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The current evidence on stapled versus hand‐sewn anastomoses in the digestive tract

The innovation process and developments in technology have given surgeons new products which can improve their performance and benefit our patients. Before the era of laparoscopic surgery one of the most important applications in surgical practice was the introduction of staplers. In this article, the evidence supporting the decision whether to use a mechanical device (stapler) or to make a hand‐sewn anastomosis is presented. A sytematic review of the literature was performed. The search included published meta‐anaylses, randomized clinical trials and comparative studies. Key words for the initial search were: surgical anastomosis, stapler, hand‐sewn. There was no language restriction. The reference lists from the selected articles were also checked by the author. Literature data on main outcomes concerning the application of one or the other surgical technique have been analysed. The literature search yielded published data on various procedures in digestive surgery. Most of the available high‐quality evidence was for gastric and colorectal resections. Resection of the esophagus, use of staplers in emergency procedures and some initial reports on pancreatic surgery were also retrieved. The evidence from the literature shows that stapler anastomoses take less operative time and are more costly than hand‐sewn anastomoses. Regarding the morbidity and leaks rate the staplers give equal or better results when compared with the hand‐sewn technique. Nevertheless, proper handling of staplers and experience remain crucial issues if one wants to gain benefits when using these devices.