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Nephrology

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Inpatient Nephrology Services

 The Inpatient Nephrology Service at Richmond University Medical Center provides comprehensive, hospital-based care for patients with acute and chronic kidney disorders. Our board-certified nephrologists work closely with hospital teams and other medical and surgical specialties to provide evidence-based, individualized care for complex kidney conditions and acute renal emergencies.

Conditions We Treat

Our nephrology team provides evaluation and management of a broad range of kidney and electrolyte disorders, including:

  • Acute Kidney Injury (AKI)
  • Chronic Kidney Disease (CKD)
  • Kidney Failure
  • Glomerulonephritis
  • Nephrotic and Nephritic Syndromes
  • Polycystic Kidney Disease
  • Kidney Stones
  • Hypertension and Diabetic Kidney Disease
  • Hematuria and Proteinuria 
  • Electrolyte Disorders
  • Acid–Base Disorders
  • Acute and Chronic Dialysis Needs
  • Peritoneal Dialysis Management
  • Pre-Transplant Evaluation and Coordination

Each patient receives a comprehensive nephrology evaluation that incorporates medical history, physical examination, laboratory testing, imaging studies, medication review, and consultation with other specialists when appropriate.

Our team works collaboratively with critical care, cardiology, endocrinology, rheumatology, urology, gastroenterology, and other specialties to address the complex interactions between kidney disease and other medical conditions.

Specialized Inpatient Nephrology Services

Our service provides a broad range of diagnostic and therapeutic renal services, including:

  • Renal Imaging and Diagnostic Evaluation: Renal ultrasound and other appropriate imaging studies are used to evaluate kidney structure, obstruction, vascular abnormalities, and other renal conditions.
  • Kidney Biopsy: When clinically indicated, ultrasound- or CT-guided kidney biopsies may be performed to establish an accurate diagnosis and guide individualized treatment.
  • Interventional Renal Procedures: In collaboration with the appropriate procedural specialists, our team assists with interventions such as drainage of renal cysts or abscesses and nephrostomy tube placement when required for obstruction or infection.
  • Inpatient Hemodialysis: Our specialized hemodialysis service provides treatment for patients with acute kidney injury, advanced chronic kidney disease, and kidney failure. Hemodialysis removes excess fluid, electrolytes, and metabolic waste from the bloodstream while supporting patients with impaired kidney function. 
  • Peritoneal Dialysis: For appropriate patients, peritoneal dialysis can be initiated or continued during hospitalization. Our team coordinates dialysis management and discharge planning to support a safe transition to ongoing outpatient therapy.
  • Home Hemodialysis Planning: For selected patients who may benefit from home-based therapy, the inpatient nephrology team coordinates education, modality evaluation, and transition planning with dialysis providers and caregivers.
  • Comprehensive, Patient-Centered Kidney Care: The Inpatient Nephrology Service at Richmond University Medical Center is committed to providing timely, compassionate, and high-quality renal care. Through close collaboration with multidisciplinary hospital teams and the use of current advances in nephrology, our board-certified nephrologists provide comprehensive care designed to protect kidney function, manage complications, and support each patient’s recovery and long-term kidney health.

Meet our team

Dr. Sayed Mahdi Ayat is board certified in Internal Medicine and Nephrology and serves as the Medical Director of the Hemodialysis Unit at Richmond University Medical Center. He is also a faculty member of the New York Medical College (NYMC) Metropolitan Nephrology Program, where he is actively involved in medical education and the training of nephrology fellows.

 After completing his Internal Medicine residency in New Jersey and his Nephrology fellowship at Maimonides Medical Center in New York, Dr. Ayat joined Richmond University Medical Center in 2023 as a full-time nephrologist and faculty member. His clinical and academic work encompasses inpatient and outpatient nephrology, hemodialysis, medical education, and quality improvement. He actively teaches medical students, Internal Medicine residents, and Nephrology fellows and remains committed to advancing patient care and nephrology education.