Optical technologies for healthcare  

 

 

1. J. Spigulis, D. Pfafrods, M. Stafeckis. Optical fiber diffusive tip designs for medical laser-lightguide delivery systems. -  SPIE Proc. Vol. 2328, 1994 ("Biomedical Optics Europe '94", Lille, France), p. 69-75.

 

2. J. Spigulis, J. Lazdins, D. Pfafrods, M. Stafeckis. Side-emitting optical fibers for clinical applications. - Med. Biol. Eng. Comput., 1996, v. 34, Suppl. 1, Pt. 1. p. 285-286.

 

3. J. Spigulis, D. Pfafrods. Clinical potential of the side-glowing optical fibers. - SPIE Proc. Vol. 2977 (Biomedical Optics Symposium BIOS ’97, San Jose, USA), 1997, p. 84-87.

 

4. J. Spigulis. MSc course programme on Biomedical Optics. - SPIE Proc. Vol. 3190, 1997 (Education and Training in Optics, Delft, NL), p. 342-345.

 

5. A. Skudra, J. Spigulis, D. Pfafrods, M. Stafeckis. Medical laser radiation delivery via modified PCS optical fibers. - Digest of ”Modern Problems of Laser Physics”, Novosibirsk (Rus.), 1997 , p. PII25 - PII26.

 

6.  U. Rubins, J. Spigulis. Optical heartbeat sensor. – Proc. 6th Balt. Electr. Conf. BEC ’98, TTU, Tallinn, 1998, p. 53-56.

 

7. J. Spîgulis, U. Rubîns. Optiskie pulsa mçrîjumi. – LFB 4. zin. konf. mater., DPU, Daugavpils, 1998, 15. lpp.

(Optical pulse measurements - Abstr. 4th Conf. Latv. Phys. Soc., Daugavpils)

 

8. J. Spigulis, U. Rubins. Photoplethysmographic sensor with smoothed output signals. - SPIE Proc. Vol, 3570 (Biomedical Optics Europe, Stockholm, SE), 1998, p. 195-199.

 

9. J. Spigulis. Master’s level education in Biomedical Optics: four-year experience at University of Latvia. - SPIE Proc. Vol. 3831 (Education and Training in Optics and Photonics, Cancun, MX), 1999, p. 189-192.

 

10. G. Venckus, J. Spigulis. Frequency filtering effects on the single-period photoplethysmography signals. - Med. Biol. Eng. Comput., v. 37, Suppl. 1, pp. 218-219, 1999.

 

11. J. Spigulis, G. Venckus, “Single-period photoplethysmography: a potential tool for noninvasive cardiovascular diagnostics”, Springer Series “Optics for Life Sciences” OFLS-VI, Berlin (in press).

 

12. M. Apine, J. Spigulis, P. A. Oberg,  Microcirculation in masseteric muscles at permanent muscular facial pain in krandiomandibular dysfunction, Med. Biol. Eng. & Comput., v. 37, 1999, p. 327.

 

13. Y. Dektyar, J. Spigulis, et al. Joint Baltic Biomedical Engineering and Physics courses. – Med. Biol. Eng. Comput., 1999, v. 37, Suppl. 1, p. 144-145.

 

14. J. Spigulis, G. Venckus, M. Ozols. Optical sensing for early cardio-vascular diagnostics. – SPIE Proc. Vol. 3911 (Biomedical Optics Symposium BIOS ‘2000, San Jose, USA), 2000, p. 27-31.

 

15. J. Spigulis, R. Cimdins, L. Berzina. Potential of fibre-optical monitoring for implant biocompatibility studies. – Proc. Int. Conference „Biomedical Engineering”, p. 137-139, Kaunas, 2001.

 

16. M. Ozols, J. Spigulis. Acquisition of biosignals using the PC sound card. - Proc. Int. Conference „Biomedical Engineering”, p. 24-27, Kaunas, 2001.

 

17. M. Auzinsh, Y. Dekhtyar, J. Spigulis et al. Baltic MSc courses on medical physics and biomedical engineering. – Proc. Int. Conf. Medical Physics and Engineering in Health Care, Poznan (PL), 2001, p. 37. 

 

18. J. Spigulis. Teaching of laser-medical topics: Latvian experience. – SPIE Proc. Vol. 4903 (Laser Florence 2001: A Window on the Laser Medicine World, Florence, IT), 2002, p. 197-201.

 

19. J. Spigulis, I. Kukulis, E. Fridenberga, G. Venckus. Potential of advanced photoplethysmography sensing for non-invasive vascular diagnostics and early screening – SPIE Proc., Vol. 4625 (Biomedical Optics Symposium BIOS ’02, San Jose, USA), 2002, p. 48-53.

 

20. A. Derjabo, J. Kapostins, J. Spigulis et al. Photodynamic therapy of basal cell carcinoma with multi-fibre contact or surface illumination light delivery – first Latvian clinical experience. – Abstr. 9th Int. Conf. LALS 2002, Vilnius, 2002, p. 41.

 

21. J. Spigulis, M. Ozols, R. Erts, K. Prieditis. A portable device for optical assessment of the cardiovascular condition. - SPIE Proc. Vol.    (Advanced Optical Materials and Devices - 3, Riga), 2002 (in press).

 

22. J. Spigulis, R. Erts, M. Ozols, K. Prieditis. Portable two-channel PPG device for cardio-vascular assessment. – Abstr. 3rd Europ. Symp. Biomed. Eng. Med. Phys., Patras (GR), 2002, p. 11.    

 

23. J. Spigulis, M. Ozols, R. Erts, K. Prieditis. A portable photoplethysmography device for cardio-vascular assessment. – Abstr. Int. Conf. Biomed. Eng. Microtechn., RTU, Riga, 2002, p. 15.

 

24. R. Erts, K. Prieditis, J. Spigulis. The studies of PPG bio-signal shapes, Abstr. 3rd Int. Conf. “Problems of Optics and High Technology Material Science”, T. Shevchenko KNU, Kyiv, 2002, p. 204.

 

25. J. Spigulis, R. Erts, U. Rubins. Micro-circulation of skin blood: optical monitoring by advanced photoplethysmography techniques. – SPIE Proc. Vol. 5119 (Bioengineered and Bioinspired Systems, Maspalomas, ES), 2003, pp. 219-225.

 

26. J. Spigulis, R. Erts, V. Bernhards. Optics for fitness assessment: potential of two-channel photoplethysmography techniques. – Abstr. Int. Conf. “Northern Optics 2003”, Espoo, FI, 2003, p. 67.

 

27. J. Spigulis, R. Erts, M. Ozols. A portable two-channel PPG cardiovascular sensor device. - SPIE Proc., Vol. 5138 (Photon Migration and Diffuse-Light Imaging, Munich, DE), 2003 pp. 65-71.

 

28. J. Spigulis, R. Erts, M. Ozols. A portable two-channel skin blood pulsation sensor. – Abstr. Int. Conf. ISOEN’03, Riga, 2003, pp. 167-168.

 

29. J. Spigulis, R. Erts, M. Ozols. Optical multi-channel monitoring of skin blood pulsations for cardiovascular assessment. – SPIE Proc., Vol. 5318 (Advanced Biomedical and Clinical Diagnostic Systems, BIOS’04, San Jose, USA), 2004, pp. 133-139.

 

30. M. Soto Thompson, T. Johansson, N. Bendsoe, A. Derjabo, J. Kapostinsh, S. Palsson, U. Stenram, S. Andesson-Engels, J. Spigulis, S. Svanberg, K. Svanberg. Photodynamic therapy of nodural Basal Cell Carcinoma with multi-fibre contact light delivery. – Experimental Pathology and Toxicology, 2005 – in press.

 

31. J. Spigulis, R. Erts, I. Kukulis, M. Ozols, K. Prieditis. Optical multi-channel sensing of skin blood pulsations. Proc. SPIE, Vol. 5459 (Optical Sensing, Photonics Europe, Strasbourg, FR), 2004, pp. 46-53.

 

32. J. Spigulis. Optical non-invasive monitoring of skin blood pulsations. Proc. SPIE (Avdanced Optical Materials and Devices – 4, Tartu, EE), 2005, pp. 1R1-1R11.

 

33. R. Erts, I. Kukulis, J. Spigulis. Photonic vascular diagnostics by four-channel photoplethysmography. Proc. SPIE (Avdanced Optical Materials and Devices – 4, Tartu, EE), 2005, pp. 1L1-1L9.

 

34. R. Erts, J. Spigulis, I. Kukulis, M. Ozols. Multi-channel photoplethysmography biosensor. Abstr. 5th Int. Conf. “Biological Physics”, Gothenburg, Sweden, 2004, p. 63.

 

35. J. Spigulis. Optical non-invasive monitoring of skin blood pulsations. Appl. Opt., Vol. 44, No. 10, 2005, pp. 1850-1857.

 

36. J. Spigulis, L. Gailite, I. Kuzmina, A. Lihachev. Advanced fibre-optic spectrometry technique for skin reflectance and fluorescence diagnostics. Abstr. 13th Nordic-Baltic Conf. on Biomed. Eng. Med. Phys., Umea (SE), 2005. pp. 178-179.

 

37. I. Kuzmina, L. Gailite, A. Lihachev, J. Spigulis. Diffuse reflectance spectroscopy of skin pathologies. Abstr. 13th Nordic-Baltic Conf. on Biomed. Eng. Med. Phys, Umea (SE), 2005, pp. 184-185.

 

38. U. Rubins, J. Spigulis. Modelling of human arterial flow dynamics: Matlab simulations. Abstr. 13th Nordic-Baltic Conf. on Biomed. Eng. Med. Phys, Umea (SE), 2005, pp

 

39. R. Erts, I. Kukulis, J. Spigulis, L. Kere. Dual channel photoplethysmography studies of cardio-vascular response to the body position changes, Proc. SPIE v. 5859 (European Biomedical Optics Symposium EBIOS’05, Munich, DE), 2005 (in press).

 

40. R. Erts, J. Spigulis, I. Kukulis, M. Ozols. Bilateral photoplethysmography studies of the leg arterial stenosis. Physiological Measurement, v. 26, 2005, pp. 865-874.

 

41. R. Erts, J. Spigulis, M. Ozols. Optical systems for non-invasive cardiovascular biosensing. Proc. SPIE v. 5908 (Optical Information Systems, San Diego, CA), 2005 (in press).

 

42. A. Derjabo, J. Kâpostiňđ, A. Ďihačovs, J. Spîgulis. Lâzera fotodinamiskâ terapija – efektîvs ierocis cîňâ ar âdas vçzi. Latvijas Ârsts, 9/2005, 20.-21. lpp.

 

43. J. Spigulis, A. Lihachev. Skin autofluorescence fading at 405 nm and 532 nm laser excitation. Techn. Digest, OSA 2006 Biomedical Optics conf., Fort Lauderdale, USA, 2006 (submitted).

 

44. J. Spigulis, L. Gailite. Multi-spectral reflection photoplethysmography: potential for skin microcirculation assessment. Techn. Digest, OSA 2006 Biomedical Optics conf., Fort Lauderdale, USA, 2006 (submitted).