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Real World Outcome of Eculizumab in Post-Kidney Transplant TMA 
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A. Center and respondent details
1. Name of transplant center 

2. City/state/country

City
State
Country
3. Type of Center
4. Annual Kidney Transplant Volume
5. Respondent Name/Designation
6. Contact - Email ID
7.  Contact - Mobile Number
8. Does your center maintain a transplant TMA registry?
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B. Incidence and Prevalence

1. Total kidney transplants performed in last 5 years:

2. Number of suspected post-transplant TMA cases:

3. Number of biopsy-proven TMA cases:

4. Number of systemic TMA cases:

5. Number of kidney-limited TMA cases:

6. Timing of TMA after transplant:

7. Classification:

C. Recipient and Transplant Details

1. Recipient Age
2. Recipient Gender
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3. Native Kidney Disease
4. History of TMA/aHUS before Transplant
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5. Previous Graft Loss due to TMA
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6. Donor Type
7. HLA Mismatch
8. DSA present Pre-Transplant
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9. Induction Used
10. Maintenance Immunosuppression
11. CNI/mTOR trough level at TMA diagnosis
D. Clinical presentation
1. Presentation
2. Serum Creatinine at Diagnosis
3. Urine protein/Creatinine ratio
4. BP at Diagnosis
5. Need for Dialysis
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E. Laboratory Diagnosis
1. Hemoglobin
2. Platelet Count
3. LDH
4. Haptoglobin
5. Reticulocyte Count
6.  Schistocytes on Peripheral Smear
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7. Direct Coombs test
8.  C3
9. C4
10. ADAMTS13 activity tested
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IF YES: 
RESULT
11. STEC/Shiga toxin testing done
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IF YES: 
RESULT
12. Other Infection Identified
13. Anti-factor H Antibody Tested
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IF YES: 
RESULT
14. Complement Genetic Testing Done
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IF YES: 
15. Variant classification
F. Biopsy and Rejection Assessment
1. Graft Biopsy Performed
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2. Biopsy timing from TMA Suspicion
3. Biopsy findings:
4. C4d staining
5. Microvascular Inflammation
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6. DSA at Diagnosis
7. ABMR Diagnosed
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8. TCMR present
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9. Electron Microscopy Done
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10. Final biopsy impression
G. Suspected trigger
1. Most likely trigger
2. Was more than one trigger present? 
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H. Treatment details
1. Initial Management
2.  Was Eculizumab Used? 
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3. Indication for Eculizumab
4. Time from Diagnosis to First Eculizumab Dose
5. Eculizumab Dosing Schedule Used
6. Number of Doses
7. Duration of Therapy
8. Was Ravulizumab Used Later? 
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9. Reason for stopping eculizumab
10. Vaccination before Eculizumab
11. Antibiotic prophylaxis given? 
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12. Funding source
I. Outcomes
1. Hematological Response
2. Platelet Recovery Day
3.  LDH Normalization Day
4.  Creatinine at 1 Month
5.  Creatinine at 3 Months
6.  Creatinine at 6 Months
7.  Creatinine at 12 Months
8.  Dialysis Discontinued? 
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9.  Graft Outcome
10.  TMA Recurrence after Treatment Withdrawal
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11.  Infection after Eculizumab
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If Yes
Kindly name the infection
12.  Other Adverse Events
13.  Mortality
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J. Real-world Barriers and Opinion
1.  Main Barriers to Eculizumab Use

2. In which Cases would you Consider Eculizumab?

3. Do you support Creating a National Post-Transplant TMA Registry? 
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4.  Are you Willing to Contribute Anonymized Cases? 
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