Iranian journal of kidney diseases最新文献

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Erratum. 勘误表。
IF 1.3 4区 医学
Iranian journal of kidney diseases Pub Date : 2023-01-01
Editor Ijkd
{"title":"Erratum.","authors":"Editor Ijkd","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>No Abstract.  DOI: 10.52547/ijkd.7588.</p>","PeriodicalId":14610,"journal":{"name":"Iranian journal of kidney diseases","volume":"1 1","pages":"61"},"PeriodicalIF":1.3,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"9120123","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Prediction of Acute Kidney Injury by Fibroblast Growth Factor 23 (FGF-23) in Adult Patients, A Meta-analysis Study. 成纤维细胞生长因子23 (FGF-23)预测成人患者急性肾损伤的meta分析研究
IF 1.3 4区 医学
Iranian journal of kidney diseases Pub Date : 2023-01-01
Wei Tao, Shu-Wen Guo, Yu-Jie Fan, Feng Zheng
{"title":"Prediction of Acute Kidney Injury by Fibroblast Growth Factor 23 (FGF-23) in Adult Patients, A Meta-analysis Study.","authors":"Wei Tao,&nbsp;Shu-Wen Guo,&nbsp;Yu-Jie Fan,&nbsp;Feng Zheng","doi":"","DOIUrl":"","url":null,"abstract":"<p><strong>Introduction: </strong>The aim of the current meta-analysis was to assess the predictive value of blood fibroblast growth factor 23 (FGF-23) for acute kidney injury (AKI) in adult patients.</p><p><strong>Methods: </strong>We retrieved relative publications from electronic databases including the Cochrane Library, PubMed, Google Scholar, Scopus, web of science, and Wanfang Data from their inception to Aug 2022.</p><p><strong>Results: </strong>This meta-analysis study included seven prospective cohort trials comprising 1,655 adult patients. The overall pooled area under the receiver operating characteristic curve (AUC) from seven studies was 0.83 (95% CI: 0.80 to 0.86). Significant heterogeneity was identified (Q = 9.82, P = .004, I2 = 80). Pooled sensitivity and specificity were 0.75 (95% CI: 0.59 to 0.87) and 0.77 (95% CI: 0.65 to 0.87), respectively. Pooled positive likelihood ratio, negative likelihood ratio, and diagnostic odds ratio were 3.3 (95% CI: 1.8 to 6.3), 0.32 (95% CI: 0.16 to 0.63), and 10 (95% CI: 3 to 38); respectively. Moreover, our sensitivity analysis showed that when a trial from Asia was excluded, the predictive value of FGF-23 was declined.</p><p><strong>Conclusion: </strong>Our results of meta-analysis of seven prospective cohort trials suggested that blood FGF-23 is a candidate indicator for the prediction of AKI in adult patients. Results of future large and well-designed clinical trials are still needed.  DOI: 10.52547/ijkd.7189.</p>","PeriodicalId":14610,"journal":{"name":"Iranian journal of kidney diseases","volume":"1 1","pages":"1-8"},"PeriodicalIF":1.3,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"9120121","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Acute Kidney Injury in Pediatric Patients with COVID-19; Clinical Features and Outcome. 小儿COVID-19急性肾损伤的研究临床特征和结果。
IF 1.3 4区 医学
Iranian journal of kidney diseases Pub Date : 2023-01-01
Mahbubeh Mirzaee, Mahnaz Jamee, Masoumeh Mohkam, Fatemeh Abdollah Gorji, Mitra Khalili, Sedigheh Rafiei Tabatabaei, Abdollah Karimi, Shahnaz Armin, Roxana Mansour Ghanaie, Seyed Alireza Fahimzad, Zahra Pournasiri, Seyed Mohammad Taghi Hosseini Tabatabaei, Reza Dalirani, Nasrin Esfandiar, Mina Alibeik
{"title":"Acute Kidney Injury in Pediatric Patients with COVID-19; Clinical Features and Outcome.","authors":"Mahbubeh Mirzaee,&nbsp;Mahnaz Jamee,&nbsp;Masoumeh Mohkam,&nbsp;Fatemeh Abdollah Gorji,&nbsp;Mitra Khalili,&nbsp;Sedigheh Rafiei Tabatabaei,&nbsp;Abdollah Karimi,&nbsp;Shahnaz Armin,&nbsp;Roxana Mansour Ghanaie,&nbsp;Seyed Alireza Fahimzad,&nbsp;Zahra Pournasiri,&nbsp;Seyed Mohammad Taghi Hosseini Tabatabaei,&nbsp;Reza Dalirani,&nbsp;Nasrin Esfandiar,&nbsp;Mina Alibeik","doi":"","DOIUrl":"","url":null,"abstract":"<p><strong>Introduction: </strong>Renal disorders have been reported as the underlying cause as well as complications of critical COVID-19 in pediatric patients. The purpose of this study was to investigate the pattern of kidney involvement, particularly acute kidney injury (AKI), among pediatric patients with COVID-19.</p><p><strong>Methods: </strong>In this prospective study, hospitalized pediatric patients with a clinical diagnosis of COVID-19 were enrolled. Demographic, clinical, and laboratory findings were collected and analyzed using a mixed method of qualitative and quantitative approaches and descriptive statistics.</p><p><strong>Results: </strong>One hundred and eighty-seven patients, including 120 (64.2%) males and 67 (35.8%) females with COVID-19 with a median age (interquartile range) of 60 (24 to 114) months were enrolled in this study. Most patients (n = 108, 58.1%) had one or two underlying comorbidities, mainly malnutrition (77.4%), neurologic/learning disorders (21.4%), and malignancy (10.2%). According to the Kidney Disease Improving Global Outcomes (KDIGO) classification, AKI was detected in 38.5% of patients (stage 1: 55.6%, stage 2: 36.1%, and stage 3: 8.3%) at presentation or during hospitalization. Nine patients (4.8%) required hemodialysis and 16 (8.6%) eventually died. There was no significant association between AKI and admission to the pediatric intensive care unit (PICU) (P > .05), a multisystem inflammatory syndrome in children (MIS-C) (P > .05), comorbidities (P > .05), and mortality rate (P > .05).</p><p><strong>Conclusion: </strong>Kidneys are among the major organs affected by COVID-19. Although kidney abnormalities resolve in the majority of pediatric COVID-19 infections, particular attention should be paid to serum creatinine and electrolyte levels in patients affected by COVID-19, particularly children with a history of malnutrition and kidney disorders.  DOI: 10.52547/ijkd.7151.</p>","PeriodicalId":14610,"journal":{"name":"Iranian journal of kidney diseases","volume":"1 1","pages":"20-27"},"PeriodicalIF":1.3,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"9120124","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Contrast-induced Nephropathy in Kidney Transplant Recipients: A Single-center Experience. 肾移植受者造影剂肾病:单中心经验。
IF 1.3 4区 医学
Iranian journal of kidney diseases Pub Date : 2023-01-01
Osama A Gheith, Ayman M Nagib, Medhat A Halim, Tarek Mahmoud, Prasad Nair, Hasaneen Abo-Atya, Mohamed Shaker, Mohamed Mostafa, Hosam Attia, Torki Alotaibi
{"title":"Contrast-induced Nephropathy in Kidney Transplant Recipients: A Single-center Experience.","authors":"Osama A Gheith,&nbsp;Ayman M Nagib,&nbsp;Medhat A Halim,&nbsp;Tarek Mahmoud,&nbsp;Prasad Nair,&nbsp;Hasaneen Abo-Atya,&nbsp;Mohamed Shaker,&nbsp;Mohamed Mostafa,&nbsp;Hosam Attia,&nbsp;Torki Alotaibi","doi":"","DOIUrl":"","url":null,"abstract":"<p><strong>Introduction: </strong>Data regarding contrast-induced nephropathy (CIN) in kidney transplant (KT) recipients are scarce despite the distinct risk factors such as the use of immunosuppressive agents, sympathetic denervation, glomerular hyperfiltration, and high prevalence of the cardiovascular disease. This study aimed to determine the prevalence of CIN in KT recipients who received low-osmolality iodine-based contrast material (CM) for radiological assessment.</p><p><strong>Methods: </strong>Between 2010 and 2020, 79 of the 3180 KT recipients followed at Hamed Al-Essa organ transplant center received low-osmolality iodine-based contrast for radiological assessment for various indications. Preventive measures including holding metformin, intravenous hydration, sodium bicarbonate and N-acetylcysteine were given before contrast administration. CIN was defined as an increase in serum creatinine of 25% from the baseline within 72 hours.</p><p><strong>Results: </strong>The enrolled patients were divided into two groups: those who developed CIN (n = 7) and those with no increase in serum creatinine level (n = 72). The mean age of the patients was 52.1 ± 12.3 years; 44 of them were males, and the cause of end-stage kidney disease was mostly diabetic nephropathy. The pre-transplant demographics were comparable between the two groups. Fortyseven cases received contrast for coronary angiography, and 32 received it for a CT scan. The graft function deteriorated in group 1, but no significant difference was found between the two groups at the end of the study.</p><p><strong>Conclusion: </strong>CIN is not uncommon in KT recipients receiving CM, especially with ischemic heart disease. Risk stratification, optimizing hemodynamics, and avoiding potential nephrotoxins are essential before performing CM-enhanced studies in KT recipients.  DOI: 10.52547/ijkd.7165.</p>","PeriodicalId":14610,"journal":{"name":"Iranian journal of kidney diseases","volume":"1 1","pages":"47-53"},"PeriodicalIF":1.3,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"9176900","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Carotid Intima-media Thickness in Hemodialysis Patients and Related Biochemical and Clinical Factors. 血液透析患者颈动脉内膜-中膜厚度及相关生化和临床因素。
IF 1.3 4区 医学
Iranian journal of kidney diseases Pub Date : 2023-01-01
Azita Zafar Mohtashami, Babak Hadian, Mohammad Heidarian, Parisa Khalili
{"title":"Carotid Intima-media Thickness in Hemodialysis Patients and Related Biochemical and Clinical Factors.","authors":"Azita Zafar Mohtashami,&nbsp;Babak Hadian,&nbsp;Mohammad Heidarian,&nbsp;Parisa Khalili","doi":"","DOIUrl":"","url":null,"abstract":"<p><strong>Introduction: </strong>Cardiovascular complications are the most frequent cause of death in chronic kidney disease that happens due to both general and uremic risk factors. Recently, the medical literature has declared the carotid artery intima-media thickness to be an indicator for predicting cardiovascular diseases.</p><p><strong>Methods: </strong>This paper is an attempt to introduce an analytical cross-sectional study of 128 hemodialysis patients. The researchers collected the data by reviewing medical records, interviewing the patients, chemical analysis of the patient's serum and carotid artery Doppler ultrasound, and providing the relevant questionnaire. We performed descriptive statistics, bivariate correlation, and general linear model (GLM) analysis. And, the significance level of hypothesis tests was .05.</p><p><strong>Results: </strong>Seventy-three patients (57%) were male, and 55 (43%) were female. The mean and standard deviation of the age was 58.66 ± 15.54 years. Nearly 42% of patients affected by diabetes, 95.3% were hypertensive and 28.1% had a history of cardiovascular disease. In the bivariate analysis, age, serum albumin, serum magnesium, hypertension, and history of cardiovascular disease showed a statistically significant relationship with carotid intima-media thickness (CIMT). In GLM, we observed a statistically significant relationship between CIMT, age and magnesium.</p><p><strong>Conclusion: </strong>Increased CIMT is observed in a considerable percentage of hemodialysis patients. Age and serum magnesium concentration demonstrate a statistically significant association with CIMT. We recommend more precise long-term longitudinal follow-up studies to investigate the relationship between biochemical risk factors and CIMT. Therefore, multivariate analysis is necessary to assess the simultaneous effects of independent variables and manage influences of confounding factors. We also recommend developing a practical guideline for periodic determination of CIMT in hemodialysis patients to implement convenient preventive or therapeutic measures.  DOI: 10.52547/ijkd.7303.</p>","PeriodicalId":14610,"journal":{"name":"Iranian journal of kidney diseases","volume":"1 1","pages":"28-36"},"PeriodicalIF":1.3,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"9120125","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Chronic Kidney Disease in Isfahan Province, Action Plan for Screening in A Population-based Study. 伊斯法罕省慢性肾脏疾病:一项基于人群的筛查研究的行动计划
IF 1.3 4区 医学
Iranian journal of kidney diseases Pub Date : 2022-11-01
Firouzeh Moeinzadeh, Marjan Mansourian, Mojgan Mortazavi, Shiva Seirafian, Shahrzad Shahidi, Zahra Tasdighi, Sahar Vahdat, Shahram Taheri, Mohammad Hossein Rouhani, Mohammad Saleki, Mostafa Rezaei, Mohammad Hossein Masoudi, Zahra Zamani, Nahid Rafie
{"title":"Chronic Kidney Disease in Isfahan Province, Action Plan for Screening in A Population-based Study.","authors":"Firouzeh Moeinzadeh,&nbsp;Marjan Mansourian,&nbsp;Mojgan Mortazavi,&nbsp;Shiva Seirafian,&nbsp;Shahrzad Shahidi,&nbsp;Zahra Tasdighi,&nbsp;Sahar Vahdat,&nbsp;Shahram Taheri,&nbsp;Mohammad Hossein Rouhani,&nbsp;Mohammad Saleki,&nbsp;Mostafa Rezaei,&nbsp;Mohammad Hossein Masoudi,&nbsp;Zahra Zamani,&nbsp;Nahid Rafie","doi":"","DOIUrl":"","url":null,"abstract":"<p><strong>Introduction: </strong>We intended to explore the prevalence of chronic kidney disease (CKD) and its different stages, as well as CKD associated variables in the adult population in Isfahan province, Iran.</p><p><strong>Methods: </strong>Adults aged ≥ 18 were recruited in a cross-sectional study from 2017 to 2019. Data including demographics, anthropometrics, and laboratory findings were collected from each subject. The equation of chronic kidney disease- Epidemiology Collaboration (CKD-EPI) was used to estimate glomerular filtration rate (eGFR), and eGFR and UACR values were utilized to determine the stages of CKD.</p><p><strong>Results: </strong>Data from a total of 3374 subjects was analyzed. The mean age of participants was 49.3 ± 14.09 years and 59.3% were female. The prevalence of CKD was 18.5%. Only 0.25 and 3.5% of the population were in CKD stage 3 and 4, while most of the patients were in CKD stage 2 (7.6%) and stage 1 (7.1%). CKD patients were mostly on refined grains diet and used lesser dairy products compared to healthy participants. Variables including systolic blood pressure (OR = 1.018; P < .001), diastolic blood pressure (OR = 1.005; P < .05), fasting blood sugar (OR = 1.011; P < .001), female sex (OR = 1.319; P < .05), body mass index (OR = 1.030; P < .05), married status (OR = 1.335; P < .05), and smoking (OR = 1.529; P < .05) were significantly associated with increased risk of CKD in the logistic regression analysis.</p><p><strong>Conclusion: </strong>According to our results, the prevalence of CKD, especially stages 1 and 2, is quite high in central part of Iran. These findings help us to improve the screening for CKD patients and perform larger scale studies to identify the challenges ahead.  DOI: 10.52547/ijkd.7201.</p>","PeriodicalId":14610,"journal":{"name":"Iranian journal of kidney diseases","volume":"16 6","pages":"355-367"},"PeriodicalIF":1.3,"publicationDate":"2022-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"9112187","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Virulence Factors of Staphylococcus Aureus Hemolysin HLA and HLB Isolated from Catheters of Dialysis Patients Referred to Nikan Hospital in Tehran During the Spring and Summer of 2021. 2021年春夏德黑兰Nikan医院转诊透析患者导管中分离的金黄色葡萄球菌溶血素、HLA和HLB毒力因子
IF 1.3 4区 医学
Iranian journal of kidney diseases Pub Date : 2022-11-01
Mehrdad Jafari Fesharaki, Sara Alipanahi, Nazila Arbabsoleimani, Fatemeh Pourrezagholi, Zeinab Piravar
{"title":"Virulence Factors of Staphylococcus Aureus Hemolysin HLA and HLB Isolated from Catheters of Dialysis Patients Referred to Nikan Hospital in Tehran During the Spring and Summer of 2021.","authors":"Mehrdad Jafari Fesharaki,&nbsp;Sara Alipanahi,&nbsp;Nazila Arbabsoleimani,&nbsp;Fatemeh Pourrezagholi,&nbsp;Zeinab Piravar","doi":"","DOIUrl":"","url":null,"abstract":"<p><strong>Introduction: </strong>Staphylococcus aureus (S. aureus) is one of the most frequent causes of infection around the world. Insertion of intravascular catheter and formation of biofilms by methicillinresistant Staphylococcus aureus (MRSA) have contributed to the increased risk of infection, and morbidity and mortality rates. Biofilms formation on intravascular catheters and other medical devices are of major postoperative concerns because biofilms are often the source of persistent and difficult-to-treat bacterial infections. This study aimed to evaluate different genetic patterns of this bacterium in samples collected from dialysis patients of Nikan hospital.</p><p><strong>Methods: </strong>In this descriptive cross-sectional study 30 samples from the removed catheters of patients suspected to have S. aureus infection and admitted to the dialysis ward of Nikan hospital were collected and phenotypic evaluations were done to confirm the type of the infectious species. Evaluation of antibiotic resistance of bacterial samples using Kirby-Bauer method was done. Biofilm production of the samples was assessed by the 96-plate microtiter method. The existence of two genes hla and hlb were evaluated using Multiplex PCR.</p><p><strong>Results: </strong>The biofilm production test showed that 60% of the samples were able to produce strong biofilms. Multiplex PCR results revealed that both hla and hlb genes were expressed in 93% of the samples, while, hlb gene alone was expressed in 53% of cases.</p><p><strong>Conclusion: </strong>The results of this study provide significant insight into the virulence gene makeup of catheter-colonizing S. aureus strains, and will assist in developing a more targeted treatment approach for persistent S. aureus biofilm contamination of medical devices.  DOI: 10.52547/ijkd.7146.</p>","PeriodicalId":14610,"journal":{"name":"Iranian journal of kidney diseases","volume":"16 6","pages":"348-354"},"PeriodicalIF":1.3,"publicationDate":"2022-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"9112189","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Revisiting the Management of Pediatric Kidney Transplants, A Multicenter Analysis 儿童肾移植治疗的多中心分析
IF 1.3 4区 医学
Iranian journal of kidney diseases Pub Date : 2022-11-01
Farahnak Assadi, Nakysa Hooman, Abdolhassan Seyedzadeh, Anoush Azarfar, Elaheh Malakan Rad, Behnaz Bazargani, Arash Abasi, Mastaneh Moghtaderi, Afshin Safaeiasl, Nasrin Esfandiar, Ali Derakhsan, Hamidreza Badeli, Alireza Eskandarifar, Mojgan Mazaheri, Fatemeh Ghane Sharbaf
{"title":"Revisiting the Management of Pediatric Kidney Transplants, \u0000A Multicenter Analysis","authors":"Farahnak Assadi,&nbsp;Nakysa Hooman,&nbsp;Abdolhassan Seyedzadeh,&nbsp;Anoush Azarfar,&nbsp;Elaheh Malakan Rad,&nbsp;Behnaz Bazargani,&nbsp;Arash Abasi,&nbsp;Mastaneh Moghtaderi,&nbsp;Afshin Safaeiasl,&nbsp;Nasrin Esfandiar,&nbsp;Ali Derakhsan,&nbsp;Hamidreza Badeli,&nbsp;Alireza Eskandarifar,&nbsp;Mojgan Mazaheri,&nbsp;Fatemeh Ghane Sharbaf","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>The newest Kidney Disease Improving Global Outcomes (KDIGO) guideline recommendations were investigated mainly for the care of adult kidney transplant recipients, but no guideline exists for the management of pediatric transplant recipients. This review provides update recommendations in the management of pediatric kidney transplantation. Four electronic databases, PubMed, EMBASE, Google Scholar, and Web of Science were searched systematically for the last two decades, using Mesh terms in English language. The Grades of Recommendation Assessment, Development, and Evaluation (GRADE) approach was used for grading the quality of the overall evidence and the strength of recommendations for each outcome across the studies. The overall quality of evidence categorized as high (A), moderate (B), low (C), or poor (D). The strength of a recommendation was determined as level 1 (recommended) or level 2 (suggested). The ungraded statements were determined on the basis of common sense to provide general advice. Of the 317 citations which were screened for the evidence review, 62 were included in data extraction. The included studies were randomized controlled trials, prospective cohorts and cross-sectional, descriptive, and review studies. Of the 115 statements, 56 (48.6%) were graded 1 (we recommend), 34 (29.5%) were graded 2 (we suggest), and 25 (21.7%) were ungraded statements. Altogether, only 22 (19.1%) of recommendations reached the \"A\" or \"B\" levels of quality of evidence. The pediatric kidney transplant recipients are different from adult recipients regarding the primary kidney diseases, surgical techniques, drug metabolism, adherence to medications, growth and neurocognitive development and immunization needs prior to transplantation.  DOI: 10.52547/ijkd.7179.</p>","PeriodicalId":14610,"journal":{"name":"Iranian journal of kidney diseases","volume":"16 6","pages":"319-329"},"PeriodicalIF":1.3,"publicationDate":"2022-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"9117134","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Challenging Issues in Diagnosis and Screening of BK Virus Nephropathy in Kidney Transplant Recipients, A Multicenter Experience in Iranian Population. 在肾移植受者中诊断和筛查BK病毒肾病的挑战性问题,伊朗人群的多中心经验。
IF 1.3 4区 医学
Iranian journal of kidney diseases Pub Date : 2022-11-01
Fatemeh Nili, Seyed Mohammadreza Khatami, Malihe Saberafsharian, Reza Shahsiah, Yadollah Shakiba, Golnar Seirafi, Yasaman Sadeghi, Maryam Miri, Reza Ataei, Maliheh Mohamadhoseini
{"title":"Challenging Issues in Diagnosis and Screening of BK Virus Nephropathy in Kidney Transplant Recipients, A Multicenter Experience in Iranian Population.","authors":"Fatemeh Nili,&nbsp;Seyed Mohammadreza Khatami,&nbsp;Malihe Saberafsharian,&nbsp;Reza Shahsiah,&nbsp;Yadollah Shakiba,&nbsp;Golnar Seirafi,&nbsp;Yasaman Sadeghi,&nbsp;Maryam Miri,&nbsp;Reza Ataei,&nbsp;Maliheh Mohamadhoseini","doi":"","DOIUrl":"","url":null,"abstract":"<p><strong>Introduction: </strong>BK virus nephropathy (BKVN) is an important complication of kidney transplantation and kidney biopsy remains the gold standard for its diagnosis. Urine/serum polymerase chain reaction (PCR) is a more sensitive diagnostic method, although it has some potential limitations.</p><p><strong>Methods: </strong>This study enrolled all kidney transplant recipients who underwent kidney transplant biopsy, collected from three medical centers. Urine and serum PCR results of the patients were also collected from the molecular laboratories. The cut-off value for positive viral DNA load in serum and urine were > 104 and > 107 copies/mL, respectively. Sensitivity, specifity, positive and negative predictive values (PPV, NPV) and cut off values for PCR results were compared with pathologic diagnosis among laboratories.</p><p><strong>Results: </strong>Among 369 biopsy samples, 33 (8.9%) had definite diagnosis of BKVN. PCR results were available for 138 cases. Three patients with definite BKVN had negative PCR results. In 22 patients, PCR was positive without evidence of BKVN. The overall sensitivity, specificity, PPV and NPV of PCR for detecting BKVN, based on a unique cut-off value, were 88, 81, 51, and 97%; respectively. The overall accuracy of PCR in all laboratories was high (82 to 86%), however significant inter-laboratory differences in sensitivity and specificity was found . A 2-log difference in threshold value for positive results was observed in one laboratory.</p><p><strong>Conclusion: </strong>PCR may show a significant variability between different laboratories. Interpretation of PCR results using a single cut-off value for all laboratories, may decrease the sensitivity for the diagnosis and screening of BKVN.  DOI: 10.52547/ijkd.7143.</p>","PeriodicalId":14610,"journal":{"name":"Iranian journal of kidney diseases","volume":"16 6","pages":"368-373"},"PeriodicalIF":1.3,"publicationDate":"2022-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"9112186","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Hemodynamic Profile of Patients with ESKD Referred to Heart Failure Department of Rajaie Heart Center, A Data from Right Heart Catheterization Registry. Rajaie心脏中心心脏衰竭患者ESKD的血流动力学特征,来自右心导管登记的数据。
IF 1.3 4区 医学
Iranian journal of kidney diseases Pub Date : 2022-11-01
Leili Valizadeh, Hoda Raffiei Jelodar, Sepideh Taghavi, Ahmad Amin, Hamideh Khesali, Reza Ravanparsa, Marzieh Mirtajaddini, Razie Omidvar, Zahra Shafii, Nasim Naderi
{"title":"Hemodynamic Profile of Patients with ESKD Referred to Heart Failure Department of Rajaie Heart Center, A Data from Right Heart Catheterization Registry.","authors":"Leili Valizadeh,&nbsp;Hoda Raffiei Jelodar,&nbsp;Sepideh Taghavi,&nbsp;Ahmad Amin,&nbsp;Hamideh Khesali,&nbsp;Reza Ravanparsa,&nbsp;Marzieh Mirtajaddini,&nbsp;Razie Omidvar,&nbsp;Zahra Shafii,&nbsp;Nasim Naderi","doi":"","DOIUrl":"","url":null,"abstract":"<p><strong>Introduction: </strong>Cardiovascular disorders are the leading cause of mortality and morbidity in patients with end-stage kidney disease (ESKD). We aimed to describe different patterns of cardiovascular abnormalities, the hemodynamics and the outcomes of ESKD patients referred to a tertiary center for heart failure programs, in detail.</p><p><strong>Methods: </strong>In this cohort, all ESKD patients who were referred by nephrologists for cardiovascular consultation and scheduled for right heart catheterization between July 2009 to October 2021, were assessed. The outcome of the selected patients in terms of all-cause mortality or successful kidney transplantation was followed up until January 2022.</p><p><strong>Results: </strong>A total of 73 patients (54.7% male) were selected. With the exception of four patients who had a specific cardiovascular disease, the remainder were referred due to a low left ventricular ejection fraction or pulmonary hypertension in order to determine the potential for kidney transplantation. Most of the patients (63%) were categorized as heart failure with reduced ejection fraction (HFREF). More than 87% of study population had pulmonary hypertension (PH). Post capillary PH (isolated or combined) was the most common type of PH (81%). The median interquartile range (IQR) of time to kidney transplantation or all-cause mortality was 1 (0.5 to 2) year. Twenty-five (36.2%) patients received a successful kidney transplant. The all-cause mortality rate was 28.8%. Older age, lower left ventricular ejection fraction (LVEF) and presence of pericardial effusion were independent predictors of all-cause mortality in multivariate analysis.</p><p><strong>Conclusion: </strong>ESKD patients with HFREF and/or pulmonary hypertension will have remarkable improvement in terms of their cardiac performance parameters following kidney transplantation.  DOI: 10.52547/ijkd.7105.</p>","PeriodicalId":14610,"journal":{"name":"Iranian journal of kidney diseases","volume":"16 6","pages":"7105"},"PeriodicalIF":1.3,"publicationDate":"2022-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"9117132","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
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