Evidence map›Paper›PMID 36602723›Full record

ArticleObesity surgery2023

Women with Anemia Refractory to Oral Iron Treatment Following Bariatric Surgery: a Short-Term Analysis.

César M Vargas, Dalio Gómez, Violeta Madrigal, Lizbeth Guilbert, Elisa M Sepúlveda, Fátima M Rodríguez, Carlos Zerrweck

Abstract read
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In one paragraph

Article in Obesity surgery, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.

0numbers the graph read from it
0cells of the map it votes in
1citing papers in PubMed
1.0field-weighted citation impact, top 27% of its field
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

1 citing paper in PubMed, 3 citations in OpenAlex.

  1. 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

7 authors at 1 institution in 2 countries.

César M Vargas *The Obesity Clinic, Hospital General Tláhuac, Avenida La Turba #655, Col. Villa Centroamericana Y del Caribe, Del. Tláhuac, 13250, Mexico City, Mexico.
Dalio Gómez *The Obesity Clinic, Hospital General Tláhuac, Avenida La Turba #655, Col. Villa Centroamericana Y del Caribe, Del. Tláhuac, 13250, Mexico City, Mexico.
Violeta Madrigal *The Obesity Clinic, Hospital General Tláhuac, Avenida La Turba #655, Col. Villa Centroamericana Y del Caribe, Del. Tláhuac, 13250, Mexico City, Mexico.
Lizbeth Guilbert *The Obesity Clinic, Hospital General Tláhuac, Avenida La Turba #655, Col. Villa Centroamericana Y del Caribe, Del. Tláhuac, 13250, Mexico City, Mexico.
Elisa M Sepúlveda *The Obesity Clinic, Hospital General Tláhuac, Avenida La Turba #655, Col. Villa Centroamericana Y del Caribe, Del. Tláhuac, 13250, Mexico City, Mexico.
Fátima M Rodríguez *The Obesity Clinic, Hospital General Tláhuac, Avenida La Turba #655, Col. Villa Centroamericana Y del Caribe, Del. Tláhuac, 13250, Mexico City, Mexico.
Carlos Zerrweck *The Obesity Clinic, Hospital General Tláhuac, Avenida La Turba #655, Col. Villa Centroamericana Y del Caribe, Del. Tláhuac, 13250, Mexico City, Mexico. zerrweck@yahoo.com.ORCID 0000-0001-7358-2652
Hospital General de México · MX

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

introductionIron deficiency and anemia are common after bariatric surgery. Women have a higher risk of developing such long-term complications. Though oral supplementation is indicated, intravenous iron therapy is required in some cases.

methodsThis retrospective study included patients who underwent bariatric surgery between 2012 and 2018. Postoperative anemia patients receiving parental iron therapy were assessed during the first 24 months. Their baseline characteristics, surgery type, and laboratory test results were analyzed. A follow-up analysis included a subgroup of women with and without gynecological disorders. Patients with vitamin B12 or folic acid deficiencies were excluded.

resultsSix hundred eleven (63.3%) met the inclusion criteria: 525 underwent gastric bypass, of which 79.6% were women. Overall, postoperative anemia was 28.9% (24.5% related to gastric bypass), especially among women (84%). Anemia refractory to oral iron therapy was observed in 12.9% of patients. All the patients requiring iron infusions (n = 54) were women, and half of them (51.8%) reported abnormal uterine bleeding. Postsurgical hemogram values were significantly lower in patients with abnormal uterine bleeding (despite the same number of infusions) than in those without gynecological disorders; 89.2% of these women had preoperative anemia.

conclusionAnemia is frequent in bariatric surgery patients despite supplementation. Women undergoing gastric bypass with a history of gynecological disorders are prone to require more iron infusions. Consulting with the patient about a higher risk is important, and probably knowing the plan or including the opinion of an OBGYN to determine as a team the assessment, treatment, and prognosis.

Indexed as

AnemiaAnemia, Iron-DeficiencyBariatric SurgeryGastric BypassObesity, MorbidFemaleHumansIronRetrospective StudiesUterine HemorrhageIronAbnormal uterine bleedingAnemiaBariatric surgeryGastric bypassIron deficiencyRefractory anemiaSleeve gastrectomy

Identifiers

PMID36602723
OpenAlexW4313545472

What OpenQuestion holds

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Registered trials

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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.