{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,2,21]],"date-time":"2025-02-21T03:05:44Z","timestamp":1740107144407,"version":"3.37.3"},"reference-count":20,"publisher":"Springer Science and Business Media LLC","issue":"4","license":[{"start":{"date-parts":[[2019,3,16]],"date-time":"2019-03-16T00:00:00Z","timestamp":1552694400000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/www.springer.com\/tdm"}],"funder":[{"DOI":"10.13039\/100010400","name":"Children\u2019s Mercy Hospital","doi-asserted-by":"publisher","id":[{"id":"10.13039\/100010400","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["link.springer.com"],"crossmark-restriction":false},"short-container-title":["Pediatr Cardiol"],"published-print":{"date-parts":[[2019,4]]},"DOI":"10.1007\/s00246-019-02086-3","type":"journal-article","created":{"date-parts":[[2019,3,16]],"date-time":"2019-03-16T06:02:58Z","timestamp":1552716178000},"page":"677-684","update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":4,"title":["The Significance of Left Axis Deviation in the Pediatric Population: A Meta-Analysis"],"prefix":"10.1007","volume":"40","author":[{"given":"Fu-Sheng","family":"Chou","sequence":"first","affiliation":[]},{"given":"Amy J.","family":"Johnson","sequence":"additional","affiliation":[]},{"ORCID":"https:\/\/orcid.org\/0000-0001-5880-3496","authenticated-orcid":false,"given":"Laxmi V.","family":"Ghimire","sequence":"additional","affiliation":[]}],"member":"297","published-online":{"date-parts":[[2019,3,16]]},"reference":[{"key":"2086_CR1","doi-asserted-by":"publisher","first-page":"233","DOI":"10.1161\/01.CIR.14.2.233","volume":"14","author":"RP Grant","year":"1956","unstructured":"Grant RP (1956) Left axis deviation; an electrocardiographic-pathologic correlation study. Circulation 14:233\u2013249","journal-title":"Circulation"},{"key":"2086_CR2","doi-asserted-by":"publisher","first-page":"462","DOI":"10.1016\/0002-8703(61)90253-8","volume":"62","author":"GW Curd Jr","year":"1961","unstructured":"Curd GW Jr, Hicks WM Jr, Gyorkey F (1961) Marked left axis deviation. Indication of cardiac abnormality. Am Heart J 62:462\u2013469","journal-title":"Am Heart J"},{"key":"2086_CR3","doi-asserted-by":"publisher","first-page":"451","DOI":"10.1136\/hrt.31.4.451","volume":"31","author":"OP Bahl","year":"1969","unstructured":"Bahl OP, Walsh TJ, Massie E (1969) Left axis deviation. An electrocardiographic study with post-mortem correlation. Br Heart J 31:451\u2013456","journal-title":"Br Heart J"},{"key":"2086_CR4","doi-asserted-by":"publisher","first-page":"197","DOI":"10.1054\/jelc.2001.24763","volume":"34","author":"HE Tutar","year":"2001","unstructured":"Tutar HE, Atalay S, T\u00fcrkay S, Imamoglu A (2001) QRS axis in isolated perimembranous ventricular septal defect and influences of morphological factors on QRS axis. J Electrocardiol 34:197\u2013203","journal-title":"J Electrocardiol"},{"key":"2086_CR5","doi-asserted-by":"publisher","first-page":"956","DOI":"10.1161\/01.CIR.22.5.956","volume":"22","author":"J Liebman","year":"1960","unstructured":"Liebman J, Nadas AS (1960) The vectorcardiogram in the differential diagnosis of atrial septal defect in children. Circulation 22:956\u2013975","journal-title":"Circulation"},{"key":"2086_CR6","doi-asserted-by":"publisher","first-page":"437","DOI":"10.1161\/01.CIR.42.3.437","volume":"42","author":"RH Feldt","year":"1970","unstructured":"Feldt RH, DuShane JW, Titus JL (1970) The atrioventricular conduction system in persistent common atrioventricular canal defect: correlations with electrocardiogram. Circulation 42:437\u2013444","journal-title":"Circulation"},{"key":"2086_CR7","doi-asserted-by":"publisher","first-page":"12","DOI":"10.1161\/01.CIR.60.1.12","volume":"60","author":"JK Perloff","year":"1979","unstructured":"Perloff JK, Roberts NK, Cabeen WR Jr (1979) Left axis deviation: a reassessment. Circulation 60:12\u201321","journal-title":"Circulation"},{"key":"2086_CR8","doi-asserted-by":"publisher","first-page":"24","DOI":"10.1161\/01.CIR.34.1.24","volume":"34","author":"R Gamboa","year":"1966","unstructured":"Gamboa R, Gersony WM, Nadas AS (1966) The electrocardiogram in tricuspid atresia and pulmonary atresia with intact ventricular septum. Circulation 34:24\u201337","journal-title":"Circulation"},{"key":"2086_CR9","doi-asserted-by":"publisher","first-page":"1357","DOI":"10.1016\/j.jcmg.2009.08.009","volume":"2","author":"N Hakacova","year":"2009","unstructured":"Hakacova N, Wagner GS, Idriss SF (2009) Electroanatomic relationships in patients with primum atrioventricular septal defect. JACC Cardiovasc Imaging 2:1357\u20131365","journal-title":"JACC Cardiovasc Imaging"},{"key":"2086_CR10","doi-asserted-by":"publisher","first-page":"619","DOI":"10.1016\/0002-8703(65)90243-7","volume":"69","author":"AM Gup","year":"1965","unstructured":"Gup AM, Franklin RB, Hill JE Jr (1965) The vectorcardiogram in children with left axis deviation and no apparent heart disease. Am Heart J 69:619\u2013623","journal-title":"Am Heart J"},{"key":"2086_CR11","doi-asserted-by":"publisher","first-page":"236","DOI":"10.1016\/0167-5273(89)90312-4","volume":"24","author":"G Calcaterra","year":"1989","unstructured":"Calcaterra G, Puglisi R (1989) Left axis deviation in healthy infants and children. Int J Cardiol 24:236\u2013238","journal-title":"Int J Cardiol"},{"key":"2086_CR12","doi-asserted-by":"publisher","first-page":"b2700","DOI":"10.1136\/bmj.b2700","volume":"339","author":"A Liberati","year":"2009","unstructured":"Liberati A, Altman DG, Tetzlaff J et al (2009) The PRISMA statement for reporting systematic reviews and meta-analyses of studies that evaluate healthcare interventions: explanation and elaboration. BMJ 339:b2700","journal-title":"BMJ"},{"key":"2086_CR13","doi-asserted-by":"publisher","first-page":"924","DOI":"10.1136\/bmj.39489.470347.AD","volume":"336","author":"GH Guyatt","year":"2008","unstructured":"Guyatt GH, Oxman AD, Vist GE et al (2008) GRADE: an emerging consensus on rating quality of evidence and strength of recommendations. BMJ 336:924\u2013926","journal-title":"BMJ"},{"key":"2086_CR14","doi-asserted-by":"publisher","first-page":"453","DOI":"10.1378\/chest.53.4.453","volume":"53","author":"J Moller","year":"1968","unstructured":"Moller J, Carlson E, Eliot RS (1968) Left axis deviation in children. Dis Chest 53:453\u2013456","journal-title":"Dis Chest"},{"key":"2086_CR15","doi-asserted-by":"publisher","first-page":"729","DOI":"10.1136\/adc.49.9.729","volume":"49","author":"EA Shinebourne","year":"1974","unstructured":"Shinebourne EA, Haworth SG, Anderson RH, Ulgur A (1974) Differential diagnosis of congenital heart disease in the first 3 months of life. Significance of superior (left) QRS axis. Arch Dis Child 49:729\u2013733","journal-title":"Arch Dis Child"},{"key":"2086_CR16","doi-asserted-by":"publisher","first-page":"256","DOI":"10.1055\/s-2008-1034379","volume":"195","author":"HW Rautenburg","year":"1983","unstructured":"Rautenburg HW, Wagner R (1983) [Left anterior hemiblock (left axis deviation) in the ECG of children before and after heart surgery]. Klin Padiatr 195:256\u2013262","journal-title":"Klin Padiatr"},{"key":"2086_CR17","doi-asserted-by":"publisher","first-page":"110","DOI":"10.1111\/chd.12294","volume":"11","author":"P Ravi","year":"2016","unstructured":"Ravi P, Ashwath R, Strainic J et al (2016) Clinical and financial impact of ordering an echocardiogram in children with left axis deviation on their electrocardiogram. Congenit Heart Dis 11:110\u2013114","journal-title":"Congenit Heart Dis"},{"key":"2086_CR18","doi-asserted-by":"publisher","unstructured":"Schneider AE, Cannon BC, Johnson JN et al (2018) Left axis deviation in children without previously known heart disease. Pediatrics. \n                    https:\/\/doi.org\/10.1542\/peds.2017-1970","DOI":"10.1542\/peds.2017-1970"},{"key":"2086_CR19","doi-asserted-by":"publisher","first-page":"427","DOI":"10.1136\/adc.54.6.427","volume":"54","author":"RW Jones","year":"1979","unstructured":"Jones RW, Sharp C, Rabb LR et al (1979) 1028 neonatal electrocardiograms. Arch Dis Child 54:427\u2013431","journal-title":"Arch Dis Child"},{"key":"2086_CR20","doi-asserted-by":"publisher","first-page":"119","DOI":"10.1016\/0167-5273(92)90096-L","volume":"34","author":"W Pearl","year":"1992","unstructured":"Pearl W, Stafford EM (1992) Left axis deviation in children. Int J Cardiol 34:119","journal-title":"Int J Cardiol"}],"container-title":["Pediatric Cardiology"],"original-title":[],"language":"en","link":[{"URL":"http:\/\/link.springer.com\/content\/pdf\/10.1007\/s00246-019-02086-3.pdf","content-type":"application\/pdf","content-version":"vor","intended-application":"text-mining"},{"URL":"http:\/\/link.springer.com\/article\/10.1007\/s00246-019-02086-3\/fulltext.html","content-type":"text\/html","content-version":"vor","intended-application":"text-mining"},{"URL":"http:\/\/link.springer.com\/content\/pdf\/10.1007\/s00246-019-02086-3.pdf","content-type":"application\/pdf","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2020,3,15]],"date-time":"2020-03-15T00:05:06Z","timestamp":1584230706000},"score":1,"resource":{"primary":{"URL":"http:\/\/link.springer.com\/10.1007\/s00246-019-02086-3"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2019,3,16]]},"references-count":20,"journal-issue":{"issue":"4","published-print":{"date-parts":[[2019,4]]}},"alternative-id":["2086"],"URL":"https:\/\/doi.org\/10.1007\/s00246-019-02086-3","relation":{},"ISSN":["0172-0643","1432-1971"],"issn-type":[{"type":"print","value":"0172-0643"},{"type":"electronic","value":"1432-1971"}],"subject":[],"published":{"date-parts":[[2019,3,16]]},"assertion":[{"value":"26 December 2018","order":1,"name":"received","label":"Received","group":{"name":"ArticleHistory","label":"Article History"}},{"value":"7 March 2019","order":2,"name":"accepted","label":"Accepted","group":{"name":"ArticleHistory","label":"Article History"}},{"value":"16 March 2019","order":3,"name":"first_online","label":"First Online","group":{"name":"ArticleHistory","label":"Article History"}},{"order":1,"name":"Ethics","group":{"name":"EthicsHeading","label":"Compliance with Ethical Standards"}},{"value":"The authors have no conflicts of interest to disclose.","order":2,"name":"Ethics","group":{"name":"EthicsHeading","label":"Conflict of interest"}},{"value":"All procedures performed in studies involving human participants were in accordance with the ethical standards.","order":3,"name":"Ethics","group":{"name":"EthicsHeading","label":"Ethical Approval"}}]}}