ArticleWorld journal of surgery2017
A Different Kind of Craving: Incidence and Treatment of Pica After Laparoscopic Roux-en-Y Gastric Bypass.
Article in World journal of surgery, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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4 authors at 1 institution in 1 country.
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Abstract
backgroundIron deficiency can occur in patients after Roux-en-y gastric bypass due to altered absorption. Pica, the compulsive craving and intake of non-nutritive substances, is a rare and poorly understood presentation of iron deficiency. To our knowledge, the rate of pica after RYGB has never been reported.
methodsThe medical records of patients who underwent laparoscopic RYGB from 2001 to 2011 were reviewed. Patients with pica or other abnormal cravings were identified.
resultsPica was identified in 16/959 (1.7%) patients who underwent RYGB during the study period. The most common presenting sign was pagophagia. All patients with pica were female and had multiple risk factors for iron deficiency with 13/16 being premenopausal and 7/16 non-compliant with oral iron supplementation. Pica symptoms presented at a mean of 3.9 ± 1.9 years after RYGB. Iron deficiency was identified in all 16 patients, with a median ferritin level of 5.0 ng/mL (range 2-27). All 16 patients received intravenous iron and pica symptoms resolved.
conclusionsPica is a rare phenomenon associated with iron deficiency and can occur despite oral iron supplementation. In our experience, intravenous iron can relieve symptoms. Patients considering bariatric surgery should be counseled on pica. Patients with unusual cravings should be evaluated for iron deficiency.
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