LIVIVO - The Search Portal for Life Sciences

zur deutschen Oberfläche wechseln
Advanced search

Search results

Result 1 - 4 of total 4

Search options

  1. Article ; Online: Central precocious puberty in boys: secular trend and clinical features.

    Huttunen, Heta / Kärkinen, Juho / Varimo, Tero / Miettinen, Päivi J / Raivio, Taneli / Hero, Matti

    European journal of endocrinology

    2024  Volume 190, Issue 3, Page(s) 211–219

    Abstract: Objective: Recent studies suggest that boys enter puberty at a younger age, and the incidence of male central precocious puberty (CPP) is increasing. In this study, we explore the incidence of male CPP and identify key clinical and auxological ... ...

    Abstract Objective: Recent studies suggest that boys enter puberty at a younger age, and the incidence of male central precocious puberty (CPP) is increasing. In this study, we explore the incidence of male CPP and identify key clinical and auxological indicators for organic CPP (OCPP).
    Design: A retrospective registry-based study.
    Methods: The medical records of 43 boys treated with CPP at the Helsinki University Hospital between 1985 and 2014 were reviewed. Clinical, auxological, and endocrine data of the CPP patients were included in the analyses.
    Results: Based on brain MRI, 26% of patients had OCPP. Between 2010 and 2014, the CPP incidence in boys was 0.34 per 10 000 (95% CI 0.20-0.60). Between 1990 and 2014, the male CPP incidence increased (incidence rate ratio [IRR] 1.10, P = .001). This increase was driven by rising idiopathic CPP (ICPP) incidence (IRR 1.11, 95% CI 1.05-1.19, P < .001), while OCPP incidence remained stable (P = .41). Compared with the patients with ICPP, the patients with OCPP were younger (P = .006), were shorter (P = .003), and had higher basal serum testosterone levels (P = .038). Combining 2 to 4 of these readily available clinical cues resulted in good to excellent (all, area under the curve 0.84-0.97, P < .001) overall performance, differentiating organic etiology from idiopathic.
    Conclusions: The estimated incidence of CPP in boys was 0.34 per 10 000, with 26% of cases associated with intracranial pathology. The increase in CPP incidence was driven by rising ICPP rates. Patients with OCPP were characterized by shorter stature, younger age, and higher basal testosterone levels, providing valuable cues for differentiation in addition to brain MRI. Utilizing multiple cues could guide diagnostic decision-making.
    MeSH term(s) Humans ; Male ; Luteinizing Hormone ; Puberty, Precocious/diagnosis ; Puberty, Precocious/epidemiology ; Follicle Stimulating Hormone ; Retrospective Studies ; Testosterone ; Gonadotropin-Releasing Hormone
    Chemical Substances Luteinizing Hormone (9002-67-9) ; Follicle Stimulating Hormone (9002-68-0) ; Testosterone (3XMK78S47O) ; Gonadotropin-Releasing Hormone (33515-09-2)
    Language English
    Publishing date 2024-03-27
    Publishing country England
    Document type Journal Article
    ZDB-ID 1183856-5
    ISSN 1479-683X ; 0804-4643
    ISSN (online) 1479-683X
    ISSN 0804-4643
    DOI 10.1093/ejendo/lvae021
    Database MEDical Literature Analysis and Retrieval System OnLINE

    More links

    Kategorien

  2. Article ; Online: Serum testosterone and oestradiol predict the growth response during puberty promoting treatment.

    Huttunen, Heta / Varimo, Tero / Huopio, Hanna / Voutilainen, Raimo / Tenhola, Sirpa / Miettinen, Päivi J / Raivio, Taneli / Hero, Matti

    Clinical endocrinology

    2021  Volume 96, Issue 2, Page(s) 220–226

    Abstract: Objective: The influence of androgens and oestrogens on growth is complex, and understanding their relative roles is important for optimising the treatment of children with various disorders of growth and puberty.: Design: We examined the ... ...

    Abstract Objective: The influence of androgens and oestrogens on growth is complex, and understanding their relative roles is important for optimising the treatment of children with various disorders of growth and puberty.
    Design: We examined the proportional roles of androgens and oestrogens in the regulation of pubertal growth in boys with constitutional delay of growth and puberty (CDGP). The study compared 6-month low-dose intramuscular testosterone treatment (1 mg/kg/month; n = 14) with per oral letrozole treatment (2.5 mg/day; n = 14) which inhibits conversion of androgens to oestrogen.
    Patients: Boys with CDGP were recruited to a randomized, controlled, open-label trial between 2013 and 2017 (NCT01797718).
    Measurements: The patients were evaluated at 0-, 3- and 6-month visits, and morning blood samples were drawn. Linear regression models were used for data analyses.
    Results: In the testosterone group (T-group), serum testosterone concentration correlated with serum oestradiol concentration at the beginning of the study and at 3 months, whereas in the letrozole group (Lz-group) these sex steroids correlated only at baseline. Association between serum testosterone level and growth velocity differed between the T and Lz groups, as each nmol/L increase in serum testosterone increased growth velocity 2.7 times more in the former group. Serum testosterone was the best predictor of growth velocity in both treatment groups. In the Lz-group, adding serum oestradiol to the model significantly improved the growth estimate. Only the boys with serum oestradiol above 10 pmol/L had a growth velocity above 8 cm/year.
    Conclusions: During puberty promoting treatment with testosterone or aromatase inhibitor letrozole, growth response is tightly correlated with serum testosterone level. A threshold level of oestrogen appears to be needed for an optimal growth rate that corresponds to normal male peak height velocity of puberty. Serum testosterone 1 week after the injection and serum testosterone and oestradiol 3 months after the onset of aromatase inhibitor treatment can be used as biomarkers for treatment response in terms of growth.
    MeSH term(s) Body Height ; Child ; Estradiol ; Humans ; Letrozole ; Male ; Puberty ; Puberty, Delayed ; Testosterone
    Chemical Substances Testosterone (3XMK78S47O) ; Estradiol (4TI98Z838E) ; Letrozole (7LKK855W8I)
    Language English
    Publishing date 2021-10-01
    Publishing country England
    Document type Journal Article ; Randomized Controlled Trial
    ZDB-ID 121745-8
    ISSN 1365-2265 ; 0300-0664
    ISSN (online) 1365-2265
    ISSN 0300-0664
    DOI 10.1111/cen.14605
    Database MEDical Literature Analysis and Retrieval System OnLINE

    More links

    Kategorien

  3. Article: The Role of

    Huttunen, Heta / Hero, Matti / Lääperi, Mitja / Känsäkoski, Johanna / Swan, Heikki / Hirsch, Joel A / Miettinen, Päivi J / Raivio, Taneli

    Frontiers in endocrinology

    2018  Volume 9, Page(s) 194

    Abstract: Objective: Two missense mutations in : Design: Medical records of 104 patients with LQT1 in a single tertiary care center between 1995 and 2015 were retrospectively reviewed.: Methods: Clinical and endocrine data of the LQT1 patients were included ...

    Abstract Objective: Two missense mutations in
    Design: Medical records of 104 patients with LQT1 in a single tertiary care center between 1995 and 2015 were retrospectively reviewed.
    Methods: Clinical and endocrine data of the LQT1 patients were included in the analyses.
    Results: At birth, patients with a maternally inherited mutation (
    Conclusion: Loss-of-function mutations in
    Language English
    Publishing date 2018-04-24
    Publishing country Switzerland
    Document type Journal Article
    ZDB-ID 2592084-4
    ISSN 1664-2392
    ISSN 1664-2392
    DOI 10.3389/fendo.2018.00194
    Database MEDical Literature Analysis and Retrieval System OnLINE

    More links

    Kategorien

  4. Article: Precocious Puberty or Premature Thelarche: Analysis of a Large Patient Series in a Single Tertiary Center with Special Emphasis on 6- to 8-Year-Old Girls.

    Varimo, Tero / Huttunen, Heta / Miettinen, Päivi Johanna / Kariola, Laura / Hietamäki, Johanna / Tarkkanen, Annika / Hero, Matti / Raivio, Taneli

    Frontiers in endocrinology

    2017  Volume 8, Page(s) 213

    Abstract: Introduction: We describe the etiology, MRI findings, and growth patterns in girls who had presented with signs of precocious puberty (PP), i.e., premature breast development or early menarche. Special attention was paid to the diagnostic findings in 6- ...

    Abstract Introduction: We describe the etiology, MRI findings, and growth patterns in girls who had presented with signs of precocious puberty (PP), i.e., premature breast development or early menarche. Special attention was paid to the diagnostic findings in 6- to 8-year-olds.
    Materials and methods: We reviewed the medical records of 149 girls (aged 0.7-10.3 years) who had been evaluated for PP in the Helsinki University Hospital between 2001 and 2014.
    Results: In 6- to 8-year-old girls, PP was most frequently caused by idiopathic gonadotropin-releasing hormone (GnRH)-dependent PP (60%) and premature thelarche (PT; 39%). The former subgroup grew faster (8.7 ± 2.0 cm/year,
    Conclusion: In 6- to 8-year-old girls, analysis of growth velocity is helpful in differentiating between PT and GnRH-dependent PP. Although the frequency of clinically relevant intracranial findings in previously healthy, asymptomatic 6- to 8-year-old girls was low, they can present without any signs or symptoms, which favors routine MRI imaging also in this age group.
    Language English
    Publishing date 2017
    Publishing country Switzerland
    Document type Journal Article
    ZDB-ID 2592084-4
    ISSN 1664-2392
    ISSN 1664-2392
    DOI 10.3389/fendo.2017.00213
    Database MEDical Literature Analysis and Retrieval System OnLINE

    More links

    Kategorien

To top