Mark P de Caestecker
No abstract text is available yet for this article.
October 19, 2020: American Journal of Physiology. Renal Physiology
Mingzhu Jiang, Mi Bai, Juan Lei, Yifan Xie, Shuang Xu, Zhanjun Jia, Aihua Zhang
Acute kidney injury (AKI) has been widely recognized as an important risk factor for the occurrence and development of chronic kidney disease (CKD). Even milder AKI has adverse consequences and could progress to renal fibrosis, which is the ultimate common pathway for various terminal kidney diseases. Thus, it is urgent to develop a strategy to hinder the transition from AKI to CKD. Some molecular mechanisms of AKI to CKD transition have been revealed, such as nephron loss, cell cycle arrest, persistent inflammation, endothelial injury with vascular rarefaction and epigenetic changes...
October 19, 2020: American Journal of Physiology. Renal Physiology
Charles W Stratton, Yi-Wei Tang, Hongzhou Lu
The 2019 novel coronavirus disease (COVID-19) now is considered a global public health emergency. One of the unprecedented challenges is defining optimal therapy for those patients with severe pneumonia and systemic manifestations of COVID-19. Optimal therapy should be largely based on the pathogenesis of infections caused by this novel severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). Since the onset of COVID-19, there have been many prepublications and publications reviewing the therapy of COVID-19 as well as many prepublications and publications reviewing the pathogenesis of SARS-CoV-2...
October 19, 2020: Journal of Medical Virology
Reda Abuelatta, Lamiaa Khedr, Ibraheem AlHarbi, Hesham A Naeim
Background: Haemolytic anaemia is a complication of paravalvular leak (PVL). The correlation between the size of the leak and the severity of haemolysis is unclear. Small leaks can cause severe haemolysis, whereas significant leaks may cause no haemolysis. Case summary: We report the case of a 40-year-old male who underwent mechanical mitral and aortic valve replacement 20 years ago. In the last 3 years, the procedure was repeated three times due to infective endocarditis...
June 2020: European Heart Journal. Case Reports
Artsiom Klimko, Georgiana A Toma, Nona Bejinariu, Silviu-Mihai Secareanu, Iuliana Andreiana
We report a patient with IgM-predominant type I cryoglobulinemia (CG), who presented to our nephrology department with acute kidney injury. He was previously diagnosed with sensorimotor neuropathy, which was in remission with maintenance dose of corticosteroids. Upon admission, there were ulcerated, necrotic cutaneous lesions localized to the inner aspect of the thighs bilaterally. Further workup revealed a mucosa-associated lymphoid tissue lymphoma, causing type I CG. Screening tests for hepatitis viruses were negative at this time...
September 14, 2020: Curēus
Shin-Yi Tsai, Chon-Fu Lio, Shou-Chuan Shih, Cheng-Jui Lin, Yu-Tien Chen, Chia-Meng Yu, Fang-Ju Sun, Chien-Feng Kuo, Xiaofeng Jia
Background: Acute kidney injury (AKI) is one of the most severe complications of burn injury. AKI with severe burn injury causes high mortality. This study aims to investigate the incidence of and predisposing factors for AKI in burn patients. Methods: This is a single-center, retrospective, descriptive criterion standard study conducted from June 27, 2015, to March 8, 2016. We used Kidney Disease Improving Global Outcomes criteria to define and select patients with AKI...
2020: PeerJ
Nasam Alfraji, Steven Douedi, Mohammad Hossain
Introduction: Inguinal bladder hernia (IBH) is a rare condition representing less than 5% of all inguinal hernias. Most cases occur in elderly overweight men. Patients may present with variable symptoms such as urinary symptoms, inguinal swelling, or pain; however, most of them are asymptomatic and only less than 7% are diagnosed pre-operatively. Different radiological studies can be used if IBH suspected preoperatively including ultrasound, computed tomography scan; however, cystography is the most sensitive test for diagnosis of IBH...
November 2020: Annals of Medicine and Surgery
Vinka Mikulić, Dunja Rogić, Ivanka Mikulić, Kristina Ljubić, Ana Ćuk, Vajdana Tomić, Helena Radić Mišković
Introduction: Urine neutrophil gelatinase-associated lipocalin (uNGAL) is a biochemical marker significant for early prediction of acute kidney injury in adults. However, it has not been examined sufficiently among the infant population, particularly newborns in terms of reference values. The aim of our study was to determine the concentration of uNGAL in healthy term newborns and to determine if there was a difference in uNGAL concentration according to gender, postnatal age and birth weight...
October 15, 2020: Biochemia Medica: časopis Hrvatskoga Društva Medicinskih Biokemičara
Kimia Vakili, Mobina Fathi, Aiyoub Pezeshgi, Ashraf Mohamadkhani, Mohammadreza Hajiesmaeili, Mostafa Rezaei-Tavirani, Fatemeh Sayehmiri
The coronavirus disease 2019 (COVID-19) is a novel coronavirus infection that has rapidly spread worldwide, causing a pandemic. The main objective of this meta-analysis was to evaluate the prevalence of the most common symptoms and complications of COVID-19. All relevant studies on the clinical complications of COVID-19 have been identified by searching two web databases (i.e., PubMed and Scopus). Afterward, the relevant data were extracted from the selected studies, and then analyzed by the STATA (Version 14) random-effects model...
September 30, 2020: Reviews in Cardiovascular Medicine
Marta Lepore, Elena Crespo, Edoardo Melilli, Josep M Cruzado, Alba Torija, Josep M Grinyó, Oriol Bestard
Differential diagnosis between Polyoma virus associated-nephropathy (PVAN) and T-cell mediated rejection (TCMR) might be challenging, as respective treatment approaches are totally opposite. Here we report the illustrative case of a kidney transplant recipient with PVAN who developed a persistent acute TCMR after full abrogation of viral infection through immunosuppression modulation. By simultaneous functional immune monitoring of BKV and donor-specific T-cell responses using IFN-γELISPOT assay, we retrospectively demonstrated the predominant effector mechanisms responsible of allograft injury and thus, potential guidance for treatment decision-making...
October 17, 2020: Transplant Infectious Disease: An Official Journal of the Transplantation Society
Xubin Zheng, Ziwei Bao, Lina Davies Forsman, Yi Hu, Weihua Ren, Yazhou Gao, Xuliang Li, Sven Hoffner, Judith Bruchfeld, Jan-Willem Alffenaar
BACKGROUND: Prospective studies correlating pharmacokinetic/pharmacodynamic (PK/PD) indices to clinical responses are urgently needed. This study aimed to find clinically relevant PK/PD thresholds that can be used for treatment optimization. METHODS: Pharmacokinetic sampling and minimum inhibitory concentration (MIC) measurements were performed for culture-confirmed tuberculosis patients. Classification and regression tree (CART) analysis was applied to obtain PK and/or PD thresholds for first-line drugs predictive of two-week/month culture conversion, treatment outcome determined at 6-8 months, acute kidney injury (AKI) and drug-induced liver injury (DILI)...
October 18, 2020: Clinical Infectious Diseases
Yi Wang, Kaixiang Liu, Xisheng Xie, Bin Song
As lifespans lengthen, age-related diseases such as cardiovascular disease and diabetes are becoming more prevalent. Correspondingly, the use of contrast agents for medical imaging is also becoming more common, and there is increasing awareness of contrast-associated acute kidney injury (CA-AKI). There is no specific treatment for CA-AKI, and clinicians currently focus on prevention, interventions that alter its pathogenesis, and identification of risk factors. Although the incidence of CA-AKI is low in the general population, the risk of CA-AKI can reach 20% to 30% in patients with multiple risk factors...
October 8, 2020: Clinical Imaging
Arsal Acarbaş, Nuri Serdar
OBJECTIVE: The relation of preoperative malnutrition with perioperative complications has not been well studied in elderly patients undergoing spinal surgery (SS). Therefore, we aimed to compare the value of prognostic nutritional index (PNI), controlling nutritional status (CONUT) score, and geriatric nutritional risk index (GNRI) for the prediction of perioperative adverse medical events (PAME) in elderly patients undergoing SS. METHODS: Data of 454 patients aged ≥ 65 years undergoing SS were reviewed...
October 14, 2020: World Neurosurgery
Lianxia Guo, Tianpeng Zhang, Fei Wang, Xun Chen, Haiman Xu, Cui Zhou, Min Chen, Fangjun Yu, Shuai Wang, Deguang Yang, Baojian Wu
BACKGROUND AND PURPOSE: Acute kidney injury (AKI) is a common and critical illness, resulting in severe morbidity and a high mortality. There is a considerable interest in identifying novel molecular targets for management of AKI. Here, we investigated the potential role of the circadian clock components Rev-erbα/β in regulation of ferroptosis and AKI. EXPERIMENTAL APPROACH: AKI model was established by treating mice with folic acid (FA). Regulatory effects of Rev-erbα/β on AKI and ferroptosis were determined using single gene knockout (Rev-erbα-/- and Rev-erbβ-/- ) mice, incomplete double knockout (icDKO, Rev-erbα+/- Rev-erbβ-/- ) mice, and cells with erastin-induced ferroptosis...
October 17, 2020: British Journal of Pharmacology
Carlo Alberto Ricciardi, Luigi Gnudi
Acute kidney injury (AKI) and chronic kidney disease (CKD) represent an important challenge for healthcare providers. The identification of new biomarkers/pharmacological targets for kidney disease is required for the development of more effective therapies. Several studies have shown the importance of the endoplasmic reticulum (ER) stress in the pathophysiology of AKI and CKD. ER is a cellular organelle devolved to protein biosynthesis and maturation, and cellular detoxification processes which are activated in response to an insult...
October 16, 2020: Journal of Cellular and Molecular Medicine
Or Golan, Roger Dyer, Graham Sinclair, Tom Blydt-Hansen
BACKGROUND: Oxythiamine is a uremic toxin that acts as an antimetabolite to thiamine and has been associated with cases of Shoshin beriberi syndrome in adults. We sought to identify whether surgical stress and ischemia/reperfusion injury may precipitate functional thiamine deficiency in children peritransplant. METHODS: We retrospectively analyzed a cohort of pediatric kidney transplant recipients. Oxythiamine levels were measured in pre-transplant serum samples by mass spectrometry and tested for association with severity of lactic acidosis in the first 24 h post-transplant...
October 16, 2020: Pediatric Nephrology
Katrien De Vusser, Dries Martens, Evelyne Lerut, Dirk Kuypers, Tim S Nawrot, Maarten Naesens
BACKGROUND: Replicative senescence is associated with telomere shortening. In native kidneys, obtained prior to transplantation, we recently described and validated a significant association between shorter intrarenal telomere length and renal arteriosclerosis. After renal transplantation, animal experiments suggested that ischaemia-reperfusion injury, acute rejection episodes and cytomegalovirus disease associate with accelerated renal allograft senescence. The association between post-transplant events and replicative senescence has not yet been evaluated in a human setting...
October 17, 2020: Nephrology, Dialysis, Transplantation
Zhaodong Guo, Jin Liu, Li Lei, Yan Xue, Liwei Liu, Hao Huang, Shiqun Chen, Yong Liu, Yingzhong Lin, Jianhong Tao, Qingbo Xu, Keng Wu, Lingyu Zhang, Ji-Yan Chen
OBJECTIVE: Several studies evaluating the preventive effect of N-acetylcysteine (NAC) on contrast-associated acute kidney injury (CA-AKI) among patients with ST segment elevation myocardial infarction (STEMI) undergoing primary percutaneous coronary intervention (PPCI) have suggested inconsistent results and that a systematic review and meta-analysis should be performed. DESIGN: Systematic review and meta-analysis. DATA SOURCES: PubMed, MEDLINE, EMBASE, ClinicalTrials...
October 16, 2020: BMJ Open
D Diab, F Haziza, S Russel, P de Lentdecker, E Lanzac, M Debauchez, H Benamer
BACKGROUND: In addition to medical treatment, half of the patients with infective endocarditis (IE) receive surgical treatment. Despite clear recommendations on the indications and the operating delays, the decision remains difficult and must take into consideration several factors. METHODS: A retrospective study was performed at Foch Hospital. All patients operated for IE between 2005 and 2018 were included. Patient characteristics, indications and operating delays, as well as intrahospital mortality, were noted...
October 13, 2020: Annales de Cardiologie et D'angéiologie
Taylor N Haight, Elisabeth B Marsh
BACKGROUND: Delirium is common after stroke and associated with poor functional outcomes and mortality. It is unknown whether delirium is a modifiable risk factor, or simply an indicator of prognosis, but in order to intervene successfully, those at greatest risk must be identified early. We created a tool to predict the development of delirium in patients admitted to the intensive care unit for stroke, focusing on factors present on hospital admission. METHODS: Charts of 102 patients admitted to the ICU or IMC after ischemic stroke or intracranial hemorrhage with symptom onset within 72 hours were reviewed...
November 2020: Journal of Stroke and Cerebrovascular Diseases: the Official Journal of National Stroke Association
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