DETERMINATION OF INTRACARDIAC SHUNTS IN PATIENTS WITH CONGENITAL HEART DISEASE BY MEANS OF ANALOG SIMULATION OF RADIOCARDIOGRAM

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概要

• 論文の詳細を見る

• A new method for determining intracardiac shunts in patients with congenital heart disease by means of analog computer simulation of radiocardiogram, precordial radioisotope-dilution curve, is described. The whole circulatory system was represented by a closed loop of four compartments; that is, the right heart, lung, left heart and body, which were approximated by first order systems with or withour transport lags. Mathematical equations describing the transportation processes of the injected radioisotope in these four compartments, taking intracardiac shunts into consideration, were given and an analog simulation circuit of radiocardiogram was composed. The values of pulmonary blood flow, systemic blood flow and %L-R shunt in 28 patients with congenital heart disease (ASD : 21, VSD : 3, PDA : 4) obtained by the analog computer simulation of radiocardiogram were in good agreement with those obtained by the Fick method, the correlation coefficient being 0.922, 0.814 and 0.942, respectively. Pulmonary blood volume in these patients was shown to increase in proportion to the pulmonary blood flow (r=0.749, N=87, p<0.001). Considering the safety and simplicity of the technique, this method is advantageous in quantitative diagnosis of congenital heart disease.

• 社団法人日本循環器学会の論文
• 1973-04-20

著者

• Hara Akira

  First Department Of Internal Medicine. Fukui Medical School

• Hara A

  First Department Of Internal Medicine. Fukui Medical School

• Takayasu Masao

  Cardiovascular(CV) Reseach and Training Center of Alabama Univ. School of Med.

• TAKAYASU MASAO

  The National Kyoto Hosp

• OGINO KOICHI

  National Cardiovascular Center, Research Institute

• Kuwahara Michiyoshi

  Automation Research Laboratory, Kyoto Univ.

• Hirakawa Akina

  From The Third Division Department Of Internal Medicine Kyoto University

• Hara A

  Department Of Applied Biological Chemistry Faculty Of Agriculture Meijo University

• Hara Akira

  Shonan Institute Of Technology

• Ogino Koichi

  The 3rd Division Department Of Internal Medicine School Of Medicine Kyoto University

• Takayasu Masao

  The 3rd Medical Clinic Faculty Of Medicine Kyoto University

• Takayasu Masao

  3rd Div. Dept Of Intern. Med. & 2nd Div. Dept Of Surg. Kyoto Univ. Faculty Of Med.

• Saito Muneyasu

  3rd Medical Clinic, Faculty of Medicine, Kyoto University

• Motohara Seiichiro

  3rd Medical Clinic, Faculty of Medicine, Kyoto University

• Hirakawa Akina

  3rd Medical Clinic, Faculty of Medicine, Kyoto University

• OGINO KOICHI

  3rd Medical Clinic, Faculty of Medicine, Kyoto University

• TAKAYASU MASAO

  3rd Medical Clinic, Faculty of Medicine, Kyoto University

• Saito Muneyasu

  National Cardiovascular Center Department Of Surgery Medicine

• Takayasu Masao

  3rd Dept. Of Intern. Med. Kyoto Univ.

• Ogino Koichi

  Third Division Department Of Internal Medicine

• Ogino Koichi

  3rd Dept. Of Intern. Med. Kyoto Univ.

• Ogino Koichi

  3rd Division Dept. Of Intern. Med. Kyoto Univ. Sch. Of Med.

• Saito Muneyasu

  The 3rd Div. Dept. Of Intern. Med. Faculty Of Med. Kyoto Univ.

• Saito Muneyasu

  3rd Div. Dept Of Intern Med. Kyoto Univ

• Hara Akira

  From The Third Division Department Of Internal Medicine Kyoto University

• Ogino Koichi

  The 3rd Medical Clinic Kyoto University Hospital Kyoto

• Ogino Koichi

  Maekatva Clinic Kyoto University Hospital

• Motohara Seiichiro

  3rd Div. Dept of Intern Med. Kyoto Univ

• Takayasu Masao

  Department Of Internal. Medicine Kyoto University School Of Medicine

• Hirakawa Akina

  3rd Medical Clinic Faculty Of Medicine Kyoto University

• Takayasu Masao

  Third Dept. Of Intern. Med. Facul. Of Med. Univ. Of Kyoto

• Motomura Shunji

  Department Of Cardiovascular Medicine Shiga Medical Center For Adults

• Kuwahara Michiyoshi

  Automation Research Laboratory Kyoto Univ.

• Takayasu Masao

  3rd Div. Dept. Of Intern. Med. Kyoto Univ. Hosp.

• Motohara Seiichiro

  Department Od Cardiology Shiga Medical Center For Adults

• Takayasu Masao

  3rd Medical Clinic Faculty Of Medicine Kyoto University

• Takayasu Masao

  3rd Dept. Of Intern. Med. Facul Of Med. Kyoto Univ.

• Motohara Seiichiro

  3rd Medical Clinic Faculty Of Medicine Kyoto University

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