Evidence map›Paper›PMID 42359471›Full record

ReviewGlobal spine journal2026

How Common is Dysphagia After Anterior Cervical Spine Surgery, What Drives it, and Can it be Prevented? An Umbrella Review of Systematic Evidence.

Sathish Muthu, Vibhu Krishnan Viswanathan, Venkatesh Subramanian, Dhibin Vikash Kolarpatti Ponnusamy, Satish Kumar Rajappan Chandra, Khan Sharun, Sakthivel Rajan Rajaram Manoharan, Steven Theiss

Abstract readReview
In one paragraph

Review in Global spine journal, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

0numbers the graph read from it
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

8 authors.

Sathish MuthuDepartment of Spine Surgery, Orthopaedic Research Group, Coimbatore, Tamil Nadu, India.ORCID 0000-0002-7143-4354
Vibhu Krishnan ViswanathanDepartment of Spine Surgery, Orthopaedic Research Group, Coimbatore, Tamil Nadu, India.ORCID 0000-0002-3804-1698
Venkatesh SubramanianDepartment of Orthopaedics, Government Medical College, Kallakurichi, Tamil Nadu, India.
Dhibin Vikash Kolarpatti PonnusamyDepartment of Orthopaedics, Government Medical College, Karur, Tamil Nadu, India.ORCID 0000-0003-1071-0084
Satish Kumar Rajappan ChandraClinical Trial & Research Unit, Interdisciplinary Institute of Indian System of Medicine (IIISM), SRM Institute of Science and Technology, Kattankulathur, India.
Khan SharunGraduate Institute of Medicine, Yuan Ze University, Taoyuan, Taiwan.ORCID 0000-0003-1040-3746
Sakthivel Rajan Rajaram ManoharanDepartment of Orthopaedic Surgery, University of Alabama, Birmingham, AL, USA.
Steven TheissDepartment of Orthopaedic Surgery, University of Alabama, Birmingham, AL, USA.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Study DesignUmbrella systematic review.ObjectiveTo critically appraise and synthesise the existing systematic review evidence regarding incidence, risk factors, management strategies, and prognostic impact of dysphagia in patients undergoing anterior cervical spine surgery(ACSS), with interpretation explicitly weighted by methodological confidence.MethodsA systematic search (inception-November 2025) of PubMed, Embase, Scopus, Web of Science, and the Cochrane Database identified systematic reviews and meta-analyses evaluating dysphagia after ACDF, ACCF, CDA, or multilevel ACSS. Two reviewers independently screened and extracted data. Methodological quality was appraised using AMSTAR-2. Findings were synthesised narratively at the umbrella level and interpreted proportionate to the confidence of evidence.ResultsThirty-two systematic reviews (>3.6 million patients) were included. Dysphagia incidence ranged from 1%-79% (variations largely driven by heterogeneous definitions and timepoints). Early postoperative (≤2 weeks) dysphagia was common (up to 71%); whereas persistent dysphagia (≥12 months) was reported in 12-14% in selected analyses. Female sex, multilevel procedures, C3-C4 involvement, anterior plating, and rhBMP-2 exposure were recurrently associated with increased risk. In contrast, zero-profile implants, cuff-pressure control, and perioperative steroids were associated with reduced early dysphagia in low-confidence reviews. However, 31/32 reviews were rated critically low confidence by AMSTAR-2 grading, limiting certainty. Only one RCT-based steroid meta-analysis achieved low confidence.ConclusionDysphagia is frequently reported following ACSS, particularly in the early postoperative period. No preventive or therapeutic strategy can currently be recommended as standard of care based on high-certainty evidence. Most findings remain hypothesis-generating and require validation in high-quality prospective studies.

Indexed as

ACDFanterior cervical spine surgerycomplicationdysphagiaspine surgerysystematic review

Identifiers

PMID42359471
PMCPMC13309355

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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.