- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT04267965
Pulmonary Function, Voice and Swallowing Symptoms After Parathyroidectomy
Changes of Pulmonary Function, Voice and Swallowing Symptoms After Total Parathyroidectomy for Secondary Hyperparathyroidism in the Presence of Intact Recurrent Laryngeal Nerve
Study Overview
Status
Intervention / Treatment
Detailed Description
This was a prospective case-control study. From July 2017 to Dec. 2018, investigators recruited 38 patients, who had undergone a successful operation of total parathyroidectomy and bilateral thymectomy (TPxBT) plus autotransplantation for symptomatic secondary hyperparathyroidism as the study group. In the same period 4 patients who had a surgical failure were excluded from the study. Indications for surgery were patients who had undergone long-term regular hemodialysis or continuous ambulatory peritoneal dialysis (CAPD), with serum levels of Ca > 10.1 mg/dL, P > 5.5 mg/dL, alkaline phosphatase (Alk-ptase) > 94 U/L and intact parathyroid hormone(iPTH) > 800 pg/mL and with symptoms and signs such as skin itching, bone pain, general weakness, insomnia and T-score of bone mineral density (BMD) (the lowest T-score of lumbar spine 1-4, global femur, femoral neck, radial 1/3, and global radius) < -2.5. During surgery, Total parathyroidectomy and bilateral thymectomy was performed plus autotranplantation of 100 mg of hyperplastic parathyroid tissue to the subcutaneous tissue of the forearm without harboring an arteriovenous fistula.
Ten patients with regular hemodialysis who had developed mild secondary hyperparathyroidism (iPTH around 500 pg/mL) but did not undergo parathyroidectomy were recruited as the control group.
Investigators recorded patients' age, symptoms, gender, body mass index (BMI) and measured serum levels of Ca, P, Alk-ptase and iPTH, and BMD (T-score). The Investigators also recorded patients' voice quality, airway invasion during swallowing and pulmonary functions before surgery and 4 months after surgery to find the changes after surgery. In the control group, investigators recorded and measured these items at baseline and 4 months later.
At 1 week after surgery, serum Ca, P, Alk-ptase and iPTH levels were measured again to make sure that the operation was successful. A successful operation was defined as iPTH levels < 72 pg/mL within 1 week after surgery. Four patients were excluded from this study with a surgical failure in the same period.
The perceptual evaluation of voice quality such as speech impairment and speech quality by means of multidimensional clinical measurements based on auditory methods with grade, hoarseness, roughness, breathiness, asthenia, and strain (GRBAS) on a scale (0-3) (normal-high degree) were performed by the ear, nose, and throat specialist (Dr. Lai, C.C.). Voice handicap index (VHI-10) (>11, abnormal) and eating assessment tool (EAT-10) (≥ 3, abnormal) were evaluated by patients themselves.
Acoustic and aerodynamic measurements were applied to recordings of each subject producing sustained vowel productions in a soundproof room. Acoustic variables including jitter (Jitt), shimmer (ShdB), noise-to-harmonic ratio (NHR), fundamental frequency (Fo), and high pitch were measured using computerized speech laboratory (Core Model SCL # 4300B, KayPENTAX Elementries, Lincoln park, NJ).
The maximal phonation time and s/z ratio were measured with circumferentially vented pneumotachography mask and differential transducers of the Aerophone system (Aerophone II, Model 6800, KayPENTAX Elementrics). Vocal cord mobility, vocal cord closure (complete or incomplete), airway invasion during swallowing were inspected with fiber-optic endoscopy to show premature spillage, penetration-aspiration scale levels (1-8) (no entry of material into the larynx or trachea-material enter the airway passes below vocal folds and no effort is made to eject) (>1, abnormal). The Yale pharyngeal residue severity rating scale for vallecula (0-4) (non-trace-mild-moderate-severe) and pyriform sinus (0-4) were also performed by the ENT specialist.
The specialist of chest medicine (Dr. Chang, H.C.) performed pulmonary function tests including forced vital capacity (FVC), forced expiratory volume in 1 second (FEV1), bronchodilator test (BDT) (a positive response to BDT defined by the American Thoracic Society as an increase in FEV1 or FVC ≥ 12% and 200 ml), total lung capacity (TLC), and alveolar volume (VA) using MasterScope (Jaeger, VIASYS healthcare GmbH, Höchberg, Germany), and diffusion capacity of the lung for carbon monoxide (DLCO) using Vmax Autobox (SensorMedics, a subsidiary of VIASYS healthcare, California, USA). The 6 minutes walking test (6MWT) was also performed to evaluate distance (meter) and O2 desaturation (differences of O2 saturation between pre- and post-tests) (defined as positive if O2 desaturation ≧ 4%).
Study Type
Enrollment (Actual)
Contacts and Locations
Study Locations
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Kaohsiung, Taiwan, 833
- Fong-Fu Chou
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Sampling Method
Study Population
Description
Inclusion Criteria:
- age over 20 years
- chronic renal failure with regular dialysis
- iPTH> 800pg/mL, Ca > 10.1 mg/dL, and P > 5.5 mg/dL
- symptoms of bone pain, skin itching, general weakness, insomnia and osteoporosis (T score< -2.5)
Exclusion Criteria:
- pregnancy women
- patients after kidney transplantation
- a failure in surgery
Study Plan
How is the study designed?
Design Details
- Observational Models: Cohort
- Time Perspectives: Prospective
Cohorts and Interventions
Group / Cohort |
Intervention / Treatment |
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Group A
Patients who have been successfully operated on with total parathyroidectomy for symptomatic secondary hyperparathyroidism and their PTH levels are below 72 pg/dL within one week after surgery.
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Patients should receive total parathyroidectomy plus bilateral thymectomy and autotransplantation
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Group B
Patients who have had regular dialysis and their iPTH levels are around 500 pg/dL
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What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Successful surgery is defined as iPTH levels less than 72 pg/dL within one week after surgery
Time Frame: one week after surgery
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After successful surgery, patients were recruited in the study, and we excluded patients with a surgical failure.
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one week after surgery
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Voice impairment(GRBAS)
Time Frame: 4 months after surgery
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speech impairment and speech quality were evaluated with GRBAS on a scale (0-3), VHI-10 (>11, abnormal) and (EAT-10) (≥ 3, abnormal) . *GRBAS (grade, roughness, breathiness, asthenia, strain) scale grades hoarseness, roughness, breathiness, aesthenia (weakness), and strain on a scale of 0-3 0 = normal, 1 = mild degree, 2 = moderate degree, and 3 = high degree |
4 months after surgery
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Voice impairment(VH1-10)
Time Frame: 4 months after surgery
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speech impairment and speech quality were evaluated with voice handicap index (VHI-10) (>11, abnormal) 0-4 Rating Scale 0 = Normal
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4 months after surgery
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Voice impairment(EAT-10)
Time Frame: 4 months after surgery
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speech impairment and speech quality were evaluated with EAT-10 (≥ 3, abnormal) . *eating assessment tool (EAT-10) 0 - 4 Rating Scale 0 = No problem
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4 months after surgery
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Acoustic voice analysis
Time Frame: 4 months after surgery
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mean frequency (F0, Hz); Noise-to-Harmonic Ratio (NHR), jitter(%), and shimmer (%)
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4 months after surgery
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Vocal cord examination
Time Frame: 4 months later
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The maximal phonation time (sec) and s/z ratio were measured with circumferentially vented pneumotachography mask and differential transducers of the Aerophone system .
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4 months later
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Fiber optic endoscopic evaluation of swallowing (FEES)
Time Frame: 4 months later.
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Vocal cord mobility, vocal cord closure (complete or incomplete), airway invasion during swallowing were inspected with fiber-optic endoscopy to show premature spillage, penetration-aspiration scale levels .
The Yale pharyngeal residue severity rating scale for vallecula and pyriform sinus (0-4) (non-trace-mild-moderate-severe) and pyriform sinus (0-4) were also performed.
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4 months later.
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Pulmonary function test
Time Frame: 4 months later
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Forced vital capacity (FVC) (L), forced expiratory volume in 1 second (FEV1), bronchodilator test (BDT) (a positive response to BDT defined by the American Thoracic Society as an increase in FEV1 or FVC ≥ 12% and 200 ml), total lung capacity (TLC) (L), and alveolar volume (VA) using MasterScope (Jaeger, VIASYS healthcare GmbH, Höchberg, Germany), and diffusion capacity of the lung for carbon monoxide (DLCO) (%) using Vmax Autobox (SensorMedics, a subsidiary of VIASYS healthcare, California, USA).
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4 months later
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6MWT were performed.
Time Frame: 4 months later
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The 6 minutes walking test (6MWT) was also performed to evaluate distance (meter) and O2 desaturation (differences of O2 saturation between pre- and post-tests) (defined as positive if O2 desaturation ≧ 4%).
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4 months later
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Collaborators and Investigators
Sponsor
Investigators
- Study Director: Chang Huang-Chih, MD, Co-host
- Study Director: Chen Jib-Bor, MD, Co-host
- Study Director: Lai Chi-Chih, MD, Co-host
Publications and helpful links
General Publications
- Rosenbek JC, Robbins JA, Roecker EB, Coyle JL, Wood JL. A penetration-aspiration scale. Dysphagia. 1996 Spring;11(2):93-8. doi: 10.1007/BF00417897.
- Belafsky PC, Mouadeb DA, Rees CJ, Pryor JC, Postma GN, Allen J, Leonard RJ. Validity and reliability of the Eating Assessment Tool (EAT-10). Ann Otol Rhinol Laryngol. 2008 Dec;117(12):919-24. doi: 10.1177/000348940811701210.
- Okada M, Tominaga Y, Yamamoto T, Hiramitsu T, Narumi S, Watarai Y. Location Frequency of Missed Parathyroid Glands After Parathyroidectomy in Patients with Persistent or Recurrent Secondary Hyperparathyroidism. World J Surg. 2016 Mar;40(3):595-9. doi: 10.1007/s00268-015-3312-1.
- Wood JM, Athanasiadis T, Allen J. Laryngitis. BMJ. 2014 Oct 9;349:g5827. doi: 10.1136/bmj.g5827. No abstract available.
- Arffa RE, Krishna P, Gartner-Schmidt J, Rosen CA. Normative values for the Voice Handicap Index-10. J Voice. 2012 Jul;26(4):462-5. doi: 10.1016/j.jvoice.2011.04.006. Epub 2011 Aug 4.
- Eckel FC, Boone DR. The S/Z ratio as an indicator of laryngeal pathology. J Speech Hear Disord. 1981 May;46(2):147-9. doi: 10.1044/jshd.4602.147.
- Neubauer PD, Rademaker AW, Leder SB. The Yale Pharyngeal Residue Severity Rating Scale: An Anatomically Defined and Image-Based Tool. Dysphagia. 2015 Oct;30(5):521-8. doi: 10.1007/s00455-015-9631-4. Epub 2015 Jun 7.
- Richter DC, Joubert JR, Nell H, Schuurmans MM, Irusen EM. Diagnostic value of post-bronchodilator pulmonary function testing to distinguish between stable, moderate to severe COPD and asthma. Int J Chron Obstruct Pulmon Dis. 2008;3(4):693-9. doi: 10.2147/copd.s948.
- Single breath carbon monoxide diffusing capacity (transfer factor). Recommendations for a standard technique. Statement of the American Thoracic Society. Am Rev Respir Dis. 1987 Nov;136(5):1299-307. doi: 10.1164/ajrccm/136.5.1299. No abstract available.
- Waatevik M, Johannessen A, Gomez Real F, Aanerud M, Hardie JA, Bakke PS, Lind Eagan TM. Oxygen desaturation in 6-min walk test is a risk factor for adverse outcomes in COPD. Eur Respir J. 2016 Jul;48(1):82-91. doi: 10.1183/13993003.00975-2015. Epub 2016 Apr 13.
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Actual)
Study Completion (Actual)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Actual)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- 201601901B0
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
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