Evidence map›Paper›PMID 40670881›Full record

ArticleJournal of robotic surgery2025

Mid-term outcomes of robotic assisted versus conventional sternotomy for mitral valve replacement: a nationwide propensity-weighted analysis using Taiwan's National Health Insurance Research Database.

Yu-San Chien, Ching-Hu Chung, Jiun-Yi Li

Abstract readComparative Study
In one paragraph

Article in Journal of robotic surgery, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.

0numbers the graph read from it
0cells of the map it votes in
2citing 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

2 citing papers in PubMed.

  1. Article
  2. 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

3 authors.

Yu-San ChienDepartment of Critical Care, Mackay Memorial Hospital, CVICU-B, 7F, No. 92, Sec. 2, Zhongshan N. Rd, Taipei City, 104, Taiwan.
Ching-Hu ChungDepartment of Medicine, Mackay Medical College, No.46, Sec. 3, Zhongzheng Rd., Sanzhi Dist., New Taipei City, 252, Taiwan.
Jiun-Yi LiDepartment of Medicine, Mackay Medical College, No.46, Sec. 3, Zhongzheng Rd., Sanzhi Dist., New Taipei City, 252, Taiwan. jyl5891@gmail.com.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundThis study aimed to compare survival, complications, and healthcare costs between robotic-assisted and conventional sternotomy mitral valve replacement, using a nationwide population-based dataset from Taiwan.

methodsPatients who underwent isolated surgical MVR between 2016 and 2021 were identified from Taiwan's National Health Insurance Research Database. A total of 5,736 patients met inclusion criteria: 5,547 underwent conventional sternotomy MVR (CSMVR), and 113 received robot-assisted MVR (RAMVR). To reduce confounding, inverse probability of treatment weighting (IPTW) was applied using age, sex, and Charlson Comorbidity Index as covariates, yielding a weighted cohort of 5,660 CSMVR and 5,640 RAMVR cases for outcome analysis.

resultsAfter IPTW adjustment, RAMVR was associated with significantly better survival (hazard ratio: 0.37; 95% confidence interval: 0.33-0.41; p < 0.01), shorter hospital stay (16.5 vs. 22.7 days, p < 0.01), and shorter intensive care unit stay (4.4 vs. 9.1 days, p < 0.01). RAMVR patients also had lower rates of dialysis and stroke. One-year post-discharge medical costs were significantly lower in the RAMVR group (USD 1,640 vs. 4,003, p < 0.01). Although inpatient costs appeared lower for RAMVR, this reflects the exclusion of patient-borne expenses for robotic equipment not reimbursed by insurance.

conclusionIn this national population-based analysis, RAMVR was associated with better mid-term survival, shorter hospital stays, and reduced medical costs compared with conventional sternotomy. These findings support the use of robotic-assisted surgery as a safe and effective alternative in selected patients undergoing mitral valve replacement.

Indexed as

Heart Valve Prosthesis ImplantationMitral ValveRobotic Surgical ProceduresSternotomyAdultAgedDatabases, FactualFemaleHealth Care CostsHumansLength of StayMaleMiddle AgedNational Health ProgramsPostoperative ComplicationsPropensity ScoreCostMitral valve replacementRobotSternotomy

Identifiers

PMID40670881
PMCPMC12267384

What OpenQuestion holds

Textmetadata
LicenceCC BY-NC-ND
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.