Is guidewire exchange a better approach for subclavian vein re-catheterization for chronic hemodialysis patients?
GROUND: The objectives of this study were to compare outcomes and survival rates of subclavian vein re-catheterization through guide wire exchange (GWE) or de novo insertion (DN). MATERIALS AND METHODS: The study was conducted in a retrospective manner. Medical records of 36 patients who received percutaneous subclavian vein re-catheterization for hemodialysis in our institution during the period from April 1, 2001 to September 30, 2004 were reviewed. All patients had at least 2 catheter insertions records in our institute. Incidences of adverse events (infection, thrombosis) were compared between GWE and DN groups using x2 test. Predictors for adverse event occurrences were analyzed using logistic regression models. Cox proportional hazard model was used to investigate the predictors for adverse event-free catheter days. Kaplan-Meire survival curves were computed and compared using log rank test. RESULTS: Information were generated from 98 catheters (41 from DN, 57 from GWE groups). T
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