Infection and drug resistance · 2025
Prognostic Value of Procalcitonin and Procalcitonin Clearance in Septic Shock Patients: A Study from a Tertiary Teaching Hospital in Southern China.
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Liu Yao, Zhao Shuangping, Qin Zixi, Huang Xun
Аннотация
OBJECTIVE: This study aimed to evaluate the potential prognostic value of procalcitonin (PCT) and procalcitonin clearance (PCTc) among patients with septic shock.
METHODS: We conducted a prospective single-center observational study of septic shock patients admitted to the adult intensive care unit (ICU) of a tertiary teaching hospital in Southern China between January and December 2015. Serum PCT levels of surviving patients were measured at the onset of septic shock and subsequently on days 2 (24 h), 3 (48 h), 4 (72 h), and 5 (96 h), respectively. Similarly, PCTc on Days 2, 3, 4, and 5 were calculated to evaluate their prognostic performance.
RESULTS: One hundred and twenty-eight adult patients with septic shock were included in the study. There was no significant difference between PCT concentrations measured at a single time point in survivors and non-survivors. However, PCTc on Day 2, 3, and 5 were significantly higher in survivors than in non-survivors. The best area under the receiver operating characteristic curve (AUC) values for prognosis were 0.74 (95% CI, 0.59-0.88), 0.74 (95% CI, 0.61-0.86), and 0.72 (95% CI, 0.54-0.90), respectively. In the logistic regression analysis, PCTc-day 2 > 12.7% and PCTc-day 3 > 49.6% were identified as independent predictors of survival for patients with septic shock. However, PCTc-day 5 was not independently associated with survival. The best cutoff for PCTc-day 2 and day 3 were 12.7% and 49.6%, respectively.
CONCLUSION: Compared with PCTc, PCT demonstrated lower prognostic performance for the survival of patients with septic shock. However, PCTc on Day 2 and 3 were significantly associated with survival in patients with septic shock and may serve as valuable prognostic indicators.
METHODS: We conducted a prospective single-center observational study of septic shock patients admitted to the adult intensive care unit (ICU) of a tertiary teaching hospital in Southern China between January and December 2015. Serum PCT levels of surviving patients were measured at the onset of septic shock and subsequently on days 2 (24 h), 3 (48 h), 4 (72 h), and 5 (96 h), respectively. Similarly, PCTc on Days 2, 3, 4, and 5 were calculated to evaluate their prognostic performance.
RESULTS: One hundred and twenty-eight adult patients with septic shock were included in the study. There was no significant difference between PCT concentrations measured at a single time point in survivors and non-survivors. However, PCTc on Day 2, 3, and 5 were significantly higher in survivors than in non-survivors. The best area under the receiver operating characteristic curve (AUC) values for prognosis were 0.74 (95% CI, 0.59-0.88), 0.74 (95% CI, 0.61-0.86), and 0.72 (95% CI, 0.54-0.90), respectively. In the logistic regression analysis, PCTc-day 2 > 12.7% and PCTc-day 3 > 49.6% were identified as independent predictors of survival for patients with septic shock. However, PCTc-day 5 was not independently associated with survival. The best cutoff for PCTc-day 2 and day 3 were 12.7% and 49.6%, respectively.
CONCLUSION: Compared with PCTc, PCT demonstrated lower prognostic performance for the survival of patients with septic shock. However, PCTc on Day 2 and 3 were significantly associated with survival in patients with septic shock and may serve as valuable prognostic indicators.