{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,3,20]],"date-time":"2026-03-20T03:02:20Z","timestamp":1773975740209,"version":"3.50.1"},"reference-count":19,"publisher":"Springer Science and Business Media LLC","issue":"1","license":[{"start":{"date-parts":[[2019,10,28]],"date-time":"2019-10-28T00:00:00Z","timestamp":1572220800000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"},{"start":{"date-parts":[[2019,10,28]],"date-time":"2019-10-28T00:00:00Z","timestamp":1572220800000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":["link.springer.com"],"crossmark-restriction":false},"short-container-title":["BMC Anesthesiol"],"published-print":{"date-parts":[[2019,12]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:sec>\n                    <jats:title>Background<\/jats:title>\n                    <jats:p>Continuous interscalene block is widely used for pain management in shoulder surgery. However, continuous interscalene block performed using the catheter-through-needle method is reportedly associated with adverse events such as pericatheter leakage of the local anesthetic, phrenic nerve paralysis, and hoarseness. Because we expected that the catheter-over-needle method would reduce these adverse events, we examined cases in which continuous interscalene block was performed using the catheter-over-needle method to determine what adverse events occurred and when.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>We retrospectively reviewed the anesthesia and medical records of adult patients who underwent catheter insertion to receive a continuous interscalene block performed using the catheter-over-needle method at our hospital from July 2015 to July 2017.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>During the surveillance period, 122 adult patients underwent catheter insertion to receive a continuous interscalene block administered using the catheter-over-needle method. No case of pericatheter local anesthetic leakage was observed. Adverse events, such as dyspnea, hoarseness, insufficient anesthetic effect, dizziness, cough reflex during drinking, or ptosis, were observed in 42 patients (34.4%; 95% confidence interval 26\u201342.7). Most of the adverse events occurred on postoperative day 2. The median time between surgery and the onset of adverse events was 28.5\u2009h.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusions<\/jats:title>\n                    <jats:p>The catheter-over-needle method may prevent the pericatheter leakage of the local anesthetic. However, adverse events occurred in more than one-third of the patients. During continuous interscalene block, patients must be carefully observed for adverse events, especially on postoperative day 2.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Trial registration<\/jats:title>\n                    <jats:p>\n                      This study was registered at the UMIN Clinical Trials Registry on August 13th, 2019 (\n                      <jats:ext-link xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" ext-link-type=\"uri\" xlink:href=\"https:\/\/upload.umin.ac.jp\/cgi-open-bin\/ctr_e\/ctr_view.cgi?recptno=R000042964\">UMIN000037673<\/jats:ext-link>\n                      ).\n                    <\/jats:p>\n                  <\/jats:sec>","DOI":"10.1186\/s12871-019-0873-9","type":"journal-article","created":{"date-parts":[[2019,10,28]],"date-time":"2019-10-28T07:09:06Z","timestamp":1572246546000},"update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":8,"title":["Adverse events associated with continuous interscalene block administered using the catheter-over-needle method: a retrospective analysis"],"prefix":"10.1186","volume":"19","author":[{"given":"Meishu","family":"Tanijima","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-2862-3635","authenticated-orcid":false,"given":"Kenichi","family":"Takechi","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Kazuo","family":"Nakanishi","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Toshihiro","family":"Yorozuya","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"297","published-online":{"date-parts":[[2019,10,28]]},"reference":[{"key":"873_CR1","doi-asserted-by":"publisher","first-page":"76","DOI":"10.1053\/jars.2002.25976","volume":"18","author":"FA Barber","year":"2002","unstructured":"Barber FA, Herbert MA. The effectiveness of an anesthetic continuous-infusion device on postoperative pain control. Arthroscopy. 2002;18:76\u201381.","journal-title":"Arthroscopy."},{"key":"873_CR2","doi-asserted-by":"publisher","first-page":"1343","DOI":"10.1097\/00000542-199712000-00013","volume":"87","author":"A Borgeat","year":"1997","unstructured":"Borgeat A, Sch\u00e4ppi B, Biasca N, Gerber C. Patient-controlled analgesia after major shoulder surgery: patient-controlled interscalene analgesia versus patient-controlled analgesia. Anesthesiology. 1997;87:1343\u20137.","journal-title":"Anesthesiology."},{"key":"873_CR3","doi-asserted-by":"publisher","first-page":"679","DOI":"10.1016\/j.bja.2017.11.104","volume":"120","author":"L Vorobeichik","year":"2018","unstructured":"Vorobeichik L, Brull R, Bowry R, Laffey JG, Abdallah FW. Should continuous rather than single-injection interscalene block be routinely offered for major shoulder surgery? A meta-analysis of the analgesic and side-effects profiles. Br J Anaesth. 2018;120:679\u201392.","journal-title":"Br J Anaesth"},{"key":"873_CR4","doi-asserted-by":"publisher","first-page":"608","DOI":"10.1111\/j.1365-2044.2009.06231.x","volume":"65","author":"MJ Fredrickson","year":"2010","unstructured":"Fredrickson MJ, Krishnan S, Chen CY. Postoperative analgesia for shoulder surgery: a critical appraisal and review of current techniques. Anaesthesia. 2010;65:608\u201324.","journal-title":"Anaesthesia."},{"key":"873_CR5","doi-asserted-by":"publisher","first-page":"648","DOI":"10.1097\/ACO.0000000000000254","volume":"28","author":"AT Machi","year":"2015","unstructured":"Machi AT, Ilfeld BM. Continuous peripheral nerve blocks in the ambulatory setting: an update of the published evidence. Curr Opin Anaesthesiol. 2015;28:648\u201355.","journal-title":"Curr Opin Anaesthesiol"},{"key":"873_CR6","doi-asserted-by":"publisher","first-page":"1436","DOI":"10.1213\/01.ane.0000243393.87912.9c","volume":"103","author":"JD Swenson","year":"2006","unstructured":"Swenson JD, Bay N, Loose E, Bankhead B, Davis J, Beals TC, et al. Outpatient management of continuous peripheral nerve catheters placed using ultrasound guidance: an experience in 620 patients. Anesth Analg. 2006;103:1436\u201343.","journal-title":"Anesth Analg"},{"key":"873_CR7","doi-asserted-by":"publisher","first-page":"388","DOI":"10.1016\/j.jse.2006.10.012","volume":"16","author":"NA Bryan","year":"2007","unstructured":"Bryan NA, Swenson JD, Greis PE, Burks RT. Indwelling interscalene catheter use in an outpatient setting for shoulder surgery: technique, efficacy, and complications. 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Upper extremity regional anesthesia: essentials of our current understanding, 2008. Reg Anesth Pain Med. 2009;34:134\u201370.","journal-title":"Reg Anesth Pain Med"},{"issue":"15","key":"873_CR17","doi-asserted-by":"publisher","first-page":"e6598","DOI":"10.1097\/MD.0000000000006598","volume":"96","author":"Hee-Sun Park","year":"2017","unstructured":"Park HS, Kim HJ, Ro YJ, Yang HS, Koh WU. Delayed bilateral vocal cord paresis after a continuous interscalene brachial plexus block and endotracheal intubation: A lesson why we should use low concentrated local anesthetics for continuous blocks. Medicine (Baltimore). 2017;96:e6598.","journal-title":"Medicine"},{"key":"873_CR18","doi-asserted-by":"publisher","first-page":"215","DOI":"10.5603\/AIT.a2018.0013","volume":"50","author":"MJ Stasiowski","year":"2018","unstructured":"Stasiowski MJ, Zuber M, Marciniak R, Kolny M, Chabierska E, Ja\u0142owiecki P, et al. 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After a detailed explanation, written informed consent for continuous interscalene block was obtained from all patients. We obtained administrative permissions to access and use the data from the medical records described in the study.","order":1,"name":"Ethics","group":{"name":"EthicsHeading","label":"Ethics approval and consent to participate"}},{"value":"Not applicable.","order":2,"name":"Ethics","group":{"name":"EthicsHeading","label":"Consent for publication"}},{"value":"The authors declare that they have no competing interests.","order":3,"name":"Ethics","group":{"name":"EthicsHeading","label":"Competing interests"}}],"article-number":"195"}}