Perioperative Risks of Dietary and Herbal Supplements



Patients undergoing surgery often use Dietary and Herbal Supplements (DHS). We explored the risk of DHS–drug interactions in the perioperative setting.


In this cross-sectional prospective study, participants hospitalized for surgery completed a questionnaire regarding DHS use. We used pharmacological databases to assess DHS–drug interactions. We then applied univariate and multivariate logistic regression analyses to characterize patients at risk for DHS–drug interactions.


Of 526 interviewees, 230 (44%) patients reported DHS use, with 16.5% reporting using DHS that could potentially interact with anesthesia. Twenty-four (10%) patients used DHS that could potentially interact with antithrombotic drugs taken perioperatively. The medical files of three patients included reports of intraoperative bleeding. The patient files of only 11% of DHS users documented DHS use.


DHS use poses a significant health risk due to potential interactions. Guidelines should emphasize perioperative management of DHS use.

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We thank Ms. Silvi Auerbach, Ms. Rita Stern, Ms. Anat Melamed, Ms. Ramzia Sarouzi, Ms. Alexandra Kamladi-nov, Ms. Shani Shitrit, Ms. Nur Zahawa, Ms. Wafa Halabi, Ms. Rana Huri, Ms. Riham Hanifes, Ms. Missa Abu-Hussein, Ms. Rachel Alberg, Ms. Meital Attias, Ms. Yulia Korshov, Ms. Dikla Cogan, Ms. Marina Ukon, Ms. Michal Fassoua, Ms. Einav Kadour, Ms. Inbal Halabi, Ms. Shlomit Grimberg, Ms. Sarah Ben Shlosh and Ms. Myriam Rosenblum for their contribution in interviewing patients; Ms. Ilana Merhav and Ms. Tanya Kligerman for their assistance in the literature search; Ms. Ronit Leiba for the statistical processing.

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Correspondence to Ilana Levy.

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Ilana Levy and Samuel Attias have contributed equally to this work.

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Levy, I., Attias, S., Ben-Arye, E. et al. Perioperative Risks of Dietary and Herbal Supplements. World J Surg 41, 927–934 (2017).

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