1.Incompatibility of water soluble contrast media and intravascular pharmacologic agents: experimental study.
Ho Kyu LEE ; Seung Hyup KIM ; Sung Jin KIM ; Young Suk LEE ; Chu Wan KIM ; Man Chung HAN
Journal of the Korean Radiological Society 1991;27(2):176-182
No abstract available.
Contrast Media*
2.An experimental study on radiological examination of obstructed small bowel with various contrast media.
Yong LEE ; Sung Jin KIM ; Moon Hee HAN ; Jae Hyung PARK
Journal of the Korean Radiological Society 1991;27(2):169-175
No abstract available.
Contrast Media*
3.Evaluation of clot formation in blood-contrast agent mixture: experimental study on ionic/nonionic contrast agents and plastic/ glass syringes.
Hyung Jin SHIM ; Jong Beum LEE ; Yong Chul LEE ; Kwan Seh LEE ; Kun Sang KIM
Journal of the Korean Radiological Society 1991;27(1):27-32
No abstract available.
Contrast Media*
;
Glass*
;
Syringes*
4.Quantification of Gadolinium Concentration Using GRE and UTE Sequences.
So Hee PARK ; Yoonho NAM ; Hyun Seok CHOI ; Seung Tae WOO
Investigative Magnetic Resonance Imaging 2017;21(3):171-176
PURPOSE: To compare different MR sequences for quantification of gadolinium concentration. MATERIALS AND METHODS: Gadolinium contrast agents were diluted into 36 different concentrations. They were scanned using gradient echo (GRE) and ultrashort echo time (UTE) and R1, R2* and phase values were estimated from collected data. For analysis, ROI masks were made for each concentration and then ROI value was measured by mean and standard deviation from the estimated quantitative maps. Correlation analysis was performed and correlation coefficient was calculated. RESULTS: Using GRE sequence, R1 showed a strong linear correlation at concentrations of 10 mM or less, and R2* showed a strong linear correlation between 10 to 100 mM. The phase of GRE generally exhibited a negative linear relationship for concentrations of 100 mM or less. In the case of UTE, the phase had a strong negative linear relationship at concentrations 100 mM or above. CONCLUSION: R1, which was calculated by conventional GRE, showed a high performance of quantification for lower concentrations, with a correlation coefficient of 0.966 (10 mM or less). R2* showed stronger potential for higher concentrations with a correlation coefficient of 0.984 (10 to 100 mM), and UTE phase showed potential for even higher concentrations with a correlation coefficient of 0.992 (100 mM or above).
Contrast Media
;
Gadolinium*
;
Masks
5.Hypersensitivity reactions to radiocontrast media.
Allergy, Asthma & Respiratory Disease 2014;2(5):315-316
No abstract available.
Contrast Media*
;
Hypersensitivity*
6.A Case of Thoracic Disc Herniation Treated by Transthoracic Transpleural Approach.
Myung Sik KIM ; Il Woo LEE ; Tae Hoon JO ; Jin Un SONG ; Chi Kyung KIM
Journal of Korean Neurosurgical Society 1987;16(1):297-303
Thoracic disc herniation is uncommon and only represents 0.25% to 0.75% of all symptomatic disc lesions. The difficulty in diagnosis has been the one of the major problems in the treatment of thoracic disc herniation. But at now, the use of computed tomography with or without water soluble contrast media makes the diagnosis more acurate. Recently, we diagnosed a case of T4, T5 disc herniation by computed tomography with iopamidol. Operation by transthoracic, transpleural approach was done with microsurgical technique, and the result was good. The case is reviewed and other surgical techniques on the literature is discussed.
Contrast Media
;
Diagnosis
;
Iopamidol
7.The effect of an ionic contrast media talabrix(r) on the arterial endothelium and microvascular anastomosis.
Yong Uck KIM ; Kwan Chul TARK ; Beyung Youn PARK ; Soon Won HONG
Journal of the Korean Society of Plastic and Reconstructive Surgeons 1993;20(1):52-60
No abstract available.
Contrast Media*
;
Endothelium*
8.Cardiovascular effects of contrast materials on left ventricular angiography in rabbits: comparing high osmolarand low osmolar contrast materials
Kyung Mo YEON ; Man Chung HAN ; Chu Wan KIM
Journal of the Korean Radiological Society 1985;21(3):351-356
No abstract available.
Angiography
;
Contrast Media
;
Rabbits
9.Design and Realization of Contrast Medium Biphasic Hyperbaric Injector.
Chengxun YANG ; Zujun BAI ; Shiwu ZHANG ; Hu JIN
Chinese Journal of Medical Instrumentation 2022;46(1):34-37
A biphasic hyperbaric injector based on BLDC is designed for alternate and mixed injection of contrast medium and normal saline in the process of contrast medium injection in hospital. The driver hardware and algorithm are optimized especially for high-pressure and high-speed injection requirements. The interface APP is designed with parameter-input and real-time pressure-plotting of injector's ports as two main functions. The whole device can realize the preset function and has high stability after testing.
Contrast Media
;
Injections
10.An experimental study on MRI signal intensity vs concentration of water-soluble contrast media.
Ghi Jai LEE ; Kee Hyun CHANG ; Moon Hee HAN ; Chang Yul HAN ; Man Chung HAN
Journal of the Korean Radiological Society 1991;27(3):310-316
No abstract available.
Contrast Media*
;
Magnetic Resonance Imaging*
Result Analysis
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