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排序方式: 共有97条查询结果,搜索用时 15 毫秒
1.
This article contains the review and the critical discussion of studies of T and B lymphocytes in chronic B-cell lymphocytic leukaemia. It is not explicitly known now, which stage of differentiation of lympho-haemopoietic cells undergoes malignant transformation in CLL-B. Basing on VDJ recombination activity it is supposed that some cases derive from the stem cell, others--from B lineage cells. 相似文献
2.
Killmann R. Jaros G. G. Wach P. Graumann R. Moshage W. Renhardt M. Fleischmann R. H. 《Medical & biological engineering & computing》1995,33(5):643-651
A computer simulation study is performed to investigate the method of current density reconstruction to localise myocardial
ischaemia. A computer model of the entire human heart is used to simulate the excitation and repolarisation process in eight
topographically different cases of myocardial ischaemia. The associated magnetocardiogram is calculated at 37 positions of
the KRENIKON* biomagnetic measurement equipment. The method of current density reconstruction is applied at the S-point (the last discemible
deviation from the ST-segment at the end of the QRS-complex) of the MCG to find characteristics of the myocardial ischaemia
simulated by the model. The results show that it is possible to determine the location of the ischaemia. The current density
distribution may be interpreted physiologically in terms of the so-called ‘injury current’. This indicates that magnetocardiography
might be a suitable method for noninvasive ischaemia diagnosis, and further investigations of the current density reconstruction
method for the injury current should be performed on patients with ischaemic heart disease. 相似文献
3.
J Roliński Z M Rupniewska J Kowalewski M Kowal M Wach 《Acta haematologica Polonica》1990,21(2):185-191
In a group of 9 patients with chronic lymphocytic or lymphoplasmocytic leukaemia in clinical stage from 2 to 4 (classification of Rai et al.) 8 various CHOP programmes (cyclophosphamide, hydroxyldaunomycin, oncovin, prednisone) were used. In 6 cases (67%) partial remission was obtained, with normalization of peripheral blood and bone marrow patterns, with statistically significant decrease of the proportion of cells forming rosettes with murine erythrocytes, and with reduction or full normalization of the size of previously enlarged lymph nodes. In one case the control examination of a lymph node failed to demonstrate the previously present clone of cells with chromosomal aberration, although in histological examination the diagnosis of lymphoplasmocytic lymphoma was maintained. In the remaining 3 cases no partial remission was noted, and in one case progression was recognized. We think similarly as the French haematologists studying chronic lymphatic leukaemia, that the CHOP programme is effective in the treatment of chronic lymphatic or lymphoplasmocytic leukaemia. 相似文献
4.
As part of the diagnosis and treatment of cancer objective biological measures are becoming increasingly important and may help to elicit the individual patient’s risk of future outcome. Among theses measures are markers as determinants for the biological potential of the malignant disease, the prediction of recurrence after systemic treatment or the response to a specific therapy. In counselling patients with uro-oncologic diseases, the emerging role of evidence-based treatment choices reveals with cumulative certainty that the available information on markers is inconclusive. The aim of this review is to provide a summary of the current evidence of the evaluation of markers, which may be supportive for a treatment decision and/or provide additional valuable information as part of the treatment option. In addition, this may provide access to some of the most promising investigations, which may yield perspectives for future relevant clinical questions. 相似文献
5.
Habacher W Rakovac I Görzer E Haas W Gfrerer RJ Wach P Pieber TR 《Journal of evaluation in clinical practice》2007,13(6):906-912
RATIONALE, AIMS AND OBJECTIVES: The diabetic foot is a common late complication among diabetic patients and due to its consequences an important financial burden for society. Intensified treatment has proved to reduce amputation rates, but in Austria so far no data have been available about financial implications and long-term effects of intensified treatment. The objective was to retrieve cost data for intensified treatment of diabetic foot ulcers and to estimate the long-term outcome. METHODS: A retrospective data analysis of 119 ulcers was done to get outcomes and costs for intensified treatment in a specialized outpatient hospital department in an Austrian setting. One-year results were categorized according to the San Antonio wound classification. Using a Markov model upon these data, long-term outcomes and costs for intensified treatment and for standard care were calculated. RESULTS: Costs for intensified treatment until healing vary from euro 1071 (range: 99-4089) per case to euro 7844 (range: 104-25 615) depending on the lesion's grade. One-year healing rates are 85.2% for grade A and 71.7%, 84.6% and 33.3% for the grades B, C and D respectively. The model-based comparison for treatment costs shows a cost reduction of 29.8% per patient year in grade A ulcerations and 49.7% in grade D for intensified versus standard treatment due to lower amputation rates. CONCLUSIONS: These results are the first cost data for diabetic foot care in Austria and demonstrate the advantages of intensified care over standard care in terms of patient-oriented outcome and financial impact pleading for the implementation of specialized foot care facilities and referral guidelines to standardize and improve treatment. 相似文献
6.
Czyz J Hellmann A Dziadziuszko R Hansz J Goździk J Hołowiecki J Stella-Hołowiecka B Kachel Ł Knopińska-Posłuszny W Nagler A Meder J Walewski J Lampka E Sułek K Sawicki W Lange A Forgacz K Suchnicki K Pacuszko T Skotnicki A Mensah P Jurczak W Kuliczkowski K Wróbel T Mazur G Dmoszyńska A Wach M Robak T Warzocha K 《Bone marrow transplantation》2002,30(1):29-34
We analysed the treatment outcome of primary refractory HD patients managed with high-dose chemotherapy and haematopoietic cell transplantation. Data of 65 adult patients who underwent HDC/ASCT in nine Polish centres for primary resistant Hodgkin's disease between June 1991 and July 2000 were collected retrospectively. Response rate to HDC/ASC: CR, 54%; PR, 20%; less than PR, 15%; early deaths, 11%. Actuarial 3-year OS and PFS were 55% and 36%, respectively. In multivariate analysis, lack of bulky lymph nodes and use of immunotherapy were favourable factors for both OS and PFS. IPF <3 at the time of transplantation was predictive for PFS. However, the prognostic impact of immunotherapy should be interpreted with caution since this group included more patients who achieved CR after HDC/ASCT. The results of HDC/ASCT are encouraging and confirm earlier findings. The role of immunotherapy should be further investigated in prospective trials. 相似文献
7.
Clearance experiments in calcium-stone patients (n = 60) and controls (n = 60) demonstrated significantly higher urinary uric acid (UA) in younger (less 40 years) stone patients than controls (median: 480 vs. 351 mug/min) but not in older (greater than 40 years) patients. Serum UA and urinary oxypurines were comparable in health and stone disease. Conversely urinary phosphate was significantly lower in younger patients than matched controls (males: 224 vs. 304 mug) and presumably is responsible for the more alkaline pH. It is suggested that calcium-stone formation in humans is represented by two different populations. 相似文献
8.
Keck B Stoehr R Wach S Rogler A Nolte E Hartmann A Wullich B 《Der Urologe. Ausg. A》2011,50(2):217-220
Plasmacytoid urothelial carcinomas (PUC) along with micropapillary urothelial carcinoma (MPC), small cell cancer, and nested-typed tumors are among the rare variations of urothelial carcinomas. The molecular characterization of PUC and MPC is currently the focus of our research on bladder cancer which we are conducting in cooperation with the Institute of Pathology in Erlangen. PUCs account for approximately 0.9% of all urothelial carcinomas. The diagnosis of these rare variants has acquired increasing importance since this may have prognostic and possibly therapeutic consequences for the patients. By analysis of 32 PUCs we were able to demonstrate the most comprehensive results available to date on the underlying molecular and clinical characteristics of these variants. Micropapillary cancers have already been described in multiple organs. Micropapillary breast cancer represent an individual entity with characteristic genomic aberrations and corresponding clinical and pathological features 相似文献
9.
Ruff Samantha M. Ayabe Reed I. Wach Michael M. Diggs Laurence P. Martin Sean P. Davis Jeremy L. Hernandez Jonathan M. 《Journal of thrombosis and thrombolysis》2019,48(1):119-124
Journal of Thrombosis and Thrombolysis - Patients with hepatopancreatobiliary (HPB) malignancies undergoing resection are prone to venous thromboembolism (VTE), and current guidelines recommend up... 相似文献
10.
Fortin J Marte W Grüllenberger R Hacker A Habenbacher W Heller A Wagner Ch Wach P Skrabal F 《Computers in biology and medicine》2006,36(9):941-957
A new method and apparatus for non-disruptive blood pressure (BP) recording in the finger based on the vascular unloading technique is introduced. The instrument, in contrast to intermittent set point readjustments of the conventional vascular unloading technique, delivers BP without interruptions, thus refining the Penáz' principle. The method is based on concentrically interlocking control loops for correct long-term tracing of finger BP, including automatic set point adaptation, light control and separate inlet and outlet valves for electro-pneumatic control. Examples of long-term BP recordings at rest and during autonomic function tests illustrate the potential of the new instrument. 相似文献