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Vascular complications after kidney transplantation (KT) are variably rare with an incidence of 3-15%. They are a significant and most serious part of surgical complications of KT. They may acutely result in graft loss during surgery or early in the perioperative period and may threaten patient's life. The most common forms of early vascular complications are haemorrhage, hematomas, arterial or venous thrombosis, arterial vasospasm, and arterial intimal dissection. In pediatric and adult KT, most studies addressing the vascular complications followed a common attitude of estimating the prevalence and management of these complications rather than studying the predisposing factors. Specifically, studying the normal and abnormal anatomy of the grafts has mainly been directed towards the number of graft vessels. However, there are many other vascular parameters that may potentially influence the outcome of vascular anastomosis and therefore the graft and patient outcomes. To the best of the investigators knowledge, the vascular dimensions of the renal and iliac vessels, such as the length, diameter and site of anastomosis to the iliac vessels have not been studied before so the investigators hypothesis that these dimensions can unequally affect the outcomes of surgery and early graft function in KTs. Hence, this study will be conducted to assess the effects of the vascular dimensions on the outcomes of surgery and primary graft function in pediatric versus adult living donor KT.
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| Measure | Description | Time Frame |
|---|---|---|
| Mode of graft function defined by: 1- the time of start of diuresis post-transplantation. | Mode of graft function defined by: 1- the start of diuresis (sufficient amount of urine production) within one hour of declamping through the first week post-transplantation | one month post operative. |
| 2- Rate of decline of the serum creatinine level. | 2- Rate of decline of the serum creatinine level. | one month post operative. |
| Measure | Description | Time Frame |
|---|---|---|
| The rate of vascular complications (intra- or perioperative). | The rate of vascular complications (intra- or perioperative): In the form of spasm, hemorrhage, dissection, or thrombosis. | one month post operative |
| The rate of other surgical complications. |
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Inclusion Criteria:
Exclusion Criteria:
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Pediatric and adult patients undergoing living donor kidney transplantation.
| Name | Role | Phone | Extension | |
|---|---|---|---|---|
| Mohamed L Shehata | Contact | 00201093590017 | mohamed.l.m.sh@gmail.com | |
| Rabea A Gadelkareem | Contact | 00201001529356 | dr.rabeagad@yahoo.com |
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| PubMed Identifier | Type | Citation | Retractions |
|---|---|---|---|
| 23671364 | Background | Srivastava A, Kumar J, Sharma S, Abhishek, Ansari MS, Kapoor R. Vascular complication in live related renal transplant: An experience of 1945 cases. Indian J Urol. 2013 Jan;29(1):42-7. doi: 10.4103/0970-1591.109983. | |
| 29500646 | Background | Fananapazir G, Troppmann C. Vascular complications in kidney transplant recipients. Abdom Radiol (NY). 2018 Oct;43(10):2546-2554. doi: 10.1007/s00261-018-1529-9. |
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The rate of other surgical complications. |
| one month post operative |
| 19545690 | Background | Dimitroulis D, Bokos J, Zavos G, Nikiteas N, Karidis NP, Katsaronis P, Kostakis A. Vascular complications in renal transplantation: a single-center experience in 1367 renal transplantations and review of the literature. Transplant Proc. 2009 Jun;41(5):1609-14. doi: 10.1016/j.transproceed.2009.02.077. |
| 35131794 | Background | Kadakia Y, Hwang C, MacConmara M. Rescue of an asymptomatic arterial occlusion after kidney transplant. BMJ Case Rep. 2022 Feb 7;15(2):e247347. doi: 10.1136/bcr-2021-247347. |
| 36400588 | Background | Meltzer AZ, Fintha A, Cseprekal O, Somogyi D, Szabo J, Kobori L, Rozsa B, Piros L, Huszty G. Graft Arterial Dissection and Thrombosis After Kidney Transplantation With Undiagnosed Fibromuscular Dysplasia From a Deceased Donor: Case Report and Review. Transplant Proc. 2022 Nov;54(9):2603-2607. doi: 10.1016/j.transproceed.2022.10.049. Epub 2022 Nov 16. |
| 26997403 | Background | Singh D, Butala BP, Parikh GP. Acute renal artery spasm during live kidney transplant surgery due to iatrogenic cause. Saudi J Kidney Dis Transpl. 2016 Mar;27(2):415-6. doi: 10.4103/1319-2442.178588. No abstract available. |
| 32950261 | Background | Sevmis M, Demir ME, Merhametsiz O, Aktas S, Sevmis S, Uyar M. Grafts With Multiple Renal Arteries in Kidney Transplantation. Transplant Proc. 2021 Apr;53(3):933-940. doi: 10.1016/j.transproceed.2020.07.019. Epub 2020 Sep 17. |
| 12771707 | Background | Ali-El-Dein B, Osman Y, Shokeir AA, Shehab El-Dein AB, Sheashaa H, Ghoneim MA. Multiple arteries in live donor renal transplantation: surgical aspects and outcomes. J Urol. 2003 Jun;169(6):2013-7. doi: 10.1097/01.ju.0000067637.83503.3e. |
| 12576799 | Background | Osman Y, Shokeir A, Ali-el-Dein B, Tantawy M, Wafa EW, el-Dein AB, Ghoneim MA. Vascular complications after live donor renal transplantation: study of risk factors and effects on graft and patient survival. J Urol. 2003 Mar;169(3):859-62. doi: 10.1097/01.ju.0000050225.74647.5a. |
| 36589161 | Background | Riella J, Tabbara MM, Alvarez A, DeFreitas MJ, Chandar J, Gaynor JJ, Gonzalez J, Ciancio G. Pediatric kidney transplants with multiple renal arteries show no increased risk of complications compared to single renal artery grafts. Front Pediatr. 2022 Dec 16;10:1058823. doi: 10.3389/fped.2022.1058823. eCollection 2022. |