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1.
The Korean Journal of Pain ; : 162-167, 2014.
مقالة ي الانجليزية | WPRIM | ID: wpr-188388

الملخص

BACKGROUND: Although a physician may be the nearest to the radiation source during C-arm fluoroscope-guided interventions, the radiographer is also near the fluoroscope. We prospectively investigated the radiation exposure of radiographers relative to their location. METHODS: The effective dose (ED) was measured with a digital dosimeter on the radiographers' left chest and the side of the table. We observed the location of the radiographers in each procedure related to the mobile support structure of the fluoroscope (Groups A, M and P). Data about age, height, weight, sex, exposure time, radiation absorbed dose (RAD), and the ED at the radiographer's chest and the side of the table was collected. RESULTS: There were 51 cases for Group A, 116 cases for Group M and 144 cases for Group P. No significant differences were noted in the demographic data such as age, height, weight, and male to female ratio, and exposure time, RAD and ED at the side of the table. Group P had the lowest ED (0.5 +/- 0.8 microSv) of all the groups (Group A, 1.6 +/- 2.3 microSv; Group M, 1.3 +/- 1.9 microSv; P < 0.001). The ED ratio (ED on the radiographer's chest/ED at the side of the table) of Group A was the highest, and the ED radio of Group P was the lowest of all the groups (Group A, 12.2 +/- 21.5%; Group M, 5.7 +/- 6.5%; Group P, 2.5 +/- 6.7%; P < 0.001). CONCLUSIONS: Radiographers can easily reduce their radiation exposure by changing their position. Two steps behind the mobile support structure can effectively decrease the exposure of radiographers by about 80%.


الموضوعات
Female , Humans , Male , Prospective Studies , Thorax
2.
The Korean Journal of Pain ; : 145-151, 2014.
مقالة ي الانجليزية | WPRIM | ID: wpr-188390

الملخص

BACKGROUND: The physician's hands are close to the X-ray field in C-arm fluoroscopy-guided pain interventions. We prospectively investigated the radiation attenuation of Proguard RR-2 gloves. METHODS: In 100 cases, the effective doses (EDs) of two dosimeters without a radiation-reducing glove were collected. EDs from the two dosimeters-one dosimeter wrapped with a glove and the other dosimeter without a glove- were also measured at the side of the table (Group 1, 140 cases) and at a location 20 cm away from the side of the table (Group 2, 120 cases). Mean differences such as age, height, weight, radiation absorbed dose (RAD), exposure time, ED, and ratio of EDs were analyzed. RESULTS: In the EDs of two dosimeters without gloves, there were no significant differences (39.0 +/- 36.3 microSv vs. 38.8 +/- 36.4 microSv) (P = 0.578). The RAD (192.0 +/- 182.0 radcm2) in Group 2 was higher than that (132.3 +/- 103.5 radcm2) in Group 1 (P = 0.002). The ED (33.3 +/- 30.9 microSv) of the dosimeter without a glove in Group 1 was higher than that (12.3 +/- 8.8 microSv) in Group 2 (P < 0.001). The ED (24.4 +/- 22.4 microSv) of the dosimeter wrapped with a glove in Group 1 was higher than that (9.2 +/- 6.8 microSv) in Group 2 (P < 0.001). No significant differences were noted in the ratio of EDs (73.5 +/- 6.7% vs. 74.2 +/- 9.3%, P = 0.469) between Group 1 and Group 2. CONCLUSIONS: Proguard RR-2 gloves have a radiation attenuation effect of 25.8-26.5%. The radiation attenuation is not significantly different by intensity of scatter radiation or the different RADs of C-arm fluoroscopy.


الموضوعات
Fluoroscopy , Hand , Prospective Studies
3.
مقالة ي الانجليزية | WPRIM | ID: wpr-59806

الملخص

We report that intraoperative NIM-2 monitoring devices can interfere with bispectral index monitoring. A 45-year-old male with chronic otits media underwent tympanolasty under general anesthesia with NIM-2 monitoring and bispectral index monitoring at our institution. And then, bispectral index monitoring was severely interrupted by facial nerve monitoring.


الموضوعات
Humans , Male , Anesthesia, General , Consciousness Monitors , Facial Nerve , Monitoring, Intraoperative
4.
مقالة ي الكورية | WPRIM | ID: wpr-41594

الملخص

We report the perioperative airway management in a 7-year-old boy suffering from Cherubism who was scheduled for endoscopic sinus surgery under general anesthesia. Cherubism is a rare, hereditary disorder of the jaws characterized by expansion of the maxilla and mandible. A difficult airway was encountered during induction of general anesthesia, nasal and oral mask pitting ventilation was hard for first attempts due to facial bony abnormality. At second attempt, we tried only oral mask pitting ventilation and it was successful.


الموضوعات
Child , Humans , Airway Management , Anesthesia, General , Cherubism , Jaw , Mandible , Masks , Maxilla , Stress, Psychological , Ventilation
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