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Knowlton LM, Sauaia A, Moore EE, Knudson MM. Does preperitoneal packing increase venous thromboembolim risk among trauma patients? A prospective multicenter analysis across 17 level I trauma centers. J Trauma Acute Care Surg 2024:01586154-990000000-00774. [PMID: 39058389 DOI: 10.1097/ta.0000000000004416] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/28/2024]
Abstract
INTRODUCTION Pelvic fractures are associated with a high risk of venous thromboembolism (VTE). Among treatment options, including pelvic angioembolization (PA), preperitoneal pelvic packing (PPP), and pelvic open reduction internal fixation (ORIF), PPP has been postulated as a VTE risk factor. We aimed to characterize the risk of VTE among pelvic fracture patients receiving PPP, PA or ORIF. METHODS We used observational data from a 17-site Consortium of Leaders in the Study of Traumatic Thromboembolism (CLOTT) study group, a US level I trauma center collaborative working to identify factors associated with posttraumatic VTE, deep venous thrombosis, pulmonary embolism, or pulmonary thrombosis. The CLOTT criteria included age 18 to 40 years with at least one independent VTE risk factor. We compared outcomes of PPP, PA, and pelvic ORIF to reference of no pelvic intervention. Our primary outcome was VTE. A competing risk analysis was performed. RESULTS Among 1,387 pelvic fracture patients, VTE incidence was 5.6%. The ORIF patients were most likely to develop VTE (24.7%), while VTE incidence for PPP was 9.0% and 2.6% for PA. After multivariate, risk-competing analysis, none of the three treatment interventions for pelvic fractures were significantly associated with VTE. Initiation of VTE prophylaxis in the first 24 hours of admission independently halved VTE incidence (hazard ratio, 0.55; confidence interval, 0.33-0.91). CONCLUSION Pelvic fracture interventions do not appear to be independent risk factors for VTE in our study. Initiation of VTE pharmacoprophylaxis within the first 24 hours of admission remains critical to significantly decreasing VTE formation in this high-risk population. LEVEL OF EVIDENCE Therapeutic Study; Level III.
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Affiliation(s)
- Lisa Marie Knowlton
- From the Section of Trauma, Surgical Critical Care and Acute Care Surgery, Department of Surgery (L.M.K.), Stanford University School of Medicine; Stanford-Surgery Policy Improvement Research and Education Center (S-SPIRE) (L.M.K.), Stanford, California; Department of Surgery (A.S., E.E.M.), University of Colorado Denver, Aurora; Ernest E Moore Shock Trauma Center (A.S., E.E.M.), Denver Health, Denver, Colorado; and Department of Surgery (M.M.K.), University of California San Francisco, San Francisco, California
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Fan X, Yang Z, Liu Y, Wei Z, Zhao C, Pang C, Wang Z, Yang H. Analysis of High-Risk Factors and Construction of a Nomogram Predictive Model for Deep Venous Thrombosis in Pelvic and Acetabular Fracture Patients Treated Conservatively. Cureus 2024; 16:e56091. [PMID: 38618471 PMCID: PMC11011238 DOI: 10.7759/cureus.56091] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/13/2024] [Indexed: 04/16/2024] Open
Abstract
PURPOSE This study aims to develop a predictive nomogram model to assist physicians in making evidence-based decisions and potentially reduce the incidence of deep venous thrombosis (DVT). METHODS We conducted a retrospective study, including patients admitted to the hospital from January 2014 to January 2022 with a closed, single pelvic or acetabular fracture. Comprehensive data were collected for each patient, encompassing demographics, injury characteristics, comorbidities, and results from laboratory tests and lower extremity ultrasounds. Potential risk factors were identified by univariate and multivariate logistic regression analyses. The predictive model was constructed and then internally validated. Calibration accuracy was assessed using a calibration slope and the Hosmer-Lemeshow goodness-of-fit test. The discrimination of the nomogram model was evaluated using the C-statistic. RESULTS Out of 232 individuals who underwent conservative treatment, 57 (24.6%) were classified into the DVT group and 175 (75.4%) into the non-DVT group based on lower extremity ultrasound findings. Predominantly, patients were aged between 41 and 65 in both groups. Body mass index (BMI) comparison showed that 54.29% (95/175) of the non-DVT group fell within the healthy weight range, while 45.61% (26/57) in the DVT group were overweight. Notably, the proportion of obesity in the DVT group was more than double that in the non-DVT group, indicating a higher DVT risk with increasing BMI (P=0.0215). Lower red blood cell (RBC) counts were observed in DVT patients compared to non-DVT ones (P<0.001). A similar pattern emerged for D-dimer, a marker for blood clot formation and dissolution, with significant differences noted (P=0.029). Multivariable analysis identified age, BMI, associated organ injury (AOI), American Society of Anesthesiologists score, hemoglobin (HGB), RBC, and D-dimer as candidate predictors. Significant variables included age (OR, 3.04; 95% CI, 1.76-5.26; P<0.001), BMI (OR, 1.97; 95% CI, 1.22-3.18; P=0.006), AOI (OR, 2.05; 95% CI, 1.07-3.95; P=0.031), and HGB (HR, 0.59; 95% CI, 0.39-0.88; P=0.010). The discrimination was 0.787, with a corrected c-index of 0.753. Calibration plots and the Hosmer-Lemeshow test indicated a good fit (P=0.7729). Decision curve analysis revealed a superior net clinical benefit when the predicted probability threshold ranged from 0.05 to 0.95. CONCLUSIONS We developed a nomogram predictive model, and it could act as a practical tool in clinical workflows to assist physicians in making favorable medical decisions, which potentially reduces the incidence of DVT in those patients with pelvic and acetabular fractures treated conservatively.
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Affiliation(s)
- Xiaobo Fan
- Department of Orthopedic Surgery, The First Hospital of Handan, Handan, CHN
| | - Zongyou Yang
- Department of Orthopedic Surgery, The Third Hospital of Hebei Medical University, Shijiazhuang, CHN
| | - Yuan Liu
- Department of Orthopedic Surgery, The First Hospital of Handan, Handan, CHN
| | - Zhikun Wei
- Department of Orthopedic Surgery, The First Hospital of Handan, Handan, CHN
| | - Chenyang Zhao
- Department of Orthopedic Surgery, The First Hospital of Handan, Handan, CHN
| | - Chaojian Pang
- Department of Orthopedic Surgery, The First Hospital of Handan, Handan, CHN
| | - Zhihong Wang
- Department of Orthopedic Surgery, The Third Hospital of Hebei Medical University, Shijiazhuang, CHN
| | - Hongcheng Yang
- Department of Orthopedic Surgery, The Third Hospital of Hebei Medical University, Shijiazhuang, CHN
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Mahmoud SS, Esser M, Jain A. Thromboembolic events in pelvic and acetabulum fractures: a systematic review of the current literature on incidence, screening, and thromboprophylaxis. INTERNATIONAL ORTHOPAEDICS 2022; 46:1707-1720. [PMID: 35543748 DOI: 10.1007/s00264-022-05431-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/09/2022] [Accepted: 05/03/2022] [Indexed: 11/30/2022]
Abstract
PURPOSE Rates of venous thromboembolic events (VTEs) as high as 41% deep vein thrombosis (DVT) were reported in association with pelvic and acetabular fractures (PAFs). There is no clear consensus on VTE prophylaxis for PAFs. Extracting evidence-based guidelines is key to overcome this challenging complication. The aims of this review are (A) to highlight the incidence of VTEs in PAFs, (B) to examine the screening and prophylaxis methods available in the current literature, and (C) direct future creation of a best practice protocol to reduce the risk of VTE in PAFs. METHODS We performed a systematic search of Medline, EMBASE databases, and the Cochrane library. MESH terms were used to identify studies pertinent to VTE in PAFs, including incidence, prophylaxis, and screening. RESULTS In total, 28 studies were identified and grouped into four categories including incidence, screening, prophylaxis, and the use of inferior vena cava filters (IVCFs). Incidence of VTE ranged from 0.21 to 41% for DVT and 0 to 21.7% for PE. Nine studies screened 1360 patients using different imaging modalities. Ten articles, 2836 patients, examined different thromboprophylaxis protocols. Two out of three studies investigating the use of IVCF showed significant reduction of the rates of PE. CONCLUSION Incidence of VTE in PAF varies significantly with different protocols. The current literature shows that screening is still controversial. The combination of chemical and mechanical prophylaxis starting at 24 hours from the injury would provide the best protection. Guidelines were extracted; however, higher level multicenter studies are still required to guide future protocols.
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Affiliation(s)
- Samer Ss Mahmoud
- The Alfred Hospital, 55 Commercial Road, Melbourne, VIC, 3000, Australia.
| | - Max Esser
- Department of Orthopaedic Surgery, The Alfred Hospital, Melbourne, Australia.,Associate Professor, Department of Surgery, Monash University, Melbourne, Australia
| | - Arvind Jain
- Department of Orthopaedic Surgery, The Alfred Hospital, Melbourne, Australia.,Associate Professor, Department of Surgery, Monash University, Melbourne, Australia.,Melbourne Bone and Joint Clinic, 27 Erin Street Richmond, Melbourne, VIC, 3121, Australia
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Yan Y, Zhang B, Yang J, Zhang Y, Zhang L, Wang D, Gao J, He L, Wang P, Zhuang Y, Zhang K, Liu P. The Perioperative Deep Vein Thrombosis in Lower Extremities in Patients With Pelvic Fracture: A Case-Control Study. Clin Appl Thromb Hemost 2021; 27:10760296211033024. [PMID: 34308660 PMCID: PMC8317243 DOI: 10.1177/10760296211033024] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023] Open
Abstract
This study was to investigate the incidences of DVT in lower extremities after pelvic fracture before and after operation, and explore the risk factors. The records of patients with pelvic fractures receiving operation were collected. The patients were examined by preoperative and postoperative ultrasonography, and divided into thrombosis group and non-thrombosis group according to the preoperative and postoperative ultrasonographic results. Totally, 128 patients with pelvic fractures were included in this study. The incidence of DVT was 21.09% preoperatively, and increased to 35.16% postoperatively. Peripheral DVT constituted 92.60% and 86.67% of preoperative and postoperative DVTs, respectively. The results showed that age (odds ratio [OR] = 1.07; 95% CI: 1.01-1.12; P = 0.013), fracture classification (OR = 3.80; 95% CI: 1.31-11.00; P = 0.014) and D-dimer at admission (OR = 1.04; 95% CI: 1.00-1.08; P = 0.029) were independent risk factors of preoperative DVT, and female (OR = 0.21; 95% CI: 0.06-0.81; P = 0.023) was independent protective factor. In addition, age (OR, 1.06; 95% CI, 1.00-1.11; P = 0.026), operative blood transfusion (OR, 1.34; 95% CI, 1.05-1.72; P = 0.020) were independent risk factors of postoperative DVT. In conclusion, the DVT prevention strategy has not changed the high incidence of DVT in pelvic fractures, and orthopedic surgeons should pay more attention to perioperative DVT. When a male or patient with Tile-C type pelvic fracture is at admission, it is should be reminded that the screening the DVT in lower extremities. In addition, the surgeon should stanch bleeding completely, to reduce the blood transfusion and formation of DVT.
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Affiliation(s)
- Yun Yan
- Department of Orthopedic Trauma, Honghui Hospital, 12480Xi'an Jiaotong University, Xi'an, Shaanxi Province, People's Republic of China
| | - Baobao Zhang
- Department of Orthopedic Trauma, Honghui Hospital, 12480Xi'an Jiaotong University, Xi'an, Shaanxi Province, People's Republic of China
| | - Jie Yang
- Department of Orthopedic Trauma, Honghui Hospital, 12480Xi'an Jiaotong University, Xi'an, Shaanxi Province, People's Republic of China
| | - Yan Zhang
- Department of Orthopedic Trauma, Honghui Hospital, 12480Xi'an Jiaotong University, Xi'an, Shaanxi Province, People's Republic of China
| | - Lei Zhang
- Department of Orthopedic Trauma, Honghui Hospital, 12480Xi'an Jiaotong University, Xi'an, Shaanxi Province, People's Republic of China
| | - Dan Wang
- Department of Orthopedic Trauma, Honghui Hospital, 12480Xi'an Jiaotong University, Xi'an, Shaanxi Province, People's Republic of China
| | - Jing Gao
- Department of Orthopedic Trauma, Honghui Hospital, 12480Xi'an Jiaotong University, Xi'an, Shaanxi Province, People's Republic of China
| | - Lianzhi He
- Department of Orthopedic Trauma, Honghui Hospital, 12480Xi'an Jiaotong University, Xi'an, Shaanxi Province, People's Republic of China
| | - Pengfei Wang
- Department of Orthopedic Trauma, Honghui Hospital, 12480Xi'an Jiaotong University, Xi'an, Shaanxi Province, People's Republic of China
| | - Yan Zhuang
- Department of Orthopedic Trauma, Honghui Hospital, 12480Xi'an Jiaotong University, Xi'an, Shaanxi Province, People's Republic of China
| | - Kun Zhang
- Department of Orthopedic Trauma, Honghui Hospital, 12480Xi'an Jiaotong University, Xi'an, Shaanxi Province, People's Republic of China
| | - Ping Liu
- Department of Orthopedic Trauma, Honghui Hospital, 12480Xi'an Jiaotong University, Xi'an, Shaanxi Province, People's Republic of China
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