Evaluation of Esophageal Functions by Manometry in Iron Deficiency Anemia Patients

Pinar Kubilay, Beyza Doganay, Mehmet Bektas


Background: The aim of this study was to investigate whether any esophageal motor dysfunction exists in patients with iron deficiency anemia (IDA).

Methods: The study included 39 patients (34 women, mean age: 44.17 14.21 years) who met WHO diagnostic criteria for IDA. An additional 30 functional dyspepsia patients were also included as a control group. Esophageal motility testing was performed; esophagus contraction amplitude, peak velocity, contraction time, lower esophageal sphincter (LES) resting pressure, LES relaxation, and LES relaxation duration were assessed.

Results: A majority (76.4%) of patients had at least one IDA symptom, such as reflux, chest pain, or dysphagia. Manometric findings in IDA patients vs. controls were as follows: mean LES resting pressure (mm Hg): 25.41 11.67 vs. 19.96 6.58 (P = 0.025); mean esophageal contraction amplitude (mm Hg): 61.61 24.21 vs. 63.23 18.86 (P = 0.764); mean LES relaxation duration (s, x SD): 5.33 1.61 vs. 8.75 1.86 (P = 0.000); mean LES relaxation (%): 93.30 9.88 vs. 95.53 5.81 (P = 0.278); mean peak velocity (cm/s): 12.67 37.95 vs. 3.50 1.63 (P = 0.191). Esophageal dysmotility was found in 11 (28.2%) IDA patients. Non-specific esophageal motor disorder was found in three patients, hypomotility of the esophagus was found in three patients, achalasia was found in two patients, hypertensive LES was found in two patients, and hypotensive LES was found in one patient.

Conclusion: LES resting pressure was higher and LES relaxation duration was shorter in patients with IDA. Esophageal dysmotility was present in 28.2% of the patients with IDA A little more than half of patients had dysphagia symptoms. IDA may contribute to esophageal motility dysfunction and esophageal symptoms.

Gastroenterol Res. 2017;10(3):166-171
doi: https://doi.org/10.14740/gr850w


Iron deficiency anemia; Esophageal function

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