Impact of anatomical wrap position on the outcome of Nissen fundoplication

Role of Wrap-Crural Fixation and Minimal Dissection in Prevention of Transmigration After Laparoscopic Nissen Fundoplication in Children

Background: Laparoscopic Nissen fundoplication is the gold standard antireflux procedure in pediatric age group. Intrathoracic migration of the fundic wrap is a common cause failure, leading to recurrence of gastroesophageal reflux disease (GERD) symptoms. Objectives: To investigate the impact of wrap-crural fixation and minimal esophageal dissection in prevention of wrap transmigration after laparoscopic Nissen fundoplication in children. Methods: Prospective randomized study of 46 pediatric patients with refractory GERD who underwent laparoscopic Nissen fundoplication divided into two equal groups. In Group A, wrap crural fixation was done, whereas in group B no fixation was done. Minimal esophageal dissection with preservation of the phrenoesophageal ligament was done in both groups. Approval of the Ethics Committee of our Faculty was obtained. Results: There was no difference between both groups regarding operative time, intraoperative complications, or length of hospital stay. Two patients in group B without wrap fixation suffered recurrence of GERD symptoms. On contrast study, they both showed intrathoracic wrap migration. One of them was reoperated. Whereas in group A, no recurrence of symptoms and no wrap transmigration were noticed in follow-up. Conclusion: In laparoscopic Nissen fundoplication, with minimal esophageal dissection and preservation of the phrenoesophageal ligament, there is no additional benefit from wrap-crural fixation in prevention of wrap transmigration.

Unilateral versus bilateral wrap crural fixation in laparoscopic Nissen fundoplication for children

Introduction:

Gastroesophageal reflux (GERD) is common in neurologically impaired (NI) children. Fundoplication and gastrostomy have previously been indicated in NI children with GERD who have not responded to medical treatment. The most common reason for fundoplication failure is intrathoracic migration of the wrap.

Objective:

The aim of the study is to measure the effect of wrap fixation on the final outcome of laparoscopic Nissen fundoplication in NI children.

Patients and Methods:

A retrospective file review was conducted for all NI children who underwent laparoscopic Nissen fundoplication in 2 tertiary pediatric surgery centers in the United Arab Emirates from February 15, 2006 to February 15, 2013. Redo fundoplication patients were excluded from the study. Patients were divided into 2 groups: group 1 in which the fundoplication wrap was fixed to the right crus only, and group 2 in which the wrap was fixed to the right and left crus simultaneously.

Results:

The study population included 68 patients; there were 47 male and 21 female children. Mean age at time of surgery was 8.2 years. Recurrent GERD at 1 year postoperatively was 26% versus 7% in group 1 and group 2, respectively, by upper contrast study. Redo surgery was required in 21% versus 3% in group 1 and group 2, respectively.

Conclusions:

Bilateral fixation of the wrap to diaphragmatic crura significantly reduced recurrent GERD, in laparoscopic Nissen fundoplication for neurologically impaired children, with no increased risk of morbidities. Future prospective studies should be conducted with larger patient populations and longer follow-up periods.

MRI patterns of Nissen fundoplication: normal appearance and mechanisms of failure

PURPOSE

The purpose of the study was to assess the role of MR fluoroscopy in the evaluation of post-surgical conditions of Nissen fundoplication due to gastro-oesophageal reflux disease (GERD).

METHODS

A total of 29 patients (21 patients with recurrent/persistent symptoms and eight asymptomatic patients as the control group) underwent MRI of the oesophagus and gastro-oesophageal junction (GEJ) at 1.5 T. Bolus transit of a buttermilk-spiked gadolinium mixture was evaluated with T2-weighted half-Fourier acquisition single-shot turbo spin-echo (HASTE) and dynamic gradient echo sequences (B-FFE) in three planes. The results of MRI were compared with intraoperative findings, or, if the patients were treated conservatively, with endoscopy, manometry, pH-metry and barium swallow.

RESULTS

MRI was able to determine the position of fundoplication wrap in 27/29 cases (93% overall accuracy) and to correctly identify 4/6 malpositions (67%), as well as all four wrap disruptions. All five stenoses in the GEJ were identified and could be confirmed intraoperatively or during dilatation. MRI correctly visualized three cases with motility disorders, which were manometrically confirmed as secondary achalasia. Three patients showed signs of recurrent reflux without anatomical failure.

CONCLUSION

MRI is a promising diagnostic method to evaluate morphologic integrity of Nissen fundoplication and functional disorders after surgery.

KEY POINTS

MRI offers simultaneous morphological and functional imaging in one diagnostic method. MR fluoroscopy offers the possibility to identify the wrap position. MRI enables a non-invasive diagnosis, providing detailed information for the surgeon.

EAES recommendations for the management of gastroesophageal reflux disease

BACKGROUND

Gastroesophageal reflux disease (GERD) is one of the most frequent benign disorders of the upper gastrointestinal tract. Management of GERD has always been controversial since modern medical therapy is very effective, but laparoscopic fundoplication is one of the few procedures that were quickly adapted to the minimal access technique. The purpose of this project was to analyze the current knowledge on GERD in regard to its pathophysiology, diagnostic assessment, medical therapy, and surgical therapy, and special circumstances such as GERD in children, Barrett's esophagus, and enteroesophageal and duodenogastroesophageal reflux.

METHODS

The European Association of Endoscopic Surgery (EAES) has tasked a group of experts, based on their clinical and scientific expertise in the field of GERD, to establish current guidelines in a consensus development conference. The expert panel was constituted in May 2012 and met in September 2012 and January 2013, followed by a Delphi process. Critical appraisal of the literature was accomplished. All articles were reviewed and classified according to the hierarchy of level of evidence and summarized in statements and recommendations, which were presented to the scientific community during the EAES yearly conference in a plenary session in Vienna 2013. A second Delphi process followed discussion in the plenary session.

RESULTS

Recommendations for pathophysiologic and epidemiologic considerations, symptom evaluation, diagnostic workup, medical therapy, and surgical therapy are presented. Diagnostic evaluation and adequate selection of patients are the most important features for success of the current management of GERD. Laparoscopic fundoplication is the most important therapeutic technique for the success of surgical therapy of GERD.

CONCLUSIONS

Since the background of GERD is multifactorial, the management of this disease requires a complex approach in diagnostic workup as well as for medical and surgical treatment. Laparoscopic fundoplication in well-selected patients is a successful therapeutic option.

Outcomes of esophageal surgery, especially of the lower esophageal sphincter

This paper includes commentaries on outcomes of esophageal surgery, including the mechanisms by which fundoduplication improves lower esophageal sphincter (LES) pressure; the efficacy of the Linx™ management system in improving LES function; the utility of radiologic characterization of antireflux valves following surgery; the correlation between endoscopic findings and reported symptoms following antireflux surgery; the links between laparoscopic sleeve gastrectomy and decreased LES pressure, endoscopic esophagitis, and gastroesophageal reflux disease (GERD); the less favorable outcomes following fundoduplication among obese patients; the application of bioprosthetic meshes to reinforce hiatal repair and decrease the incidence of paraesophageal hernia; the efficacy of endoluminal antireflux procedures, and the limited efficacy of revisional antireflux operations, underscoring the importance of good primary surgery and diligent work-up to prevent the necessity of revisional procedures.

Anatomical failure following laparoscopic antireflux surgery (LARS): does it really matter?

INTRODUCTION

Failure rates of laparoscopic antireflux surgery (LARS) vary from 2-30%. A degree of anatomical failure is common, and the most common failure is intrathoracic wrap herniation. We have assessed anatomical integrity of the crural repair and wrap using marking Liga clips placed at the time of surgery and compared this with symptomatic outcome.

PATIENTS AND METHODS

A prospective study was undertaken on 50 patients who underwent LARS in a single centre over a 3-year period. Each had an X-ray on the first postoperative day and a barium swallow at 6 months at which the distance was measured between the marking Liga clips. An increase in interclip distance of > 25-49% was deemed 'mild separation', and an increase of > 50% 'moderate separation'. Patients completed a standardised symptom questionnaire at 6 months.

RESULTS

At 6 months' postoperatively, 22% had mild separation of the crural repair with a mean Visick score of 1.18, and 54% had moderate separation with a mean Visick score of 1.26. Mild separation of the wrap occurred in 28% with a mean Visick score of 1.21 and 22% moderate separation with a mean Visick score of 1.18. Three percent had mild separation of both the crural repair and wrap with a mean Visick score of 1.0, and 16% moderate separation with a mean Visick score of 1.13. Of patients, 14% had evidence of some degree of failure on barium swallow but only one of these was significant intrathoracic migration of the wrap which was symptomatic and required re-do surgery.

CONCLUSIONS

The prevalence of some form of anatomical failure, as determined by an increase in the interclip distance, is high at 6 months' postoperatively following LARS. However, this does not seem to correlate with a subjective recurrence of symptoms.

Surgical reintervention after failed antireflux surgery: a systematic review of the literature

BACKGROUND

Outcome and morbidity of redo antireflux surgery are suggested to be less satisfactory than those of primary surgery. Studies reporting on redo surgery, however, are usually much smaller than those of primary surgery. The aim of this study was to summarize the currently available literature on redo antireflux surgery.

MATERIAL AND METHODS

A structured literature search was performed in the electronic databases of MEDLINE, EMBASE, and Cochrane Central Register of Controlled Trials.

RESULTS

A total of 81 studies met the inclusion criteria. The study design was prospective in 29, retrospective in 15, and not reported in 37 studies. In these studies, 4,584 reoperations in 4,509 patients are reported. Recurrent reflux and dysphagia were the most frequent indications; intraoperative complications occurred in 21.4% and postoperative complications in 15.6%, with an overall mortality rate of 0.9%. The conversion rate in laparoscopic surgery was 8.7%. Mean(+/-SEM) duration of surgery was 177.4 +/- 10.3 min and mean hospital stay was 5.5 +/- 0.5 days. Symptomatic outcome was successful in 81.1% and was equal in the laparoscopic and conventional approach. Objective outcome was obtained in 24 studies (29.6%) and success was reported in 78.3%, with a slightly higher success rate in case of laparoscopy than with open surgery (85.8% vs. 78.0%).

CONCLUSION

This systematic review on redo antireflux surgery has confirmed that morbidity and mortality after redo surgery is higher than after primary surgery and symptomatic and objective outcome are less satisfactory. Data on objective results were scarce and consistency with regard to reporting outcome is necessary.

Laparoscopic repair of a giant hiatus hernia--how I do it

The laparoscopic approach is now the technique of choice for the repair of large hiatus hernia. It is associated with a low risk of complications. However, controversy exists as to the optimal technique for laparoscopic repair. In this paper, we describe our approach. This entails full dissection of the hernia sac from the mediastinum, hiatal repair with posteriorly placed sutures, and then construction of an appropriate fundoplication. Whether the use of mesh for hiatal repair will reduce the risk of subsequent reintervention and not add any new risks is, however, unclear. For this reason, we believe that the mesh should only be used in appropriately designed clinical trials, and for now, the standard approach to laparoscopic repair of a large hiatus hernia is sutured repair.

Surgical approach to gastroesophageal reflux disease: what the radiologist needs to know

Gastroesophageal reflux disease (GERD) is defined as gastroesophageal reflux resulting in symptoms or in injury to the esophageal epithelium. Although the medical management of GERD has improved, an increasing number of laparoscopic antireflux surgical procedures are being performed. Barium studies, endoscopy, manometry, and pH monitoring are all integral components of preoperative evaluation. Barium swallow examination must allow critical evaluation of esophageal peristalsis, the presence and extent of gastroesophageal reflux, and complications including esophagitis, stricture, and Barrett esophagus. It is crucial to identify and characterize hiatal hernia and longitudinal stricture, which can result in a shortened esophagus. In such cases, it becomes necessary for the surgeon to incorporate an esophageal lengthening procedure prior to fundoplication; otherwise, poor surgical outcome is likely. Normal postfundoplication radiographic findings as well as postoperative complications (eg, tight wrap, perforation, abscess, complete or partial dehiscence, recurrent stricture, recurrent hernia, intrathoracic migration of the wrap) must also be recognized and clearly understood by the radiologist. Given the chronic nature and prevalence of symptomatic GERD and the increasing number of patients undergoing surgical intervention, it is imperative that the radiologist understand the pre- and postsurgical evaluation of affected patients.

Clinical results of laparoscopic fundoplication at ten years after surgery

BACKGROUND

Several studies have demonstrated laparoscopic antireflux surgery (LAS) for the treatment of gastroesophageal reflux disease (GERD) to be efficient at short- and midterm follow-up evaluations. The aim of this study was to evaluate the results for LAS 10 years after surgery.

METHODS

The 100 consecutive patients who underwent LAS by a single surgeon in 1993 were entered into a prospective database. Nissen fundoplication was performed for 68 patients, and partial posterior fundoplication (modified Toupet procedure) was performed for 32 patients. Evaluations of the outcome were made 5 and 10 years after surgery. A structured symptom questionnaire and upper gastrointestinal barium series were used at 5 years. The same questionnaire and an added quality-of-life questionnaire (the Gastrointestinal Quality of Life Index [GIQLI]) were used at 10 years.

RESULTS

Seven patients died of unrelated causes during the 10-year period. Four patients underwent revision surgery: one patient for persistent dysphagia and three patients for recurrent reflux symptoms. Three patients were lost to any follow-up study. At 5 years, 93% of the patients were free of significant reflux symptoms. At 10 years, 89.5% of the patients still were free of significant reflux (93.3% after Nissen, 81.8% after Toupet). Major side effects (flatulence and abdominal distension) were related to "wind" problems. The GIQLI scores at 10 years were significantly better than the preoperative scores of the patients under medical therapy with proton pump inhibitors.

CONCLUSIONS

Elimination of GERD symptoms improved quality of life and eliminated the need for daily acid suppression in most patients. These results, apparent 5 years after the operation, still were valid at 10 years.

Long-term outcome is worse after laparoscopic than after conventional Nissen fundoplication

OBJECTIVE

No long-term studies of laparoscopic and open fundoplication were available in 1994. The aim of this study was to compare reflux control and side effects after laparoscopic and open fundoplication.

MATERIAL AND METHODS

Adult patients with uncomplicated gastro-oesophageal reflux disease were included in this prospective randomized clinical trial between laparoscopic and open 360-degree fundoplication. Patients with uncomplicated gastro-oesophageal reflux disease were included with the exception of those with weak peristalsis or suspected short oesophagus. Two senior surgeons, well trained in laparoscopic antireflux surgery, performed the 45 laparoscopic operations. Forty-eight patients underwent open surgery performed or supervised by two other senior surgeons, also well trained in gastro-oesophageal surgery. One of the latter recruited all the patients. Manometry and 24-h oesophageal pH monitoring were performed before operation and 6 months postoperatively. Manometry also included a short-term reflux test, an acid clearing test and an acid perfusion test. Symptom evaluation was performed before surgery, 6 months after and at long-term follow-up (33-79 months postoperatively) by the same surgeon. Long-term follow-up also included endoscopy.

RESULTS

Six months after laparoscopy 4 patients had disabling dysphagia. None of the patient had disabling dysphagia after laparotomy. Four patients had mild heartburn 6 months after laparoscopy and 2 patients after laparotomy. Between 6 months' follow-up and long-term follow-up, 6 patients were reoperated on in the laparoscopy group and 2 patients in the laparotomy group. Three patients operated on with laparotomy had died of intercurrent diseases. After laparoscopy, at long-term follow-up, 62% of patients (28/45) were satisfied compared with 91% (41/45) after laparotomy. The difference was significant (p<0.01).

CONCLUSIONS

Early postoperative reflux control was similar for laparoscopic and conventional fundoplication. At long-term follow-up significantly more patients were satisfied after laparotomy than after laparoscopy.

Gastrointestinal complications of fundoplication

In children with medically refractory gastroesophageal reflux disease (GERD), fundoplication is effective and safe. However, in a subset of patients, gastrointestinal dysfunction occurs postoperatively. Symptoms include chest pain, persistent dysphagia in 5%, gas bloat in 2% to 4%, diarrhea in up to 20%, and dumping syndrome in up to 30%. Symptoms are often nonspecific, arising from recurrent or persistent GERD, anatomic complications such as disrupted or herniated wrap, functional disturbances such as rapid gastric emptying or altered gastric accommodation, or alternative diagnoses such as cyclic vomiting syndrome or food allergy. Detailed investigation, including various combinations of pHmetry, videofluoroscopy, endoscopy, motility studies, and dumping provocation testing, may be required to clarify pathophysiology and guide management.

Long-term effect of fundoplication on motility of the oesophagus and oesophagogastric junction

BACKGROUND

This study assessed the long-term effect of Nissen fundoplication on oesophageal and oesophagogastric junction (OGJ) motility.

METHODS

Symptoms were scored and oesophageal manometry performed in 34 consecutive patients with chronic gastro-oesophageal reflux disease, before, 3 months after and 2 years after surgery.

RESULTS

Distal peristaltic amplitude increased from a median of 57 (95 per cent confidence interval (c.i.) 18 to 107) mmHg to 86 (95 per cent c.i. 54 to 208) mmHg (P < 0.001) at 3 months and 92 (45 to 210) mmHg (P < 0.001) at 2 years. In four patients the amplitude increased to more than 180 mmHg and three of these patients reported odynophagia. After surgery, a linear relationship was observed between the peristaltic amplitude and nadir OGJ relaxation pressure at 3 months (r(s) = 0.68, P < 0.001) and 2 years (r(s) = 0.64, P < 0.001). A significant correlation was also found between amplitude and both basal OGJ pressure and intrabolus pressure at 3 months (r(s) = 0.58, P < 0.001 and r(s) = 0.63, P < 0.001 respectively) and 2 years (r(s) = 0.71, P < 0.001 and r(s) = 0.49, P = 0.024). There was a relationship between peristaltic amplitude and the odynophagia score at 2 years (r(s) = 0.60, P = 0.017).

CONCLUSION

Within 3 months of fundoplication the amplitude of oesophageal peristalsis increased substantially, leading to a nutcracker oesophagus and odynophagia in a subgroup of patients. These phenomena did not appear to progress with time.