Wireless capsule endoscopy in children: Lymphangiectasia

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Wireless capsule endoscopy in children: Lymphangiectasia

Postby patoco » Sat Feb 03, 2007 5:13 pm

Wireless capsule endoscopy in children: a study to assess diagnostic yield in small bowel disease in paediatric patients.

J Pediatr Gastroenterol Nutr. 2007 Feb;44

Thomson M, Fritscher-Ravens A, Mylonaki M, Swain P, Eltumi M, Heuschkel R, Murch S, McAlindon M, Furman M.
Centre for Paediatric Gastroenterology, Royal Free Hospital, London, UK.

BACKGROUND AND AIM: Small bowel disease in the paediatric population is varied and to date has relied on indirect l modalities such as small bowel follow-through with attendant radiation exposure. Wireless capsule endoscopy (WCE) has the potential to provide a safer and more effective means of investigating the paediatric small bowel. The aim of our study was to prospectively assess the diagnostic yield of WCE compared with standard investigation in children with suspected small bowel disease.

METHODS: Twenty-eight consecutive patients, median age 12.5 y (range, 9.4-15.9) with suspected small bowel disease were investigated with WCE. This included 16 patients with suspected small bowel Crohn disease (CD) (10 newly diagnosed; 6 known cases), 6 with obscure or occult gastrointestinal bleeding (GIB), 3 with Peutz-Jegher polyposis (PJP), 2 with protein-losing enteropathy and 1 with recurrent abdominal pain. All of the patients had preceding upper gastrointestinal endoscopy (OGD) and ileocolonoscopy, and 24 had a barium meal and follow-through (BMFT). Images were downloaded and analysed and results compared with the endoscopic and radiological findings.

RESULTS: Three patients were unable to swallow the capsule (1 CD, 1 PJP and 1 GIB). Two of these patients (1 GIB, 1 PJP) had the capsule placed in the stomach endoscopically and completed the WCE uneventfully thereafter. In 3 patients (CD group) the capsule remained in the stomach and/or proximal duodenum and no small bowel images were obtained. Hence, 24 patients had successful completion of the WCE through the small bowel, 23 of whom had clinically relevant findings identified. In all patients with CD who had successful WCE studies (12/16), small bowel disease was identified (11/12 active disease, 1/12 chronic disease). A possible small bowel bleeding source was identified in all 6 patients with GIB. Two patients with GIB also underwent push enteroscopy and 1 of these had a bleeding source identified. The 2 patients with protein-losing enteropathy had extensive patchy lymphangiectasia of the jejunum and ileum, not detected at OGD. The patient with abdominal pain had an intussusception of the upper jejunum. The 2 PJP patients had small bowel polyps identified, which were not detected at BMFT. WCE was more sensitive for small bowel pathology than both BMFT (19 vs 5; 26% sensitivity compared with WCE) and endoscopic investigations (23 vs 10; 43.4% sensitivity compared with WCE). Two patients with CD had delayed capsule transit.

CONCLUSIONS: WCE led to a positive alteration in management in 18/24 (75%) of patients whose small bowel was examined by WCE and in 18/28 (64.3%) who were admitted to the study. WCE was safe, well tolerated, and more sensitive than radiological and standard endoscopic modalities in the detection of small bowel CD distribution, GIB source, and presence of polyps in children.

http://meta.wkhealth.com/pt/pt-core/tem ... 2000-00007


Comparison of capsule endoscopy and magnetic resonance (MR) enteroclysis in suspected small bowel disease.

Int J Colorectal Dis. 2006 Mar;21(2):97-104.

Golder SK, Schreyer AG, Endlicher E, Feuerbach S, Scholmerich J, Kullmann F, Seitz J, Rogler G, Herfarth H.
Department of Internal Medicine I, University of Regensburg, 93042, Regensburg, Germany.

Hans Herfarth
Email: hans.herfarth@klinik.uni-regensburg.de
Phone: +49-941-9447010
Fax: +49-941-9447002

BACKGROUND AND AIMS: Small bowel MR enteroclysis and wireless capsule endoscopy (WCE) are new diagnostic tools for the investigation of the small bowel. The aim of this study was to compare the diagnostic yield of WCE with MR enteroclysis in the detection of small bowel pathologies.

METHODS: A total of 36 patients were included in the study. Indications for imaging of the small bowel were proven or suspected small bowel Crohn's disease (CD; n=18), obscure gastrointestinal (GI) bleeding (n=14) and tumour surveillance (n=4).

RESULTS: In patients with Crohn's disease WCE detected significantly more inflammatory lesions in the first two segments of the small bowel compared with MR enteroclysis (12 patients vs. 1 patient, p=0.016). In 5 out of 14 (36%) patients with GI bleeding, angiodysplasia was detected as a possible bleeding source. Three of these patients had active bleeding sites detected by WCE. One patient had scattered inflammation of the mucosa. MR enteroclysis did not reveal any intestinal abnormalities in this patient group. MR enteroclysis provided extraintestinal pathologies in 10 out of 36 (28%) patients.

CONCLUSION: In patients with Crohn's disease WCE revealed significantly more inflammatory lesions in the proximal and middle part of the small bowel in comparison to MR enteroclysis, whereas in patients with obscure GI bleeding WCE was superior to MR enteroclysis.

Keywords: Capsule endoscopy - Enteroclysis - Inflammatory bowel disease - Crohns disease - Gastrointestinal bleeding



Capsule endoscopy versus enteroclysis in the detection of small-bowel involvement in Crohn's disease: a prospective trial.

Clin Gastroenterol Hepatol. 2005 Aug

Marmo R, Rotondano G, Piscopo R, Bianco MA, Siani A, Catalano O, Cipolletta L.
Department of Internal Medicine, Division of Gastroenterology, L. Curto Hospital, Polla, Italy. ricmarmo1@virgilio.it

BACKGROUND & AIMS: The aim of this study was to prospectively compare the diagnostic yield of wireless capsule endoscopy (WCE) and enteroclysis in evaluating the extent of small-bowel involvement in Crohn's disease (CD).

METHODS: Thirty-one patients (20 men; mean age, 43 y) with endoscopically and histologically proven CD underwent enteroclysis as their initial examination, followed by WCE. The radiologist who performed the small-bowel enema was blinded to the results of standard index endoscopy, which included retrograde ileoscopy. Gastroenterologists were blinded to the results of enteroclysis at the time of interpretation of the WCE video.

RESULTS: Abnormal findings were documented in 8 of 31 patients by using enteroclysis and in 22 of 31 patients by using WCE (25.8% vs. 71%, P < .001). In 16 patients with known involvement of the terminal ileum, the diagnostic yield of WCE vs enteroclysis was significantly superior (89% vs 37%, P < .001). In 15 patients without lesions in the terminal ileum, abnormal findings in the proximal small bowel were detected in 7 (46%) patients by WCE and only in 2 (13%) patients by enteroclysis (P < .001). The capsule detected all but 2 lesions diagnosed by enteroclysis. WCE detected additional lesions that were not detected by enteroclysis in 45% of cases.

CONCLUSIONS: WCE is superior to enteroclysis in estimating the presence and extent of small-bowel CD. WCE may be a new gold standard for diagnosing ileal involvement in patients with CD without strictures and fistulae.

http://www.ncbi.nlm.nih.gov/entrez/quer ... s=16234005


Capsule endoscopy vs. push enteroscopy and enteroclysis in suspected small-bowel Crohn's disease.

Gastrointest Endosc. 2005 Feb

Chong AK, Taylor A, Miller A, Hennessy O, Connell W, Desmond P.

BACKGROUND: The diagnosis of small-bowel Crohn's disease sometimes is difficult and may be missed by conventional imaging studies. Capsule endoscopy might identify small-bowel disease undetected by other investigations.

METHODS: Patients with or without known Crohn's disease who were suspected to have small-bowel Crohn's disease were prospectively evaluated with push enteroscopy, enteroclysis, and capsule endoscopy. Each examiner was blinded to results of other investigations. Referring doctors were required to complete questionnaires before and after the investigations.

RESULTS: Twenty-two patients were known to have Crohn's disease (Group 1), and 21 were suspected to have small-bowel Crohn's disease (Group 2). In Group 1, capsule endoscopy detected more erosions than the other two investigations (p < 0.001). In Group 2, a new diagnosis of Crohn's disease was made in two patients, but there was no significant difference in yield compared with the other two investigations. Referring physicians rated the usefulness of capsule endoscopy as 4.4 on a scale of 5. Capsule endoscopy changed management for 30 patients (70%).

CONCLUSIONS: Capsule endoscopy has a higher yield than push enteroscopy and enteroclysis in patients with known Crohn's disease when small-bowel mucosal disease is suspected, and this leads to a change in management in the majority of these patients.

http://linkinghub.elsevier.com/retrieve ... 0704025714


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