{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,5,14]],"date-time":"2025-05-14T12:46:34Z","timestamp":1747226794224,"version":"3.40.5"},"reference-count":34,"publisher":"King Faisal Specialist Hospital and Research Centre","issue":"6","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Ann Saudi Med"],"published-print":{"date-parts":[[2022,11]]},"abstract":"<jats:sec>\n            <jats:title>BACKGROUND:<\/jats:title>\n            <jats:p>Post-tonsillectomy hemorrhage (PTH) affects around 4% of patients after tonsillectomy. We hypothesized that preoperative thromboelastography (TEG) might identify patients at higher risk of PTH.<\/jats:p>\n          <\/jats:sec>\n          <jats:sec>\n            <jats:title>OBJECTIVE:<\/jats:title>\n            <jats:p>Investigate whether evaluation of coagulation function by preoperative TEG might help to predict PTH after tonsillectomy by coblation tonsillectomy (TE).<\/jats:p>\n          <\/jats:sec>\n          <jats:sec>\n            <jats:title>DESIGN:<\/jats:title>\n            <jats:p>Post-hoc analysis of randomized controlled study.<\/jats:p>\n          <\/jats:sec>\n          <jats:sec>\n            <jats:title>SETTING:<\/jats:title>\n            <jats:p>Otolaryngology Department between January 2017 and August 2019.<\/jats:p>\n          <\/jats:sec>\n          <jats:sec>\n            <jats:title>PATIENTS AND METHODS:<\/jats:title>\n            <jats:p>This post-hoc analysis included adults who underwent coblation TE for benign tonsillar disorders. Routine blood tests and TEG were performed preoperatively. The TEG parameters evaluated included coagulation reaction time (R) and maximum thrombus amplitude (MA).<\/jats:p>\n          <\/jats:sec>\n          <jats:sec>\n            <jats:title>MAIN OUTCOME MEASURES:<\/jats:title>\n            <jats:p>The main outcome was PTH during the 4-week postoperative period.<\/jats:p>\n          <\/jats:sec>\n          <jats:sec>\n            <jats:title>SAMPLE SIZE AND CHARACTERISTICS:<\/jats:title>\n            <jats:p>284<\/jats:p>\n          <\/jats:sec>\n          <jats:sec>\n            <jats:title>RESULTS:<\/jats:title>\n            <jats:p>\n              The 19 patients (6.7%) that experienced PTH had a higher prevalence of diabetes mellitus, lower use of intraoperative suturing, fewer patients with grade I and II tonsillar enlargement, a higher white blood cell count, lower platelet count, lower fibrinogen level, lower R value, and a lower MA value than patients without PTH (all\n              <jats:italic>P<\/jats:italic>\n              &lt;.05). Multivariate logistic regression revealed that diabetes mellitus (\n              <jats:italic>P<\/jats:italic>\n              &lt;.053), fibrinogen level \u22642.735 g\/L (\n              <jats:italic>P<\/jats:italic>\n              &lt;.027), R\u22646.55 min (\n              <jats:italic>P<\/jats:italic>\n              &lt;.011) and MA\u226459.15 mm (\n              <jats:italic>P<\/jats:italic>\n              &lt;.012) were independently associated with PTH. A regression model incorporating these four factors predicted PTH with a sensitivity of 73.7% and specificity of 83.8%.\n            <\/jats:p>\n          <\/jats:sec>\n          <jats:sec>\n            <jats:title>CONCLUSION:<\/jats:title>\n            <jats:p>Preoperative evaluation of diabetes mellitus history, fibrinogen level, and TEG parameters might help to identify patients at higher risk of PTH after coblation TE.<\/jats:p>\n          <\/jats:sec>\n          <jats:sec>\n            <jats:title>LIMITATIONS:<\/jats:title>\n            <jats:p>Single-center study with a small sample size; possibly underpowered statistically. TEG measurements might not accurately reflect coagulation function, and a validation cohort was unavailable.<\/jats:p>\n          <\/jats:sec>\n          <jats:sec>\n            <jats:title>CONFLICT OF INTEREST:<\/jats:title>\n            <jats:p>None.<\/jats:p>\n          <\/jats:sec>\n          <jats:sec>\n            <jats:title>CHINESE CLINICAL TRIAL REGISTRY NUMBER OF STUDY USED IN THIS ANALYSIS:<\/jats:title>\n            <jats:p>\n              ChiCTR2000032171.\n              <jats:ext-link xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" ext-link-type=\"uri\" xlink:href=\"http:\/\/www.chictr.org.cn\/showprojen.aspx?proj=52553\">http:\/\/www.chictr.org.cn\/showprojen.aspx?proj=52553<\/jats:ext-link>\n            <\/jats:p>\n          <\/jats:sec>","DOI":"10.5144\/0256-4947.2022.377","type":"journal-article","created":{"date-parts":[[2022,11,29]],"date-time":"2022-11-29T12:09:44Z","timestamp":1669723784000},"page":"377-384","source":"Crossref","is-referenced-by-count":0,"title":["Preoperative thromboelastography in the prediction of post-tonsillectomy hemorrhage by coblation tonsillectomy: a post-hoc analysis"],"prefix":"10.5144","volume":"42","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-9265-229X","authenticated-orcid":true,"given":"Qian","family":"Liu","sequence":"first","affiliation":[{"name":"From the Department of Otolaryngology, Shenzhen People's Hospital, Shenzhen, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Yanping","family":"Zhang","sequence":"additional","affiliation":[{"name":"From the Department of Otolaryngology, 8th Medical Center, PLA General Hospital, Beijing, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Yanlu","family":"Liu","sequence":"additional","affiliation":[{"name":"From the Department of Otolaryngology, Shenzhen People's Hospital, Shenzhen, China"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"3134","reference":[{"issue":"2","key":"e_1_3_4_2_2","doi-asserted-by":"crossref","first-page":"187","DOI":"10.1177\/0194599818807917","article-title":"Clinical Practice Guideline: Tonsillectomy in Children (Update)-Executive Summary","volume":"160","author":"Mitchell RB","year":"2019","unstructured":"Mitchell RB, Archer SM, Ishman SL, Rosenfeld RM, Coles S, Finestone SA, et al. 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