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  • 1
    ISSN: 1432-0711
    Keywords: Keywords Fertility ; Malignant ovarian tumor ; Preservative operation ; Adjuvant chemotherapy ; Germ cell tumor
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract  The fertility and pregnancy outcomes of the patients were studied, who previously underwent preservative operation for malignant tumors, including those of borderline malignancy, in our ward from 1981 to 1995. For each of the 9 patients, unilateral ovary was preserved, the range of their ages before operation was 10 to 28 years old, and histologically, 7 patients had tumors derived from germ cells, and 2 had those from epithelial cells. As for clinical stages according to the FIGO’s criteria, 5, 1, 2 and 1 patients were in stage I, II, III and IV, respectively. The regimens of the combination chemotherapy for patients with germ cell tumors were PVB (cisplatin, vinblastine and bleomycin), PEP (cisplatin, etopside and pepleomycin), PVP (cisplatin, vinblastine and pepleomycin), AVAC (doxorubicin, vincristine, actinomycin-d and cyclophosphamide). Those for the patient with epithelial tumors were CAP (cyclophosphamide, doxorubicin and cisplatin), CP (cyclophosphamide and cisplatin). Eight patients have been doing well, although 1 of them experienced recurrence and died. Amenorrheic periods of 2 to 12 months were noticed in 3 patients, although in all of them, ovulatory cycles recovered. Eight pregnancies were reported: 5 term delivery with normal babies, and others were preterm termination due to abruptio placenta with a baby of appropriate for date, spontaneous abortion, and artificial termination. We suppose that the combination chemotherapy applied for the patients in the present study affected neither the fertility of the patients nor the outcomes of the pregnancies.
    Type of Medium: Electronic Resource
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  • 2
    ISSN: 1615-2573
    Keywords: Key words Ischemic preconditioning ; Infarct size ; Adenosine transport inhibitor
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Recent studies have indicated the key role of adenosine receptor activation as a trigger for ischemic preconditioning (PC). Hence, the augmentation of endogenous adenosine may potentiate the cardioprotective effects of PC. In this study, we aimed to test the hypothesis that dilazep dihydrochloride, an adenosine transport inhibitor, potentiates the PC effect. Protocol 1: Infarcts were produced in open-chest anesthetized rabbits by 30-min occlusion of a coronary artery and 2 days' reperfusion. PC was elicited by a preceding 5-min occlusion and either 5, 40, or 120 min of reperfusion. PC with the 5-min reperfusion markedly limited the infarct size after the 30-min ischemia (infarct size to area at risk (IS): 10% ± 3% vs 41% ± 3%, P 〈 0.05). PC was not protective when the reperfusion periods were 40 or 120 min (IS: 47% ± 5% and 44% ± 3%, P = not significant (NS) vs control, respectively). However, concomitant treatment with dilazep (0.2 mg/kg) preserved the PC effect in the 40-min reperfusion group (18% ± 5%, P 〈 0.05 vs control) but not in the 120-min reperfusion group (43% ± 4%, P = NS vs control). Protocol 2: Infarct was produced in a similar rabbit model by either a 45- or 50-min occlusion of a coronary artery and 2 days of reperfusion. PC was elicited by a preceding 5-min occlusion and a 5-min reperfusion. PC was protective in the 45-min occlusion group (30% ± 7% vs 67% ± 3%, P 〈 0.05) but not in the 50-min occlusion group (74% ± 4% vs 79% ± 5%, P = NS). Treatment with dilazep (0.2 mg/kg) failed to retrieve protection in this preconditioned group (77% ± 6%, P = NS vs 50-min occlusion group without PC). Thus, dilazep prolonged the infarct size-limiting effect of PC, but failed to retrieve protection in the group with a longer sustained ischemia.
    Type of Medium: Electronic Resource
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