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10-11-2017 | Original Article | Uitgave 12/2017 Open Access

Netherlands Heart Journal 12/2017

Can we spice up our Christmas dinner?

Busting the myth of the ‘Chinese restaurant syndrome’

Tijdschrift:
Netherlands Heart Journal > Uitgave 12/2017
Auteurs:
N. W. E. van den Berg, J. Neefs, W. R. Berger, S. W. E. Baalman, E. Meulendijks, M. Kawasaki, E. M. Kemper, F. R. Piersma, M. W. Veldkamp, R. Wesselink, S. P. J. Krul, J. R. de Groot
Belangrijke opmerkingen

Electronic supplementary material

The online version of this article (https://​doi.​org/​10.​1007/​s12471-017-1053-5) contains study inlcusion and exclusion criteria and recipe of Peking duck, which is available to authorized users.
Both Van den Berg and Neefs are first author of the manuscript, as they have written the manuscript together.
S.P.J. Krul and J.R. de Groot contributed equally to the manuscript.
All authors have contributed to the conception of the study, have either drafted or critically reviewed the manuscript and all have approved the final version of the manuscript.

Abstract

Background

Monosodium glutamate (MSG), also referred to as Vetsin or E621, is a flavour enhancer frequently used in Asian cuisine and abundantly present in the famous Chinese dish Peking duck. MSG is notorious for triggering the onset of the so-called ‘Chinese restaurant syndrome’ (CRS), a complex of unpleasant symptoms, which might include flushing, sweating and the onset of atrial fibrillation (AF). This study aims to determine the effects of MSG on the occurrence of AF.

Methods

We conducted a placebo self-controlled single-arm study in the Academic Medical Centre in Amsterdam. We included paroxysmal AF patients who reported a consistent onset of AF upon MSG intake. During three admissions, participants were subsequently administered: placebo, 1.5 g and 3 g MSG. If AF was recorded after the dose of 1.5 g MSG, patients were given another placebo instead of 3 g MSG. The primary outcome was the onset of AF registered by 24-hour Holter monitoring. The secondary outcomes were any other arrhythmia and the onset of CRS defined as two or more symptoms of CRS after MSG intake.

Results

Six men participated in the study. Both 1.5 g and 3 g MSG were unrelated to CRS, arrhythmias or AF occurrence.

Conclusion

Peking duck can be put on the Christmas menu without risking guests to be admitted to the emergency department with new episodes of AF.

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Netherlands Heart Journal

Het Netherlands Heart Journal wordt uitgegeven in samenwerking met de Nederlandse Vereniging voor Cardiologie en de Nederlandse Hartstichting. Het tijdschrift is Engelstalig en wordt gratis beschikbaa ...

Extra materiaal
Supplementary A. Study inlcusion and exclusion criteria; Supplementary B. Recipe of Peking duck
12471_2017_1053_MOESM1_ESM.doc
Literatuur
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Rhythm Puzzle - Answer

Snow white