scholarly journals Efficacy of conservative treatment of perianal abscesses in children and predictors for therapeutic failure

2020 ◽  
Vol 63 (7) ◽  
pp. 272-277 ◽  
Author(s):  
Lars Boenicke ◽  
Johannes Doerner ◽  
Stefan Wirth ◽  
Hubert Zirngibl ◽  
Mike Ralf Langenbach
Keyword(s):  
Conservative Treatment ◽  
Univariate Analysis ◽  
Perianal Abscess ◽  
White Blood Count ◽  
Older Children ◽  
Therapy Failure ◽  
Conservative Group ◽  
Reactive Protein ◽  
Primary Surgery ◽  
Surgery Group

Background: The optimal management of perianal abscess in children is controversial.Purpose: To evaluate the efficiency of conservative treatment of perianal abscess in children and identify parameters that predict therapy failure.Methods: All cases of children younger than 14 years of age with perianal abscesses between 2001–2016 were evaluated.Results: Of the 113 enrolled patients, 64 underwent subsequent surgery for advanced disease (primary surgery group). Conservative treatment was initiated in 49 patients (primary conservative group) but was stopped because of inefficiency in 25 patients, who were referred for surgery after a median 7.03 days (range, 2 to 16 days). The other 24 patients (48%) initially achieved complete remission after conservative treatment, but 10 were readmitted after a median 34 months (range, 3 to 145 months) with recurrent disease. There were no significant differences in permanent success after conservative treatment between infants (10 of 29, 34%) and older children (4 of 20 [20%], <i>P</i>=0.122). Overall, conservative treatment alone was effective in only 14 of 113 patients. Recurrence after surgery occurred in 16 patients (25%) in the primary surgery group and 11 patients (22%) in the primary conservative group (<i>P</i>=0.75). Univariate analysis of predictors for conservative treatment failure revealed inflammatory values (C-reactive protein and white blood count, <i>P</i>=0.017) and abscess size (<i>P</i>=0.001) as significant parameters, whereas multivariate analysis demonstrated that only abscess size (odds ratio, 3.37; <i>P</i>=0.023) was significant.Conclusion: Conservative treatment of perianal abscess is permanently efficient in only a minority of children but is not associated with a higher recurrence rate after subsequent surgery. Abscess size is a predictor for therapy failure.

Quality of life and satisfaction in surgical versus conservative treatment of nonsyndromic children with craniosynostosis

2021 ◽  
pp. 1-6
Author(s):  
Nicholas Sader ◽  
Vivek Mehta ◽  
Shannon Hart ◽  
Lori Bliss ◽  
Hanna Moore ◽  
...  
Keyword(s):  
Quality Of Life ◽  
Conservative Treatment ◽  
Conservative Management ◽  
Univariate Analysis ◽  
Treatment Decision ◽  
Summary Score ◽  
Physical Disorder ◽  
Cross Sectional ◽  
Conservative Group

OBJECTIVE Craniosynostosis represents the second most common reason for referral to pediatric neurosurgery. However, the quality of life and neurodevelopmental impact of leaving this physical disorder uncorrected is poorly understood. METHODS This multicenter cross-sectional study identified previously managed nonsyndromic infants (< 24 months of age) with single-suture craniosynostosis at both pediatric neurosurgical centers in Alberta, Canada. The primary variable of interest was the allocated treatment (surgical vs conservative). The primary outcome was the Pediatric Quality of Life Inventory (PedsQL), a validated measure of quality of life examining physical, emotional, social, and school functioning. Treatment decision satisfaction and the reasons for selected management were quantified and collected directly from caregivers. RESULTS One hundred fourteen children met the inclusion criteria: 78% underwent surgery and 22% had conservative treatment. The most common suture affected was sagittal (54%), followed by metopic (33%), coronal (10%), and lambdoid (3%). Caregivers most commonly opted for surgery because of severe appearance (80%). Seventy-six percent and 72% of the caregivers of children with conservative management did so due to concerns of surgical risks and mild appearance, respectively. There was a statistically significant relationship between both the parents’ (p < 0.001) and the surgeon’s (p = 0.001) impression of a severe head shape and surgical management. Parental satisfaction with their child’s appearance as well as satisfaction with their treatment decision did not differ between management types. Regarding quality of life, on univariate analysis, the conservative group had a statistically higher physical summary score (p = 0.01), psychosocial summary score (p = 0.004), and mean total scale score (p = 0.003) compared to the surgical group. However, after adjusting for severity and age at consult, no significant independent associations between management type and any of the PedsQL summary scores were found. CONCLUSIONS Alberta families have a high number of children with craniosynostosis treated with conservative management. Conservatively managed infants were largely minimally affected patients, particularly those with metopic synostosis. The study found no independent association between management type (surgery vs conservative) and quality of life when adjusted for important patient factors.

A systematic review and meta-analysis on endovascular treatment as an attractive alternative for acute superior mesenteric venous thrombosis

Vascular ◽  
2021 ◽  
pp. 170853812199127
Author(s):  
Lixin Wang ◽  
Enci Wang ◽  
Fei Liu ◽  
Wei Zhang ◽  
Xiaolong Shu ◽  
...  
Keyword(s):  
Systematic Review ◽  
Treatment Group ◽  
Conservative Treatment ◽  
Venous Thrombosis ◽  
Endovascular Treatment ◽  
Meta Analysis ◽  
Statistical Significance ◽  
Published Data ◽  
Mesenteric Venous Thrombosis ◽  
Surgery Group

Objective This systematic review and meta-analysis evaluated the published data on the efficacy and safety of therapies for superior mesenteric venous thrombosis (SMVT), aiming to provide a reference and set of recommendations for clinical treatment. Methods Relevant databases were searched for studies published from 2000 to June 2020 on SMVT treated with conservative treatment, surgical treatment, or endovascular approach. Different treatment types were grouped for analysis and comparison, and odds ratios with corresponding 95% confidence intervals were calculated. The outcomes were pooled using meta-analytic methods and presented by forest plots. Results Eighteen articles, including eight on SMVT patients treated with endovascular therapies, were enrolled. The treatment effectiveness was compared between different groups according to the change of symptoms, the occurrence of complications, and mortality as well. The conservative treatment group had better efficacy compared to the surgery group (89.0% vs. 78.6%, P <0.05), and the one-year survival rate was also higher (94.4% vs. 80.0%, P >0.05), but without statistical significance. As for endovascular treatment, the effectiveness was significantly higher than the surgery group (94.8% vs. 75.2%, P <0.05), and the conservative treatment group as well (93.3% vs. 86.3%, P >0.05), which still requires further research for the lack of statistical significance. Conclusions Present findings indicate that anticoagulation, as conservative treatment should be the preferred clinical option in the clinic for SMVT, due to its better curative effect compared to other treatment options, including lower mortality, fewer complications, and better prognosis. Moreover, endovascular treatment is a feasible and promising approach that is worth in-depth research, for it is less invasive than surgery and has relatively better effectiveness, thus can provide an alternative option for SMVT treatment and may be considered as a reliable method in clinical.

scholarly journals The effects of several postoperative adjuvant therapies for hepatocellular carcinoma patients with microvascular invasion after curative resection: a systematic review and meta-analysis

2021 ◽  
Vol 21 (1) ◽  
Author(s):  
Jiarui Yang ◽  
Hao Liang ◽  
Kunpeng Hu ◽  
Zhiyong Xiong ◽  
Mingbo Cao ◽  
...  
Keyword(s):  
Hepatocellular Carcinoma ◽  
Conservative Treatment ◽  
Curative Resection ◽  
Postoperative Radiotherapy ◽  
Meta Analysis ◽  
Microvascular Invasion ◽  
Cochrane Library ◽  
Conservative Group ◽  
Adjuvant Therapies ◽  
Significant Difference

Abstract Background For patients with hepatocellular carcinoma (HCC) with microvascular invasion (MVI) after curative resection, the effects of various postoperative adjuvant therapies are not summarized in detail, and the comparison between the effects of various adjuvant therapies is still unclear. Thus, we collected existing studies on postoperative adjuvant therapies for patients with HCC with MVI after curative resection and analyzed the effects of various adjuvant therapies. Method We collected all studies on postoperative adjuvant therapy for patients with HCC with MVI after curative resection from PubMed, EMBASE, Cochrane Library and SinoMed ending on May 1, 2019. Overall survival (OS) and disease-free/recurrence-free survival (RFS) between each group were compared in these studies by calculating the pooled hazard ratio (HR) and 95% confidence interval (CI). All statistical analyses were assessed by two authors independently. Result A total of 13 studies were included in this study, including 824 postoperative adjuvant transarterial chemoembolization (pa-TACE) patients, 90 postoperative radiotherapy patients, 57 radiofrequency ablation (RFA)/re-resection patients, 16 sorafenib patients and 886 postoperative conservative treatment patients. The results showed that pa-TACE significantly improved OS and RFS compared with postoperative conservative treatment in patients with HCC with MVI after curative resection (HR: 0.64, 95% CI: 0.55–0.74, p < 0.001; HR: 0.70, 95% CI: 0.62–0.78, p < 0.001, respectively). There was no significant difference in OS between pa-TACE and radiotherapy in patients with HCC with MVI (HR: 1.75, 95% CI: 0.92–3.32, p = 0.087). RFS in patients with HCC with MVI after pa-TACE was worse than that after postoperative adjuvant radiotherapy (HR: 2.29, 95% CI: 1.43–3.65, p < 0.001). The prognosis of pa-TACE and RFA/re-resection in patients with MVI with recurrent HCC had no significant differences (HR: 0.65, 95% CI: 0.09–4.89, p = 0.671). Adjuvant treatments significantly improved the OS and RFS of patients compared with the postoperative conservative group (HR: 0.580, 95% CI: 0.480–0.710, p < 0.001; HR: 0.630, 95% CI: 0.540–0.740, p < 0.001, respectively). Conclusion Compared with postoperative conservative treatment, pa-TACE, postoperative radiotherapy and sorafenib can improve the prognosis of patients with hepatocellular carcinoma with microvascular invasion after curative resection. Postoperative radiotherapy can reduce the recurrence of patients with HCC with MVI after curative resection compared with pa-TACE.

scholarly journals Diminished Systemic Amino Acids Metabolome and Lipid Peroxidation in Ureteropelvic Junction Obstruction (UPJO) Infants Requiring Surgery

2021 ◽  
Vol 10 (7) ◽  
pp. 1467
Author(s):  
Olga Begou ◽  
Antigoni Pavlaki ◽  
Olga Deda ◽  
Alexander Bollenbach ◽  
Kathrin Drabert ◽  
...  
Keyword(s):  
Amino Acids ◽  
Lipid Peroxidation ◽  
Statistical Analysis ◽  
Ureteropelvic Junction Obstruction ◽  
Ureteropelvic Junction ◽  
Obstructive Nephropathy ◽  
Conservative Group ◽  
Surgery Group ◽  
Group A ◽  
Group B

Congenital anomalies of the urinary tract, and particularly of obstructive nephropathy such as ureteropelvic junction obstruction (UPJO) in infants, can later lead to chronic kidney disease and hypertension. Fundamental questions regarding underlying mechanisms remain unanswered. The aim of the present study was to quantitate the systemic amino acids metabolome in 21 UPJO infants requiring surgery (Group A) and 21 UPJO infants under conservative treatment (Group B). Nineteen healthy age-matched infants served as controls (Group C). Serum amino acids involved in several pathways and representative metabolites, including the L-arginine-derived nitric oxide (NO) metabolites nitrite and nitrate and the lipid peroxidation biomarker malondialdehyde (MDA) were measured by gas chromatography–mass spectrometry (GC–MS) methods using their stable-isotope labeled analogs as internal standards after derivatization to their methyl esters N-pentafluoropropionic amides (amino acids) and to their pentafluorobenzyl derivatives (nitrite, nitrate, MDA). The concentrations of the majority of the biomarkers were found to be lower in Group A compared to Group B. Statistical analysis revealed clear differentiation between the examined study groups. Univariate statistical analysis highlighted serum homoarginine (q = 0.006), asymmetric dimethylarginine (q = 0.05) and malondialdehyde (q = 0.022) as potential biomarkers for UPJO infants requiring surgery. Group A also differed from Group B with respect to the diameter of the preoperative anterior–posterior renal pelvis (AP) as well as regarding the number and extent of inverse correlations between AP and the serum concentrations of the biomarkers. In Group A, but not in Group B, the AP diameter strongly correlated with hydroxy-proline (r = −0.746, p = 0.0002) and MDA (r = −0.754, p = 0.002). Our results indicate a diminished amino acids metabolome in the serum of UPJO infants requiring surgery comparing to a conservative group.

scholarly journals Direct Versus Calculated LDL Cholesterol and C-Reactive Protein in Cardiovascular Disease Risk Assessment in the Framingham Offspring Study

2019 ◽  
Vol 65 (9) ◽  
pp. 1102-1114 ◽  
Author(s):  
Hiroaki Ikezaki ◽  
Virginia A Fisher ◽  
Elise Lim ◽  
Masumi Ai ◽  
Ching-Ti Liu ◽  
...  
Keyword(s):  
Risk Factors ◽  
Cardiovascular Disease ◽  
Ldl Cholesterol ◽  
Disease Risk ◽  
Univariate Analysis ◽  
Significant Risk ◽  
C Reactive Protein ◽  
Cox Regression Analysis ◽  
Reactive Protein ◽  
Standard Risk

AbstractBACKGROUNDIncreases in circulating LDL cholesterol (LDL-C) and high-sensitivity C-reactive protein (hsCRP) concentrations are significant risk factors for cardiovascular disease (CVD). We assessed direct LDL-C and hsCRP concentrations compared to standard risk factors in the Framingham Offspring Study.METHODSWe used stored frozen plasma samples (−80 °C) obtained after an overnight fast from 3147 male and female participants (mean age, 58 years) free of CVD at cycle 6 of the Framingham Offspring Study. Overall, 677 participants (21.5%) had a CVD end point over a median of 16.0 years of follow-up. Total cholesterol (TC), triglyceride (TG), HDL cholesterol (HDL-C), direct LDL-C (Denka Seiken and Kyowa Medex methods), and hsCRP (Dade Behring method) concentrations were measured by automated analysis. LDL-C was also calculated by both the Friedewald and Martin methods.RESULTSConsidering all CVD outcomes on univariate analysis, significant factors included standard risk factors (age, hypertension, HDL-C, hypertension treatment, sex, diabetes, smoking, and TC concentration) and nonstandard risk factors (non-HDL-C, direct LDL-C and calculated LDL-C, TG, and hsCRP concentrations). On multivariate analysis, only the Denka Seiken direct LDL-C and the Dade Behring hsCRP were still significant on Cox regression analysis and improved the net risk reclassification index, but with modest effects. Discordance analysis confirmed the benefit of the Denka Seiken direct LDL-C method for prospective hard CVD endpoints (new-onset myocardial infarction, stroke, and/or CVD death).CONCLUSIONSOur data indicate that the Denka Seiken direct LDL-C and Dade Behring hsCRP measurements add significant, but modest, information about CVD risk, compared to standard risk factors and/or calculated LDL-C.

scholarly journals Complications and hospital stay after endoscopic retrieval of drug baggies in body stuffers: an observational prospective study

2021 ◽  
Vol 11 (1) ◽  
Author(s):  
Mahtab Shabani ◽  
Marzieh Kefayati ◽  
Hossein Hassanian-Moghaddam ◽  
Nasim Zamani ◽  
Rebecca McDonald
Keyword(s):  
Polyethylene Glycol ◽  
Gastrointestinal Tract ◽  
Conservative Treatment ◽  
Prospective Study ◽  
Hospital Stay ◽  
Safe Alternative ◽  
Conservative Group ◽  
Observational Prospective Study ◽  
Endoscopic Retrieval ◽  
Upper Gastrointestinal

AbstractBody stuffers routinely receive conservative treatment, i.e. administration of the laxative polyethylene glycol for the passage of ingested drug baggies and observation. Endoscopic baggie removal may offer a safe alternative that could result in shorter hospitalization. We aimed to compare complications, hospital stay, and final outcome in body stuffers assigned to endoscopy versus conservative treatment. This is an observational prospective study of body stuffers presenting to a clinical toxicology center in Tehran (Iran) in 2016–2019, irrespective of the drug ingested. Eligible patients had baggies in their upper gastrointestinal tract and presented without severe poisoning. Patients received either endoscopy or conservative treatment, and clinical outcomes were compared between the groups. A total of 69 patients were enrolled, with a median age of 29 years (range 18–64), among whom 1 was female (2%). Eighteen and 51 patients were endoscopically and conservatively managed, respectively. Drugs most commonly ingested were heroin in endoscopy patients (8/18 cases; 44%) and methamphetamine in the conservative group (28/51 cases; 55%). Endoscopy patients had a shorter hospital stay (median 1.5 vs. 2 days, P = 0.018). In the conservative group, one patient died, and the rate of complications was significantly higher, with more patients experiencing side effects (OR = 1.4, 95% CI = 1.2, 1.7) and requiring intubation (OR = 1.3, 95% CI = 1.1, 1.5). Endoscopic retrieval was associated with fewer complications and shorter hospitalization. Endoscopy may be a safe treatment for body stuffers without severe poisoning on presentation.

Catheterization Does Not Improve Course of Disease in Female Patients with Acute Cystitis or Pyelonephritis: Retrospective Analysis of >300 In-Hospital Treated Patients

2021 ◽  
pp. 1-9
Author(s):  
Mike Wenzel ◽  
Benedikt Hoeh ◽  
Konstatin Goeldner ◽  
Felix Preisser ◽  
Christoph Würnschimmel ◽  
...  
Keyword(s):  
Antibiotic Treatment ◽  
University Hospital ◽  
White Blood Count ◽  
Hospital Treatment ◽  
Acute Cystitis ◽  
Logistic Regression Models ◽  
Female Patients ◽  
Reactive Protein ◽  
Catheter Group ◽  
Multivariable Analyses

<b><i>Purpose:</i></b> Females with in-hospital treatment for acute cystitis (AC) or pyelonephritis may benefit from catheterization at admission. <b><i>Methods:</i></b> All female patients with AC or pyelonephritis requiring in-hospital treatment at University Hospital Frankfurt (2004–2019) were retrospectively analyzed. Logistic regression models were used to predict the catheter value. <b><i>Results:</i></b> Of 310 female patients, 40% harbored AC versus 60% pyelonephritis, of whom 62% and 74% received a catheter at admission: C-reactive protein (CRP) and white blood count (WBC) were significantly elevated in AC and pyelonephritis catheter versus no catheter patients (both <i>p</i> &#x3c; 0.05). Time to CRP and WBC nadir did not differ between the AC catheter versus no catheter group (both <i>p</i> &#x3e; 0.05). Conversely, time to CRP nadir was prolonged in pyelonephritis catheter patients. AC and pyelonephritis catheter patients exhibited a prolonged antibiotic treatment and length of stay (LOS, both <i>p</i> &#x3c; 0.05). In multivariable analyses, CRP &#x3e;5 ng/mL was a predictor for receiving a catheter in all patients. In AC, a positive urine culture and fever predicted, respectively, prolonged LOS or antibiotic treatment (all <i>p</i> &#x3c; 0.05). <b><i>Conclusion:</i></b> Risk factors exist with regard to receiving a catheter and prolonged antibiotic treatment or LOS in females with AC or pyelonephritis. A catheter may not accelerate recovery or WBC nadir.

Childhood meningitis in the conjugate vaccine era: a prospective cohort study

2014 ◽  
Vol 100 (3) ◽  
pp. 292-294 ◽  
Author(s):  
Manish Sadarangani ◽  
Louise Willis ◽  
Seilesh Kadambari ◽  
Stuart Gormley ◽  
Zoe Young ◽  
...  
Keyword(s):  
Bacterial Meningitis ◽  
Group B Streptococcus ◽  
Bacterial Pathogen ◽  
Antibiotic Use ◽  
Viral Meningitis ◽  
Older Children ◽  
C Reactive Protein ◽  
Blood Cell Count ◽  
Reactive Protein ◽  
Group B

Bacterial conjugate vaccines have dramatically changed the epidemiology of childhood meningitis; viral causes are increasingly predominant, but the current UK epidemiology is unknown. This prospective study recruited children under 16 years of age admitted to 3 UK hospitals with suspected meningitis. 70/388 children had meningitis—13 bacterial, 26 viral and 29 with no pathogen identified. Group B Streptococcus was the most common bacterial pathogen. Infants under 3 months of age with bacterial meningitis were more likely to have a reduced Glasgow Coma Score and respiratory distress than those with viral meningitis or other infections. There were no discriminatory clinical features in older children. Cerebrospinal fluid (CSF) white blood cell count and plasma C-reactive protein at all ages, and CSF protein in infants <3 months of age, distinguished between bacterial meningitis and viral meningitis or other infections. Improved diagnosis of non-bacterial meningitis is urgently needed to reduce antibiotic use and hospital stay.

scholarly journals Postoperative use of somatostatin analogs and mortality in patients with acromegaly

2019 ◽  
Vol 180 (1) ◽  
pp. 1-9 ◽  
Author(s):  
Mark R Postma ◽  
Thalijn L C Wolters ◽  
Gerrit van den Berg ◽  
Antonius E van Herwaarden ◽  
Anneke C Muller Kobold ◽  
...  
Keyword(s):  
Disease Control ◽  
Univariate Analysis ◽  
Standard Deviation Score ◽  
Somatostatin Analogs ◽  
Pituitary Surgery ◽  
Postoperative Treatment ◽  
Primary Therapy ◽  
Strong Trend ◽  
Primary Surgery ◽  
Standardized Mortality Ratios

Objective To assess the effect of somatostatin analogs (SSAs) on mortality in relation to disease control of acromegaly after pituitary surgery. Design A retrospective study in two large tertiary referral centers in The Netherlands. Methods Overall, 319 patients with acromegaly in whom pituitary surgery was performed as primary therapy between January 1980 and July 2017 were included. Postoperative treatment with SSA was prescribed to 174 (55%) patients because of persistent or recurrent disease. Disease control at last visit was assessed by IGF1 standard deviation score (SDS). Adequate disease control was defined as IGF1 SDS ≤2. Univariate determinants of mortality and standardized mortality ratios (SMRs) were calculated for groups with and without SSA at any moment postoperatively and at last visit. Results In total, 27 deaths were observed. In univariate analysis, determinants of mortality were inadequate disease control (relative risk (RR): 3.41, P = 0.005), surgery by craniotomy (RR: 3.53, P = 0.013) and glucocorticoid substitution (RR: 2.11, P = 0.047). There was a strong trend toward increased mortality for patients who used SSA (RR: 2.01, P = 0.067) and/or dopamine agonists (RR: 2.54, P = 0.052) at last visit. The SMR of patients with adequate disease control who used SSA at any moment postoperatively (1.07, P = 0.785) and at last visit (1.19; P = 0.600) was not increased. Insufficiently controlled patients had a significantly raised SMR (3.92, P = 0.006). Conclusions Postoperative use of SSA is not associated with increased mortality in patients with acromegaly who attain adequate disease control. In contrast, inadequate disease control, primary surgery by craniotomy and glucocorticoid substitution are associated with increased mortality.

scholarly journals The Prognostic Value of A Preoperative Lymphocyte Count and C-Reactive Protein Ratio In Osteosarcoma

2021 ◽  
Author(s):  
Shu-Yu Ji ◽  
Hai-Jun Tang ◽  
Xiao-Ting Luo ◽  
Wei-Feng Liang ◽  
Xian-Ying Huang ◽  
...  
Keyword(s):  
Multivariate Analysis ◽  
Lymphocyte Count ◽  
Tumor Metastasis ◽  
Univariate Analysis ◽  
White Blood Cells ◽  
C Reactive Protein ◽  
Optimal Cutoff ◽  
Reactive Protein ◽  
Cutoff Values ◽  
Enneking Stage

Abstract Background: Systemic inflammatory response and nutritional status are closely related to tumor development, and both have been recognized as predictors of tumors. Our study investigated the effect on the prognosis of osteosarcoma by analyzing the ratio of lymphocytes to C-reactive protein (LCR) before surgery.Methods: Patients who were diagnosed with osteosarcoma and underwent surgery in the First Affiliated Hospital of Guangxi Medical University from 2012 to 2019 were included in this retrospective study. The albumin (g/L) +5 × total lymphocyte count (PNI), neutrophil/lymphocyte count (NLR), platelet/lymphocyte count (PLR) and platelet × neutrophil/lymphocyte count (SII) were calculated from preoperative peripheral white blood cells, C-reactive protein and serum albumin. The optimal cutoff values of LCR, PNI, NLR, PLR and SII were determined by receiver operating characteristic (ROC) analysis. According to the Optimal cutoff values, LCR, PNI, NLR, PLR and SII were divided into high and low groups. The Kaplan-Meier method was used to compare the overall survival (OS) between the high and low LCR groups. Univariate analysis was used to determine the influence of age, gender, tumor size, Enneking stage and neoadjuvant chemotherapy on the prognosis of osteosarcoma.The independent predictors of OS were determined by Cox multivariate analysis.Results: The optimal cutoff values for LCR, PNI, NLR, PLR and SII were 0.093, 48.4, 1.23, 157.03 and 314.27, respectively. A low preoperative LCR was significantly correlated with tumor metastasis, stage, NLR, PLR and SII. However, a low preoperative PNI was significantly associated with tumor metastasis, stage, and PLR.Kaplan-Meier survival analysis indicated that the postoperative OS was significantly correlated with preoperative LCR and PNI (P < 0.05). Univariate analysis showed that Enneking stage, metastasis and preoperative LCR, PNI, NLR, PLR and SII were important factors affecting OS (P < 0.05). For multivariate analysis, the results revealed that the preoperative LCR (HR, 0.401; 95% CI, 0.199-0.807; P = 0.01) and Enneking stage (HR, 2.717; 95%CI, 1.067-6.919; P = 0.036) is an independent prognostic factor affecting the postoperative OS of osteosarcoma.Conclusions: The high preoperative LCR is strongly associated with longer survival time in patients with osteosarcoma. Enneking stage and preoperative LCR may be important parameters for the prognosis of osteosarcoma.

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