ArticleAbdominal radiology (New York)2026
CT-guided percutaneous gastrostomy using needle puncture sequential coaxial dilation for high-risk patients with contraindications to conventional approaches.
Article in Abdominal radiology (New York), 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
objectiveEvaluates the safety, efficacy, and nutritional outcomes of needle puncture sequential coaxial dilation technique in high-risk patients requiring long-term enteral nutrition.
methodsThis retrospective single-center study included 127 consecutive patients (mean age 67.4 ± 12.3 years; mean ASA 3.2 ± 0.7) who underwent CT-guided percutaneous gastrostomy using the needle puncture sequential coaxial dilation technique between January 2020 and December 2025. Notably, 89 patients (70.1%) had contraindications to PEG and 103 patients (81.1%) were unsuitable for surgical gastrostomy. Nutritional parameters including serum albumin, prealbumin, and body mass index (BMI) were assessed at baseline, 3 months, and 6 months post-procedure.
resultsTechnical success was achieved in 126 of 127 patients (99.2%). Major complications occurred in 0 patients (0%), and minor complications in 16 patients (12.6%). Nutritional outcomes demonstrated significant improvement: serum albumin increased from 2.8 ± 0.6 g/dL to 3.4 ± 0.5 g/dL at 3 months (p<0.001); prealbumin increased from 14.2 ± 3.8 mg/dL to 22.7 ± 4.2 mg/dL at 3 months (p<0.001); BMI increased from 18.7 ± 3.2 kg/m² to 20.1 ± 3.1 kg/m² at 6 months (p<0.01). Mean duration of enteral nutrition support was 147.3 ± 42.6 days.
conclusionsCT-guided percutaneous gastrostomy using needle puncture sequential coaxial dilation is a safe and effective enteral access technique for high-risk patients with contraindications to conventional PEG/PRG approaches. The technique demonstrates excellent technical success (99.2%), minimal complications (0% major), and significant nutritional improvement, providing a viable nutritional support solution for patients who would otherwise be excluded from enteral feeding access.
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