ABSTRACT
Gastrostomy allows enteral nutrition to continue in patients who are unable to meet
their caloric requirements orally. Though the indications for gastrostomy placement
are varied, dysphagia secondary to a neurological condition is the most common. These
catheters were initially placed surgically, but percutaneous endoscopic placement
is now the routine in most centers. Interventional radiologists have been performing
this procedure under fluoroscopic guidance for several years with encouraging results.
Percutaneous radiological gastrostomy is reported to have a success rate comparable
to that of the endoscopic method, with lower morbidity and mortality rates. A further
benefit is that it may be performed in patients for whom the endoscopic method would
be difficult or dangerous, such as those with head and neck malignancies. One of the
main factors currently limiting the use of this procedure is the shortage of interventional
radiology facilities and specialists.
This article describes a technique for routine percutaneous radiological gastrostomy
catheter placement and procedural variations for difficult cases. Indications and
contraindications will be discussed, as will complication rates and how these compare
with the traditional methods of gastrostomy tube placement.
KEYWORDS
Gastrostomy - gastrojejunostomy - interventional radiology
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S. M Lyon
Department of Radiology
Alfred Hospital, Commercial Rd, Prahran
VIC, 3004, Australia
eMail: s.lyon@alfred.org.au