Navigation Links
Two Distinct Types of Vocal Cord Dysfunction Identified

Two distinct phenotypes of vocal cord dysfunction (VCD) – an involuntary functional disorder during inspiration often misdiagnosed as asthma – were identified// in a long-term study published in the current issue of Annals of Allergy, Asthma & Immunology, the scientific journal of the American College of Allergy, Asthma and Immunology (ACAAI).

Investigators at the Pediatric Allergy and Pulmonary Division at the University of Iowa College of Medicine in Iowa City, Iowa, conducted a retrospective medical record review of 49 patients seen in the clinic who were diagnosed as having VCD. During the 13-year period, they observed two distinct clinical phenotypes: one group had VCD triggered only by exercise and the second group had spontaneous onset of symptoms not caused by exercise.

Devang R. Doshi, M.D., and Miles M. Weinberger, M.D., observed that speech therapy, the currently accepted preferred intervention, was recommended for all patients in the spontaneous VCD group. For patients with exercised-induced symptoms, seven were prescribed a metered-dose inhaler containing a short-acting anticholinergic agent, and the remainder received no treatment.

Authors noted that the diagnosis of VCD was based on "direct laryngoscopy, reversible inspiratory airflow obstruction with spirometry during observed symptoms, or a convincing history of episodic inspiratory stridor that was rapid in onset and rapidly reversible in the absence of any other findings."

The symptoms of VCD can be mistaken for asthma because both can include labored breathing, an inspiratory noise often described as wheezing, chest tightening and shortness of breath. In VCD the symptoms are a result of an abnormal closing of the vocal cords rather than inflammation of the airways, as in asthma.

Of the 49 patients in the original study population, 41 had previously been diagnosed as having asthma as a cause of their symptoms before the diagnosis of VCD w as established. Asthma was confirmed as a comorbidity in 12 of those patients.

The study also demonstrated that once diagnosed the long-term outcome of VCD is quite good. From the results of a structured telephone interview in 28 of the children and adolescents, the authors reported a complete absence of symptoms in 26 of the 28 contacted patients, at times ranging from one week to five years after the diagnosis.

"The positive outcomes data underscore that VCD appears to be a self-limited disorder once the diagnosis is made," wrote guest editorial author Michael O'Connell, M.D., of the University of Colorado Health Sciences Center in Aurora, Co. "This should energize us to encourage our colleagues in allergy-immunology and primary care to learn the characteristic presentations of this disorder so that the diagnosis can be made without delay."

(Source: Newswise)
'"/>




Related medicine news :

1. Distinct Brain Sections Are Activated While Making Risky Decisions
2. Distinct Support Services Needed, To Resurrect Ethnic Groups from Alcohol Abuse
3. Sunlight Could Be Beneficial For Certain Types Of Cancer
4. Different Types Of Multiple Sclerosis May Be Treated Differently
5. Implants In The Ear Is Effective Against All Types Of Hearing Loss
6. Placing a Finger on Responses to Placebo Types
7. Higher Risk for Cervical Cancer Seen Among Women Infected with Multiple HPV Types
8. Ultraviolet B (UVB) Radiation Reduces Risk of 16 Types of Cancer in U.S.
9. Human Skin Harbors Many More Types of Bacteria
10. New Test May Better Identify Certain Colorectal Cancer Types
11. Dysfunction of Vocal Cord Often Misdiagnosed for Asthma
Post Your Comments:
*Name:
*Comment:
*Email:


(Date:8/20/2017)... MD (PRWEB) , ... August 20, 2017 , ... State ... one of 40 national causes up for a $25,000 grant. If the initiative wins, ... girl bullying – will expand into the Tri-County area of St. Mary’s, Calvert and ...
(Date:8/19/2017)... (PRWEB) , ... August 18, 2017 , ... ... partnership aimed at creating a transparent, verifiable database to help the cannabis industry ... ledger technology, Paragon hopes to deliver a faster technology with lower fees. Paragon ...
(Date:8/19/2017)... ... August 19, 2017 , ... Praeclarus Press has ... These illustrations show the diversity of the breastfeeding mothers, using bright colors ... of sizes. These illustrations are also available on tote bags, notepads, smartphone cases, ...
(Date:8/19/2017)... ... , ... “Congratulations! It's A Boy! God’s Gift: A Story of Love”: a ... “Congratulations! It's A Boy! God’s Gift: A Story of Love” is the creation of ... , Published by Christian Faith Publishing, Dale Anthony and Rachael Anthony’s new book is ...
(Date:8/18/2017)... ... August 18, 2017 , ... ... highly specialized asset-light logistics provider of complex transport solutions for mission-critical and ... purchase Unitrans International Corporation, a division of Roadrunner Transportation Systems, Inc. (NYSE: ...
Breaking Medicine News(10 mins):
(Date:8/7/2017)... Zimmer Biomet Holdings, Inc. (NYSE and SIX: ZBH), a global ... Directors has approved the payment of a quarterly cash dividend ... The cash dividend of $0.24 per ... to stockholders of record as of the close of business ... to approval of the Board of Directors and may be ...
(Date:8/4/2017)... , Aug. 3, 2017  Agragen, LLC, a ... active in the biopharmaceutical, nutraceutical, and aquacultural feed ... of its lead drug candidates, AGR131.  This drug ... cytokine from the blood of patients suffering from ... inflammatory bowel disease. ...
(Date:8/2/2017)... , Aug. 2, 2017 CaryRx, a next-generation full-service ... delivery service for patients in the Washington D.C. ... retail pharmacy by providing delivery of medications through the convenience ... future delivery or delivered within one hour to any location ... excited to bring this invaluable service to Washington ...
Breaking Medicine Technology: