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Validation of the P-POSSUM score in predicting outcomes in emergency craniotomy: A prospective observational study

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Název: Validation of the P-POSSUM score in predicting outcomes in emergency craniotomy: A prospective observational study
Autoři: Hari Prakash Rai, Shivam Sharma
Zdroj: Asian Journal of Medical Sciences, Vol 15, Iss 12, Pp 130-135 (2024)
Informace o vydavateli: Pharmamedix India Publication Pvt Ltd, 2024.
Rok vydání: 2024
Témata: Medicine, p-possum score, emergency craniotomy, postoperative mortality, predictive accuracy, neurosurgical risk assessment
Popis: Background: The Portsmouth physiological and operative severity score for the enumeration of mortality and morbidity (P-POSSUM) is an established tool for predicting surgical outcomes. However, its applicability and accuracy in predicting post-operative mortality in patients undergoing emergency craniotomy require further validation. Aims and Objectives: This study aims to validate the accuracy of the P-POSSUM score in predicting post-operative mortality in patients undergoing emergency craniotomy. Materials and Methods: A prospective observational study was conducted over 2 years (June 2022–May 2024) at Maharani Laxmi Bai Medical College, Jhansi. Patients undergoing emergency craniotomy were included in the study. Data were collected on pre-operative physiological parameters and intraoperative variables to calculate the P-POSSUM score. The primary outcome was post-operative mortality within 30 days. Statistical analysis involved receiver operating characteristic curve analysis and the Hosmer-Lemeshow test to assess the predictive accuracy and calibration of the P-POSSUM score. Results: A total of 200 patients were included in the study. The mean age was 53±17 years; 113 were male and 87 were female. The P-POSSUM score demonstrated good predictive accuracy for post-operative mortality with an area under the ROC curve of 0.85 (95% CI: 0.79–0.91). Calibration analysis using the Hosmer–Lemeshow test showed good calibration (P=0.23). Observed mortality was 56 (28%) compared to an expected 61, resulting in an observed-to-expected mortality ratio of 0.92. Conclusion: The P-POSSUM score is a reliable and accurate tool for predicting post-operative mortality in patients undergoing emergency craniotomy. Its integration into clinical practice can enhance risk stratification and inform clinical decision-making. Further studies with larger cohorts and diverse populations are warranted to generalize these findings.
Druh dokumentu: Article
ISSN: 2091-0576
2467-9100
DOI: 10.71152/ajms.v15i12.4297
DOI: 10.3126/ajms.v15i12.69514
Rights: CC BY NC ND
CC BY NC
Přístupové číslo: edsair.doi.dedup.....6e065d2459fc49ac4b3648f6cf74ffe5
Databáze: OpenAIRE
Popis
Abstrakt:Background: The Portsmouth physiological and operative severity score for the enumeration of mortality and morbidity (P-POSSUM) is an established tool for predicting surgical outcomes. However, its applicability and accuracy in predicting post-operative mortality in patients undergoing emergency craniotomy require further validation. Aims and Objectives: This study aims to validate the accuracy of the P-POSSUM score in predicting post-operative mortality in patients undergoing emergency craniotomy. Materials and Methods: A prospective observational study was conducted over 2 years (June 2022–May 2024) at Maharani Laxmi Bai Medical College, Jhansi. Patients undergoing emergency craniotomy were included in the study. Data were collected on pre-operative physiological parameters and intraoperative variables to calculate the P-POSSUM score. The primary outcome was post-operative mortality within 30 days. Statistical analysis involved receiver operating characteristic curve analysis and the Hosmer-Lemeshow test to assess the predictive accuracy and calibration of the P-POSSUM score. Results: A total of 200 patients were included in the study. The mean age was 53±17 years; 113 were male and 87 were female. The P-POSSUM score demonstrated good predictive accuracy for post-operative mortality with an area under the ROC curve of 0.85 (95% CI: 0.79–0.91). Calibration analysis using the Hosmer–Lemeshow test showed good calibration (P=0.23). Observed mortality was 56 (28%) compared to an expected 61, resulting in an observed-to-expected mortality ratio of 0.92. Conclusion: The P-POSSUM score is a reliable and accurate tool for predicting post-operative mortality in patients undergoing emergency craniotomy. Its integration into clinical practice can enhance risk stratification and inform clinical decision-making. Further studies with larger cohorts and diverse populations are warranted to generalize these findings.
ISSN:20910576
24679100
DOI:10.71152/ajms.v15i12.4297