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Fecal tag CT colonography with a limited 2-day bowel preparation following incomplete colonoscopy

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Abstract

Purpose

This study aimed to assess the feasibility and patient tolerance of a 2-day limited fecal tag bowel preparation in computed tomographic colonography (CTC) performed for incomplete conventional colonoscopy (CC) patients.

Materials and methods

Seventy-five patients who underwent a CTC examination fbecause of incomplete CC were included. A low-residue diet was given for 2 days before CTC. Fecal tagging (FT) was done using a barium sulfate suspension. The quality of the preparation, success of tagging and patient experience with the bowel preparation were investigated.

Results

Four hundred fifty bowel segments were evaluated. The number of solid stool balls of 6–9 mm size was 284; the corresponding figure was 93 for solid stool balls ≥10 mm. Residual fluid was present in about one-third of the segments. The fecal tagging efficacy for ≥6 mm residual stool balls was 92 %. Overall, 16 (21.3 %) patients presented with colonic lesions at CTC. Three out of four colonic mass lesions had not been diagnosed with CC. Most patients reported mild discomfort.

Conclusion

FT-CTC performed after a limited 2-day bowel preparation seems to be a technically feasible, safe and acceptable procedure that allows a complete a colonic study in incomplete CC patients.

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Acknowledgments

The authors thank their colleagues, Zeynep Gamze Kilicoglu and Can Gonen, for their kind assistance in the preparation of the manuscript.

Ethical standard

All procedures performed in this study were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki Declaration and its later amendments or comparable ethical standards. Informed consent was obtained from all individual participants included in the study.

Conflict of interest

The authors declare that they have no conflict of interest.

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Correspondence to Kaan Meric.

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Meric, K., Bakal, N., Aydin, S. et al. Fecal tag CT colonography with a limited 2-day bowel preparation following incomplete colonoscopy. Jpn J Radiol 33, 329–335 (2015). https://doi.org/10.1007/s11604-015-0421-6

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  • DOI: https://doi.org/10.1007/s11604-015-0421-6

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