Spearsborg4669
Kidney transplantation can increase survival and quality of life in patients with end-stage renal disease. In any allocation system, the crossmatch test plays an essential role in donor-recipient compatibility.
In this study, we aim to test the benefits of a web-based program that captures HLA antibody analyses and provides a report to allow fast and accurate virtual crossmatches.
One hundred potential recipients in the waiting list of renal transplants were selected. The included patients all had a complete HLA antibody profile. Also, 10 potential donors from previous kidney transplants (2020), with available HLA typing results for A, B, and DR locus, were also selected. A comparison was made between 100 recipients against ten potential donors, and virtual crossmatching (VXM) was performed by the web-based program and manually by an experienced immunologist.
The average time for a manual VXM was 30 minutes per patient, while the virtual cross web-based program took 5 minutes per patient. In 12% of the manual VXM cases, a secondary review of data improved final results. In two manual virtual crossmatches, the VXM results had errors in matching recipient antibodies with the donor HLA typing that could affect the final decision for transplantation.
In conclusion, a web-based VXM program that assesses HLA data can accurately perform a VXM with fewer human errors. It is especially true for highly sensitized candidates.
In conclusion, a web-based VXM program that assesses HLA data can accurately perform a VXM with fewer human errors. It is especially true for highly sensitized candidates.
Studies evaluating liver transplantation (LT) in hepatocellular carcinoma (HCC) in the Middle East have been scarce, mainly due to intricacy of this type of surgery.
In here we report our experiences with LT among patients with HCC cirrhosis.Methods All patients who underwent LT with primary diagnosis of HCC older than 18 years old, during 2004 to 2019, were initially included in our study.
Overall, 124 patients entered our study, among which majority were males (86.3%). Mean (SD) age of patients was 53.1±10.6 years old. Most common underlying liver diseases were HBV (55.6%) and HCV infections (12.1%). Mean MELD score of patients was 18±5.5. Child-Pugh score of most patients was class B (50%). Mean (SD) duration of hospitalization was 12.1±3.5 days. Patients were followed for a median of 32 (9, 62) months. The most common causes of death were recurrence of HCC (47.7%) and sepsis (34.1%). Median (IQR) duration to recurrence and death were 18 (4, 34) months and 17.5 (5.7, 44.5) months, respectively. One-year survival (89%, 86.4%, and 63.2%, respectively) (p=0.011) and one-year DFS (89%, 86.4%, and 57.9%, respectively) (p=0.001) was significant different between those who were selected based on the Milan, UCSF and extended criteria.
Our study provides valuable experiences on LT and HCC from one of the largest LT centers in the world. Accordingly, we found that the Milan criterion provides the best survival compared to the UCSF and our extended criteria for patient selection.
Our study provides valuable experiences on LT and HCC from one of the largest LT centers in the world. Accordingly, we found that the Milan criterion provides the best survival compared to the UCSF and our extended criteria for patient selection.
Leukopenia is a common problem after kidney transplantation. The therapeutic approach typically includes a reduction of the immunosuppressive therapy, which is associated with an increased risk of rejection and allograft loss. Granulocyte colony-stimulating factor (G-CSF) is used as a therapeutic option to raise the leukocyte blood count; however, the effect on acute rejections is controversial.
The goal of this study is to examine the incidence of acute rejections following G-CSF therapy.
We retrospectively evaluated patients with leukopenia following kidney transplantation and GCSF therapy between January 2007 and December 2017 at our center compared to controls with matched minimal leucocyte blood count in a matched pair analysis.
We identified 12 patients, who received G-CSF therapy with a cumulative dose of 10.74 µg/kg body weight over a time frame of 4.3 days. G-CSF therapy resulted in a significantly shorter time period with leucocytes <3,000/µL (9.5 vs. 16.6 days), but also trended towards an increased risk of rejection within the next 30 days with three patients in the G-CSF group and no patient in the control group (p=0.06) developing an acute biopsy-proven rejection. Infection and mortality rate in the subsequent year were not different between groups.
G-CSF therapy decreases the duration of leukopenia post-kidney transplantation, but may also increase the risk of an acute rejection.
G-CSF therapy decreases the duration of leukopenia post-kidney transplantation, but may also increase the risk of an acute rejection.Increased mortality of COVID-19 has been reported in older patients with diabetes, high blood pressure, lung disease and immunocompromised people such as kidney transplant recipients. Both the behavior of the viral infection and the treatments proposed so far interact with the state of immunosuppression and immunosuppressants. Herein, we report two cases of kidney transplant recipients with COVID-19 infection. The first patient presented with gastrointestinal symptoms and progressively advanced to multilobar pneumonia. The second case presented with fever accompanied by gastrointestinal and urinary symptoms and dry cough. Both patients responded appropriately to treatment.The inferior vena cava is the main organ of venous return from the lower extremities and abdominal organs to the right atrium. Congenital atresia of inferior vena cava is very rare. This anomaly can be surprising for transplant surgeons. The anomaly, if unknown, can cause procedural complications during interventional procedures or organ harvesting.
Use of AlloDerm™ is highly suggested for the treatment of deep burns and burn sequela reconstruction. Scar formation and contracture are recognized as long-term consequences of split-thickness skin autografting, which is applied for full-thickness burn injuries. Mature fibroblasts, in the absence of dermis, seem to secrete collagen in the reformed scar pattern.
To process AlloDerm™ from fresh allograft and use it as a dermal substitute for covering deep wounds in burn patients and evaluate its effectiveness.
In this case-series, 7 patients with deep burn wounds involving different locations on the body surface were exposed to combined AlloDerm™ (processed from fresh human allograft) with thin split thickness skin autograft on it. On the 5
post-operative day, wound dressings were changed to evaluate the graft survival with the human acellular dermal matrix scaffold. To determine the skin profiles, follow-ups continued for at least 6 months.
The results showed excellent graft take, good elasticity, acceptable thickness, and little contracture and scarring according to fix surgeon assessment in 6 patients. Graft rejection happened only in one patient with chronic electrical injury.
AlloDerm™ derived from cadaver skin and combination of it with thin split thickness skin auto grafting constitute a cost-effective and favorable option for the treatment of deep burn wounds in our center, considering the increased tendency of the population towards organ donation in the event of brain death.
AlloDerm™ derived from cadaver skin and combination of it with thin split thickness skin auto grafting constitute a cost-effective and favorable option for the treatment of deep burn wounds in our center, considering the increased tendency of the population towards organ donation in the event of brain death.
Despite the high regenerative capacity of skeletal muscle, volumetric muscle loss (VML) is an irrecoverable injury. One therapeutic approach is the implantation of engineered biologic scaffolds.
To investigate the simultaneous effect of high intensity interval training (HIIT) and the use of decellularized human amniotic membrane (dHAM) scaffolds on vascularization, growth factor, and neurotrophic factor gene expression, and muscle force generation in the tibialis anterior (TA) of rats after VML injury.
VML injury was created in the TA of 24 rats, which were randomly divided into two groups-12 animals with and 12 without the use of a dHAM scaffold. After injury, each group was further divided into two groups of 6 animals each-sedentary and HIIT. Blood vessels were visualized and counted by hematoxylin and eosin staining. The PowerLab converter assay was used to evaluate isometric contraction force. The relative expression of neurotrophic factors and growth factor genes was measured with reverse transcripdulating neurotrophic factor synthesis in regenerating muscles.
Laparoscopic live donor nephrectomy (LLDN) has become the standard of care and is popular among most of the transplant centers across the globe. Despite proven advantages of LLDN, some transplantation centers hesitate to start the program because of issues concerning donor safety and allograft function.
To discusses the main barriers for creating a successful LLDN program, strategies that allowed us to start a successful LLDN program along with the study results.
The donors undergoing LLDN from December 2016 to February 2018 were enrolled in the study and prospectively evaluated. LLDN were performed by two senior surgeons alternately with assistance by the laparoscopic urologist in all cases. Also, in the present study, two technical alterations were done in the standard surgical technique of transperitoneal LDN. The first important modification made was the use of two additional ports for use by laparoscopic urologists. The second modification involved dissection on both poles of the kidney before hilar dissection.
A total of 112 transperitoneal LLDN were performed during the study period. The mean (range) of operation time was 117.5 (81-158) min; the ischemia time was 194 (171-553) sec. Selleckchem Smoothened Agonist Only one patient needed conversion to open surgery. No other major peri-operative or posto-perative complications occurred. All kidney grafts were functioning well.
With proper planning, team approach, and few technical modifications, introduction of LLDN is safe and effective.
With proper planning, team approach, and few technical modifications, introduction of LLDN is safe and effective.
Ischemia-reperfusion injury during transplantation can cause post-operative graft dysfunction.
To assess the efficacy of N-acetylcysteine in preventing hepatic ischemia-reperfusion injury and post-transplant outcomes.
In this retrospective study on pediatrics undergoing living-donor (from one of their parents) liver transplantation, N-acetylcysteine was administered to one group (n=20) after induction in the donors until graft harvest, and in the recipients during implantation, which was maintained for 19 hours. The second group (n=20) did not receive NAC. Early allograft dysfunction was determined in the presence of alanine aminotransferase or aspartate aminotransferase ≥2000 IU/L and bilirubin ≥10 mg/dL within the first 7 days, and an international normalized ratio ≥1.6 on day 7. Data were collected from a retrospectively maintained database.
The incidence of post-reperfusion syndrome was lower in N-acetylcysteine group compared with the other group (5%
. 30%, p=0.037). Serum creatinine level was significantly (p=0.