peritoneal membrane characteristics in saudi patients prof. jamal alwakeel, dr saira usama dr...
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PERITONEAL MEMBRANE CHARACTERISTICS IN SAUDI PATIENTS
Prof. Jamal Alwakeel,
Dr Saira Usama
Dr Abdulkareem Alsuwaida,
Dr Mohammad AL Ghonaim,
Dr Akram Askar,
Dr Niaz Feraz,
Dr Shahid Qayyum
Dr Abdo Qudsi.
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426,000
1,065,000
2,095,000
1990 2000 2010
Global Prevalence of ESRD on RRT
Lysaght, J Am Soc Nephrol, 2002
Saudi Center for Organ Transplantation, Annual Report 2007 www.scot.org.sa
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PD in KSA
Saudi Center for Organ Transplantation, Annual Report 2007 www.scot.org.sa
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Membrane Transport Kinetics
Important to understand
To tailor the therapy
To improve adequacy
To improve technique survival
Membrane Physiology and Transport Kinetics
for the target population
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Peritoneal Equilibration Test
Globally used
Accurate and reliable over repeated periods of observation
to determine membrane type
Extremely well controlled
In-center procedure
Mujais S, Nolph K, Gokal R, et al: Evaluation and management of ultrafiltration problems in peritoneal dialysis. International Society for Peritoneal Dialysis Ad Hoc Committee on Ultrafiltration Management in Peritoneal Dialysis. Perit Dial Int 20:S5-S21, 2000 (suppl 4)
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Low-average 0.50 - 0.65
Low Transporter <
0.50
High-average 0.65 - 0.80
High Transporters > 0.80
Interpretation of PET
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Baseline Peritoneal Equilibrium Test
Gokal R, Mallick NP: Peritoneal dialysis. 1999
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To identify the characters of membrane permeability in the local Saudi population
assess the role of various factors affecting solute transport across the peritoneal membrane
Aim of the Study
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30 female 22 male patients
Standardized Pet test
4
weeks
after i
niti
ati
on
of regul
ar
Di
alysis
Kt/ V and creatinine clearance • 4
-6weeks after initiation of Dialysis
• at 3-4 month intervals
Patients and methods
52 patients in the Peritoneal Dialysis Unit of King Khalid University Hospital, Riyadh
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Primary cause of ESRD
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ST DEV MAX MIN MEAN
4.57 38.51 12.49 27.13 BMI
0.87 2.11 1.0 1.71 BSA
798 2833 0 610RESIDUAL RENAL FUNCTION (ML/DAY)
Patient characteristics
The average age 50.5 yrs
24 patients were above 60 yrs of age
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UREA CRT CA PHOS PTH HB ALBUMIN
TotalKt/V
TotalCr Cl L/wk
HbGm/dl
EPO DOSE
Mean 16.99 702.05 2.27 1.59 58.28 11.02 27.59 1.96 59.59 11.02 7031.5
Min 5.5 89 1.4 0.94 0.34 7.21 7.02 0.79 19.98 7.21 2000
Max 30.7 1322 2.8 2.89 295 15.8 42 5.48 132.87 15.8 30,000
Std dev. 6.45 304.12 0.27 0.79 105.87 1.89 6.91 1.24 24.85 1.89 3577
Results
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The average daily glucose exposure was 170.67 (81.6 - 386 ± 58.63) gm per day.
31 patients were using icodextrin either • as night cycle in CAPD or• as Long day dwell in CCPD patients.
PD Fluids
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High transporter 7
High Average 19
Low Average 13
Low Transporter 1
RESULTS
44%46%
2%
8%
HighTransporterHigh Average
Low Average
LowTransporter
Membrane type in Saudi patients
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DIABETIC PATIENTS
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73%
7%4%
8%4%
4%
PRIMARY DISEASE IN > 60 YRS
DM
HTN
GN
NEPHROLITHMM
APCKD
Older Age Group
46 % patients - above 60 yrs of age
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COMPARING WITH OTHER
POPULATIONS
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54 adult PD patients at Kingston General Hospital, Kingston, Ontario, Canada.
distribution of the patients by peritoneal transport• 0 low • 17 low-average • 22 high-average • 15 high
1. Rachel M. Pilkeyet al Inflammation, Peritoneal Transport, and Response to Erythropoitin in Peritoneal Dialysis Patients Queen’s University and Kingston General Hospital, Kingston, Ontario, Canada Perit Dial Int 31:48–63, 2006
Canada
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The study group at Department of Nephrology and Mineral Metabolism, , Mexico DF,
55 patients (29 male, 26 female) Peritoneal transport distribution:
24% - low 29% - low average 34% - high average 13% - high transporter
Angel Diaz-Alvarenga, Marcela Abasta-Jimenez, Bemardo Bravo, Gerardo Gamba, Ricardo Correa-Rotter Serum Albumin and Body Surface Area Are the Strongest Predictors of the Peritoneal Transport Type Perit Dial Int 23:75–89, 2004
Mexico
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918 patients from the Australian and New Zealand Dialysis and Transplant registry
153 (16.7%) - H 472 (51.4%) - (HA), 257 (28.0%) - (LA) 36 (3.9%) - (L).
17 %
51 %
%28
4 %
High transporter
High Av-erage
Low Av-erage
1. Rumpsfeld M, McDonald SP, Purdie DM, Collins J, Johnson DW: Predictors of baseline peritoneal transport status in Australian and New Zealand peritoneal dialysis patients. Am J Kidney Dis 43:492–501, 2004
ANZDATA
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Comparatively Speaking
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The results are comparable to other populations
The slight differences could be explained by the pre existing renal disease, co morbidities as well as the racial differences
There is need for a national renal registry to fully understand the membrane kinetics in the local population
CONCLUSION
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Thank You