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KMID : 0385920190300060529
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Journal of the Korean Society of Emergency Medicine
2019 Volume.30 No. 6 p.529 ~ p.536
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Short-term hemodynamic response to calcium supplementation in patients with refractory septic shock: a retrospective observational study
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Chang Han-Sol
Hwang Sung-Yeon
Park Jong-Eun
Kim Tae-Rim
Park Joo-Hyun
Yoon Hee
Cha Won-Chul
Sim Min-Seob
Jo Ik-Joon
Shin Tae-Gun
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Abstract
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Objective: Research on calcium use as an adjunctive rescue therapy for refractory septic shock is limited. In this study, we aimed to investigate the short-term hemodynamic response after calcium supplementation in patients with refractory septic shock.
Method: This was a single-center, retrospective study of patients who presented to the Emergency Department from October 2014 through February 2018. Patients with refractory septic shock requiring norepinephrine-equivalent (NE) dose ≥ 0.5 μg/kg/min and receiving calcium supplementation, were included in the analysis. Patients were categorized into response group and no-response group, based on the changes in NE doses and mean arterial pressure after calcium administration. A multivariable logistic regression model was used to evaluate the association between hemodynamic response and 28-day survival.
Results: A total of 66 patients were included in the study. Of these, 34 patients (52%) were classified as the response group, and 32 patients (48%) encompassed the no-response group (17 patients who deteriorated and 15 patients who had no significant changes in the clinical status). The 28-day mortality was determined to be 44% in the response group and 63% in the no-response group (P=0.14). Multivariable analysis revealed that the response group had a significant association with lower 28-day mortality (adjusted odds ratio, 0.23; 95% confidence interval, 0.06-0.89; P=0.03).
Conclusion: Short-term hemodynamic changes after calcium administration were variable in patients with refractory septic shock. Hemodynamic improvement after calcium supplementation may be associated with better survival. Further studies are required to determine when calcium supplementation needs to be considered, and how it impacts patientcentered outcomes in refractory septic shock.
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KEYWORD
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Calcium, Septic shock, Refractory shock, Vasopressor therapy, Hypotension
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