Olfactory disorders: the patients' view

Landis, Basile Nicolas; Stow, Nicholas W.; Lacroix, Jean‐Silvain; Hugentobler, Max Anselme; Hummel, Thomas

doi:10.4193/rhin08.174

Cited by 32 publications

(34 citation statements)

References 18 publications

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“…30 Resolution of anosmia is unlikely in most cases because the majority of patients with olfaction problems receive from their physician no, unclear, or unsatisfactory information about their diagnosis and prognosis. 31 This is not surprising considering that few validated tests exist for physicians to use in the assessment of smell function. 32 The most common known etiologies for anosmia are nasal/sinus congestion, upper respiratory tract infection, current smoking, head trauma, stroke, and epilepsy.…”

Section: Discussionmentioning

confidence: 99%

A possible correlation between vitamin D deficiency and loss of smell: 2 case reports

Kruse¹,

Cambron

2011

Journal of Chiropractic Medicine

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Objective: The purpose of this report is to present 2 cases of diminished olfaction that improved with increasing serum levels of vitamin D3. Clinical Features: Both patients were under the care of medical and chiropractic physicians for various complaints. A 47-year-old hyposmic woman was diagnosed with vitamin D deficiency who incidentally noticed a progressive return of her sense of smell while taking vitamin D supplements as prescribed by her medical doctor. A 34-year-old anosmic woman noticed a direct relationship with her ability to smell and vitamin D3 supplementation. Intervention and Outcome: Treatment for the first patient consisted of vitamin D supplementation of 10 000 IU a day. Her serum D3 levels increased substantially over a period of 8 months, at which time she reported a marked improvement in her sense of smell. The second patient was prescribed 50 000 IU of vitamin D a week; and she reported an increased ability to smell, although only the strongest of odors. Conclusion: A link between hypovitaminosis D and a diminished sense of smell was noted in these 2 individuals.

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Section: Discussionmentioning

confidence: 99%

A possible correlation between vitamin D deficiency and loss of smell: 2 case reports

Kruse¹,

Cambron

2011

Journal of Chiropractic Medicine

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“…Since curative treatment for olfactory disorders is not always possible, serious counseling concerning possible prognosis and evolution becomes more important [16] . With the present data we hope to provide valuable prognostic information when it comes to give possible outlooks for symptom evolution to patients with phantosmia.…”

Section: Discussionmentioning

confidence: 99%

Idiopathic Phantosmia: Outcome and Clinical Significance

Landis¹,

Reden²,

Haehner³

2010

ORL

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Background/Aim: Little is known about the clinical significance of phantosmia. The literature on phantosmia indicates that this symptom has a wide range of differential diagnoses. However, most cases of phantosmia remain of unknown origin. Our goal was to follow up patients with idiopathic phantosmia, with special regard to improvement rates and possible severe health conditions preceded by phantosmia of unknown origin. Methods: Forty-four patients with idiopathic phantosmia which had consulted our Ear-Nose-Throat Smell and Taste Clinic over the last 10 years were contacted by telephone and underwent a structured medical interview. Results: None of the patients had developed any severe health condition or Parkinson’s disease. More than 5 years after the occurrence of phantosmia, more than 50% of the patients experienced disappearance (31.8%) or improvement (25%). In the remaining cases, phantosmia did not change (38.7%) or became worse (<5%). Conclusion: The main findings of the present study were that idiopathic phantosmia improves or disappears in almost two thirds of the patients after more than 5 years, and that idiopathic phantosmia seems to be more likely a harmless symptom rather than a reliable predictor of early Parkinson’s disease or other severe diseases.

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“…Betroffene können zusätzlich auf Informationen im Internet [1,8] hingewiesen werden. In einer vorausgegangenen Untersuchung zeigten sich 60% der von einer Riechstö-rung betroffenen Patienten schlecht informiert über die Gesundheitsstörung und deren Folgen [15]. In dieser Studie wurden keine konkreten Gefährdungssituationen bzw.…”

Section: » Bei Mindestens 10%unclassified

“…Diese und weitere Beobachtungen waren Anlass, der Frage nachzugehen, ob es sich um Einzelfälle handelt oder ob es generelle Defizite in der Aufklä-rung und Beratung von Patienten mit Riechstörungen gibt. Es liegt bislang lediglich eine Studie vor, in der anhand eines Fragebogens und eines validierten Riechtests die Informiertheit betroffener Patienten untersucht worden ist [15]. Dieser Frage kommt insofern eine große Bedeutung zu, als eine Beeinträchtigung des Riechvermögens in der Bevölkerung häufig ist.…”

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Haxel

Nisius

Fruth

et al. 2012

HNO

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Olfactory dysfunctions are common with a prevalence of up to 20% in the population. An impaired sense of smell can lead to specific dangers, therefore, counseling and warning of hazardous situations to raise patient awareness is an important medical function. In this study 105 patients presenting to the University of Mainz Medical Centre with dysosmia were evaluated using a questionnaire. For quantification of the olfactory dysfunction a standardized olfactory test (Sniffin' Sticks) was used. Of the patients 46% were hyposmic and 40% were functionally anosmic. The median duration of the olfactory impairment was 10 months and the main causes of dysosmia were upper respiratory tract infections and idiopathic disorders. More than 90% of the patients consulted an otorhinolaryngologist and 60% a general practitioner before presenting to the University of Mainz Medical Center. More than two thirds of the patients conducted a professional activity, 95% of patients reported that they had not received any medical counseling and 6% of the subjects were forced to discontinue their profession because of olfactory dysfunction. In patients with olfactory dysfunctions appropriate diagnostics, including olfactometry should be performed. Furthermore, correct medical counseling concerning necessary additional arrangements (e.g. installation of smoke or gas detectors, precautions while cooking or for hygiene) has to be performed. For patients in a profession an analysis of the hazards at work is crucial.

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Olfactory disorders: the patients' view

Cited by 32 publications

References 18 publications

A possible correlation between vitamin D deficiency and loss of smell: 2 case reports

A possible correlation between vitamin D deficiency and loss of smell: 2 case reports

Idiopathic Phantosmia: Outcome and Clinical Significance

Defizite der ärztlichen Beratung bei Riechstörungen

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