The hidden blood loss and its factors in patients undergoing minimally invasive knee arthroscopy

BackgroundWith respect to knee arthroscopy, assessing the amount of hidden blood loss is of great importance to avoid potential complications such as fever, anemia, difficulty in wound healing and wound infection. The current study aims to investigate the hidden blood loss and its factors in patient...

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Main Authors: Sheng Li, Liang A
Format: Article
Language:English
Published: Frontiers Media S.A. 2022-08-01
Series:Frontiers in Surgery
Subjects:
Online Access:https://www.frontiersin.org/articles/10.3389/fsurg.2022.944481/full
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author Sheng Li
Sheng Li
Liang A
Liang A
author_facet Sheng Li
Sheng Li
Liang A
Liang A
author_sort Sheng Li
collection DOAJ
description BackgroundWith respect to knee arthroscopy, assessing the amount of hidden blood loss is of great importance to avoid potential complications such as fever, anemia, difficulty in wound healing and wound infection. The current study aims to investigate the hidden blood loss and its factors in patients who underwent minimally invasive knee arthroscopy.MethodsConsecutive patients with knee joint injury, who underwent arthroscopic minimally invasive treatment, were enrolled from January 2019 to November 2020 and were retrospectively studied. Demographic information on these patients, such as medical history and biochemical parameters, was collected. The hidden blood loss was calculated. Multivariate linear regression analysis was used to confirm independent factors associated with hidden blood loss.ResultsFinally, a total of 100 patients aged 44.78 ± 13.67 (range 17–66) years were reviewed, and it was found that a substantial amount of [387.02 ± 252.56 (range 18.89–1130.06) ml] hidden blood loss occurred after minimally invasive knee arthroscopy. Univariate analysis showed that this hidden blood loss was negatively correlated with age, gender, postoperative hemoglobin, and postoperative hematocrit (all P < 0.05), while it was positively correlated with body mass index (BMI), length of hospital stay, preoperative red blood cells, preoperative hemoglobin, preoperative hematocrit, blood volume, and the presence of medical conditions (all P < 0.05). Further multivariate linear regression indicated that preoperative hematocrit, blood volume, and postoperative hematocrit were independent factors associated with actual blood loss, and preoperative hematocrit, blood volume, postoperative hematocrit, and gender were independent factors associated with hidden blood loss, respectively (all P < 0.05).ConclusionPreoperative hematocrit, preoperative blood volume, postoperative hematocrit, and gender are the influencing factors of hidden blood loss in patients undergoing minimally invasive treatment under knee arthroscopy. More attention should be paid to hidden blood loss and its factors during the perioperative period.
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spelling doaj.art-ef4f4c8c9c8d466692e234b56abc7bad2022-12-22T01:38:38ZengFrontiers Media S.A.Frontiers in Surgery2296-875X2022-08-01910.3389/fsurg.2022.944481944481The hidden blood loss and its factors in patients undergoing minimally invasive knee arthroscopySheng Li0Sheng Li1Liang A2Liang A3Department of Orthopaedics, Affiliated Central Hospital of Shenyang Medical College, Shenyang, ChinaShenyang Hand Foot Clinical Research Center, Shenyang, ChinaDepartment of Orthopaedics, Affiliated Central Hospital of Shenyang Medical College, Shenyang, ChinaShenyang Hand Foot Clinical Research Center, Shenyang, ChinaBackgroundWith respect to knee arthroscopy, assessing the amount of hidden blood loss is of great importance to avoid potential complications such as fever, anemia, difficulty in wound healing and wound infection. The current study aims to investigate the hidden blood loss and its factors in patients who underwent minimally invasive knee arthroscopy.MethodsConsecutive patients with knee joint injury, who underwent arthroscopic minimally invasive treatment, were enrolled from January 2019 to November 2020 and were retrospectively studied. Demographic information on these patients, such as medical history and biochemical parameters, was collected. The hidden blood loss was calculated. Multivariate linear regression analysis was used to confirm independent factors associated with hidden blood loss.ResultsFinally, a total of 100 patients aged 44.78 ± 13.67 (range 17–66) years were reviewed, and it was found that a substantial amount of [387.02 ± 252.56 (range 18.89–1130.06) ml] hidden blood loss occurred after minimally invasive knee arthroscopy. Univariate analysis showed that this hidden blood loss was negatively correlated with age, gender, postoperative hemoglobin, and postoperative hematocrit (all P < 0.05), while it was positively correlated with body mass index (BMI), length of hospital stay, preoperative red blood cells, preoperative hemoglobin, preoperative hematocrit, blood volume, and the presence of medical conditions (all P < 0.05). Further multivariate linear regression indicated that preoperative hematocrit, blood volume, and postoperative hematocrit were independent factors associated with actual blood loss, and preoperative hematocrit, blood volume, postoperative hematocrit, and gender were independent factors associated with hidden blood loss, respectively (all P < 0.05).ConclusionPreoperative hematocrit, preoperative blood volume, postoperative hematocrit, and gender are the influencing factors of hidden blood loss in patients undergoing minimally invasive treatment under knee arthroscopy. More attention should be paid to hidden blood loss and its factors during the perioperative period.https://www.frontiersin.org/articles/10.3389/fsurg.2022.944481/fullarthroscopyminimally invasivekneehidden blood lossrisk factors
spellingShingle Sheng Li
Sheng Li
Liang A
Liang A
The hidden blood loss and its factors in patients undergoing minimally invasive knee arthroscopy
Frontiers in Surgery
arthroscopy
minimally invasive
knee
hidden blood loss
risk factors
title The hidden blood loss and its factors in patients undergoing minimally invasive knee arthroscopy
title_full The hidden blood loss and its factors in patients undergoing minimally invasive knee arthroscopy
title_fullStr The hidden blood loss and its factors in patients undergoing minimally invasive knee arthroscopy
title_full_unstemmed The hidden blood loss and its factors in patients undergoing minimally invasive knee arthroscopy
title_short The hidden blood loss and its factors in patients undergoing minimally invasive knee arthroscopy
title_sort hidden blood loss and its factors in patients undergoing minimally invasive knee arthroscopy
topic arthroscopy
minimally invasive
knee
hidden blood loss
risk factors
url https://www.frontiersin.org/articles/10.3389/fsurg.2022.944481/full
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