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Kidney Medicine Jul 2024About 25%-40% of patients with inflammatory bowel disease (IBD) may have extraintestinal manifestations, mainly involving the liver, skin, and joints. Kidney involvement...
RATIONALE & OBJECTIVE
About 25%-40% of patients with inflammatory bowel disease (IBD) may have extraintestinal manifestations, mainly involving the liver, skin, and joints. Kidney involvement in patients with IBD has been reported, but there are no estimates of its prevalence in population-based studies in the United States. We compared the frequency of acute kidney injury (AKI) among hospitalizations with IBD with that among hospitalizations with collagen vascular diseases and hospitalizations with neither condition.
STUDY DESIGN
Retrospective, population-based cohort study.
SETTING & PARTICIPANTS
Healthcare Cost and Utilization Project-Nationwide Inpatient Sample database.
OUTCOMES
AKI and AKI requiring dialysis.
ANALYTICAL APPROACH
Regression models were used to compare the occurrence of AKI among groups. Inverse probability of treatment weighting was applied to balance groups on covariates.
RESULTS
The final sample comprised 5,735,804 hospitalizations, including 57,121 with IBD, 159,930 with collagen vascular diseases, and 5,518,753 with neither IBD nor collagen vascular diseases. AKI was observed in 13%, 15%, and 12.2% of hospitalizations with IBD, collagen vascular diseases, and the general population, respectively. When adjusting for demographic, hospital, and clinical characteristics using inverse probability of treatment weighting, hospitalizations with IBD had higher odds of being diagnosed with AKI than both those with collagen vascular diseases (odds ratio [OR], 1.32; 95% confidence interval [CI], 1.27-1.38) and the general population (OR, 1.27; 95% CI, 1.23-1.31) and also had higher odds of being diagnosed with AKI requiring dialysis than those with collagen vascular diseases (OR, 1.59; 95% CI, 1.31-1.94) or than the general population (OR, 1.45; 95% CI, 1.25-1.68).
LIMITATIONS
Cross-sectional analysis, underreporting of International Classification of Diseases codes, and analyses relevant to in-hospital stays only.
CONCLUSIONS
The prevalence and risk of AKI among hospitalizations with IBD is greater than that of hospitalizations with collagen vascular diseases and the general population. Coexisting kidney disease should be considered among patients with a known diagnosis of IBD.
PubMed: 38947772
DOI: 10.1016/j.xkme.2024.100836 -
Cureus May 2024Naphthalene is an aromatic hydrocarbon found in mothballs, deodorizers, or insecticides. Naphthalene poisoning is not commonly seen in the pediatric age group due to its...
Naphthalene is an aromatic hydrocarbon found in mothballs, deodorizers, or insecticides. Naphthalene poisoning is not commonly seen in the pediatric age group due to its pungent odor and taste, water insolubility, and poor absorption from the gastrointestinal tract (GIT). This case report describes a five-year-old boy who experienced accidental naphthalene mothball ingestion resulting in intravascular hemolysis and acute kidney injury (AKI). Naphthalene exposure can cause severe complications, especially in children. The clinical presentation included fever, abdominal pain, vomiting, decreased urine output, and hematuria. The laboratory findings revealed hemolytic anemia, elevated serum creatinine, and proteinuria. The child received supportive treatment including intravenous fluids, packed red blood cell transfusions, and hemodialysis for AKI. Early diagnosis and intervention are crucial for a favorable outcome. This case highlights the importance of considering naphthalene poisoning in the differential diagnosis of children with hemolysis and AKI.
PubMed: 38947700
DOI: 10.7759/cureus.61291 -
Cureus May 2024Adrenal haemorrhage, although a rare entity in the neonatal period, is a known complication of birth asphyxia. Adrenal haemorrhage progresses differently depending on...
Adrenal haemorrhage, although a rare entity in the neonatal period, is a known complication of birth asphyxia. Adrenal haemorrhage progresses differently depending on the type and extent of the glands involved. Adrenal haemorrhage can cause persistent jaundice, fever, dehydration, scrotal swelling, abdominal wall discolouration, septicemia, and a shock-like state. Here, we report the case of a four-day-old male infant who presented with jaundice, poor feeding, and hypernatremic dehydration. The patient developed acute kidney injury and, eventually, renal failure due to adrenal haemorrhage. He had an abdominal lump with deranged renal parameters along with hyperbilirubinemia. Abdominal ultrasonography and contrast computed tomography scan showed left suprarenal enlargement with evidence of adrenal haemorrhage. The patient was managed well with ventilatory support and peritoneal dialysis and discharged successfully. A subsequent follow-up showed complete resolution of the adrenal haemorrhage. Single ultrasonography is a good modality for diagnosis but not sufficient, so serial ultrasonography at subsequent follow-up is a must.
PubMed: 38947616
DOI: 10.7759/cureus.61265 -
Clinical Case Reports Jul 2024The commonest renal involvement after bee stings is acute kidney injury due to rhabdomyolysis. Nephrotic syndrome combined with AKI is unusual complication of...
The commonest renal involvement after bee stings is acute kidney injury due to rhabdomyolysis. Nephrotic syndrome combined with AKI is unusual complication of Hymenoptera stings. We diagnosed a minimal change disease and six-year follow up relapses.
PubMed: 38947546
DOI: 10.1002/ccr3.9118 -
Heliyon Jun 2024Acute kidney injury (AKI) frequently emerges as a consequential non-neurological sequel to traumatic brain injury (TBI), significantly contributing to heightened...
Acute kidney injury (AKI) frequently emerges as a consequential non-neurological sequel to traumatic brain injury (TBI), significantly contributing to heightened mortality risks. The intricate interplay of oxidative stress in the pathophysiology of TBI underscores the centrality of the Keap1-Nrf2/HO-1 signaling pathway as a pivotal regulator in this context. This study endeavors to elucidate the involvement of the Keap1-Nrf2/HO-1 pathway in modulating oxidative stress in AKI subsequent to TBI and concurrently explore the therapeutic efficacy of dimethyl fumarate (DMF). A rat model of TBI was established via the Feeney free-fall method, incorporating interventions with varying concentrations of DMF. Assessment of renal function ensued through measurements of serum creatinine and neutrophil gelatinase-associated lipocalin. Morphological evaluation of renal pathology was conducted employing quantitative hematoxylin and eosin staining. The inflammatory response was scrutinized by quantifying interleukin (IL)-6, IL-1β, and tumor necrosis factor-α levels. Oxidative stress levels were discerned through quantification of malondialdehyde and superoxide dismutase. The apoptotic cascade was examined via the terminal deoxynucleotidyl transferase dUTP deletion labeling assay. Western blotting provided insights into the expression dynamics of proteins affiliated with the Keap1-Nrf2/HO-1 pathway and apoptosis. The findings revealed severe kidney injury, heightened oxidative stress, inflammation, and apoptosis in the traumatic brain injury model. Treatment with DMF effectively reversed these changes, alleviating oxidative stress by activating the Keap1-Nrf2/HO-1 signaling pathway, ultimately conferring protection against AKI. Activating Keap1-Nrf2/HO-1 signaling pathway may be a potential therapeutic strategy for attenuating oxidative stress-induced AKI after TBI.
PubMed: 38947486
DOI: 10.1016/j.heliyon.2024.e32377 -
JCEM Case Reports Jul 2024Diazoxide is a commonly used first-line medication for the treatment of hyperinsulinism. Hyperglycemia may occur with diazoxide use. However, hyperglycemic hyperosmolar...
Diazoxide is a commonly used first-line medication for the treatment of hyperinsulinism. Hyperglycemia may occur with diazoxide use. However, hyperglycemic hyperosmolar state (HHS) secondary to diazoxide is an exceedingly rare but potentially life-threatening adverse effect. We present a case of a 2-year-old with Kabuki syndrome and hyperinsulinism on diazoxide. She presented with 4 days of fever, respiratory symptoms, and lethargy. She was influenza B positive. Initial workup indicated HHS, with an elevated serum glucose (47.1 mmol/L [847.8 mg/dL]; reference range 3.9-6.0 mmol/L; 70-108 mg/dL), serum osmolality (357 mmol/kg HO; reference 282-300 mmol/kg HO) but absent urine ketones and no metabolic acidosis (venous pH 7.34). Her course was complicated by an acute kidney injury. Management in the hospital included discontinuation of diazoxide and intravenous fluid resuscitation, following which hyperglycemia and hyperosmolarity resolved. No insulin therapy was required. She remained normoglycemic without diazoxide for 2 weeks but subsequently required restarting of diazoxide for hypoglycemia. This case highlights the need for early recognition and prompt management of diazoxide-related HHS to reduce negative outcomes. We present the first case report of a child with Kabuki syndrome and hyperinsulinism with diazoxide-induced HHS.
PubMed: 38947417
DOI: 10.1210/jcemcr/luae108 -
World Journal of Gastroenterology Jun 2024Posthepatectomy liver failure (PHLF) is one of the most important causes of death following liver resection. Heparin, an established anticoagulant, can protect liver...
BACKGROUND
Posthepatectomy liver failure (PHLF) is one of the most important causes of death following liver resection. Heparin, an established anticoagulant, can protect liver function through a number of mechanisms, and thus, prevent liver failure.
AIM
To look at the safety and efficacy of heparin in preventing hepatic dysfunction after hepatectomy.
METHODS
The data was extracted from Multiparameter Intelligent Monitoring in Intensive Care III (MIMIC-III) v1. 4 pinpointed patients who had undergone hepatectomy for liver cancer, subdividing them into two cohorts: Those who were injected with heparin and those who were not. The statistical evaluations used were unpaired -tests, Mann-Whitney tests, chi-square tests, and Fisher's exact tests to assess the effect of heparin administration on PHLF, duration of intensive care unit (ICU) stay, need for mechanical ventilation, use of continuous renal replacement therapy (CRRT), incidence of hypoxemia, development of acute kidney injury, and ICU mortality. Logistic regression was utilized to analyze the factors related to PHLF, with propensity score matching (PSM) aiming to balance the preoperative disparities between the two groups.
RESULTS
In this study, 1388 patients who underwent liver cancer hepatectomy were analyzed. PSM yielded 213 matched pairs from the heparin-treated and control groups. Initial univariate analyses indicated that heparin potentially reduces the risk of PHLF in both matched and unmatched samples. Further analysis in the matched cohorts confirmed a significant association, with heparin reducing the risk of PHLF (odds ratio: 0.518; 95% confidence interval: 0.295-0.910; = 0.022). Additionally, heparin treatment correlated with improved short-term postoperative outcomes such as reduced ICU stay durations, diminished requirements for respiratory support and CRRT, and lower incidences of hypoxemia and ICU mortality.
CONCLUSION
Liver failure is an important hazard following hepatic surgery. During ICU care heparin administration has been proved to decrease the occurrence of hepatectomy induced liver failure. This indicates that heparin may provide a hopeful option for controlling PHLF.
PubMed: 38947296
DOI: 10.3748/wjg.v30.i22.2881 -
MedRxiv : the Preprint Server For... Jun 2024Immune checkpoint inhibitors (ICIs) enhance the immune system's ability to target and destroy cancer cells by blocking inhibitory pathways. Despite their efficacy, these...
BACKGROUND
Immune checkpoint inhibitors (ICIs) enhance the immune system's ability to target and destroy cancer cells by blocking inhibitory pathways. Despite their efficacy, these treatments can trigger immune-related adverse events (irAEs), such as acute kidney injury (ICI-AKI), complicating patient management. The genetic predispositions to ICI-AKI are not well understood, necessitating comprehensive genomic studies to identify risk factors and improve therapeutic strategies.
OBJECTIVE
To identify genetic predispositions for ICI-AKI using large-scale real-world data.
METHODS
A systematic literature search led to 14 candidate variants related to irAEs. We performed a candidate variant association study with these 14 variants using the All of Us cohort (AoU, v7, cutoff date: 7/1/2022). A cohort for cancer patients receiving ICI and a general cohort were established to evaluate ICI-AKI risk. Logistic regression, adjusted for sex, was used to evaluate the impact of each candidate genotype, separately for self-reported and ancestry-estimated race. Kaplan-Meier survival analysis assessed the genetic effects on AKI-free survival.
RESULTS
The ICI cohort (n=414) showed a one-year AKI incidence rate of 23.2%, significantly higher than the general cohort (6.5%, n=213,282). The rs16957301 variant (chr13:100324308, T>C) in the PCCA gene was a significant risk genotype for ICI-AKI among self-reported Caucasians (Beta=0.93, Bonferroni-corrected P-value=0.047) and ancestry estimated Caucasians (Beta = 0.94, Bonferroni-corrected P-value=0.044). Self-reported Caucasians with the rs16957301 risk genotypes (TC/CC) developed AKI significantly earlier (3.6 months) compared to the reference genotype (TT, 7.0 months, log-rank P=0.04). Consistent results were found in ancestry-estimated Caucasians. This variant did not present significant AKI risks in the general cohort (Beta: -0.008-0.035, FDR: 0.75-0.99).
CONCLUSION
Real-world evidence from the All of Us cohort suggests that, in Caucasians, PCCA variant rs16957301 is a novel AKI risk genotype specific to ICI treatment. Additional studies are warranted to validate rs16957301 as risk marker for AKI in Caucasian patients treated with ICIs and to assess its risk in other ancestral populations.
PubMed: 38946978
DOI: 10.1101/2024.06.20.24309197 -
MedRxiv : the Preprint Server For... Jun 2024Clonal hematopoiesis of indeterminate potential (CHIP) is a common inflammatory condition of aging that causes myriad end-organ damage. We have recently shown...
BACKGROUND
Clonal hematopoiesis of indeterminate potential (CHIP) is a common inflammatory condition of aging that causes myriad end-organ damage. We have recently shown associations for CHIP with acute kidney injury and with kidney function decline in the general population, with stronger associations for CHIP driven by mutations in genes other than (non- CHIP). Longitudinal kidney function endpoints in individuals with pre-existing chronic kidney disease (CKD) and CHIP have been examined in two previous studies, which reported conflicting findings and were limited by small sample sizes.
METHODS
In this study, we examined the prospective associations between CHIP and CKD progression events in four cohorts of CKD patients (total N = 5,772). The primary outcome was a composite of 50% kidney function decline or kidney failure. The slope of eGFR decline was examined as a secondary outcome. Mendelian randomization techniques were then used to investigate potential causal effects of CHIP on eGFR decline. Finally, kidney function was assessed in adenine-fed CKD model mice having received a bone marrow transplant recapitulating -CHIP compared to controls transplanted wild-type bone marrow.
RESULTS
Across all cohorts, the average age was 66.4 years, the average baseline eGFR was 42.6 ml/min/1.73m , and 24% had CHIP. Upon meta-analysis, non- CHIP was associated with a 59% higher relative risk of incident CKD progression (HR 1.59, 95% CI: 1.02-2.47). This association was more pronounced among individuals with diabetes (HR 1.29, 95% CI: 1.03-1.62) and with baseline eGFR ≥ 30 ml/min/1.73m (HR 1.80, 95% CI: 1.11-2.90). Additionally, the annualized slope of eGFR decline was steeper among non- CHIP carriers, relative to non-carriers (β -0.61 ± 0.31 ml/min/1.73m , p = 0.04). Mendelian randomization analyses suggested a causal role for CHIP in eGFR decline among individuals with diabetes. In a dietary adenine mouse model of CKD, -CHIP was associated with lower GFR as well as greater kidney inflammation, tubular injury, and tubulointerstitial fibrosis.
CONCLUSION
Non- CHIP is a potentially targetable novel risk factor for CKD progression.
PubMed: 38946975
DOI: 10.1101/2024.06.19.24309181 -
Clinical Toxicology (Philadelphia, Pa.) Jul 2024Paraphenylenediamine is the main component in many commercial hair dyes, and can produce severe local and systemic toxicity reactions after acute ingestion or dermal...
INTRODUCTION
Paraphenylenediamine is the main component in many commercial hair dyes, and can produce severe local and systemic toxicity reactions after acute ingestion or dermal absorption. The aim of this study was to assess the factors contributing to morbidity and mortality in cases of acute paraphenylenediamine poisoning, with a focus on evaluating the resultant hepatic and cardiac toxicity.
METHODS
This observational study was conducted on patients with acute paraphenylenediamine poisoning presenting to Sohag University Hospitals, and included a retrospective part from February 2021 to January 2022 and a prospective part from February 2022 to July 2022. Clinical data were extracted and receiver operating characteristic curves created to identify prognostic markers.
RESULTS
Among 50 eligible patients 39 (78 percent) recovered, and 11 (22 percent) died or had permanent complications. Angioedema and anuria were the most frequent features in complicated cases. By receiver operating characteristic analysis, either an increase in aspartate aminotransferase activity greater than 644 IU/L or alanine aminotransferase activity greater than 798 IU/L, a time delay to presentation of greater than 4.5 hours, and a pH of less than 7.32 were associated with a significant increase in morbidity and mortality. While cardiac enzyme activities, and concentrations of blood urea nitrogen and creatinine increased in most cases, they were not associated with mortality.
DISCUSSION
Management of patients with paraphenylenediamine poisoning is mainly supportive, as there is no specific antidote. Respiratory failure and kidney failure are the most life threatening complications. Hepatoxicity and cardiotoxicity also occur. The ability to predict the events can help guide patient disposition and care.
CONCLUSION
Elevated liver enzyme activities, increased time delay to admission, decreased pH, and the presence of angioedema and anuria can be used as predictors of morbidity and mortality in patients with acute paraphenylenediamine poisoning.
PubMed: 38946468
DOI: 10.1080/15563650.2024.2367664