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  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Diabetologia 18 (1980), S. 463-469 
    ISSN: 1432-0428
    Keywords: Muscle triglycerides ; muscle glycogen ; insulin dependent diabetes mellitus ; insulin deficiency ; glycaemic control ; non-esterified fatty acids ; glycerol ; exercise
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Muscle triglycerides and glycogen were measured in biopsy specimens of the vastus lateralis muscle before and after 1 h of ergometric exercise at 50 to 60% of maximal capacity (i. e. at a pulse rate during exercise of 180 minus age) in 3 groups of 19 to 35 year old, non-obese male subjects: 10 normals, 10 insulin dependent diabetic patients in relatively good control and 10 poorly controlled insulin dependent diabetic patients in whom insulin was withdrawn 24 h prior to examination. At rest in all subjects muscle triglyceride content was positively correlated with serum triglycerides (p〈0.001) and blood glucose (p〈0.05), resulting in elevated muscle triglyceride stores in the insulin deficient diabetic patients (17.9 ±1.8 μmol/g protein vs. 13.4±1.3 and 9.4±1.2 in the normal subjects and the well controlled diabetic patients; p〈0.05 and 〈0.001). During exercise, utilisation of muscle triglycerides and glycogen were directly related to content at rest (p〈0.001), including the insulin-deprived patients with decreased glycogen. The decrease of muscle fat was associated with a rise in serum glycerol (p〈0.001) and nonesterified fatty acids (p〈0.001) during exercise.
    Type of Medium: Electronic Resource
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  • 2
    ISSN: 1432-0428
    Keywords: Insulin degrading enzyme activity ; insulin binding ; insulin resistance ; Type 2 diabetes ; erythrocytes
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Specific insulin degrading enzyme activity of erythrocytes was determined in relation to erythrocyte insulin binding in 16 healthy subjects, 14 Type 1 (insulin-dependent) and various groups of Type 2 (non-insulin-dependent) diabetic patients (n = 39). Degrading activity was increased in Type 2 diabetic patients on sulphonylureas, as well as in a subgroup with good metabolic control (p〈0.001) and in patients with secondary failure to oral therapy (p〈0.02); degrading activity returned to normal in the latter patients after 1 week of insulin treatment. Highest degrading activity was found in insulintreated, yet insulin-insensitive patients (daily insulin dose 〉80 U). Degrading activity was significantly correlated in healthy subjects both with circulating insulin concentrations and maximal specific insulin binding. In contrast, in Type 2 diabetic subjects, degrading activity was inversely correlated with serum insulin with no apparent association with maximal specific insulin binding except in those patients given 1 week of insulin treatment. High erythrocyte insulin degrading enzyme activity might be a common feature in the insulin-insensitive Type 2 diabetic patient and might occur subsequent to some aspect of insulin deficiency at the tissue level.
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Springer
    Diabetologia 9 (1973), S. 461-466 
    ISSN: 1432-0428
    Keywords: Erythrocyte 2.3-DPG ; diabetes ; blood glucose variation ; islet cell tumor ; insulin ; tolbutamide ; microangiopathy
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary No significant differences were found in the erythrocyte 2.3-DPG concentration between 14 normals (16.82±0.66 μmoles 2.3-DPG/g Hb) and 44 diabetic patients (16.22±0.38 μmoles 2.3-DPG/g Hb). However, in diabetic patients we could demonstrate significant fluctuations determined by the metabolic control of their diabetes. Hyperglycaemic patients (n = 10) developed during treatment, concomitant with declining blood glucose, a significant decrease to 13.97± 0.64 [mioles 2.3-DPG/g Hb. After normalization of blood glucose the 2.3-DPG level rose again. Two patients with islet cell tumors had a fluctuation in the 2.3-DPG concentration of about 20%, when symptomatic hypoglycaemia occurred during an extended fast. This variation in 2.3-DPG dependent upon changes in blood glucose was also demonstrated in-vitro by a dialysis technique where glucose was kept constant at 400 or 80 mg/100 ml. Incubating hyperglycaemic blood (n = 6) of uncontrolled diabetics in a high glucose medium, 2.3-DPG was constant over 7 h, whereas at low glucose concentration 2.3-DPG dropped significantly (p 〈 0.001). Blood from nondiabetic subjects did not show this phenomenon. In-vitro additions of insulin and tolbutamide failed to produce an effect on 2.3-DPG. Our results suggest that pronounced fluctuations of blood glucose in diabetics influence 2.3-DPG levels in erythrocytes and thus might impair peripheral oxygen supply.
    Type of Medium: Electronic Resource
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  • 4
    ISSN: 1432-1440
    Keywords: Bone marrow transplantation ; Acute leukaemia ; Knochenmarktransplantation ; akute Leukämie
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Zusammenfassung Im Rahmen der Arbeitsgemeinschaft Knochenmarktransplantation München wurden von August 1975 bis Juni 1980 insgesamt 17 Patienten mit rezidivierter, akuter Leukämie mit Knochenmark von HLA-identischen Geschwistern transplantiert. Die antileukämische und immunsuppressive Vorbehandlung bestand aus BCNU, Cytosin-Arabinosid, Cyclophosphamid in hoher Dosierung und Ganzkörperbestrahlung mit etwa 9 Gy Körpermitteldosis an einer60Co-Doppelbestrahlungsanlage. Die Prophylaxe einer Graft-versus-Host Krankheit (GvHK) wurde in allen Fällen mit Methotrexat durchgeführt, bei neun Patienten wurde als zusätzliche GvHK-Prophylaxe das Knochenmark mit Anti-T-Zell-Globulin inkubiert, von dem die Antikörper gegen hämopoetische Stammzellen absorbiert waren. Zwei von fünf auswertbaren Patienten, die unbehandeltes Knochenmark erhalten hatten, entwickelten chronische GvHK, während kein Patient nach ATCG-Inkubation des Knochenmarkes eindeutige GvH-Krankheit bekam. Sechs Patienten leben in Vollremission zwischen einem und 33 Monaten nach Knochenmarktransplantation (KMT). Fünf Patienten starben mit Rezidiven zwischen 3 1/2 und 24 Monaten nach KMT, drei Patienten mit interstitieller Pneumonie innerhalb von 3 Monaten nach KMT und drei Patienten innerhalb von 4 Wochen ohne ausreichende Knochenmarkfunktion. Vier von 13 Patienten, die vor mehr als 6 Monaten transplantiert wurden, überleben zur Zeit 11, 14, 19 und 33 Monate in Vollremission. Unsere Ergebnisse bestätigen, daß selbst in fortgeschrittenen Stadien akuter Leukämie durch KMT noch langfristige Remissionen erreichbar sind.
    Notes: Summary Seventeen patients with relapsed, acute leukemia were grafted with bone marrow from HLA-identical siblings by the ‘Munich Cooperative Group for Bone Marrow Transplantation’ during the period from August 1975 to June 1980. The antileukemic and immunosuppressive conditioning treatment consisted of high doses of Bischlorethyl nitrosourea, Cytosine-Arabinoside and Cyclophosphamide, as well as, total body irradiation of about 9 Gy (midline body dose) from dual60Cobalt sources. Methotrexate was given to all patients for prophylaxis of graft-versus-host disease (GvHD). Nine patients received marrow that was treated with anti-T-cell globulin (ATCG) “in vitro”. — Crossreacting antibodies against hemopoietic stem cells were removed by absorption. Two of 5 evaluable patients given untreated marrow developed chronic GvHD, while patients given ATCG-treated marrow did not show unequivocal symptoms of GvHD. Six patients are in complete remission one to 33 months following bone marrow transplantation (b.m.t.) Five patients died with relapses of leukemia between 3 1/2 and 24 months following b.m.t., 3 patients died with interstitial pneumonia within 3 months of b.m.t. and 3 patients died with insufficient graft function within 4 weeks of b.m.t. Four of thirteen patients that were grafted more than 6 months ago are presently alive and in continuous complete remission at 11, 14, 29 and 33 months following b.m.t. Our results confirm that longterm remissions can be obtained with b.m.t. in patients with acute leukemia in advanced stage.
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  • 5
    ISSN: 1432-1440
    Keywords: Bone marrow transplantation ; Aplastic anaemia ; Knochenmarktransplantation ; Aplastische Anämie
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Zusammenfassung Im Rahmen der Arbeitsgemeinschaft Knochenmarktransplantation — München (AG-KMT) wurden vom März 1975 bis Mai 1980 insgesamt 12 Patienten wegen schwerer, aplastischer Anämie mit Knochenmarktransplantation (KMT) behandelt. Sechs Patienten überleben derzeit mit normalem Blutbild und Knochenmark zwischen 10 Monaten und mehr als 5 Jahren nach KMT von HLA-identischen Geschwistern, eine Patientin steht noch in ambulanter Behandlung wegen lokalisierter, chronischer Graft-versus-Host Krankheit (GvHK), fünf Patienten sind klinisch gesund. Sechs Patienten starben, ein Patient starb am Tag vor KMT mit Hirnblutung, drei Patienten 32, 40 und 55 Tage nach KMT an den Folgen der Transplantatabstoßung, einer an schwerer GvHK 85 Tage nach KMT und einer 87 Tage nach KMT vermutlich an interstitieller Pneumonie nach Hirnblutung. Drei von 6 Patienten, die nur mit Cyclophosphamid (CY) vorbehandelt waren, starben infolge Abstoßung des Transplantates. Zwei erwachsene Patienten, die mit CY und „total lymphoid irradiation“ vorbehandelt waren, und drei Kinder, die nach KMT unbestrahlte Leukocytenkonzentrate von Knochenmarkspender erhalten hatten, stießen das Transplantat nicht ab. Die Ergebnisse der AG-KMT sind vergleichbar denen großer, spezialisierter Zentren für KMT und zeigen die Möglichkeiten einer Heilung schwerer aplastischer Anämien durch KMT von HLA-identischen Geschwistern. Die Erfolge sind besser bei frühzeitiger KMT.
    Notes: Summary From March 1975 until May 1980 twelve patients with severe aplastic anemia were grafted with bone marrow from HLA-identical siblings by the Munich Cooperative Group for Bone Marrow Transplantation. Six patients are alive between 10 months and more than 5 years after grafting with normal blood values and marrow. One patient is treated as an out patient for chronic localized graft-versus-host disease (GvHD), five patients are well and without treatment. Six patients have died, one patient with a cerebral hemorrhage the day before transplantation, three patients following rejection of grafts 32, 40 and 55 days after grafting, one patient with severe GvHD 85 days after grafting and one patient, probably with interstitial pneumonia, following cerebral hemorrhage. Three of 6 patients who were conditioned with Cyclophosphamide (CY) only died following rejection of the graft. Two adults who were conditioned with CY and “total lymphoid irradiation” and three children, who were given unirradiated leukocyte concentrates from the marrow donor after grafting, did not reject their grafts. The results of the Munich-Cooperative Group for Bone Marrow Transplantation are comparable to those of large, specialized centers for bone marrow transplantation, they indicate possibilities of cure of severe aplastic anemia by marrow grafts from HLA-identical siblings. They confirm that better results are obtained with earlier transplantation in the course of the disease.
    Type of Medium: Electronic Resource
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  • 6
    ISSN: 1432-1440
    Keywords: Bone-marrow-transplantation ; Acuteleukemia ; Aplastic-anemia ; Paroxysmal-nocturnal-hemoglobinuria
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Eleven adults have been transplanted for various reasons between July 1979 and July 1982: 2 with aplastic anemia (AA), 1 with paroxysmal nocturnal hemoglobinuria (PNH), 8 with acute leukemia (AL). Four patients suffered from acute lymphocytic leukemia (ALL) and four from acute non-lymphocytic leukemia (ANLL). Two of them were transplanted in relapse, 1 in a partial remission, and 5 in complete remission. All patients were in their late stage of disease. The PNH-patient had an identical twin, 8 patients had an HLA- and MLC compatible sib, 1 an unrelated donor, and 1 was transplanted from his father. Four patients are alive, 2 more than 3 years: 1 with AA and 1 with ALL who was transplanted in relapse. Six patients died of infectious complications (4 of interstitial pneumonia, 1 of a candidasepsis, 1 of acute toxoplasmosis). Patients living more than 3 weeks had a take. Acute graft-versus-host (GvH) disease did not present a major problem. All patients received methotrexate for GvH-prophylaxis, in three instances the marrow was additionally pre-incubated with anti-T-cell globulin.
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  • 7
    ISSN: 1365-2133
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Summary Chronic graft-versus-host disease after bone marrow transplantation presents, in a few cases, as mild to severe scleroderma-like changes. Patients with chronic graft-versus-host disease with and without sclerodermatous skin changes were analysed for antinuclear autoantibodies (ANA) and antinucleolar autoantibodies (ANoA) and the results correlated with disease symptoms and histocompatibility locus antigen (HLA) pattern. Nineteen patients with chronic graft-versus-host disease and scleroderma-like skin changes. 18 with chronic graft-versus-host diseae without scleroderma. and 17 controls on immunosuppressive treatment were screened for ANA and ANoA using enzyme-linked immunosorbent assay, immunodiffusion and immunoblot techniques. Four patients with severe scleroderma had antibodies to topoisomerase I. two had antibodies against PM-Scl. both characteristic serological findings in idiopathic systemic scleroderma. One patient had La/SSB antibodies and, in three cases, antibodies to the nucleolar antigen C23 (nucleolin) could be identified. A possible correlation between antinucleolin antibodies and disease activity was observed. HLA-Al. -B1. and -B2 were found significantly more often in patients with scleroderma-like symptoms in comparison to patients without scleroderma-like symptoms. Chronic graft-versus-host disease with seleroderma-like manifestations can be associated with the occurrence of ANA specific for idiopathic scleroderma. The development of seleroderma after bone marrow transplantation might have a HLA-linked genetic background.
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  • 8
    ISSN: 1365-3083
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Functional dendritic cells (DC) are professional antigen-presenting cells (APC) and can be generated in vitro from healthy as well as from leukaemic cells from acute myeloid leukemia (AML) patients giving rise to APC of leukaemic origin-presenting leukaemic antigens. We describe the generation and characterization of DC from different mononuclear cell (MNC) fractions from 50 AML patients under different serum-free culture conditions, determine the optimal culture conditions and compare the results with that from 23 healthy donors. In parallel cultures, we compared DC harvests after 7- or 14-day culture, with total or adherent MNC or T-cell depleted MNC or peripheral blood (PB) or bone marrow-MNC (BM–MNC), thawn or fresh MNC, in Xvivo or CellGro serum-free media, ±10% autologous plasma or ±FL. In detail, we could show that AML–DC harvests were higher after 10–14 days culture (healthy DC: 7 days); total or adherent PB or BM–MNC fractions yield comparable DC counts, however, from magnetic cell sorting (MACS)-depleted MNC fractions or thawn MNC lower DC counts can be generated. Whereas the addition of FL increases the DC harvest, the addition of autologous plasma in many cases has inhibitory influence on DC maturation. CellGro and Xvivo media yield comparable DC counts. Optimal harvest of vital and mature DC from AML samples was obtained with a granulocyte/macrophage-colony stimulating factor, interleukin-4, FL and tumour necrosis factor-α-containing serum-free Xvivo medium after 10–14 days of culture (36/26% DC; 38/64% vital DC; 46/51% mature DC were generated from AML/healthy MNC samples). Surface marker profiles (e.g. costimulatory antigen expressing) of DC obtained from AML samples were comparable with that of healthy DC. The leukaemic derivation of AML–DC was demonstrated by the persistence of the clonal cytogenetic aberration in the DC or by coexpression of leukaemic antigens on DC. Autologous T-cell activation of leukaemia-derived DC was demonstrated in cases with AML. Autologous T cells proliferate and upregulate DC-contact-relevant antigens. We demonstrate that the generation of leukaemia-derived DC is feasable in AML under serum-free culture conditions giving rise to DC with comparable characteristics as healthy DC and offering an anti-leukaemia-directed immunotherapeutical vaccination strategy in AML.
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  • 9
    ISSN: 1365-3083
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Functional dendritic cells (DC) are professional antigen-presenting cells (APC) and can be generated in vitro from healthy as well as from leukaemic cells from AML patients giving rise to APC of leukaemic origin presenting leukaemic antigens. In a comparative methodological analysis of 50 AML samples, we could already show that leukaemia-derived DC can regularly be generated under serum-free culture conditions. In this study, we describe the generation and characterization of DC from different mononuclear cell (MNC) fractions from 24 myelodysplastic syndrome (MDS) patients under those different serum-free culture conditions, determine the optimal culture conditions and compare the results with that from 23 healthy donors. In parallel cultures, we compared DC harvests after 7- or 14-day culture, with total or adherent MNC or T-cell-depleted MNC or PB or BM–MNC, thawn or fresh MNC, in Xvivo or CellGro serum-free media, ±10% autologous plasma or ±FL. In detail, we could show that MDS–DC harvests compared to healthy DC were higher after 10- to 14-day culture; total or adherent PB or BM–MNC fractions yield comparable DC counts; however, from MACS-depleted MNC fractions or thawn MNC lower DC counts can be generated. Whereas the addition of FL increases the DC harvest, the addition of autologous plasma in many cases has inhibitory influence on DC maturation, CellGro and Xvivo media yield comparable DC counts. Optimal harvest of vital and mature DC from MDS samples was obtained with a GM-CSF, IL-4, FL and TNF-α containing serum-free Xvivo medium after 10–14 days of culture (18/26% DC; 54/64% vital DC; 59/51% mature DC were generated from MDS/healthy MNC samples). Surface marker profiles (e.g. costimulatory antigen expression) of DC obtained from MDS samples were comparable with that of healthy DC. The leukaemic derivation of MDS–DC was demonstrated by the persistence of the clonal cytogenetic aberration in the DC or by coexpression of leukaemic antigens on DC. Autologous T-cell activation of leukaemia-derived DC was demonstrated in cases with MDS. Autologous T cells proliferate and upregulate DC-contact-relevant antigens. We are the first who demonstrate that the generation of leukaemia-derived DC is feasible not only in AML but also in MDS under serum-free culture conditions giving rise to DC with comparable characteristics as healthy DC and offering an antileukaemia-directed immunotherapeutical vaccination strategy in AML and MDS.
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  • 10
    ISSN: 1435-1285
    Keywords: Key words PTCA –¶stent implantation –¶quantitative coronary angiography –¶fractional flow reserve –¶coronary flow reserve ; Schlüsselwörter PTCA –¶Stentimplantation –¶quantitative Koronarangiographie – fraktionelle Flussreserve –¶koronare Flussreserve
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Zusammenfassung Fragestellung: Eine fraktionelle Flussreserve (FFRmyo) 〈0,75 ist ein validierter Parameter für die Relevanz von Koronarstenosen, wenn die Myokardfunktion normal ist. Wir verwendeten den FFRmyo-Grenzwert bei Patienten mit gestörter Myokardperfusion (Myokardinfarkt und/oder Hypertonie) bei 50%-igen LAD-Stenosen als Indikation zur PTCA und überprüften diese Entscheidung nach dem klinischen Follow-Up. Patienten/Methodik: Wir untersuchten 20 Patienten (5 Frauen) mit visuell 50% LAD-Stenosen. Diese wurden mittels QCA durch den minimalen Stenose-Diameter und den Stenosegrad charakterisiert, die fraktionelle Flussreserve wurde mit dem RADI- Druckmessdraht bei 12mg Papaverin i.c. gemessen. Die CFR wurde densitometrisch bestimmt. Die Vorderwandkinetik wurde durch die relative Radialachsenverkürzung der Anterolateralregion aus dem Laevogramm quantifiziert. Ergebnisse: Das mittlere Alter aller Patienten war 59 Jahre, 13 Patienten (65%) hatten eine Hypertonie, 9 (45%) eine Infarktanamnese. Der mittlere Stenosegrad war 50,8%. Die koronare Flussreserve betrug im Mittel 2,9, die FFRmyo 0,78 (0,66–0,90). 12 Patienten (60%, Gruppe A) mit FFRmyo≥0,75 wurden konservativ therapiert, die 8 übrigen Patienten (40%, Gruppe B) mit FFRmyo〈0,75 erhielten eine PTCA. 1 Patient mit Instent-Restenose wurde ausschließlich mit Ballondilatation behandelt, bei den 7 Patienten mit Denovo-Stenosen wurden Stents implantiert. Signifikante Unterschiede (p〈0,05) zwischen den Gruppen A und B gab es bei der Gesamtzahl der Myokardinfarkte (8/12 vs. 1/8) und dem Stenosegrad (48,5% vs. 54,3%), in Gruppe B war dieser stets ≥50%. Die CFR korrelierte signifikant mit der relativen Radialachsenverkürzung (r=0,75), dem Minimaldiameter (r=0,51) und dem Grad der Stenosen (r=–0,46), die FFRmyo nur mit letzterem (r=–0,47). Bei den mit Stent behandelten Patienten erfolgte nach 3–6 Monaten (Mittel 4,7) ein Kontrollkoronarographie. Alle mit PTCA behandelten Patienten wurden primär beschwerdefrei bzw. besserten sich um mindestens 1 CCS-Stadium. Ein Patient entwickelte nach 2 Monaten erneut eine Angina pectoris und zeigte ein 74%ige Instent-Restenose. Die nur medikamentös therapierten Patienten blieben stabil. Schlussfolgerungen: Auch Patienten mit gestörter Myokardperfusion und nur 50%igen LAD-Stenosen profitieren bei FFRmyo〈0,75 und bei optimalem Primärergebnis klinisch von einer PTCA. Unabhängig von der FFRmyo ist ein Stenosegrad ≥50% ein obligatorisches Kriterium für hämodynamisch relevante Stenosen, bei mittelgradigen Einengungen ist dieser Grenzwert nur mittels QCA ausreichend genau bestimmbar. Die CFR ist für eine Entscheidung zur PTCA bei mittelgradigen Stenosen allenfalls bedingt geeignet, da nur ein Normalwert diagnostisch relevant ist.
    Notes: Summary Background: A fractional flow reserve (FFRmyo) 〈0.75 is a well validated parameter for significance of coronary stenoses in cases of normal myocardial function. We used the FFRmyo limit in patients with impaired myocardial perfusion by myocardial infarction and/or hypertension for intermediate stenoses of the LAD for decision to PTCA and checked the indication by clinical follow-up. Methods: In 20 pts (5 women) with chest pain and visual 50 D% LAD stenoses, the FFRmyo was obtained by using a RADI-Pressure-Wire, the CFR by a densitometric technique (HODGSON), and the geometry of stenosis (minimal lumen diameter and diameter stenosis) by quantitative coronary angiography (QCA). EF and the kinetics of the anterolateral wall (expressed as radial shortening fraction) were measured by laevography. Results: The mean age of our 20 pts. was 59.4 years: 13 of the pts. (65%) had a history of hypertension, 9 (45%) pts. a history of myocardial infarction. The mean diameter stenosis was 50.8%. The mean value of CFR was 2.9. The FFRmyo ranged from 0.66 to 0.90, the mean value was 0.78. The 12 pts. with FFRmyo≥0.75 (60%, group A) were treated with the usual antianginal medications. A PTCA was performed only in patients with FFRmyo〈0.75 (N=8 (40%), group B). Except for one pt. with instent restenosis, in the 7 pts. with denovo stenoses stent implantation was performed. Significant differences between the groups A and B were seen only for the total number of myocardial infarctions (8/12 vs. 1/8) and diameter stenosis (48.5% vs. 54.3%). All lesions of group B had a diameter stenosis of 50% or higher. CFR correlated significantly with the radial shortening fraction (r=0.75), minimal lumen diameter (r=–0.51) and diameter stenosis (r=–0.46). FFRmyo correlated with diameter stenosis (r=–0.47) only. All pts. treated with PTCA were primarily free of pain or reduced angina at least 1 CCS stage; only one developed an angina due to a restenosis (74D%) 2 months after PTCA and stent implantation. The pts. of group A did not get worse, nor were they readmitted within 6 to 13 months after catheterization. Conclusions: Pts. with 50 D% stenoses, impaired myocardial perfusion and FFRmyo〈0.75 had a good long-term benefit concerning clinical and angiographic result. No pts. with FFRmyo〈0.75 had a D% lower than 50; therefore, the PTCA of intermediate stenoses without quantification must be avoided. CFR is not helpful for a decision to PTCA in such cases, because a normal value of CFR is relevant only.
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