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요 삼투질농도차를 이용한 요 암모늄 배설의 평가 : 요 음이온차와 비교
김근호(Gheun Ho Kim),전은실(Eun Sil Jun),허우성(Woo Sung Huh),김연수(Yon Su Kim),안규리(Cu Rie Ahn),한진석(Jin Suk Han),김성권(Suhng Gwon Kim),이정상(Jung Sang Lee) 대한내과학회 1995 대한내과학회지 Vol.48 No.5
Objectives: Urine osmolal gap(UOG) and urine anion gap(UAG) have been suggested for the indirect measures of urine NH4+ excretion. The clinical usefulness of UOG in the patients with urine acidification defect is much less known in comparison with that of UAG. Methods: We measured UOG[=urine osmolality-{2(Na++K+)+urea}] and compared with urine NH4+ and UAG(=Na+ +K+ -Cl- ) in 5 patients with distal renal tubular acidosis patients(RTA) and 8 healthy adults with acid loading(NC), whose arterial blood bicarbonate concentrations were 19.5±1.6mM (mean+SEM) and 19.6±0.6mM, respectively. Results: Urine NH4+ excretory rate of RTA(26.8±4.9mmol/day) was lower(p<0.01)than that of NC (52.6±3.7mmol/day), UOG of RTA(129.7±17.0mM) was lower(p<0.05) than that of NC(319.7±58.4mM), and UAG of RTA(52.2±9.4mM) was higher(p<0.01)than that of NC(-16.2±5.5mM). Urine osmolality had good correlations with the sum of major urinary solutes calculated by 2(Na+ + K+ +NH4+)+urea in spot urine(r=0.90, p<0.01) and 24- hour urine collection(r=0.95, p<0.01). UOG had positive correlations with spot urine NH4+ concentration(r=0.97, p<0.01) and 24 hour urine NH4+ excretion(r=0.69, p=0.01). UAG had inverse correlations with spot urine NH4+ concentration(r=-0.78, p<0.01) and 24-hour urine NH4+ excretion(r=-0.75, p<0.01). The lower urine NH4+ in RTA was reflected by the lower UOG(<150mM) and the higher UAG(>5mM). Conclusion: Urine osmolal gap as well as urine anion gap was a useful clinical index reflecting urine ammonium in the patients with distal renal tubular acidosis, and urine osmolal gap below 150mM and urine anion gap above 5mM would suggest the impaired urine ammonium excretion.
지속성외래복막투석 환자에서 발생한 Trichosporon beigelii 복막염
양중일 ( Yang Jung Il ),김미애 ( Kim Mi Ae ),정은영 ( Jeong Eun Yeong ),백주은 ( Baeg Ju Eun ),하혜정 ( Ha Hye Jeong ),김현정 ( Kim Hyeon Jeong ),박동준 ( Park Dong Jun ),장세호 ( Jang Se Ho ),전은실 ( Jeon Eun Sil ) 대한신장학회 2004 Kidney Research and Clinical Practice Vol.23 No.3
Fungal peritonitis is one of the leading causes of patients dropout from continuous ambluatory peritoneal dialysis (CAPD) therapy. Although the most causative agents of peritonits associated with CAPD are bacteria, fungi are implicated in up to 10% of cases. The most common organism of fungal peritonitis is Candida specises, but Trichosporon beigelii was reported as a rare causative agent of fungal peritonitis. We experienced a case of CAPD peritonitis by Trichosporon beigelii, which was treated with CAPD catheter removal, and antifungal agents with amphotericin B and fluconazole. Thus, we report our experience of CAPD peritonitis caused by Trichosporon beigelli and review of the literature. (Korean J Nephrol 2004;23(3):518-522)