It’s worth the cost

Recently the cost of Sitzmarks® increased to $175 (for 12)–it’s worth the cost.  According to one study, the use of a transit study helps determine which patients will benefit from colonic manometry (JPGN 2012; 54: 258-62).  A retrospective review of 24 children showed that all five children with normal oral-anal transit (OTT) studies had normal colonic manometry.  In contrast, 9/19 (47%) with abnormal (slow OTT) had abnormal colonic manometry.

The authors define their approach to OTT which is helpful.

  • In patients with a fecal impaction, this was cleared prior to starting study
  • If patients had difficulty with capsule ingestion, markers were administered by embedding in part of a banana or mixed with applesauce
  • Stimulant laxatives withheld for 72hrs prior to study
  • AXR obtained on days 3 and 5
  • Slow OTT (abnormal) defined as >6 markers proximal to rectum on day 5

Of those with abnormal colonic manometry, two-thirds (6) were referred for surgical intervention; one patient with normal OTT had surgery.  Surgeries:  3 cecostomy, 4 subtotal colectomy.

Additional references:

  • -JPGN 2004; 38: 75. Colostomy in 10 children with intractable constipation.
  • -Arch Dis Child. 2004 Jan;89(1):13-6. Benninga MA, Voskuijl WP, Akkerhuis GW, Taminiau JA, Buller HA. Related Articles,  Colonic transit times and behaviour profiles in children with defecation disorders.
  • -J Pediatr Surg. 2004 Jan;39(1):73-7. Youssef NN, Pensabene L, Barksdale E Jr, Di Lorenzo C.  Is there a role for surgery beyond colonic aganglionosis and anorectal malformations in children with intractable constipation?
  • -Am J Gastroenterol. 2003 May;98(5):1052-7.  Pensabene L, Youssef NN, Griffiths JM, Di Lorenzo C. Related Articles, Colonic manometry in children with defecatory disorders. role in diagnosis and management.
  • -JPGN 2002 Jul;35(1):31-8. Gutierrez C, Marco A, Nogales A, Tebar R. Total and segmental colonic transit time and anorectal manometry in children with chronic idiopathic constipation.
  • -JPGN 2001 Nov;33(5):588-91.  Villarreal J, Sood M, Zangen T, Flores A, Michel R, Reddy N, Di Lorenzo C, Hyman PE.  Colonic diversion for intractable constipation in children: colonic manometry helps guide clinical decisions.
  • -http://www.sitzmarks.com/buyonline.aspx

7 thoughts on “It’s worth the cost

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