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ATN is an Artificial Intelligence API marketplace where developers, technology suppliers and buyers come together to access & develop new and innovative forms of A.I. technology effectively building the next generation of artificial intelligence in a trusted and collaborative environment. ATN is built on a smart-contract enabled next-generation blockchain providing AIaaS. ATN creates an environment that gives DApps quick and secure access to A.I. capabilities and services. In order to achieve this, ATN will create and ensure the growth of a DBots/DApps ecosystem.

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Acute Tubular Necrosis


Following the end of pantoprazole treatment, short-term RRT and long-term prednisolone was administered, then serum creatinine returned to normal. Pantoprazole-induced acute kidney injury is commonly misdiagnosed and late diagnosis results in poor patient prognoses.

Both ischemic and nephrotoxic acute tubular necrosis can resolve over time, although temporary renal replacement therapy may be required, depending on the degree of renal injury and the presence of preexisting chronic kidney disease. The first step in the management of acute tubular necrosis (ATN) is identification of patients at risk for it. Patients undergoing major surgery or presenting with shock or other conditions associated with development of ATN should be proactively followed and monitored.

ATN description

The 2011 UK Renal Association guidelines recommend administering 0.9% sodium chloride and sodium bicarbonate for intravenous volume expansion in patients at risk of developing AKI secondary to rhabdomyolysis. It may be treated with bicarbonate or dialysis as well. Ischemic ATN is often described as a continuum of prerenal azotemia.

ATN description

What is acute glomerulonephritis?

When unopposed, this may lead to acute tubular necrosis and acute renal failure. NSAIDs also produce interstitial nephritis with or without nephrotic syndrome secondary to minimal change disease. Papillary necrosis has been incriminated in the development of chronic renal failure secondary to NSAIDs.

As stated above a renal biopsy is usually not necessary in the evaluation of patients with ATN and is usually employed by nephrologists when the history and laboratory findings suggest some diagnosis other than ATN. The diagnostic evaluation for AKI generally involves identifying if the disorder is prerenal, intrinsic renal, or postrenal. Likewise, in trying to determine if a patient has ATN, prerenal and postrenal causes should be ruled out. Once the disorder is determined to be a “renal” cause, the diagnostic work-up switches to determining which “renal” pathology has occurred. A renal biopsy is usually not necessary to make the diagnosis of ATN.

Following 5 days of treatment with RRT and prednisolone, these parameters were improved and continued to improve with prednisolone treatment alone until the patient was discharged 2 weeks later. Upon admission to the Department of Nephrology, a biopsy revealed that the renal pathology was consistent with acute kidney injury. Therefore, the diagnosis of pantoprazole-induced acute kidney injury was established.

What happens when there is tubular necrosis?

Intravenous furosemide or bumetanide in a single high dose (ie, 100-200 mg of furosemide) is commonly used, although little evidence indicates that it changes the course of ATN. The drug should be infused slowly because high doses can lead to hearing loss. If no response occurs, the treatment should be discontinued.

H. Primary Lung Disease (COPD, Asthma, ILD)

However, some patients with ATN, especially contrast-induced, may have FENa below 1% to 2%. Urine sodium concentration tends to be above 40 mEq/L with ATN and below 20 mEq/L in prerenal AKI, but overlap sometimes occurs.

ATN description

What is acute tubular necrosis?

Acute tubular necrosis is more likely to develop in people who are older, are critically ill, or have underlying kidney disorders, diabetes, or both. Injury to the kidney tubule cells harms the ability of the kidneys to filter the blood. Thus, waste products such as urea and creatinine build up in the bloodstream.

ATN description ATN description

What causes acute tubular necrosis?

ATN description

Oliguria is transient and the creatinine usually returns to baseline promptly with treatment of dehydration. ocumentation and coding of acute renal failure can be problematic, as many different criteria may be used to define the condition. Distinguishing between acute and chronic renal failure in the inpatient setting also may require several days of evaluation. What's more, the clinical terminology applied may not correspond with coding requirements. ATN must be differentiated from prerenal azotemia because treatment differs.

  • The mortality in patients with acute tubular necrosis depends on the underlying condition that leads to acute tubular necrosis.
  • The key to management is assuring adequate renal perfusion by achieving and maintaining hemodynamic stability and avoiding hypovolemia.
  • Complications related to acute tubular necrosis are the same as related to AKI which include acid-base and electrolyte disturbances such as hypocalcemia, hyperkalemia related to the metabolic acidosis, and hyperphosphatemia.
  • Renal biopsy is reserved for patients in whom prerenal and postrenal causes of acute kidney injury have been excluded and the cause of intrinsic renal injury is unclear.
  • The mean duration of exposure to pantoprazole prior to the onset of acute kidney injury is 3 months, although it has also been reported to occur within hours of pantoprazole administration (23).

What color is urine when your kidneys are failing?

Within 7 days and throughout hospital stay, several reversal/recovery patterns can be observed. At 3 months, depending on tissue repair pathways throughout the time window of the acute kidney disease, recovery or partial recovery may be observed.

ATN description

Causes of nephrotoxic acute tubular necrosis

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First, it allows one to rule out hydronephrosis and therefore makes postrenal causes less likely. Secondly, it may provide evidence of chronic renal disease (small shrunken kidney, polycystic kidneys), which may be particularly helpful when considering ATN in the absence of a baseline creatinine. Chronic kidney disease or diuretic use may alter the accuracy or completely invalidate the FENa.

[8] Further urine and serum studies will likely be recommended by the nephrology service to help determine etiology. Urgent nephrology consultation is required if patient requires emergent hemodialysis. Wegener granulomatosis should be considered in any patient with nonspecific complaints, such as weight loss, malaise, arthritis, and upper and/or lower respiratory tract complaints (from sinusitis to pulmonary hemorrhage).

ATN description

7.Lima C, Macedo E. Urinary Biochemistry in the Diagnosis of Acute Kidney Injury. Acute tubular necrosis is precipitated by an acute ischemic or toxic event or sepsis.

Can dehydration cause acute tubular necrosis?

Renal tubular acidosis (RTA) is a medical condition that involves an accumulation of acid in the body due to a failure of the kidneys to appropriately acidify the urine. The word acidosis refers to the tendency for RTA to cause an excess of acid, which lowers the blood's pH.

ATN description

Therefore, at a minimum, renal function should be evaluated 3 months after an episode of ATN to determine either resolution or progression to chronic kidney disease. Closer follow-up may be warranted if acute electrolyte or volume issues are not fully resolved at discharge.

In addition, continued use of diuretics (often administered during initiation and maintenance phases) may also add to the problem. Injury of tubular cells is most prominent in the straight portion of the proximal tubules and in the thick ascending limb of the loop of Henle, especially as it dips into the relatively hypoxic medulla.

Calcium gluconate (10 mL of 10% solution infused intravenously over five minutes) is also used to stabilize the membrane and reduce the risk of arrhythmias when there are electrocardiographic changes showing hyperkalemia. Postrenal causes typically result from obstruction of urinary flow, and prostatic hypertrophy is the most common cause of obstruction in older men. Prompt diagnosis followed by early relief of obstruction is associated with improvement in renal function in most patients. Consider therapy with immunosuppressive agents (e.g., cyclophosphamide, prednisone) in patients with rapidly progressive glomerulonephritis.

However, when the history, clinical features and laboratory findings are confusing, a kidney biopsy may establish the diagnosis. The gold standard for distinguishing between prerenal disease and ATN is response to fluid repletion.

Attention should be paid to patients at highest risk of developing ATN including those undergoing major surgery, sepsis, pancreatitis, or severe volume depletion. Patients with comorbid chronic kidney disease, diabetes, obesity, advanced malignancy, and poor nutrition are also at high risk of postischemic ATN. The history is extremely important to determining the cause of ATN. Patients diagnosed with ATN are frequently asymptomatic from the kidney injury itself, and the presenting symptoms are usually due to the underlying cause of the renal dysfunction. To diagnose extrarenal causes of obstruction (e.g., pelvic tumors), other imaging modalities, such as computed tomography or magnetic resonance imaging, may be required.

ATN description

The patient was diagnosed with acute kidney injury with wide interstitial inflammation and eosinophil infiltration. Following 1 month of glucocorticoid therapy, the patient's serum creatinine and urea nitrogen decreased to within normal ranges. The presentation, clinical course, diagnosis and prognosis of pantoprazole-induced acute kidney injury are discussed herein to highlight the importance of early and correct diagnosis for good prognosis. Disease characteristics include short-term increased serum creatinine levels that respond to glucocorticoid treatment. The patient had no history of chronic kidney disease or proteinuria and presented with increased serum creatinine following treatment with pantoprazole.

C. When is the Patient Ready for Discharge.

In addition to these worrisome cardiac effects, hyperkalemia can also lead to neuromuscular dysfunction and, potentially, respiratory failure.Hyperkalemiacan be treated with glucose and insulin, binding resins, or, if necessary, dialysis. Specific fluid imbalances vary with the phase of illness. During oliguria, salt and water retention often leads to hypertension, edema, and heart failure.