Subclinical Hypothyroidism, or as Asymptomatic or as Harmless

Hipertiroidismo

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Subclinical hypothyroidism, or as asymptomatic or as harmless

Asymptomatic subclinical hypothyroidism neither so nor so harmless

Marelys QuesadaI Yanes; Lisbet Rodriguez fernandezii; Jeddú HernándezIII Cruz; Silvia Turcios TristáIV; Miguel Angel Yanes QuesadaV

IEspecialista First Degree in General Medicine and Endocrinology. Assistant. Added researcher. INEN. Havana, Cuba.

IIEspecialista First Degree in Endocrinology. INEN. Havana, Cuba.

IIIEspecialista First Degree in General Medicine and Endocrinology. Assistant. Hospital "America Arias". Havana, Cuba.

IVEspecialista First Degree in General Medicine and Endocrinology. Added researcher. INEN. Havana, Cuba.

VEspecialista First Degree in General and Internal Medicine. Auxiliar teacher. Hospital "Hermanos Ameijeiras". Havana, Cuba.

SUMMARY

Subclinical hypothyroidism is the condition defined by elevated thyroid stimulating hormone in the presence of serum thyroid hormones (T3 and T4) to the normal reference range. Its clinical manifestations are not as zero as defined by the term subclinical. If a proper examination and clinical examination is done you can be found alterations in various organ systems affecting the quality of life of patients suffering and increase their morbidity and mortality. During pregnancy, the body has special attention because of the impact on the fetus of impaired development. In elderly patients is vital diagnosis, due to the increased prevalence of the entity in this group and the impact on quality of life. This paper aims to review the clinical alterations that may occur in subclinical hypothyroidism, and in special situations of life (pregnancy and old age).

Keywords: subclinical hypothyroidism.

ABSTRACT

Subclinical hypothyroidism is the condition defined by the raise of thyroid-stimulating hormone in Presence of natural thyroid hormone secretion (T3 and T4) for reference rank. Its clinical manifestations are not so nulls as subclinical define the term. If an Appropriate questioning and clinical examination is made it is possible to find Alterations in many systems and organs harming the quality of life of patients and to Increase STI Affected morbidity and mortality. During pregnancy esta entity Acquires a special attention due to repercussion on fetal development alteration. In elderly patients diagnosis is essential due to STI entity prevalence Increase on this group and the repercussion on quality of life. Aim of present paper is to review the clinical Alterations That May be present in subclinical hypothyroidism, as well as in Special Situations of life (pregnancy and senescence).

Key words: Subclinical hypothyroidism.

INTRODUCTION

Subclinical hypothyroidism (HS) is the condition defined by elevated normal thyroid stimulating hormone (TSH) in the presence of serum thyroid hormones (T3 and T4) for the range of referencia.1 Most cases of HS on our half due to the slow progression of autoimmune thyroid disease, and in these cases more than 80% of patients with positive antithyroid antibodies inevitably evolve to hypothyroidism franco.1,2 There are other causes of HS, such as surgery thyroid, radioiodine therapy and external neck irradiation, among others. The prevalence of this entity in the general population is 1 to 10%, and becomes 20% in women over 60, however it is very likely that there is an underreporting