Laser Reduction Glottoplasty for Managing Androphonia After Failed Cricothyroid Approximation Surgery

Laryngeal surgical treatment in transgender women: A systematic review and meta‐analysis

“…In relation to age, the youngest was 16 years old and the oldest was 64 years old for both groups (EG and CG). As for pre‐ and postsurgical f0, the highest gain was 81 Hz in the experimental group of the 2013 study by Mastronikolis et al The f0 variation was 33.3 Hz in the control group of the Koçak et al 2010 study to 81 Hz in the experimental group of the Mastronikolis et al . The reduced number of studies made it impossible to compare the statistical significance of pre‐ and postsurgery F0 gain intragroups.…”

“…Randomized clinical trials and prospective cohorts were not included among the five selected studies. In addition, a limited number of retrospective cohorts and cases‐control studies (Fig. ) were obtained, which demonstrates the lack of scientific evidence to indicate surgical procedures to increase the f0 of transsexual persons.…”

“…Each scientific article was prepared in a different country, with the exception of a multicenter study performed in three countries …”

“…Regarding sample characteristics (Table ), most studies have small samples, with the exception of the study by Kim et al that examined 313 transsexual women. Small samples reflect the small number of public health centers serving this population.…”

“…Kim reports that the sample was composed of patients who underwent vocal fold shortening and retrodisplacement of the previous commissure and rehabilitation of the phonatory pattern from January 2003 to December 2014 . Koçak et al, between May 2001 and April 2005, analyzed data from six patients who underwent laser reduction glottoplasty at the KBB Major Private Clinic of Istanbul Surgery Hospital and the Yeditepe University Hospital, Istanbul, Turkey . Patients’ main complaints were dissatisfaction with obtaining a feminine voice quality after cricothyroid approximation surgery .…”