumography.' Technical Report 1:92, ISBN 91-7546-062-9, Research Laboratory of Medical Electronics, Chalmers University of Technology, Sweden
11. HUVINEN, M., OKSANEN, L., KALLIOMÄKI, P.-L., and MOILANEN, M. (1997): "Estimation of individual dust exposure by magnetopneumography in stainless steel production,' Sci. Total Environ., 199, pp. 133-139
12. KALLIOMÄKI, P.-L. (1977): 'Measurement of magnetic lung contamination in vivo: Evaluation of the method and its application to arc welders.' Thesis, Inst. Of Occ. Health. Helsinki, Finland
13. KALLIOMÄKI, P.-L., ALANKO, K., KORHONEN, O., MATTSSON, T., VAARANEN, V., and KOPONEN, M. (1978): 'Amount and distribution of welding fume lung contaminants among arc welders,' Scand J. Work Environ. & Health, 4, pp. 122-130
14. KALLIOMÄKI, K., AITTONIEMI, K., KALLIOMÄKI, P.-L. and MOILANEN, M. (1981): 'Measurements of lung retained contaminants in vivo among workers exposed to metal aerosols,' Am. Ind. Hyg. Assoc. J., 42, pp. 234-238
15. KALLIOMÄKI, P.-L., AITTONIEMI, K. and KALLIOMÄKI, K. (1983) Occupational health applications and magnetopneumography,' in WILLIAMSON, S. J., ROMANI, G.-L., KAUFMAN, L. and MODENA, I. (Eds.): 'Biomagnetism: an interdisciplinary approach'. (Plenum Press, New York) pp. 559-568
16. KALLIOMÄKI, K. (1998): 'Magnetopneumography,' in ANDRÄ, W. and NOVAK, H. (Eds.): 'Magnetism in medicine' (Wiley-VCH Verlag Berlin GmbH, Berlin) pp. 446-453
17. KOTANI, M., COHEN, D., and CUFFIN, B. N. (1978): 'The normal-to-skin representation and the standard lung,' in 'Report of the low-field group: the magnetic field of the lung.' MIT/FBNML-78/1. National Technical Information Service, Springfield. VA, USA, pp. 35-66
18. KOTANI, M. and CHIYOTANI, K. (1985): 'A new system for measurement of weak magnetic fields emanating from the human body: Development and clinical applications,' Precision Machinery, 1, pp. 57-94
19. LITTLE, J., and SHURE, L. (1988): 'Matlab, Signal Processing Tool-box. Users Guide' (The Mathworks Inc., South Natick, MA, USA)
20. MORSE, P. M., and FESHBACK, H. (1953): 'Methods of theoretical physics' Part 2. (McGraw-Hill, New York) p. 1276
21. RABINER, L. R., and GOLD, B. (1975): 'Theory and application of signal processing' (Prentice-Hall, New Jersey), pp. 205-209
22. RALSTON, M. L., and JENNRICH, R. I. (1978): 'DUD, A derivative-free algorithm for nonlinear least squares,' Technometrics, 20, pp. 7-14
23. SAS INSTITUTE Inc. (1989): 'SAS/STAT User's guide. Version 6, 4th edn., vol. 2' (ISBN 951-763-107-3) pp. 1135-1194
24. STAHLHOFEN, W., and MÖLLER, W. (1993): 'Behavior of magnetic micro-particles in the human lung,' Radiat. Environ. Biophys., 32, pp. 221-238
25. STROINK, G., DAMN, D., and BRAUER, F. (1982): 'A lung model to study the magnetic field of lungs of miners,' IEEE Trans. Mag., MAG-18, pp. 1791-1793
26. STROINK, G. (1985): 'Magnetic measurements to determine dust loads and clearance rates in industrial workers and miners,' Med. Biol. Eng. Comput., 23, Suppl., (1) pp. 44-49
27. WIKSWO, J. P. Jr, and SWINNEY, K. R. (1984): 'A comparison of scalar multipole expansions,' J. Appl. Phys., 11, p. 3039-3049
28. WIKSWO, J. P. Jr, and SWINNEY, K. R. (1985): 'Scalar multipole expansions and their dipole equivalents.' J. Appl. Phys., 57, pp. 4301-4308