Application and Nursing Procedure of Double Filtration Thermo (DFT) in the Treatment of a Critically Ill COVID-19 Patient

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Yafang Tu et al.


Objective: To explore the application, nursing procedure, complications and outcome of heat cycle double plasma filtration in critically ill COVID-19 patients.

Methods: A critical ill COVID-19 patient who underwent double filtration thermos (DFT) was selected as the study object. Psychological counseling and health education were given before treatment. The changes of vital signs, finger blood oxygen saturation, inflammatory factors and dialysis complications were observed and recorded before and after treatment. The patient fully understood and accepted the operation methods and treatment risks of double filtration thermo (DFT).

Results: In the process of DFT therapy, the patient had no therapy-resistance behavior, and actively cooperated with medical staff. The whole process was smooth and the vital signs of the patient were stable. There were no complications related to blood purification. Interleukin-6 (IL-6) as 9.81 pg/ml was significantly lower than that of 50.23pg/ml pre-DFT, C-reactive protein (CRP) as 34.3mg/l was significantly lower than that of 82.3mg/l pre-DFT, and blood oxygen saturation (95%-100%) was significantly higher than that before DFT (90%-92%).

Conclusion: DFT can effectively remove inflammatory factors and provide more opportunities for the treatment of critically ill COVID-19 patients.

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