From: Severe electrolyte disorders following cardiac surgery: a prospective controlled observational study
Parameter | Group 1 | Group 2 | P |
---|---|---|---|
Number of patients | 500 | 250 | Â |
Age (years) | 59.9 ± 23.2 | 60.3 ± 28.6 | NS |
ICU mortality | 5.8% | 4.0% | P < 0.01 |
Preoperative serum creatinine levels (μmol/l) | 89 (range 53–131) | 104 (range 64–153) | P < 0.01 |
Patients treated with dopamine | 100% | 15% (n = 37) | P < 0.001 |
Average dose of dopamine | 5.7 μg/kg per min | 6.9 μg/kg per min | P < 0.02 |
Patients treated with furosemide during surgery and/or in the 12-hour period preceding surgery | 35% (n = 176) | 25% (n = 63) | P < 0.01 |
Average dose of furosemide | 16.7 mg | 17.2 mg | NS |
Rectal temperature at ICU admission | 34.6°C | 36.0°C | P < 0.001 |
Patients requiring antiarrhythmic medication (amiodarone, sotalol or other β blocker)a | 189 (38%) | 26 (10%) | P < 0.001 |