Rare POEM Procedure Successfully Performed on 8-Year-Old
Medical specialists at Rela Hospital in Chennai have successfully performed a complex, minimally invasive Peroral Endoscopic Myotomy (POEM) on an eight-year-old boy diagnosed with Type II achalasia. The rare pediatric condition severely impaired the child’s ability to swallow both solid foods and liquids, causing significant distress and health concerns. The specialized procedure was led by a multidisciplinary team including pediatric gastroenterologists and endoscopic surgeons, marking a notable milestone in managing rare pediatric esophageal motility disorders.
Achalasia is characterized by the dysfunction of nerves controlling the esophageal muscles, specifically leaving the lower esophageal sphincter—the muscular valve connecting the food pipe to the stomach—abnormally tight. Because this valve fails to relax properly, food and liquids become trapped, preventing normal digestion. Medical literature notes that achalasia is exceedingly rare in children, with an estimated annual incidence of just 0.1 to 0.18 per 100,000 individuals. For this young patient, the condition had grown progressively severe, leading to immediate intervention requirements.
📌 Key Takeaways
- An 8-year-old boy diagnosed with Type II achalasia was successfully treated at Rela Hospital in Chennai.
- The patient underwent a Peroral Endoscopic Myotomy (POEM), a scarless, minimally invasive procedure lasting about 50 minutes.
- Achalasia is a rare swallowing disorder affecting roughly 0.1 to 0.18 children per 100,000 annually.
- The child resumed consuming clear liquids and a soft diet within 24 hours of the surgery.
Understanding Type II Achalasia and Pediatric Symptoms
Achalasia fundamentally disrupts the normal physiology of the digestive tract. In healthy individuals, swallowing triggers a wave of muscle contractions known as peristalsis that pushes food down the esophagus, while the lower esophageal sphincter relaxes to let contents enter the stomach. In patients with Type II achalasia, this coordination fails completely, and the sphincter remains stubbornly constricted. According to Dr. Dinesh Jothimani, Director of Hepatology and Medical Gastroenterology at Rela Hospital, parents and clinicians should monitor for persistent swallowing difficulties, frequent regurgitation, unexplained vomiting, and sudden, unexplained weight loss in children, as these symptoms warrant urgent medical evaluation.
In pediatric cases, the rarity of the condition often complicates early diagnosis. Children may struggle to articulate their discomfort accurately, frequently attributing the sensation of food getting stuck to routine eating habits or minor throat irritation. Left untreated, chronic malnourishment and esophageal dilation can severely impact a child’s growth and overall development. Traditional diagnostic workups typically involve barium swallow tests, manometry, and upper gastrointestinal endoscopies to confirm the exact subtype and severity of esophageal motor failure.
The Mechanics of Peroral Endoscopic Myotomy
The POEM procedure represents a major paradigm shift away from traditional open or laparoscopic surgeries. Performed by Dr. S.N.K. Chenduran, senior consultant and endoscopic surgeon in the Department of Medical Gastroenterology, the operation took approximately 50 minutes. Because the procedure was performed on a pediatric patient, it required exceptional surgical precision due to the significantly smaller dimensions of the pediatric esophagus and highly delicate mucosal tissues.
During a POEM procedure, the surgeon passes a specialized endoscope directly through the patient’s mouth, completely bypassing the need for external skin incisions or chest wall punctures. The endoscope creates a tiny mucosal tunnel within the wall of the esophagus. Navigating down to the lower esophageal sphincter, the surgeon cuts and divides the specific muscle fibers that cause the obstruction. Once these fibers are severed, the sphincter relaxes, allowing normal passage of food and liquids into the stomach. The entry site inside the esophagus is then securely closed using endoscopic clips.
Technical Engineering and Surgical Execution
The engineering and mechanical principles underlying the Peroral Endoscopic Myotomy represent a sophisticated convergence of flexible endoscopy, electrocautery, and mucosal tunneling techniques. Developed originally as a less invasive alternative to laparoscopic Heller myotomy, POEM requires specialized instruments that operate within the highly constrained spatial environment of the human gastrointestinal tract. The primary technical objective is to access the circular muscle layer of the esophagus without compromising the mucosal barrier that protects the mediastinum from bacterial contamination.
During the operation, the endoscopist utilizes a high-definition gastroscope equipped with a transparent distal cap to maintain a clear visual field. After injecting a lifting solution into the submucosal space approximately 10 centimeters above the lower esophageal sphincter, the physician creates a mucosal entry port using an electrocautery knife. This creates a working tunnel within the submucosa, effectively separating the mucosal lining from the muscularis propria down into the gastric cardia.
Clinical Recovery and Real-World Implications
The advantages of modern endoscopic interventions over conventional surgical myotomies are substantial, particularly for pediatric patients. Traditional open or laparoscopic surgeries involve abdominal or thoracic incisions, leading to longer hospital stays, increased postoperative pain, and extended recovery periods. In contrast, the scarless nature of POEM significantly minimizes physical trauma.
The clinical trajectory for this eight-year-old patient underscores the efficacy of the approach. Within 24 hours of completing the 50-minute procedure, the child successfully resumed consuming clear liquids. Medical staff steadily progressed him to a soft diet soon after, noting a complete immediate relief from the primary obstruction. This rapid recovery timeline demonstrates how advanced therapeutic endoscopy is transforming outcomes for complex pediatric gastrointestinal disorders.
Frequently Asked Questions
What is achalasia in children?
Achalasia is a rare motility disorder where the nerves controlling the esophagus fail to function properly. This causes the lower esophageal sphincter to stay tightly closed, preventing food and liquids from entering the stomach.
How does the POEM procedure work?
Peroral Endoscopic Myotomy (POEM) involves inserting an endoscope through the mouth, creating a small tunnel inside the esophageal wall, and dividing the tight muscle fibers causing the obstruction without making any external incisions.
How common is achalasia in pediatric patients?
It is exceptionally rare, with epidemiological estimates showing that it affects roughly 0.1 to 0.18 children per 100,000 annually.
What are the warning signs of swallowing disorders in kids?
Key warning signs include persistent difficulty swallowing solids or liquids, regular regurgitation, vomiting after meals, and unexplained weight loss or failure to thrive.
Sources and further reading
For more details on this medical milestone, read the original report on The Hindu.
