An 8-year, single-centre experience of primary image-guided insertion of 'button' gastrostomy catheters: Technical and clinical results.

'Button' gastrostomy insertion is traditionally a two-step procedure with an initial longer gastrostomy tube inserted followed by placement of the shorter 'button' gastrostomy in 6 weeks when the track is mature. The aim of this study is to assess whether the placement of a Button gastrostomy de novo is a safe and effective method of radiologically inserted gastrostomy (RIG) insertion. Using our Picture Archive and Communication System (PACS) and electronic patient charts we identified all patients who underwent primary 'button' gastrostomy over an 8-year period with at least a 1-year follow-up period. We evaluated technical success rate, indications for insertion, major and minor complications, 30-day mortality and the number of exchanges performed. Overall, 482 patients underwent a primary button RIG insertion during this period with an overall success rate of 97.1%. Indications for RIG insertion included neurological and neurosurgical disorders 236 (48.9%), head and neck malignancy 182 (37.8%), oesophageal malignancy 27 (5.6%) and other indications in 37 (7.7%). The mean age was 59.55 years (range 18-88 years) with 290 men (60.2%) and 192 women (39.8%). Major complications were recorded in 0.8% and minor complications in 1.7%. A 30-day mortality of 1% was identified (five patients), mortality was directly related to the RIG insertion in one patient (0.2%). A total of 65 exchanges/replacements took place over this period of time, with 33 (50.1%) due to 'inadvertent removal'. Primary button RIG insertion is a procedure that has a high success rate and low morbidity and mortality. We believe it is a safe and effective alternative to deliver enteral nutrition.

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© 2022 The Authors. Journal of Medical Imaging and Radiation Oncology published by John Wiley & Sons Australia, Ltd on behalf of Royal Australian and New Zealand College of Radiologists.