An inhibitor of inducible nitric oxide synthase decreases forearm blood flow in patients with congestive heart failure
Yutaka Ishibashi, MD*,*,
Toshio Shimada, MD*,
Yo Murakami, MD*,
Nobuyuki Takahashi, MD*,
Takeshi Sakane, MD*,
Takashi Sugamori, MD*,
Shuzo Ohata, MD*,
Shin-ichi Inoue, MD*,
Yoko Ohta, MD*,
Ko Nakamura, MD*,
Hiromi Shimizu, MD*,
Harumi Katoh, MD* and
Michio Hashimoto, MD
* Fourth Department of Internal Medicine, Izumo, Japan
Department of Physiology, Shimane Medical University, Izumo, Japan

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Figure 1 Percent change from baseline in the forearm blood flow (FBF) ratio between the infused and noninfused arms during intra-arterial infusion of aminoguanidine (left) and NG-monomethyl-L-arginine (L-NMMA) (right) in individual patients with congestive heart failure.
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Figure 2 Time course of forearm blood flow (FBF) after finishing infusion of the last dose of aminoguanidine in 13 patients with congestive heart failure. Data are presented as the mean value ± SD.
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Figure 3 Percent change from baseline in the forearm blood flow (FBF) ratio between the infused and noninfused arms during intra-arterial infusion of acetylcholine under co-infusion of saline, aminoguanidine or NG-monomethyl-L-arginine (L-NMMA) in five normal subjects. *p < 0.001 vs. corresponding saline value.
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