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  1. Article ; Online: Intraoperative Optic Nerve Sheath Diameter as a Predictor of Early Tacrolimus Neurotoxicity after Living Donor Liver Transplantation.

    Elsedeiq, Mahmoud / Abdelkhalek, Mostafa / Abozeid, Kareem M / Habl, Mohamed S / Elmorshedi, Mohamed A / Yassen, Amr M / Emara, Moataz Maher

    Anaesthesia, critical care & pain medicine

    2022  Volume 42, Issue 1, Page(s) 101178

    Abstract: Background: During liver transplantation, graft reperfusion triggers cerebral hyperemia, increases intracranial pressure, and disrupts the blood-brain barrier, thereby increasing the risk for immunosuppression neurotoxicity. Therefore, we tested the ... ...

    Abstract Background: During liver transplantation, graft reperfusion triggers cerebral hyperemia, increases intracranial pressure, and disrupts the blood-brain barrier, thereby increasing the risk for immunosuppression neurotoxicity. Therefore, we tested the intraoperative optic nerve sheath diameter (ONSD) for predicting tacrolimus neurotoxicity after liver transplantation.
    Basic procedures: We prospectively included 100 adult patients who underwent living donor liver transplantation. The ultrasonographic ONSD 5 min after reperfusion was used as the index test, whereas the occurrence of early tacrolimus neurotoxicity was used as the reference. The area under the receiver operating characteristic curve (AUROC) was used to estimate the ONSD prediction accuracy. We reported the specificity and sensitivity of ONSD 5 and 30 min after reperfusion. Cutoffs were derived from the ROC curves. In addition, we used regression to control for confounders while testing the association between the ONSD and tacrolimus neurotoxicity.
    Main findings: The AUROC at T3 was 0.74 (95% confidence interval (CI), 0.63-0.85, P < 0.001). An ONSD of ≥6.4 mm at T3 had an 86% sensitivity (95% CI, 68%-96%) and 53% specificity (95% CI, 41%-65%). An ONSD of ≥6.4 mm at T3 had an adjusted odds ratio for tacrolimus neurotoxicity of 6.3 (95% CI, 1.9-21, P = 0.003).
    Conclusions: This data indicates that intraoperative ultrasonic ONSD after reperfusion can predict tacrolimus neurotoxicity after liver transplantation.
    Trial registration: NCT03799770; registered on January 1st, 2019.
    MeSH term(s) Adult ; Humans ; Liver Transplantation/adverse effects ; Living Donors ; Optic Nerve/diagnostic imaging ; ROC Curve ; Tacrolimus/adverse effects ; Ultrasonography
    Chemical Substances Tacrolimus (WM0HAQ4WNM)
    Language English
    Publishing date 2022-11-25
    Publishing country France
    Document type Clinical Study ; Journal Article
    ISSN 2352-5568
    ISSN (online) 2352-5568
    DOI 10.1016/j.accpm.2022.101178
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  2. Article ; Online: Correction to: Feasibility and outcomes of living‑donor liver transplantation utilizing the right hemi‑liver graft with portal vein anatomical variations.

    Shehta, Ahmed / Elshobari, Mohamed / Salah, Tarek / Sultan, Ahmad M / Yasen, Amr / Shiha, Usama / El-Saadany, Mohamed / Monier, Ahmed / Said, Rami / Habl, Mohamed S / Adly, Reham / Ged, Basma Abd Elmoaem El / Karam, Rasha / Khaled, Reem / Razek, Hassan Magdy Abd El / Abdel-Khalek, Ehab E / Wahab, Mohamed Abdel

    Langenbeck's archives of surgery

    2024  Volume 409, Issue 1, Page(s) 34

    Language English
    Publishing date 2024-01-10
    Publishing country Germany
    Document type Published Erratum
    ZDB-ID 1423681-3
    ISSN 1435-2451 ; 1435-2443
    ISSN (online) 1435-2451
    ISSN 1435-2443
    DOI 10.1007/s00423-024-03226-x
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  3. Article ; Online: Feasibility and outcomes of living-donor liver transplantation utilizing the right hemi-liver graft with portal vein anatomical variations.

    Shehta, Ahmed / Elshobari, Mohamed / Salah, Tarek / Sultan, Ahmad M / Yasen, Amr / Shiha, Usama / El-Saadany, Mohamed / Monier, Ahmed / Said, Rami / Habl, Mohamed S / Adly, Reham / El Ged, Basma Abd Elmoaem / Karam, Rasha / Khaled, Reem / El Razek, Hassan Magdy Abd / Abdel-Khalek, Ehab E / Wahab, Mohamed Abdel

    Langenbeck's archives of surgery

    2023  Volume 408, Issue 1, Page(s) 387

    Abstract: Purpose: Portal vein (PV) reconstruction is a key factor for successful living-donor liver transplantation (LDLT). Anatomical variations of right PV (RPV) are encountered among potential donors.: Methods: To evaluate a single center experience of ... ...

    Abstract Purpose: Portal vein (PV) reconstruction is a key factor for successful living-donor liver transplantation (LDLT). Anatomical variations of right PV (RPV) are encountered among potential donors.
    Methods: To evaluate a single center experience of reconstruction techniques for the right hemi-liver grafts with PV variations during the period between May 2004 and 2022.
    Results: A total of 915 recipients underwent LDLT, among them 52 (5.8%) had RPV anatomical variations. Type II PV was found in 7 cases (13.5%), which were reconstructed by direct venoplasty. Type III PV was found in 27 cases (51.9%). They were reconstructed by direct venoplasty in 2 cases (3.8%), Y graft interposition in 2 cases (3.8%), and in situ double PV anastomoses in 23 cases (44.2%). Type IV PV was found in 18 cases (34.6%) and was reconstructed by Y graft interposition in 9 cases (17.3%), and in situ double PV anastomoses in 9 cases (17.3%). Early right posterior PV stenosis occurred in 2 recipients (3.8%). Early PV thrombosis occurred in 3 recipients (5.8%). The median follow-up duration was 54.5 months (4 - 185). The 1-, 3-, and 5-years survival rates were 91.9%, 86%, and 81.2%, respectively. Late PV stenosis occurred in 2 recipients (3.8%) and was managed conservatively.
    Conclusion: Utilization of potential living donors with RPV anatomic variations may help to expand the donor pool. We found that direct venoplasty and in situ dual PV anastomoses techniques were safe, feasible, and associated with successful outcomes.
    MeSH term(s) Humans ; Liver Transplantation/methods ; Portal Vein/surgery ; Living Donors ; Constriction, Pathologic ; Feasibility Studies ; Anastomosis, Surgical ; Retrospective Studies ; Liver/surgery
    Language English
    Publishing date 2023-10-04
    Publishing country Germany
    Document type Journal Article
    ZDB-ID 1423681-3
    ISSN 1435-2451 ; 1435-2443
    ISSN (online) 1435-2451
    ISSN 1435-2443
    DOI 10.1007/s00423-023-03115-9
    Database MEDical Literature Analysis and Retrieval System OnLINE

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