Evidence map›Paper›PMID 40066947›Full record

SynthesisMicrosurgery2025

Objectifying Clinical Outcomes After Lymphaticovenous Anastomosis and Vascularized Lymph Node Transfer in the Treatment of Extremity Lymphedema: A Systematic Review and Meta-Analysis.

Brett A Hahn, Alieske Kleeven, Milan C Richir, Arjen J Witkamp, Anke M J Kuijpers, Tim de Jong, Shan Qiu, J Henk Coert, David D Krijgh

Abstract readSystematic ReviewMeta-Analysis
In one paragraph

Synthesis in Microsurgery, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers, 2 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
10citing papers in PubMed, 2 pooled it
–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

10 citing papers in PubMed, 2 syntheses or guidelines pooled it.

  1. Pooled it
  2. Pooled it
  3. [Effectiveness of lymphaticovenular anastomosis combined with perioperative targeted drainage in treatment of secondary lower limb lymphedema: a prospective randomized trial].Zhongguo xiu fu chong jian wai ke za zhi = Zhongguo xiufu chongjian waike zazhi = Chinese journal of reparative and reconstructive surgery · 2026
    Trial
  4. Article
  5. Article
  6. Lymphovenous Bypass: Past, Present, and Future.Archives of plastic surgery · 2026
    Article
  7. Article
  8. Article
  9. Article
  10. Review
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

9 authors.

Brett A HahnDepartment of Plastic and Reconstructive Surgery, University Medical Center Utrecht, Utrecht, the Netherlands.ORCID https://orcid.org/0000-0003-1675-3608
Alieske KleevenDepartment of Plastic, Reconstructive and Hand Surgery, Maastricht University Medical Center, Maastricht, the Netherlands.
Milan C RichirDepartment of Oncologic Surgery, University Medical Center Utrecht, Utrecht, the Netherlands.
Arjen J WitkampDepartment of Oncologic Surgery, University Medical Center Utrecht, Utrecht, the Netherlands.
Anke M J KuijpersDepartment of Surgical Oncology, The Netherlands Cancer Institute, Antoni van Leeuwenhoek Hospital, Amsterdam, the Netherlands.
Tim de JongDepartment of Plastic and Reconstructive Surgery, Radboud University Medical Center, Nijmegen, the Netherlands.
Shan QiuDepartment of Plastic, Reconstructive and Hand Surgery, Maastricht University Medical Center, Maastricht, the Netherlands.
J Henk CoertDepartment of Plastic and Reconstructive Surgery, University Medical Center Utrecht, Utrecht, the Netherlands.
David D KrijghDepartment of Plastic and Reconstructive Surgery, University Medical Center Utrecht, Utrecht, the Netherlands.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundUpper extremity lymphedema (UEL) and lower extremity lymphedema (LEL) can develop as a result of lymph node dissection in the treatment of various malignancies. While emerging microsurgical interventions using lymphaticovenous anastomosis (LVA) and vascularized lymph node transfer (VLNT) show promising outcomes for patients with lymphedema, the best approach to implementing the two procedures remains to be defined. This systematic review and meta-analysis provide a comprehensive overview of published literature on the clinical improvement of extremity lymphedema in patients who undergo either LVA, VLNT, or a combined microsurgical procedure.

methodsFrom Embase, PubMed, and Web of Science databases, 52 studies were identified that met inclusion criteria. This review was conducted in accordance with the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) guidelines. The risk of bias was assessed using the Risk Of Bias In Nonrandomized Studies-of Interventions (ROBINS-I) tool and the Cochrane tool for randomized trials (RoB 2).

resultsRandom-effects meta-analyses of means estimated a pooled clinical improvement of 36.46% (95% CI: 29.44-43.48) for UEL and 34.16% (95% CI: 23.93-44.40) for LEL. Subgroup analyses revealed differences in clinical improvement according to the microsurgical approach. Clinical improvement of UEL was 29.44% (95% CI: 15.58-43.29) for LVA, 41.66% (95% CI: 34.13-49.20) for VLNT, and 32.80% (95% CI: 21.96-43.64) for combined VLNT + LVA, while the improvement of LEL was 31.87% (95% CI: 18.60-45.14) for LVA and 39.53% (95% CI: 19.37-59.69) for VLNT.

conclusionThe findings from this study elucidate the clinical improvement in extremity lymphedema from various microsurgical approaches. This knowledge could aid physicians in the shared decision-making process with UEL and LEL patients and better facilitate proper patient selection for microsurgical interventions.

Indexed as

Lymphatic VesselsLymphedemaLymph NodesMicrosurgeryAnastomosis, SurgicalHumansLower ExtremityLymph Node ExcisionTreatment OutcomeUpper ExtremityVeins

Identifiers

PMID40066947
PMCPMC11895410

What OpenQuestion holds

Textmetadata
LicenceCC BY
Read underepoch 390

Registered trials

None linked

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.