| Project/Area Number |
14570844
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| Research Category |
Grant-in-Aid for Scientific Research (C)
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| Allocation Type | Single-year Grants |
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| Section | 一般 |
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| Research Field |
Radiation science
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| Research Institution | Kanazawa University |
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Principal Investigator |
SANADA Shigeru Kanazawa University, Graduate School of Health Sciences, Professor, 医学系研究科, 教授 (50020029)
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| Co-Investigator(Kenkyū-buntansha) |
KOBAYASHI Takeshi University Hospital, Assistant professor, 医学部附属病院, 講師 (50186748)
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| Project Period (FY) |
2002 – 2004
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| Project Status |
Completed (Fiscal Year 2004)
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| Budget Amount *help |
¥3,400,000 (Direct Cost: ¥3,400,000)
Fiscal Year 2004: ¥800,000 (Direct Cost: ¥800,000)
Fiscal Year 2003: ¥1,200,000 (Direct Cost: ¥1,200,000)
Fiscal Year 2002: ¥1,400,000 (Direct Cost: ¥1,400,000)
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| Keywords | respiratory kinetics / radiography / X-ray Flat panel detector / screening examination |
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| Research Abstract |
We are developing a dynamic screening radiography, which provide the kinetic information for lung respiratory using flat-panel detector (FPD) system.
We modified the FPD system (CANON CXDI-22) to take the sequential images for a short time (10 seconds, 3 frames/sec). The sequential chest radiographs from full inspiration to expiration were taken and analyzed the diaphragm movements and the density changes at local lung area to detect respiratory anomalies objectively.
Our method of analysis was used for six healthy volunteers and one emphysema patient. This method derived some respiratory functions such as regional air pass and lung structure movement, and suggested that degree of chronic obstructive pulmonary diseases and interstitial pneumonia could be evaluated quantitatively. The results represent the initial stage in the development of a method that may constitute a new method for diagnosing certain pulmonary diseases, such as chronic obstructive pulmonary disease, fibroid lung, and pneumonia. A clinical evaluation of our method is now in progress.
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