Evidence map›Paper›PMID 42778729›Full record

ArticleObesity surgery2026

Splanchnic Vein Thrombosis after Metabolic and Bariatric Surgery: Chilean Position Statement of Hepatology and Bariatric Surgery societies.

Lorena Castro, Luis Antonio Diaz, Ximena Parraga, Virginia Hernández-Gea, Alexandra Ginesta, Javier Perez, Franco Weisser, Gabriel Mezzano, Francisco Barrera, Álvaro Urzúa and 13 more

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Article in Obesity surgery, 2026. 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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0cells of the map it votes in
0citing 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

0 citing papers in PubMed.

No citing paper in PubMed yet.

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

23 authors.

Lorena CastroCentro de Enfermedades Digestivas Clínica Universidad de los Andes, Santiago, Chile. l.castrosolari@gmail.com.ORCID http://orcid.org/0000-0002-6829-6456
Luis Antonio DiazUniversity of California, San Diego, San Diego, United States.ORCID http://orcid.org/0000-0002-8540-4930
Ximena ParragaVirginia Commonwealth University (VCU)/VCU Health, Richmond, United States. XimenaJanet.ParragaNunura@vcuhealth.edu.ORCID http://orcid.org/0009-0000-5780-8156
Virginia Hernández-GeaLiver Unit, Hospital Clínic Barcelona, Barcelona, Spain.ORCID http://orcid.org/0000-0001-7937-984X
Alexandra GinestaDepartamento de Gastroenterologia y Hepatologia, Clinica Alemana de Santiago, Santiago, Chile.ORCID http://orcid.org/0009-0003-9417-190X
Javier PerezDepartamento de Gastroenterología, Escuela de Medicina,Pontificia Universidad Católica de Chile, Santiago, Chile.ORCID http://orcid.org/0009-0002-8313-2182
Franco WeisserDepartamento de Medicina Interna, Universidad de los Andes, Santiago, Chile.ORCID http://orcid.org/0009-0002-6188-1174
Gabriel MezzanoSección de Gastroenterología, Hospital del Salvador, Santiago, Chile.ORCID http://orcid.org/0000-0003-0166-4362
Francisco BarreraDepartamento de Gastroenterología, Escuela de Medicina,Pontificia Universidad Católica de Chile, Santiago, Chile.ORCID http://orcid.org/0000-0001-5334-1528
Álvaro UrzúaSección de Gastroenterología, Servicio de Medicina, Hospital Clínico Universidad de Chile, Santiago, Chile.ORCID http://orcid.org/0000-0002-8059-8844
Daniela GarcíaDepartment of Internal Medicine, University of La Frontera, Temuco, Chile.
Carlos BreskyDepartamento de Ciencias Biomédicas, Universidad Catolica del Norte, Coquimbo, Chile.ORCID http://orcid.org/0000-0003-1899-9732
Pascale SallaberryDepartamento de Cirugía, Facultad de Medicina de Clínica Universidad de los Andes, Santiago, Chile.ORCID http://orcid.org/0009-0005-4676-3761
Rodrigo MuñozDepartamento de Cirugía, Facultad de Medicina de Clínica Universidad de los Andes, Santiago, Chile.
Alex EscalonaDepartamento de Cirugía, Facultad de Medicina de Clínica Universidad de los Andes, Santiago, Chile.ORCID http://orcid.org/0000-0001-5808-3679
Matias SepúlvedaDepartamento de Cirugía, Centro de Nutrición y Bariatría, Clínica Las Condes; Centro médico NOVAMED, Santiago, Chile.ORCID http://orcid.org/0000-0002-9454-7466
Rodrigo VillagránCirugía Bariátrica Metabólica, Clínico Salud, Clínica Portada ACHS Salud y Clínica Red Salud Vitacura, Vitacura, Chile.ORCID http://orcid.org/0009-0001-2764-5437
Martín InzunzaDepartamento de Cirugía Digestiva, Facultad de Medicina, Pontificia Universidad Católica de Chile, Santiago, Chile.ORCID http://orcid.org/0000-0002-6267-1075
Francisco PachecoDepartamento de Cirugía, Facultad de Medicina, Universidad de Concepción, Concepcion, Chile.ORCID http://orcid.org/0000-0002-3963-3740
Luis IbañezDepartamento de Cirugía, Facultad de Medicina, Universidad de Concepción, Concepcion, Chile.ORCID http://orcid.org/0000-0002-3967-8711
Cristobal VarelaDepartamento de Radiología Intervencional, Clínica Universidad de los Andes, Santiago, Chile.ORCID http://orcid.org/0009-0001-5095-6946
Luis MenesesDepartamento de Radiología, Centro de Terapia Endovascular, Pontificia Universidad Católica de Chile, Santiago, Chile.
Mario FavaDepartamento de Radiología Intervencional, Clínica Universidad de los Andes, Santiago, Chile.ORCID http://orcid.org/0009-0001-8224-3510

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

BACKGROUND &

aimsMetabolic and bariatric surgery is one of the most effective interventions for long-term weight loss and metabolic improvement. Splanchnic Vein Thrombosis (SVT) is an uncommon but potentially severe complication with a complex and multidisciplinary management, yet no clinical practice guidelines currently exist in this setting. We aimed to provide practical recommendations to guide healthcare teams in the prevention, diagnosis, and management of SVT after metabolic and bariatric surgery.

methodsA modified Delphi process was conducted in two rounds among 17 experts (seven hepatologists, seven bariatric surgeons, and three interventional radiologists). Statements were generated based on a structured literature review. After the Delphi rounds, statements were refined considering rate and comments. Consensus was predefined as ≥ 80% agreement.

resultsConsensus was reached on seven dimensions of 20 statements (response rate R1 100% and R2 100%): (1) Risk factors related to surgical technique predisposing to SVT; (2) Assessment of candidates for metabolic and bariatric surgery; (3) Diagnosis of SVT; (4) Initial management of acute SVT; (5) Follow-up strategy for patients with SVT; (6) Late complications of SVT; (7) Prophylactic measures to prevent SVT. Recommendations emphasize the need for individualized surgical planning, comprehensive preoperative assessment for thrombotic risk factors, and multidisciplinary management. Additional statements addressed optimal diagnostic imaging, anticoagulation duration, and interventional radiology approaches for refractory or complicated cases.

conclusionsThis consensus provides structured, evidence-informed recommendations for the clinical assessment and management of SVT after metabolic and bariatric surgery. These statements are intended to standardize practice, support multidisciplinary decision-making, and improve patient outcomes in this rare but serious complication.

Indexed as

AnticoagulationCirrhosisInterventional radiologyMetabolic and bariatric surgeryMetabolic dysfunction-associated steatotic liver diseaseObesityPortal hypertensionPortal interventionsPortal vein thrombosisSplanchnic vein thrombosisThrombophilia

Identifiers

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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.