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Biomedical subjects

M Krawczyk

Publications and source records attributed to M Krawczyk.

16 recordsLinked to original sources
PubMed1992

[Acute biliary and alcoholic pancreatitis: two different diseases?].

An analysis of 174 patients with an acute biliary or alcoholic pancreatitis who were admitted to the Surgical University Clinic Mannheim from 1986 until 1989 showed significant differences in the course of the disease and surgical treatment. 77.2% of our patients with an acute alcoholic pancreatitis were men. Mean age of all patients was 45.7 years. 72.3% of our patients had a mild pancreatitis and 27.7% a necrotising pancreatitis. In 26.8% of the patients an operation was necessary (necrosectomy, lavage of the lesser sac). In 35% of these patients occurred complications. Total lethality was 9.9% (mild pancreatitis: 0%, severe pancreatitis: 17.6% and total necrosis of the pancreas: 63.6%). 58.9% of our patients with an acute biliary pancreatitis were women. Mean age of all patients was 62.4 years. In 50% of all cases an operation was necessary (in most cases cholecystectomy and extraction of a prepapillary concrement but also necrosectomy and lavage of the lesser sac). In 17% of these patients occurred complications. Total lethality was 11.0% (mild pancreatitis: 0%, severe pancreatitis 8.3% and total necrosis: 77.7%). The conclusion is a surgical therapy depending of the cause of the pancreatitis and also a different prognosis of the disease.

Acute Disease↗
PubMed1979

Correlation between the rosette test with neuraminidase-treated sheep red blood cells and acid phosphatase activity in lymphocytes from patients with lymphoproliferative disease.

In 14 adult patients suffering from lymphoproliferative diseases, the relation between numbers of lymphocytes determined by the rosette test (nSE) with neuraminidase-treated sheep red blood cells and numbers of lymphocytes giving a positive reaction for acid phosphatase was determined. Statistical analysis of multiple test results in the patients (n = 38) showed highly positive correlation between the two markers. A similar positive correlation in the course of cytostatic treatment was observed in selected patients with type T and B cell lymphoma. The results indicate that determination of acid phosphatase activity can serve as an additional marker of T lymphocytes in groups of patients with lymphoproliferative disease.

Acid Phosphatase↗
PubMed1979

[Eventration].

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Abdomen↗
PubMed1978

Lymphocyte subpopulations bearing different surface markers in non-Hodgkin lymphoma.

Lymphoid cells isolated from peripheral blood and lymph nodes were examined by using the rosette test with sheep erythrocytes (E), the immunofluorescent staining of the surface immunoglobulins (SmIg), the rosette test with mouse C 57 BL erythrocytes (Em and a combined test (SmIg + E). These studies were performed in 143 patients with various subtypes of non-Hodgkin lymphoma and in 110 controls. In the control group the following percentage of cell types was obtained: 1) blood (n = 110): T-68 +/- 12, B- 20 +/- 3, O- 11 +/- 7, BT- 1 +/- 1.4, Em+ cells--9 +/- 7, C3+ cells--21 +/- 3, 2) lymph nodes (n = 23): T- 66 +/- 10, B- 17 +/- 10, O- 15.7 +/- 9, BT- 0.8 +/- 1.7. In non-Hodgkin lymphoma lymph nodes a statistically significant increase of null and B cells- was noted in comparison to the controls (p less than 0.001). Similar changes were observed in the blood of non-Hodgkin lymphoma patients in which the leukocyte count exceeded 10(3)/microliter, whereas in the cases with low leukocythosis the B-T values were within the nomal range. It is concluded that the marker studied does allow to differentiate in most cases between the non-Hodgkin lymphoma and other disorders of the lymphoid system. They also give additional information about the more exact nature of the lymphoid malignancies.

Binding Sites↗
PubMed1976

[T-lymphocyte subpopulation in the blood of patients with chronic lymphocytic leukemia].

In 40 healthy subjects and 80 patients with chronic lymphocytic leukaemia (CLL) rosette formation test with sheep erythrocytes subjected to the action of neuraminidase (nRTB), immunofluorescent investigation of membrane immunoglobulins (BIg) and a combined test (nRTB + BIg) were performed. The relative number of rosette-forming cells (T lymphocytes) was much lower in the group of CLL patients (0.16 +/- 0.08 1/1) than in controls (0.64 +/- 0.12 1/1). The absolute number of T lymphocytes (BLLT) was, however, significantly higher in patients with CLL 5.1 +/- 4.4 G/L) than in controls (0.98 +/- 0.28 G/L). The relative number of bireceptor cells was 0.0045 +/- 0.0093 1/1 in CLL patients and that of null-cells 0.24 +/- 0.17 1/1. Analogous values in the control group were 0.0089 +/- 0.009 1/1 and 0.21 +/- 0.091 1/1. The possible causes of this rise in the absolute number of T lymphocytes in CLL may by: 1) proliferation of both subpopulations of lymphocytes, 2) reaction of T lymphocytes against leukaemic cells, 3) disturbances of equilibrium between B and T lymphocytes.

B-Lymphocytes↗
PubMed1976

Comparison of modifications of the rosette test for detecting T lymphocytes.

Experiments were carried out with blood lymphocytes from 30 healthy subjects and 70 patients with chronic lymphocytic leukemia (CLL). Results of the rosette test with sheep red blood cells (SRBC) were compared by the methods of: I) Wybran (incubation at room temperature, reading after 3 hr); II) Jondal (incubation at temp. 310.15K (37 degrees C) and 277.15K (4 degrees C), reading after 24 hr; III) Weiner et al. (neuraminidase-treated SRBC, incubation at 273.15K (0 degrees C), reading after 15 min; IV) as in method III, but reading after 24 hr. The method of Wybran gave lowest results, statistically significantly differing from the results obtained by the other methods. The other modifications gave results that did not differ significantly. Neuraminidase treatment of SRBC accelerates formation of stable rosettes and this method is recommended in cases where a brief period of incubation is required. In other cases, the method of Jondal may be used.

Erythrocytes↗