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Deng H, Fang X, Wang H, Li M. Preoperative Blood Transfusion Requirements for Hemorrhoidal Severe Anemia: A Retrospective Study of 128 Patients. Med Sci Monit 2024; 30:e943126. [PMID: 38704632 PMCID: PMC11080662 DOI: 10.12659/msm.943126] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2023] [Accepted: 03/01/2024] [Indexed: 05/06/2024] Open
Abstract
BACKGROUND Severe anemia caused by hemorrhoidal hematochezia is typically treated preoperatively with reference to severe anemia treatment strategies from other etiologies. This retrospective cohort study included 128 patients with hemorrhoidal severe anemia admitted to 3 hospitals from September 1, 2018, to August 1, 2023, and aimed to evaluate preoperative blood transfusion requirements. MATERIAL AND METHODS Of 5120 patients with hemorrhoids, 128 (2.25%; male/female: 72/56) experienced hemorrhoidal severe anemia, transfusion, and Milligan-Morgan surgery. Patients were categorized into 2 groups based on their preoperative hemoglobin (PHB) levels after transfusion: PHB ≥70 g/L as the liberal-transfusion group (LG), and PHB <70 as the restrictive-threshold group (RG). The general condition, bleeding duration, hemoglobin level on admission, transfusion volume, length of stay, immune transfusion reaction, surgical duration, and hospitalization cost were compared between the 2 groups. RESULTS Patients with severe anemia (age: 41.07±14.76) tended to be younger than those with common hemorrhoids (age: 49.431±15.59 years). The LG had a significantly higher transfusion volume (4.77±2.22 units), frequency of immune transfusion reactions (1.22±0.58), and hospitalization costs (16.69±3.31 thousand yuan) than the RG, which had a transfusion volume of 3.77±2.09 units, frequency of immune transfusion reactions of 0.44±0.51, and hospitalization costs of 15.00±3.06 thousand yuan. Surgical duration in the LG (25.69±14.71 min) was significantly lower than that of the RG (35.24±18.72 min). CONCLUSIONS Patients with hemorrhoids with severe anemia might require a lower preoperative transfusion threshold than the currently recognized threshold, with an undifferentiated treatment effect and additional benefits.
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Affiliation(s)
- Heng Deng
- Department of Anorectal Surgery, The Second Affiliated Hospital of Anhui University of Chinese Medicine, Hefei, Anhui, PR China
- Chinese Medicine Professional Doctorate Program, First Clinical Medical College, Anhui University of Chinese Medicine, Hefei, Anhui, PR China
| | - Xiaoli Fang
- Department of Anorectal Surgery, The First Affiliated Hospital of Anhui University of Chinese Medicine, Hefei, Anhui, PR China
| | - Hongchang Wang
- Department of Anorectal Surgery, The Third Affiliated Hospital of Anhui University of Chinese Medicine, Hefei, Anhui, PR China
| | - Ming Li
- Chinese Medicine Professional Doctorate Program, First Clinical Medical College, Anhui University of Chinese Medicine, Hefei, Anhui, PR China
- Department of Anorectal Surgery, The First Affiliated Hospital of Anhui University of Chinese Medicine, Hefei, Anhui, PR China
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Schatz C, Plötz W, Beckmann J, Bredow K, Leidl R, Buschner P. Associations of preoperative anemia and postoperative hemoglobin values with hospital costs in total knee arthroplasty (TKA). Arch Orthop Trauma Surg 2023; 143:6741-6751. [PMID: 37306776 PMCID: PMC10258736 DOI: 10.1007/s00402-023-04929-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/27/2023] [Accepted: 05/22/2023] [Indexed: 06/13/2023]
Abstract
BACKGROUND Total knee arthroplasty are among the most frequently conducted surgeries, due to an aging society. Since hospital costs are subsequently rising, adequate preparation of patients and reimbursement becomes more and more important. Recent literature revealed anemia as a risk factor for enhanced length of stay (LOS) and complications. This study analyzed whether preoperative hemoglobin (Hb) and postoperative Hb were associated with total hospital costs and general ward costs. METHODS The study comprised 367 patients from a single high-volume hospital in Germany. Hospital costs were calculated with standardized cost accounting methods. Generalized linear models were applied to account for confounders, such as age, comorbidities, body mass index, insurance status, health-related quality of life, implant types, incision-suture-time and tranexamic acid. RESULTS Preoperative anemic women had 426 Euros higher general ward costs (p < 0.01), due to increased LOS. For men, 1 g/dl less Hb loss between the preoperative value and the value before discharge reduced total costs by 292 Euros (p < 0.001) and 161 Euros fewer general ward costs (p < 0.001). Total hospital costs were reduced by 144 Euros with 1 g/dl higher Hb on day 2 postoperatively for women (p < 0.01). CONCLUSION Preoperative anemia was associated with increased general ward costs for women and Hb loss with decreasing total hospital costs for men and women. Cost containment, especially reduced utilization of the general ward, may be feasible with the correction of anemia for women. Postoperative Hb values may be a factor for adjustments of reimbursement systems. LEVEL OF EVIDENCE Retrospective cohort study, III.
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Affiliation(s)
- Caroline Schatz
- Ludwig-Maximilians-Universität München, LMU Munich School of Management, Institute for Health Economics and Health Care Management, Ludwigstr. 28, 80539, Munich, Germany.
- Helmholtz Zentrum München, Institute for Health Economics and Health Care Management, Munich, Germany.
- Environmental Health Center at Helmholtz Munich, Munich, Germany.
| | - Werner Plötz
- Krankenhaus Barmherzige Brüder München, Akademisches Lehrkrankenhaus der Technischen Universität München, Munich, Germany
- Klinikum rechts der Isar, Technical University Munich, Munich, Germany
- Orthopaedic Praxis Munich-Nymphenburg, Munich, Germany
| | - Johannes Beckmann
- Krankenhaus Barmherzige Brüder München, Akademisches Lehrkrankenhaus der Technischen Universität München, Munich, Germany
| | - Katharina Bredow
- Helmholtz Zentrum München, Institute for Health Economics and Health Care Management, Munich, Germany
| | - Reiner Leidl
- Ludwig-Maximilians-Universität München, LMU Munich School of Management, Institute for Health Economics and Health Care Management, Ludwigstr. 28, 80539, Munich, Germany
- Helmholtz Zentrum München, Institute for Health Economics and Health Care Management, Munich, Germany
| | - Peter Buschner
- Krankenhaus Barmherzige Brüder München, Akademisches Lehrkrankenhaus der Technischen Universität München, Munich, Germany
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Harris AB, Narain S, Gu A, Best M, Thakkar S, Khanuja H, Sterling R. Data-driven preoperative hemoglobin thresholds in patients undergoing Bilateral simultaneous total Knee arthroplasty are similar to patients undergoing unilateral total Knee arthroplasty. Knee 2023; 42:258-263. [PMID: 37105013 DOI: 10.1016/j.knee.2023.03.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/14/2022] [Revised: 01/21/2023] [Accepted: 03/02/2023] [Indexed: 04/29/2023]
Abstract
INTRODUCTION Preoperative anemia is a risk factor for transfusions and complications following total knee arthroplasty (TKA). Bilateral TKA (bTKA) is more extensive compared to unilateral TKA (uTKA) and a higher preoperative hemoglobin threshold may be warranted. We hypothesized that the optimal hemoglobin cutoff value which predicts the need for postoperative transfusion would be higher for bTKA than uTKA. METHODS We conducted a case control study using a national database and identified patients undergoing primary TKA from 2010-2020. 1:1, nearest-neighbor propensity-score matching was used to create a cohort of patients undergoing uTKA matched with patients undergoing bTKA based on age, gender, Charlston Comorbidity Index (CCI), and American Society of Anesthesiology (ASA) classification. After 2015, NSQIP discontinued collection of the variables MI, angina, and hemiplegia. Thus, the accuracy of CCI, which was used as a matching variable, will be less accurate after 2015. To explore this limitation further, a sensitivity analysis was performed excluding data after 2015 and there was no change in the significance of our primary outcomes. Hemoglobin thresholds which maximally predict postoperative transfusion risk and 30-day complications were identified using Youden's index. Significance was considered if 95% CI's were non-overlapping. RESULTS 9,891 patients were included in each of the bTKA and uTKA cohorts with successful 1:1 matching (p > 0.05 for all criteria). 3.216 (16 %) of patients received a transfusion in the postoperative period. Hemoglobin values which predict postoperative transfusions were not significantly different between uTKA and bTKA for both female and male groups. In females, the preoperative hemoglobin threshold was 12.8 g/dL (95 % CI: 12.2-13.3) in patients undergoing bTKA and 12.7 g/dL (95 % CI: 12.2 - 13.2) in uTKA. In males, the threshold was 13.9 (95 % CI: 13.7-14.2) in patients undergoing bTKA and 13.1 g/dL (95 % CI: 12.5-13.8) in patients undergoing uTKA. CONCLUSIONS Preoperative hemoglobin values which maximally predict postoperative transfusion risk following uTKA and bTKA are similar without significant differences.
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Affiliation(s)
- Andrew B Harris
- Department of Orthopaedic Surgery, The Johns Hopkins University, Baltimore, United States.
| | - Sasha Narain
- School of Medicine and Health Sciences, The George Washington University, Washington, DC, United States
| | - Alex Gu
- Department of Orthopaedic Surgery, The George Washington University, Washington, DC, United States
| | - Matthew Best
- Department of Orthopaedic Surgery, The Johns Hopkins University, Baltimore, United States
| | - Savyasachi Thakkar
- Department of Orthopaedic Surgery, The Johns Hopkins University, Baltimore, United States
| | - Harpal Khanuja
- Department of Orthopaedic Surgery, The Johns Hopkins University, Baltimore, United States
| | - Robert Sterling
- Department of Orthopaedic Surgery, The Johns Hopkins University, Baltimore, United States
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Xiong X, Li T, Cheng B. Anemia and formation of deep vein thrombosis before operation in patients with knee osteoarthritis: a cross-sectional study. J Orthop Surg Res 2023; 18:33. [PMID: 36631873 PMCID: PMC9835343 DOI: 10.1186/s13018-023-03518-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/04/2022] [Accepted: 01/08/2023] [Indexed: 01/13/2023] Open
Abstract
BACKGROUND Preoperative anemia is a common complication in knee osteoarthritis (KOA) patients. However, the association between anemia and preoperative deep vein thrombosis (DVT) in osteoarthritis patients remains unknown. The aim of this study was to investigate such association. METHODS In this retrospective study, we included 1005 KOA patients undergoing total knee arthroplasty (TKA) in our hospital. According to preoperative hemoglobin levels, the patients were divided into anemia group and non-anemia group. According to the results of Doppler ultrasonography for the lower extremities, the patients were divided into DVT group and non-DVT group. A logistic model was established through propensity score matching (PSM), with anemia before TKA as the dependent variable, DVT-related variable as the covariate, and 0.03 as the Caliper value. The anemia group and non-anemia group were matched at a 1:1 ratio and 310 successfully matched. After matching, logistic regression analysis was used to evaluate the correlation between preoperative anemia and DVT in KOA patients. RESULTS In this study, 342 cases (33.6%) had preoperative anemia and 73 cases (7.2%) had DVT before TKA. After matching, 46 DVT cases (7.42%) were found. By using binary logistic regression after PSM, we found that the risk for preoperative DVT formation in TKA patients with preoperative anemia increased by 1.97 times [95% (CI 1.05-3.69)], P = 0.035. CONCLUSION Preoperative anemia is considered as an independent risk factor for the formation of preoperative DVT in KOA patients. TRIAL REGISTRATION ChiCRT2100054844.
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Affiliation(s)
- Xiaojuan Xiong
- grid.414048.d0000 0004 1799 2720Department of Anesthesiology, Army Medical Center of PLA, Daping Hospital, Army Medical University, 10 ChangjiangZhilu, Yuzhong District, Chongqing, 400042 China
| | - Ting Li
- grid.414048.d0000 0004 1799 2720Department of Anesthesiology, Army Medical Center of PLA, Daping Hospital, Army Medical University, 10 ChangjiangZhilu, Yuzhong District, Chongqing, 400042 China
| | - Bo Cheng
- grid.452206.70000 0004 1758 417XDepartment of Anesthesiology, The First Affiliated Hospital of Chongqing Medical University Yuzhong District, 1 Youyi Road, Yuzhong District, Chongqing, 400000 China
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Lee SS, Lee J, Moon YW. Efficacy of immediate postoperative intravenous iron supplementation after staged bilateral total knee arthroplasty. BMC Musculoskelet Disord 2023; 24:17. [PMID: 36611148 PMCID: PMC9824915 DOI: 10.1186/s12891-023-06133-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/20/2022] [Accepted: 01/04/2023] [Indexed: 01/09/2023] Open
Abstract
BACKGROUND Approximately 26% of patients undergoing major orthopedic elective procedures have preoperative anemia. This study aimed to investigate the effect of intravenous (IV) iron supplementation on the hemoglobin (Hb) level after staged bilateral total knee arthroplasty (TKA) in patients with or without preoperative anemia. METHODS We retrospectively analyzed 418 patients who underwent staged bilateral TKA (1 week interval). The iron group (n = 220) received IV iron isomaltoside immediately after each TKA. The no-iron group (n = 198) was recommended to receive transfusion if postoperative anemia was diagnosed between the first and second TKA. Preoperative anemia was present in 42 (21.2%) and 50 (22.7%) patients in the no-iron and iron groups, respectively. Demographic data, preoperative and postoperative Hb levels, Hb level change (preoperative minus postoperative 6-week Hb level), and blood drainage amount were compared between groups. RESULTS The transfusion rate was lower in the iron group than in the no-iron group (96.5% vs. 58.6%, P < 0.001). Overall, the demographic data, preoperative and postoperative 6-week Hb levels, Hb level change, and blood drainage amount were not significantly different between the two groups. Among patients with preoperative anemia, the iron group showed lower Hb level change (0.6 ± 0.9 vs. 0.1 ± 1.1, P = 0.016). CONCLUSION Patients with preoperative anemia treated with IV iron showed lower Hb level change than did those without IV iron treatment. Despite the lower transfusion rate, the iron group showed similar postoperative 6-week Hb level and Hb level change to the no-iron group.
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Affiliation(s)
- Sung-Sahn Lee
- grid.411612.10000 0004 0470 5112Department of Orthopedic Surgery, Ilsan Paik Hospital, Inje University School of Medicine, Gyeonggido Goyangsi, South Korea
| | - Jeounghun Lee
- grid.264381.a0000 0001 2181 989XDepartment of Orthopedic Surgery, Samsung Medical Center, Sungkyunkwan University School of Medicine, 81 Ilwon street, Gangnam-Gu, 06351 Seoul, South Korea
| | - Young-Wan Moon
- grid.264381.a0000 0001 2181 989XDepartment of Orthopedic Surgery, Samsung Medical Center, Sungkyunkwan University School of Medicine, 81 Ilwon street, Gangnam-Gu, 06351 Seoul, South Korea
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Vasiliadis AV, Chatziravdeli V, Metaxiotis D, Beletsiotis A. A Prospective Randomized Comparative Study Between Midvastus and Standard Medial Parapatellar Approaches for Total Knee Replacement Regarding the Peri-Operative Factors. Cureus 2022; 14:e29889. [DOI: 10.7759/cureus.29889] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 09/29/2022] [Indexed: 11/07/2022] Open
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Dai Y, Han C, Weng X. Predict Postoperative Anemia of Patients: Nomogram Construction and Validation. Front Surg 2022; 9:849761. [PMID: 35756466 PMCID: PMC9222331 DOI: 10.3389/fsurg.2022.849761] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2022] [Accepted: 05/20/2022] [Indexed: 11/13/2022] Open
Abstract
IntroductionThe loss of blood is a significant problem in Total Knee Arthroplasty (TKA). Anemia often occurs after such surgeries, leading to serious consequences, such as higher postoperative infection rates and longer hospital stays. Tools for predicting possible anemia can provide additional guidance in realizing better blood management of patients.Methods2,165 patients who underwent TKA from 2015 to 2019 in the same medical center were divided into training and validation cohorts. Both univariate and multivariate logistic regression analyses were performed to identify independent preoperative risk factors for anemia. Based on these predictors, a nomogram was established using the area under the curve (AUC), calibration curve (AUC), and the area under the curve (AUC). The model was then applied to the validation cohort, and decision curve analyses (DCA) were also plotted.ResultsThrough analysis of both univariate and multivariate logistic regression, five independent predictors were found in the training cohort: female, relatively low BMI, low levels of preoperative hemoglobin, abnormally high levels of ESR, and simultaneously two sides of TKA in the same surgery. The AUCs of the nomogram were 74.6% (95% CI, 71.35%–77.89%) and 68.8% (95% CI, 63.37%–74.14%) of training and the validation cohorts separately. Furthermore, the calibration curves of both cohorts illustrated the consistency of the nomogram with the actual condition of anemia of patients after TKA. The DCA curve was higher for both treat-none and treat-all, further indicating the relatively high practicality of the model.ConclusionFemale, lower BMI, lower levels of preoperative Hb, simultaneous bilateral TKA, and high levels of preoperative ESR were figured out as five independent risk factors for postoperative anemia (<9.0 g/dL) in patients undergoing TKA. Based on the findings, a practical nomogram was constructed to predict risk of postoperative anemia. The evidence level should be level 4 according to guideline.
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Affiliation(s)
- Yimin Dai
- Peking Union Medical College, Eight-year MD program, Chinese Academy of Medical Sciences, Beijing, China
| | - Chang Han
- Department of Orthopaedic Surgery, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, China
- Peking Union Medical College, Eight-year MD program, Chinese Academy of Medical Sciences, Beijing, China
| | - Xisheng Weng
- Department of Orthopaedic Surgery, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, China
- Correspondence: Xisheng Weng,
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