{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,6,4]],"date-time":"2026-06-04T10:09:17Z","timestamp":1780567757512,"version":"3.54.1"},"reference-count":21,"publisher":"Wiley","issue":"2","license":[{"start":{"date-parts":[[2017,12,5]],"date-time":"2017-12-05T00:00:00Z","timestamp":1512432000000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Pediatric Anesthesia"],"published-print":{"date-parts":[[2018,2]]},"abstract":"<jats:title>Summary<\/jats:title><jats:sec><jats:title>Background and Aim<\/jats:title><jats:p>Trigger thumb is a common hand disability in children and is primarily treated with open surgery. A conscious median nerve block can usually meet the requirements for trigger thumb\u2010releasing surgery in adults; however, its effectiveness in children requires further clarification. The present study aims to demonstrate whether ultrasound\u2010guided lower forearm median nerve blockade is a viable option for children undergoing open surgery for trigger thumb.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>A prospective randomized study was designed to compare median nerve blocks guided by ultrasonography with those guided by anatomic landmarks. Following induction of general anesthesia, the children received a median nerve block performed either by ultrasound\u2010guided block of the lower forearm (group U) or landmark\u2010based blocking at the proximal wrist crease level (group T) with a 0.2% ropivacaine injection. The success rates were compared between groups as the primary endpoint; additional sufentanil and propofol administration, anesthesia recovery time, and other secondary endpoints were also compared.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>A total of 100 children (age 1\u20103\u00a0years) with <jats:styled-content style=\"fixed-case\">ASA<\/jats:styled-content> status I who were scheduled for open surgery for trigger thumb were included in this study (n\u00a0=\u00a050 per group). Thirty\u2010seven children in group T and 50 children in group U underwent successful blocks. The rate of unsuccessful blockade was significantly lower in group U than group T (0% and 26%, respectively), and rate of additional sufentanil and propofol administration was also lower in group U than in group T.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p>Ultrasound\u2010guided lower forearm median nerve block can provide more effective analgesia, a higher success rate, and lower general and local anesthetic dosages than the anatomic landmark\u2010based blocking method in children undergoing open surgery for trigger thumb.<\/jats:p><\/jats:sec>","DOI":"10.1111\/pan.13296","type":"journal-article","created":{"date-parts":[[2017,12,5]],"date-time":"2017-12-05T12:16:19Z","timestamp":1512476179000},"page":"134-141","source":"Crossref","is-referenced-by-count":12,"title":["Ultrasound\u2010guided lower forearm median nerve block in open surgery for trigger thumb in 1\u2010 to 3\u2010year\u2010old children: A randomized trial"],"prefix":"10.1111","volume":"28","author":[{"given":"Wei","family":"Liu","sequence":"first","affiliation":[{"name":"Department of Anesthesiology Children's Hospital of Chongqing Medical University Chongqing China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jianxia","family":"Liu","sequence":"additional","affiliation":[{"name":"Department of Anesthesiology Children's Hospital of Chongqing Medical University Chongqing China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Xingqin","family":"Tan","sequence":"additional","affiliation":[{"name":"Ministry of Education Key Laboratory of Child Development and Disorders Chongqing China"},{"name":"China International Science and Technology Cooperation Base of Child Development and Critical Disorders Chongqing China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-9525-6150","authenticated-orcid":false,"given":"Shouyong","family":"Wang","sequence":"additional","affiliation":[{"name":"Department of Anesthesiology Children's Hospital of Chongqing Medical University Chongqing China"},{"name":"Ministry of Education Key Laboratory of Child Development and Disorders Chongqing China"},{"name":"China International Science and Technology Cooperation Base of Child Development and Critical Disorders Chongqing China"},{"name":"Chongqing Key Laboratory of Pediatrics Chongqing China"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2017,12,5]]},"reference":[{"key":"e_1_2_8_2_1","doi-asserted-by":"publisher","DOI":"10.5435\/JAAOS-20-04-206"},{"key":"e_1_2_8_3_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.ocl.2015.06.014"},{"key":"e_1_2_8_4_1","first-page":"33","article-title":"Specific 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anatomical variations of the palmar cutaneous branch of the median nerve in chinese adults","volume":"67","author":"Cheung JW","year":"2004","journal-title":"J Chin Med Assoc"},{"key":"e_1_2_8_19_1","doi-asserted-by":"publisher","DOI":"10.1213\/ANE.0b013e31829481ed"},{"key":"e_1_2_8_20_1","doi-asserted-by":"publisher","DOI":"10.1002\/jor.23092"},{"key":"e_1_2_8_21_1","doi-asserted-by":"publisher","DOI":"10.1097\/EJA.0000000000000121"},{"key":"e_1_2_8_22_1","doi-asserted-by":"crossref","first-page":"1059","DOI":"10.1213\/ANE.0b013e3181eb6372","article-title":"Estimation and pharmacodynamic consequences of the minimum effective anesthetic volumes median and ulnar nerve blocks: a randomized, double\u2010blind, controlled comparison between ultrasound and nerve stimulation guidance","volume":"111","author":"Ponrouch M","year":"2010","journal-title":"Anesth Analg"}],"container-title":["Pediatric 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