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강영우,박봉기,이상숙,송홍석,박재후,서승연 대한내과학회 1987 대한내과학회지 Vol.33 No.1
Herein we reported a case of sinus histiocytosis with massive lymphadenopathy which was the second in our nation. The patient was 53-year old man with a ten-year clinical course of SHML. Since three years before admission, he was suffered from generalized lymphadenopathy, nasal stuffiness, and multiple dark-reddish colored skin papules. Since 1 month before admission, more progression of nasal stuffiness and lymph node enlargement with persistent frontal headache were developed. Microscopic examination of cervical lymph node and skin tissues revealed characteristic features of SHML: predominant histiocyte infiltration, lymphophagocytosis, plasma cell proliferation. Laboratory examination disclosed anemia, increased erythrocyte sedimentation rate, polyclonal gammopathy and CSF protein of 434 mg/dl with WBC of 63/mm³. We observed a defect in cellular immune function, cutaneous anergy by Multi-CMI skin test. After treatment with vinblastine and prednisolone, improvement of headache, nasal stuffiness, and lymph node enlargement were noted.
Helicobacter pylori가 소화성 궤양 출혈에 미치는 영향
강영우,안성훈,박승국,황재석,허정욱,장병국 대한소화기학회 1999 대한소화기학회지 Vol.34 No.3
Background/Aims: Helicobacter pylori (H. pylori) infection is deeply involved in pathogenesis of peptic ulcer. However, the role of H. pylori infection on the peptic ulcer bleeding is not established. We investigated the effect of H. pylori infection on ulcer bleeding by comparision of the incidence of H. pylori infection in patients with bleeding ulcer or non bleeding ulcer. Methods: We surveyed 101 patients who were diagnosed as bleeding and non bleeding peptic ulcer by gastroscopy from September, 1997 to June, 1998. We obtained biopsy specimen within 5 cm from pylorus by jumbo biopsy forcep and performed CLO test and Cresyl-Violet stain. Results: The positive rate of H. pylori infection in the patients with bleeding gastric ulcer was 55% (11 of 20), which was significantly lower than that of patients with non bleeding gastric ulcer, 84% (27 of 32)(p$lt;0.05). The positive rate of H. pylori infection in patients with bleeding duodenal ulcer was 69% (11 of 16), which was not significantly lower than that of patients with non bleeding duodenal ulcer, 81% (27 of 33). Conclusions: Our results suggested that H. pylori infection did not have any effect on bleeding in patients with peptic ulcer, especially gastric ulcer.
기능성 소화불량환자에서 체감각 , 뇌간청각 및 시각 유발전위
강영우,한승엽,임정근 대한소화기학회 1997 대한소화기학회지 Vol.29 No.6
Background/Aims: Although gastrointestinal dysmotility have played an important role in pathophysiology of functional dyspepsia, visceral perception abnormalities due to visceral hypersensitivity are now thought to be a major pathophysiologic mechanism of functional dyspepsia. Visceral hypersensitivity occurred at both visceral afferent pathway and autonomic regulation of central system. The present study was performed to evaluate the possible role of abnormal central perception in the pathophysiology of functional dyspepsia by using various evoked potentials. Methods: The study population consisted of 22 patients with functional dyspepsia and 22 healthy volunteers attending Keimyung University hospital from June 1995 to December 1995. They were studied somaiosensory evoked potentials(SSEP), brainstem auditory evoked potentials(BAEP) and visual evoked potentials(VEP) and compared the absolute latencies, interpeak latencies and amplitudes of each evoked potential between two groups. Results: There were no significant differences in absolute latencies of EP, N13, N19 and P22 waves and amplitudes of EP, N13 and N19/P22 at SSEP between functional dyspepsia and norrnal control. There were no significant differences in absolute latencies of I, II, III, IV and V waves, and interpeak latencies of I -III, m- V and I V at BAEP between functional dyspepsia and normal control. There were no significant differences in absolute latencies and amplitudes of P100 at VEP between functional dyspepsia and normal control. Conclusions: The present study could not reveal abnormal central percepition by using somatosensory, auditory and visual evoked potentials in patients with functional dyspepsia.
강영우,김희철,이성룡 대한생물치료정신의학회 2001 생물치료정신의학 Vol.7 No.2
Objectives : There is a hypothesis that subject may adapted to same kind repetitive stress. Polyamine(putrescine, spermidine, and spermine) is one of the stress responses in brain and peripheral organs. Therefore, we designed this study to investigate the differences between single and complex type of chronic stresses by examining the changes of polyamine levels in brain and peripheral tissues. Method : There are four groups in this study. 1) control group(n=5) : animals with no stress, 2) immobilization stress group(n=5) : animals with 10 times of immobilization stress, 3) cold-water swimming stress group(n=5) ; animals with 10 times of swimming stress in cold water, 4) complex stress group(n-5) : animals with immobilization and cold-water swimming stress. For immobilization stress(10 days), rats were placed in restrainers once daily, for 3 hours, For cold water swimming stress, rats were placed in ice-cold water once daily for 3min(10 days). For complex stress, rats were alternately underwant immobilization stress and cold swim stress, for 10 days(5 times, respectively). For polyamine analysis, polyamine extracted from brain tissue(frontal cortex and hippocampus) and gastrointestinal tract(gastric and duodenal mucosa) and measured with high performance liquid chromatography and ultraviolet detector at 242nm. Results : Putrescine levels in frontal cortex were significantly decreased by immobilitation stress and complex stress, respectively. Putrescine levels in hippocampus were significantly decreased by immobilization stress. Spermidine levels in duodenal mucosa were significantly decreased by cold swimming stress. However, spermine levels were not changed by any type of stress. There were no differences in polyamine reponses between single type and complex type stresses. Conlusions : Attenuations of putrescine and spermidine levels after chronic stresses seem to be a adaptation process of polyamine responses. In our experimental conditions, there are no differences in polyamine responses between single type and complex type stresses.