Sensitivity and Specificity of Ultrasonography in Diagnosis of Acute Appendicitis

BACKGROUND AND OBJECTIVE: Acute appendicitis is one of the most important urgent conditions of abdominal surgery, in which, proper and on-time diagnosis may decrease the unwanted complications. In despite of diagnostic methods, a significant number of patients yet end up with negative laparotomies....

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Autores principales:	A Mohammadi, F Khodabakhsh
Formato:	article
Lenguaje:	EN FA
Publicado:	Babol University of Medical Sciences 2009
Materias:	appendicitis ultrasonography sensitivity specificity Medicine R Medicine (General) R5-920
Acceso en línea:	https://doaj.org/article/67618fcb83d84f27a3f7939eff90551a
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spelling	oai:doaj.org-article:67618fcb83d84f27a3f7939eff90551a2021-11-10T09:02:52ZSensitivity and Specificity of Ultrasonography in Diagnosis of Acute Appendicitis1561-41072251-7170https://doaj.org/article/67618fcb83d84f27a3f7939eff90551a2009-08-01T00:00:00Zhttp://jbums.org/article-1-3223-en.htmlhttps://doaj.org/toc/1561-4107https://doaj.org/toc/2251-7170BACKGROUND AND OBJECTIVE: Acute appendicitis is one of the most important urgent conditions of abdominal surgery, in which, proper and on-time diagnosis may decrease the unwanted complications. In despite of diagnostic methods, a significant number of patients yet end up with negative laparotomies. Sonography can diminish the rate of these negative results. The aim of this study was to evaluate the sensitivity and specificity of sonography in diagnosis of acute appendicitis. METHODS: In a cross sectional study, 500 patients with acute abdomen and primary diagnosis of acute appendicitis were evaluated preoperatively by graded compression sonography. This study was conducted in Tabriz Imam Khomeini hospital during 12 months. Results of sonography were compared with histopathological findings after operation. FINDINGS: A hundred and sixty three males and 237 females with the mean age of 25.1±13.9 years were enrolled. Sensitivity, specificity, PPV, NPV and accuracy of abdominal sonography in diagnosis of acute appendicitis were 96.2, 93.1, 96.8, 91.9 and 95.2 percent, respectively 97.2, 96.4, 98.3, 94.2 and 97 percent, respectively in males and 95, 89.5, 95, 89.5 and 93.2 percent, respectively in females. The optimal cut-off point of diameter of appendix was ≥5.8 mm with corresponding sensitivity and specificity of 88.3% and 73%, respectively.CONCLUSION: Due to noninvasiveness, cost-effectiveness and availableness of sonography, it is proposed as a diagnostic modality. This may cause a dramatic decrease in the costs of operation and treatment of patients.A MohammadiF KhodabakhshBabol University of Medical SciencesarticleappendicitisultrasonographysensitivityspecificityMedicineRMedicine (General)R5-920ENFAMajallah-i Dānishgāh-i ̒Ulūm-i Pizishkī-i Bābul, Vol 11, Iss 3, Pp 42-47 (2009)
institution	DOAJ
collection	DOAJ
language	EN FA
topic	appendicitis ultrasonography sensitivity specificity Medicine R Medicine (General) R5-920
spellingShingle	appendicitis ultrasonography sensitivity specificity Medicine R Medicine (General) R5-920 A Mohammadi F Khodabakhsh Sensitivity and Specificity of Ultrasonography in Diagnosis of Acute Appendicitis
description	BACKGROUND AND OBJECTIVE: Acute appendicitis is one of the most important urgent conditions of abdominal surgery, in which, proper and on-time diagnosis may decrease the unwanted complications. In despite of diagnostic methods, a significant number of patients yet end up with negative laparotomies. Sonography can diminish the rate of these negative results. The aim of this study was to evaluate the sensitivity and specificity of sonography in diagnosis of acute appendicitis. METHODS: In a cross sectional study, 500 patients with acute abdomen and primary diagnosis of acute appendicitis were evaluated preoperatively by graded compression sonography. This study was conducted in Tabriz Imam Khomeini hospital during 12 months. Results of sonography were compared with histopathological findings after operation. FINDINGS: A hundred and sixty three males and 237 females with the mean age of 25.1±13.9 years were enrolled. Sensitivity, specificity, PPV, NPV and accuracy of abdominal sonography in diagnosis of acute appendicitis were 96.2, 93.1, 96.8, 91.9 and 95.2 percent, respectively 97.2, 96.4, 98.3, 94.2 and 97 percent, respectively in males and 95, 89.5, 95, 89.5 and 93.2 percent, respectively in females. The optimal cut-off point of diameter of appendix was ≥5.8 mm with corresponding sensitivity and specificity of 88.3% and 73%, respectively.CONCLUSION: Due to noninvasiveness, cost-effectiveness and availableness of sonography, it is proposed as a diagnostic modality. This may cause a dramatic decrease in the costs of operation and treatment of patients.
format	article
author	A Mohammadi F Khodabakhsh
author_facet	A Mohammadi F Khodabakhsh
author_sort	A Mohammadi
title	Sensitivity and Specificity of Ultrasonography in Diagnosis of Acute Appendicitis
title_short	Sensitivity and Specificity of Ultrasonography in Diagnosis of Acute Appendicitis
title_full	Sensitivity and Specificity of Ultrasonography in Diagnosis of Acute Appendicitis
title_fullStr	Sensitivity and Specificity of Ultrasonography in Diagnosis of Acute Appendicitis
title_full_unstemmed	Sensitivity and Specificity of Ultrasonography in Diagnosis of Acute Appendicitis
title_sort	sensitivity and specificity of ultrasonography in diagnosis of acute appendicitis
publisher	Babol University of Medical Sciences
publishDate	2009
url	https://doaj.org/article/67618fcb83d84f27a3f7939eff90551a
work_keys_str_mv	AT amohammadi sensitivityandspecificityofultrasonographyindiagnosisofacuteappendicitis AT fkhodabakhsh sensitivityandspecificityofultrasonographyindiagnosisofacuteappendicitis
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Sensitivity and Specificity of Ultrasonography in Diagnosis of Acute Appendicitis

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