No abstract available.
Busan* ; Infection Control*

No abstract available.
Colostomy*

No abstract available.
Appendicitis* ; Wounds and Injuries*

No abstract available.
Mortality*

No abstract available.
Intestinal Obstruction*

Of several possible configurations of pin fixation of a displaced supracondylar fracture of the humerus in children, the medial and lateral crossed pinning technique has been known to provide the greatest resistance to gross rotational displacement. A new technique with ipsilateral two lateral crossed pins was devised so as to avoid the ulnar nerve injury with good stability for fracture site. During the period from 1992 to 1994, 18 children with displaced supracondylar fracture of the humerus were treated by closed reduction and ipsilateral two lateral crossed pinning. Eighty nine percents of the final results were satisfactory. There were no ulnar nerve injuries and fixation loss in all cases from the treatment. This is a safe, simple and reliable technique for providing the good stability of fracture site as well as avoiding the ulnar nerve injury.
Child ; Humans ; Humerus ; Ulnar Nerve ; Ulnar Neuropathies ; United Nations

The use of pure titanium and titanium alloys have been increased recently in fixed, removable prosthodontics and implant fields as a framework. But when they were used for superstructures of implant of metal framework of removable prosthesis, welding is necessary to reconnect the fracture site to control the casting distortions. To overcome the difficulties in soldering the titanium due to high oxidation property, much effort have been devoted. In this study, some of mechanical properties were compared between pure titanium and Ti-6Al-4V alloy by usingl aser welding, electron beam welding technique and tungsten arc welding. Mechanical properties such as tensile strength, yield strength, elongation and microhardness were measured. And, in order to compare the effect of welding site and surrounding metal tissue according to the welding condition, SEM photographs were taken an element distribution was observed by Wave Dispersion Spectroscopy. Through analyses of the data, following results were obtained; 1. In items such as tensile strength, yield strength and elongation according to the welding techniques of pure titanium, only tungsten arc welded group showed significant lower value than other groups(P<0.05). 2. In items such as tensile strength and yield strength according to the welding techniques of Ti-6Al-4V alloy, control group and tungsten arc welded group showed significant difference among all the groups(P<0.05). 3. Ti-6Al-4V alloy exhibited significantly greater elongation than control group when the laser welding method and electron beam welding method were used, and elongation showed increasing tendency. 4. Pure titanium specimens exhibited increasing tendency of microhardness regardless of the welding technique applied, and especially tungsten arc welded group demonstrated a great increase of microhardness than parent metal. 5. There was no hardness change in laser welded group and electron bean welded group of Ti-6Al-4V ally, but in tungsten arc welded group, hardness changed greatly from parent metal to weld seam. 6. Through the metallographic examination and scanning electron microscopy, laser welding caused central fusion and recristallizations were formed and tungsten arc welding caused localized fusion to 0.3-0.7mm from the surface.
Alloys ; Hardness ; Humans ; Microscopy, Electron, Scanning ; Parents ; Prostheses and Implants ; Prosthodontics ; Spectrum Analysis ; Tensile Strength ; Titanium* ; Tungsten ; Welding*

A new case of the recently experienced intraocular cysticercosis associated with multiple skin lesions (subcutaneous nodules) is presented. Clinical picture of this case was characteristic with bizarre shape retinal hemorrhage, and clinical diagnosis was possible by the fluorescein angiography of fundus. Trans-scleral extraction of the subretinal cysticercus was performed successfully without rupture of a cyst-capsule through the infero-temporal quadrant of sclera near to the equator of right eye. Diagnosis of ocular cysticercosis was confirmed by histo-parasitological examination on the extracted cyst of 5 x 7 mm in size. Oral medication is generally not amenable treatment for the intraocular cysticercosis, and less traumatic surgical removal is the only effective method for the improvement of visual function or preservation of the eye itself. The immense review of literatures on the ocular cysticercosis including the subretinal invas ion was attempted.
Cysticercosis* ; Cysticercus ; Diagnosis ; Fluorescein Angiography ; Retinal Hemorrhage ; Rupture ; Sclera ; Skin

No abstract available.
Animals ; Cattle* ; Yersinia enterocolitica* ; Yersinia*

This study was performed to investigate the possibility of temporary threshold shift (TTS) of vibration sense could induced by exposure to high-frequency vibration or by work position taking by dentists in drilling or polishing. The vibratory perception thresholds (VPT) of 28 healthy men were measured on the index fingertip pulp of dominant hand at 250Hz. The vibrating tool used in test was a low-speed handpiece of 34,000 rpm. For the TTS test, the dominant hand was exposed to high-frequency vibration and to work position for five minutes, respectively. The VPTs before and after vibratory exposure were 23.5+/-3.5 dB, 30.8+/-4.2 dB, respectively and VPT after work position was 23.7+/-4.6 dB. The difference between before and after vibartory exposure was statistically significant (P<0.001). The correlation of height, weight and BMl with baseline VPTs was not statistically significant. Also, there was no difference of VPTs by smoking. These results suggest that high-frequency vibration from dental handpieces might cause the impairment of vibration sensation.
Dentists ; Hand ; Humans ; Male ; Sensation* ; Smoke ; Smoking ; Vibration*