Lege Artis Medicinae

[ Report on gastroenterological endoscopic activity in Hungary in 1999]

NAGY György1, JUHÁSZ László1

JUNE 01, 2000

Lege Artis Medicinae - 2000;10(06)

[ The Endoscopic Section of the Hungarian Gastroenterological Society has been monitoring the development of endoscopic activity in Hungary for a quarter of a century. [See LAM 1990; 1 (3): 180-81 and 1999; 9 (7-8): 574-6). So far, we have found a consistent increase in test numbers (1975: 24 379, 1980: 60 043, 1985: 112 367, 1990: 203 675, 1995: 293934) from year to year. 1999 was the first year in which, despite the industrial, large-scale upswing of some centers, the number of endoscopic examinations declined nationally.]

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  1. Borsod-Abaúj-Zemplén Megyei Kórház Miskolc, II. Belgyógyászati Osztály

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[Infectiosus diseases - Past, present, future]

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[The complex interactions between microorganisms and humans include the well known, traditional infectious diseases and also the symbiotic relationship with the human endogenous normal flora. Forty years ago everybody was convinced that medicine would soon be able to eradicate most of the infectious diseases. Perception of victory over infectious diseases has been blunted in recent years by nosocomial infections and by the new and re-emerging diseases. The spectrum of infectious diseases is expanding and many of those once thought conquered are increasing in numbers. Moreover, the problems of infection are present in all aspects of medicine and with the field turning more and more complex its challenge for practitioners has become increasingly demanding. It is now clear, that at the dawn of the new millennium infectious disease remains the number one killer in the world. ]

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JERMENDY György, FARKAS Klára, NÁDAS Judit, DARÓCZY Atilla, PÉTERFALI Éva

[INTRODUCTION - The importance of measuring microalbuminuria is well established, however, controversy still exists regarding the type of urine specimen to be used for detecting early renal impairment of diabetic patients. PATIENTS AND METHODS – To evaluate practical aspects, albumin concentration and albumin to creatinine ratio of first void urine samples as well as urinary albumin excretion in timed specimens were determined by immunoturbidimetric method 3 times within 3 weeks in 192 adult diabetic patients (136 men, 56 women; type 1/type 2: 90/102; age: 51.4=10.8 years; duration of diabetes: 15.3+9.1 years; body mass index: 27.9+4.6 kg/m2; HbA1c: 8.5+1.5 %; actual blood pressure: 13814/82+8 mmHg; serum creatinine: 94+20 umol/l; x+SD). RESULTS - According to the urinary albumin excretion values, one third of patients (31.2%-30.7%-34.4%) were normoalbuminuric (<30 mg/24 hours), more than half of the patients (55.8%-57.3%-53.6%) proved to be microalbuminuric (30-300 mg/24 hours), while the remaining group of patients (13.0%-12.0%–12.0%) was macroalbuminuric (>300 mg/24 hours). Comparing the results of successive measurements good correlation was found between the same laboratory values (urinary albumin excretion: K=0.64; K=0.67; urinary albumin concentration: K=0.60; K=0.62; albumin to creatinine ratio: K=0.54; K=0.61; first vs. second and second vs. third measurements, respectively). The percentage of patients being in the same range of albuminuria (i.e. normo-, micro-or macroalbuminuria) at successive measurements was 79.7-81.2% with urinary albumin excretion values, 77.1-77.6% with urinary albumin concentration and 74.5-78.6% with albumin to creatinine ratio. Good correlations were found between urinary albumin excretion and urinary albumin concentration (K=0.54; 0.54; 0.57) and nearly the same correlations were observed between urinary albumin excretion and albumin to creatinine ratio (K=0.49; 0.47;0.54) at different series. Using values of urinary albumin excretion for comparison at all measurements, 79.3% sensitivity and 69.5% specifity were found for urinary albumin concentration whereas 74.6% sensitivity and 68.8% specifity were documented for albumin to creatinine ratio. CONCLUSION - Beside the standard measurement of urinary albumin excretion in timed urine samples, the use of the more convenient morning urinary spot collection could also provide useful results (urinary albumin concentration or albumin to creatinine ratio) for detecting early renal involvement in diabetic patients. ]

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[Jean Piaget's theory suggests that cognitive development proceeds in discrete steps. The first is the sensorimotor period that happens in the first two years of life. In recent years it became clear, that it is necessary to have an intact and mature hippocampus for adequate memory formation, both in experimental animals and humans. In the present study, the morphological development of the human hip pocampus was correlated with the developmental changes of intellectual development. Our results suggest that neuronal cell formation of the human hippocampus terminates several weeks before birth. In the dentate gyrus, a small number (less than 1%) of granule cells are still formed around birth. Immature granule cells migrate through the hilar region to their final position in the granule cell layer during the first six postnatal months. Light microscope studies of individual neurons indicate that connections between granule cells and their target neurons are not yet formed at birth. Such connections develop during the third postnatal year. If the development of the synaptic connections is damaged in experimental animals, the hippocampal function will be permanently impaired. Newborns may have basic synaptic circuits for memory formation, but the postnatal morphological changes suggest the significant modification of the hippocampal circuits happening continuously from the newborn age until late childhood. These changes may cause the phenomenon of the "infantile amnesia". ]

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