Clinically Relevant Features for Predicting the Severity of Surgical Site Infections
Surgical site infections are hospital-acquired infections resulting in severe risk for patients and significantly increased costs for healthcare providers. In this work, we show how to leverage irregularly sampled preoperative blood tests to predict, on the day of surgery, a future surgical site infection and its severity. Our dataset is extracted from the electronic health records of patients who underwent gastrointestinal surgery and developed either deep, shallow or no infection. We represent the patients using the concentrations of fourteen common blood components collected over the four weeks preceding the surgery partitioned into six time windows. A gradient boosting based classifier trained on our new set of features reports an AUROC of 0.991 for predicting a postoperative infection and and AUROC of 0.937 for classifying the severity of the infection. Further analyses support the clinical relevance of our approach as the most important features describe the nutritional status and the liver function over the two weeks prior to surgery.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2022 |
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| Erschienen: |
2022 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:26 |
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| Enthalten in: |
IEEE journal of biomedical and health informatics - 26(2022), 4 vom: 01. Apr., Seite 1794-1801 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Boubekki, Ahcene [VerfasserIn] |
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| Links: |
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| Themen: |
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| Anmerkungen: |
Date Completed 18.04.2022 Date Revised 28.05.2022 published: Print-Electronic Citation Status MEDLINE |
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| doi: |
10.1109/JBHI.2021.3121038 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| 520 | |a Surgical site infections are hospital-acquired infections resulting in severe risk for patients and significantly increased costs for healthcare providers. In this work, we show how to leverage irregularly sampled preoperative blood tests to predict, on the day of surgery, a future surgical site infection and its severity. Our dataset is extracted from the electronic health records of patients who underwent gastrointestinal surgery and developed either deep, shallow or no infection. We represent the patients using the concentrations of fourteen common blood components collected over the four weeks preceding the surgery partitioned into six time windows. A gradient boosting based classifier trained on our new set of features reports an AUROC of 0.991 for predicting a postoperative infection and and AUROC of 0.937 for classifying the severity of the infection. Further analyses support the clinical relevance of our approach as the most important features describe the nutritional status and the liver function over the two weeks prior to surgery | ||
| 650 | 4 | |a Journal Article | |
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| 700 | 1 | |a Mikalsen, Karl Oyvind |e verfasserin |4 aut | |
| 700 | 1 | |a Revhaug, Arthur |e verfasserin |4 aut | |
| 700 | 1 | |a Jenssen, Robert |e verfasserin |4 aut | |
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