Biomedical subjects
Publications and source records attributed to S Klancir.
The case of patients with dermatomyositis and malignant disease has been described. The diagnosis of malignant disease was made after death of the patient, when the malignant undifferentiated cells were found in the ascites. We think that dermatomyosistis was caused by malignant disease. The similar cases of disease were described and published in the literature.
A retrospective study of the prevalence of arterial hypertension in patients with radiological signs of chronic pyelonephritis was done. During six years i.v. urography has been performed in 936 patients, 297 (31.7%) of whom had hypertension, and 123 (13.1%) had radiological signs of chronic pyelonephritis. Out of the patients with chronic pyelonephritis 87 (70.7%) subjects (57 men, 30 women) had arterial hypertension. Bilateral chronic pyelonephritis was radiologically confirmed in 61 (70.1%) and unilateral parenchymal renal disease in 26 (29.9%) of the patients with hypertension. When the diagnosis has been postulated on the basis of radiologically evident changes of kidney parenchym (renal scarring) or the combined calyx-parenchymatous lesions, it could be shown that the frequency of hypertension in these patients was statistically higher (p less than 0.001) than in the group of patients that displayed only isolated calyx lesions. Moderate and pronounced hypertension were more common (52.5%) in patients with bilateral pyelonephritis scarring compared with hypertonic patients having the same, but unilateral changes. Patients with radiological signs of chronic pyelonephritis and hypertension had proteinuria and various degrees of renal failure significantly more often than these with normal blood pressure. On the basis of the presented results the authors concluded that the prevalence of arterial hypertension in patients with chronic pyelonephritis is much higher (70.1%) than in the average population (31.7%). Hypertension is more common and its complications are severe in the patients with chronic fibrose pyelonephritis. In these patients is also frequent chronic renal failure. The observed facts can be explained on the basis of recent knowledge about pathophysiological mechanisms in chronic pyelonephritis (the renin-angiotensin-aldosterone system, renal prostaglandins system and glomerulo-tubular balance).
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A new method for differentiation of glomerular from nonglomerular hematuria is presented. Mean volume of erythrocytes in glomerular hematuria is decreased, and these erythrocytes are abnormally small in size, so called microcytes. On the other hand, in nonglomerular hematuria the volume of erythrocytes is the same as the volume of erythrocytes in the peripheral blood from the same patient. Those are normocytes. A statistically significant difference in volume of erythrocytes was found between glomerular and nonglomerular erythrocytes. The osmolality and pH of urine had no influence on volume of erythrocytes in hematuria. Our results show that the analysis of mean corpuscular volume of urine erythrocytes may be helpful in determining the origin of hematuria.