Evaluation of minimally invasive approaches to achalasia in children

Current management of pediatric achalasia

Achalasia is a rare condition affecting esophageal motility in children. In a manner similar to the disease found in the adult population, children experience symptoms of dysphagia, regurgitation, and chest pain due to a failure of relaxation of the lower esophageal sphincter. Standard diagnostic approaches include upper endoscopy and esophageal manometry. New developments in diagnosis include high-resolution esophageal manometry and the endoscopic functional lumen imaging probe. Therapies available include endoscopic balloon dilations and botulinum toxin injections into the lower esophageal sphincter, as well as surgical interventions. The Heller myotomy was first described in 1913; since then, there have been many modifications to the procedure to improve outcomes and lower morbidity. Currently, the most commonly performed surgical procedure is the laparoscopic Heller myotomy, in which the sphincter muscle is divided using longitudinal incisions with or without a partial fundoplication procedure. In recent years, per oral endoscopic myotomy (POEM) is gaining support as a viable natural orifice therapy for achalasia. Complications of POEM occur at a relatively low rate, and outcomes following the procedure have been promising. The treatment of end-stage achalasia however, may include partial or total esophagectomy with reconstruction if possible. Future research is focused primarily on increasing the efficacy, and lowering complications, of existing therapeutic modalities.

Long-term outcomes of Heller's myotomy and balloon dilatation in childhood achalasia

Achalasia is a rare esophageal motility disorder: its optimal treatment in children is still a matter of debate. Records of children treated for achalasia, over an 18-year period, were reviewed.Forty-eight children (median age at diagnosis 10 years; range 3-17 years) were identified. Twenty-eight patients were initially treated with Heller's myotomy (HM) and 20 with balloon dilatation (BD). At last follow-up (median 3 years; range 1-5.5 years), 43.8% (21/48) of children were symptom free. The number of asymptomatic children was significantly higher among those treated initially with HM compared to BD (HM 15/28, 53.6% BD 6/20, 30%, p < 0.05). All children who underwent BD required HM due to symptom recurrence. The median (range) total number of procedures was significantly higher in the BD group (BD 3 (1-7); HM 1 (1-5); p < 0.05) with a shorter time to the second intervention (BD 14 months, 95%CI 4-24; HM 58 months, 95%CI 38-79; p < 0.05). Of 108 procedures, esophageal perforation occurred in two children after HM (two out of 48 HM procedures in total, 4%) and one child after BD (1/60, 1.7%).

CONCLUSION

Less than half of children with achalasia are symptom free after initial treatment with either BD or HM. HM, however, when performed as first procedure, provided longer symptom-free period and reduced need for subsequent intervention. What is Known: • Balloon dilatation (BD) and Heller's myotomy (HM) are safe and effective treatment options for achalasia. • Controversy, however, exists regarding the most effective initial therapeutic approach. What is New: • HM with or without fundoplication may represent the initial therapeutic approach of choice. • Initial BD may negatively affect the outcome of a subsequent HM.

Results of Laparoscopic Heller's Myotomy for Achalasia in Children: A Systematic Review of the Literature

INTRODUCTION

Achalasia is a rare disorder in children who are commonly treated by laparoscopic Heller's myotomy (LHM). However, there are no large studies evaluating the results of LHM in the pediatric population, and the need of a concomitant fundoplication remains unclear. The aim of the study is to appraise the results of LHM based on a systematic literature review.

MATERIALS AND METHODS

MEDLINE search of the English literature was performed for "achalasia," "children," "laparoscopy," "Heller," "myotomy," and "cardiomyotomy." Frequency of postoperative symptoms was grouped to calculate the percentage of patients with symptoms improvement. Incidence of postoperative gastro-esophageal reflux (GER) and dysphagia between patients with and without fundoplication at the time of LHM was compared by Fisher's Exact Test. P < .05 was regarded as significant.

RESULTS

Twenty-one studies were analyzed (331 children, 1-19 years). All studies were retrospective case-series reviews. Intraoperative complications occurred in 33 patients (10%), with esophageal perforations in 31 (9%), and conversion to open procedure in 9 (2.7%). Fundoplication was performed in 271 (82%): Dor (n = 205, 76%), Toupet (n = 49, 18%), Thal (n = 13, 4.5%), and Nissen (n = 4, 1.5%). Incidence of postoperative GER and dysphagia was similar between children with and without fundoplication (P = 1). Forty-nine (15%) required re-intervention: pneumatic dilatations (n = 30, 9%), redo-surgery (n = 23, 7%), botox injection (n = 1, 0.3%), and medical therapy (n = 5, 1.5%).

DISCUSSION

LHM for achalasia is effective in 85% of children. Revision surgery is required in 7%. There is no difference in incidence of GER and dysphagia between patients with and without fundoplication. Routine use of an additional fundoplication might not be justified.

Heller Myotomy Is Superior to Balloon Dilatation or Botulinum Injection in Children with Achalasia: A Two-Center Review

INTRODUCTION

Achalasia is an uncommon disorder in children. Currently, there is no consensus regarding the optimal treatment for achalasia. We investigate the effectiveness of symptom relief in patients who underwent endoscopic treatments versus Heller myotomy (HM).

METHODS

We conducted a retrospective review of all children (age 0-18 years) treated for achalasia at two pediatric hospitals from 2004 to 2014. Demographics, presenting symptoms, outcomes, and complications were analyzed.

RESULTS

Twenty-three patients (61% male) were identified with a mean age at diagnosis of 11.6 ± 5.0 years. About 47.8% of the cohort had no comorbidities. Common presenting symptoms included weight loss/failure to thrive (87.0%), emesis (69.6%), and dysphagia (69.6%). Mean time from symptom onset to diagnosis was 18 ± 18.9 months. Nine patients underwent laparoscopic HM as their primary treatment, whereas 14 received esophageal dilatation (ED) as their first-line therapy. Patients who underwent ED as their initial treatment were younger (9.92 versus 15.6 years, P = .047). Patients who underwent HM were more likely to attain symptom resolution compared to those managed with ED alone (P = .004). Of the 14 patients who underwent ED initially, 10 subsequently required HM due to persistent symptoms. None of the 4 patients who underwent ED alone achieved long-term symptom relief and, on the average, required an increased number of procedures compared to their HM counterparts (5.25 versus 2.47, P = .010). There was a trend toward increased intraoperative mucosal perforation in patients who underwent preoperative ED and botulinum injections.

CONCLUSION

Our data suggest that HM is superior to balloon dilatation or botulinum injection in children with achalasia. We conclude that HM should be recommended for newly diagnosed children with achalasia as a first-line therapy.

Early myotomy and fundoplication in achalasia in childhood: a single-centre experience for 22 years

Introduction The aim of this study was to review a single institution's experience with surgical interventions in children with achalasia and to determine treatment strategies for this rare disorder. Patients and methods This study is a retrospective analysis of 22 cases of childhood achalasia from 1991 to 2013. The patients were evaluated in terms of age, symptoms, interventions, intraoperative complications, and recurrent dysphagia. Results There were 13 boys and nine girls (7 months to 17 years old). The clinical symptoms were vomiting (68%), dysphagia (36%), wheezing (18%), coughing (13%), and weight-loss (13%). The mean duration of symptoms was 2.4 years (1 month to 6 years). A barium contrast X-ray study was performed in all of the patients. Oesophageal manometry was performed in eight patients. Six patients underwent multiple oesophageal dilatations (ED) as a first intervention. A Heller myotomy (HM) and fundoplication were performed in all the patients except two patients who recovered with dilatation. In the long term, one patient had a stricture due to the operation and had to undergo a reoperation. Of the Heller myotomy patients, one had a recurrent stricture that responded to dilatation. No other complications were present. All the patients are now asymptomatic. Conclusion Early diagnosis and prompt surgical treatment is important to prevent growth impairment in childhood achalasia cases. A Heller myotomy followed by a partial anti-reflux procedure is an effective treatment for achalasia in children. Based on our experience, it is superior to oesophageal dilatation therapy.

Laparoscopic esophagomyotomy for achalasia in children: A review

Esophageal achalasia in children is rare but ultimately requires endoscopic or surgical treatment. Historically, Heller esophagomyotomy has been recommended as the treatment of choice. The refinement of minimally invasive techniques has shifted the trend of treatment toward laparoscopic Heller myotomy (LHM) in adults and children with achalasia. A review of the available literature on LHM performed in patients < 18 years of age was conducted. The pediatric LHM experience is limited to one multi-institutional and several single-institutional retrospective studies. Available data suggest that LHM is safe and effective. There is a paucity of evidence on the need for and superiority of concurrent antireflux procedures. In addition, a more complete portrayal of complications and long-term (> 5 years) outcomes is needed. Due to the infrequency of achalasia in children, these characteristics are unlikely to be defined without collaboration between multiple pediatric surgery centers. The introduction of peroral endoscopic myotomy and single-incision techniques, continue the trend of innovative approaches that may eventually become the standard of care.

Advances in minimally invasive surgery in pediatric patients

Surgery has changed dramatically over the last several decades. The emergence of MIS has allowed pediatric surgeons to manage critically ill neonates, children, and adolescents with improved outcomes in pain, postoperative course, cosmesis, and return to normal activity. Procedures that were once thought to be too difficult to attempt or even contraindicated in pediatric patients in many instances are now the standard of care. New and emerging techniques, such as single-incision laparoscopy, endoscopy-assisted surgery, robotic surgery, and techniques yet to be developed, all hold and reveal the potential for even further advancement in the management of these patients. The future of MIS in pediatrics is exciting; as long as our primary focus remains centered on developing techniques that limit morbidity and maximize positive outcomes for young patients and their families, the possibilities are both promising and infinite.

Pediatric minimally invasive surgery: laparoscopy and thoracoscopy in infants and children

This article discusses the potential benefits and challenges of minimally invasive surgery for infants and small children, and discusses why pediatric minimally invasive surgery is not yet the surgical default or standard of care. Minimally invasive methods offer advantages such as smaller incisions, decreased risk of infection, greater surgical precision, decreased cost of care, reduced length of stay, and better clinical information. But none of these benefits comes without cost, and these costs, both monetary and risk-based, rise disproportionately with the declining size of the patient. In this review, we describe recent progress in minimally invasive surgery for infants and children. The evidence for the large benefits to the patient will be presented, as well as the considerable, sometimes surprising, mechanical and physiological challenges surgeons must manage.

Single-port laparoscopic Heller myotomy and Dor fundoplication: initial experience with a new approach for the treatment of pediatric achalasia

PURPOSE

The aim of this report was to evaluate the safety and feasibility of single-port laparoscopic Heller myotomy and Dor fundoplication (SPLHD) as treatment of pediatric esophageal achalasia.

METHODS

A 9-year-old boy with a significant history of achalasia underwent SPLHD. The single-port was inserted using an umbilical incision. The falciform ligament and left liver lobe were raised using an elevating suture, providing good visualization of the operative field at the cardia. The Heller myotomy was planned to be 4 cm long, extending 1 cm onto the gastric wall.

RESULTS

The SPLHD was successfully accomplished without the need for any skin incisions or additional ports. Oral intake was resumed on the first postoperative day, and the length of hospital stay was 8 days. The patient had complete resolution of dysphagia and regurgitation. No complications were noted, and the patient had an excellent cosmetic result.

CONCLUSIONS

The SPLHD is a safe and feasible procedure for symptomatic pediatric achalasia when performed by a surgeon experienced in laparoscopic and esophageal surgery.

Laparoscopic extended cardiomyotomy in children: an effective procedure for the treatment of esophageal achalasia

PURPOSE

Achalasia of the esophagus is characterized by aperistalsis and incomplete relaxation of the lower esophageal sphincter in response to swallowing. The objective of the present study is to present the experience of a modified Heller myotomy via a laparoscopic approach for the treatment of children who had this condition.

METHODS

A retrospective review of medical records of all patients who underwent this procedure from 2000 to 2009 was performed. The procedure consisted of an extended esophagomyotomy beginning on the lower part of the lower esophageal sphincter and continuing 5 to 6 cm above on the lower third of the esophagus, and then extended 3 to 4 cm below to the stomach, associated with an anterior 180-degree hemi-fundoplication according to Dor's technique.

RESULTS

Fifteen patients were included in the study. There were 8 female and 7 male patients. Mean operating time was 190 minutes with no intraoperative complications and 1 conversion to open surgery because of difficulty in dissecting an inflamed distal esophagus. In a mean follow-up period of 32.3 months, 2 patients had recurrence of mild dysphagia that disappeared spontaneously, and 1 required a single botulinum toxin injection with complete resolution of symptoms.

CONCLUSION

We conclude that the laparoscopic extended Heller myotomy with Dor fundoplication is a safe and effective method for the treatment for achalasia in the pediatric population even in advanced cases.

Outcomes of treatment of childhood achalasia

PURPOSE

The optimal management of achalasia in children and adolescents remains unclear. The aim of this study was to review a single institution's experience with endoscopic and surgical interventions in children with achalasia.

METHODS

A retrospective review was conducted of the medical records of children treated for achalasia from 1978 to 2008. Patient demographics and interventions were reviewed. Outcomes after procedural intervention were evaluated.

RESULTS

Thirty-five patients with achalasia were identified, and data were available for 34 (age, 13 +/- 6 years; male, 62%). Eighteen patients underwent esophageal dilation (ED), and 16 patients underwent Heller myotomy (HM). Follow-up was available for 30 patients (ED, 15; HM, 15). There was symptom recurrence in 15 of 15 ED cases and 8 (53%) of 15 HM cases (P < .01). Additional interventions were performed in 14 (93%) of 15 ED cases and 6 (40%) of 15 HM cases (P < .01).

CONCLUSIONS

Heller myotomy may provide more durable long-term outcomes, as defined by symptom recurrence and need for subsequent intervention, and may be considered the procedure of choice.

A single center 26-year experience with treatment of esophageal achalasia: is there an optimal method?

PURPOSE

Treatment modalities for achalasia are evolving and remain controversial. Herein, we report the relative efficacy and outcomes after dilatation or myotomy in children with achalasia.

METHODS

A retrospective analysis of all children treated for achalasia at a tertiary center from 1981 to 2007 was performed (n = 40). Demographics, presenting symptoms, perioperative parameters, and outcomes were analyzed using t tests and chi(2) statistics.

RESULTS

Thirty patients were initially treated by esophageal dilatation (ED), whereas 10 were treated by laparoscopic or open Heller myotomy (HM). Both groups were similar with respect to age (10.6 vs 12.4 years; P = .19). There were 18 males and 12 females in the ED group, compared to 5 males and 5 females in the HM group (P = .72). Mean duration of symptoms before diagnosis, including dysphagia, vomiting, food sticking, chest pain, and weight loss, was 15.9 months for ED and 10.7 months for HM (P = .41). Mean time from diagnosis to initial intervention was 76 days in ED vs 86 days in HM (P = .78). Subsequent interventions by myotomy or both dilatation and myotomy were required in 9 (30%) of 30 patients in the ED group and 2 (20%) of 10 patients in the HM group (P = .70). A clear transition from open to laparoscopic approach occurred between 1995 and 2001. Mean operating times were comparable (186.3 vs 156.0 minutes; P = .48). Of 14 laparoscopic myotomies, 11 (79%) had fundoplication, and 2 (18%) of the 11 were converted to open procedure. Intraoperative mucosal perforation rates were similar between open and laparoscopic groups (17% vs 18%). At follow-up, 32% of ED patients vs 43% HM had complete symptom relief (mean follow-up duration, 75.2 months; SD, 196.5).

CONCLUSION

Both dilatation and myotomy are effective immediate treatment of achalasia. A clear transition to and preference for laparoscopic approach has occurred in the treatment of achalasia in children.

Minimally invasive Heller's myotomy in children: safe and effective

PURPOSE

The aim of the study was to review a single institution experience of minimally invasive Heller's myotomy in pediatric patients with achalasia.

METHODS

An institutional review board-approved retrospective review from 1999 to 2005 identified patients 18 years old and younger who underwent a minimally invasive Heller's myotomy for achalasia.

RESULTS

Twenty-six patients were identified with a mean age of 15 (range, 4-18 years). There were 11 female and 15 male patients. There were 3 intraoperative complications (2 esophageal mucosal injuries and 1 aspiration). There was no mortality. All 26 surgeries were completed laparoscopically. Two patients had Dor fundoplication, whereas 23 patients had Toupet fundoplication. Average length of hospital stay was 2.7 days (range, 1-4 days) excluding the 3 patients with intraoperative complications and 3.5 days for all patients (range, 1-17 days). Postoperative follow-up ranged from 0 to 75 months (mean, 20 months). Postoperatively, one patient developed reflux symptoms (incidence 4%). Seven patients (27%) had recurrence of symptoms at a mean of 13 months (range, 1-66 months) after their operation.

CONCLUSIONS

Laparoscopic Heller's myotomy with fundoplication is a safe and effective treatment of symptomatic achalasia in the pediatric population. Complications were low in this group of patients and comparable to other published reports in the literature.

Esophageal achalasia of unknown etiology in infants

BACKGROUND

Achalasia cardia is an uncommon disease in children particularly in infants. We present 8 cases of achalasia who were encountered over a 12-year period. In infantile achalasia, respiratory symptoms predominate and vomiting may easily be mistaken for gastroesophageal reflux (GER). Vomiting of uncurdled milk is characteristic of achalasia.

METHODS

In this retrospective study, the data were obtained from records of the Department of Pediatric Surgery IMS, BHU Varanasi, India. The patients were diagnosed by clinical examination and barium study. Any other associated anomalies were noted in these patients. The patients underwent esophagocardiomyotomy with antireflux procedure via the abdominal route.

RESULTS

In the present series, 7 patients survived. The follow-up study after operation showed remarkable relief of symptoms with satisfactory weight gain. No post-operative death occurred in the patients. Achalasia associated with alacrimia was noted in one infant who was lost to follow up. One infant was initially diagnosed as having gastric volvulus, but exploration revealed achalasia cardia.

CONCLUSIONS

Esophageal achalasia is a rare disease in children and its origin is generally indeterminable. Achalasia cardia should be emphasized in the differential diagnosis of an infant presenting with signs and symptoms of esophageal obstruction.

Intraoperative manometry during laparoscopic Heller myotomy improves outcome in pediatric achalasia

BACKGROUND

Achalasia is a rare disorder with less than 5% of patients diagnosed in childhood. Although Heller esophagocardiomyotomy is a proven intervention, incomplete myotomy can lead to clinical failure. Intraoperative esophageal manometry has been used to ensure adequacy of myotomies in adults. The purpose of the present study was to review our experience in the management of children with achalasia.

METHODS

A retrospective review was conducted on the medical records of patients with achalasia diagnosed between November 1999 and March 2007. Patient demographics and interventions were recorded. Outcomes after surgical intervention and esophageal dilation were assessed. Mean follow-up was 3.5 +/- 0.6 years. Intraoperative manometry was used over the past 3 years.

RESULTS

Nineteen patients were treated for achalasia. The average age at diagnosis was 13.8 +/- 0.8 years. Most patients underwent esophageal dilation (14/19), receiving on average 2.1 +/- 0.3 dilations. One patient experienced a contained perforation that was treated conservatively. Eleven patients underwent myotomy, as primary therapy (n = 5) or after recurrence of symptoms after dilation (n = 6). Six patients underwent intraoperative manometry. More patients who underwent Heller myotomy without intraoperative manometry had recurrence of symptoms (80% vs 0%, P < .05).

CONCLUSION

Inadequate myotomy is a potential cause for recurrent symptoms after esophagocardiomyotomy in childhood achalasia. Intraoperative esophageal manometry is a safe technique that may improve the success rate of surgery by confirming the adequacy of myotomy thereby decreasing recurrence of symptoms.

Laparoscopic Heller myotomy with anterior fundoplication ameliorates symptoms of achalasia in pediatric patients

BACKGROUND

This study was undertaken to define outcomes after laparoscopic Heller myotomy with anterior fundoplication in pediatric patients and compare their outcomes with those in adults.

STUDY DESIGN

A total of 337 patients have undergone laparoscopic Heller myotomy with anterior fundoplication since 1992, and were prospectively followed; 14 were pediatric patients of median age 17 years (range 11 to 19 years). Symptoms noted by pediatric patients before and after myotomy were compared with symptoms of 56 concurrently treated adults (4 treated adults for each pediatric patient) of median age 48 years. Among many symptoms, patients scored the severity and frequency of dysphagia, chest pain, regurgitation, choking, vomiting, and heartburn before and after myotomy using a Likert scale, ranging from 0 (never/not bothersome) to 10 (always/very bothersome). Followups were 38 months, 42 months+/-33.1. Data are reported as median, mean +/- SD.

RESULTS

For pediatric patients, length of stay after myotomy was 2 days, 3 days+/-2.9 versus 2 days, 2+/-2.1 for adults. Before myotomy, symptom frequency and severity were similar between groups. After myotomy, symptom frequency and severity were similar between pediatric and adult patients, except for the frequency of chest pain.

CONCLUSIONS

Achalasia can produce disabling symptoms, which were similar between pediatric and adult patients before myotomy. Laparoscopic Heller myotomy with anterior fundoplication ameliorated symptoms of achalasia in all patients, with postmyotomy symptoms similar between pediatric and adult patients. Laparoscopic Heller myotomy dramatically improved symptoms of achalasia in pediatric patients and its use is encouraged.

Minimally invasive surgery for achalasia: combined experience of two European centers

BACKGROUND

The present report summarizes 12 cases with achalasia treated with laparoscopic Heller myotomy and anterior fundoplication according to the method of Thal and Dor.

PATIENTS AND METHODS

From 1997 to 2005 at 2 institutions in Europe, 12 patients (7 male and 5 female, ages ranging from 3.5 to 7 years) were treated for esophageal achalasia (EA) with laparoscopic Heller myotomy and anterior fundoplication according to Thal and Dor. In 1 case a perforation of the esophageal mucosa occurred, which was promptly treated during surgery. Follow-up ranged from 18 to 60 months and included clinical examination and barium radiography of the upper digestive tract.

RESULTS

Postoperatively, 10 patients showed a normal weight curve and complete resolution of symptoms. All patients showed complete regression of digestive and respiratory symptoms from the first examination, with a normal oral meal intake and an improvement of weight and height parameters. One case required repeat intervention after 2 years because of persisting pain; in this case surgery revealed an insufficient myotomy.

CONCLUSIONS

Modified extramucosal Heller cardiomyotomy associated with 180 degree anterior antireflux plastic surgery (according to Thal and Dor's procedures) is a useful and safe procedure in the treatment of EA in pediatric patients. Our data, which are supported by long-term follow-up, also stress the relevance of anterior fundoplication in preventing postoperative gastroesophageal reflux.

Laparoscopic myotomy for oesophageal achalasia--adding an antireflux procedure is not always necessary

Laparoscopy is the access of choice for functional surgery of the gastroesophageal junction, and oesophagocardiomyotomy, as the conventional surgical treatment of achalasia, is one of the favourable indications for laparoscopic surgery. Laparoscopic anterior myotomy technique is highly effective and secure for relieving dysphagia with minimal risk of gastroesophageal reflux. Fifteen patients with the diagnosis of achalasia were treated with laparoscopic anterior face oesophagocardiomyotomy without a concomitant antireflux procedure. There was not any perioperative complication and no procedure was converted to open operation. Oesophageal cineradiography, manometry and 24-h pH monitoring were repeated postoperatively. Manometry showed a significant reduction of the resting tone (48-34.4 to 18-3.2 mmHg), and patients were free of symptoms for reflux and dysphagia at the follow-up between 8 and 96 (median 42) months. Only one patient needed pneumatic dilation, 1 year after the operation for mild dysphagia, and one patient had moderate reflux, which was managed by medication. Thanks to minimal invasive technique of laparoscopic surgery and intraoperative endoscopy, oesophagocardiomyotomy can safely be performed in a length needed without dividing lateral and posterior phrenoesophageal ligamentous attachments. Consequently, adding an antireflux procedure routinely is not necessary. We advocate laparoscopic anterior oesophagocardiomyotomy alone as the first-line treatment for achalasia.

Current concepts in minimal access surgery for children

Since the introduction of minimal access surgery to general surgeons in the 1980s, pediatric surgeons have been employing this innovative technology to perform surgery on children. Video technology and miniaturized instruments have brought the laboratory to the operating room; in many cases several small incisions are the only access necessary to perform complicated procedures that would otherwise require a large wound. Additional benefits of minimal access surgery may include reduced postoperative analgesic requirements, shortened length of stay, and faster resumption of normal activities. Increased operative costs offset some of these gains. The pediatric surgical community has embraced minimal access techniques for some operations; others remain controversial.

Reoperative esophageal surgery

Reoperative esophageal surgery can be a very challenging endeavor. Preoperative evaluation, planning and preparation are essential to optimize results. A general reoperative approach and the range of reconstructive options are outlined. Management of specific problems is discussed including stricture, recurrent gastroesophageal reflux, recurrent tracheoesophageal fistula, esophageal interposition, and recurrent achalasia.

Laparoscopic adrenalectomy and esophagomyotomy

Recent improvements in laparoscopic equipment, technique, and skills have contributed to advancement of the laparoscopic approach to even relatively rare pediatric surgical diseases. Two invasive operations that now may be approached laparoscopically are adrenalectomy and esophagomyotomy. Both techniques, initially described in the early 1990s, are particularly well suited for the laparoscopic approach and have become accepted as the preferred technique among general surgeons. Despite infrequent indications for either of these operations in children, pediatric surgeons experienced in minimally invasive techniques may apply the laparoscopic approach in a safe and effective manner. Furthermore, regarding achalasia in the pediatric population specifically, the offering of a less-invasive surgical approach may contribute toward more primary definitive surgical management being offered initially rather than after prolonged supportive medical care. The goal of this article is to familiarize the reader with the current laparoscopic approach to benign pediatric adrenal conditions and esophageal motility disorders in children.

Esophageal motor disorders

Refinements continue in the measurement, display, and interpretation of pressure events that serve as signatures of esophageal motor disorders, and esophageal manometry retains its position as the diagnostic gold standard. The focus of attention remains with achalasia, not because of pathophysiologic developments or changing prevalence, but in response to the growing interest in minimally invasive surgery and its success. Some controversy remains regarding the role of preoperative motility assessments in patients undergoing antireflux surgery, as peristaltic features do not solely predict outcome. The disconnect between motor dysfunction and symptoms continues to promote careful consideration of sensory dysfunction as a component of esophageal motor disorders.