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Year : 2022  |  Volume : 12  |  Issue : 3  |  Page : 138-145

Comparison of the effects of vitamin C and thiamine on refractory hypotension in patients with sepsis: A randomized controlled trial

1 Department of Anesthesiology and Critical Care Medicine, Dr. Ram Manohar Lohia Institute of Medical Sciences, Lucknow, Uttar Pradesh, India
2 Department of Anesthesiology, Medanta Hospital, Lucknow, Uttar Pradesh, India

Correspondence Address:
Dr. Soumya Sankar Nath
Department of Anaesthesiology and Critical Care Medicine, Dr. Ram Manohar Lohia Institute of Medical Sciences, Vibhuti Khand, Lucknow - 226 010, Uttar Pradesh
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/ijciis.ijciis_107_21

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Background: The study aimed to compare the effect of thiamine and ascorbic acid (AA) on mortality, sequential organ failure assessment (SOFA) score, duration and dose of vasopressor support, and need for renal replacement therapy (RRT) in patients with septic shock with refractory hypotension. Methods: Consenting adult patients with septic shock and refractory hypotension were included in this study. Patients were divided into three groups: Group A received 100 ml of balanced salt solution 8 hourly, Group B received 2 mg/kg of thiamine 8 hourly, Group C received 25 mg/kg of AA 8 hourly intravenous (IV) for 72 h. All patients received IV infusion of hydrocortisone 200 mg/day for 72 h. Serum lactate, dose and duration of vasopressor support, SOFA score, need for RRT and hospital mortality were analyzed. Results: The SOFA Score was significantly lower in Group B than in Group A and C at 24, 48, and 72 h. Dosage of norepinephrine was lower in Group B at 66 h and after that, whereas in Groups A and C, it was comparable at all time points. Mortality in Group B was significantly lower but comparable in Groups A and C. The need for RRT was significantly lower in Group B (44%) compared to the control group (88%) but comparable in Group C (76%). Conclusion: In patients with septic shock treated with hydrocortisone, co-treatment with thiamine led to earlier correction of organ dysfunction, reduced need for RRT, and improved mortality compared to patients treated with AA or balanced salt solution. The addition of AA did not yield measurable benefits beyond hydrocortisone alone.

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