Tracing Spasmodic Dysphonia: The Source of Ludwig Traube's Priority.

Area of Science:

• Laryngology
• Medical History
• Speech-Language Pathology

Background:

• Ludwig Traube's 1871 case of "spastic form of nervous hoarseness" is historically prioritized as the first description of spasmodic dysphonia (SD).
• This study investigates the foundational role of Traube's case in understanding laryngeal movement disorders.
• Bibliographical and bibliometric methods were employed, including translation of the original German paper.

Discussion:

• Secondary citations in contemporary literature often credit Traube with establishing SD as a clinical entity.
• However, Traube's original case does not align with the currently accepted diagnostic features of spasmodic dysphonia.
• Citation analysis reveals that the priority given to Traube's case originates from mid-20th-century publications, particularly Arnold and Luchsinger's 1965 textbook.

Key Insights:

• The historical attribution of Traube's case as the origin of spasmodic dysphonia appears to be a perpetuation of factual misrepresentation through secondary citations.
• Traube's original case description does not meet the diagnostic criteria for spasmodic dysphonia as understood by modern clinicians.
• The influential 1965 textbook by Arnold and Luchsinger, used for training clinicians, significantly contributed to the citation legacy of Traube's case.

Outlook:

• Medical literature must critically evaluate the origins of cited information to prevent the inadvertent spread of inaccuracies.
• Revisiting and accurately interpreting 19th-century literature on voice disorders can offer valuable insights for contemporary clinical practice.
• Further research into the historical evolution of diagnosing laryngeal movement disorders is warranted.