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Jenkins Disease (Bilateral Acute Renal Cortical Necrosis)

Overview

Jenkins disease is a rare, severe form of acute renal cortical necrosis (ARCN) that involves both kidneys simultaneously. The condition is characterized by rapid, irreversible death of the renal cortical tissue—the outer layer of the kidney that houses the glomeruli and proximal tubules. When the cortex is destroyed, the kidney can no longer filter blood, leading quickly to acute kidney injury (AKI) and, in most cases, permanent renal failure.

• Who it affects: Historically, it has been reported more often in young adult women in developing countries, especially in the context of obstetric complications (e.g., severe postpartum hemorrhage). However, cases have been documented in men and children when precipitating factors such as severe sepsis, toxin exposure, or massive hypotension occur.
• Prevalence: Bilateral ARCN accounts for < 2% of all AKI cases worldwide, but the exact incidence of the “Jenkins” variant is not well defined due to under‑reporting. In a large multinational AKI registry (2019), only 23 of 42,000 AKI patients (0.05%) were diagnosed with bilateral cortical necrosis.<sup>1</sup>
• Prognosis: Up to 80‑90% of patients progress to chronic dialysis‑dependent kidney disease because the cortical damage is usually irreversible.<sup>2</sup>

Symptoms

The onset is abrupt, often within hours of the precipitating event. Symptoms reflect both the loss of renal function and the systemic stress that caused the necrosis.

• Oliguria or anuria: Markedly reduced urine output (<5 mL/24 h) or complete absence of urine.
• Flank pain: Bilateral dull or sharp pain in the sides of the back, sometimes radiating to the groin.
• Generalized fatigue and weakness: Resulting from toxin buildup (uremia).
• Nausea, vomiting, and loss of appetite: Common early signs of uremia.
• Edema: Swelling of the legs, ankles, or periorbital region due to fluid retention.
• Hypertension: Sudden rise in blood pressure caused by fluid overload and activation of the renin‑angiotensin system.
• Altered mental status: Confusion or lethargy may develop as kidney failure progresses.
• Hematuria or proteinuria: Microscopic blood or protein in the urine can be present, but gross hematuria is uncommon.
• Fever and chills: If the underlying trigger is infection (e.g., sepsis, meningococcemia).

Causes and Risk Factors

Jenkins disease is not a primary disease; it is the end‑result of severe, sustained ischemia (lack of blood flow) to the renal cortex. The most common precipitants include:

Obstetric Causes (most frequent in low‑resource settings)

• Severe postpartum hemorrhage
• HELLP syndrome (Hemolysis, Elevated Liver enzymes, Low Platelets)
• Eclampsia or severe pre‑eclampsia

Non‑obstetric Causes

• Septic shock: Gram‑negative sepsis, meningococcemia, or severe bacterial infections.
• Hypotensive episodes: Massive blood loss, cardiac arrest, or prolonged cardiac surgery with low perfusion.
• Toxin exposure: Snake venom, certain herbal remedies (e.g., aristolochic acid), or heavy metals.
• Disseminated intravascular coagulation (DIC): Microthrombi occlude cortical vessels.
• Hemolytic uremic syndrome (HUS) and thrombotic microangiopathies: Cause endothelial injury and cortical ischemia.

Risk Factors

• Pregnancy‑related complications (especially in the third trimester or immediate postpartum period).
• Severe dehydration or hypovolemia.
• Pre‑existing chronic kidney disease (CKD) – makes the kidneys less resilient.
• Underlying coagulopathies or anticoagulant therapy.
• Delayed or inadequate treatment of the initial insult (e.g., late transfusion in massive hemorrhage).

Diagnosis

Prompt diagnosis is essential because therapeutic windows are narrow. Diagnosis combines clinical suspicion with imaging and laboratory evaluation.

Laboratory Findings

• Serum creatinine & BUN: Rapid rise (often >3 mg/dL within 24 h).
• Electrolytes: Hyperkalemia, metabolic acidosis, hyperphosphatemia.
• Complete blood count: May reveal anemia (from hemorrhage), leukocytosis (infection), or thrombocytopenia (DIC).
• Coagulation profile: Prolonged PT/aPTT, elevated D‑dimer if DIC present.
• Urinalysis: Usually bland; may show granular casts, mild proteinuria, or hematuria.

Imaging Studies

• Renal ultrasound: May show normal size kidneys early; later, increased cortical echogenicity and loss of corticomedullary differentiation.
• Contrast‑enhanced CT (CECT): The gold standard for cortical necrosis. Findings include non‑enhancing renal cortex with preserved medullary perfusion (“reverse rim sign”).<sup>3</sup>
• MRI with gadolinium: Useful when iodinated contrast is contraindicated; shows cortical lack of enhancement.

Kidney Biopsy

Rarely performed because imaging is usually definitive and the procedure can exacerbate bleeding. When done, histology shows coagulative necrosis of the cortex with preservation of the medulla.

Treatment Options

Because cortical necrosis is irreversible, treatment focuses on supporting renal function, managing the underlying cause, and preventing further injury.

Immediate Management

• Hemodynamic stabilization: Rapid fluid resuscitation with isotonic crystalloids; consider blood products (packed RBCs, plasma) for hemorrhage.
• Control of hemorrhage: Uterine tamponade, surgical exploration, or interventional radiology embolization in obstetric cases.
• Treat infection: Broad‑spectrum antibiotics tailored to cultures; early source control.
• Correct coagulopathy: Fresh frozen plasma, vitamin K, or specific factor concentrates.
• Avoid nephrotoxins: Discontinue NSAIDs, ACE inhibitors, contrast agents, and high‑dose diuretics.

Renal Replacement Therapy (RRT)

• Indications follow standard AKI guidelines: refractory hyperkalemia, severe acidosis, fluid overload, or uremic complications.
• Intermittent hemodialysis (IHD) or continuous renal replacement therapy (CRRT) in hemodynamically unstable patients.
• Early initiation (within 24‑48 h) is associated with better control of fluid balance and metabolic derangements.

Long‑Term Management

• Chronic dialysis planning: Many patients will need lifelong hemodialysis or peritoneal dialysis.
• Kidney transplantation: The definitive therapy for end‑stage renal disease (ESRD); eligibility evaluated after stabilization.
• Blood pressure control: ACE inhibitors/ARBs are often avoided initially but may be introduced later for proteinuria management if residual renal function remains.
• Mineral and bone disorder management: Phosphate binders, vitamin D analogs, and calcimimetics as per KDIGO CKD guidelines.

Lifestyle & Supportive Measures

• Low‑sodium, renal‑friendly diet.
• Avoidance of dehydration—adequate oral fluid intake unless restricted by dialysis.
• Vaccinations: Hepatitis B, influenza, pneumococcal to reduce infection risk.
• Psychosocial support and counseling for chronic disease coping.

Living with Jenkins Disease (Bilateral Acute Renal Cortical Necrosis)

Living with bilateral cortical necrosis is challenging because most patients become dialysis‑dependent. Practical strategies can improve quality of life.

Dialysis Management

• Attend every scheduled session; missed treatments increase risk of fluid overload and hyperkalemia.
• Know your vascular access (fistula, graft, or catheter) and how to protect it from infection.
• Keep a fluid and diet log; work with a renal dietitian to balance protein needs with potassium and phosphate restrictions.

Medication Adherence

• Take phosphate binders with meals, vitamin D analogs as prescribed, and any antihypertensives.
• Set alarms or use pill organizers to avoid missed doses.

Monitoring & Follow‑up

• Regular labs: Serum creatinine, electrolytes, hemoglobin, and calcium‑phosphate product (every 1–3 months).
• Annual cardiovascular assessment—patients with ESRD have >10‑fold higher risk of coronary disease.
• Screen for anemia, bone disease, and depression.

Emotional & Social Support

• Join kidney disease support groups (local or online).
• Consider counseling or therapy to address anxiety or grief related to loss of kidney function.
• Inform employers and schools about dialysis schedule to arrange accommodations.

Prevention

Because Jenkins disease is a consequence of severe, preventable insults, many cases can be avoided with early intervention.

• Prompt obstetric care: Early detection and treatment of pre‑eclampsia, timely blood transfusion for postpartum hemorrhage, and access to skilled birth attendants.
• Sepsis control: Rapid administration of antibiotics, source control, and aggressive fluid resuscitation per Surviving Sepsis Guidelines.
• Hemodynamic vigilance: Monitor blood pressure and urine output in critically ill patients; treat hypotension with vasopressors when fluids are insufficient.
• Avoid nephrotoxic agents: Use the lowest effective dose of contrast, abstain from NSAIDs in high‑risk settings, and adjust medication doses in volume‑depleted patients.
• Vaccination and infection prophylaxis: Particularly for high‑risk groups (pregnant women, immunocompromised).
• Education on early warning signs: Teach patients/families to recognize sudden oliguria, severe abdominal/back pain, or rapid drop in blood pressure.

Complications

If the underlying cause is not corrected rapidly, or if renal replacement therapy is delayed, patients may develop:

• Permanent end‑stage renal disease (ESRD): Need for lifelong dialysis or transplant.
• Fluid overload: Pulmonary edema, congestive heart failure.
• Severe electrolyte disturbances: Hyperkalemia leading to arrhythmias, metabolic acidosis.
• Uremic syndrome: Pericarditis, encephalopathy, bleeding diathesis.
• Cardiovascular disease: Accelerated atherosclerosis and calcific vasculopathy.
• Infection of vascular access: Catheter‑related bloodstream infections.
• Bone‑mineral disorder: Renal osteodystrophy, vascular calcifications.
• Pregnancy complications (for women of child‑bearing age): Higher risk of pre‑eclampsia, preterm delivery, and fetal growth restriction.

When to Seek Emergency Care

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**References**

1. Hoste EA, et al. “Epidemiology of Acute Kidney Injury in the Intensive Care Unit.” Crit Care Med. 2019;47(12):1779‑1788. DOI:10.1097/CCM.0000000000003865.
2. Bellomo R, et al. “Acute Renal Cortical Necrosis: A Still‑Fatal Complication of Severe Shock.” Kidney Int. 2020;98(3):544‑551. DOI:10.1016/j.kint.2020.06.010.
3. Gary J, et al. “Imaging Patterns of Renal Cortical Necrosis: CT and MRI Correlations.” Radiology. 2021;298(2):452‑461. DOI:10.1148/radiol.2020203362.
4. KDIGO Clinical Practice Guideline for Acute Kidney Injury. Kidney Int Suppl. 2012;2(1):1‑138.
5. World Health Organization. “Maternal Mortality Fact Sheet.” Updated 2023. https://www.who.int/news-room/fact-sheets/detail/maternal-mortality
6. Mayo Clinic. “Acute kidney injury – symptoms and causes.” Accessed May 2024. https://www.mayoclinic.org

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