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Erschienen in:
15.12.2015 | Original Scientific Report
Where Oncologic and Surgical Complication Scoring Systems Collide: Time for a New Consensus for CRS/HIPEC
Erschienen in: World Journal of Surgery | Ausgabe 5/2016
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Introduction
Morbidity and mortality rates after cytoreductive surgery (CRS) and hyperthermic intraperitoneal chemotherapy (HIPEC) are important quality parameters to compare peritoneal surface malignancy centers. A major problem to assess postoperative outcomes among centers is the inconsistent reporting due to two coexisting systems, the diagnose-based common terminology criteria for adverse events (CTCAE) classification and the therapy-oriented Clavien-Dindo classification. We therefore assessed and compared both reporting systems.
Patients and Methods
Complications after CRS/HIPEC were recorded in 147 consecutive patients and independently graded by an expert board using both systems. In a next step, a group of residents, experienced surgeons, and medical oncologists evaluated a set of twelve real complications, either with the Clavien-Dindo or CTCAE classification.
Results
The postoperative complication rate after CRS/HIPEC was 37 % (54/147), 6.8 % (10/147) were reoperated, and three (2 %) patients died. The most frequent complications were intestinal fistula or abscess, pulmonary complications, and ileus. Grading of complications with the CTCAE classification resulted in a significantly higher major morbidity rate compared to the Clavien-Dindo classification (25 vs. 8 %, p = 0.001). Evaluating a set of complications, residents, surgeons, and oncologists correctly assessed significantly more complications with the Clavien-Dindo compared to the CTCEA classification (p < 0.001). In addition, all participants evaluated the Clavien-Dindo classification as more simple. Residents (p < 0.001) and surgeons (p < 0.01) required less time with the Clavien-Dindo classification; there was no difference for oncologist.
Conclusion
In conclusion, our data indicate that there is a different interpretation of severity grades of complications after CRS/HIPEC between the two classifications. There is a need for a common language in the field of CRS/HIPEC, which should be defined by a new consensus to compare surgical outcomes.