Hernia : the journal of hernias and abdominal wall surgery · 2020
Implications of the presence of the vermiform appendix inside an inguinal hernia (Amyand's hernia): a systematic review of the literature.
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Papaconstantinou D, Garoufalia Z, Kykalos S, Nastos C, Tsapralis D, Ioannidis O, Michalinos A, Chatzimavroudis G, Schizas D
Аннотация
PURPOSE: To identify and sum all available evidence pertaining to the management of Amyand's hernia (AH).
METHODS: A systematic search of the MedLine, Scopus, and Google Scholar databases was performed for studies published until January 2020.
RESULTS: In total, 111 studies incorporating 161 patients were identified, 96 (86.4%) being case reports, 11 (9.9%) case series, and 4 (3.7%) retrospective patient cohorts. Mean patient age was 58.5 ± 19.6 years with 136 (83.9%) being males and 25 (16.1%) females. Furthermore, 149 (92.5%) cases were right-sided hernias while 12 (7.5%) cases were left-sided. Overall, 62.3% of patients presented emergently and 77.3% of patients' cohort were eventually diagnosed with incarcerated AH. Preoperative diagnosis of AH was established in 23.1% of patients and was achieved either by ultrasound (25%) or CT scan (75%). Operative findings consisted of normal appendix in 73 (45.4%) cases, uncomplicated appendicitis in 62 (38.5%) patients, and perforated appendix in 26 (16.1%). Regarding patients with appendicitis, mesh placement was reported for 17 (21.2%), herniorrhaphy was performed for 51 (63.7%) while 12 (15.1%) patients did not undergo hernia repair during the initial operation. Mesh utilization rates were significantly higher in patients with a normal appendix. Seven cases involved AH containing appendiceal neoplasms. Thirteen cases (8.6%) of postoperative complications were documented and a single case of postoperative death.
CONCLUSION: AH is a rare type of inguinal hernia usually complicated by appendicitis. Hernia reconstruction should be tailored to each patient individually according to the extent of inguinal canal inflammation.
METHODS: A systematic search of the MedLine, Scopus, and Google Scholar databases was performed for studies published until January 2020.
RESULTS: In total, 111 studies incorporating 161 patients were identified, 96 (86.4%) being case reports, 11 (9.9%) case series, and 4 (3.7%) retrospective patient cohorts. Mean patient age was 58.5 ± 19.6 years with 136 (83.9%) being males and 25 (16.1%) females. Furthermore, 149 (92.5%) cases were right-sided hernias while 12 (7.5%) cases were left-sided. Overall, 62.3% of patients presented emergently and 77.3% of patients' cohort were eventually diagnosed with incarcerated AH. Preoperative diagnosis of AH was established in 23.1% of patients and was achieved either by ultrasound (25%) or CT scan (75%). Operative findings consisted of normal appendix in 73 (45.4%) cases, uncomplicated appendicitis in 62 (38.5%) patients, and perforated appendix in 26 (16.1%). Regarding patients with appendicitis, mesh placement was reported for 17 (21.2%), herniorrhaphy was performed for 51 (63.7%) while 12 (15.1%) patients did not undergo hernia repair during the initial operation. Mesh utilization rates were significantly higher in patients with a normal appendix. Seven cases involved AH containing appendiceal neoplasms. Thirteen cases (8.6%) of postoperative complications were documented and a single case of postoperative death.
CONCLUSION: AH is a rare type of inguinal hernia usually complicated by appendicitis. Hernia reconstruction should be tailored to each patient individually according to the extent of inguinal canal inflammation.