Evaluation of the Reverse Shock Index multiplied by the Glasgow Coma Scale Score (rSI×GCS)for Predicting Mortality in Polytrauma Patients
Tolba, M., Elhadari, G., Abd Elatiff, Z., Elbaky, S. (2025). Evaluation of the Reverse Shock Index multiplied by the Glasgow Coma Scale Score (rSI×GCS)for Predicting Mortality in Polytrauma Patients. EKB Journal Management System, (), -. doi: 10.21608/arcmed.2025.390070.1133
Moaaz Ahmed Tolba; Ghada Elhadari; Zeinab Mohamed Abd Elatiff; Saeed abd Elbaky. "Evaluation of the Reverse Shock Index multiplied by the Glasgow Coma Scale Score (rSI×GCS)for Predicting Mortality in Polytrauma Patients". EKB Journal Management System, , , 2025, -. doi: 10.21608/arcmed.2025.390070.1133
Tolba, M., Elhadari, G., Abd Elatiff, Z., Elbaky, S. (2025). 'Evaluation of the Reverse Shock Index multiplied by the Glasgow Coma Scale Score (rSI×GCS)for Predicting Mortality in Polytrauma Patients', EKB Journal Management System, (), pp. -. doi: 10.21608/arcmed.2025.390070.1133
Tolba, M., Elhadari, G., Abd Elatiff, Z., Elbaky, S. Evaluation of the Reverse Shock Index multiplied by the Glasgow Coma Scale Score (rSI×GCS)for Predicting Mortality in Polytrauma Patients. EKB Journal Management System, 2025; (): -. doi: 10.21608/arcmed.2025.390070.1133

Evaluation of the Reverse Shock Index multiplied by the Glasgow Coma Scale Score (rSI×GCS)for Predicting Mortality in Polytrauma Patients

ARCADEs of MEDICINE
Articles in Press, Accepted Manuscript, Available Online from 11 August 2025  XML
Document Type: Observational Studies
DOI: 10.21608/arcmed.2025.390070.1133
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Authors
Moaaz Ahmed Tolba1; Ghada Elhadariorcid 2; Zeinab Mohamed Abd Elatiff email 3; Saeed abd Elbaky4
1Emergency,AFCM,Cairo,Egypt
2Yale University Suez Canal University
3Emergency department, AFCM, Cairo,Egypt
4General surgery department, Armed forces college of Medicine and Faculty of medicine Ain shams university, Cairo, Egypt
Abstract
Abstract

Background: It is crucial to identify trauma patients who are at high risk of mortality to effectively manage their care. The Glasgow Coma Score (GCS) has been considered a very significant predictor on its own. The reverse shock index (rSI), which is calculated by dividing the systolic blood pressure by the heart rate, has been found to be a better choice for hospital triage compared to the shock index. By considering these criteria, the combination of (rSI) multiplied by GCS score (rSIG) can offer a more accurate prognosis of in-hospital mortality in polytrauma patients.

Objective: To evaluate the (rSIG) discriminant ability in prediction of mortality in individuals with polytrauma

Subjects and methods: The study was observational prospective follow-up study for 48 hours post-trauma conducted on 50 adult polytrauma patients who were recruited from the emergency department of El Galaa Military Medical Complex.

Result: The mean age of the studied patients was 49.82 ± 16.55, there were 56% males and 44% females. Hypertension and diabetes were the main comorbidities among the patients (36% and 32%). The mortality rate occurred in 12% of patients. rSIG yielded a significant level in predicting mortality at cut off point <13.1 with sensitivity of 91.8% and specificity of 80.4%. Logistic regression analysis showed that for every unit increase in rSIG, the odds of mortality decreased by 27% (OR = 0.73, 95% CI: 0.60–0.88, p = 0.001).

Conclusion: The study showed that (rSIG) is a dependable and straightforward tool for prediction of mortality in polytrauma.
Keywords
Reverse Shock Index; Glasgow Coma Score; Mortality; Reverse Shock Index Multiplied by Glasgow Coma Scale Score; Polytrauma
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