Effectiveness of three-dimensional printed lumbar spine-model-based training for epidural anesthesia in novice anesthesiology residents

Makaleler > Tam Makale · 2026

Yazarlar: Nezih SERTÖZ, Cengiz ŞAHUTOĞLU, Kazim Koray Ozgul, Mehmet Asım ÖZER, Figen GÖKMEN

SURGICAL AND RADIOLOGIC ANATOMY, SCI Expanded İndekslerine Giren Dergi, Uluslararası, Wos, 2026, cilt 48, ss 1-11

DOI: 10.1007/s00276-026-03933-8

Özet

<p>Background&nbsp;Epidural&nbsp;procedures&nbsp;have&nbsp;a&nbsp;steep&nbsp;learning&nbsp;curve&nbsp;and&nbsp;may&nbsp;raise&nbsp;patient-safety&nbsp;concerns&nbsp;during&nbsp;early&nbsp;anesthesiology&nbsp;training.&nbsp;We&nbsp;evaluated&nbsp;whether&nbsp;a&nbsp;low-cost,&nbsp;three-dimensional&nbsp;(3D)&nbsp;simulation&nbsp;model&nbsp;improves&nbsp;early&nbsp;procedural&nbsp;success&nbsp;and&nbsp;efficiency&nbsp;in&nbsp;novice&nbsp;trainees.&nbsp;Methods&nbsp;In&nbsp;this&nbsp;prospective&nbsp;randomized&nbsp;controlled&nbsp;study,&nbsp;36&nbsp;anesthesia&nbsp;residents&nbsp;were&nbsp;randomized&nbsp;into&nbsp;two&nbsp;groups.&nbsp;Group&nbsp;A&nbsp;received&nbsp;hands-on&nbsp;training&nbsp;on&nbsp;a&nbsp;3D&nbsp;simulation&nbsp;model&nbsp;plus&nbsp;audiovisual&nbsp;teaching,&nbsp;whereas&nbsp;Group&nbsp;B&nbsp;received&nbsp;audiovisual&nbsp;teaching&nbsp;only.&nbsp;Performance&nbsp;was&nbsp;assessed&nbsp;at&nbsp;baseline&nbsp;(0&nbsp;h),&nbsp;3&nbsp;h,&nbsp;and&nbsp;6&nbsp;h&nbsp;using&nbsp;procedural&nbsp;success,&nbsp;a&nbsp;checklist&nbsp;score,&nbsp;and&nbsp;a&nbsp;global&nbsp;rating&nbsp;scale;&nbsp;procedure&nbsp;time&nbsp;was&nbsp;recorded.&nbsp;Results&nbsp;Baseline&nbsp;success&nbsp;was&nbsp;comparable&nbsp;between&nbsp;groups.&nbsp;At&nbsp;3&nbsp;h&nbsp;and&nbsp;6&nbsp;h,&nbsp;Group&nbsp;A&nbsp;demonstrated&nbsp;a&nbsp;marked&nbsp;improvement,&nbsp;reaching&nbsp;a&nbsp;success&nbsp;rate&nbsp;of&nbsp;94.4%&nbsp;at&nbsp;6&nbsp;h&nbsp;compared&nbsp;with&nbsp;50.0%&nbsp;in&nbsp;Group&nbsp;B.&nbsp;Checklist&nbsp;scores&nbsp;did&nbsp;not&nbsp;differ&nbsp;at&nbsp;baseline&nbsp;(p&nbsp;=&nbsp;0.888)&nbsp;but&nbsp;were&nbsp;significantly&nbsp;higher&nbsp;in&nbsp;Group&nbsp;A&nbsp;at&nbsp;3&nbsp;h&nbsp;and&nbsp;6&nbsp;h&nbsp;(both&nbsp;p&nbsp;&lt;&nbsp;0.001).&nbsp;Procedure&nbsp;time&nbsp;decreased&nbsp;significantly&nbsp;in&nbsp;Group&nbsp;A&nbsp;(from&nbsp;149&nbsp;+/-&nbsp;24&nbsp;s&nbsp;to&nbsp;107&nbsp;+/-&nbsp;26&nbsp;s,&nbsp;p&nbsp;&lt;&nbsp;0.001)&nbsp;versus&nbsp;a&nbsp;limited&nbsp;reduction&nbsp;in&nbsp;Group&nbsp;B&nbsp;(from&nbsp;148&nbsp;+/-&nbsp;26&nbsp;s&nbsp;to&nbsp;142&nbsp;+/-&nbsp;22&nbsp;s,&nbsp;p&nbsp;=&nbsp;0.001).&nbsp;The&nbsp;model&nbsp;was&nbsp;inexpensive&nbsp;and&nbsp;feasible&nbsp;to&nbsp;produce&nbsp;(similar&nbsp;to&nbsp;6&nbsp;h&nbsp;printing&nbsp;time;&nbsp;total&nbsp;cost&nbsp;similar&nbsp;to$11.50/model).&nbsp;Conclusion&nbsp;Low-cost&nbsp;3D&nbsp;model-assisted&nbsp;training&nbsp;improved&nbsp;short-term&nbsp;simulator-based&nbsp;epidural&nbsp;performance,&nbsp;checklist&nbsp;scores,&nbsp;GRS&nbsp;scores,&nbsp;and&nbsp;procedural&nbsp;efficiency&nbsp;among&nbsp;novice&nbsp;anesthesiology&nbsp;residents.&nbsp;These&nbsp;findings&nbsp;support&nbsp;the&nbsp;use&nbsp;of&nbsp;3D&nbsp;printed&nbsp;models&nbsp;as&nbsp;an&nbsp;accessible&nbsp;hands-on&nbsp;adjunct&nbsp;to&nbsp;conventional&nbsp;audiovisual&nbsp;epidural&nbsp;anesthesia&nbsp;training.&nbsp;Further&nbsp;studies&nbsp;are&nbsp;needed&nbsp;to&nbsp;determine&nbsp;whether&nbsp;these&nbsp;improvements&nbsp;translate&nbsp;into&nbsp;long-term&nbsp;retention,&nbsp;clinical&nbsp;performance&nbsp;and&nbsp;patient&nbsp;outcomes.</p>

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