Patients with septic shock with norepinephrine \>0.25ug/kg/min were enrolled. Informed consent was obtained for inclusion in the study and random assignment into the combination or norepinephrine group. Contact the research assistant to obtain patient number information and print out the appropriate labels.Notify the ward dispensing nurse to open the experimental drug cassette (placed in the refrigerator 4℃ drug cabinet). Extract the corresponding experimental medication according to the patient label number, dispense it and send it to the ward, label it and hand it over to the bedside nurse to start using it. The time point at which the medication was connected to the patient and activated was recorded as the zero point for the start of the study. The data were monitored according to the time points specified in the study: baseline,0h , 6h, D1, D2, and post-drug withdrawal.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
TRIPLE
Enrollment
60
Norepinephrine combined with vasopressin to maintain blood pressure
norepinephrine
Peking Union Medical College Hospital
Beijing, Beijing Municipality, China
RECRUITING28days-Mortality in ICU
28 day mortality rate
Time frame: 28 days
ICU duration
Residence time in ICU
Time frame: an average of 1 year
RVDEA/LVDEA
bedside cardiac ultrasound parameters,Qualitative indicators: RVDEA/LVDEA
Time frame: baseline,0hour, 6hour, Day1, Day2, and post-drug withdrawal(within 1week)
right ventricular thickness
bedside cardiac ultrasound parameters qualitative indicators: right ventricular thickness,
Time frame: baseline,0hour, 6hour, Day1, Day2, and post-drug withdrawal(within 1week)
Tricuspid Annular Plane Systolic Excursion
Right ventricular systolic function indicators: Tricuspid,Annular,Plane,Systolic,Excursion (TAPSE) Right ventricular pressure indicators: TV max, peak pulmonary artery regurgitation Other cardiac parameters: E/A, E/E'.
Time frame: baseline,0hour, 6hour, Day1, Day2, and post-drug withdrawal(within 1week)
resistance index of superior mesenteric artery
Blood flow parameters of superior mesenteric artery: resistance index 2) VexUS: Liver vein, portal vein, and renal vein. 3) Arterial pressure monitoring waveform. 4) Intestinal ultrasound score
Time frame: baseline,0hour, 6hour, Day1, Day2, and post-drug withdrawal(within 1week)
venous excess ultrasound grading system(VexUS)
Liver vein, portal vein, and renal vein.
Time frame: baseline,0hour, 6hour, Day1, Day2, and post-drug withdrawal(within 1week)
Intestinal ultrasound score
Intestinal ultrasound score :Including the diameter of the small intestine, the thickness of the small intestine wall, and the frequency of small intestine peristalsis
Time frame: baseline,0hour, 6hour, Day1, Day2, and post-drug withdrawal(within 1week)
pulsatility index of the middle cerebral artery
Cranial ultrasound measurement indexes Cranial ultrasound measurement indexes: pulsatility index of the middle cerebral artery
Time frame: baseline,0hour, 6hour, Day1, Day2, and post-drug withdrawal(within 1week)
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