Survival Rate and Shunt Infection Incidence Following Gastrostomy in Adult Patients with an Existing Ventriculoperitoneal Shunt

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<p>Ventriculoperitoneal shunts (VPS) and gastrostomies are frequently provided in daily practice. This study investigated the incidence of VPS infection and the survival rate among adult patients who underwent gastrostomy at least 1 month after VPS placement. This single-center retrospective cohort study was conducted among patients with a VPS, who underwent a gastrostomy. This procedure was performed on a standby basis after a period of at least 1 month had elapsed since VPS placement. Subsequent VPS infection and survival rates were assessed over a period of at least 6 months. We reviewed 31 patients who had a VPS at the time of gastrostomy. Gastrostomy was performed endoscopically in 29 cases and via open surgery in 2 cases. The average interval between VPS insertion and gastrostomy was 1135.5 ± 1717.1 days. A single case of VPS infection (3.2%) was diagnosed during the study. This infection rate was not significantly different than that among 230 patients who underwent their first VPS placement (without gastrostomy) at our institution during the same time period (P = .57); there was also no significant difference in the survival rate, compared to 38 age-matched patients (with cerebrovascular disease, but without a VPS) who underwent gastrostomy (P = .73). Gastrostomy performed after an interval of at least 1 month after VPS placement was extremely safe in adult patients, and their prognosis was excellent. Additional studies are required to develop appropriate nutritional interventions for patients with a VPS.</p>

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