Evidence map›Paper›PMID 40156492›Full record

ArticlePain practice : the official journal of World Institute of Pain2025

Chronic Coccygodynia and ganglion impar block: How does contrast material distribution affect treatment outcomes?

Yucel Olgun, Savas Sencan, Sena Unver, Nuride Osmanli, Serdar Kokar, Osman Hakan Gunduz

Abstract read
In one paragraph

Article in Pain practice : the official journal of World Institute of Pain, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.

0numbers the graph read from it
0cells of the map it votes in
3citing 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

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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

3 citing papers in PubMed.

  1. Review
  2. Observational
  3. 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

6 authors.

Yucel OlgunDivision of Pain Medicine, Department of Physical Medicine and Rehabilitation, Agri Training and Research Hospital, Agri, Turkey.ORCID https://orcid.org/0000-0003-4940-2740
Savas SencanDivision of Pain Medicine, Department of Physical Medicine and Rehabilitation, Faculty of Medicine, Marmara University, Istanbul, Turkey.ORCID https://orcid.org/0000-0001-8150-0581
Sena UnverDivision of Pain Medicine, Physical Medicine and Rehabilitation Department, Faculty of Medicine, Sakarya University, Sakarya, Turkey.
Nuride OsmanliDepartment of Physical Medicine and Rehabilitation, Faculty of Medicine, Marmara University, Istanbul, Turkey.
Serdar KokarDivision of Pain Medicine, Department of Physical Medicine and Rehabilitation, Faculty of Medicine, Marmara University, Istanbul, Turkey.ORCID https://orcid.org/0000-0003-0027-5082
Osman Hakan GunduzDivision of Pain Medicine, Department of Physical Medicine and Rehabilitation, Faculty of Medicine, Marmara University, Istanbul, Turkey.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

aimTo assess the influence of contrast material distribution patterns on treatment success in patients with chronic coccygodynia undergoing ganglion impar block (GIB).

methodsAn evaluation was conducted on 58 patients who underwent GIB from August 2021 to August 2023 at a university hospital's interventional pain management center. Numeric rating scale (NRS) scores were recorded before the procedure and at 1-month post-procedure. The patients were categorized into two groups based on treatment success, defined as at least a 50% reduction in the NRS score at 1 month.

resultsThere were no significant differences between the two groups regarding age, gender, BMI, symptom duration, comorbidities, coccyx curvature type, presence of anterior/posterior subluxation, presence of posterior spicule, type of approach, contrast distribution direction, and contrast dye level. Patients with coccygodynia experienced statistically significant benefits from GIB treatment at the 1-month follow-up (p < 0.001).

conclusionAlthough the use of contrast material in fluoroscopic procedures is the gold standard to prevent possible complications, the distribution pattern of contrast does not significantly affect the success of GIB treatment in patients with coccygodynia. Further prospective and long-term follow-up studies are required to validate these findings.

Indexed as

Autonomic Nerve BlockChronic PainCoccyxContrast MediaLow Back PainAdultAgedFemaleHumansMaleMiddle AgedTreatment OutcomeContrast Mediacoccygodyniacontrast material distribution patternganglion imparganglion impar blocktreatment success

Identifiers

PMID40156492
PMCPMC11954157

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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.