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World Journal of transplantation 2024年第1期14卷 72-83页

作者： Maurizio Salvadori Giuseppina Rosso department of renal transplantation Careggi University HospitalFlorence 50139TuscanyItaly Division of nephrology San Giovanni di Dio HospitalFlorence 50143ToscanaItaly

Gut microbiota is often modified after kidney *** principally happens in the first period after *** and,most of all,immunosuppressive drugs are the main *** relationship between immunosuppressive drugs and the gut microbiota is *** one side immunosuppressive drugs modify the gut microbiota,often generating dysbiosis;from the other side microbiota may interfere with the immunosuppressant pharmacokinetics,producing products more or less active with respect to the original *** phenomena have influence over the graft outcomes and clinical consequences as rejections,infections,diarrhea may be caused by the dysbiotic ***,calcineurin inhibitors such as tacrolimus and cyclosporine,mycophenolate mofetil and mTOR inhibitors are the immunosuppressive drugs whose effect on the gut microbiota is better *** contrast is well known how the gut microbiota may interfere with glucocorticoids,which may be transformed into *** may be transformed by microbiota into a product called M1 that is 15-fold less active with respect to *** pro-drug mycophenolate mofetil is normally transformed in mycophenolic acid that according the presence or not of microbes producing the enzyme glucuronidase,may be transformed into the inactive product.

关键词： Immunosuppressive therapy Kidney transplantation Gut microbiota Dysbiosis Pathobionts Graft outcomes

Peritoneo-Vaginal Leaks in Peritoneal Dialysis: A Report of 3 Cases

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Open Journal of nephrology 2024年第2期14卷 176-184页

作者： Mariam Jdidou Sara Elmakkoul Nabil Hmaidouch Naima Ouzeddoun Loubna Benamar department of nephrology Dialysis and Renal Transplantation Ibn Sina University Hospital Rabat Morocco

Introduction: Peritoneal dialysis (PD) is an extra-renal purification technique indicated for patients with end-stage kidney disease (ESKD). Although it has many advantages, it also has a number of complications, such as peritoneo-vaginal leakage of dialysate. Cases Reports: Three male patients, aged 70, 50 and 77 respectively, with ESKD were placed on PD. All three patients presented with inadequate drainage and the progressive appearance of bilateral hydrocele, which occurred one year (late leakage), two and four days (early leakage) respectively after the initiation of exchanges. The etiological investigation led to the conclusion of a peritoneo-vaginal leak associated with an inguinal hernia in only one case. The two cases of early leakage were treated by temporary suspension of PD, with a good response in one case and failure in the second, leading to hisdefinitive transfer to hemodialysis (HD);however, the hernia repair enabled immediate resumption of PD in the third patient. Discussion and Conclusion: Peritoneo-vaginal leakage is a rare mechanical complication in PD. The clinical examination plays an essential role in confirming the diagnosis and in the therapeutic decision. If the diagnosis is uncertain, or if there is a clinical need to show the anatomy of the leak, an imaging approach becomes desirable. This complication should not prevent the progression of PD in the management of patients with ESKD.

关键词： Peritoneal Dialysis Peritoneal Leakage Hernia-Peritoneal Scintigraphy

Autosomal Dominant Polycystic Kidney Disease: Epidemiological, Clinical Aspects and Predictive Factors of Poor renal Prognosis (About 300 Cases)

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Open Journal of nephrology 2024年第2期14卷 275-293页

作者： Rihab Dkhissi Nada El Kadiri Tarik Bouattar Loubna Benamar Naima Ouzeddoun department of nephrology-Dialysis-renal transplantation IbnSina Hospital Mohammed V University Rabat Morocco

Introduction: Autosomal dominant polycystic kidney disease (ADPKD) is a common, multisystemic, and progressive hereditary disease. It accounts for 6 to 8% of incident cases of end-stage chronic renal disease (ESRD) in developed countries. The aim of this study is to describe the predictive factors for the development of end-stage chronic kidney disease (CKD) in the course of this disease. Material and Methods: This is a retrospective, descriptive, and analytical study including 300 cases of ADPKD collected at the nephrology department of Ibn-Sina Hospital in Rabat over a period of 30 years (1993 to 2023). Included in the study are all patients with ADPKD meeting the ultrasound diagnostic criteria. The analysis focused on demographic, clinical, paraclinical, evolutionary data, as well as prognostic factors associated with renal function deterioration. Results: The mean age of patients at diagnosis is 51.53 +/− 17 years [16 - 93] with a male predominance. The median serum creatinine at diagnosis is 15.5 mg/l [10 - 34]. 21% of patients had ESRD (eGFR 300 mg/24h (21%). The most common cystic complication is hemorrhage (12.3%). 21.3% of patients had hepatorenal polycystic disease. In adjusted analysis, the predictive risk factors for the occurrence of ESRD were smoking (p = 0.019), anemia (p Conclusion: ADPKD can progress insidiously to ESRD. Identification and early treatment of predictive factors for poor renal prognosis could contribute to a better outcome for this disease.

关键词： ADPKD ESRD Factors of Poor renal Prognosis renal and Extra-renal Manifestations

renal Transplant Artery Stenosis: Clinical Manifestations, Diagnosis and Treatment

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Open Journal of nephrology 2024年第2期14卷 262-274页

作者： Rihab Dkhissi Latifa Driouch Naima Ouzeddoun Loubna Benamar Tarik Bouattar department of nephrology-Dialysis-renal transplantation IbnSina Hospital Mohammed V University Rabat Morocco

Introduction: renal transplant artery stenosis (RTAS) is a common and early complication of renal transplantation, which can lead to severe post-transplant hypertension, as well as significant morbidity and mortality, particulary graft loss. The aim of this study is to determine the prevalence, clinico-radiological characteristics and evaluate the outcomes of luminal angioplasty as a first-line treatment for RTAS, through the analysis of medical records of 27 kidney transplant patients. Material and Methods: This is a retrospective, single-center, and descriptive study conducted at the nephrology department of the Ibn-Sina Hospital in Rabat, including 27 renal transplant patients with RTAS during the period from 1998 to 2023. All patients with clinically suspected RTAS and confirmed by Doppler ultrasound of the transplanted renal artery were included in the study. Results: The mean age of donors was 48.66 ± 13.55 years, with a female predominance (65%). The donor was deceased in 15% of cases. The mean age of the recipients was 39 ± 16 years with a male-to-female ratio of 4.4. The median onset of RTAS was 3.6 ± 3.4 months after renal transplantation. Seven patients (26%) had high blood pressure (HBP) before their transplantation. Six patients (22%) had hypertriglyceridemia and 7 patients (26%) had pure hypercholesterolemia. The main clinical signs were worsening of preexisting HBP, de novo HBP and acute renal failure (ARF). Stenosis was confirmed by renal Doppler ultrasound in all patients. It was severe in 63%, with a stenosis degree greater than 70%. Six patients underwent angioplasty, resulting in the stabilization of graft function with a nadir of 15 mg/l creatinine and blood pressure control with dual therapy in 5 patients. No graft loss cases were noted. Conclusion: RTAS is a significant vascular complication of renal transplantation that predicts unfavorable outcomes for both the patient and the graft. Early diagnosis is crucial to successfully restore graft f

关键词： RTAS Post Transplant Hypertension Graft Function Luminal Angioplasty

Secondary Hyperparathyroidism in Dialysis Patients: Short- and Long-Term Outcomes of Conservative Parathyroidectomy

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Open Journal of nephrology 2024年第2期14卷 147-156页

作者： Imane Saidi Sara Elmaakoul Naima Ouzeddoun Loubna Benamar department of nephrology-Dialysis-renal transplantation IbnSina Hospital Mohammed V University Rabat Morocco

Secondary hyperparathyroidism (HPT) is frequent in dialysis patients. Parathyroidectomy (PTX) is indicated for patients who failed medical therapy. We reviewed the data from 184 dialysis patients who underwent PTX between January 2015 and January 2023. We aimed to evaluate the short and long term outcomes of PTX in dialysis patients, comparing the conservative 3/4 versus 7/8 techniques in this population.166 dialysis patients with secondary HPT were included. A conservative subtotal PTX (sPTX) 7/8 was performed in 72% of patients and sPTX 3/4 in 28% of them. Severe postoperative hypocalcaemiaocurred in 45 patients (27%). Hypocalcaemia was significantly more frequent in the sPTX 7/8 group (p = 0.012). One case of persistent HPT (0.6%) and 20 cases of recurrence (12%) were diagnosed. Recurrence was more frequent in the sPTX 3/4 group (15%). No deaths were reported during the perioperative period.

关键词： Secondary Hyperparathyroidism Dialysis Chronic Kidney Disease Conservative Subtotal Parathyroidectomy

De Novo Glomerular Diseases after COVID-19 Vaccination: Consequence or Coincidence?

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Open Journal of nephrology 2024年第2期14卷 233-239页

作者： Qods Yacoubi Salima Serroukh Loubna Benamar Naima Ouzeddoun Tarik Bouattar department of nephrology-Dialysis-renal transplantation CHU Ibn-Sina Mohammed V University Rabat Morocco

Introduction: Vaccination against COVID-19 has proven highly effective in preventing severe forms of the disease. However, the literature reports several cases associating renal damage and the anti-COVID vaccine. The aim of our work was to report a case series of patients who developed glomerulopathy after anti-COVID-19 vaccine. We evaluated the type of vaccine, the clinico-biological profile, and the anatomopathological, therapeutic and evolutionary aspects. Material and Methods: Prospective descriptive study conducted at the nephrology department of CHU IbnSina in Rabat between December 2021 and June 2022 including 9 patients who presented with glomerulopathy after the 1st dose of anti-COVID-19 vaccine. We excluded patients followed for nephropathy. Results: The mean age of our patients was 33 ± 16 years with a sex ratio of 0.8. Six patients received an inactivated vaccine, 2 patients received a mRNA vaccine and 1 patient received a viral vector vaccine. The mean delay between the onset of signs and the date of the first vaccine dose was 3.1 +/? 0.65 months (1 - 6 months). All patients had a nephrotic syndrome, 2 pure and 7 impure: 3 patients had acute renal failure and microscopic hematuria, 2 patients had microscopic hematuria and 2 patients had acute renal failure. Histologically, focal segmental glomerulosclerosis (FSGS) was noted in 4 patients, lupus nephropathy in 3, and membranous nephropathy (MN) in 2. Specific treatment was administered to each patient, depending on the histological type of renal involvement and the context. After 6 months, complete remission was achieved in 5 patients, with no improvement in 2, and one patient was placed on hemodialysis. One patient died of another cause. Conclusion: The causal link between anti-COVID 19 vaccination and renal disease is highly probable, but remains to be confirmed.

关键词： Glomerulopathy Vaccination COVID-19

Early prediction of growth patterns after pediatric kidney transplantation based on height-related single-nucleotide polymorphisms

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Chinese Medical Journal 2024年第10期137卷 1199-1206页

作者： Yi Feng Yonghua Feng Mingyao Hu Hongen Xu Zhigang Wang Shicheng Xu Yongchuang Yan Chenghao Feng Zhou Li Guiwen Feng Wenjun Shang department of renal transplantation The First Affiliated Hospital of Zhengzhou UniversityZhengzhouHenan 450052China Precision Medicine Center Academy of Medical ScienceZhengzhou UniversityZhengzhouHenan 450052China

Background:Growth retardation is a common complication of chronic kidney disease in children,which can be partially relieved after renal *** study aimed to develop and validate a predictive model for growth patterns of children with end-stage renal disease(ESRD)after kidney transplantation using machine learning algorithms based on genomic and clinical ***:A retrospective cohort of 110 children who received kidney transplants between May 2013 and September 2021 at the First Affiliated Hospital of Zhengzhou University were recruited for whole-exome sequencing(WES),and another 39 children who underwent transplant from October 2021 to March 2022 were enrolled for external *** on previous studies,we comprehensively collected 729 height-related single-nucleotide polymorphisms(SNPs)in exon *** machine learning algorithms and 10-fold cross-validation analysis were employed for model ***:The 110 children were divided into two groups according to change in height-for-age *** univariate analysis,age and 19 SNPs were incorporated into the model and *** random forest model showed the best prediction efficacy with an accuracy of 0.8125 and an area under curve(AUC)of 0.924,and also performed well in the external validation cohort(accuracy,0.7949;AUC,0.796).Conclusions:A model with good performance for predicting post-transplant growth patterns in children based on SNPs and clinical variables was constructed and validated using machine learning *** model is expected to guide clinicians in the management of children after renal transplantation,including the use of growth hormone,glucocorticoid withdrawal,and nutritional supplementation,to alleviate growth retardation in children with ESRD.

关键词： Growth Machine learning Pediatric kidney transplantation Single-nucleotide polymorphism

A Chinese Multi-Specialty Delphi Consensus to Optimize RAASi Usage and Hyperkalaemia Management in Patients with Chronic Kidney Disease and Heart Failure

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Chinese Medical Sciences Journal 2024年第2期39卷 79-90页

作者： Ming-Hui Zhao Wei Chen Hong Cheng Bi-Cheng Liu Zhi-Guo Mao Zhuang Tian Gang Xu Jing-Min Zhou renal Division Peking University First HospitalBeijing 100034China department of nephrology The First Affiliated HospitalSun Yat-Sen UniversityGuangzhou 510080China department of nephrology Capital Medical UniversityBeijing 100029China department of nephrology Southeast University Zhongda HospitalNanjing 210009China department of nephrology Shanghai Changzheng HospitalShanghai 200003China department of Cardiology Peking Union Medical College HospitalBeijing 100730China renal Division Tongji Medical College of Huazhong University of Science and TechnologyWuhan 430030China department of Cardiology Zhongshan HospitalFudan UniversityShanghai 200032China

Objective Variations are present in common clinical practices regarding best practice in managing hyperkalaemia(HK),there is therefore a need to establish a multi-specialty approach to optimal renin angiotension-aldosterone system inhibitors(RAASi)usage and HK management in patients with chronic kidney disease(CKD)&heart failure(HF).This study aimed to establish a multi-speciality approach to the optimal use of RAASi and the management of HK in patients with CKD and *** A steering expert group of cardiology and nephrology experts across China were convened to discuss challenges to HK management through a nominal group *** group then created a list of 41 statements for a consensus questionnaire,which was distributed for a further survey in extended panel group of cardiologists and nephrologists across *** was assessed using a modified Delphi technique,with agreement defined as"strong"(≥75%and<90%)and"very strong"(≥90%).The steering group,data collection,and analysis were aided by an independent *** A total of 150 responses from 21 provinces across China were recruited in the *** were comprised of an even split(n=75,50%)between cardiologists and *** 41 statements achieved the 75%consensus agreement threshold,of which 27 statements attained very strong consensus(≥90%agreement)and 14 attained strong consensus(agreement between 75%and 90%).Conclusion Based on the agreement levels from respondents,the steering group agreed a set of recommendations intended to improve patient outcomes in the use of RAASi therapy and HK management in China.

关键词： Sardiorenal syndrome chronic kidney failure heart failure hyperkalemia multidisciplinary communication RAASi

Cerebral Glioblastoma in renal Transplant Recipient: A Case Report

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Open Journal of nephrology 2024年第1期14卷 10-16页

作者： Imane Saidi Meryem Benbella Loubna Benamar Naima Ouzeddoun Tarik Bouattar department of nephrology Dialysis and Renal Transplantation Ibn Sina University Hospital Rabat Morocco Faculty of Medicine and Pharmacy Mohammed V University Rabat Morocco

Cancers is a leading cause of mortality among transplant recipients. The most common cancers are skin tumors. Glioblastoma is the most frequent brain tumor in adults aged 45 - 70 years. It accounts for 12% - 15% of all intracranial tumors. It is characterized by its rapid development and poor prognosis. We report the case of a cerebral glioblastoma in a kidney transplant recipient. Clinical case: Mr G.R, 44 years old caucasian patient who underwent kidney transplantation. Immunosuppressive treatment included cyclosporine, mycophenolate mofetil and methylprednisolone. Creatinine levels after transplantation remained stable at 11 mg/L (96.8 μmol/l) with an estimated glomerular filtration rate (eGFR) of 77 ml/min/1.73m2 after a 15 years of follow-up. A grade IV right fronto-callossal cerebral glioblastoma was diagnosed in our patient. EBV PCR was negative. Therefore, he underwent 25 sessions of radiotherapy combined with oral chemotherapy using temozolomide. One month later, the patient died due to cerebral edema with subfalcine herniation. Conclusion: This is a case of cerebral glioblastoma in a kidney transplant recipient, a population considered at risk for tumor development due to immunosuppressive treatment. This emphasizes the need for a lifelong surveillance and, more importantly a better balance between graft function preservation and the risks associated with immunosuppressants.

关键词： Glioblastoma Kidney transplantation Cancer Immunossupression

Individualized Traditional Chinese Medicine treatment vs antibiotics for recurrent urinary tract infections: a multicenter, randomized controlled study

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Journal of Traditional Chinese Medicine 2024年第3期44卷 524-529页

作者： GU Xiangchen QIU Meisi XIE Lin CHEN Min DENG Yueyi ZHANG Changming JIAN Guihua WANG Chen WANG Yi department of nephrology Yueyang Hospital of Integrated Traditional Chinese and Western Medicine Affiliated to Shanghai University of Traditional Chinese Medicine department of nephrology Rizhao Hospital of Traditional Chinese Medicine department of nephrology Longhua Hospital Affiliated to Shanghai University of Traditional Chinese Medicine department of nephrology Shanghai Municipal Traditional Chinese Medicine Hospital Affiliated to Shanghai University of Traditional Chinese Medicine department of nephrology the Sixth People's Hospital Affiliated Shanghai Jiaotong University department of nephrology Shuguang Hospital Affiliated to Shanghai University of Traditional Chinese Medicine

OBJECTIVE: To systematically assess the effects of individualized Chinese medicines on recurrent urinary tract infections(rUTIs).METHODS: This study recruited 230 adult female patients in the remission phase of rUTIs from five hospitals in China. The patients were randomly allocated to two groups: an individualized Chinese medicine group(n = 114) and a control group(n = 116). Patients in the Chinese medicine group received individualized Chinese herbs, which were evaluated for syndrome *** in the control group received antibiotic treatment combined with a Chinese medicine placebo. The duration of treatment was three courses of four weeks each, with a three-month subsequent follow-up. UTI recurrence rate,Traditional Chinese Medicine(TCM) syndrome scores,36-item Short Form Survey(SF-36) score, and urine secretory immunoglobulin A(SIgA) were measured and analyzed before and after treatment in each group. RESULTS: Patients from the Chinese medicine group exhibited significant decreases in both short-and longterm UTI recurrence rates compared with the control group(P < 0.05). The changes in TCM syndrome scores between the Chinese medicine and control groups were significant(P < 0.05). The changes in the average SF-36 quality-of-life scores in the Chinese medicine group were also significantly higher than those in the control group after treatment(P < 0.05). The Chinese medicine group also demonstrated a significant increase in urine SIg A expression. CONCLUSION: Taken together, compared to the oftenused long-term antimicrobial prophylaxis during the remission stage of r UTIs, treating patients with an individualized Chinese medicine decoction by syndrome differentiation could effectively reduce the recurrence rate, improve the patients' TCM syndrome scores and quality of life, and enhance immunity, which in turn helps to prevent antibiotic resistance.

关键词： immunoglobulin A, secretory medicine, Chinese traditional quality of life randomized controlled trial syndrome differentiation urinary tract infections