Cornea in acromegalic patients as a possible target of growth hormone action.

Gaetano Lodato, Alessandro Ciresi, Carla Giordano, Marco Calogero Amato, Aldo Galluzzo, Daniele Morreale Bubella, Ciresi, Carla Giordano, Lodato, Morreale, Lodato, Aldo Galluzzo, Marco Amato

Risultato della ricerca: Articlepeer review

25 Citazioni (Scopus)

Abstract

GH exerts its effects on many organs and the eye also seems to be a target site, although few authors have investigated the corneal thickness in patients with acromegaly. To perform a detailed ophthalmological evaluation in acromegalic patients, in relation to disease activity. Twenty-eight acromegalic patients (11 males, 17 females) and 22 voluntary healthy subjects underwent complete metabolic and ophthalmological evaluation, including retinal thickness (RT), central corneal thickness (CCT), and intraocular pressure values (IOP). Significantly greater CCT values were found in all acromegalic patients in comparison with controls (567 vs 528.5 μm; p<0.001), without concomitant greater corrected IOP. No difference was found for RT. Analyzing these data according to disease activity, uncontrolled patients showed greater CCT values (573.5 vs 559 μm; p=0.002) and corrected IOP (17.4 vs 16 mmHg; p=0.001) than the controlled ones. CCT also correlated with basal and nadir GH after oral glucose load levels, IGF-I levels, and duration of active disease. Acromegaly is characterized by greater CCT values, supporting the hypothesis that GH excess may have stimulatory effects on the cornea as well as on other target organs. Higher GH levels, disease control status and duration of active disease seem to be the main causes of increased corneal thickness. We suggest a careful and detailed corneal evaluation in acromegalic patients to prevent the potential risk of increased IOP, in addition to the already-known complications.
Lingua originaleEnglish
pagine (da-a)e30-e35
Numero di pagine6
RivistaJournal of Endocrinological Investigation
Volume34
Stato di pubblicazionePublished - 2011

All Science Journal Classification (ASJC) codes

  • Endocrinology, Diabetes and Metabolism
  • Endocrinology

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