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Raina R, Davenport A, Warady B, Vasistha P, Sethi SK, Chakraborty R, Khooblall P, Agarwal N, Vij M, Schaefer F, Malhotra K, Misra M. Dialysis disequilibrium syndrome (DDS) in pediatric patients on dialysis: systematic review and clinical practice recommendations. Pediatr Nephrol 2022; 37:263-274. [PMID: 34609583 DOI: 10.1007/s00467-021-05242-1] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/26/2021] [Revised: 07/12/2021] [Accepted: 07/13/2021] [Indexed: 11/27/2022]
Abstract
BACKGROUND AND OBJECTIVES Dialysis disequilibrium syndrome (DDS) is a rare neurological complication, most commonly affecting patients undergoing new initiation of hemodialysis (HD), but can also be seen in patients receiving chronic dialysis who miss regular treatments, patients having acute kidney injury (AKI), and in those treated with continuous kidney replacement therapy (CKRT) or peritoneal dialysis (PD). Although the pathogenesis is not well understood, DDS is likely a result of multiple physiological abnormalities. In this systematic review, we provide a synopsis of the data available on DDS that allow for a clear picture of its pathogenesis, preventive measures, and focus on effective management strategies. METHODS We conducted a literature search on PubMed/Medline and Embase from January 1960 to January 2021. Studies were included if the patient developed DDS irrespective of age and gender. A summary table was used to summarize the data from individual studies and included study type, population group, age group, sample size, patient characteristics, blood and dialysate flow rate, and overall outcome. A descriptive analysis calculating the frequency of population size, symptoms, and various treatments was performed using R software version 3.1.0. RESULTS A total of 49 studies (321 samples) were identified and analyzed. Out of the included 49 studies, a total of 48 studies reported the presence of DSS among patients (1 study reported based on number of dialysis and therefore was not considered for analysis). Among these 48 studies, 74.3% (226/304) patients were reported to have DSS. The most common symptoms were nausea (25.2%), headache (24.8%), vomiting (23.9%), muscle cramps (18.1%), affected level of consciousness (8.8%), confusion (4.4%), and seizure (4.9%) among the 226 DDS patients. Furthermore, 12 studies decided to switch from HD to alternative dialysis modalities including continuous venovenous hemofiltration/hemodiafiltration (CVVH/CVVHDF) or PD which reported no DDS symptoms. CONCLUSION Early recognition and timely prevention are crucial for DDS patients. We have provided comprehensive clinical practice points for pediatric, adolescent, and young adult populations. However, it is essential to recognize that DDS was reported more frequently in the early dialysis era, as there was a lack of advanced dialysis technology and limited resources.
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Affiliation(s)
- Rupesh Raina
- Akron Nephrology Associates/Cleveland Clinic Akron General Medical Center, Akron, OH, USA. .,Department of Nephrology, Akron Children's Hospital, Akron, OH, USA. .,School of Medicine Cleveland Ohio, Case Western Reserve University, Cleveland, OH, USA.
| | - Andrew Davenport
- University College London Centre for Nephrology, Division of Medicine, University College London Medical School, Royal Free Hospital, London, UK
| | - Bradley Warady
- Division of Nephrology, University of Missouri-Kansas City School of Medicine, Children's Mercy, Kansas City, MO, USA
| | - Prabhav Vasistha
- Akron Nephrology Associates/Cleveland Clinic Akron General Medical Center, Akron, OH, USA
| | - Sidharth Kumar Sethi
- Pediatric Nephrology & Pediatric Kidney Transplantation, Kidney and Urology Institute, MedantaThe Medicity Hospital, Gurgaon, India
| | - Ronith Chakraborty
- Akron Nephrology Associates/Cleveland Clinic Akron General Medical Center, Akron, OH, USA.,Department of Nephrology, Akron Children's Hospital, Akron, OH, USA
| | - Prajit Khooblall
- Department of Internal Medicine, Northeast Ohio Medical University, Rootstown, OH, USA
| | - Nirav Agarwal
- Feinstein Institute for Medical Research, Northwell Health, Manhasset, NY, USA
| | - Manan Vij
- Akron Nephrology Associates/Cleveland Clinic Akron General Medical Center, Akron, OH, USA
| | - Franz Schaefer
- Department of Pediatric Nephrology, University Children's Hospital Heidelberg, Heidelberg, Germany
| | - Kunal Malhotra
- Division of Nephrology, University of Missouri School of Medicine, Columbia, MO, USA
| | - Madhukar Misra
- Division of Nephrology, University of Missouri School of Medicine, Columbia, MO, USA
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Abstract
Uremic encephalopathy encompasses a wide range of central nervous system abnormalities associated with poor kidney function occurring with either progressive chronic kidney disease or acute kidney injury. The syndrome is likely caused by retention of uremic solutes, alterations in hormonal metabolism, changes in electrolyte and acid-base homeostasis, as well as changes in vascular reactivity, blood-brain barrier transport, and inflammation. There are no defining clinical, laboratory, or imaging findings, and the diagnosis is often made retrospectively when symptoms improve after dialysis or transplantation. The diagnosis is also made difficult because of the many confounding and overlapping conditions seen in patients with chronic kidney disease and acute kidney injury. Thus, institution of kidney replacement therapy should be considered as a trial to improve symptoms in the right clinical context. Neurological symptoms that do not improve after improvement in clearance should prompt a search for other explanations. Further knowledge linking possible uremic retention solutes with neurological symptoms is needed to better understand this syndrome as well as to develop more tailored treatments that aim to improve cognitive function.
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Wirawan C, Sumada IK, Yuliani D, Wiratmi NKC, Sukiandra R. Dialysis Disequilibrium Syndrome Induced Seizure Following Hemodialysis. Cureus 2021; 13:e17821. [PMID: 34660031 PMCID: PMC8500255 DOI: 10.7759/cureus.17821] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 09/08/2021] [Indexed: 11/17/2022] Open
Abstract
Dialysis Disequilibrium Syndrome (DDS) is a set of neurological signs and symptoms that can occur during or following dialysis. Osmotic fluid gradient alteration caused by the dialysis process can cause cerebral edema. This process relates to the changes of high gradient urea in both the blood and central nervous system (CNS), which can modulate extracellular fluid influx into brain cells. A 77-year-old woman presented with chronic kidney disease (CKD) and hypertension with headache and tonic-clonic seizure following initial hemodialysis. In this case, we identified that adjustment to the hemodialysis prescriptions such as duration, blood flow rate, and target reduction of blood urea would be the key to avoid seizure following hemodialysis.
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Affiliation(s)
- Chandra Wirawan
- Department of Neurology, Wangaya General Hospital, Bali, IDN
| | - I Ketut Sumada
- Department of Neurology, Wangaya General Hospital, Bali, IDN
| | - Desie Yuliani
- Department of Neurology, Wangaya General Hospital, Bali, IDN
| | | | - Riki Sukiandra
- Department of Neurology, Arifin Achmad General Hospital, Riau, IDN
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