Development and validation of platelet-to-albumin ratio as a clinical predictor for diffuse large B-cell lymphoma

Preoperative Platelet/Albumin Ratio Predicts Morbidity and Mortality in Patients with Retroperitoneal Liposarcoma

Retroperitoneal sarcomas are a rare and heterogeneous group of malignant neoplasms. The most frequent sarcoma in this location is liposarcoma; complete resection is the gold standard of treatment. To achieve this, a multivisceral resection is often necessary to reduce local recurrence. However, this approach must be balanced by the potential for added morbidity. This study aims to evaluate the platelet-albumin ratio as a predictor of morbidity risk. A retrospective review of the medical records of patients with retroperitoneal liposarcomas operated with curative intent at our institution between January 2010 and December 2020 was performed. The platelet-albumin ratio was calculated, and a cutoff point of 78.86 was determined to predict morbidity by receiver operating characteristic (ROC) curve analysis, divided into high-risk and low-risk groups with a sensitivity of 83% and a specificity of 71.6%. These risk groups were contrasted with the different demographic and evolution variables. One hundred thirty-six patients were analyzed, and 91 met the inclusion criteria; age at presentation was 52.55 years (SD 12.96), tumor size was 29.31 (SD 12.43), and 40.7% underwent multivisceral resections, identifying a difference between the presence of a high platelet/albumin ratio and the appearance of complications at 30 days with an OR of 8 (CI 1.0052 to 63.6698, p 0.0494). The platelet-albumin ratio is an easy-to-use test that could help clarify the group of patients who require preoperative prehabilitation to reduce significant complications.

Predictive role of PAR and LAR in refractory suppurative meningitis in infants

BACKGROUND

Meningitis can be caused by a variety of pathogenic microorganisms, which can lead to higher mortality and disability rates. However, the clinical manifestations of suppurative meningitis are often atypical in infants and young children, which makes early clinical diagnosis difficult.PAR and LAR are considered as a novel inflammatory biomarker and have been applied in tumors, IgA nephropathy, sepsis.

OBJECTIVE

To investigate the application of platelet/albumin (PAR) and lactate dehydrogenase/albumin (LAR) in refractory suppurative meningitis in infants.

METHODS

The relevant clinical data of 107 children with suppurative meningitis were retrospectively analyzed, and were divided into common group (82 cases) and refractory group (25 cases) according to the severity of the disease according to the relevant clinical consensus. The relevant clinical data and laboratory examination of the children in the two groups were compared. The diagnostic value of PAR and LAR in children with refractory suppurative meningitis was analyzed and multivariate Logistic regression analysis was performed.

RESULT

The PAR of children with suppurative meningitis in refractory group was lower than that in common group (P < 0.05), while LAR was higher than that in common group (P < 0.05). Meanwhile, multivariate Logistic regression analysis showed that LAR and cerebrospinal fluid glucose ≤ 1.5mmo/L were risk factors for poor prognosis (OR > 1, P < 0.05). PAR was a protective factor (OR < 1, P < 0.05).

CONCLUSION

PAR and LAR can be used for early diagnosis of refractory suppurative meningitis in children as protective and risk factors, respectively.

Prognostic utility of preoperative platelet-to-albumin ratio in surgically treated oral cavity cancer patients

BACKGROUND

This study aimed to explore the prognostic utility of the preoperative platelet-to-albumin ratio (PAR) among patients with oral cavity squamous cell carcinoma (OSCC).

METHODS

We retrospectively reviewed of 355 patients with surgically-treated OSCC between 2008 and 2017. The optimal PAR cutoff for patient stratification was determined through X-tile analysis. Prognostic variables for disease-free survival (DFS) and overall survival (OS) were identified using Cox proportional hazards models. We developed a PAR-based nomogram to predict personalized OS.

RESULTS

We determined the optimal PAR cutoff to be 7.45. A PAR of ≥7.45 was an independent negative prognostic factor for DFS and OS (hazard ratio = 1.748 and 2.386; p = 0.005 and p < 0.001, respectively). The developed nomogram demonstrates the practical utility of PAR and accurately predicts personalized OS.

CONCLUSIONS

The preoperative PAR is a promising and cost-effective prognostic biomarker for patients with surgically-treated OSCC; the PAR-based nanogram accurately predicts OS for such patients.

Platelet-to-albumin ratio is a potential biomarker for predicting diabetic nephropathy in patients with type 2 diabetes

Aim: To evaluate whether platelet-to-albumin ratio (PAR) can predict diabetic nephropathy (DN) in type 2 diabetes mellitus (T2DM). Materials & methods: A total of 140 patients with T2DM and 40 healthy individuals were enrolled retrospectively. T2DM patients were divided into three groups based on the urinary albumin-to-creatinine ratio, PAR was compared and receiver operating characteristic curve was constructed to evaluate the predictive value of PAR in DN in T2DM. Results: There was a significant increase of PAR in DN among T2DM patients and PAR was positively correlated with serum creatinine, retinol-conjugated protein and β2-microglobulin. Moreover, PAR was a risk factor for DN in T2DM patients, which predicted DN in T2DM with high sensitivity and specificity. Conclusion: PAR can be a potential candidate to predict DN in T2DM.