Wos Kapalı Erişimli Yayınlar
Permanent URI for this collectionhttps://hdl.handle.net/11727/10753
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Item A New Approach To The Management Of Acute Appendicitis: Decision Tree Method(2022) Erkent, Murathan; Karakaya, Emre; Yucebas, Sait Can; https://orcid.org/0000-0002-3592-5092; 35152124; CAA-2756-2022Background: It is important to distinguish between complicated acute appendicitis (CAA) and noncomplicated acute appendicitis (NCAA) because the treatment methods are different. We aimed to create an algorithm that determines the severity of acute appendicitis (AA) without the need for imaging methods, using the decision tree method. Methods: The patients were analyzed retrospectively and divided into two groups as CAA and NCAA. Age, gender, Alvarado scores, white blood cell values (WBC), neutrophil/lymphocyte ratios (NLR), C-reactive protein value (CRP), albumin value and CRP/Albumin ratios of the patients were recorded. Results: In the algorithm we created, the most important parameter in the distinction between CAA and NCAA is CRP. NLR is predictive in patients with a CRP value of <= 107.565 mg/L, and the critical value is NLR 2.165. In pa-tients with a CRP value of >107.565 mg/L, albumin is the determinant and the critical value is 2.85 g/dL. Age, gen -der, alvarado score and CRP/albumin ratio have no significance in distinguishing between CAA and NCAA. In the statistical analysis, there were significant differences between NCAA and CAA groups in terms of age (39.56 years vs 13,675 years), gender (48.1% male vs 71.4% male), WBC (13,891.10/mL vs 11,614.76/mL), CRP (27 mg/L vs 127 mg/L), albumin (3 g/dL vs 3 g/dL) and CRP/albumin (9.50 vs. 41). Conclusion: Thanks to the algorithm we created, CAA and NCAA distinction can be made quickly. In addition, by avoiding unnecessary surgical procedures in NCAA cases, patients' quality of life can be increased and morbidity rates can be minimized.(c) 2022 Elsevier Inc. All rights reserved.Item Comparison of Mortality Rates in Patients Waiting for Liver Transplant and Patients With Colorectal Metastatic Tumors(2022) Erkent, Murathan; Aydin, H. Onur; Tezcaner, Tugan; Avci, Tevfik; Kavasoglu, Lara; Soy, Ebru H. Ayvazoglu; Yildirim, Sedat; Haberal, Mehmet; 0000-0002-3592-5092; 0000-0002-0664-5147; 0000-0002-0993-9917; 0000-0002-3462-7632; 35352633; CAA-2756-2022; AAJ-8219-2021; AAC-5566-2019; AAJ-8097-2021Objectives: We aimed to identify outcomes of liver surgery in patients with hepatocellular carcinoma and colorectal cancer, which result in primary and secondary liver tumors. Materials and Methods: Our study included 51 patients with colorectal cancer and liver metastases and 63 patients with hepatocellular carcinoma who were prepared for liver transplant due to cirrhosis who underwent hepatic resection or local ablation treatments; patients were seen between January 2011 and December 2021. Results: Most patients with colorectal cancer were men (58.8%). Mean age was 65.76 +/- 13.818 years (range, 27-88 y). Most patients had planned, elective surgery (86.3%). Neoadjuvant chemotherapy was administered to 58.8% of patients. The most common location of metastasis in the liver was in the right lobe (43.1%), and the most common surgery was low anterior resection (17 patients). During simultaneous liver surgery, 31 patients required metastasectomy and 7 patients required radiofrequency ablation plus metastasectomy. No deaths occurred in the early posttransplant period, and cumulative survival was 82.624 +/- 7.962 months. Disease-free survival was 45.2 +/- 7.495 months. Most patients with hepatocellular carcinoma were men (82.5%). Mean age was 58.73 +/- 17.428 years. Hepatocellular carcinoma lesions were mostly located in both the right and left lobes (23.8%). In the hepatocellular cancer group, 60.3% had transarterial chemoembolization and 42.9% had radiofrequency ablation. The primary surgical resection was metastasectomy (17.9%) because of multiple localized lesions. Median follow-up was 22 months (range, 1-126 mo). Overall survival was 101.898 +/- 7.169 months, with 10-year overall survival of 38%. Disease-free survival was 74.081 +/- 8.732 months, with 1-year and 5-year disease-free survival of 90.5% and 54%. Conclusions: Better survival was shown in patients with hepatocellular carcinoma than in patients with colorectal cancer. Therefore, more aggressive treatment options, as used in hepatocellular carcinoma, including liver transplant, may be options for patients with colorectal cancer.Item Comparison of Long-term Clinical Outcomes of the Preferred Surgical Techniques in Secondary Hyperparathyroidism Cases(2022) Karakaya, Emre; Erkent, Murathan; https://orcid.org/0000-0002-4879-7974; https://orcid.org/0000-0002-3592-5092; AAD-5466-2021; CAA-2756-2022Objective: Secondary hyperparathyroidism (SHPT), that progresses with the deterioration of calcium-phosphorus metabolism detected in chronic kidney disease patients. Recurrence of SHPT may result in the recurrence of symptoms. Our aim was to compare the 5-year clinical results of autotransplantation after total parathyroidectomy (PTX-AT) with subtotal parathyroidectomy (SPTX). Materials and Methods: We analyzed 140 patients retrospectively from January 2000 and October 2020 who were operated due to SHPT. Clinical and demographic characteristics of the patients, preoperative and postoperative (1st day, 1st month, 6th month, 1st year, 5th years) serum PTH, calcium (Ca), phosphorous (P) values and length of hospital stay (LOS) were compared in terms of operations performed. The Shapiro-Wilks test was used for analyzing normally distributed datas. Mann Whitney U test used to evaluate of comparison of numerical data. Fisher's Exact or chi-square test was used for ratio comparisons or correlation. P<0.05 was considered statistical significance level. Results: Of these 140 patients, 106 (75.7%) had SPTX. On the other hand, 34 patients (24.3%) underwent PTX-AT surgery. When the groups were compared in terms of the gender, age and comorbidities, the differences were statistically significant. Additionally, no statistically significant difference was found between the groups in terms of postoperative complications (p=0.206). The difference between the weights and sizes of the parathyroid glands removed between the operation groups was not statistically significant (p=0.751, p=0.176). The difference was not statistically significant between the groups in terms of PTH, Ca and P levels measured. LOS was statistically significantly longer in PTX-AT patients (p=0). Conclusion: The surgical methods in the treatment of SHPT have no difference each other. Depending on the surgeon's preference, both surgical methods can be safely applied with high success rates.