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Renal failure occurs when the kidneys lose their ability to filter waste products from the blood effectively. It can be classified into two types: acute renal failure (ARF) and chronic renal failure (CRF).
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Dialysis is a diffusion-based purification process that separates analyte molecules from a complex matrix. This is accomplished by allowing molecules in the solution to pass through a semipermeable membrane into a liquid on the other side. The membrane is usually made of cellulose acetate or cellulose nitrate, and the second liquid must be miscible with the solution. Ions (e.g., chloride or sodium) or organic molecules (e.g., glucose) can pass through the membrane pores, which generally have...
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Peritoneal dialysis (PD) is a medical process that removes waste products and excess fluid from the body using the peritoneal membrane as a natural filter.Peritoneal Dialysis MethodsSeveral methods can be used for peritoneal dialysis, including Acute Intermittent Peritoneal Dialysis, Continuous Ambulatory Peritoneal Dialysis, and Automated Peritoneal Dialysis, also known as Continuous Cyclic Peritoneal Dialysis.Acute Intermittent Peritoneal Dialysis (AIPD) is used for patients with uremic...
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Related Experiment Video

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Guide Wire Assisted Catheterization and Colored Dye Injection for Vascular Mapping of Monochorionic Twin Placentas
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Dialysis for twins.

Ann-Maria Gramkow1, Michael Aarup1, Lise Lotte Torvin Andersen2

  • 1Department of Nephrology , Odense University Hospital , Odense , Denmark.

Clinical Kidney Journal
|April 11, 2015
PubMed
Summary

Effective hemodialysis for a pregnant woman with chronic kidney disease reduced risks for twins. Treating uremic toxins improved outcomes in a case of twin pregnancy with lupus nephritis and preterm labor.

Keywords:
chronic kidney diseasedialysispregnancytwins

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Area of Science:

  • Nephrology
  • Obstetrics
  • Reproductive Medicine

Background:

  • A 32-year-old woman with stage-4 chronic kidney disease (CKD) secondary to lupus nephritis presented with a twin pregnancy.
  • The pregnancy was complicated by imminent preterm labor at 24 weeks + 3 days gestation, attributed to intrauterine growth restriction and polyhydramnios.

Purpose of the Study:

  • To report on the management of a complex twin pregnancy in a patient with advanced CKD.
  • To evaluate the impact of hemodialysis on maternal and fetal outcomes in this high-risk scenario.

Main Methods:

  • The patient underwent regular ultrasound monitoring for fetal growth and amniotic fluid levels.
  • Hemodialysis was initiated to manage elevated uremic toxins.
  • Delivery was managed via Caesarean section at 28 weeks + 4 days gestation.

Main Results:

  • Initiation of hemodialysis led to a significant decrease in amniotic fluid levels.
  • Maternal blood urea nitrogen levels were reduced, and clinical symptoms improved.
  • The delivery resulted in live twins at a viable gestational age.

Conclusions:

  • Effective management of elevated uremic toxins through hemodialysis can significantly reduce morbidity risks in high-risk twin pregnancies.
  • This case highlights the importance of multidisciplinary care for pregnant women with advanced CKD.