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만성 신부전 환자에서 혈액 투석 전후 좌심실 기능에 관한 연구
채수인,송주홍,박옥규 圓光大學校 醫科學硏究所 1990 圓光醫科學 Vol.6 No.1-2
Renal failure is often associated with electrolyte imbalance, anemia, hypertension, volume overload, metabolic acidosis, increase in parathyroid hormone level, all of which may contribute to the development of left ventricular dysfunction. To evaluate the left ventricular function in chronic renal failure patients undergoing maintenance hemodialysis and to assess the effect of hemodialysis on cardiac function, 13 normal subjects, 11 essential hypertensive and 15 chronic renal failure patients were examined with two dimensional and targeted M-mode echocardiograms, Doppler echocardiogram and indirect carotid pulse tracing. In hemodialysis patients, these were recorded pre and post-hemodialysis. The results were as follows : With hemodialysis, body weight decreased from 57.9±9.2 to 55.2±9.0 ㎏ (p<0.05) without a change in heart rate. LV end-diastolic dimension, an index of preload, was larger in chronic renal failure patients than in control and hypertensive group (5.96±0.78 vs. 5.00±0.47 ㎝ ; p=0.11, 5.30±0.83 ㎝ ; p=0.25), decreased by 3.5 % with dialysis. Left ventricular end-systolic dimension was also larger in chronic renal failure patients than in control and hypertensive group (4.25 ±0.74 vs. 3.52±0.34 ㎝ ; p<0.05, 3.36±0.68 ㎝ ; p<0.05, decreased by 6.0 % with dialysis. There was no difference in the thickness of ventricular septum among control, hypertensive and chronic renal failure groups. End-systolic and end-diastolic LV posterior wall were thicker in chronic renal failure patients than in control and hypertensive group (1.22±0.18 vs. 1.06±0.10 ㎝ ; p=0.12, 1.18±0.21 ㎝ ; p=0.62 in end systolic wall thickness and 0.81±0.15 vs. 0.58±0.07 ㎝ ; p=0.05, 0.66±0.16 ㎝ ; p<0.05 in end diastolic wall thickness), increased by 4 %, 2% with dialysis respectively. There was ventricular hypertrophy as demonstrated by an LVMI of 239.3±80.4 g/㎡, which was significantly higher than control (123.5±33.9 g/㎡) and hypertensive group (122.2±36.1 g/㎡). End-systolic wall stress, a measure of LV afterload, was greater in chronic renal failure and hypertensive group than in control (136.9±51.0, 112.7±26.5 vs. 91.7±9.6 g/㎝ ; p<0.05, respectively) and decreased by 18.8 % with dialysis. Percent fractional shortening (%△D) and LV rate-corrected velocity of fiber shortening (mVcfc) were lower in chronic renal failure patients than in control and hypertensive group (24.4±5.1 vs. 29.4±4.8 % ; p=0.16, 32.6±4.5% ; <0.05 in %△D and 0.84±0.22 vs. 0.94±0.17 circ/sec ; p=0.17, 1.06±0.19 circ/sec ; p<0.05). There was small increase (8%) in %△D with dialysis. In contrast, mVcfc increased significantly from 0.84±0.22 to 1.04±0.19 cire/sec(p<0.05) with the procedure. δes was inversely related to end-systolic wall stress in linear fashion. A_2D was the longest in the hypertensive group, linger in chronic renal failure patients than in control group (100.7±31.1 vs. 88.8±22.7 msec ; p=0.27). There was no change in A_2D with hemodialysis. PE was faster in chronic renal failure parients than control and hypertensive group (0.85±0.19 vs. 0.70 ±0.19 m/sec ; p<0.05, 0.63±0.11 m/sec ; p<0.05), PA was faster in hypertensive group and chronic renal failure patients than in control group (0.68±0.12, 0.79±0.27 vs. 0.44±0.16 m/sec ; p<0.05, respectively). With hemodialysis, there was significant decrease in PE (0.85±0.19 vs. 0.71±0.15 m/sec ; p<0.05), but no change in PA (0.79±0.27 vs. 0.76±0.20 ; p=0.97). E/A ratio was higher in control group than in chronic renal failure patients and hypertensive group (1.61±0.45 vs. 0.93±0.22 ; p<0.05, 1.15±0.32 ; p<0.05), decreased from 1.15±0.32 to 1.00±0.27 ; p=0.17) with hemodialysis. There was no difference in decceleration time among groups. Parathyroid hormone level was higher in chronic renal failure patients than in control and hypertensive group (1.36±1.30 vs. 0.21±0.07 ; p<0.05, 0.21±0.17 ; p<0.05). As the results of above, left ventricular mass index(LVMI), end-diastolic dimension(preload) and end-systolic wall stress(afterload) were increased in chronic renal failure(CRF) patients. mVcfc, index of myocardial performance was decreased in CRF patients, but the decrease in mVcfc in CRF patients was not so much as expected from the relation between δes and mVcfc in control group. This suggest that left ventricular contractile state in CRF undergoing maintenance hemodialysis is preserved relatively well. With hemodialysis, mVcfc increased significantly. LV contractility, as determined by the load-independent relation between δes and mVcfc, did not change. So this increase in mVcfc in thought to be due to the decrease in afterload rather than enhanced contractile state with hemodialysis. Viewed from the A_2D and E/A ratio, left ventricular diastolic function was impaired in CRF patients, did not improved with dialysis.
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상부입술에서 발생한 Adenoid Cystic Carcinoma 1례
권건영,송홍석,한창엽,송중언,손수인 啓明大學校 醫科大學 1990 계명의대학술지 Vol.9 No.4
We experienced a case of adenoid cystic carcinoma of the upper lip-a highly unusal site for this malignant neoplasm, in a 52 year-old male patient. Chest CT seanning revealed 2×1.5㎝ sized circumscribed solitary mass with peripheral calcifications. Fine needle aspiration biopsy of the right lung mass revealed metastatic adenoid cystic carcinoma. The patient was treated with wide surgical resection and reconstruction by Abbe flap of the upper lip and 3-drug combination chemotherapy of adriamycin, cisplatin, 5-fluorouracil. Minimal response of the pulmonary lesion was seen after 4 cycles of combination chemotherapy. So we think that the role of chemotherapy in metastatic adenoid cystic carcinoma is marginally effective. Careful lifetime follow-up study of the patient is required to discover progression or recurrent disease.
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