Fine needle assisted puncture positioning technique for CT-guided percutaneous interventions
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By
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Qingqing Wang
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Huanjing Wang
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Jian Zhang
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Zhongbao Tan
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June 12, 2026
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Clinical Scorecard: Technique for Fine Needle-Assisted Puncture Positioning in CT-Guided Percutaneous Procedures
At a Glance
| Category | Detail |
|---|
| Condition | CT-guided percutaneous interventions |
| Key Mechanisms | Fine-needle-assisted, two-step puncture technique |
| Target Population | Patients with challenging target locations (e.g., small pulmonary or hepatic nodules) |
| Care Setting | Retrospective study in a clinical setting |
Key Highlights
- Fine-needle-assisted technique showed a 100% initial placement success rate.
- Fewer repositioning attempts (0.9 vs. 2.2) in the fine-needle-assisted group.
- Shorter puncture times (12.05 vs. 14.95 minutes) in the fine-needle-assisted group.
- No major complications reported in either group.
- Study included 40 patients with challenging target locations.
Guideline-Based Recommendations
Diagnosis
- Use CT guidance for accurate needle placement in challenging target locations.
Management
- Consider fine-needle-assisted technique for improved accuracy in percutaneous procedures.
Monitoring & Follow-up
- Monitor for complications such as pneumothorax and bleeding during and after procedures.
Risks
- Risk of procedure-related complications remains, including pneumothorax and bleeding.
Patient & Prescribing Data
Patients with challenging target locations for percutaneous interventions.
Fine-needle-assisted technique enhances precision and reduces procedure time.
Clinical Best Practices
- Employ a two-step puncture technique for challenging target sites.
- Utilize CT guidance to plan needle insertion paths accurately.
- Ensure proper patient positioning based on preoperative findings.
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