Evidence map›Paper›PMID 29761147›Full record

ArticleGE Portuguese journal of gastroenterology2018

Efficacy of Long-Term Oral Vitamin B12 Supplementation after Total Gastrectomy: Results from a Prospective Study.

Joana Moleiro, Susana Mão de Ferro, Sara Ferreira, Miguel Serrano, Margarida Silveira, António Dias Pereira

Abstract read
In one paragraph

Article in GE Portuguese journal of gastroenterology, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.

0numbers the graph read from it
0cells of the map it votes in
9citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

9 citing papers in PubMed.

  1. Trial
  2. Oral vitamin B₁₂ after total gastrectomy for gastric cancer: mapping the evidence.Gastric cancer : official journal of the International Gastric Cancer Association and the Japanese Gastric Cancer Association · 2026
    Review
  3. Micronutrient deficiencies and anemia in the follow-up after gastroesophageal cancer surgery.Diseases of the esophagus : official journal of the International Society for Diseases of the Esophagus · 2024
    Article
  4. Article
  5. International Delphi consensus guidelines for follow-up after prophylactic total gastrectomy: the Life after Prophylactic Total Gastrectomy (LAP-TG) study.Gastric cancer : official journal of the International Gastric Cancer Association and the Japanese Gastric Cancer Association · 2022
    Article
  6. Article
  7. Comment on "Efficacy of Long-Term Oral Vitamin BGE Portuguese journal of gastroenterology · 2019
    Article
  8. Article
  9. Article
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

6 authors.

Joana MoleiroDepartment of Gastroenterology, Instituto Portugu's do Oncologia de Lisboa Francisco Gentil E.P.E., Lisbon, Portugal.
Susana Mão de FerroDepartment of Gastroenterology, Instituto Portugu's do Oncologia de Lisboa Francisco Gentil E.P.E., Lisbon, Portugal.
Sara FerreiraDepartment of Gastroenterology, Instituto Portugu's do Oncologia de Lisboa Francisco Gentil E.P.E., Lisbon, Portugal.
Miguel SerranoDepartment of Gastroenterology, Instituto Portugu's do Oncologia de Lisboa Francisco Gentil E.P.E., Lisbon, Portugal.
Margarida SilveiraDepartment of Gastroenterology, Instituto Portugu's do Oncologia de Lisboa Francisco Gentil E.P.E., Lisbon, Portugal.
António Dias PereiraDepartment of Gastroenterology, Instituto Portugu's do Oncologia de Lisboa Francisco Gentil E.P.E., Lisbon, Portugal.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

BACKGROUND/

objectivesVitamin B PATIENTS/

methodsWe performed a prospective uncontrolled study (ACTRN12614000107628) in order to evaluate the clinical and laboratory efficacy of long-term oral VB12 supplementation in patients submitted to total gastrectomy. All patients received daily oral VB12 (1 mg/day) and were evaluated every 3 months (clinical and laboratory evaluation: hemoglobin, VB12, total iron, ferritin, and folate).

resultsA total of 26 patients were included with a mean age of 64 years (29-79). Patients were included with a mean period of 65 months (3-309) after total gastrectomy. At inclusion time, 17/26 patients were under intramuscular VB12, and 9 had not started supplementation yet. There were normal serum VB12 levels in 25/26 patients (mean VB12 serum levels: 657 pg/mL). The mean follow-up period was 20 (8.5-28) months. During follow-up, all patients had normal VB12 levels and there was no need for intramuscular supplementation. The patient with low VB12 levels had an increase to adequate levels, which remained stable. There were no differences with statistical significance among VB12 levels at 6 (867 pg/mL), 12 (1,008 pg/mL), 18 (1,018 pg/mL), and 24 (1,061 pg/mL) months. Iron and folate supplementation was necessary in 21 and 7 patients, respectively.

conclusionsOral VB12 supplementation is effective and safe in patients who underwent total gastrectomy and should be considered the preferential form of supplementation.

Indexed as

Oral supplementationProspective studyTotal gastrectomyVitamin B12 deficiency

Identifiers

PMID29761147
PMCPMC5939650

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.