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  1. Article ; Online: Outcome of Renal Transplantation in Patients With Diabetes Mellitus: A Single-Center Experience.

    Akagun, Tulin / Yelken, Berna / Usta, Murat / Turkmen, Aydin

    Transplantation proceedings

    2022  Volume 54, Issue 8, Page(s) 2174–2178

    Abstract: Background: An increasing proportion of kidney recipients have diabetes mellitus (DM). Some concerns have been raised about the kidney transplantation results in diabetic patients. Therefore, we assessed the effect of DM on morbidity and mortality of ... ...

    Abstract Background: An increasing proportion of kidney recipients have diabetes mellitus (DM). Some concerns have been raised about the kidney transplantation results in diabetic patients. Therefore, we assessed the effect of DM on morbidity and mortality of diabetic patients with renal transplantation.
    Methods: We retrospectively studied adult patients with and without DM who underwent living donor transplantation between 2007 and 2016. Information concerning demographic and clinical data were retrospectively analyzed by reviewing the patient files.
    Results: Of the 1536 transplant recipients, 126 (8%) had diabetes mellitus (mean age 49.4 ± 11.8) and 525 patients were evaluated in the non-diabetic control group (mean age 36.2 ± 15.9). The diabetic and non-diabetic patient groups had a mean follow-up after kidney transplantation 42.5 months (0.27-101.7 months) and 58.8 ± 10.6 months, respectively. In the diabetic patient group, only 3 patients had lost graft and 13 patients were exitus. Three patients had lost graft and 5 patients were exitus in non-diabetic patient group. Cardiac death (54.5%) was the most common cause of mortality in diabetic group. The 6-year patient and graft survival rates are 84.9% and 95.3%; 97.5% and 97.2% in the diabetic and non-diabetic patient groups, respectively.
    Conclusions: Both infection and cardiovascular diseases increase morbidity and mortality in renal transplant patients with diabetes mellitus. The mortality risk of diabetic patients after renal transplantation is higher than the non-diabetic kidney recipients. Therefore, diabetic patients need meticulous cardiac evaluation before renal transplantation and a close follow-up, in terms of infection, after transplantation.
    MeSH term(s) Adult ; Humans ; Middle Aged ; Young Adult ; Kidney Transplantation/methods ; Graft Survival ; Retrospective Studies ; Diabetes Mellitus/etiology ; Living Donors ; Kidney Failure, Chronic/etiology ; Diabetic Nephropathies/complications
    Language English
    Publishing date 2022-10-02
    Publishing country United States
    Document type Journal Article
    ZDB-ID 82046-5
    ISSN 1873-2623 ; 0041-1345
    ISSN (online) 1873-2623
    ISSN 0041-1345
    DOI 10.1016/j.transproceed.2022.08.024
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  2. Article: Experience of kidney transplantation to a patient with Bernard Soulier syndrome: A case report.

    Karataş, Cihan / Akyollu, Başak / Arpalı, Emre / Yelken, Berna / Türkmen, Aydın / Koçak, Burak

    Turkish journal of surgery

    2023  Volume 39, Issue 1, Page(s) 86–88

    Abstract: Renal transplantation could be a challenging operation in patients with haemorrhagic diathesis, with predictable difficulties or even with unpredictable hurdles. Bernard Soulier Syndrome (BSS) is one of the ethiologies of the thrombocytopenia and it is a ...

    Abstract Renal transplantation could be a challenging operation in patients with haemorrhagic diathesis, with predictable difficulties or even with unpredictable hurdles. Bernard Soulier Syndrome (BSS) is one of the ethiologies of the thrombocytopenia and it is a rare hereditary disease associated with defects of the platelet glycoprotein complex glycoprotein Ib/V/IX and characterized by large platelets, thrombocytopenia, and severe bleeding symptoms. Here, we present a challenging renal transplantation in BSS.
    Language English
    Publishing date 2023-03-03
    Publishing country Turkey
    Document type Case Reports
    ISSN 2564-6850
    ISSN 2564-6850
    DOI 10.47717/turkjsurg.2022.4567
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  3. Article ; Online: Successful Kidney Transplantation in

    Bülbül, Mustafa Cem / Avcı, Şahin / Yelken, Berna / Koçak, Burak / Akay, Olga Meltem

    Turkish journal of haematology : official journal of Turkish Society of Haematology

    2023  Volume 40, Issue 3, Page(s) 232–233

    MeSH term(s) Humans ; Kidney Transplantation ; Thrombocytopenia/etiology ; Thrombocytopenia/genetics
    Language English
    Publishing date 2023-06-06
    Publishing country Turkey
    Document type Journal Article
    ZDB-ID 2185903-6
    ISSN 1308-5263 ; 1300-7777
    ISSN (online) 1308-5263
    ISSN 1300-7777
    DOI 10.4274/tjh.galenos.2023.2023-0138
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  4. Article ; Online: Case report: A kidney transplant patient with mild COVID-19.

    Arpali, Emre / Akyollu, Basak / Yelken, Berna / Tekin, Suda / Turkmen, Aydin / Kocak, Burak

    Transplant infectious disease : an official journal of the Transplantation Society

    2020  Volume 22, Issue 4, Page(s) e13296

    Abstract: Coronavirus Disease 2019 (COVID-19) is currently a pandemic with a mortality rate of 1%-6% in the general population. However, the mortality rate seems to be significantly higher in elderly patients, especially those hospitalized with comorbidities, such ...

    Abstract Coronavirus Disease 2019 (COVID-19) is currently a pandemic with a mortality rate of 1%-6% in the general population. However, the mortality rate seems to be significantly higher in elderly patients, especially those hospitalized with comorbidities, such as hypertension, diabetes, or coronary artery diseases. Because viral diseases may have atypical presentations in immunosuppressed patients, the course of the disease in the transplant patient population is unknown. Hence, the management of these patients with COVID-19 is an area of interest, and a unique approach is warranted. Here, we report the clinical features and our treatment approach for a kidney transplant patient with a diagnosis of COVID-19. We believe that screening protocols for SARS-Cov-2 should be re-evaluated in patients with solid-organ transplants.
    MeSH term(s) Adult ; Antiviral Agents/therapeutic use ; Betacoronavirus ; COVID-19 ; Coronavirus Infections/complications ; Coronavirus Infections/drug therapy ; Cough/etiology ; Disease Management ; Female ; Fever/etiology ; Glucocorticoids ; Graft Rejection/prevention & control ; Humans ; Immunocompromised Host ; Immunosuppressive Agents/therapeutic use ; Kidney Failure, Chronic/surgery ; Kidney Transplantation ; Lupus Nephritis/surgery ; Oseltamivir/therapeutic use ; Pandemics ; Pneumonia, Viral/complications ; Pneumonia, Viral/drug therapy ; Prednisone/therapeutic use ; SARS-CoV-2 ; Severity of Illness Index ; Tacrolimus/therapeutic use
    Chemical Substances Antiviral Agents ; Glucocorticoids ; Immunosuppressive Agents ; Oseltamivir (20O93L6F9H) ; Prednisone (VB0R961HZT) ; Tacrolimus (WM0HAQ4WNM)
    Keywords covid19
    Language English
    Publishing date 2020-05-04
    Publishing country Denmark
    Document type Case Reports ; Journal Article
    ZDB-ID 1476094-0
    ISSN 1399-3062 ; 1398-2273
    ISSN (online) 1399-3062
    ISSN 1398-2273
    DOI 10.1111/tid.13296
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  5. Article ; Online: Propensity score-matched analysis of long-term outcomes for living kidney donation in alternative complement pathway diseases: a pilot study.

    Caliskan, Yasar / Safak, Seda / Oto, Ozgur Akin / Velioglu, Arzu / Yelken, Berna / Mirioglu, Safak / Dirim, Ahmet Burak / Yildiz, Abdulmecit / Guller, Nurana / Yazici, Halil / Ersoy, Alparslan / Turkmen, Aydin / Lentine, Krista L

    Journal of nephrology

    2023  Volume 36, Issue 4, Page(s) 979–986

    Abstract: Background: Atypical hemolytic syndrome (aHUS) and C3 glomerulopathy (C3G) are complement-mediated rare diseases with excessive activation of the alternative pathway. Data to guide the evaluation of living-donor candidates for aHUS and C3G are very ... ...

    Abstract Background: Atypical hemolytic syndrome (aHUS) and C3 glomerulopathy (C3G) are complement-mediated rare diseases with excessive activation of the alternative pathway. Data to guide the evaluation of living-donor candidates for aHUS and C3G are very limited. The outcomes of living donors to recipients with aHUS and C3G (Complement disease-living donor group) were compared with a control group to improve our understanding of the clinical course and outcomes of living donation in this context.
    Methods: Complement disease-living donor group [n = 28; aHUS(53.6%), C3G(46.4%)] and propensity score-matched control-living donor group (n = 28) were retrospectively identified from 4 centers (2003-2021) and followed for major cardiac events (MACE), de novo hypertension, thrombotic microangiopathy (TMA), cancer, death, estimated glomerular filtration rate (eGFR) and proteinuria after donation.
    Results: None of the donors for recipients with complement-related kidney diseases experienced MACE or TMA whereas two donors in the control group developed MACE (7.1%) after 8 (IQR, 2.6-12.8) years (p = 0.15). New-onset hypertension was similar between complement disease and control donor groups (21.4% vs 25%, respectively, p = 0.75). There were no differences between study groups regarding last eGFR and proteinuria levels (p = 0.11 and p = 0.70, respectively). One related donor for a recipient with complement-related kidney disease developed gastric cancer and another related donor developed a brain tumor and died in the 4th year after donation (2, 7.1% vs none, p = 0.15). No recipient had donor-specific human leukocyte antigen antibodies at the time of transplantation. Median follow-up period of transplant recipients was 5 years (IQR, 3-7). Eleven (39.3%) recipients [aHUS (n = 3) and C3G (n = 8)] lost their allografts during the follow-up period. Causes of allograft loss were chronic antibody-mediated rejection in 6 recipients and recurrence of C3G in 5. Last serum creatinine and last eGFR of the remaining patients on follow up were 1.03 ± 038 mg/dL and 73.2 ± 19.9 m/min/1.73 m2 for aHUS patients and 1.30 ± 0.23 mg/dL and 56.4 ± 5.5 m/min/1.73 m2 for C3G patients.
    Conclusion: The present study highlights the importance and complexity of living related-donor kidney transplant for patients with complement-related kidney disorders and motivates the need for further research to determine the optimal risk-assessment for living donor candidates to recipients with aHUS and C3G.
    MeSH term(s) Humans ; Pilot Projects ; Complement Pathway, Alternative ; Atypical Hemolytic Uremic Syndrome ; Retrospective Studies ; Propensity Score ; Kidney ; Kidney Diseases/complications ; Thrombotic Microangiopathies ; Complement System Proteins ; Hypertension/complications ; Proteinuria/complications
    Chemical Substances Complement System Proteins (9007-36-7)
    Language English
    Publishing date 2023-02-20
    Publishing country Italy
    Document type Journal Article ; Research Support, Non-U.S. Gov't
    ZDB-ID 1093991-x
    ISSN 1724-6059 ; 1120-3625 ; 1121-8428
    ISSN (online) 1724-6059
    ISSN 1120-3625 ; 1121-8428
    DOI 10.1007/s40620-023-01588-x
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  6. Article ; Online: Long-Term Outcomes of Living-Related Kidney Donation for Alport Syndrome Spectrum: A Propensity Score-Matched Analysis.

    Oto, Ozgur Akin / Safak, Seda / Mirioglu, Safak / Yelken, Berna / Velioglu, Arzu / Dirim, Ahmet Burak / Guller, Nurana / Yildiz, Abdulmecit / Ersoy, Alparslan / Turkmen, Aydin / Yazici, Halil / Lentine, Krista L / Caliskan, Yasar

    American journal of nephrology

    2022  Volume 53, Issue 8-9, Page(s) 628–635

    Abstract: Introduction: Data to guide the evaluation of living-related donor candidates for kidney transplant recipients with Alport syndrome (AS) spectrum are limited. We aimed to examine a cohort of living-related donors to recipients with AS and compare their ... ...

    Abstract Introduction: Data to guide the evaluation of living-related donor candidates for kidney transplant recipients with Alport syndrome (AS) spectrum are limited. We aimed to examine a cohort of living-related donors to recipients with AS and compare their outcomes with a control group to improve understanding of the clinical course and outcomes of living donation in this context.
    Methods: Living donors (LDs) of AS recipients and propensity score-matched control LDs without any family history of AS (control group) were followed for major cardiac events, death, post-donation estimated glomerular filtration rate (eGFR), and proteinuria.
    Results: There were 31 LDs (48.4% male), in whom relationship to AS recipient included mother (45.2%), father (32.3%), sibling (16.1%), grandparent (3.2%), and uncle (3.2%). Long-term outcomes over 10.0 (IQR, 3.0-15.0) years were evaluated in 25 and 25 LDs from study and control groups, respectively. During follow-up, 5 LDs (20.0%) in study group developed major cardiac event (acute coronary ischemia [n = 4] and severe congestive heart failure [n = 1]) after 5.5 (IQR, 4.5-10.3) years, whereas only 2 (8.0%) LDs in control group developed major cardiac events (p = 0.221). New-onset hypertension was higher in study group (56.0%) compared to the control group (16.0%) (p = 0.003). Three donors in study and 2 donors in control group who developed new-onset hypertension died during follow-up (p = 0.297). Major cardiac event rate was significantly higher in donors who developed hypertension after donation (0 vs. 28.0%, p < 0.001). There were no differences between study groups regarding last eGFR and proteinuria levels (p = 0.558 and p = 0.120, respectively).
    Discussion/conclusion: Although the risk of kidney disease can be minimized by careful donor evaluation, our findings suggest that hypertension risk after the donation is higher than expected in related donors of recipients with AS.
    MeSH term(s) Male ; Humans ; Female ; Nephritis, Hereditary/epidemiology ; Kidney Transplantation/adverse effects ; Propensity Score ; Living Donors ; Kidney ; Glomerular Filtration Rate ; Proteinuria/epidemiology ; Proteinuria/etiology ; Hypertension/epidemiology ; Hypertension/etiology ; Nephrectomy
    Language English
    Publishing date 2022-11-08
    Publishing country Switzerland
    Document type Journal Article
    ZDB-ID 604540-6
    ISSN 1421-9670 ; 0250-8095
    ISSN (online) 1421-9670
    ISSN 0250-8095
    DOI 10.1159/000527180
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  7. Article ; Online: Oligosymptomatic Kidney Transplant Patients With COVID-19: Do They Pose a Risk to Other Recipients?

    Kocak, Burak / Arpali, Emre / Akyollu, Basak / Yelken, Berna / Tekin, Suda / Kanbay, Mehmet / Turkmen, Aydin / Kalayoglu, Munci

    Transplantation proceedings

    2020  Volume 52, Issue 9, Page(s) 2663–2666

    Abstract: The clinical course of viral infections in patients under immunosuppression can be atypical and/or fatal if not diagnosed and treated appropriately. The coronavirus disease 2019 (COVID-19) may also have an atypical presentation. Contrary to the general ... ...

    Abstract The clinical course of viral infections in patients under immunosuppression can be atypical and/or fatal if not diagnosed and treated appropriately. The coronavirus disease 2019 (COVID-19) may also have an atypical presentation. Contrary to the general opinion, transplant patients may be asymptomatic or oligosymptomatic, which could be a risk factor for underdiagnosis and the dissemination of this viral disease. This study presents the clinical features of 2 oligosymptomatic kidney transplant patients diagnosed with COVID-19. We suggest that new screening algorithms for COVID-19 should be reconsidered for the transplant patient population.
    MeSH term(s) Adult ; Betacoronavirus ; COVID-19 ; Coronavirus Infections/immunology ; Female ; Humans ; Immunocompromised Host ; Immunosuppressive Agents/therapeutic use ; Kidney Transplantation ; Middle Aged ; Pandemics ; Pneumonia, Viral/immunology ; Risk Factors ; SARS-CoV-2 ; Transplant Recipients
    Chemical Substances Immunosuppressive Agents
    Keywords covid19
    Language English
    Publishing date 2020-05-15
    Publishing country United States
    Document type Case Reports ; Journal Article
    ZDB-ID 82046-5
    ISSN 1873-2623 ; 0041-1345
    ISSN (online) 1873-2623
    ISSN 0041-1345
    DOI 10.1016/j.transproceed.2020.05.028
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  8. Article: Case report: A kidney transplant patient with mild COVID-19

    Arpali, Emre / Akyollu, Basak / Yelken, Berna / Tekin, Suda / Turkmen, Aydin / Kocak, Burak

    Transpl Infect Dis

    Abstract: Coronavirus Disease 2019 (COVID-19) is currently a pandemic with a mortality rate of 1%-6% in the general population. However, the mortality rate seems to be significantly higher in elderly patients, especially those hospitalized with comorbidities, such ...

    Abstract Coronavirus Disease 2019 (COVID-19) is currently a pandemic with a mortality rate of 1%-6% in the general population. However, the mortality rate seems to be significantly higher in elderly patients, especially those hospitalized with comorbidities, such as hypertension, diabetes, or coronary artery diseases. Because viral diseases may have atypical presentations in immunosuppressed patients, the course of the disease in the transplant patient population is unknown. Hence, the management of these patients with COVID-19 is an area of interest, and a unique approach is warranted. Here, we report the clinical features and our treatment approach for a kidney transplant patient with a diagnosis of COVID-19. We believe that screening protocols for SARS-Cov-2 should be re-evaluated in patients with solid-organ transplants.
    Keywords covid19
    Publisher WHO
    Document type Article
    Note WHO #Covidence: #73020
    Database COVID19

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  9. Book ; Online: Oligosymptomatic kidney transplant patients with COVID-19

    Arpalı, Emre / Akyollu, Başak / Koçak, Burak / Yelken, Berna / Kalayoğlu, Münci / Türkmen, Aydın / Koruk, Süda Tekin / Kanbay, Mehmet (ORCID 0000-0002-1297-0675 & YÖK ID 110580)

    Transplantation Proceedings

    do they pose a risk to other recipients?

    2020  

    Abstract: The clinical course of viral infections in patients under immunosuppression can be atypical and/or fatal if not diagnosed and treated appropriately. The coronavirus disease 2019 (COVID-19) may also have an atypical presentation. Contrary to the general ... ...

    Abstract The clinical course of viral infections in patients under immunosuppression can be atypical and/or fatal if not diagnosed and treated appropriately. The coronavirus disease 2019 (COVID-19) may also have an atypical presentation. Contrary to the general opinion, transplant patients may be asymptomatic or oligosymptomatic, which could be a risk factor for underdiagnosis and the dissemination of this viral disease. This study presents the clinical features of 2 oligosymptomatic kidney transplant patients diagnosed with COVID-19. We suggest that new screening algorithms for COVID-19 should be reconsidered for the transplant patient population.
    Keywords Medicine ; Middle East respiratory syndrome coronavirus ; Coronavirus infections ; covid19
    Language English
    Publisher Elsevier
    Publishing country tr
    Document type Book ; Online
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

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  10. Article ; Online: Case report

    Arpali, Emre / Akyollu, Basak / Yelken, Berna / Tekin, Suda / Turkmen, Aydin / Kocak, Burak

    Transplant Infectious Disease

    A kidney transplant patient with mild COVID‐19

    2020  Volume 22, Issue 4

    Keywords Transplantation ; Infectious Diseases ; covid19
    Language English
    Publisher Wiley
    Publishing country us
    Document type Article ; Online
    ZDB-ID 1476094-0
    ISSN 1399-3062 ; 1398-2273
    ISSN (online) 1399-3062
    ISSN 1398-2273
    DOI 10.1111/tid.13296
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

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