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지속성 외래 복막투석 환자에 동반된 음낭 수종 및 간접 서혜부 탈장 1 예
함종렬(Jong Yeol Ham),심대석(Dae Seok Shim),김건호(Kun Ho Kim),김한모(Han Mo Kim),김성욱(Seong Wook Kim),이옥재(Ok Jae Lee),황일용(Il Yong Hwang),하우송(Woo Song Ha),안인옥(In Oak Ahn) 대한내과학회 1994 대한내과학회지 Vol.46 No.5
Abdominal wall hernia is one of complications on CAPD patients. The incidence of this complication varies from 9.9 to 24% among CAPD patients, with a greater incidence among women and old men. The majority of the reported herniae can be differentiated to be incisional (i.e., in the incision of the implanted catheter), umbilical and inguinal according to their locations. It is necessary that patients on CAPD be examined regularly for symptoms and signs of abdominal hernias. Recently, we experienced a 61-year-old man on continuous ambulatory peritoneal dialysis complained of left scrotal and inguinal swelling and tenderness, which was diganosed as indirect inguinal hernia, left, associated with a hydrocele by transillumination and ultrasonography. A herniorraphy was performed, and his symptoms were subsided.
혈관 손상에 동반되는 혈관 내막 평활근의 중식에 미치는 Ramipril 의 효과
도문홍(Moon Hong Doh),신원호(Won Ho Shin),함종렬(Jong Yeol Ham),최동주(Dong Ju Choi),고경혁(Gyung Hyuck Ko),서봉관(Bong Kwan Seo),정순일(Sun Il Jung),최진학(Jin Hak Choi) 대한내과학회 1994 대한내과학회지 Vol.46 No.5
Objective: Advanced atherosclerotic lesion consists mainly of intimal smooth muscle cell proliferation. Many factors are considered to be implicated in this process. The role of locally produced angiotensin II as a potent growth stimulus had been investigated. To evaluate the effect of ramipril, a new converting enzyme inhibitor, on the smooth muscle proliferative process this animal study was performed, Ramirpil was selected because of its unique physicochemical properties. Methods: Forty nine male New Zealand White or Chinchilla rabbits were randomly assigned to four groups: Group I (N=5), normal control; Group II (N=12), 2% cholesterol diet feeding without vascular injury; Group III (N =16), 2% cholesterol diet feeding after vascular injury; Group IV (N=16), ramipril treated group. Bilateral femoral atherosclerosis was induced by endothelial damage using desiccated nitrogen gas followed by a 4-week high cholesterol diet (2%-cholesterol & 6%-peanut oil). Ramipril, dose of 1 mg/kg/day, was given from 7 days before injury. Results: No definite atherosclerotic lesion was found in group II rabbits, But atherosclerotic lesion with intimal enlargement was induced in all group III & IV rabbits. The lesions were made of abundant cellular components, collagen fibers, & elastic fibers. The presence of intimal smooth muscle cells was confirmed by the immunohistochemical staining with muscle-specific monoclonal antibody HHF-35. Occasionally the foam cell lesions were scattered in the media as well as in the intima. There was frequent disruption of internal elastic lamina. Luminal area, neointimal area, media area, & ratio of intima to media were examined from the histologic sections of the femoral artery. There was no significant difference in all parameters between group I & group II rabbits. But between group I & group III rabbits was there significant difference in all 4 parameters. The same relationship was also found between group II & group III. So it was apparent that the hypercholesterolemic diet for 4 weeks alone could not induce atherosclerotic lesion in this animal model. The luminal area was not significantly different between group III & group IV. (0.10±0.08mm2 vs. 0.11±0.08mm2; p>0.05). The neointimal area of ramipril treated group was significantly smaller than that of group III rabbits (0.56±0.36mm2 vs. 0.17±0.12mm2; p<0.01). The media area was also smaller in ramipril treated group (0.34±0.17 mm2 vs. 0.22±0.06 mm2, p<0.05). The radio of neointima area to media area was higher in group III (1.67±0.80 vs. 0.76±0.44; p<0.01). Conclusion: This rabbit-desiccation injury-cholesterol diet model proved to be useful for the study of atherogenesis. Ramipril was considered to inhibit the intimal smooth muscle cell proliferation in this animal model.