{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,6,19]],"date-time":"2026-06-19T12:37:44Z","timestamp":1781872664517,"version":"3.54.5"},"reference-count":19,"publisher":"Wiley","issue":"12","license":[{"start":{"date-parts":[[2019,10,17]],"date-time":"2019-10-17T00:00:00Z","timestamp":1571270400000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Cardiovasc electrophysiol"],"published-print":{"date-parts":[[2019,12]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:label\/><jats:p>The aim of the study was to provide quantitative data and to look for new landmarks useful during transseptal puncture (TSP) using a fluoroscopy\u2010guided approach.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods and results<\/jats:title><jats:p>A total of 104 patients at mean age 57\u2009\u00b1\u200912 years, of whom 92% underwent pulmonary vein isolation, were analysed. Before TSP catheters were placed in the coronary sinus (CS) and His bundle region. A guidewire running from femoral vein through great veins was left loose in superior vena cava.<\/jats:p><jats:p>Before TSP X\u2010ray images were taken in right anterior oblique (RAO) 45\u00b0 and RAO 53\u00b0 projections. Locations posterior to TSP site in RAO were described with negative values and those anterior with positive values.<\/jats:p><jats:p>The measured distances in millimeters were as follows: (a) between TSP site and posterior atrial wall (RAO 45\u2009=\u2009\u201321\u2009\u00b1\u20097\u2009mm; RAO 53\u2009=\u2009\u201319\u2009\u00b1\u20096\u2009mm (b) between TSP site and free guidewire (RAO 45\u2009=\u2009\u20135\u2009\u00b1\u20094\u2009mm, RAO 53\u2009=\u2009\u20133\u2009\u00b1\u20094\u2009mm (c) between TSP site and CS ostium (RAO 45\u2009=\u20099\u2009\u00b1\u20096\u2009mm; RAO 53\u2009=\u20098\u2009\u00b1\u20095\u2009mm (d) between TSP site and His region (RAO 45\u2009=\u200929\u2009\u00b1\u20098\u2009mm; RAO 53\u2009=\u200930\u2009\u00b1\u20098\u2009mm). We observed correlations between measured distances and age, body mass index and sizes of cardiac chambers. The distance between TSP site and the line projected by the guidewire running between great veins, measured in mid\u2010RAO projections, was very small.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p>The distances between TSP site and standard anatomical landmarks used during TSP vary with regard to age, physique and cardiac chamber dimensions. TSP site, as assessed in mid RAO, is in direct vicinity to the line projected by a guidewire running between the great veins.<\/jats:p><\/jats:sec>","DOI":"10.1111\/jce.14224","type":"journal-article","created":{"date-parts":[[2019,10,9]],"date-time":"2019-10-09T12:05:33Z","timestamp":1570622733000},"page":"2841-2848","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":2,"title":["Distances between transseptal puncture site and anatomical landmarks"],"prefix":"10.1111","volume":"30","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-3317-1837","authenticated-orcid":false,"given":"Pawe\u0142","family":"Derejko","sequence":"first","affiliation":[{"name":"Department of Cardiology and Internal Medicine Medicover Hospital  Warsaw Poland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-2713-2102","authenticated-orcid":false,"given":"Andrzej","family":"Hasiec","sequence":"additional","affiliation":[{"name":"Department of Cardiac Arrhythmias Institute of Cardiology  Warsaw Poland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Aleksander","family":"Bardyszewski","sequence":"additional","affiliation":[{"name":"Department of Cardiology and Internal Medicine Medicover Hospital  Warsaw Poland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jacek","family":"Ku\u015bnierz","sequence":"additional","affiliation":[{"name":"Department of Cardiology and Internal Medicine Medicover Hospital  Warsaw Poland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Dobromi\u0142a","family":"Dzwonkowska","sequence":"additional","affiliation":[{"name":"Department of Cardiology and Internal Medicine Medicover Hospital  Warsaw 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