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J Pediatr Surg. 2019 Jul;54(7):1303-1307. doi: 10.1016/j.jpedsurg.2018.08.051. Epub 2018 Sep 7.

Esophageal dysmotility: An intrinsic feature of megacystis, microcolon, hypoperistalsis syndrome (MMIHS).

Author information

1
Department of Pediatrics, Cincinnati Children's Hospital Medical Center and the University of Cincinnati College of Medicine, The Ohio State University College of Medicine and Nationwide Children's Hospital. Electronic address: samuel.kocoshis@cchmc.org.
2
Department of Pediatrics, University of Nigeria Teaching Hospital.
3
Department Surgery, Cincinnati Children's Hospital Medical Center and the University of Cincinnati College of Medicine, The Ohio State University College of Medicine and Nationwide Children's Hospital.
4
Department of Pediatrics, Cincinnati Children's Hospital Medical Center and the University of Cincinnati College of Medicine, The Ohio State University College of Medicine and Nationwide Children's Hospital.
5
University of Nigeria, Enugu Campus.

Abstract

OBJECTIVES:

Megacystis-microcolon-hypoperistalsis syndrome (MMIHS) also called Berdon's Syndrome, is a smooth muscle myopathy that results in an enlarged bladder, microcolon, and small bowel hypoperistalsis. In our series of six patients with this disorder, all had disordered swallowing. Therefore, we prospectively characterized esophageal structure and function in all.

METHODS:

Diagnoses had been established by contrast radiography, small bowel manometry, and urodynamic studies. To investigate the esophagus, we endoscoped and biopsied the esophagus of each patient on multiple occasions. All patients also underwent water soluble contrast esophagography and esophageal manometry.

RESULTS:

Upon careful questioning, all patients had swallowing dysfunction, and the majority of their enteral intake was via gastrostomy or gastrojejunostomy. All took some oral alimentation, but eating was slow and none could aliment themselves completely by the oral route, receiving 50% or less of their calories by mouth. Four had megaesophagus whereas the esophagus of the two youngest was of normal caliber. All had eosinophilic esophagitis and/or esophageal Candidiasis from time to time, but successful treatment of these findings failed to improve their symptoms. Manometry revealed normal lower esophageal sphincter (LES) resting tone and normal LES relaxation, but for all, peristalsis was absent in the esophageal body.

CONCLUSIONS:

This series expands the spectrum of findings in MMIHS, to include a primary motility disorder of the esophageal body. As patients age, the esophageal caliber appears to increase. Successful treatment of neither esophageal eosinophilia nor Candidiasis is effective in ameliorating the motility disorder. If our findings are confirmed in more patients with MMIHS, this disorder should be renamed, megacystis-microcolon-intestinal-and esophageal hypoperistalsis syndrome.

TYPE OF STUDY:

Prognosis study, Level IV (case series).

KEYWORDS:

Berdon syndrome; Esophageal dysmotility; Intestinal hypoperistalsis; Intestinal pseudoobstruction; Intestinal transplantation; Megacystis–microcolon–intestinal-hypoperistalsis syndrome

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