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      Agreement between surgical and histopathological findings in patients with acute appendicitis at a level III hospital in Bogotá, Colombia Translated title: Concordancia entre los hallazgos quirúrgicos e histopatológicos en pacientes con apendicitis aguda en un hospital de tercer nivel de Bogotá, Colombia

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          Abstract

          Abstract Introduction. Currently surgical findings dictate the post-operative treatment of patients with acute appendicitis; however, this relies only on the judgement of the surgeon during the appendectomy. This study aimed to determine the inter-rater reliability between surgeons and pathologists at a tertiary hospital. Methods. This was a cross-sectional retrospective study conducted between October 2015 and October 2016 at the Central Military Hospital in Bogotá. Patients who underwent appendectomy due to suspected acute appendicitis and had histopathological with their respective surgical findings were included. Our aim was to determine the agreement between surgical and pathology reports. Results. During the study period, we identified 418 patients who underwent appendectomy. Surgeons assessed 32 (7.77%) appendix as negative, 78 (18.93%) as inflamed, 110 (26.7%) as suppurative, 137 (33.25%) gangrenous and 55 (13.35%) as perforated. Highest agreement was observed in patients with suppurative appendicitis (82/110; 74.5%). Overall Kappa indicated a poor-fair agreement between the pathologist and surgeons (Kappa = 0.2950, 95% CI 0.2384-035.17, p < 0.0001). Conclusion. There is a poor concordance between surgical and pathologic findings in our study, which is similar to previous articles. As a take home message, surgeons and pathologist should revise the definition of the clinical and the histopathological criteria to better describe the findings and reach a better agreement.

          Translated abstract

          Resumen Introducción. Los hallazgos quirúrgicos actuales dictan el tratamiento postoperatorio de los pacientes con apendicitis aguda; sin embargo, esto se basa únicamente en el juicio del cirujano durante la apendicectomía. Este estudio tuvo como objetivo determinar la correlación de la evaluación entre cirujanos y patólogos en un hospital de tercer nivel. Métodos. Estudio transversal retrospectivo realizado entre octubre de 2015 y octubre de 2016 en el Hospital Militar Central de Bogotá. Se incluyeron pacientes que se sometieron a apendicectomía debido a sospecha de apendicitis aguda y tenían histopatología con sus respectivos hallazgos quirúrgicos. Nuestro objetivo fue determinar la concordancia entre el informe quirúrgico y el de patología. Resultados. Durante el período de estudio, identificamos a 418 pacientes que se sometieron a apendicectomía. Los cirujanos evaluaron 32 (7,77%) apéndices como negativos, 78 (18,93%) como inflamados, 110 (26,7%) como supurativos, 137 (33,25%) gangrenosos y 55 (13,35%) como perforados. La mayor concordancia se observó en pacientes con apendicitis supurativa (82/110; 74.5%). En general, Kappa indicó un acuerdo poco equitativo entre el patólogo y los cirujanos (Kappa = 0.2950, IC 95% 0.2384-035.17, p <0.000i). Conclusión. Hay una pobre concordancia entre los hallazgos quirúrgicos y patológicos en nuestro estudio, similar a los documentos médicos anteriores. Como mensaje, los cirujanos y el patólogo deben revisar la definición de los criterios clínicos e histopatológicos para describir mejor los hallazgos y llegar a un mejor acuerdo.

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          Most cited references20

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          The epidemiology of appendicitis and appendectomy in the United States.

          To describe the epidemiology of appendicitis and appendectomy in the United States, the authors analyzed National Hospital Discharge Survey data for the years 1979-1984. Approximately 250,000 cases of appendicitis occurred annually in the United States during this period, accounting for an estimated 1 million hospital days per year. The highest incidence of primary positive appendectomy (appendicitis) was found in persons aged 10-19 years (23.3 per 10,000 population per year); males had higher rates of appendicitis than females for all age groups (overall rate ratio, 1.4:1). Racial, geographic, and seasonal differences were also noted. Appendicitis rates were 1.5 times higher for whites than for nonwhites, highest (15.4 per 10,000 population per year) in the west north central region, and 11.3% higher in the summer than in the winter months. The highest rate of incidental appendectomy was found in women aged 35-44 years (43.8 per 10,000 population per year), 12.1 times higher than the rate for men of the same age. Between 1970 and 1984, the incidence of appendicitis decreased by 14.6%; reasons for this decline are unknown. A life table model suggests that the lifetime risk of appendicitis is 8.6% for males and 6.7% for females; the lifetime risk of appendectomy is 12.0% for males and 23.1% for females. Overall, an estimated 36 incidental procedures are performed to prevent one case of appendicitis; for the elderly, the preventive value of an incidental procedure is considerably lower.
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            Review of the pathological results of 2660 appendicectomy specimens.

            Appendicitis is the most commonly performed emergency abdominal surgery. The appendix can also be the site of a variety of neoplasms and unusual inflammatory conditions. A retrospective review was performed to determine the pathological diagnoses in appendicectomy specimens. This study is a retrospective analysis of 2660 appendicectomies performed from 1997 to 2003. The reports were analyzed for the following parameters: age-related incidence of acute appendicitis, seasonal variation in presentation, perforation rate, rate of negative and incidental appendicectomy, and the incidence of other pathologies encountered. Of the 2660 appendicectomy specimens, acute appendicitis was seen in 1718 patients (64.58%), with a peak in patients in their second decade (35.09% of cases of acute appendicitis). The perforation rate was 13.9% and was significantly higher in patients aged 70 years or more (P < 0.001). The negative appendicectomy rate was 28.8%, and was significantly higher in female patients (P < 0.001) and in the 11-30 year age group (P < 0.001). Other pathologies include carcinoid (0.52%), adenocarcinoma (0.39%), and mucinous cystadenoma (0.60%). The high rate of negative appendicectomy among female patients and the increased incidence of perforation in elderly patients reinforce the validity of the judicious use of laparoscopy in these populations. There are still a number of unusual histologies found in appendicectomy specimens supporting the continued use of routine histology.
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              Unusual histopathological findings in appendectomy specimens from patients with suspected acute appendicitis.

              To investigate the prevalence and implications of unusual histopathological findings in appendectomy specimens from patients with suspected acute appendicitis.
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                Author and article information

                Journal
                rcci
                Revista Colombiana de Cirugía
                rev. colomb. cir.
                Asociación Colombiana de Cirugía (Bogotá, Distrito Capital, Colombia )
                2011-7582
                2619-6107
                September 2020
                : 35
                : 3
                : 449-454
                Affiliations
                [3] Bogotá orgnameUniversidad de la Sabana Colombia
                [2] Bogotá orgnameUniversidad de la Sabana orgdiv1Grupo de Investigación en Salud Colombia
                [1] Bogotá orgnameUniversidad de la Sabana orgdiv1Grupo de Investigación en Salud Colombia
                Article
                S2011-75822020000300449 S2011-7582(20)03500300449
                10.30944/20117582.453
                42739acf-8b0a-492a-99c2-15fb07c024c3

                This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

                History
                : 29 August 2019
                : 15 November 2019
                Page count
                Figures: 0, Tables: 0, Equations: 0, References: 20, Pages: 6
                Product

                SciELO Colombia

                Categories
                Original papers

                surgical procedures, operative,apendicitis,anatomía & histología,anatomy & histology,observer variation,appendicitis,patología quirúrgica,procedimientos quirúrgicos operativos,variaciones dependientes del observador,pathology, surgical

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