A super‐geriatric patient with gastrostomy underwent life‐threatening prothrombin time‐international normalized ratio prolongation by warfarin following fasting and antibiotic therapy
Misa Saeki,
Ayako Watanabe,
Kenji Momo
et al.
Abstract:Key Clinical MessageA 97‐year‐old woman with gastrostomy had a drastic enhancement for PT‐INR after starting antibiotic therapy. Possible causes include (1) vitamin K deficiency due to fasting and (2) a combination of warfarin and antibiotics.AbstractGeriatric and Asian‐descent patients are more sensitive to the effects of warfarin, a key anticoagulant drug. In this report, we present a 97‐year‐old bedridden woman being treated with warfarin for cardiogenic cerebral infarction and femoral neck replacement as p… Show more
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