EPS: What is new?
Transcript of EPS: What is new?
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EPS: What is new?
Professor Edwina Brown Imperial College Renal and Transplant Centre
Hammersmith Hospital, London, UK
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Conflict of Interest
I have no affiliation (financial or otherwise) with a pharmaceutical, medical device or communications organization. No conflicts of interest
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What is new?
• Incidence
• Predicting EPS
• Concept of competitive risks
• Diagnosis
• Management
• Patient perspective
• ISPD position statement – time on PD and EPS
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What is new?
• Incidence
• Predicting EPS
• Concept of competitive risks
• Diagnosis
• Management
• Patient perspective
• ISPD position statement – time on PD and EPS
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What is incidence of EPS?
• Not an easy question
– Varies between countries
– Varies over years
– Onset of clinical EPS provoked by stopping PD
– Related to length of time on PD so prevalence lower in PD populations with shorter duration of PD
• high transplant rate
• older patients with poor prognosis
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Is incidence of EPS declining?
• In recent years
– Lower use of high concentration dextrose dialysis
– Higher use of biocompatible dialysate
– Higher rate of transplantation in many countries
– (Changes in manufacturing process?)
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Incidence of EPS in Japan: NEXT-PD Study
Nakayama M et al, PDI 2014
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EPS in Japan: NEXT-PD • 55 centres – 1338 patients
• All patients on dual-compartment, pH neutral dialysate
– 35% on icodextrin
– none used 4.25% dextrose solutions
• Planned PD discontinuation to avoid EPS increased in proportion to time on PD – 0.6% PD discontinuation at 5 years, 14.7% at 8 years and 35% >8 years
– Clinical background of these patients included peritonitis in 15%, inadequate ultrafiltration in 24%, higher transport status (HA and H) in 50%; use of >3 exchanges 2.5% dextrose in 21%
Nakayama M et al, PDI 2014
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Declining numbers of EPS patients in Germany
Kitterer D et al; Int J Nephrol and Renovasc Dis 2016
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Decline of EPS incidence in Netherlands
Betjes et al, PDI 2017
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PD duration and EPS incidence - Taiwan
Tseng CC, Chen JB, Wang IK, Liao SC, Cheng BC, et al. (2018) Incidence and outcomes of encapsulating
peritoneal sclerosis (EPS) and factors associated with severe EPS. PLOS ONE 13(1): e0190079.
https://doi.org/10.1371/journal.pone.0190079
http://journals.plos.org/plosone/article?id=10.1371/journal.pone.0190079
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What is new?
• Incidence
• Predicting EPS
• Concept of competitive risks
• Diagnosis
• Management
• Patient perspective
• ISPD position statement – time on PD and EPS
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Predictors of EPS
• Clinical
– Time on PD
– Membrane transport on PET
– Use of high strength dextrose
– Residual renal function
– Loss of ultrafiltration
• Biomarkers
– Dialysate cytokines, e.g., IL6, Ca-125, CCL18
– Genetic markers
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Clinical characteristics of EPS patients compared to group matched for duration of PD
EPS (n=17) (median and IQ range)
Non-EPS (n=34) matched for PD duration (median and IQ range)
P value
Age (years) 53 (49-66) 59 (51-72) 0.21
Total duration PD (months) 76 (46-94) 71 (51-87) 0.18
Glucose exposure (mmol/24h) 1226 (1052-2076) 857 (530-1452) 0.0014
Urine output (ml/24h) 40 (0-364) 602 (179-1277) 0.0025
D/P creatinine 0.83 (0.74-0.9) 0.71 (0.42-0.78) 0.0028
Peritonitis episodes 1 (0.5-1.5) 1 (0.5-1.5) 0.45
Ultrafiltration failure (% and CI) 47 (23-71)% 18 (5-30%) 0.02
Goodlad C et al, PDI 2014
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Competitive risks
• Many older and comorbid patients could be at higher risk of dying than of getting EPS, even if they have factors suggestive of high risk of developing EPS
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5 Year Predicted Risks of EPS 0
.02
.04
.06
.08
Cum
ula
tive In
cid
en
ce
30 40 50 60 70 80Age
Low Comorbidity High Comorbidity
For patients with 3 years PD exposure
5 year predicted risk of EPS
0
.02
.04
.06
.08
Cum
ula
tive In
cid
en
ce
30 40 50 60 70 80Age
Low Comorbidity High Comorbidity
For patients with 5 years PD exposure
5 year predicted risk of EPS
After 3 years of PD
After 5 years of PD
Unpublished data from PD-CRAFT
Courtesy: Mark Lambie
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What is new?
• Incidence
• Predicting EPS
• Concept of competitive risks
• Diagnosis
• Management
• Patient perspective
• ISPD position statement – time on PD and EPS
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Patients with EPS requiring surgery - Japan
Hideki et al PDI (in press)
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EPS: survival with surgical management
Hideki et al PDI (in press)
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Surgical predictors of EPS-related death
Hideki et al PDI (in press)
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What is new?
• Incidence
• Predicting EPS
• Concept of competitive risks
• Diagnosis
• Management
• Patient perspective
• ISPD position statement – time on PD and EPS
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Living with EPS: the patient perspective • 3 major themes identified in qualitative study of patients
having EPS surgery in Manchester (UK)
– Identification of early symptoms and lack of understanding
– Sense of ‘not being heard’ by health care professionals led to loss of trust and enhanced their feelings of uncertainty
– Enormity of the surgery, suffering and what they had to endure had enormous impact, but overriding aspect of this experience was feeling of loss for their independence and for the PD therapy which they had control
• Recommendation – early referral to specialist centre when diagnosis of EPS suspected
Hurst H et al, PDI 2014
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Living with EPS: the patient perspective • Oh God, yeah because I had been saying to the doctor for a
year, surely there’s something somebody can do, I says, because I can’t keep suffering like this, it was horrendous. The pain I was getting….I was just so ill
• This is it, this is why when I saw the surgeon and he diagnosed it. And this is why I felt there might be a chance now. I might still live…
• I feel less in control now. I feel as if I’ve handed my life over to other people now and I really liked, you know, the independence that I had before…
Hurst H et al, PDI 2014
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ISPD position statement: CONCLUSION
• Encapsulating peritoneal sclerosis is a rare condition. There is no evidence to withhold PD as a treatment option because of fear of development of EPS. There is insufficient evidence to support a single rule about optimal length of time on PD to avoid the risk of EPS
ISPD statement. Perit Dial Int 2017
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ISPD position statement: CONCLUSION
• Each long-term patient needs to be considered individually, taking into account the following factors:
– Age and prognosis of patient;
– Length of time on PD;
– Quality of PD (dialysis adequacy, ultrafiltration, peritonitis frequency);
– Access to and suitability for transplantation;
– Potential risk of HD in the particular patient (hemodynamic stability, vascular access); and
– Quality of life of the patient.
ISPD statement. Perit Dial Int (i2017)
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Patient story
• 68 yr old woman with SLE since 1988 – now on PD for 10½ years
• Started PD Dec 2007; suspended on transplant list since 2011 - TIAs
• Increasing cognitive impairment and occasional falls; on assisted PD since 2011
• 1 exchange 2.27% overnight; icodextrin day time dwell
• PET June 10 0.72; Aug 11 0.68; Oct 13 0.80
• Now anuric; admitted 2-3 times with fluid overload and chest infection
• Good UF when adding in 2nd icodextrin manual exchange
• Lives in 3 generation female household – new arrival of granddaughter 4 years ago
• Does not want HD
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Bartolo: Care and government of the sick(1440-1443)
SIENA – Pilgrim’s Hall, Ospedale di S Maria della Scala