OBJECTIVES/HYPOTHESIS To evaluate the effect of radiation therapy on voice outcome and duration of effect of calcium hydroxylapatite (CaHA) injection laryngoplasty in unilateral vocal fold paralysis (UVFP) patients. STUDY DESIGN Retrospective case series. METHODS UVFP patients treated with CaHA injection laryngoplasty at the University of California San Francisco Voice and Swallowing Center...

OBJECTIVES/HYPOTHESIS The primary objective of this study was to evaluate the effectiveness and safety of injection laryngoplasty using a temporary injectable agent in the acute setting for patients with unilateral vocal cord paralysis following thoracic surgical procedures. STUDY DESIGN Retrospective consecutive case series in an academic institution. METHODS Inclusion criteria included pa...

OBJECTIVES/HYPOTHESIS To evaluate the clinical outcome of patients with acute vocal fold paralysis treated with bovine collagen via percutaneous injection laryngoplasty under simple topical anesthesia. STUDY DESIGN Retrospective case series. METHODS The charts of 38 consecutive patients with acute unilateral vocal fold paralysis who underwent percutaneous injection laryngoplasty under simpl...

INTRODUCTION Unilateral vocal cord paralysis (UVCP) is not an uncommon finding. Several procedures are available to manage glottal insufficiency. We conducted a clinical trial to evaluate the outcome of fat injection laryngoplasty. MATERIALS AND METHODS Liposuctioned lower abdomen fat was injected for augmentation of paralyzed vocal cord in 20 patients with UVCP. Autologous fat was harvested ...

OBJECTIVES To (1) develop a model of cyclical adduction force on an abducted left arytenoid cartilage that mimics swallowing or coughing; (2) determine if arytenoid abduction by a clamp before knot tying will improve the maintenance of abduction under cyclical adduction testing. STUDY DESIGN Experimental. SAMPLE POPULATION Cadaveric equine larynges (n = 14). METHODS Left laryngoplasty per...

OBJECTIVES/HYPOTHESIS The purpose of this study was to compare the clinical effectiveness of type I thyroplasty, injection laryngoplasty, and graft implantation for the treatment of vocal fold scar and pathologic sulcus vocalis. STUDY DESIGN Prospective, multi-arm, quasi-experimental research design. METHODS Twenty-eight patients with newly diagnosed vocal fold scar and/or pathologic sulcus...