Observational studyBMC oral health2024
Microstomia is associated with functional impairment and is a poor prognostic factor in systemic sclerosis - a single center observational study with survival analysis.
Observational study in BMC oral health, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
What it found
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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.
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.
Who cites it
2 citing papers in PubMed.
- Adaptation and validation of the scleroderma skin patient-reported outcome questionnaire into Hungarian.Journal of patient-reported outcomes · 2026Article
- Lips in health and in systemic sclerosis: relevant physiology, pathogenesis, existing therapeutic approaches and unmet needs.Journal of scleroderma and related disorders · 2026Article
Corrections and comments
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Authors and funding
5 authors.
Funding
Abstract
backgroundObjectives were to assess the mouth opening ability (MOA) among patients with systemic sclerosis (SSc) in comparison to a healthy control population. The impact of microstomia (decrease in any of the MOA parameters) on physical performance and long-term survival was also investigated.
methodsInterincisal (ID), interlabial (LD), the intercommissural distances at both opened mouth and closed mouth (OW, CW) and the oral area (OA) and circumference (OC) all were assessed in 131 SSc patients. Microstomia was defined based on the oral aperture values of a healthy control group (n = 63) with similar median age and sex distribution. Tests evaluating functional performance were performed. Survival analysis by univariate and multivariate Cox regression analysis was performed.
resultsMicrostomia was present in 56.5% of the entire SSc cohort. Patients with microstomia had higher number of contractures compared to those with preserved oral aperture parameters (median 10 vs. 7, p < 0.01). LD, OA and OC correlated negatively with the number of joint contractures, both in the entire SSc cohort and separately in the diffuse (dcSSc) and limited cutaneous subsets (lcSSc), (rho: between - 0.267 and - 0.516, p < 0.05). Reduced ID was associated with worse Health Assessment Questionnaire Disability Index (HAQ-DI) only in dcSSc while reduced LD was linked to increased HAQ-DI scores in both SSc subsets. Decreased OA upon enrollment was associated with an increased risk in mortality by multivariate Cox regression analysis (HR: 2.74; 95% CI, 1.15-6.53).
conclusionsMicrostomia was associated with joint damage, and higher overall disability based on HAQ-DI. Interlabial distance was a beneficial, convenient measurable parameter to characterize oral aperture. Oral area was an independent poor prognostic factor regarding long-term survival.
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