scholarly journals Factors Associated With Decreased Accuracy of Modified Thrombolysis in Cerebral Infarct Scoring Among Neurointerventionalists During Thrombectomy

Stroke ◽  
2021 ◽  
Author(s):  
Elliot Pressman ◽  
Muhammad Waqas ◽  
Victoria Sands ◽  
Adnan Siddiqui ◽  
Kenneth Snyder ◽  
...  
Keyword(s):  
Multivariate Analysis ◽  
Odds Ratio ◽  
Retrospective Cohort ◽  
Cerebral Infarct ◽  
Occipital Region ◽  
Endovascular Thrombectomy ◽  
Factors Associated ◽  
Operator Error ◽  
Increased Risk ◽  
Number Of Passes

Background and Purpose: The modified thrombolysis in cerebral infarct (mTICI) score is used to grade angiographic outcome after endovascular thrombectomy. We sought to identify factors that decrease the accuracy of intraprocedural mTICI. Methods: We performed a 2-center retrospective cohort study comparing operator (n=6) mTICI scores to consensus scores from blinded adjudicators. Groups were also assessed by dichotomizing mTICI scores to 0–2a versus 2b–3. Results: One hundred thirty endovascular thrombectomy procedures were included. Operators and adjudicators had a pairwise agreement in 96 cases (73.8%). Krippendorff α was 0.712. Multivariate analysis showed endovascular thrombectomy overnight (odds ratio [OR]=3.84 [95% CI, 1.22–12.1]), lacking frontal (OR, 5.66 [95 CI, 1.36–23.6]), or occipital (OR, 7.18 [95 CI, 2.12–24.3]) region reperfusion, and higher operator mTICI scores (OR, 2.16 [95 CI, 1.16–4.01]) were predictive of incorrectly scoring mTICI intraprocedurally. With dichotomized mTICI scores, increasing number of passes was associated with increased risk of operator error (OR, 1.93 [95 CI, 1.22–3.05]). Conclusions: In our study, mTICI disagreement between operator and adjudicators was observed in 26.2% of cases. Interventions that took place between 22:30 and 4:00, featured frontal or occipital region nonperfusion, higher operator mTICI scores, and increased number of passes had higher odds of intraprocedural mTICI inaccuracy.

scholarly journals Association of abnormal placental perfusion with the risk of male hypospadias: a hospital-based retrospective cohort study

2020 ◽  
Vol 20 (1) ◽  
Author(s):  
Chen Zhu ◽  
Bin Zhang ◽  
Ting Peng ◽  
Ming-Qing Li ◽  
Yun-Yun Ren ◽  
...  
Keyword(s):  
Multivariate Analysis ◽  
Cohort Study ◽  
Confidence Interval ◽  
Odds Ratio ◽  
Retrospective Cohort ◽  
Cumulative Risk ◽  
Second Trimester ◽  
Singleton Pregnancy ◽  
Placental Perfusion ◽  
Increased Risk

Abstract Background The effect and extent of abnormal placental perfusion (APP) on the risk of male hypospadias are poorly understood. We compared the prevalence of male hypospadias in the offspring of women with APP and quantify the extent of the APP effect on the anomaly. Methods A hospital-based retrospective analysis of births from 2012 to 2016 was conducted in 2018. Women of singleton pregnancy and male infants born to them were included (N = 21,447). A multivariate analysis was performed to compare the prevalence of male hypospadias in infants exposed to APP with those that were not exposed to APP. Results Compared with the infants of women without APP, infants of women with APP showed an increased risk of male hypospadias (odds ratio, 2.40; 95% confidence interval, 1.09–5.29). The male hypospadias cumulative risk increased with the severity of APP. Infants exposed to severe APP had a significantly higher risk of male hypospadias than those without APP exposure (9.2 versus 1.7 per 1000 infants, P < 0.001). A path analysis indicated that 28.18–46.61% of the risk of hypospadias may be attributed to the effect of APP. Conclusions Male hypospadias risk was associated with APP and increased with APP severity, as measured in the second trimester. APP had an important role in the development of the anomaly.

scholarly journals Fetal CHD and perinatal outcomes

2020 ◽  
Vol 30 (5) ◽  
pp. 686-691
Author(s):  
Christina J. Ge ◽  
Amanda C. Mahle ◽  
Irina Burd ◽  
Eric B. Jelin ◽  
Priya Sekar ◽  
...  
Keyword(s):  
Cohort Study ◽  
Preterm Delivery ◽  
Odds Ratio ◽  
Retrospective Cohort ◽  
Mode Of Delivery ◽  
Perinatal Outcomes ◽  
Fold Increase ◽  
Cesarean Sections ◽  
Increased Risk ◽  
Gestational Age At Delivery

AbstractObjective:To evaluate delivery management and outcomes in fetuses prenatally diagnosed with CHD.Study design:A retrospective cohort study was conducted on 6194 fetuses (born between 2013 and 2016), comparing prenatally diagnosed with CHD (170) to those with non-cardiac (234) and no anomalies (5790). Primary outcomes included the incidence of preterm delivery and mode of delivery.Results:Gestational age at delivery was significantly lower between the CHD and non-anomalous cohorts (38.6 and 39.1 weeks, respectively). Neonates with CHD had a significantly lower birth weights (p < 0.001). There was an approximately 1.5-fold increase in the rate of primary cesarean sections associated with prenatally diagnosed CHD with an odds ratio of 1.49 (95% CI 1.06–2.10).Conclusions:Our study provides additional evidence that the prenatal diagnosis of CHD is associated with a lower birth weight, preterm delivery, and with an increased risk of delivery by primary cesarean section.

Readmission after Adult Uvulopalatopharyngoplasty: A Population-Based Inpatient Cohort Study in Taiwan

2018 ◽  
Vol 160 (3) ◽  
pp. 559-566 ◽  
Author(s):  
Ying-Shuo Hsu ◽  
Wei-Chung Hsu ◽  
Jenq-Yuh Ko ◽  
Te-Huei Yeh ◽  
Chia-Hsuan Lee ◽  
...  
Keyword(s):  
Odds Ratio ◽  
International Classification Of Diseases ◽  
Population Based ◽  
Factors Associated ◽  
Risk Of Bleeding ◽  
Increased Risk ◽  
Classification Of Diseases ◽  
Insurance Database ◽  
Population Based Survey

Objective To investigate readmissions among adult inpatients who underwent uvulopalatopharyngoplasty (UPPP) in Taiwan. Design Population-based survey. Setting Retrospective study with the National Health Insurance Database. Methods All cases of inpatient adult UPPP (age >20 years) from 1997 to 2012 were identified through International Classification of Diseases, Ninth Revision, Clinical Modification. Factors associated with readmission within 30 days after surgery were analyzed. Results A total of 38,839 adults with UPPP were identified (mean age, 39.3 years; men, 73.7%). The incidence of UPPP was 14.6 per 100 000 adults, which increased from 1997 to 2012 (6.7 to 16.7 per 100,000, Ptrend < .001). The rates of readmission for any reason, readmission for bleeding, reoperation for bleeding, and 30-day mortality were 4.2%, 1.7%, 1.0%, and 0.14%, respectively. Young age increased the risk of reoperation for bleeding, and old age increased the risk of readmission for any reason and mortality. Men had an increased risk of readmission and reoperation. Hypertension was associated with an increased risk of readmission for any reason (odds ratio [OR], 1.29; 95% CI, 1.10-1.51), bleeding-related readmission (OR, 1.89; 95% CI, 1.52-2.36), and reoperation (OR, 2.47; 95% CI, 1.84-3.30). Concurrent hypopharyngeal surgery was associated with an increased risk of readmission for any reason (OR, 1.34; 95% CI, 1.07-1.66) and bleeding-related readmission (OR, 1.69; 95% CI, 1.25-2.27). Finally, the use of steroids was associated with an increased risk of bleeding-related readmission and reoperation. Conclusions The incidence of adult UPPP increased from 1997 to 2012 in Taiwan. Age, sex, comorbidity, concurrent hypopharyngeal surgery, and drug administration were associated with readmission after inpatient UPPP.

scholarly journals Bortezomib administration is a risk factor associated with the development of tumor lysis syndrome in male patients with multiple myeloma: A retrospective study

2020 ◽  
Author(s):  
Masahiro Kondo ◽  
Yuji Hotta ◽  
Karen Yamauchi ◽  
Akimasa Sanagawa ◽  
Hirokazu Komatsu ◽  
...  
Keyword(s):  
Risk Factors ◽  
Multiple Myeloma ◽  
Odds Ratio ◽  
Tumor Lysis Syndrome ◽  
Low Risk ◽  
Novel Therapies ◽  
Tumor Lysis ◽  
Factors Associated ◽  
Increased Risk ◽  
Male Patients

Abstract Background: Novel agents such as proteasome inhibitors have been developed for several years to treat multiple myeloma. Although multiple myeloma is a low-risk disease for developing tumor lysis syndrome (TLS), treatment with these novel therapies might increase TLS risk. Previous studies, mostly case reports or case series, have reported bortezomib-induced TLS in patients with multiple myeloma. This study aimed to investigate risk factors associated with TLS development in multiple myeloma patients.Methods: We retrospectively investigated incidences of laboratory and clinical TLS (LTLS and CTLS, respectively) in patients who received primary therapy for treatment-naive, symptomatic multiple myeloma between May 2007 and January 2018. We used multivariate logistic regression analyses to evaluate the associations between TLS and several parameters previously reported to be associated with increased risk.Results: This study included 210 patients with multiple myeloma, of which ten (4.8%) had LTLS and seven (3.3%) had CTLS. The characteristics of the administered anticancer or prophylactic antihyperuricemic agents were similar between patients with and without TLS. Multivariate analyses revealed that TLS was most strongly associated with bortezomib-containing therapy (odds ratio = 3.40, P = 0.069), followed by male sex (odds ratio = 2.29, P = 0.153). In a subgroup analysis focused on men, treatment with bortezomib-containing therapy was significantly associated with increased risk of TLS (odds ratio = 8.51, P = 0.046).Conclusion: In the present study, we investigated the risk factors associated with TLS development in 210 multiple myeloma patients, which, to the best of our knowledge, is the largest number of patients reported to date. Furthermore, this study is the first to evaluate TLS risk factors in MM by adjusting for the effects of potential confounding factors in patients’ backgrounds. Consequently, we found that bortezomib-containing therapy increases the risk of TLS in male patients with multiple myeloma. TLS risk should be evaluated further in low-risk diseases such as multiple myeloma, since a significant number of novel therapies can achieve high antitumor responses.

The Effect of Sarcopenia on Outcomes in Geriatric Blunt Trauma

2017 ◽  
Vol 83 (11) ◽  
pp. 1203-1208 ◽  
Author(s):  
Mahdi Malekpour ◽  
Kelly Bridgham ◽  
Kathryn Jaap ◽  
Ryan Erwin ◽  
Kenneth Widom ◽  
...  
Keyword(s):  
Multivariate Analysis ◽  
Confidence Interval ◽  
Blunt Trauma ◽  
Odds Ratio ◽  
Lumbar Vertebra ◽  
Objective Measure ◽  
Trauma Patients ◽  
The Third ◽  
Increased Risk ◽  
Axial Ct

Elderly patients are at a higher risk of morbidity and mortality after trauma, which is reflected through higher frailty indices. Data collection using existing frailty indices is often not possible because of brain injury, dementia, or inability to communicate with the patient. Sarcopenia is a reliable objective measure for frailty that can be readily assessed in CT imaging. In this study, we aimed to evaluate the effect of sarcopenia on the outcomes of geriatric blunt trauma patients. Left psoas area (LPA) was measured at the level of the third lumbar vertebra on the axial CT images. LPA was normalized for height (LPA mm2/m2) and after stratification by gender, sarcopenia was defined as LPA measurements in the lowest quartile. A total of 1175 patients consisting of 597 males and 578 females were studied. LPAs below 242.6 mm2/m2 in males and below 187.8 mm2/m2 in females were considered to be sarcopenic. We found sarcopenia in 149 males and 145 females. In multivariate analysis, sarcopenia was associated with a higher risk of in-hospital mortality (odds ratio [OR]: 1.61, 95% confidence interval [CI]: 1.01–2.56) and a higher risk of discharge to less favorable destinations (OR: 1.42, 95% CI: 1.05–1.97). Lastly, sarcopenic patients had an increased risk of prolonged hospitalization (hazard ratio: 1.21, 95% CI: 1.04–1.40).

scholarly journals The Predictive Factors of Responsiveness to Proton Pump Inhibitor Therapy for Eosinophilic Esophagitis

2019 ◽  
Vol 1 (1) ◽  
pp. 220-230
Author(s):  
Atsushi Hashimoto ◽  
Takashi Sugawa ◽  
Narika Iwakura ◽  
Risa Uemura ◽  
Akinari Sawada ◽  
...  
Keyword(s):  
Multivariate Analysis ◽  
Proton Pump Inhibitor ◽  
Proton Pump ◽  
Predictive Factors ◽  
Eosinophilic Esophagitis ◽  
Reflux Esophagitis ◽  
Odds Ratio ◽  
Proton Pump Inhibitor Therapy ◽  
High Power Field ◽  
Factors Associated

Approximately half of patients with eosinophilic esophagitis (EoE) respond clinically and histologically to proton pump inhibitor (PPI) therapy. Although recent guidelines suggest that PPI-responders and non-responders were included in EoE, it is important to investigate the predictive factors of PPI- responsiveness. This study aimed to determine the rate of PPI- responders and compare the characteristics of PPI-responders and non-responders. Fifty-nine patients with esophageal eosinophilia received PPI therapy for eight weeks, and its efficacy was assessed. PPI- responsiveness was diagnosed based on the relief in symptoms and reduction of intraepithelial eosinophilic infiltration to <15 per high-power field (hpf) after PPI therapy. Multivariate analysis was performed to identify factors associated with PPI-responders. Of the 59 patients, 41 (69.5%) were diagnosed with PPI-responders. The rate of gastrointestinal (GI) screening in the indications for endoscopy was significantly higher in patients with PPI- responders than in those with non-responders. On multivariate analysis, GI screening and presence of reflux esophagitis was associated with an increased odds ratio (OR) of PPI-responders, but presence of rings with a decreased OR of PPI-responders. Presence of reflux esophagitis and absence of rings on endoscopy especially during GI screening might be significant predictive factors for PPI response in patients with EoE.

Adverse Events and Factors Associated with Potentially Avoidable Use of General Anesthesia in Cesarean Deliveries

2019 ◽  
Vol 130 (6) ◽  
pp. 912-922 ◽  
Author(s):  
Jean Guglielminotti ◽  
Ruth Landau ◽  
Guohua Li
Keyword(s):  
Adverse Events ◽  
General Anesthesia ◽  
Cesarean Delivery ◽  
Odds Ratio ◽  
Adjusted Odds Ratio ◽  
Neuraxial Anesthesia ◽  
General Anesthetics ◽  
Factors Associated ◽  
Increased Risk ◽  
Anesthesia Complications

Abstract Editor’s Perspective What We Already Know about This Topic What This Article Tells Us That Is New Background Compared with neuraxial anesthesia, general anesthesia for cesarean delivery is associated with increased risk of maternal adverse events. Reducing avoidable general anesthetics for cesarean delivery may improve safety of obstetric anesthesia care. This study examined adverse events, trends, and factors associated with potentially avoidable general anesthetics for cesarean delivery. Methods This retrospective study analyzed cesarean delivery cases without a recorded indication for general anesthesia or contraindication to neuraxial anesthesia in New York State hospitals, 2003 to 2014. Adverse events included anesthesia complications (systemic, neuraxial-related, and drug-related), surgical site infection, venous thromboembolism, and the composite of death or cardiac arrest. Anesthesia complications were defined as severe if associated with death, organ failure, or prolonged hospital stay. Results During the study period, 466,014 cesarean deliveries without a recorded indication for general anesthesia or contraindication to neuraxial anesthesia were analyzed; 26,431 were completed with general anesthesia (5.7%). The proportion of avoidable general anesthetics decreased from 5.6% in 2003 to 2004 to 4.8% in 2013 to 2014 (14% reduction; P &lt; 0.001). Avoidable general anesthetics were associated with significantly increased risk of anesthesia complications (adjusted odds ratio, 1.6; 95% CI, 1.4 to 1.9), severe complications (adjusted odds ratio, 2.9; 95% CI, 1.6 to 5.2), surgical site infection (adjusted odds ratio, 1.7; 95% CI, 1.5 to 2.1), and venous thromboembolism (adjusted odds ratio, 1.9; 95% CI, 1.3 to 3.0), but not of death or cardiac arrest. Labor neuraxial analgesia rate was one of the most actionable hospital-level factors associated with avoidable general anesthetics. Relative to hospitals with a rate greater than or equal to 75%, the adjusted odds ratio of avoidable general anesthetics increased to 1.3 (95% CI, 1.2 to 1.4), 1.6 (95% CI, 1.5 to 1.7), and 3.2 (95% CI, 3.0 to 3.5) as the rate decreased to 50 to 74.9%, 25 to 49.9%, and less than 25%, respectively. Conclusions Compared with neuraxial anesthesia, avoidable general anesthetics are associated with increased risk of adverse maternal outcomes.

Association Between Postoperative Dexmedetomidine Use and Arrhythmias in Infants After Cardiac Surgery

2019 ◽  
Vol 10 (4) ◽  
pp. 440-445 ◽  
Author(s):  
Laura A. Ortmann ◽  
Meera Keshary ◽  
Karl Stessy Bisselou ◽  
Shelby Kutty ◽  
Jeremy T. Affolter
Keyword(s):  
Congenital Heart Disease ◽  
Heart Disease ◽  
Odds Ratio ◽  
Retrospective Cohort ◽  
Congenital Heart ◽  
Atrioventricular Canal ◽  
Need For Treatment ◽  
Increased Risk ◽  
High Risk Infants ◽  
Complete Atrioventricular

Background: Dexmedetomidine has been suggested as an arrhythmia prophylactic agent after surgery for congenital heart disease due to its heart rate lowering effect, though studies are conflicting. We sought to study the effect of dexmedetomidine in infants that are at highest risk for arrhythmias. Methods: Retrospective cohort study of infants less than six months of age undergoing cardiopulmonary bypass for congenital heart disease. The arrhythmia incidence in the first 48 hours after surgery in infants receiving dexmedetomidine for sedation was compared to those that did not receive dexmedetomidine. Results: A total of 309 patients were included, 206 patients who did not receive dexmedetomidine and 103 patients who did. The incidence of tachyarrhythmias was similar between the non-DEX group and the DEX group (19% vs 15%, P = .34). When adjusted for baseline differences, the non-DEX group did not have an increased risk of postoperative tachyarrhythmias (odds ratio [OR]: 1.4, 95% confidence interval [CI]: 0.5-3.8). The non-DEX group had an increased need for treatment for arrhythmias (18% vs 8%, P = .012). The three lesions with baseline higher risk for arrhythmias (tetralogy of Fallot, transposition of the great arteries, and complete atrioventricular canal) had an increased incidence of tachyarrhythmias in the non-DEX group (34% vs 6%, P = .027). This risk was not significant in multivariate analysis (OR: 2.5, 95% CI: 0.4-15.5). Conclusions: High-risk infants had decreased incidence of tachyarrhythmias when receiving dexmedetomidine, though this was not significant after accounting for baseline differences between groups.

Stent-Associated Flow Remodeling Causes Further Occlusion of Incompletely Coiled Aneurysms

Neurosurgery ◽  
2011 ◽  
Vol 69 (3) ◽  
pp. 598-604 ◽  
Author(s):  
Matthew F. Lawson ◽  
William C. Newman ◽  
Yueh-Yun Chi ◽  
J. D. Mocco ◽  
Brian L. Hoh
Keyword(s):  
Multivariate Analysis ◽  
Confidence Interval ◽  
Packing Density ◽  
Odds Ratio ◽  
Senior Author ◽  
Neck Size ◽  
Increased Risk ◽  
Coil Occlusion ◽  
Stented Group

Abstract BACKGROUND: Incomplete coil occlusion is associated with increased risk of aneurysm recurrence. We hypothesize that intracranial stents can cause flow remodeling, which promotes further occlusion of an incompletely coiled aneurysm. OBJECTIVE: To study our hypothesis by comparing the follow-up angiographic outcomes of stented and nonstented incompletely coiled aneurysms. METHODS: From January 2006 through December 2009, the senior author performed 324 initial coilings of previously untreated aneurysms, 145 of which were Raymond classification 2 and 3. Follow-up angiographic studies were available for 109 of these aneurysms (75%). Angiographic outcomes for stented vs nonstented incompletely coiled aneurysms were compared. A multivariate analysis was performed to identify factors related to the progression of occlusion at follow-up, with adjustment for aneurysm location, size, neck size, Hunt-Hess grade, stent use, initial Raymond score, packing density, age, sex, and medical comorbidities. RESULTS: Of the 109 aneurysms, 37 were stented and 72 were not stented. With a median follow-up time of 15.4 months, 33 stented aneurysms (89%) progressed to complete occlusion compared with 29 nonstented aneurysms (40%). Recanalization rates were lower in the stented group (8.1%) compared with the nonstented group (37.5%; P &lt; .001). On multivariate analysis, stent use (odds ratio, 18.5; 95% confidence interval, 4.3-76.9) and packing density (odds ratio, 1.093; 95% confidence interval, 1.021-1.170) were significant predictors of the progression of occlusion. Aneurysm size was negatively correlated with the progression of occlusion (odds ratio, 0.844; 95% confidence interval, 0.724-0.983). CONCLUSION: Stent-assisted coiling causes progression of occlusion, possibly by a flow remodeling effect. The odds of progression of occlusion of stent-coiled aneurysms were 18.5 times that of nonstented aneurysms.

Risk Factors Associated with Hospital-Acquired Venous Thromboembolism in the Pediatric Intensive Care Unit

Blood ◽  
2015 ◽  
Vol 126 (23) ◽  
pp. 2313-2313
Author(s):  
Minh Q Tran ◽  
Steven L Shein ◽  
Hong Li ◽  
Sanjay P Ahuja
Keyword(s):  
Risk Factors ◽  
Intensive Care Unit ◽  
Multivariate Analysis ◽  
Intensive Care ◽  
Venous Thromboembolism ◽  
Odds Ratio ◽  
Pediatric Intensive Care ◽  
Primary Diagnosis ◽  
Factors Associated ◽  
Hospital Acquired

Abstract Introduction: Venous thromboembolism (VTE) in Pediatric Intensive Care Unit (PICU) patients is associated with central venous catheter (CVC) use. However, risk factors for VTE development in PICU patients with CVCs are not well established. The impact of Hospital-Acquired VTE in the PICU on clinical outcomes needs to be studied in large multicenter databases to identify subjects that may benefit from screening and/or prophylaxis. Method: With IRB approval, the Virtual Pediatric Systems, LLC database was interrogated for children < 18yo admitted between 01/2009-09/2014 who had PICU length of stay (LOS) <1 yr and a CVC present at some point during PICU care. The exact timing of VTE diagnosis was unavailable in the database, so VTE-PICU was defined as an "active" VTE that was not "present at admission". VTE-prior was defined as a VTE that was "resolved," "ongoing" or "present on admission." Variables extracted from the database included demographics, primary diagnosis category, and Pediatric Index of Mortality (PIM2) score. PICU LOS was divided into quintiles. Chi squared and Wilcoxon rank-sum were used to identify variables associated with outcomes, which were then included in multivariate models. Our primary outcome was diagnosis of VTE-PICU and our secondary outcome was PICU mortality. Children with VTE-prior were included in the mortality analyses, but not the VTE-PICU analyses. Data shown as median (IQR) and OR (95% CI). Results: Among 143,524 subjects, the median age was 2.8 (0.47-10.31) years and 55% were male. Almost half (44%) of the subjects were post-operative. The median PIM2 score was -4.11. VTE-prior was observed in 2498 patients (1.78%) and VTE-PICU in 1741 (1.2%). The incidence of VTE-PICU were 852 (1.7%) in patients ≤ 1 year old, 560 (0.9%) in patients 1-12 years old, and 303 (1.1%) in patients ≥ 13 years old (p < 0.0001). In univariate analysis, variables associated with a diagnosis of VTE-PICU were post-operative state, four LOS quintiles (3-7, 7-14, and 14-21 and >21 days) and several primary diagnosis categories: cardiovascular, gastrointestinal, infectious, neurologic, oncologic, genetic, and orthopedic. Multivariate analysis showed increased risk of VTE with cardiovascular diagnosis, infectious disease diagnosis, and LOS > 3 d (Table 1). The odds increased with increasing LOS: 7 d < LOS ≤ 14 d (5.18 [4.27-6.29]), 14 d < LOS ≤ 21 d (7.96 [6.43-9.82]), and LOS > 21 d (20.73 [17.29-24.87]). Mortality rates were 7.1% (VTE-none), 7.2% (VTE-prior), and 10.1% (VTE-PICU) (p < 0.0001). In the multivariate model, VTE-PICU (1.25 [1.05-1.49]) and VTE-prior (1.18 [1.002-1.39]) were associated with death vs. VTE-none. PIM2 score, trauma, and several primary diagnosis categories were also independently associated with death (Table 2). Conclusion: This large, multicenter database study identified several variables that are independently associated with diagnosis of VTE during PICU care of critically ill children with a CVC. Children with primary cardiovascular or infectious diseases, and those with PICU LOS >3 days may represent specific populations that may benefit from VTE screening and/or prophylaxis. Hospital-Acquired VTE in PICU was independently associated with death in our database. Additional analysis of this database, including adding specific diagnoses and secondary diagnoses, may further refine risk factors for Hospital-Acquired VTE among PICU patients with a CVC. Table 1. Multivariate analysis of Factors Associated with VTE-PICU. Factors Odds Ratio 95% Confidence Interval 3d < LOS ≤ 7d vs LOS ≤ 3d 2.19 1.78-2.69 7d < LOS ≤ 14d vs LOS ≤ 3d 5.18 4.27-6.29 14d < LOS ≤ 21d vs LOS ≤ 3d 7.95 6.44-9.82 LOS > 21d vs LOS ≤ 3d 20.73 17.29-24.87 Age 1.00 0.99-1.01 Post-operative 0.89 0.80-0.99 PIM2 Score 1.47 1.01-1.07 Primary Diagnosis: Cardiovascular 1.50 1.31-1.64 Primary Diagnosis: Infectious 1.50 1.27-1.77 Primary Diagnosis: Genetics 0.32 0.13-0.78 Table 2. Multivariate Analysis of Factors Associated with PICU Mortality. Factors Odds Ratio 95% ConfidenceInterval VTE-prior 1.18 1.00-1.39 VTE-PICU 1.25 1.05-1.49 PIM2 Score 2.08 2.05-2.11 Trauma 1.92 1.77-2.07 Post-operative 0.45 0.42-0.47 Primary Diagnosis: Genetic 2.07 1.63-2.63 Primary Diagnosis: Immunologic 2.45 1.51-3.95 Primary Diagnosis: Hematologic 1.63 1.30-2.06 Primary Diagnosis: Metabolic 0.71 0.58-0.87 Primary Diagnosis: Infectious 1.47 1.36-1.59 Primary Diagnosis: Neurologic 1.37 1.27-1.47 Disclosures No relevant conflicts of interest to declare.

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