| An examination of safety on laparoscopic surgery in patients with ventriculoperitoneal shunt by a CO2 reflux experiment. | |
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MedLine Citation:
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PMID: 20374011 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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When a patient with a ventriculoperitoneal shunt (VPS) undergoes laparoscopic surgery, there is the concern about possible problems with the shunt due to increased intra-abdominal pressure. We conducted a simplified reflux experiment on VPS valves to demonstrate safety. Each of five different VPS valves was connected via tubes to a glass vessel of our own making. Carbon-dioxide gas was consecutively insufflated into the vessel at 3-25 mm Hg pressure to determine whether reflux occurred when the valves and tubes were empty (opened test) and when filled with physiologic saline (closed test). Reflux occurred for two of five valves at an insufflation pressure of 5 mm Hg or more in the opened test, while not for any valves until 25 mm Hg in the closed test. In clinical settings, there would be no possibility of reflux under the pneumoperitoneum in VPS systems draining cerebrospinal fluid. Laparoscopic surgery in patients with VPS would be performed safely if characteristics of VPS valves are taken advantage of. |
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Authors:
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Toshifumi Matsumoto; Yuichi Endo; Hiroki Uchida; Tetsuya Kusumoto; Yoichi Muto; Seigo Kitano |
Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: Journal of laparoendoscopic & advanced surgical techniques. Part A Volume: 20 ISSN: 1557-9034 ISO Abbreviation: J Laparoendosc Adv Surg Tech A Publication Date: 2010 Apr |
Date Detail:
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Created Date: 2010-04-08 Completed Date: 2010-08-02 Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 9706293 Medline TA: J Laparoendosc Adv Surg Tech A Country: United States |
Other Details:
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Languages: eng Pagination: 231-4 Citation Subset: IM |
Affiliation:
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Department of Surgery, National Hospital Organization Beppu Medical Center, Beppu, Japan. tmatsu@med.oita-u.ac.jp |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Carbon Dioxide
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diagnostic use* Humans Laparoscopy* Ventriculoperitoneal Shunt* |
| Chemical | |
Reg. No./Substance:
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124-38-9/Carbon Dioxide |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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