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fitness 22 hours ago

A predictive model for the risk of death within 30 days in patients with cardiorenal syndrome treated with continuous renal replacement therapy: A retrospective study based on the MIMIC-IV database

Studies have shown that most cardiorenal syndrome (CRS) patients treated with continuous renal replacement therapy (CRRT) have a poor prognosis. This study aimed to develop a predictive model for the risk of death within 30 days in patients with CRS treated with CRRT. Data from CRS patients treated with CRRT were chosen for this investigation from the MIMIC-IV database. The training and validation sets were formed on screened CRS patients. Also, based on the survival status of CRS, survival and death groups were generated in training and validation sets, respectively. Afterwards, in the training set, key variables were identified by univariate Cox, LASSO, as well as multivariate Cox regression analyses. Next, to evaluate the key variables’ capacity for prediction, the nomogram was established. Meanwhile, decision curves, calibration curves, and the receiver operating characteristics (ROC) were drawn. Following the removal of ineligible people, 8,055 CRS patients treated with CRRT were recruited and randomly assigned in a 7:3 ratio to a training set (5,640) and a validation set (2,415). In the training set, a survival group was created, and in the validation set, a death group. Nine factors were then determined to be important predictors of 30-day mortality through the multivariate Cox model: temperature, respiratory rate, white blood cells (WBC), hemoglobin, creatinine, prothrombin time (PT), charlson comorbidity index (CCI), systemic inflammatory response syndrome (SIRS), and systolic blood pressure (SBP). Following that, in both the training and validation sets, the nomogram’s AUC value was 0.7. The choice curve and the calibration curve both showed that the nomograms that were created had strong predictive power. The 9 key variables were identified and the nomogram model was established to forecast the risk of death within 30 days after CRRT treatment of patients with CRS, which might provide useful predictive information for clinical decision making.

fitness 22 hours ago

HIV disrupts lung 'clock,' raising COPD and emphysema risk

People living with HIV face a greater risk of developing lung diseases at a much younger age, even if they have never smoked. FIU researchers have now uncovered a previously unknown mechanism that helps explain how HIV causes emphysema and chronic obstructive pulmonary disease (COPD).

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