Journal of Chest Surgery

The Korean Society for Thoracic and Cardiovascular Surgery (대한심장혈관흉부외과학회)
권호 표지

Effect of Serum magnesium Concentration on Postoperative Arrhythmias after Open Heart Surgery

혈중 마그네슘 농도가 개심술후 부정맥의 발생에 미치는 영향

  • Kang, Chang-Hyun (Department of Thoracic and Cardiovascular Surgery, Seoul National University Hospital, Seoul National University College of Medicine) ;
  • Huh, Jae-Hak (Department of Thoracic and Cardiovascular Surgery, Seoul National University Hospital, Seoul National University College of Medicine) ;
  • Kim, Ki-Bong (Department of Thoracic and Cardiovascular Surgery, Seoul National University Hospital, Seoul National University College of Medicine) ;
  • Kim, Won-Gon (Department of Thoracic and Cardiovascular Surgery, Seoul National University Hospital, Seoul National University College of Medicine) ;
  • Ahn, Hyuk (Department of Thoracic and Cardiovascular Surgery, Seoul National University Hospital, Seoul National University College of Medicine) ;
  • Kim, Joo-Hyun (Department of Thoracic and Cardiovascular Surgery, Seoul National University Hospital, Seoul National University College of Medicine) ;
  • Kim, Chong-Whan (Department of Thoracic and Cardiovascular Surgery Sejong General Hospital)
  • 강창현 (서울대학교 병원 흉부외과, 서울대학교 의과대학 흉부외과학교실) ;
  • 허재학 (서울대학교 병원 흉부외과, 서울대학교 의과대학 흉부외과학교실) ;
  • 김기봉 (서울대학교 병원 흉부외과, 서울대학교 의과대학 흉부외과학교실) ;
  • 김원곤 (서울대학교 병원 흉부외과, 서울대학교 의과대학 흉부외과학교실) ;
  • 안혁 (서울대학교 병원 흉부외과, 서울대학교 의과대학 흉부외과학교실) ;
  • 김주현 (서울대학교 병원 흉부외과, 서울대학교 의과대학 흉부외과학교실) ;
  • 김종환 (부천세종병원 흉부외과)
  • Published : 2000.01.01
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Abstract

Background: Magnesium is one of the important intracellular cations. Hypomagnesemia is common after an open heart surgeryand may affect the development of posoperative arrhythmias. The aims of this study were to identify 1) the severity of the hypomagnesemia 2) the adequate dose of the magnesium replacement and 3) the effect of magnesium replacement on the postoperative arrhythmias. Material and Method: The serum magnesium level was measured in 20 patients in whom magnesium was replaced postopertively(6gm at the operative day 4gm at the 1st postoperative day and 2gm at the 2nd postoperative day) and compared with that of the 13 patients in whom magnesium was not replaced postopertively The serum magnesium level was normalized after magnesium replacement. We analyzed the development of arrhythmias in the patients groups who did not receive magnesium and were operated on between Oct. 1994 and Oct. 1995(Group I; n=206) and who received the magnesium postoperatively and were operated on between Nov. 1995 and Aug. 1996(Group II; n=133) Result: There were no differences in the preoperative risk factors and the rate of postoperative supraventricular or ventricular tachyarrhythmia occur-rences irrespectivel of the magnesium replacement. Magnesium replacement could prevent the aggrevation of the occurrence of postoperative arrhythmias in high risk groups of ventricular tachyarrhytnmia in old age but magnesium could not prevent postoperative arrhythmia in other high risk groups. Conclusion: The magnesium replacement after open heart surgery could prevent the development of ventricular tachyarrhythmias especially in old age groups but could not prevent atrial tachyarrhthmias.

Keywords

References

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