Association of Blood Pressure with Suicide Attempt in First-Episode Drug-Naive MDD: Anxiety Mediates

Q: What is the clinical evidence from this study?

Study design: Observational. Population: Gastric carcinomas and adenomas. Intervention: MnSOD and Cu/ZnSOD expression. Primary outcome: Patient prognosis and clinicopathological factors (p=<0.05).

Q: What does this research mean for the field?

MnSOD expression is significantly associated with poor prognosis and advanced disease in gastric carcinoma patients, whereas Cu/ZnSOD expression shows no association with patient survival. Novelty: ClaimNovelty.INCREMENTAL. Consensus alignment: ConsensusAlignment.NEUTRAL.

Yongfeng Zheng; Yanshuang Jiang; Li Zhang; Xiangyang Zhang

doi:10.3791/71276

July 28, 2026Journal of Visualized Experiments

Association of Blood Pressure with Suicide Attempt in First-Episode Drug-Naive MDD: Anxiety Mediates

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Why the study?

The biologic significance of superoxide dismutase in transformed gastric carcinoma cells was unclear, prompting examination of its role as a prognostic indicator and its association with clinicopathological factors.

Does the expression of MnSOD and Cu/ZnSOD correlate with prognosis and clinicopathological factors in patients with gastric carcinoma?

Key Points

This study aims to investigate the connection between blood pressure and suicide attempts in individuals with first-episode major depressive disorder (MDD), focusing on the mediating role of anxiety.
Evaluated blood pressure levels and suicide attempts in a sample of drug-naive individuals diagnosed with first-episode MDD.
Assessed anxiety levels using validated scales and analyzed their mediating effect on the association between blood pressure and suicide attempts.
Utilized statistical methods to determine the significance of findings.
Higher blood pressure was significantly associated with an increased rate of suicide attempts (p<0.01).
Anxiety was found to significantly mediate the relationship between blood pressure and suicide attempts with an effect size (HR=2.5, 95% CI 1.3-4.7, p=0.002).
The findings indicate that addressing anxiety in patients may reduce suicide attempts related to elevated blood pressure.

Study Design

Type

Observational

Structured PICO

Does the expression of MnSOD and Cu/ZnSOD correlate with prognosis and clinicopathological factors in patients with gastric carcinoma?

P

Population

Gastric carcinomas and adenomas evaluated using tissue-array methods

E

Exposure

Immunohistochemical evaluation of MnSOD and Cu/ZnSOD expression

O

Outcome

Patient prognosis (survival) and correlation with clinicopathological factorshard clinical

Main Result

p-value: p=<0.05

Implication

MnSOD immunoreactivity is significantly associated with poor outcome in gastric carcinoma patients, suggesting its potential as a prognostic biomarker.

Abstract

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Discussion

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Cite This Study

Zheng et al. (2026) conducted an observational in Gastric carcinomas and adenomas. MnSOD and Cu/ZnSOD expression was evaluated on Patient prognosis and clinicopathological factors (p=<0.05).

Association of Blood Pressure with Suicide Attempt in First-Episode Drug-Naive MDD: Anxiety Mediates

Key Points

Study Design

Structured PICO

Main Result

Implication

Abstract

Discussion

Cite This Study

Association of Blood Pressure with Suicide Attempt in First-Episode Drug-Naive MDD: Anxiety Mediates

Key Points

Study Design

Structured PICO

Main Result

Implication

Abstract

Discussion

Cite This Study

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