The cluster of differentiation 40 (CD40) is activated by the CD40 ligand (CD40L) in a variety of diverse cells types and regulates important processes associated with kidney disease. The CD40/CD40L signaling cascade has been comprehensively studied for its roles in immune functions, whereas the signaling axis involved in local kidney injury has only drawn attention in recent years. Clinical studies have revealed that circulating levels of soluble CD40L (sCD40L) are associated with renal function in the setting of kidney disease. Levels of the circulating CD40 receptor (sCD40), sCD40L, and local CD40 expression are tightly related to renal injury in different types of kidney disease. Additionally, various kidney cell types have been identified as non-professional antigen-presenting cells (APCs) that express CD40 on the cell membrane, which contributes to the interactions between immune cells and local kidney cells during the development of kidney injury. Although the potential for adverse CD40 signaling in kidney cells has been reported in several studies, a summary of those studies focusing on the role of CD40 signaling in the development of kidney disease is lacking. In this review, we describe the outcomes of recent studies and summarize the potential therapeutic methods for kidney disease which target CD40.
Objective/Hypothesis Early and objective prediction of complications in head and neck reconstructive surgery could decrease morbidity and prolonged hospital stays but unfortunately most complications are not identified until their effect is fully realized. There are limited data regarding the association of platelet levels and post‐operative complications. Post‐operative thrombocytosis (POTCT) is proposed as a possible indicator for complications following free‐flap reconstruction. Study Design Retrospective review. Methods A multisite retrospective chart review of patients undergoing free tissue transfer between 2013 and 2018 was undertaken. POTCT was recorded and data normalized between institutions. Data were compared between groups using t‐tests and logistic regression (P < .05). A lag‐1 difference was used to compare the rate of change in platelet values. Results A total of 398 patients were included. POTCT and a rate of change of 30 K between POD5 and POD6 was significantly associated with the presence of post‐operative complication (P = .007). Additionally, lag‐1 difference demonstrated a significant association of change in daily platelet counts and complication rates. Conclusions Isolated POTCT may be an early predictor of complications in HNC patients undergoing free‐flap reconstruction. Level of Evidence 4 Laryngoscope, 131:1542–1547, 2021
Background The Naples Prognostic Score (NPS) has proven efficacy as a prognostic tool for postoperative outcomes in patients undergoing surgery for neoplastic diseases. However, the role of the NPS score in inflammatory surgical diseases has not yet been studied. We aimed to evaluate NPS predictive value in patients undergoing colectomy due to diverticulitis. Methods A single-center retrospective study including all patients who underwent colectomy for diverticulitis between July 2008 and March 2020 was established. Patients' demographics, clinical and surgical data were recorded and analyzed. Patients were scored on a scale of 0-4 and received one point for preoperation albumin <4 g/dL, cholesterol ≤180 mg/dL, Neutrophil to Lymphocyte Ratio >2.96, and Lymphocyte to Monocyte ≤4.44. Results Out of 3292 patients admitted because of diverticulitis during the study period, 159 patients (4.83%) underwent colectomy. Of those patients, fifty patients were eligible for NPS analysis. 35 patients (70%) were females with a mean age of 62.81 ± 14.51. Thirty-two (64%) patients underwent an elective operation. The postoperative complications rate was 36% (N = 18). The mortality rate was 6% (N = 3). ROC showed a strong association between the NPS and mortality (area = .88, P = .03) and wound infection (area = .78, P = .01). In patients who underwent urgent surgery, there was an association between NPS and re-operation ( P = .04). There was a correlation between NPS and Clavien-Dindo score (Spearman’s coefficient = .284, P = .045). Conclusions/Discussion The Naples prognostic score is an effective tool for predicting postoperative complications in patients undergoing colectomy for diverticulitis. It may assist the surgeon in deciding on extent of the operation for diverticulitis and in elective cases also on timing.
Background Constraints on resources require healthcare systems to implement alternative and innovative means for delivering care. The COVID-19 pandemic amplified this issue throughout the world, leading to shortages of ventilators, hospital beds, and healthcare personnel. We report the results of an Acute Care at Home Program (ACHP) response to COVID-19, providing in-home hospital-level care to patients with mild symptoms, preserving in-hospital beds for more serious illness. Methods Patients with COVID-19 were selected for ACHP after undergoing risk stratification for severe disease, including oxygen evaluation, time course of illness, and evaluation of comorbidities. Patients admitted to ACH met inpatient criteria, required oxygen supplementation of ≤4 liters, and received insurance approval. Services were provided consistent with best practice of inpatient care, including 24/7 provider availability via TeleMedicine, bedside care provided by paramedics and nurses, respiratory therapy, radiology and laboratory services, pulse oximetry monitoring, and administration of medications. Protocols existed for patient transfer to hospital in the event of clinical deterioration. Results Our initial cohort included 62 patients enrolled October 1, 2020 – May 31, 2021. Of these, 57 patients were discharged successfully from ACHP. Patients presented with initial oxygen requirements of 0-4 liters. Average length-of-stay in ACHP was 5.4 days. Five patients required hospitalization after enrollment in ACHP; one subsequently expired, two were discharged home, one returned to ACHP after inpatient hospitalization, and one remains hospitalized. One additional patient that was successfully discharged home from ACHP was later readmitted and expired in a subsequent hospitalization. The patients that expired had significant immunocompromising conditions that may have contributed to their outcomes. Conclusion ACHP can provide care equivalent to hospitalization for select COVID-19 patients. Immunocompromised hosts with COVID-19 may represent a subset of patients in which in-house hospitalization must be carefully considered, even with mild oxygen requirements. Health systems should consider ACHP as a substitution for hospitalization for COVID-19 patients with mild symptoms. Disclosures All Authors: No reported disclosures
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