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Study aim
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Comparison of two methods of routine fluid therapy and targeted fluid therapy based on peripheral perfusion index in patients with sepsis hospitalized in the intensive care unit
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Design
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A clinical trial with a control group, parallel groups, double-blind, and randomized design will be conducted on 60 patients. Restricted randomization using block randomization will be employed for the randomization process.
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Settings and conduct
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Setting: In the Intensive Care Units of Al-Zahra Hospital in Isfahan, Intervention: eligible patients will be randomly assigned to either a control or intervention group for fluid therapy, with one group receiving a routine approach and the other a targeted approach based on the peripheral perfusion index. Daily measurements will include cumulative fluid balance, and serum creatinine, urine output, and serum cystatin C levels will be monitored at admission and for seven days post-sepsis diagnosis.
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Participants/Inclusion and exclusion criteria
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The study will include patients with sepsis hospitalized in the intensive care unit, excluding those who are pregnant, have inaccessible peripheral perfusion issues, stage 5 chronic kidney disease, or lack patient consent.
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Intervention groups
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All patients will be treated per standard sepsis guidelines. The control group will receive 30 mL/kg of Lactated Ringer's solution or crystalloid fluid as determined by the physician. In the intervention group, fluid administration will be based on the peripheral perfusion index, using small, frequent boluses of crystalloids (250-500 mL) over 30 minutes to an hour to maintain the perfusion index above 1/4.
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Main outcome variables
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The primary outcomes will be the prevalence of peripheral hypo perfusion between the study groups, as well as the mortality rate and the incidence of acute kidney injury between the two groups based on cystatin C, occurring over a 28-day period in the hospital.