Comparison between laser and diathermy assisted posterior cordotomy for bilateral vocal cord abductor paralysis

Comparison between laser and diathermy assisted posterior cordotomy for bilateral vocal cord abductor paralysis: a prospective randomized controlled trial

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

ISRCTN

Registry ID

ISRCTN08093874

Enrollment

Registered

2013-03-27

Start date

2008-02-01

Completion date

Unknown

Last updated

2015-01-13

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Optimum method of cordotomy Respiratory Paralysis of vocal cords and larynx

Interventions

Participants will be randomly categorized into two groups: Group (A) will be treated with laser assisted posterior cordotomy Group (B) will be treated with diathermy assisted posterior cordotomy Duri

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Patients [male and female, any age (no age limitation)] who are diagnosed as having bilateral abductor vocal cord paralysis for one year at least and maximal width of respiratory chink is 4 mm or less.

Exclusion criteria

Exclusion criteria: 1. Patients have unilateral vocal cord paralysis. 2. Patients who are diagnosed as having bilateral abductor vocal cord paralysis for lee than one year duration. 3. Maximal width of respiratory chink is more than 4 mm.

Design outcomes

Primary

Measure	Time frame
1. Dyspnea severity scale 2. Voice assessment protocol 3. Pearson aspiration scale	—

Secondary

Measure	Time frame
No secondary outcome measures	—

Countries

Egypt

Outcome results

None listed

Source: ISRCTN (via WHO ICTRP) · Data processed: Mar 10, 2026