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甲氧苄啶-磺胺甲恶唑对巨幼细胞造血患者的毒性

Toxicity of trimethoprim-sulphamethoxazole in patients with megaloblastic haemopoiesis.

作者信息

Chanarin I, England J M

出版信息

Br Med J. 1972 Mar 11;1(5801):651-3. doi: 10.1136/bmj.1.5801.651.

Abstract

Four consecutive patients with megaloblastic anaemia who also received therapy with trimethoprim-sulphamethoxazole all showed poor responses to specific haematinic therapy. This was attributed to trimethoprim, which suppressed reticulocyte responses in three cases and produced a pancytopenia in two and a falling haemoglobin with neutropenia in a third. A fourth patient, with pernicious anaemia, had a satisfactory reticulocyte response but experienced no clinical benefit until after withdrawal of trimethoprim.Trimethoprim seems not to be a safe form of therapy in patients with a megaloblastic process; many of the toxic reactions reported with this drug may be on the basis of an unrecognized megaloblastic form of haemopoiesis.

摘要

连续四位患有巨幼细胞贫血且接受了甲氧苄啶 - 磺胺甲恶唑治疗的患者,对特定的造血素治疗均反应不佳。这归因于甲氧苄啶,它在三例患者中抑制了网织红细胞反应,在两例患者中导致全血细胞减少,在第三例患者中导致血红蛋白下降伴中性粒细胞减少。第四例患有恶性贫血的患者,网织红细胞反应令人满意,但直到停用甲氧苄啶后才获得临床益处。甲氧苄啶似乎并非巨幼细胞病变患者的安全治疗方式;该药物报道的许多毒性反应可能基于未被识别的巨幼细胞造血形式。

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本文引用的文献

1
Thrombocytopenia and agranulocytosis following "septrin".
Practitioner. 1969 Apr;202(210):553-4.
3
Thrombocytopenia following administration of "septrin".
Med J Aust. 1970 Oct 17;2(16):754. doi: 10.5694/j.1326-5377.1970.tb63154.x.
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Effects of trimethoprim on folate metabolism in man.
Clin Pharmacol Ther. 1968 Sep-Oct;9(5):550-60. doi: 10.1002/cpt196895550.
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Drug neutropenia.药物性中性粒细胞减少症
Br Med J. 1970 May 9;2(5705):364. doi: 10.1136/bmj.2.5705.364-c.
7
Trimethoprim and sulphamethoxazole.甲氧苄啶和磺胺甲恶唑。
Br Med J. 1971 Nov 6;4(5783):364. doi: 10.1136/bmj.4.5783.364-c.

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