Abstract
To evaluate blood flow in malignant uterine tumors during hypertensive intra-arterial chemotherapy.Hypertensive intra-arterial chemotherapy (angiotensin II, cisplatin 100 mg, doxorubicin 40 mg) was given to two women with cervical cancer (stage IVA) and seven with endometrial cancer (three stage IA, one stage IB, two stage II, and one stage III). The intratumoral blood flow velocity waveforms were imaged by transvaginal Doppler ultrasound before and during the chemotherapy in six patients.The mean peak systolic velocity during hypertensive intra-arterial chemotherapy (58.9 +/- 29.3 cm/second) was significantly higher than that before chemotherapy (16.0 +/- 6.3 cm/second) (P < .05). There was a significant difference between the end-diastolic velocity before (5.2 +/- 1.8 cm/second) and during chemotherapy (21.2 +/- 6.8 cm/second) (P < .05). The resistance index value during hypertensive intra-arterial chemotherapy (0.607 +/- 0.094) fell significantly from that before therapy (0.644 +/- 0.119) (P < .05). Blood flow velocity waveforms in normal myometrial tissue could be recorded in three cases; in all, the diastolic flow noted before hypertensive intra-arterial chemotherapy disappeared during chemotherapy.These results suggest that hypertensive intra-arterial chemotherapy induces a selective marked increase of blood flow in uterine cancer.
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