Complications, Postoperative Clinical Trial
Official title:
Clinical Validation and Evaluation of Reliability of Comprehensive Complication Index (CCI) for Recording Percutaneous Nephrolithotomy Complications
Postoperative complications should be reported systematically, objectively and reproducibly. The Clavien-Dindo Classification (CDC), first described in 2004, is the most popular classification system still in use today for assessing perioperative morbidity and mortality. In 2018, the European Association of Urology (EAU) validated this classification, which was originally defined for general surgery operations, for urological operations as well. There are aspects of the CDC that can be critical and weak. The CDC's main weakness is that in the vast majority of studies it only considers the most serious complications. Minor complications are often overlooked and the overall complication burden is therefore underestimated. Because of this vulnerability, it is difficult to compare complications from different patients. For example, it cannot be determined whether a patient with two Grade I complications has higher postoperative morbidity than a patient with one Grade II complication. To address these limitations, the Comprehensive Complications Index (CCI) was defined in 2013 as a new and more comprehensive scoring system for surgical complications. The CCI is essentially an index based on the CDC, but sums all postoperative complications by severity and scores them on an interval scale. It is scored from 0 (no complications) to 100 (patient's death) for each patient. CCI in Urology Practice; Validated for Radical Cystectomy, Radical Prostatectomy, Radical Nephroureterectomy, Partial Nephrectomy. In recent years, validation studies of this index have been carried out in endourological surgeries.
Percutaneous kidney stone surgery (PNL) will be performed due to kidney stones, and 644 patients will be included in the study according to the power analysis*. Demographic data of the patients, stone characteristics and data related to stone burden, data related to the operation will be noted by looking at the hospital files. Patients who have undergone surgery can be discharged after an average of 3 days and can be called for routine control after an average of 2 months. All complications developed during the inpatient follow-up and any complications developed during the control period will be noted using the patient's file information. Then, all these complications that are detected to develop will be scored separately using the CCI and CDC complication scales. 1. Using the free online tool www.assessurgery.com, the Comprehensive Complications Index (CCI) score for the total burden of complications will be calculated for each patient. 2. Each patient's most major complication will be determined and graded according to the Clavien-Dindo (CDC) classification (as described below). Grade I: Any deviation from the normal postoperative course requiring only the following drugs: antiemetics, antipyretics, diuretics Grade II: Pharmacological therapy (with drugs not necessary for CDC I complications), blood transfusion, total parenteral nutrition Grade IIIa: Surgical, endoscopic or radiological intervention not under general anesthesia Grade IIIb: Surgical, endoscopic or radiological intervention under general anesthesia Grade IVa: single organ dysfunction requiring intensive care unit management Grade IVb: multiple organ dysfunction requiring intensive care unit management Grade V: Death All the data obtained, CCI and CDC, will be compared among themselves in terms of reliability, demographic data obtained from the pre-operative file data, stone characteristics and data related to the operation will be compared, as well as their relationship with the length of hospital stay. ;
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