11,651 results on '"Acute appendicitis"'
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2. Fetal Outcomes Among Pregnant Emergency General Surgery Patients
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- 2024
3. Non-operative vs. Operative Management of Acute Appendicitis in Vulnerable Patient Populations
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Sneha Bhat, ASSISTANT PROFESSOR - Surgery
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- 2024
4. Plasma Sodium: a Predictor of Perforation in Acute Appendicitis. (The NAP-study)
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Odense University Hospital, Charite University, Berlin, Germany, Red Cross War Memorial Childrens Hospital, Oslo University Hospital, and Urban Fläring, Associate Professor. Senior Consultant.
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- 2024
5. The Utility of Immature Granulocyte Count on the Prediction of Acute Appendicitis in the Suspected Acute Appendicitis
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Özlem Güler, Filiz Alkan Baylan, and Mehmet Buğra Bozan, Professor, Assistant
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- 2024
6. Medical Treatment for Acute Appendicitis
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Barış Sevinç, Assoc. Prof.
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- 2024
7. Development and validation of a new scoring system to discriminate between uncomplicated and complicated appendicitis.
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Mori, Mikito, Shuto, Kiyohiko, Kosugi, Chihiro, Narushima, Kazuo, Hirano, Atsushi, Usui, Akihiro, Nojima, Hiroyuki, Hirota, Mihono, Sazuka, Tetsutaro, Yamazaki, Masato, Fujino, Takashi, Yamazaki, Kazuto, Shimizu, Hiroaki, and Koda, Keiji
- Abstract
A scoring system to discriminate between uncomplicated and complicated appendicitis is beneficial to determine the optimal treatment for acute appendicitis. We developed a scoring system to discriminate between uncomplicated and complicated appendicitis and assessed the clinical usefulness of the scoring system using external validation. A total of 299 patients with acute appendicitis were retrospectively reviewed. One hundred and ninety-nine patients were assigned to the model development group, while the other 100 patients were assigned to an external validation group. A scoring system for complicated appendicitis was created using a final multivariate logistic regression model with six independent predictors. The area under the receiver operating characteristic curve of the scoring system was 0.882 (95% confidence interval: 0.835–0.929). The cutoff point of the scoring system was 12, and the sensitivity and specificity were 82.9% and 86.2%, respectively. In the external validation group, the area under the receiver operating characteristic curve of the scoring system was 0.868 (95% confidence interval 0.794–0.942), and there was no significant difference between the groups in the area under the receiver operating characteristic curve (P = 0.750). Our newly developed scoring system may contribute to prompt determination of the optimal treatment for acute appendicitis. [ABSTRACT FROM AUTHOR]
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- 2024
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8. A Novel Deep Learning Approach for the Automatic Diagnosis of Acute Appendicitis.
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Dogan, Kamil and Selcuk, Turab
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DEEP learning , *COMPUTED tomography , *ARTIFICIAL intelligence , *DIAGNOSTIC imaging , *ABDOMINAL pain - Abstract
Background: Acute appendicitis (AA) is a major cause of acute abdominal pain requiring surgical intervention. Approximately 20% of AA cases are diagnosed neither early nor accurately, leading to an increased risk of appendiceal perforation and postoperative sequelae. AA can be identified with good accuracy using computed tomography (CT). However, some studies have found that a false-negative AA diagnosis made using CT can cause surgical therapy to be delayed. Deep learning experiments are aimed at minimizing false-negative diagnoses. However, the success rates reported in these studies are far from 100%. In addition, the methods used to divide patients into groups do not adequately reflect situations in which accurate radiological diagnosis is difficult. Therefore, in this study, we propose a novel deep-learning approach for the automatic diagnosis of AA using CT based on establishing a new strategy for classification according to the difficulties encountered in radiological diagnosis. Methods: A total of 266 patients with a pathological diagnosis of AA who underwent appendectomy were divided into two groups based on CT images and radiology reports. A deep learning analysis was performed on the CT images and clinical and laboratory parameters that contributed to the diagnosis of both the patient and age- and sex-adjusted control groups. Results: The deep learning diagnosis success rate was 96% for the group with advanced radiological findings and 83.3% for the group with radiologically suspicious findings that could be considered normal. Conclusions: Using deep learning, successful results can be achieved in cases in which the appendix diameter has not increased significantly and there is no significant edema effect. [ABSTRACT FROM AUTHOR]
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- 2024
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9. Prognostic value of 24-hour cultivation of peritoneal fluid to distinguish complicated from uncomplicated acute appendicitis: a prospective cohort study.
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Mark-Christensen, Anders, Bro Sørensen, Ditte, Qvist, Niels, Justesen, Ulrik Stenz, Möller, Sören, and Ellebæk, Mark Bremholm
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ASCITIC fluids , *PROGNOSIS , *BACTERIAL contamination , *INTRA-abdominal infections , *ABDOMINAL abscess , *APPENDECTOMY , *APPENDICITIS - Abstract
Background: The distinction between complicated and uncomplicated acute appendicitis (AA) is important as it guides postoperative antibiotic treatment. A diagnosis based on intraoperative findings is imprecise and standard cultivation of peritoneal fluid is generally time-consuming with little clinical benefit. The aim of this study was to examine if cultivation of peritoneal fluid in acute appendicitis could reliably detect bacteria within 24 h. Methods: Patients older than 18 years undergoing laparoscopic appendectomy were prospectively enrolled at two surgical departments after informed consent was obtained. Periappendicular fluid was collected prior to appendectomy and sent for cultivation. Sensitivity, specificity and positive and negative predictive values were calculated with 95% confidence intervals (CIs) using 72-hour cultivation results as the gold standard. Patients with complicated AA as determined by the surgeon, received a three-day course of oral antibiotics. Postoperative infectious complications within 30 days after surgery were registered. Results: From July 2020 to January 2021, 101 patients were included. The intraoperative diagnosis was complicated AA in 34 cases. Of these patients, six (17.6%) had bacteria cultured within 24 h after surgery, leading to a sensitivity of 60% and a specificity of 100%. The positive and negative predictive values were 1.00 and 0.96, respectively. Seven patients developed a postoperative infection (five superficial wound infections and two intra-abdominal abscess). In all cases with a positive cultivation result, the intraoperative diagnosis was complicated appendicitis and a postoperative course of antibiotics prescribed. Conclusion: Twenty-four-hour cultivation of the peritoneal fluid in acute appendicitis is a valid indicator for peritoneal bacterial contamination. Randomized studies are necessary to determine if this approach is suitable for targeting postoperative antibiotic treatment as a means to prevent overtreatment without increasing the risk of infectious complications. [ABSTRACT FROM AUTHOR]
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- 2024
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10. Comparative Study of Ultrasound and CT Imaging in Diagnosing Acute Appendicitis in Adults.
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Rekha, Vani, Kavita, and Singh, Shashi Kumar
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Background Acute appendicitis is a common surgical emergency, and accurate imaging is crucial for diagnosis. This study aims to compare the diagnostic accuracy of ultrasound (US) and computed tomography (CT) imaging in adult patients presenting with symptoms suggestive of acute appendicitis. Methods A prospective study was conducted on 100 adult patients (50 males and 50 females) with a mean age of 35 years (range: 18-60 years). Each patient underwent both US and CT imaging. The diagnostic accuracy, sensitivity, specificity, positive predictive value (PPV), and negative predictive value (NPV) of both imaging modalities were calculated and compared. Results Ultrasound imaging demonstrated a sensitivity of 75% (95% CI: 64%-84%), specificity of 85% (95% CI: 75%-92%), PPV of 81% (95% CI: 70%-89%), and NPV of 80% (95% CI: 70%-88%). CT imaging showed a sensitivity of 94% (95% CI: 86%-98%), specificity of 90% (95% CI: 81%-96%), PPV of 92% (95% CI: 84%-97%), and NPV of 93% (95% CI: 85%-98%). The accuracy of US was 79%, while CT achieved 92%. Comparative analysis revealed that CT imaging had significantly higher sensitivity (p<0.05) than ultrasound, with no significant difference in specificity (p>0.05). Conclusion CT imaging demonstrates superior diagnostic accuracy and sensitivity compared to ultrasound in diagnosing acute appendicitis in adults, though both modalities have comparable specificity. CT should be preferred for its higher diagnostic confidence, especially in equivocal cases. [ABSTRACT FROM AUTHOR]
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- 2024
11. Neutrophil to Lymphocyte Ratio (NLR) and Platelet to Lymphocyte Ratio (PLR) as Diagnostic Markers in Predicting Acute Appendicitis in Children.
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Supangat, Akbar Eka Candy, Gilang Vigorous, and Darajat, Azka
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PLATELET lymphocyte ratio , *NEUTROPHIL lymphocyte ratio , *BIOMARKERS , *CHILD patients , *APPENDICITIS , *APPENDECTOMY - Abstract
Introduction: Diagnosing acute appendicitis in paediatric patients remains a challenge. Various diagnostic tools have been proposed to be used in predicting acute appendicitis including scoring, radiology, and laboratory tests. Objective: We plan to study Neutrophil to Lymphocyte Ratio (NLR) and Platelet to Lymphocyte Ratio (PLR) as laboratory markers in predicting acute appendicitis. Method: Paediatric patients diagnosed with appendicitis were studied retrospectively. Control group was taken from hypospadia and undescendent testis patients whose blood tests were taken before surgery. A total of 124 patients were included, consisting of 69 patients in appendicitis group and 55 patients in control group. Result: There is significant comparison in NLR (p=0.000) and PLR (p=0.000) between appendicitis and control group. Area Under the Curve for NLR as a diagnostic tool was found to be 0.954. Cut-off point was found at 2.83 with 85% sensitivity and 96% specificity. Area Under the Curve for PLR as a diagnostic tool was found to be 0.858. Cut-off point was found at 123.9 with 87% sensitivity and 73% specificity. Conclusion: We suggest that NLR and PLR are reliable laboratory tests in predicting appendicitis. Further studies in bigger populations are required. [ABSTRACT FROM AUTHOR]
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- 2024
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12. Predictive factors for recurrent acute appendicitis after conservative treatment.
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Ramadan, Shaima, Olsson, Åsa, Ekberg, Olle, and Buchwald, Pamela
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LOGISTIC regression analysis , *ABDOMINAL abscess , *COMPUTED tomography , *CONSERVATIVE treatment , *STATISTICAL software , *APPENDICITIS - Abstract
Conservative treatment of acute appendicitis is gaining popularity, and identifying patients with a higher risk of recurrence is becoming increasingly important. Previous studies have suggested that older age, male sex, diabetes, appendicolith and abscess formation may be contributing factors, however, results from the adult population are inconsistent. This study aims to identify predictive factors for recurrent appendicitis after conservative treatment. This retrospective study included patients with conservatively treated acute appendicitis at Skåne University Hospital, Sweden during 2012-2019. Information on patient demographics at index admission and follow-up data were retrieved from medical charts and radiologic images. Uni -and multivariable logistic regression analysis were performed using Stata Statistical Software. In total, 379 patients with conservatively treated acute appendicitis were identified, of which 78 (20.6%) had recurrence. All patients were followed-up for a minimum of 41 months after the first diagnosis of acute appendicitis unless appendectomy after successful conservative treatment or death occurred during follow-up. The median time to recurrence was 6.5 (1–17.8) months. After multivariable logistic regression analysis, external appendix diameter >10 mm [OR 2.4 (CI 1.37–4.21), p =.002] and intra-abdominal abscess [OR 2.05 (CI 1.18–3.56), p =.011] on computed tomography were significant independent risk factors for recurrent appendicitis. Appendicolith was not associated with an increased risk of recurrence. This study suggests abscess formation and appendix distension of >10 mm to be potential risk factors for recurrent acute appendicitis after initial successful conservative treatment. [ABSTRACT FROM AUTHOR]
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- 2024
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13. Single-port laparoscopic appendectomy using new surgical procedure versus conventional three-port laparoscopic appendectomy.
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Liu, Fei, Lv, Quan, Wang, Chun-Yi, Li, Zi-Wei, Liu, Xu-Rui, and Peng, Dong
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The aim of this study was to compare the clinic outcomes between new single-port laparoscopic appendectomy (NSLA) and conventional three-port laparoscopic appendectomy (CTLA) for patients with acute appendicitis. Patients who were diagnosed with acute appendicitis and underwent appendectomy were retrospectively collected from a single clinical center from September 2021 to June 2023. Baseline characteristics, surgical information, and postoperative information were compared between the NSLA group and the CTLA group. Univariate and multivariate logistic regression analyses were used to find out the predictors of overall complications. A total of 296 patients were enrolled from a single clinical medical center. There were 146 (49.3%) males and 150 (50.7%) females. There were 54 (18.2%) patients in the NSLA group and 242 (81.8%) patients in the CTLA group. After data analysis, we found the patients in the NSLA group had a shorter postoperative hospital stay (P < 0.01) than the CTLA group. The other outcomes including intraoperative blood loss (P = 0.167), operation time (P = 0.282), nature of the appendix (P = 0.971), and overall complications (P = 0.543) were not statistically different. After univariate and multivariate logistic regression analysis, we found that age (P = 0.018, OR = 1.039, 95% CI = 1.007–1.072), neutrophil percentage (P = 0.018, OR = 1.070, 95% CI = 1.011–1.132), and fever (P = 0.019, OR = 6.112, 95% CI = 1.340–27.886) were the predictors of overall complications. However, the surgical procedure (NSLA versus CTLA) was not a predictor of overall complications (P = 0.376, OR = 1.964, 95% CI = 0.440–8.768). Compared with CTLA, there was no significant increase in postoperative overall complications with NSLA, making it a safe and feasible new surgical procedure. More studies are needed to evaluate the long-term results. [ABSTRACT FROM AUTHOR]
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- 2024
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14. Assessment of Alvarado criteria, ultrasound, CRP, and their combination in patients with suspected acute appendicitis: a single centre study.
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Tayebi, Ali, Olamaeian, Faranak, Mostafavi, Keihan, Khosravi, Kasra, Tizmaghz, Adnan, Bahardoust, Mansour, Zakaryaei, Alireza, and Mehr, Daniyal Enayat
- Abstract
Background: Acute appendicitis (AA) is one of the most common reasons for visiting the emergency room. The lack of proper diagnosis and rapid treatment of AA may lead to severe complications such as intestinal perforation and increased mortality. This study aimed to evaluate the diagnostic accuracy of the Alvarado criteria, ultrasound, and CRP criteria in comparison with their combined use in patients with suspected AA who presented to the emergency room. Methods: In this diagnostic accuracy study, 1411 patients with suspected AA who presented to the emergency department of Firoozabadi Hospital affiliated with Iran University of Medical Sciences and underwent appendectomy from October 2019 to October 2021 were examined. Nine hundred eighty-eight patients were enrolled. All patients were assessed using Alvarado, CRP, and ultrasound. The definitive diagnosis of AA was based on pathological findings and was considered the gold standard. Statistical analyses were performed with STATA VER 11.5. The diagnostic accuracy for each group was compared using the Pearson chi-square test. A value of p < 0.05 was considered statistically significant. Results: The mean age was 29.57 ± 13.66 years. The sensitivity and specificity of Alvarado in the diagnostic accuracy of appendicectomy were 75.2% and 61.3% (CI = 95%), respectively. The sensitivity of ultrasound and CRP for predicting appendicitis was significantly higher than the Alvarado criteria. The diagnostic accuracy for CRP was significantly higher than ultrasound (64.9% vs. 60.7%, P: 0.003). The diagnostic accuracy of the simultaneous use of Alvarado + CRP and CRP + Ultrasound was significantly higher than that of Alvarado + ultrasound. The sensitivity, specificity, and diagnostic accuracy of the simultaneous use of all three criteria together (Alvarado + Ultrasound + CRP) were estimated to be 94.9%, 25.8%, and 81.5% (CI = 95%), respectively, which were significantly higher than the use of other criteria. Conclusion: This study showed that the Alvarado criteria had inadequate diagnostic sensitivity and accuracy for diagnosing acute appendicitis. The diagnostic accuracy of acute appendicitis increases to over 90% using the three Alvarado, ultrasound, and CRP criteria at the same time. [ABSTRACT FROM AUTHOR]
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- 2024
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15. Validation of the Raja Isteri Pengiran Anak Saleha Appendicitis (RIPASA) scoring system for the diagnosis of acute appendicitis among Ethiopian patients: a multi-institutional observational study.
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Legesse, Abenezer Tarekegne, Kejela, Segni, Tesfaye, Abel Shiferaw, Gebremariam, Meklit Solomon, Hailu, Mihiret Abiy, Workneh, Firehiwot, Desalegn, Tariku Mengesha, and Beyene, Nathanael Fekadu
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APPENDICITIS ,ETHIOPIANS ,DIAGNOSTIC ultrasonic imaging ,SURGICAL emergencies ,DIAGNOSIS ,SCIENTIFIC observation - Abstract
Background: Acute appendicitis is the most common surgical emergency in Ethiopian clinical practice. Although a multitude of scoring systems have been used in clinical practice, none have been universally validated. The purpose of this study was to validate the Raja Isteri Pengiran Anak Saleha Appendicitis (RIPASA) scoring system in the Ethiopian context. Methods: A total of 315 consecutive patients who presented with a presumptive diagnosis of acute appendicitis and were planned to undergo appendectomy were studied. All the studied patients had diagnostic sonography and underwent the RIPASA scoring system. The sensitivity, specificity, positive predictive value, and negative predictive value of RIPASA and ultrasound results with intraoperative gross examinations. Results: The mean age of the participants was 27.4 ± 11.5 years, with a male-to-female ratio of 1.6:1. The concordance between ultrasound and RIPASA for the diagnosis of acute appendicitis was 93.6%. The sensitivity, specificity, positive predictive value, and negative predictive value of RIPASA were 96.2%, 30.8%, 93.9%, and 42.1%, respectively. Similarly, the sensitivity, specificity, positive predictive value, and negative predictive value of ultrasound were 95.3%, 27.8%, 95.6%, and 26.3%, respectively. White cell count and RIPASA scores were weakly correlated with intraoperative stages of acute appendicitis, r(313) = 0.18, p = 0.001, and r(313) = 0.129, p = 0.022, respectively. The rate of a negative appendectomy was 6%. Conclusion: RIPASA and ultrasound had equivalent performance in the diagnosis of acute appendicitis. In both cases, the rate of negative appendectomy was low enough to validate RIPASA for clinical practice in low-income institutions where sonographic diagnosis by a conventionally trained radiologist is not available. [ABSTRACT FROM AUTHOR]
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- 2024
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16. Nephroptosis and ureteroinguinal incarcerated hernia mimicking acute appendicitis.
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Gergel, Michal, Brychta, Ivan, Lancz-Klikacova, Anita, and Mayer, Alexander
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APPENDICITIS ,INGUINAL hernia ,HERNIA ,URETERIC obstruction ,SYMPTOMS ,POSTOPERATIVE period ,APPENDECTOMY - Abstract
The involvement of kidney, perirenal fat, and ureter is a rare variant of inguinal hernia. We report a case of a 78-year-old man presenting with typical clinical signs of acute appendicitis. Ultrasonography and CT scan revealed ptosis of the right kidney with a major part of the perirenal capsule involved in a large right sided inguinal hernia with acute obstruction of the ureter and urostasis. Acute surgery was performed, involving resection of perirenal fat, liberation, resection, and neoimplantation of the ureter, and hernioplasty. The postoperative period was uneventful. This case illustrates diagnostic unpredictability of acute appendicitis as well as anatomic variety of inguinal hernias. [ABSTRACT FROM AUTHOR]
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- 2024
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17. Diagnostic value of systemic immune inflammation index in acute appendicitis and complicated appendicitis in pregnant patients.
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Altuğ, Ertuğrul, Kılavuz, Hüseyin, Çakir, Adem, Şener, Kemal, Güven, Ramazan, and Korkut, Semih
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PREGNANT women , *APPENDICITIS , *DELAYED diagnosis , *INFLAMMATION , *DEMOGRAPHIC characteristics , *SENSITIVITY & specificity (Statistics) - Abstract
Introduction: Acute pain in the right lower quadrant during pregnancy is difficult to approach and acute appendicitis must be excluded. The complication rate in pregnant acute appendicitis increases as a result of delayed diagnosis due to physiological and anatomic changes. The systemic immune inflammatory index (SII), which includes several inflammatory tests, is considered to be a good indicator of acute inflammation. The aim of the present study was to investigate the diagnostic value of SII in the diagnosis of acute appendicitis and complicated appendicitis in pregnant women. Material-method: This was designed as a retrospective, single-center case-control study. This study was performed in pregnant women over 12 weeks of gestation who were diagnosed with acute appendicitis as indicated by pathology report and met the inclusion criteria. Vital parameters, demographic characteristics, laboratory values, presence of complicated appendicitis, and pathology reports were taken into analysis. Results: The present study was performed with 76 pregnant women, including 38 pregnant women with acute appendicitis and 38 pregnant women with healthy controls. SII had a sensitivity of 82.0% and specificity of 66.7% with a cut-off value of 840.13 in pregnant acute appendicitis cases (AUC: 0.790; 95% CI: 0.686–0.984; p < 0.001) and SII level was significantly higher in complicated appendicitis cases with a sensitivity and specificity of 66.7% and 91.3%, respectively, with a cut-off value of 2301.66 (AUC: 0.812; 95% CI: 0.665–0.958; p = 0.001). Conclusion: SII is a cost-effective, rapid, easily calculated, and powerful marker that can be used for the diagnosis of both acute and complicated appendicitis in pregnant patients. [ABSTRACT FROM AUTHOR]
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- 2024
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18. Hidden Appendicoliths and Their Impact on the Severity and Treatment of Acute Appendicitis.
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Dölling, Maximilian, Rahimli, Mirhasan, Pachmann, Jonas, Szep, Malik, Al-Madhi, Sara, Andric, Mihailo, Kahlert, Ulf D., Hofmann, Tobias, Boettcher, Michael, Muñoz, Luis E., Herrmann, Martin, Perrakis, Aristotelis, and Croner, Roland S.
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APPENDIX (Anatomy) , *APPENDICITIS , *COMPUTED tomography , *TREATMENT failure , *LONGITUDINAL method - Abstract
Background/Objectives: In patients diagnosed with uncomplicated acute appendicitis (UAA), the absence of calcified deposits or stones, called appendicoliths, often leads to consideration of non-operative treatment (NOT), despite the notable treatment failure rate associated with this approach. Previous research has indirectly estimated the prevalence of appendicoliths to range between 15% and 38% retrospectively by CT scan, intraoperative palpation, and pathology report, thereby potentially missing certain concrements. Our hypothesis proposes that this reported prevalence significantly underestimates the occurrence of appendicoliths, which could explain the high failure rate of 29% of patients with appendicitis observed with NOT. Methods: In our prospective study, conducted with a cohort of 56 adult patients diagnosed with acute appendicitis (AA), we employed intraoperative extracorporeal incisions of the vermiform appendix, in addition to standard diagnostic methods. Results: Our findings revealed 50% more appendicoliths by intraoperative incision (n = 36, p < 0.001) compared to preoperative imaging (n = 24). Appendicoliths were present in 71.4% (n = 40, p < 0.001) of AA patients. Conclusions: These results suggest that conventional diagnostic procedures plausibly underestimate the actual prevalence of appendicoliths, potentially elucidating the frequent treatment failures observed in NOT approaches applied to patients with UAA. [ABSTRACT FROM AUTHOR]
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- 2024
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19. Introducing the ratio of cross diameters of the appendix for ultrasound diagnosis of acute appendicitis can significantly increase specificity.
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Liang, Xian, Gu, Fengwa, Wu, Size, Zhu, Zhixian, and Yu, Mingxing
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RECEIVER operating characteristic curves , *APPENDICITIS , *ULTRASONIC imaging - Abstract
Purpose: To validate whether the introduction of the ratio of the cross diameters on the transverse section of the appendix (RATIO) ≤ 1.18 is useful for improving the ultrasound diagnosis of acute appendicitis (AA). Methods: Data from 220 patients with AA and 110 patients with a normal appendix were retrospectively studied. The RATIO ≤ 1.18, maximal outer diameter (MOD) > 6 mm, and a combination of RATIO ≤ 1.18 and MOD > 6 mm were used for predicting AA. The area under the receiver operating characteristic curve (AUC), sensitivity, specificity, positive and negative predictive values (PPV and NPV) were calculated. Results: The RATIO ≤ 1.18, MOD > 6 mm, and a combination of RATIO ≤ 1.18 and MOD > 6 mm for predicting AA showed a sensitivity of 90, 100, and 90%; specificity of 79.1, 27.3, and 88.2%; and AUC of 0.845, 0.636, and 0.891, respectively. When comparing the outcomes between MOD > 6 mm and a combination of MOD > 6 mm and RATIO ≤ 1.18, the specificity and PPV increased from 27.3 to 88.2% and 73.3 to 93.8%, respectively (all P < 0.0001). The sensitivity and NPV decreased from 100 to 90% and 100 to 81.5%, respectively (all P < 0.0001). The AUC increased from 0.636 to 0.891 (P < 0.0001). When comparing the AUC of MOD > 6 mm, and a combination of RATIO ≤ 1.18 and MOD > 6 mm for predicting AA with the AUC in a previous study, there were no significant differences between each other (all P > 0.05). Conclusion: Introducing the RATIO ≤ 1.18 for the evaluation of AA can improve the diagnostic performance and significantly increase specificity. [ABSTRACT FROM AUTHOR]
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- 2024
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20. How can the surgeon choose preoperatively the most appropriate antibiotic prophylaxis vs therapy in pediatric acute appendicitis?
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Spampinato, Grazia, Virgillito, Chiara, Ghidini, Filippo, and Ceccarelli, Pier Luca
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APPENDECTOMY , *ANTIBIOTIC prophylaxis , *APPENDICITIS , *PEDIATRIC therapy , *PRINCIPAL components analysis , *SURGEONS - Abstract
Introduction: The aim of this study was to find statistically valid criteria to preoperatively divide acute appendicitis into simple and complicated to enable surgeons to administer the most appropriate antibiotic prophylaxis/therapy before surgery. Materials and methods: We retrospectively reviewed a cohort of patients who underwent appendectomy from January 2022 to December 2023. Patients included were 0–14 years of age. Exclusion criteria included patients who underwent interval appendectomy or concurrent procedures at the same time of appendectomy. We divided patients into two groups: simple (group S) and complicated (group C) appendicitis according to intraoperative finding. Generalized linear model (GLM) with logit function was developed to identify the predictive variables of the type of appendicitis (S vs C) in terms of CRP value, neutrophils percentage and WBC count adjusted for age and sex of patients. Finally, principal component analysis (PCA) was carried out to identify the cutoff value of statistically significant variables found in the previous analysis. Results: One hundred and twenty patients were eligible (N female = 49, N male = 71) for the study. 74 and 46 patients were included in groups S and C, respectively. In a preliminary analysis using univariate and multivariate GLM, only CRP (p value = < 0.001) and neutrophils percentage (p value = 0.02) were predictive variables for the type of appendicitis. The GLM shows a statistical lower value of CRP (adjusted odds ratio [OR] per unit, 0.17 [95% CI, 0.08–0.39]) and neutrophil percentage (adjusted OR per unit, 0.37 [95% CI, 0.16–0.86]) in the S group compared to C adjusted to age and sex. PCA analysis revealed a P-ROC cutoff of 4.2 mg/dl and 80.1 of CRP value (AUC = 84%) and neutrophil percentage (AUC = 70%), respectively. Conclusions: We will perform a prospective study giving preoperative prophylactic cefazolin to patients with a CRP value under 4.2 mg/dl and amoxicillin–clavulanate therapy to patient with CRP value over 4.2 mg/dl. [ABSTRACT FROM AUTHOR]
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- 2024
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21. The diagnostic value of serum hepcidin in acute appendicitis.
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Aygun, Ali, Koksal, Adem, Caltekin, Ibrahim, Saribas, Mehmet Seyfettin, Ozsahin, Faruk, Gunaydin, Mucahit, Vural, Abdussamed, Karabacak, Volkan, Cihan, Murat, and Karakahya, Murat
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APPENDICITIS diagnosis ,PREDICTIVE tests ,ACUTE diseases ,IRON regulatory proteins ,SURGERY ,PATIENTS ,BLOOD testing ,ABDOMINAL pain ,ANTIMICROBIAL peptides ,APPENDICITIS ,HOSPITAL emergency services ,INFLAMMATION ,BIOMARKERS ,SENSITIVITY & specificity (Statistics) ,SYMPTOMS - Abstract
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- 2024
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22. Cesena guidelines: WSES consensus statement on laparoscopic-first approach to general surgery emergencies and abdominal trauma.
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Sermonesi, Giacomo, Tian, Brian, Vallicelli, Carlo, Abu-Zidan, Fikri, Damaskos, Dimitris, Kelly, Michael, Leppäniemi, Ari, Galante, Joseph, Tan, Edward, Kirkpatrick, Andrew, Khokha, Vladimir, Romeo, Oreste, Chirica, Mircea, Pikoulis, Manos, Litvin, Andrey, Shelat, Vishal, Sakakushev, Boris, Wani, Imtiaz, Sall, Ibrahima, Fugazzola, Paola, Cicuttin, Enrico, Toro, Adriana, Amico, Francesco, Mas, Francesca, De Simone, Belinda, Sugrue, Michael, Bonavina, Luigi, Campanelli, Giampiero, Carcoforo, Paolo, Cobianchi, Lorenzo, Coccolini, Federico, Chiarugi, Massimo, Di Carlo, Isidoro, Di Saverio, Salomone, Podda, Mauro, Pisano, Michele, Sartelli, Massimo, Testini, Mario, Fette, Andreas, Rizoli, Sandro, Picetti, Edoardo, Weber, Dieter, Latifi, Rifat, Kluger, Yoram, Balogh, Zsolt, Biffl, Walter, Jeekel, Hans, Civil, Ian, Hecker, Andreas, Ansaloni, Luca, Bravi, Francesca, Agnoletti, Vanni, Beka, Solomon, Moore, Ernest, and Catena, Fausto
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Acute appendicitis ,Acute care surgery ,Acute cholecystitis ,Acute diverticulitis ,Acute pancreatitis ,Acute peritonitis ,Adhesive small bowel obstruction ,Colo–rectal emergencies ,Emergency general surgery ,Guidelines ,Incarcerated/complicated ventral/inguinal hernia ,Laparoscopic approach ,Laparoscopy ,Mesenteric ischemia ,Minimally invasive surgery/approach ,Penetrating/blunt abdominal trauma ,Perforated peptic ulcer ,Recommendations ,Trauma surgery hemodynamic stability ,Humans ,Emergencies ,Retrospective Studies ,Laparoscopy ,Abdomen ,Abdominal Injuries ,Randomized Controlled Trials as Topic - Abstract
BACKGROUND: Laparoscopy is widely adopted across nearly all surgical subspecialties in the elective setting. Initially finding indication in minor abdominal emergencies, it has gradually become the standard approach in the majority of elective general surgery procedures. Despite many technological advances and increasing acceptance, the laparoscopic approach remains underutilized in emergency general surgery and in abdominal trauma. Emergency laparotomy continues to carry a high morbidity and mortality. In recent years, there has been a growing interest from emergency and trauma surgeons in adopting minimally invasive surgery approaches in the acute surgical setting. The present position paper, supported by the World Society of Emergency Surgery (WSES), aims to provide a review of the literature to reach a consensus on the indications and benefits of a laparoscopic-first approach in patients requiring emergency abdominal surgery for general surgery emergencies or abdominal trauma. METHODS: This position paper was developed according to the WSES methodology. A steering committee performed the literature review and drafted the position paper. An international panel of 54 experts then critically revised the manuscript and discussed it in detail, to develop a consensus on a position statement. RESULTS: A total of 323 studies (systematic review and meta-analysis, randomized clinical trial, retrospective comparative cohort studies, case series) have been selected from an initial pool of 7409 studies. Evidence demonstrates several benefits of the laparoscopic approach in stable patients undergoing emergency abdominal surgery for general surgical emergencies or abdominal trauma. The selection of a stable patient seems to be of paramount importance for a safe adoption of a laparoscopic approach. In hemodynamically stable patients, the laparoscopic approach was found to be safe, feasible and effective as a therapeutic tool or helpful to identify further management steps and needs, resulting in improved outcomes, regardless of conversion. Appropriate patient selection, surgeon experience and rigorous minimally invasive surgical training, remain crucial factors to increase the adoption of laparoscopy in emergency general surgery and abdominal trauma. CONCLUSIONS: The WSES expert panel suggests laparoscopy as the first approach for stable patients undergoing emergency abdominal surgery for general surgery emergencies and abdominal trauma.
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- 2023
23. Radiological diagnosis of severe appendicitis in 4 months infant with possible microperforation: A rare case report
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Mohammad G. Ibdah, Omar Abu-Qare'e, Firas Abdallah, Leen Ibrahim Ahamd Masalmeh, Nataly Joma, Layth Al-Karaja, Asala M. Awaysa, and Mohammad I. Smerat
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Case report ,Acute appendicitis ,Pediatric appendicitis ,Ultrasonography ,Microperforation ,Medical physics. Medical radiology. Nuclear medicine ,R895-920 - Abstract
Appendicitis is the most common cause of acute abdominal pain requiring surgical intervention; however, it is extremely rare in infants. Its diagnosis and treatment are challenging due to nonspecific clinical signs and symptoms. As a result, delayed or missed diagnosis is common in young children and is associated with an increased risk of perforation and peritonitis. We reported a case of a 4-month-old healthy male child. The patient presented with abdominal distention and fever. After ruling out other possible causes, he was diagnosed with acute appendicitis, which was confirmed by a CT scan. A gangrenous appendix, dilated bowel loops, and free fluid in the abdomen were discovered during surgery. An appendectomy was performed. The appendix in infants has an average length of 4.5 cm compared with 9.5 cm in adults. Infantile appendicitis is considered rare but cases have been documented also in neonates, misdiagnosis rates are high due to rarity in this age group in addition to nonspecific signs and symptoms, which led to a high perforation rate. Ultrasonography can diagnose appendicitis in children with a sensitivity and specificity of 90%-95% without subjecting the child to radiation. A physician should always keep the diagnosis of appendicitis in mind in the infant age group, even though it is rare, as a delay in diagnosis and treatment has been associated with an increased risk of complications including appendicular perforation and peritonitis.
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- 2024
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24. Development and validation of a new scoring system to discriminate between uncomplicated and complicated appendicitis
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Mikito Mori, Kiyohiko Shuto, Chihiro Kosugi, Kazuo Narushima, Atsushi Hirano, Akihiro Usui, Hiroyuki Nojima, Mihono Hirota, Tetsutaro Sazuka, Masato Yamazaki, Takashi Fujino, Kazuto Yamazaki, Hiroaki Shimizu, and Keiji Koda
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Acute appendicitis ,Complicated appendicitis ,Uncomplicated appendicitis ,Logistic regression model ,External validation ,Medicine ,Science - Abstract
Abstract A scoring system to discriminate between uncomplicated and complicated appendicitis is beneficial to determine the optimal treatment for acute appendicitis. We developed a scoring system to discriminate between uncomplicated and complicated appendicitis and assessed the clinical usefulness of the scoring system using external validation. A total of 299 patients with acute appendicitis were retrospectively reviewed. One hundred and ninety-nine patients were assigned to the model development group, while the other 100 patients were assigned to an external validation group. A scoring system for complicated appendicitis was created using a final multivariate logistic regression model with six independent predictors. The area under the receiver operating characteristic curve of the scoring system was 0.882 (95% confidence interval: 0.835–0.929). The cutoff point of the scoring system was 12, and the sensitivity and specificity were 82.9% and 86.2%, respectively. In the external validation group, the area under the receiver operating characteristic curve of the scoring system was 0.868 (95% confidence interval 0.794–0.942), and there was no significant difference between the groups in the area under the receiver operating characteristic curve (P = 0.750). Our newly developed scoring system may contribute to prompt determination of the optimal treatment for acute appendicitis.
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- 2024
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25. Appendicitis tends to be complicated during the COVID-19 epidemic: A multicentre retrospective study
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Macheng Lu, Xiangpeng Kong, Cong Cheng, Mengmeng Liu, Yuan Zhang, Qiuhua Zhang, Tong Wang, Ye Zhang, and Huiqiang Dou
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COVID-19 ,SARS-CoV-2 ,Acute appendicitis ,Complicated appendicitis ,Emergency surgery ,Surgery ,RD1-811 - Abstract
Background: In past studies, non-medical factors in the social-healthcare-patient triad associated with the prevalence of COVID-19 have led to delays in the presentation of patients with acute appendicitis and an increase in complications. However, as research progresses, there is increasing evidence of a clinical association between COVID-19 and the development of acute appendicitis. Methods: The effect of COVID-19 prevalence and associated factors on acute appendicitis in the control (2016–2019) and exposed (2020−2023) groups was derived from a retrospective study of 3070 patients with acute appendicitis from 2016 to 2023. Results: After the implementation of the restrictions, the rate of acute appendicitis visits in the exposed group compared to the control group dropped sharply in the initial period (P = 0.047) and recovered gradually with the relaxation of the restrictions. Similar changes occurred in the number of acute complicated appendicitis visits. In addition, after the lifting of restrictions and the COVID-19 outbreak, the proportion of acute complicated appendicitis in the exposed group increased significantly (P
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- 2024
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26. Assessment of Alvarado criteria, ultrasound, CRP, and their combination in patients with suspected acute appendicitis: a single centre study
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Ali Tayebi, Faranak Olamaeian, Keihan Mostafavi, Kasra Khosravi, Adnan Tizmaghz, Mansour Bahardoust, Alireza Zakaryaei, and Daniyal Enayat Mehr
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Acute appendicitis ,Alvarado ,Ultrasound ,CRP ,Emergency ,Accuracy ,Diseases of the digestive system. Gastroenterology ,RC799-869 - Abstract
Abstract Background Acute appendicitis (AA) is one of the most common reasons for visiting the emergency room. The lack of proper diagnosis and rapid treatment of AA may lead to severe complications such as intestinal perforation and increased mortality. This study aimed to evaluate the diagnostic accuracy of the Alvarado criteria, ultrasound, and CRP criteria in comparison with their combined use in patients with suspected AA who presented to the emergency room. Methods In this diagnostic accuracy study, 1411 patients with suspected AA who presented to the emergency department of Firoozabadi Hospital affiliated with Iran University of Medical Sciences and underwent appendectomy from October 2019 to October 2021 were examined. Nine hundred eighty-eight patients were enrolled. All patients were assessed using Alvarado, CRP, and ultrasound. The definitive diagnosis of AA was based on pathological findings and was considered the gold standard. Statistical analyses were performed with STATA VER 11.5. The diagnostic accuracy for each group was compared using the Pearson chi-square test. A value of p
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- 2024
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27. Nephroptosis and ureteroinguinal incarcerated hernia mimicking acute appendicitis
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Michal Gergel, Ivan Brychta, Anita Lancz-Klikacova, and Alexander Mayer
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Ureteroinguinal hernia ,Acute appendicitis ,Ureteral incarceration ,Diseases of the genitourinary system. Urology ,RC870-923 - Abstract
Abstract The involvement of kidney, perirenal fat, and ureter is a rare variant of inguinal hernia. We report a case of a 78-year-old man presenting with typical clinical signs of acute appendicitis. Ultrasonography and CT scan revealed ptosis of the right kidney with a major part of the perirenal capsule involved in a large right sided inguinal hernia with acute obstruction of the ureter and urostasis. Acute surgery was performed, involving resection of perirenal fat, liberation, resection, and neoimplantation of the ureter, and hernioplasty. The postoperative period was uneventful. This case illustrates diagnostic unpredictability of acute appendicitis as well as anatomic variety of inguinal hernias.
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- 2024
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28. Validation of the Raja Isteri Pengiran Anak Saleha Appendicitis (RIPASA) scoring system for the diagnosis of acute appendicitis among Ethiopian patients: a multi-institutional observational study
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Abenezer Tarekegne Legesse, Segni Kejela, Abel Shiferaw Tesfaye, Meklit Solomon Gebremariam, Mihiret Abiy Hailu, Firehiwot Workneh, Tariku Mengesha Desalegn, and Nathanael Fekadu Beyene
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RIPASA score ,Acute appendicitis ,Low-income-countries ,Surgery ,RD1-811 - Abstract
Abstract Background Acute appendicitis is the most common surgical emergency in Ethiopian clinical practice. Although a multitude of scoring systems have been used in clinical practice, none have been universally validated. The purpose of this study was to validate the Raja Isteri Pengiran Anak Saleha Appendicitis (RIPASA) scoring system in the Ethiopian context. Methods A total of 315 consecutive patients who presented with a presumptive diagnosis of acute appendicitis and were planned to undergo appendectomy were studied. All the studied patients had diagnostic sonography and underwent the RIPASA scoring system. The sensitivity, specificity, positive predictive value, and negative predictive value of RIPASA and ultrasound results with intraoperative gross examinations. Results The mean age of the participants was 27.4 ± 11.5 years, with a male-to-female ratio of 1.6:1. The concordance between ultrasound and RIPASA for the diagnosis of acute appendicitis was 93.6%. The sensitivity, specificity, positive predictive value, and negative predictive value of RIPASA were 96.2%, 30.8%, 93.9%, and 42.1%, respectively. Similarly, the sensitivity, specificity, positive predictive value, and negative predictive value of ultrasound were 95.3%, 27.8%, 95.6%, and 26.3%, respectively. White cell count and RIPASA scores were weakly correlated with intraoperative stages of acute appendicitis, r(313) = 0.18, p = 0.001, and r(313) = 0.129, p = 0.022, respectively. The rate of a negative appendectomy was 6%. Conclusion RIPASA and ultrasound had equivalent performance in the diagnosis of acute appendicitis. In both cases, the rate of negative appendectomy was low enough to validate RIPASA for clinical practice in low-income institutions where sonographic diagnosis by a conventionally trained radiologist is not available.
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- 2024
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29. Comparison of the ability of newly inflammatory markers to predict complicated appendicitis
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Saridas Ali, Vural Nafis, Duyan Murat, Guven Hasan Can, Ertas Elif, and Cander Basar
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acute appendicitis ,complicated appendicitis ,halp ,m-halp ,emergency department ,Medicine - Abstract
Acute appendicitis (AA) is the predominant condition responsible for acute abdominal pain across all age demographics. The purpose of this research is to determine if the hemoglobin, albumin, lymphocyte, and platelet (HALP) and modified HALP (m-HALP) scores differ between complicated and uncomplicated appendicitis in patients diagnosed with AA who have applied to the emergency department (ED). Additionally, this study aims to investigate whether HALP and m-HALP scores are superior to other biomarkers.
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- 2024
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30. Evaluating the Diagnostic Accuracy of the Alvarado Score and Abdominal Ultrasound for Acute Appendicitis: A Retrospective Single-Center Study
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Al-wageeh S, Alyhari QA, Ahmed F, Altam A, Alshehari G, and Badheeb M
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acute appendicitis ,alvarado's score ,sensitivity ,specificity ,ultrasound. ,Medical emergencies. Critical care. Intensive care. First aid ,RC86-88.9 - Abstract
Saleh Al-wageeh,1 Qasem Abdulkarem Alyhari,1 Faisal Ahmed,2 Abdulfattah Altam,3 Gubran Alshehari,4 Mohamed Badheeb5 1Department of General Surgery, School of Medicine, Ibb University, Ibb, Yemen; 2Department of Urology, School of Medicine, Ibb University, Ibb, Yemen; 3Department of General Surgery, School of Medicine, 21 September University, Sana’a, Yemen; 4Student Research Committee, School of Medicine, Ibb University, Ibb, Yemen; 5Department of Internal Medicine, Yale New-Haven Health/Bridgeport Hospital, Bridgeport, CT, USACorrespondence: Faisal Ahmed, Department of Urology, School of Medicine, Ibb University of Medical Sciences, Ibb, Yemen, Email fmaaa2006@yahoo.com Mohamed Badheeb, Internal Medicine, Yale New Haven Health, Bridgeport Hospital, Bridgeport, CT, USA, Email badheeb2009@gmail.comBackground: Acute appendicitis is a complex diagnosis that often requires both clinical and radiological evaluation. Significant variations in diagnostic approaches are evident among clinicians and healthcare institutions. While certain guidelines advocate for risk stratification based on clinical characteristics, others emphasize the importance of pre-operative imaging. This study seeks to explore the accuracy of the Alvarado Score and abdominal ultrasound (AUS) in diagnosing acute appendicitis.Methods: Suspected cases of appendicitis admitted to Al-Thora Hospital in Ibb, Yemen, from Jan 2021 to July 2022 were evaluated. The demographics, clinical, and laboratory data were collected and analyzed. This study assessed Alvarado scores (calculated based on clinical evaluation and laboratory data) and pre-operative AUS findings, correlating them with post-operative and histopathology findings. The Alvarado scores and AUS sensitivity, specificity, accuracy, positive predictive value (PPV), and negative predictive value (NPV) were assessed using the ROC curve.Results: Out of 1021 cases of acute abdomen, 171 patients were suspected of appendicitis. Using AUS along with the Alvarado score, appendicitis was presumed in 137 patients who underwent appendectomy. 130 (94.9%) patients had positive intraoperative and histopathology findings while 7 (5.1%) had negative findings. The Alvarado Score had a sensitivity and specificity of 94.62% and 87.80% at cutoffs of 6, respectively [Area under the curve (AUC): 0.985; 95% confidence interval (CI), 0.954 to 0.998; p < 0.0001]. Abdominal US showed a sensitivity of 98.46% and specificity of 82.93% (AUC:0.907; 95% CI, 0.853 to 0.946; p < 0.0001).Conclusion: Alvarado’s score and AUS exhibited high sensitivity and specificity in diagnosing acute appendicitis. The substantial accuracy and efficacy of both the Alvarado score and AUS support their utilization as primary investigative tools in resource-limited settings. This approach can help avoid unnecessary appendectomies and minimize the financial burden on patients.Plain Language Summary: Acute appendicitis poses a diagnostic challenge, with a high rate of false-positive cases identified post-operatively. Computed tomography has been recommended by several surgical societies; however, it is limited by unaffordability and unavailability. Herein, we utilized the Alvarado score along with abdominal ultrasound as an alternative accurate, and cost-effective diagnostic approach. In this study, the negative appendectomy rate was 5.1%. The sensitivity of abdominal ultrasound in detecting appendicitis was 98.5%, with a specificity of 82.9%. The positive predictive value, negative predictive value, and accuracy were determined to be 94.8%, 94.4%, and 94.7%, respectively. The mean Alvarado score was 6.9± 2.4, with a sensitivity and specificity of 97.81% and 97.06% at cutoffs of 6, respectively. The area under the curve values of the ROC curve for Alvarado’s and abdominal ultrasound were 0.985 (95% CI, 0.954 to 0.998) and (AUC:0.907; 95% CI, 0.853 to 0.946), which was statistically significant (p < 0.0001).Keywords: Acute appendicitis, Alvarado’s score, sensitivity, specificity, ultrasound
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- 2024
31. Primary omental torsion with clinical masquerading as acute appendicitis and radiological key for diagnosis
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Nguyen Xuan Khai, MD, Nguyen Viet Dung, MD, Truong Dinh Tien, MD, Le Dang Thanh Cong, MD, Tran Van Giang, MD, Nguyen Thi Yen Nhi, MD, and Ngo Tuan Minh
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Primary omental torsion ,Acute appendicitis ,Greater omentum ,Computed tomography ,Omental whirl sign ,laparotomy ,Medical physics. Medical radiology. Nuclear medicine ,R895-920 - Abstract
Omental torsion is a medical condition characterized by the twisting of the omentum along its longitudinal axis, which leads to compromised blood flow. This condition is rarely diagnosed before surgery and can present symptoms similar to other causes of acute surgical abdomen. This report details a case of primary omental torsion initially suspected to be acute appendicitis. The patient was admitted to the hospital with symptoms of lower right quadrant abdominal pain and mild fever. Computed tomography imaging revealed a twisted mass of fatty tissue with surrounding fat stranding changes, but no signs of appendicitis were found, indicating omental torsion. The patient underwent surgery to remove the twisted and necrotic omentum, leading to an improvement in symptoms. This case highlights the challenges in diagnosis and the crucial role of computed tomography imaging in managing this rare condition.
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- 2024
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32. Superior mesenteric vein thrombosis secondary to acute appendicitis in a young male: A Case Report
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Melodi Yusibova, MD
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Superior mesenteric vein thrombosis ,Acute appendicitis ,Appendicular abscess ,Ileocecal resection ,Anticoagulation therapy ,Medical physics. Medical radiology. Nuclear medicine ,R895-920 - Abstract
Acute appendicitis is one of the most common infectious diseases in the abdomen, while superior mesenteric vein thrombosis is a rare and potentially fatal complication of acute appendicitis. This report describes a case of a 26-year-old male initially presenting with nonspecific symptoms including coughing, runny nose, vomiting, and diffuse stomach ache. Radiological evaluation with an emergency computed tomography (CT) scan revealed acute complicated appendicitis with abscess formation, perforation, and a large thrombosis in the superior mesenteric vein (SMV). The patient underwent laparoscopic appendectomy with ileocecal resection of the appendix and right-sided ileostomy placement. Treatment included antibiotics and anticoagulant therapy. SMV thrombosis is challenging to diagnose clinically, and early diagnosis and treatment are vital. A CT scan plays a significant role in detecting unsuspected SMV thrombosis, highlighting the importance for radiologists to be aware of this rare complication to appendicitis.
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- 2024
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33. IA Model for Acute Appendicitis in CT
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Doheon Institute for Digital Innovation In Medicine, Medical A.I. Center of Hallym University, and Iltae Son, Principal Investigator
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- 2023
34. Are Double-ring Wound-edge Protectors Effective for Preventing Superficial Surgical Site Infection After Open Appendectomy? (sSSI-2RWEPs)
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Johnn Henry Herrera Kok, Dr. Johnn Henry Herrera Kok
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- 2023
35. Lidocaine VS Hemodynamic, Metabolic and Hormonal Response
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Maciej Kaszyński, physician
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- 2023
36. Diagnostic Performance of Low-Dose CT for Acute Abdominal Conditions (DETECT_Acute)
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Odense University Hospital and Anselm Schulz, MD, PhD
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- 2023
37. Preoperative Immature Granulocyte Count and Percentage for Acute Appendisitis
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Mehmet Buğra Bozan, Professor, Assistant
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- 2023
38. Artificial Intelligence in the Diagnosis and Management of Appendicitis in Pediatric Departments: A Systematic Review.
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Rey, Robin, Gualtieri, Renato, La Scala, Giorgio, and Posfay Barbe, Klara
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ARTIFICIAL intelligence , *CHILD patients , *MEDICAL research , *EXPERIMENTAL design , *DIAGNOSIS , *APPENDICITIS - Abstract
Introduction Artificial intelligence (AI) is a growing field in medical research that could potentially help in the challenging diagnosis of acute appendicitis (AA) in children. However, usefulness of AI in clinical settings remains unclear. Our aim was to assess the accuracy of AIs in the diagnosis of AA in the pediatric population through a systematic literature review. Methods PubMed, Embase, and Web of Science were searched using the following keywords: "pediatric," "artificial intelligence," "standard practices," and "appendicitis," up to September 2023. The risk of bias was assessed using PROBAST. Results A total of 302 articles were identified and nine articles were included in the final review. Two studies had prospective validation, seven were retrospective, and no randomized control trials were found. All studies developed their own algorithms and had an accuracy greater than 90% or area under the curve >0.9. All studies were rated as a "high risk" concerning their overall risk of bias. Conclusion We analyzed the current status of AI in the diagnosis of appendicitis in children. The application of AI shows promising potential, but the need for more rigor in study design, reporting, and transparency is urgent to facilitate its clinical implementation. [ABSTRACT FROM AUTHOR]
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- 2024
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39. Schistosomal appendicitis: a case report
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Mohanad Khalifa, Eman Elhassan, and Sawsan Abdel Rahim
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Schistosomal appendicitis ,Acute appendicitis ,Schistosoma ova ,Bilharziasis ,Medicine - Abstract
Abstract Background Schistosomiasis is one of the endemic parasitic diseases in many developing countries. Despite this, appendicitis secondary to schistosomiasis is an uncommon condition even in some endemic areas. Schistosomal appendicitis, an incidentally discovered appendicitis associated with schistosomiasis histological findings, affects young males predominantly. Timely diagnosis and treatment, including appendectomy and anti-helminthic therapy, are crucial. Case report A 24-year-old Sudanese male patient presented with abdominal pain. Diagnosed with acute appendicitis, he underwent appendectomy, revealing appendix inflammation with Schistosoma ova in histopathology. Abdominal ultrasound detected no complications. Weakly positive Schistosoma serology was noted, but stool and urine analysis showed no infection evidence. Prescribed praziquantel, patient had 3-year post-op follow-up without complications. Conclusions This case report underscores the significance of including schistosomiasis in the differential diagnosis of appendicitis, particularly in regions where the disease is endemic. It underscores the necessity of histopathological evaluations for accurate diagnosis, emphasizing the potential implications for clinical practice in similar settings.
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- 2024
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40. Applying an explainable machine learning model might reduce the number of negative appendectomies in pediatric patients with a high probability of acute appendicitis
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Ivan Males, Zvonimir Boban, Marko Kumric, Josip Vrdoljak, Karlotta Berkovic, Zenon Pogorelic, and Josko Bozic
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Acute appendicitis ,Appendectomy ,Machine learning ,Pediatric surgery ,Children ,Medicine ,Science - Abstract
Abstract The diagnosis of acute appendicitis and concurrent surgery referral is primarily based on clinical presentation, laboratory and radiological imaging. However, utilizing such an approach results in as much as 10–15% of negative appendectomies. Hence, in the present study, we aimed to develop a machine learning (ML) model designed to reduce the number of negative appendectomies in pediatric patients with a high clinical probability of acute appendicitis. The model was developed and validated on a registry of 551 pediatric patients with suspected acute appendicitis that underwent surgical treatment. Clinical, anthropometric, and laboratory features were included for model training and analysis. Three machine learning algorithms were tested (random forest, eXtreme Gradient Boosting, logistic regression) and model explainability was obtained. Random forest model provided the best predictions achieving mean specificity and sensitivity of 0.17 ± 0.01 and 0.997 ± 0.001 for detection of acute appendicitis, respectively. Furthermore, the model outperformed the appendicitis inflammatory response (AIR) score across most sensitivity–specificity combinations. Finally, the random forest model again provided the best predictions for discrimination between complicated appendicitis, and either uncomplicated acute appendicitis or no appendicitis at all, with a joint mean sensitivity of 0.994 ± 0.002 and specificity of 0.129 ± 0.009. In conclusion, the developed ML model might save as much as 17% of patients with a high clinical probability of acute appendicitis from unnecessary surgery, while missing the needed surgery in only 0.3% of cases. Additionally, it showed better diagnostic accuracy than the AIR score, as well as good accuracy in predicting complicated acute appendicitis over uncomplicated and negative cases bundled together. This may be useful in centers that advocate for the conservative treatment of uncomplicated appendicitis. Nevertheless, external validation is needed to support these findings.
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- 2024
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41. Factors associated with early inhospital adverse outcome following surgery for acute appendicitis in Uganda: a multicenter cohort
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Sharif Yusuf Farhan, Demoz Abraha, Isaac Edyedu, Selamo Fabrice Molen, William Mauricio, Samuel Oledo Odong, Michael Mugeni, and Joshua Muhumuza
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Acute appendicitis ,Inhospital early adverse outcomes ,Factors ,Uganda ,Surgery ,RD1-811 - Abstract
Abstract Introduction Surgery for acute appendicitis has been associated with significant morbidity. This study aimed to determine the factors associated with early inhospital adverse outcomes following surgery for acute appendicitis in Uganda. Methods This was a multicentre, prospective cohort in which early inhospital outcome following surgery for acute appendicitis was assessed at 4 regional referral hospitals in Uganda. The occurrence of complications during the admission period was documented as well as the length of hospital stay. Factors associated with adverse outcomes were determined using Poisson regression. Results Of the 102 patients who underwent surgery for acute appendicitis, the majority were males 79(77.5%) with a mean age of 23.8(SD = 12.5) years. The perforated appendix was seen in 26 (25.5%) patients. Post-operative complications occurred in 21(20.6%) with the commonest being surgical site infection in 19(18.6%) patients. The median length of hospital stay was 3(IQR = 3–4) days with 43(42.2%) staying in hospital for more than 3 days. The presence of anemia (Hb
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- 2024
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42. Is non-operative treatment of acute appendicitis possible: A narrative review
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Hani Bendib
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Acute appendicitis ,Appendectomy ,Antibiotic therapy ,Conservative ,Review ,Treatment ,Medicine ,Medicine (General) ,R5-920 - Abstract
Introduction: Acute appendicitis (AA) represents the most frequent surgical emergency. Perforation was long considered the ultimate outcome of AA, prompting appendectomy; which remains the standard treatment. New data have clarified the role of the appendix, justifying conservative treatment. This narrative review aims to summarize the evidence regarding the non-operative treatment (NOT) of AA in adults. Methods: The literature search was performed via the PubMed Medline database. Our criteria-based selection resulted in a total of 48 articles for review. Results: Recent trials and meta-analyses have assessed NOT, which support primary antibiotic treatment of uncomplicated AA. Although it has a significant recurrence and failure rate, NOT does not appear to increase the risk of appendicular perforation. Moreover, NOT compared with appendectomy, seems to be associated with less morbidity, lower cost of care and preserved quality of life. Conclusion: First-line NOT seems to be a reasonable approach for the treatment of uncomplicated CT-confirmed AA. Careful patient screening would definitely enhance the success rate.
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- 2024
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43. Correlational study of Hyperbilirubinemia as a diagnostic predictor for perforation in acute appendicitis
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Rishi Papanaidu and Priyanka Chinta
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acute appendicitis ,appendicular perforation ,bilirubin ,hyperbilirubinemia ,Pharmacy and materia medica ,RS1-441 ,Therapeutics. Pharmacology ,RM1-950 - Abstract
Background: Appendicitis is an acute and life-threatening situation if not treated promptly encountered in surgery practice. Even today, most cases of appendicitis are diagnosed by clinical findings and imaging. Scanty information is available to diagnose the perforation of the appendix using serological tests; hence, an attempt is made. The present study aimed to find out the correlation of hyperbilirubinemia as a diagnostic predictor for perforation in acute appendicitis patients. Methods: This prospective observational study was conducted among patients diagnosed with acute appendicitis attending OPD of the general surgery department of Narayana Medical College Hospital. The duration of the study is between January 2023 and December 2023. A total of 400 patients with a diagnosis of either acute appendicitis or perforation were recruited into the study, and they collected blood samples for estimation of hyperbilirubinemia. Results: In the study population of 400 patients, 72 cases were diagnosed as appendicular perforation, and 328 patients had acute appendicitis. The cut-off value of hyperbilirubinemia was taken as serum bilirubin >1.0 mg/dl. Out of 72 cases of appendicular perforations, 64 patients have hyperbilirubinemia (89%), while in the acute appendicitis patients group, 82 of 328 patients have elevated serum bilirubin (25%). The observed mean values of serum bilirubin in the two groups were 1.74 and 0.89, and the difference in the standard error of the mean value of the two groups is statistically significant at a P-value of 1.0 mg/dl had a higher probability of appendicular perforation. Hence, measuring serum bilirubin can be considered an additional diagnostic tool to existing clinical diagnosis and radiological evaluation for more precision in diagnosis.
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- 2024
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44. Retrospective analysis of the incidence of appendiceal neoplasm and malignancy in patients treated for suspected acute appendicitis
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Eliane Dohner, Fiona Joséphine Kierdorf, Rupert Langer, Markus Zuber, and René Fahrner
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Acute appendicitis ,Appendiceal neoplasm ,Appendiceal malignancy ,Appendectomy ,Retrospective study ,Surgery ,RD1-811 - Abstract
Abstract Background Nonoperative management of uncomplicated appendicitis is currently being promoted as treatment option, albeit 0.7–2.5% of appendectomies performed due to suspected acute appendicitis show histologically malignant findings. The purpose of this study was to investigate the incidence of neoplasm and malignancy of the appendix in patients presenting with suspected acute appendicitis in real world setting. Methods This is a retrospective single-centre investigation of 457 patients undergoing appendectomy between the years 2017–2020. The patients’ demographics, symptoms and diagnosis, intraoperative findings, and histopathological results were analysed. Results In 3.7% (n = 17) histological analysis revealed neoplasms or malignancies. Median age was 48 years (20–90 years), without sex predominance. Leukocytes (11.3 ± 3.7 G/l) and C-reactive protein (54.2 ± 69.0 mg/l) were elevated. Histological analysis revealed low-grade mucinous appendiceal neoplasia (n = 3), sessile serrated adenoma of the appendix (n = 3), neuroendocrine tumours (n = 7), appendiceal adenocarcinoma of intestinal type (n = 3), and goblet cell carcinoma (n = 1). Additional treatment varied between no treatment or follow-up due to early tumour stage (n = 4), follow-up care (n = 3), additional surgical treatment (n = 8), or best supportive care (n = 2). Conclusions Preoperative diagnosis of appendiceal tumours is difficult. Nonoperative management of patients with acute, uncomplicated appendicitis potentially prevents the correct diagnosis of malignant appendiceal pathologies. Therefore, close follow-up or surgical removal of the appendix is mandatory.
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- 2024
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45. Schistosomal appendicitis: a case report.
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Khalifa, Mohanad, Elhassan, Eman, and Abdel Rahim, Sawsan
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APPENDICITIS , *ENDEMIC diseases , *PARASITIC diseases , *SCHISTOSOMIASIS , *URINALYSIS , *SCHISTOSOMA - Abstract
Background: Schistosomiasis is one of the endemic parasitic diseases in many developing countries. Despite this, appendicitis secondary to schistosomiasis is an uncommon condition even in some endemic areas. Schistosomal appendicitis, an incidentally discovered appendicitis associated with schistosomiasis histological findings, affects young males predominantly. Timely diagnosis and treatment, including appendectomy and anti-helminthic therapy, are crucial. Case report: A 24-year-old Sudanese male patient presented with abdominal pain. Diagnosed with acute appendicitis, he underwent appendectomy, revealing appendix inflammation with Schistosoma ova in histopathology. Abdominal ultrasound detected no complications. Weakly positive Schistosoma serology was noted, but stool and urine analysis showed no infection evidence. Prescribed praziquantel, patient had 3-year post-op follow-up without complications. Conclusions: This case report underscores the significance of including schistosomiasis in the differential diagnosis of appendicitis, particularly in regions where the disease is endemic. It underscores the necessity of histopathological evaluations for accurate diagnosis, emphasizing the potential implications for clinical practice in similar settings. [ABSTRACT FROM AUTHOR]
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- 2024
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46. Observation Safely Reduces the Use of the Computerized Tomography in Medium-to-Low-Risk Patients with Suspected Acute Appendicitis: Results of a Randomized Controlled Trial.
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Luksaite-Lukste, Raminta, Gecaite, Igne, Marcinkeviciute, Kristina, Dumskis, Eimantas, Samuilis, Arturas, Zvirblis, Tadas, Jasiunas, Eugenijus, Bausys, Augustinas, Drungilas, Mantas, Luksta, Martynas, Kryzauskas, Marius, Petrulionis, Marius, Beisa, Augustas, Uselis, Simonas, Valeikaite-Taugininene, Gintare, Rackauskas, Rokas, Strupas, Kestutis, and Poskus, Tomas
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COMPUTED tomography , *RANDOMIZED controlled trials , *APPENDICITIS - Abstract
Objectives—The objective was to compare the effectiveness of observation in standard-of-care computed tomography (CT) in adult patients with suspected acute appendicitis (AA). Methods—Patients with clinically suspected AA and inconclusive diagnosis after primary clinical examination, laboratory examination, and transabdominal ultrasound (TUS) were eligible for the study, and they were randomized (1:1) to parallel groups: observation-group patients were observed for 8–12 h and then, repeated clinical and laboratory examinations and TUS were performed; CT group (control group) patients underwent abdominopelvic CT scan. The study utilized Statistical Analysis System 9.2 for data analysis, including tests, logistic regression, ROC analysis, and significance evaluation. Patients were enrolled in the study at Vilnius University Hospital Santaros Klinikos in Lithuania between December 2018 and June 2021. Results—A total of 160 patients (59 men, 101 women), with a mean age of 33.7 ± 14.71, were included, with 80 patients in each group. Observation resulted in a reduced likelihood of a CT scan compared with the CT group (36.3% vs. 100% p < 0.05). One diagnostic laparoscopy was performed in the observation group; there were no cases of negative appendectomy (NA) in the CT group. Both conditional CT and observation pathways resulted in high sensitivity and specificity (97.7% and 94.6% vs. 96.7% and 95.8%). Conclusions—Observation including the repeated evaluation of laboratory results and TUS significantly reduces the number of CT scans without increasing NA numbers or the number of complicated cases. [ABSTRACT FROM AUTHOR]
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- 2024
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47. A study on the diagnostic and predictive value of neutrophil-to-lymphocyte ratio for early perforation in acute appendicitis.
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Chen, Qi, Bao, Jifeng, Chen, Fei, Ding, Jun, Zhu, Tao, and Chen, Lina
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NEUTROPHIL lymphocyte ratio , *BLOOD cell count , *RECEIVER operating characteristic curves , *APPENDIX (Anatomy) , *APPENDICITIS - Abstract
Objective: To investigate the predictive value of neutrophil-to-lymphocyte ratio (NLR) for early perforation of the appendix in patients with acute appendicitis (AA). Methods: Two hundred and 80eighty patients with the first episode of AA within 48 hours and not yet treated with antibiotics were included in this study retrospectively; divided into two groups by the presence or absence of perforation. The clinical data, traditional inflammatory indexes, and NLR were compared between the two groups. The predictive value of inflammatory indexes on the early appendiceal perforation was explored. Results: Patients in the perforated group were older, with higher blood WBC, NEU% and NLR, lower LYM% and PLT, higher serum CRP and PCT, and longer hospitalization time. Multivariate regression analysis revealed that high WBC, NEU%, NLR, CRP, PCT, and low LYM% were independent risk factors for early appendiceal perforation. The ROC curves revealed that the predictive value of WBC, CRP, and PCT for early appendiceal perforation was low. NLR, LYM%, and NEU% had a higher predictive value, with AUC values of 0.947, 0.928, and 0.920, respectively. NLR had the highest predictive value. The diagnostic Cut-off value of NLR is 10.83 with a sensitivity of 0.963, and a specificity of 0.850. Conclusion: NLR can be used as an effective and sensitive predictive maker of early appendiceal perforation in AA patients. It is easy to generate from existing routine clinical laboratory testing for AA and can be included in complete blood count (CBC) as a routine or add-on value. [ABSTRACT FROM AUTHOR]
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- 2024
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48. Utility of thiol/disulphide homeostasis as a biomarker for acute appendicitis: a systematic review and meta-analysis.
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Krishnan, Nellai, Pakkasjärvi, Niklas, Kainth, Deepika, Arredondo Montero, Javier, Danielson, Johan, Verma, Pulkit, Verma, Ajay, Yadav, Devendra Kumar, and Anand, Sachit
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APPENDICITIS , *HOMEOSTASIS , *BIOMARKERS , *OXIDATIVE stress , *ANTIOXIDANTS - Abstract
The aim of this study was to analyze the role of thiol/disulfide homeostasis (TDH) parameters as an indicator of oxidative stress in acute appendicitis (AA). PubMed, EMBASE, Web of Science, and Scopus databases were systematically searched. Studies reporting on TDH in AA (both complicated and uncomplicated cases) were included. The comparator group were healthy controls. The TDH domain was compared between the groups using anti-oxidant parameters, namely native thiol and total thiol levels, and native thiol/total thiol ratio; and oxidant parameters, namely disulfide level, disulfide/native thiol ratio, and disulfide/total thiol ratio. The statistical analysis was performed using a random-effects model. The methodological quality of the studies was assessed utilizing the Newcastle–Ottawa scale. Eleven studies with a total of 926 subjects, comprising 457 patients with uncomplicated appendicitis, 147 with complicated appendicitis, and 322 healthy controls were included. Our study demonstrated significantly increased oxidative stress in AA as compared to healthy controls in all TDH parameters and significantly lower total thiol levels in complicated AA as compared to uncomplicated AA. Due to a poor methodological quality in five out of eleven studies, future prospective studies with adequate power are essential to validate these observations and refine the diagnostic approaches to AA. [ABSTRACT FROM AUTHOR]
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- 2024
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49. Applying an explainable machine learning model might reduce the number of negative appendectomies in pediatric patients with a high probability of acute appendicitis.
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Males, Ivan, Boban, Zvonimir, Kumric, Marko, Vrdoljak, Josip, Berkovic, Karlotta, Pogorelic, Zenon, and Bozic, Josko
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MACHINE learning , *APPENDICITIS , *CHILD patients , *APPENDECTOMY , *UNNECESSARY surgery , *ARACHNOID cysts , *PROBABILITY theory , *RECEIVER operating characteristic curves - Abstract
The diagnosis of acute appendicitis and concurrent surgery referral is primarily based on clinical presentation, laboratory and radiological imaging. However, utilizing such an approach results in as much as 10–15% of negative appendectomies. Hence, in the present study, we aimed to develop a machine learning (ML) model designed to reduce the number of negative appendectomies in pediatric patients with a high clinical probability of acute appendicitis. The model was developed and validated on a registry of 551 pediatric patients with suspected acute appendicitis that underwent surgical treatment. Clinical, anthropometric, and laboratory features were included for model training and analysis. Three machine learning algorithms were tested (random forest, eXtreme Gradient Boosting, logistic regression) and model explainability was obtained. Random forest model provided the best predictions achieving mean specificity and sensitivity of 0.17 ± 0.01 and 0.997 ± 0.001 for detection of acute appendicitis, respectively. Furthermore, the model outperformed the appendicitis inflammatory response (AIR) score across most sensitivity–specificity combinations. Finally, the random forest model again provided the best predictions for discrimination between complicated appendicitis, and either uncomplicated acute appendicitis or no appendicitis at all, with a joint mean sensitivity of 0.994 ± 0.002 and specificity of 0.129 ± 0.009. In conclusion, the developed ML model might save as much as 17% of patients with a high clinical probability of acute appendicitis from unnecessary surgery, while missing the needed surgery in only 0.3% of cases. Additionally, it showed better diagnostic accuracy than the AIR score, as well as good accuracy in predicting complicated acute appendicitis over uncomplicated and negative cases bundled together. This may be useful in centers that advocate for the conservative treatment of uncomplicated appendicitis. Nevertheless, external validation is needed to support these findings. [ABSTRACT FROM AUTHOR]
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- 2024
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50. Factors associated with early inhospital adverse outcome following surgery for acute appendicitis in Uganda: a multicenter cohort.
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Farhan, Sharif Yusuf, Abraha, Demoz, Edyedu, Isaac, Molen, Selamo Fabrice, Mauricio, William, Odong, Samuel Oledo, Mugeni, Michael, and Muhumuza, Joshua
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APPENDECTOMY , *APPENDICITIS , *SURGICAL site infections , *LENGTH of stay in hospitals , *POISSON regression , *SURGICAL complications - Abstract
Introduction: Surgery for acute appendicitis has been associated with significant morbidity. This study aimed to determine the factors associated with early inhospital adverse outcomes following surgery for acute appendicitis in Uganda. Methods: This was a multicentre, prospective cohort in which early inhospital outcome following surgery for acute appendicitis was assessed at 4 regional referral hospitals in Uganda. The occurrence of complications during the admission period was documented as well as the length of hospital stay. Factors associated with adverse outcomes were determined using Poisson regression. Results: Of the 102 patients who underwent surgery for acute appendicitis, the majority were males 79(77.5%) with a mean age of 23.8(SD = 12.5) years. The perforated appendix was seen in 26 (25.5%) patients. Post-operative complications occurred in 21(20.6%) with the commonest being surgical site infection in 19(18.6%) patients. The median length of hospital stay was 3(IQR = 3–4) days with 43(42.2%) staying in hospital for more than 3 days. The presence of anemia (Hb < 8) (aRR = 1.376, CI = 1.159–1.634, P = < 0.001) and having a perforated appendix (aRR = 1.263, CI = 1.026–1.555, P = 0.027) were independently associated with occurrence of complications while being HIV positive (aRR = 1.379, CI = 1.105–1.721, P = 0.005) and having a perforated appendix (aRR = 1.258, CI = 1.019–1.554, P = 0.033) were independently associated with prolonged hospital stay. Conclusion: Community education about early presentation is still required in order to reduce the number of patients that present late which should, in turn, reduce the risk of complications and length of hospital stay. [ABSTRACT FROM AUTHOR]
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- 2024
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