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Neto et al.                                                                                                                                                                              Laparoscopic Nissen fundoplication

                                                                    A
















           Figure 1: Extensive dissection of the esophagus including the lower   B
           mediastinum ensures a long segment of the abdominal esophagus
           (ideal > 2.5 cm)













                                                              Figure 3: (A) A complete dissection of the gastric fundus ensures a
                                                              tension-free fundoplication (arrow); (B) adhesiolysis of attachments
                                                              of the gastric fundus to the spleen, diaphragm and retroperitoneum
                                                              must be done even after division of the short gastric vessels
           Figure 2: Hiatal closure must be performed with interrupted non-
           absorbable X-shaped stitches (e.g. 2-0 or 0, polypropylene,   since it  promotes the  decrease of  gastric fundus
           mersilene). Stitches must be well anchored in the crus  tension [Figure 3]. [33]

           effect with the lower esophageal  sphincter at the   An intraluminal  bougie  is advocated  by some to
           esophagogastric junction, [29]  and prevents herniation of   calibrate the fundoplication, [34]  although other different
           the wrap to the chest [Figure 2]. This type of herniation   series do not show advantages. [35]  Another  key  step
           of the stomach (wrap) through the diaphragmatic hiatus   in this operation  is the choice of the right place  to
           is  one  of  the  main  causes  of  failure  after  antireflux   create and position the wrap. Thus, gastro esophageal
           surgery. Some propose  the use of prosthetic material   junction should be well identified, with the removal of
           (mesh) to reinforce the closure of the esophageal   the fat pad that is frequently located there.This is done
           hiatus.  The use of mesh for this purpose is still the   to make sure that the gastric fundus is brought around
           subject of much discussion. [30]  While many believe that   the  esophagus  not  the  stomach.  Also,  the  gastric
           the use of this material can reduce the failure rates of   fundus, not the gastric body should be used to create
           the hiatal closing, [31]  others oppose this practice due   the fundoplication [Figure 4].
           to the risks of erosion of abdominal viscera (especially
           esophageal and gastric). The indication for the hiatal   FOLLOW-UP
           mesh repair should be selective taking into account the
           tension during crural closure and weakness of hiatal   A good follow-up is important to achieve a satisfactory
           tissue. [29,32]                                    postoperative result.  Patients  who undergo this
                                                              operation  should  be alerted about  the common
           The  fundoplication  should  be  floppy,  short,  tension-  occurrence  of  transitory  dysphagia  in  the  first  three
           free, and constructed with the fundus of the stomach   months due to edema and esophageal ileus. [36]  Also,
           around the esophagus. An extensive dissection of the   the improvement of extra esophageal  symptoms
           posterior  attachments of the gastric fundus  and  an   may  not  be immediate and new symptoms,  such as
           ample retroesophageal window are essential to make   gas symptoms, may occur after surgery. These facts,
           a  tension-free fundoplication. Short  gastric vessels   however,  do  not  decrease  significantly  quality  of  life
           division may also help attain a floppy fundoplication,   and patient satisfaction with treatment. [5]
             8                                                                                                        Mini-invasive Surgery ¦ Volume 1 ¦ March 31, 2017
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