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Table 2 Determination Criteria for Methylene Blue (MB) Group and Non-Methylene Blue (Non-MB) Group

From: The additional use of methylene blue has a decatecholaminisation effect on cardiac vasoplegic syndrome after cardiac surgery

MB Group Non-MB Group
• Single MB administration in ICU
• MB administration in ICU ≤ 24 h after arrival
• No MB administration in ICU
• Norepinephrine ≥0.8 mg/h at least once in ICU ≤ 24 h after admission
  1. MB Methylene blue, ICU Intensive care unit