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[Wireless motility capsule (SmartPill)]

2014. 4. 5. APNM의 여러 강의에서 wireless motility capsule (SmartPill)이 소개되었습니다. 캡슐내시경과 비슷하게 생겼는데 CMOS sensor 대신 (1) pH, (2) 압력, (3) 온도를 측정하여 gastric emptying time, small bowel transit time, colon transit time 등을 측정할 수 있다고 합니다. 마침 학회장에서 배포된 JNM 2014년 volume 2에서 관련된 technical review가 실렸습니다. 보다 자세한 정보는 제작사인 GIVEN에서 나온 FAQ를 참조하기 바랍니다.

Technical review: Lee, Erdogan, Rao. How to Assess Regional and Whole Gut Transit Time With Wireless Motility Capsule. JNM 2014:20;265-270

Equipments used for the SmartPill test. (A) The data receiver and laptop with the MotiliGI software is shown. The SmartPill capsule in the buffer is also shown. (B) The inside of a SmartPill capsule. (C) Activation of SmartPill capsule with a magnetic fixture.

The gut transit profile in a patient with gastric emptying time (GET) of 2 hours, small bowel transit time (SBTT) of 3 hours and colonic transit time (CTT) of 12 hours. The tracings for temperature (blue), pH (green) and pressure (red) are shown, along with markers for body entry, gastric emptying, ileocecal entry and body exit.