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Preventing Mesh Complications at Hiatus
            slit in the mesh accommodates the esophagus and the prolene   initial transient dysphagia which may occur due to postoperative
            surface directed toward the diaphragm and composite surface   edema at the gastroesophageal (GE) junction. Gradually from
            facing the peritoneal cavity. Appropriate fundoplication wrap was   the 2nd week onward, patients were started on solid food. For
            carried out. Falciform ligament was released from its attachment   the assessment of the integrity of the cruroplasty and wrap in all
            to the ventral abdominal wall taking care of not hampering its   the subjects, postoperative UGI scopy and CT scan were done at
            vascularity (Fig. 1) and then it was placed in between the mesh and   12 and 24 months following surgery.
            the posterior esophagus to avoid direct contact between the mesh
            and the hollow viscera (Figs 2 and 3).
                                                               results
            Postoperative Course                               Sixteen patients were included in the study (60% females).
            Patients were started on liquid diet 4 hours following surgery. For   Twelve patients had been operated on for redo hiatus hernia
            the initial 1 week, patients were given only liquid diet to prevent the   surgery for recurrence and four patients were operated on
                                                               for a large hiatus hernia. The average age of the patients was
                                                               48.5 ± 11.5 years (mean ± SD) and the average BMI of the patients
                                                               was 24.8 ± 1.6 (mean ± SD). All patients had undergone pre and
                                                               postoperative manometry and UGI scopy. The operative time was
                                                               128.2 ± 24.2 minutes (mean ± SD) after the insertion of the first
                                                               trocar and the average hospital stay for patients was 72 hours. In
                                                               all the patients in this study group, a composite prosthetic mesh
                                                               was used for augmentation of the hiatal closure and released
                                                               ligamentum teres were placed between the mesh and esophagus
                                                               preventing the mesh to come in direct contact with the hollow
                                                               viscera thereby reducing mesh-related complications. None of
                                                               the patients had a recurrence of hiatus hernia or had any long-
                                                               term dysphagia following surgery. In none of the patients, any
                                                               mesh-related complications were observed on 2-year follow-up.
            Fig. 1: Releasing falciform ligament from the ventral abdominal wall  No unexpected event was observed in these patients following
                                                               the addition of a simple step of ligamentum teres pedicle between
                                                               the mesh and the hollow viscera during LARS with mesh prosthesis
                                                               at the hiatus.

                                                               discussion
                                                               Use of prosthetic mesh at the hiatus in large hiatus hernias or
                                                               in redo hiatal hernia surgeries has been well documented and
                                                               practiced. But the concern about its use at the hiatus has also
                                                               been raised due to the complications like mesh directly eroding
                                                                                  6,7
                                                               into the digestive lumen.  In our series of over 1,500 hiatal hernia
                                                               surgeries, the composite mesh was used in only 30 patients. In
                                                               this very small subset of patients with mesh used at hiatus, we
                                                               encountered a case of mesh eroding into the stomach. Hence mesh
                                                               erosion is a significant problem that is not uncommon and has been
            Fig. 2: Falciform ligament placed between mesh and the posterior   underreported in the literature.
            esophagus/wrap (view from the right side)             The benefit of using mesh at hiatus in large hiatus hernias
                                                               or redo surgeries is certainly present to prevent the recurrence.
                                                                                        8,9
                                                               With the two randomized trials,  it becomes obvious that using
                                                               a prosthetic mesh at hiatus for large defects prevents long-term
                                                               recurrence and is a better-quality repair compared to simple
                                                               suture repair. But the complication like mesh erosion raises the
                                                               concern about its use. A significant morbidity is associated with
                                                                          10
                                                               mesh erosion.  Role of biologic mesh for long-term prevention of
                                                               recurrence of hiatus hernia has also been questioned. Oelschlager
                                                               et al. in their long-term follow-up with the use of biological mesh at
                                                               the hiatus did not find any mesh-related complications but were not
                                                               able to determine the benefit of using biological mesh to prevent
                                                               long-term recurrence of large hiatus hernia. 11
                                                                  The use of falciform ligament to buttress the cruroplasty to
                                                               provide strength to primary suture repair has also been described
            Fig. 3: Falciform ligament placed between mesh and the posterior   in the literature. 12,13  Its long-term results are not present and there
            esophagus/wrap (view from the left side)           has been no randomized trial comparing the use of mesh to the



             48   World Journal of Laparoscopic Surgery, Volume 15 Issue 1 (January–April 2022)
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