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Endocrine

, Volume 52, Issue 2, pp 236–243 | Cite as

Flavor perception test: evaluation in patients with Kallmann syndrome

  • Luigi Maione
  • Elena Cantone
  • Immacolata Cristina Nettore
  • Gaetana Cerbone
  • Davide De Brasi
  • Nunzia Maione
  • Jacques Young
  • Carolina Di Somma
  • Antonio Agostino Sinisi
  • Maurizio Iengo
  • Paolo Emidio Macchia
  • Rosario Pivonello
  • Annamaria Colao
Endocrine Methods and Techniques

Abstract

In Kallmann syndrome (KS), congenital hypogonadism is associated with olfactory impairment. To evaluate flavor perception-related disability in KS patients, 30 patients with KS, 12 with normosmic hypogonadism (nIHH), 24 with acquired anosmia (AA), and 58 healthy controls entered the study. All participants completed questionnaires concerning dietary habits, olfaction-related quality of life (QoL), and self-determined olfactory, flavor, and taste abilities prior to undergoing standardized olfactometry and gustometry. Each subject underwent flavor testing, using orally administered aqueous aromatic solutions, identifying 21 different compounds by choosing each out of 5 alternative items. Flavor score (FS) was calculated as the sum of correct answers (range 0–21). Flavor perception by self-assessment was similar between KS, nIHH, and controls, and was mostly reduced only in AA. FS was similar between KS (5.4 ± 1.4) and AA (6.4 ± 1.9), and lower than in nIHH (16.2 ± 2.4, p < 0.001) and controls (16.8 ± 1.7, p < 0.0001). FS showed strong reproducibility, and correlated with olfactory scores in the overall population. KS and AA patients identified aromatics eliciting trigeminal stimulation better than pure odorants. Olfaction-related QoL was more impaired in AA than in KS. We report significant flavor impairment in KS. This contrasts with routine clinic evidence; KS patients, in contrast with AA, do not complain of flavor perception impairment, perhaps owing to the congenital nature of the dysfunction. Flavor perception impairment should be considered a specific KS disability, because of important detrimental effects on physical and mental health and on QoL. KS patients should also be advised of this impairment in order to prevent accidental and life-threatening events.

Keywords

Kallmann syndrome Flavor Taste Hypogonadism Olfaction Fertility 

Notes

Acknowledgments

We thank the Campus Salute Onlus for collaborating with Federico II University, and for allowing the enrolment of a sample population drawn from educational and preventive medical programs particularly addressed to the general population. We are grateful to Dr Corinne Eloit for her competence and expertise in the domain of sensorineural abilities, and for her inspiring insights. We are indebted to Donato Creti, Francesca Trapani, and the entire team at Enrico GIOTTI spa for their commitment and for providing facilities to prepare and distribute the aromatic bases used in this study.

Compliance with ethical standards

Conflict of interest

All the Authors of this study declare they have no conflict of interest.

Supplementary material

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Copyright information

© Springer Science+Business Media New York 2015

Authors and Affiliations

  • Luigi Maione
    • 1
  • Elena Cantone
    • 2
  • Immacolata Cristina Nettore
    • 1
  • Gaetana Cerbone
    • 3
  • Davide De Brasi
    • 4
  • Nunzia Maione
    • 2
  • Jacques Young
    • 5
  • Carolina Di Somma
    • 6
  • Antonio Agostino Sinisi
    • 7
  • Maurizio Iengo
    • 2
  • Paolo Emidio Macchia
    • 1
  • Rosario Pivonello
    • 1
  • Annamaria Colao
    • 1
  1. 1.Dipartimento di Medicina Clinica e Chirurgia, Area Funzionale di EndocrinologiaUniversità degli Studi di Napoli Federico IINaplesItaly
  2. 2.Dipartimento di Neuroscienze e Scienze Riproduttive ed Odontostomatologiche, UOC di OtorinolaringoiatriaUniversità degli Studi di Napoli Federico IINaplesItaly
  3. 3.Dipartimento Materno Infantile, U.O. Genetica MedicaL’Azienda Ospedaliera di Rilievo Nazionale e di Alta Specialità San Giuseppe MoscatiAvellinoItaly
  4. 4.Dipartimento dei Servizi A.O.R.N. Antonio CardarelliUnità Operativa Struttura Complessa U.O.S.C. di Genetica MedicaNaplesItaly
  5. 5.Service d’Endocrinologie et Maladies de la Reproduction, Assistance Publique Hôpitaux de ParisHôpital de Bicêtre, Université Paris SudLe Kremlin-BicêtreFrance
  6. 6.IRCCS Istituto di Ricerca Diagnostica e Nucleare SDNNaplesItaly
  7. 7.Dipartimento di Scienze Cardio-Toraciche e RespiratorieSeconda Università Degli Studi di NapoliNaplesItaly

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