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  1. Article ; Online: Congenital nephrotic syndrome: is early aggressive treatment needed? Yes.

    Hölttä, Tuula / Jalanko, Hannu

    Pediatric nephrology (Berlin, Germany)

    2020  Volume 35, Issue 10, Page(s) 1985–1990

    Abstract: Congenital nephrotic syndrome (CNS) was primarily considered one disease entity. Hence, one treatment protocol was proposed in the beginning to all CNS patients. Today, with the help of gene diagnostics, we know that CNS is a heterogeneous group of ... ...

    Abstract Congenital nephrotic syndrome (CNS) was primarily considered one disease entity. Hence, one treatment protocol was proposed in the beginning to all CNS patients. Today, with the help of gene diagnostics, we know that CNS is a heterogeneous group of disorders and therefore, different treatment protocols are needed. The most important gene defects causing CNS are NPHS1, NPHS2, WT1, LAMB2, and PLCE1. Before active treatment, all infants with CNS died. It was stated already in the mid-1980s that intensive medical therapy followed by kidney transplantation (KTx) should be the choice of treatment for infants with severe CNS. In Finland, early aggressive treatment protocol was adopted from the USA and further developed for treatment of children with the Finnish type of CNS. The aim of this review is to state reasons for "early aggressive treatment" including daily albumin infusions, intensified nutrition, and timely bilateral nephrectomy followed by KTx at the age of 1-2 years.
    MeSH term(s) Humans ; Infant ; Infusions, Intravenous ; Kidney Transplantation ; Nephrectomy ; Nephrotic Syndrome/diagnosis ; Nephrotic Syndrome/genetics ; Nephrotic Syndrome/mortality ; Nephrotic Syndrome/therapy ; Nutritional Support/methods ; Serum Albumin, Human/administration & dosage ; Severity of Illness Index ; Survival Analysis ; Time-to-Treatment ; Treatment Outcome
    Chemical Substances Serum Albumin, Human (ZIF514RVZR)
    Language English
    Publishing date 2020-05-06
    Publishing country Germany
    Document type Journal Article ; Research Support, Non-U.S. Gov't ; Review
    ZDB-ID 631932-4
    ISSN 1432-198X ; 0931-041X
    ISSN (online) 1432-198X
    ISSN 0931-041X
    DOI 10.1007/s00467-020-04578-4
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  2. Article ; Online: A Retrospective Study of Long-Term Outcomes in 16 ABO-Incompatible Deceased Donor Pediatric Liver Transplants from a National Transplant Center at Helsinki University Hospital, Finland, 1987-2022.

    Jahnukainen, Timo / Sareneva, Inna / Lauronen, Jouni / Ylinen, Elisa / Tainio, Juuso / Nordin, Arno / Hukkinen, Maria / Pakarinen, Mikko P / Jalanko, Hannu

    Annals of transplantation

    2024  Volume 29, Page(s) e941929

    Abstract: BACKGROUND The use of ABO-incompatible liver transplants (ABO-ILTs) from deceased donors has become more common due to the shortage of available donor livers and increased transplant waiting times. This retrospective study from a national transplant ... ...

    Abstract BACKGROUND The use of ABO-incompatible liver transplants (ABO-ILTs) from deceased donors has become more common due to the shortage of available donor livers and increased transplant waiting times. This retrospective study from a national transplant center at Helsinki University Hospital, Finland, aimed to assess the long-term outcomes of ABO-incompatible deceased donor pediatric liver transplants between 1987 and 2022. MATERIAL AND METHODS Sixteen (9.5%) of the 169 pediatric liver transplantations were ABO-ILTs. The median age at transplantation was 5.0 (0.5-15.4) years. Reasons for ABO-ILTs were acute liver failure (18.75%), malignancy (12.5%), small body size and long waiting time (25%), and other reasons (43.75%). The median post-transplant follow-up time was 147 (0.72-353) months. Patient and graft survival and occurrence of surgical complications were compared to ABO-identical transplants, and anti-ABO antibody titers were analyzed. RESULTS The 1-, 3-, and 5-year patient survivals were comparable between the ABO-I and ABO-compatible groups, being 81.3%, 73.9%, and 73.9% (ABO-I) and 87.5%, 82.5%, 77.9% (ABO-compatible), respectively. Three patients with ABO-ILTs died of sepsis and multiorgan failure during the first 3 months after transplantation. The occurrence of biliary complications and early vascular thrombosis (<30 days after transplantation) did not differ significantly between recipients with an ABO-ILT vs ABO-compatible liver graft. CONCLUSIONS The findings from this study support findings from previous studies that outcomes after ABO-incompatible liver transplants in children were comparable to outcomes from ABO-identical liver transplants.
    MeSH term(s) Child ; Humans ; Child, Preschool ; Adolescent ; Liver Transplantation/methods ; Retrospective Studies ; Finland ; Blood Group Incompatibility ; ABO Blood-Group System ; Hospitals ; Graft Survival ; Graft Rejection ; Living Donors
    Chemical Substances ABO Blood-Group System
    Language English
    Publishing date 2024-02-13
    Publishing country United States
    Document type Journal Article
    ZDB-ID 1484710-3
    ISSN 2329-0358 ; 1425-9524
    ISSN (online) 2329-0358
    ISSN 1425-9524
    DOI 10.12659/AOT.941929
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  3. Article ; Online: Pericardial Constriction and Myocardial Restriction in Pediatric Mulibrey Nanism: A Complex Disease With Diastolic Dysfunction.

    Sarkola, Taisto / Lipsanen-Nyman, Marita / Jalanko, Hannu / Jokinen, Eero

    CJC open

    2021  Volume 4, Issue 1, Page(s) 28–36

    Abstract: Background: Mulibrey nanism (MUL) is a rare condition with profound growth delay. Congestive heart failure is a major determinant of prognosis. The aim was to delineate pericardial constriction and myocardial functional abnormalities in a pediatric MUL ... ...

    Abstract Background: Mulibrey nanism (MUL) is a rare condition with profound growth delay. Congestive heart failure is a major determinant of prognosis. The aim was to delineate pericardial constriction and myocardial functional abnormalities in a pediatric MUL sample.
    Methods: A total of 23 MUL patients and 23 individually sex- and age-matched healthy control subjects were prospectively assessed in a cross-sectional study with echocardiography.
    Results: Clinical signs of heart failure were present in 7 MUL patients, with severe congestive heart failure in 2. Significant diastolic dysfunction, mainly related to constriction, was found in MUL patients without pericardiectomy (N = 18)-septal bounce, pronounced hepatic vein atrial reversal and right heart inflow-outflow variations, and decreased inferior vena cava collapse during respiration. The appearance of the pericardium was not different from that of control subjects. Longitudinal diastolic myocardial velocities were similar to those in control subjects, suggesting an absence of significant myocardial restriction. Right ventricular free wall longitudinal systolic strain and bilateral longitudinal myocardial systolic velocities were decreased in MUL patients, indicating mild biventricular systolic dysfunction. Myocardial motion abnormalities and persistent congestive heart failure were common (in 3 of 6) in MUL patients with a history of pericardiectomy. Cardiac dimensions were similar between MUL patients and control subjects when adjusting for body size, except for smaller biventricular volumes.
    Conclusions: MUL disease presents with significant constriction-related diastolic dysfunction and mild bilateral systolic dysfunction. Constriction-restriction assessments during follow-up could be of benefit in decision-making regarding pericardiectomy in MUL disease. Myocardial abnormalities were prevalent among MUL patients who had undergone pericardiectomy and are consistent with progression of myocardial disease in a significant proportion of patients.
    Language English
    Publishing date 2021-08-30
    Publishing country United States
    Document type Journal Article
    ISSN 2589-790X
    ISSN (online) 2589-790X
    DOI 10.1016/j.cjco.2021.08.012
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  4. Article ; Online: Physical performance after pediatric solid organ transplantation.

    Mäenpää, Heidi / Tainio, Juuso / Jalanko, Hannu / Arokoski, Jari / Jahnukainen, Timo

    Pediatric transplantation

    2021  Volume 26, Issue 2, Page(s) e14163

    Abstract: Introduction: Low physical activity is a well-recognized problem in pediatric solid organ transplant recipients; however, little is known about the differences between transplant groups. Physical performance testing was performed in a cohort of ... ...

    Abstract Introduction: Low physical activity is a well-recognized problem in pediatric solid organ transplant recipients; however, little is known about the differences between transplant groups. Physical performance testing was performed in a cohort of pediatric kidney, liver, and heart transplant recipients.
    Methods: Fifty-one patients (54.9% boys), including 17 liver, 20 kidney, 2 combined liver-kidney, and 12 heart transplant recipients, were tested at the median age of 11.5 (7.5-14.9) years. The results were compared with a control group, which consisted of 425 healthy schoolchildren. The physical performance test included six different tests of endurance, strength, flexibility, and speed.
    Results: The transplant recipients performed worse on most tests when compared with the control subjects (leg-lift test 42.0 vs. 44.9 repetitions, p = .002; repeated squatting 21.6 vs. 23.9 repetitions, p < .001; sit-up test 9 vs. 17 vs. 9 repetitions, p < .001, back extension 20 vs. 35 repetitions, p < .001; and shuttle run test 26.5 vs. 23.7 seconds, p < .001). None of the test results differed statistically significantly between the transplant groups.
    Conclusion: The physical performance of pediatric solid organ transplant recipients is lower than that of their healthy peers but do not differ between different transplant groups. More systematic rehabilitation programs and follow-up are needed.
    MeSH term(s) Adolescent ; Case-Control Studies ; Child ; Female ; Finland ; Heart Transplantation ; Humans ; Kidney Transplantation ; Liver Transplantation ; Male ; Organ Transplantation ; Physical Functional Performance ; Transplant Recipients
    Language English
    Publishing date 2021-10-18
    Publishing country Denmark
    Document type Journal Article
    ZDB-ID 1390284-2
    ISSN 1399-3046 ; 1397-3142
    ISSN (online) 1399-3046
    ISSN 1397-3142
    DOI 10.1111/petr.14163
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  5. Article ; Online: Male Sexual Function After Pediatric Kidney Transplantation-A Cross-sectional Nationwide Study.

    Tainio, Juuso / Jahnukainen, Timo / Jalanko, Hannu / Jahnukainen, Kirsi

    The journal of sexual medicine

    2020  Volume 17, Issue 10, Page(s) 2104–2107

    Abstract: ... dimensions of quality of life. Tainio J, Jahnukainen T, Jalanko H, et al. Male Sexual Function After ...

    Abstract Background: Data on adult sexual functioning after kidney transplantation (KTx) during childhood or adolescence are scarce.
    Aim: To assess the long-term sexual and psychosocial quality of life after pediatric KTx.
    Methods: 29 young men (median age 27.1 years) were examined 18.7 years (median) after KTx. 56 age-matched healthy men (median age 30.0 years) served as controls.
    Outcome: We studied the influence of sociodemographics, previous renal replacement therapy, current reproductive hormonal serum levels, testicular size, and data on several validated mental and physical questionnaires on participants' Derogatis Interview for Sexual Functioning self-report scores.
    Results: The KTx recipients had significantly poorer sexual functioning than their healthy peers. KTx men had less frequent sexual activity with a partner (P = .03) and poorer orgasms (P = .002) than the controls but no erectile dysfunction (P = .5).
    Clinical implications: Depressive symptoms, relationship status, and longer dialysis duration predicted poor adult sexual functioning in KTx recipients, whereas age at transplantation or at the time of the study did not.
    Strengths & limitations: This study contributes extended follow-up data to the very scarce literature on adult sexual functioning in pediatric KTx recipients. Relatively small population and low participation rate limit the comprehensive data interpretation in a population-based cohort of male KTx recipients.
    Conclusion: Sexual functioning is often impaired in young men after pediatric KTx, emphasizing the need for long-term monitoring of sexual health and sexuality as important dimensions of quality of life. Tainio J, Jahnukainen T, Jalanko H, et al. Male Sexual Function After Pediatric Kidney Transplantation-A Cross-sectional Nationwide Study. J Sex Med 2020;17:2104-2107.
    MeSH term(s) Adolescent ; Adult ; Child ; Cross-Sectional Studies ; Humans ; Kidney Transplantation/adverse effects ; Male ; Orgasm ; Quality of Life ; Sexual Behavior
    Language English
    Publishing date 2020-07-21
    Publishing country Netherlands
    Document type Case Reports ; Research Support, Non-U.S. Gov't
    ZDB-ID 2251959-2
    ISSN 1743-6109 ; 1743-6095
    ISSN (online) 1743-6109
    ISSN 1743-6095
    DOI 10.1016/j.jsxm.2020.06.011
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  6. Book ; Thesis: Alpha-Fetoprotein

    JALANKO, HANNU

    EXPRESSION IN NORMAL DEVELOPMENT AND IN EXPERIMENTAL LIVER CARCINOGENESIS

    1979  

    Size 43 S.
    Document type Book ; Thesis
    Thesis / German Habilitation thesis HELSINKI, UNIV., DISS., 1979
    HBZ-ID HT002693351
    ISBN 951-99236-1-6 ; 978-951-99236-1-1
    Database Catalogue ZB MED Medicine, Health

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  7. Article ; Online: Expression of fibrosis-related genes in liver allografts: Association with histology and long-term outcome after pediatric liver transplantation.

    Voutilainen, Silja H / Kosola, Silja K / Lohi, Jouko / Jahnukainen, Timo / Pakarinen, Mikko P / Jalanko, Hannu

    Clinical transplantation

    2021  Volume 35, Issue 8, Page(s) e14373

    Abstract: Background: Unexplained graft fibrosis and inflammation are common after pediatric liver transplantation (LT).: Objective: We investigated the graft expression of fibrogenic genes and correlated the findings with transplant histopathology and outcome. ...

    Abstract Background: Unexplained graft fibrosis and inflammation are common after pediatric liver transplantation (LT).
    Objective: We investigated the graft expression of fibrogenic genes and correlated the findings with transplant histopathology and outcome.
    Methods: Liver biopsies from 29 recipients were obtained at a median of 13.1 (IQR: 5.0-18.4) years after pediatric LT. Control samples were from six liver-healthy subjects. Hepatic expression of 40 fibrosis-related genes was correlated to histological findings: normal histology, fibrosis with no inflammation, and fibrosis with inflammation. Liver function was evaluated after a subsequent follow-up of 9.0 years (IQR: 8.0-9.4).
    Results: Patients with fibrosis and no inflammation had significantly increased gene expression of profibrotic TGF-β3 (1.17 vs. 1.02 p = .005), CTGF (1.64 vs. 0.66 p = .014), PDGF-α (1.79 vs. 0.98 p = .049), PDGF -β (0.99 vs. 0.76 p = .006), integrin-subunit-β1 (1.19 vs. 1.02 p = .045), α-SMA (1.12 vs. 0.58 p = .013), type I collagen (0.82 vs. 0.53 p = .005) and antifibrotic decorin (1.15 vs. 0.99 p = .045) compared to patients with normal histology. mRNA expression of VEGF A (0.84 vs. 1.06 p = .049) was lower. Only a few of the studied genes were upregulated in patients with both fibrosis and inflammation. The gene expression levels showed no association with later graft outcome.
    Conclusions: Altered hepatic expression of fibrosis-related genes is associated with graft fibrosis without concurrent inflammation.
    MeSH term(s) Allografts/pathology ; Child ; Fibrosis ; Humans ; Liver Cirrhosis/genetics ; Liver Cirrhosis/pathology ; Liver Transplantation
    Language English
    Publishing date 2021-06-27
    Publishing country Denmark
    Document type Journal Article ; Research Support, Non-U.S. Gov't
    ZDB-ID 639001-8
    ISSN 1399-0012 ; 0902-0063
    ISSN (online) 1399-0012
    ISSN 0902-0063
    DOI 10.1111/ctr.14373
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  8. Article ; Online: Long-term effects of paediatric kidney transplantation.

    Holmberg, Christer / Jalanko, Hannu

    Nature reviews. Nephrology

    2016  Volume 12, Issue 5, Page(s) 301–311

    Abstract: Renal transplantation in paediatric patients usually provides excellent short-term and medium-term results. Early diagnosis of chronic kidney disease and active therapy of end-stage renal disease before and after transplantation enables the majority of ... ...

    Abstract Renal transplantation in paediatric patients usually provides excellent short-term and medium-term results. Early diagnosis of chronic kidney disease and active therapy of end-stage renal disease before and after transplantation enables the majority of children to grow and develop normally. The adverse effects of immunosuppressive medication and reduced graft function might, however, hamper long-term outcomes in these patients and can lead to metabolic complications, cardiovascular disease, reduced bone health, and malignancies. The neurocognitive development and quality of life of paediatric transplant recipients largely depend on the primary diagnosis and on graft function. Poor adherence to immunosuppression is an important risk factor for graft loss in adolescents, and controlled transition to adult care is of utmost importance to ensure a continued normal life. In this Review, we discuss the outcomes and long-term effects of renal transplantation in paediatric recipients, including consequences on growth, development, bone, metabolic, and cardiovascular disorders. We discuss the key problems in the care of paediatric renal transplant recipients and the remaining challenges that should be the focus of future research.
    MeSH term(s) Age Factors ; Bone Density ; Child ; Child Development ; Cognition ; Graft Survival ; Human Growth Hormone/therapeutic use ; Humans ; Immunosuppressive Agents/adverse effects ; Kidney Failure, Chronic/etiology ; Kidney Failure, Chronic/therapy ; Kidney Transplantation/adverse effects ; Kidney Transplantation/mortality ; Kidney Transplantation/psychology ; Lymphoproliferative Disorders/etiology ; Metabolic Diseases/etiology
    Chemical Substances Immunosuppressive Agents ; Human Growth Hormone (12629-01-5)
    Language English
    Publishing date 2016-05
    Publishing country England
    Document type Journal Article ; Research Support, Non-U.S. Gov't ; Review
    ZDB-ID 2490366-8
    ISSN 1759-507X ; 1759-5061
    ISSN (online) 1759-507X
    ISSN 1759-5061
    DOI 10.1038/nrneph.2015.197
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  9. Article ; Online: Nephrin Trafficking beyond the Kidney--Role in Glucose-Stimulated Insulin Secretion in β Cells.

    Lehtonen, Sanna / Jalanko, Hannu

    Journal of the American Society of Nephrology : JASN

    2015  Volume 27, Issue 4, Page(s) 965–968

    MeSH term(s) Animals ; Female ; Humans ; Insulin/metabolism ; Insulin Secretion ; Male ; Membrane Proteins/physiology ; Receptor, Insulin/physiology ; Signal Transduction/physiology ; TOR Serine-Threonine Kinases/physiology
    Chemical Substances Insulin ; Membrane Proteins ; TOR Serine-Threonine Kinases (EC 2.7.1.1) ; Receptor, Insulin (EC 2.7.10.1)
    Language English
    Publishing date 2015-09-23
    Publishing country United States
    Document type Editorial ; Research Support, Non-U.S. Gov't ; Comment
    ZDB-ID 1085942-1
    ISSN 1533-3450 ; 1046-6673
    ISSN (online) 1533-3450
    ISSN 1046-6673
    DOI 10.1681/ASN.2015080960
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  10. Article ; Online: Long-term Outcome of Kidney Transplantation in 6 Patients With Autoimmune Polyendocrinopathy-candidiasis-ectodermal Dystrophy.

    Laakso, Saila / Kaijansinkko, Henna / Räisänen-Sokolowski, Anne / Jahnukainen, Timo / Kataja, Janne / Mäkitie, Outi / Helanterä, Ilkka / Jalanko, Hannu

    Transplantation

    2021  Volume 106, Issue 4, Page(s) e244–e246

    MeSH term(s) Humans ; Kidney Transplantation/adverse effects ; Mutation ; Polyendocrinopathies, Autoimmune/complications ; Polyendocrinopathies, Autoimmune/diagnosis ; Polyendocrinopathies, Autoimmune/genetics ; Transcription Factors/genetics
    Chemical Substances Transcription Factors
    Language English
    Publishing date 2021-11-30
    Publishing country United States
    Document type Journal Article ; Research Support, Non-U.S. Gov't
    ZDB-ID 208424-7
    ISSN 1534-6080 ; 0041-1337
    ISSN (online) 1534-6080
    ISSN 0041-1337
    DOI 10.1097/TP.0000000000003993
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