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. 2023 Oct 27;5(11):e0988.
doi: 10.1097/CCE.0000000000000988. eCollection 2023 Nov.

Adverse Events and Infectious Complications in the Critically Ill Treated by Plasma Exchange: A Five-Year Multicenter Cohort Study

Mickael François  1 , Delphine Daubin  1 , Dehbia Menouche  2 , Antoine Gaillet  3 , Judith Provoost  4 , Remi Trusson  5 , Romain Arrestier  3 , Olivier Hequet  6 , Jean-Christophe Richard  4 , Olivier Moranne  7 , Romaric Larcher  8   9 , Kada Klouche  1   9
Affiliations

Adverse Events and Infectious Complications in the Critically Ill Treated by Plasma Exchange: A Five-Year Multicenter Cohort Study

Mickael François et al. Crit Care Explor. .

Abstract

Objectives: The aim of this study was to determine, in critically ill patients treated with therapeutic plasma exchange (TPE), the incidence of adverse events as well as the incidence of secondary infections and its predictive factors.

Design: A multicenter retrospective cohort study of an intensive care population treated with TPE to collect adverse events and infectious complications. The characteristics of patients who developed an infection after plasma exchange were compared with those of patients who did not.

Setting: Four ICUs of French university hospitals.

Patients: All adults admitted between January 1, 2015, and December 31, 2019, who received at least one plasma exchange session were included.

Interventions: None.

Measurements and main results: A total of 711 TPE sessions were performed on 124 patients. The most frequent TPE indications were thrombotic microangiopathies (n = 32, 26%), myasthenia gravis (n = 25, 20%), and acute polyradiculoneuropathy (n = 12, 10%). Among the 124 patients, 22 (21%) developed arterial hypotension, 12 (12%) fever, and 9 (9%) electrolyte disturbance during TPE. Moreover, 60 (48%) presented at least one infectious complication: ventilator-associated pneumonia 42, pneumonia 13, bacteremia 18 (of which 6 catheter-related infections) viral reactivation 14. Independent risk factors for ICU-acquired infection were the ICU length of stay (24 vs. 7 d; hazard ratio [HR]: 1.09 [1.04-1.15], p < 0.001) and invasive mechanical ventilation (92% vs. 35%; HR: 16.2 [5.0-53.0], p < 0.001).

Conclusions: In critically ill patients treated with TPE, adverse events occurring during the procedure remain moderately frequent and are mostly not life-threatening. Infectious complications, mainly ventilation-associated pneumonia, are frequent in this population. The need of mechanical ventilation and longer ICU stay is associated with an increased risk of infection.

Keywords: Adverse events; Infectious complication; Intensive care unit; Therapeutic plasma exchange.

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Conflict of interest statement

The authors disclosed that they do not have any potential conflicts of interest.

Figures

Figure 1.
Figure 1.
Flow chart of the studied population (several techniques can be used in the same patient’s treatment program). PMSI = Programme de Médicalisation des Systèmes d’Information, TPE = therapeutic plasma exchange.
Figure 2.
Figure 2.
Actuarial survival of infected and noninfected patients treated by therapeutic plasma exchange during the ICU stay.
See this image and copyright information in PMC

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