2.Clinical study on obstructive sleep apnea following pharyngeal flap surgery.
Ning ZHAO ; Zhen-Guo LIU ; Yao-Xiang XU ; Jin YUE ; Ling-Fa XUE ; Wen-Lin XIAO
West China Journal of Stomatology 2021;39(5):566-569
		                        		
		                        			OBJECTIVES:
		                        			This study aims to investigate the incidence and severity of obstructive sleep apnea (OSA) in cleft patients with velopharyngeal insufficiency (VPI) after pharyngeal flap surgery (PFS) and explore the influence of operation age.
		                        		
		                        			METHODS:
		                        			A retrospective study was conducted in 82 cleft patients after PFS. The patients were divided into two groups according to their age at the time of surgery. The incidence and severity of OSA were assessed at least 1.2 years (mean 6.0 years) postoperatively by polysomnography (PSG).
		                        		
		                        			RESULTS:
		                        			The incidence rates of OSA were 20% in the adult group and 31% in the child group. No significant difference was found between the two groups (
		                        		
		                        			CONCLUSIONS
		                        			Some patients still have OSA average of 6.0 years after PFS, and operation ageis unrelated to the incidence and severity of OSA.
		                        		
		                        		
		                        		
		                        			Adult
		                        			;
		                        		
		                        			Child
		                        			;
		                        		
		                        			Humans
		                        			;
		                        		
		                        			Pharynx
		                        			;
		                        		
		                        			Polysomnography
		                        			;
		                        		
		                        			Retrospective Studies
		                        			;
		                        		
		                        			Sleep Apnea, Obstructive/epidemiology*
		                        			;
		                        		
		                        			Velopharyngeal Insufficiency/etiology*
		                        			
		                        		
		                        	
3.Role of Speech Aid Prosthesis as Diagnostic and Therapeutic Aid for Velopharyngeal Insufficiency Defect: A Case Report
Asikul Wadud ; Waqas Tanveer ; Natdhanai Chotprasert ; Theerathavaj Srithavaj
Archives of Orofacial Sciences 2021;16(1):87-94
		                        		
		                        			ABSTRACT
		                        			Soft palate tumors pose the challenge during reconstructive and rehabilitating procedures. Surgical 
resection of these tumors leads to velopharyngeal insufficiency (VPI). The primary effects of VPI are 
hypernasality and air-flow escape, while the secondary effects are abnormalities in speech articulation. 
Surgical revision along with speech therapy is a common approach to the treatment of VPI. Prosthetic 
management by means of speech aid prosthesis helps to reduce resonance, nasal emission and 
consonants errors. This clinical report describes the different stages of rehabilitation of velopharyngeal 
insufficiency defect following resection of malignant melanoma of left posterior alveolar ridge and soft 
palate. The speech aid prosthesis helped to rehabilitate the velopharyngeal insufficiency defect and aided 
in the diagnosis of extent of speech function improvement by perceptual and objective methods.
		                        		
		                        		
		                        		
		                        			Dental Prosthesis
		                        			;
		                        		
		                        			 Velopharyngeal Insufficiency
		                        			
		                        		
		                        	
4.Changes of postoperative velopharyngeal function in children with cleft palate under 5 years old.
Heng YIN ; Han-Yao HUANG ; Chun-Li GUO ; Xi WANG ; Bing SHI ; Jing-Tao LI
West China Journal of Stomatology 2020;38(1):48-53
		                        		
		                        			OBJECTIVE:
		                        			To demonstrate the regularity of velopharyngeal function recovery after primary cleft palatoplasty and its correlation with different surgical procedures, ages, cleft types, and follow-up times.
		                        		
		                        			METHODS:
		                        			Patients with cleft palate under 5 years old who had more than two follow-up records were included in this study, and consecutive evaluations of postoperative velopharyngeal function were performed. Univariate and multivariate logistic regression analysis were used to reveal the regularity of postoperative velopharyngeal function and the possible influencing factors.
		                        		
		                        			RESULTS:
		                        			A total of 165 patients were included. Inconsistent functions of the velopharyngeal closure were observed in 31 patients, of which velopharyngeal insufficiency (VPI) in the first follow-up converted to velopharyngeal competence (VPC) in the second follow-up, accounting for 18.79% of the total, and 134 patients had consistent velopharyngeal function. The patients in the group who had consistent velopharyngeal function were younger than those in the group who were inconsistent, and the differences between the two groups were statistically significant. The younger the operation age, the patient's velopharyngeal function was more likely to stabilize at the first follow-up. At the time of the first follow-up in 15, 28, and 40 months, the probability that the patients had stable postoperative velopharyngeal function was 80%, 90%, and 95%, respectively.
		                        		
		                        			CONCLUSIONS
		                        			The recovery of velopharyn-geal function after surgery is a dynamic process. The velopharyngeal status of patients can be converted from VPI to VPC. Meanwhile, VPC cannot switch to VPI. The follow-up time is the most important factor affecting the consistency of the evaluation of velopharyngeal function. Choosing appro-priate follow-up time is the key to obtain the stable evaluation of velopharyngeal function.
		                        		
		                        		
		                        		
		                        			Child
		                        			;
		                        		
		                        			Child, Preschool
		                        			;
		                        		
		                        			Cleft Palate
		                        			;
		                        		
		                        			Humans
		                        			;
		                        		
		                        			Pharynx
		                        			;
		                        		
		                        			Treatment Outcome
		                        			;
		                        		
		                        			Velopharyngeal Insufficiency
		                        			
		                        		
		                        	
5.Velopharyngeal closure pattern and speech characteristics of patients congenital velopharyngeal insufficiency.
Xi WANG ; Chun-Li GUO ; Bing SHI ; Heng YIN
West China Journal of Stomatology 2020;38(6):662-666
		                        		
		                        			OBJECTIVE:
		                        			To analyze velopharyngeal closure patterns and speech characteristics of patients with congenital velopharyngeal insufficiency.
		                        		
		                        			METHODS:
		                        			Patients visiting the Department of Cleft Lip and Palate Surgery, West China Hospital of Stomatology, Sichuan University between 2009 and 2017 were reviewed. Outcomes of subjective speech evaluation, including resonance, consonant articulation, and correction rate, were analyzed. Furthermore, the mobility of soft palate and pharyngeal walls under nasopharyngeal fiberscope were analyzed retrospectively.
		                        		
		                        			RESULTS:
		                        			A total of 47 cases were retrieved and subjected to nasopharyngeal fiberscopic examination. Among them, 29 (61.7%) demonstrated a circular closure pattern, 16 (34.0%) showed a coronal pattern, and 2 (4.3%) had a sagittal pattern. Furthermore, 25 (53.2%) presented medium soft-palate mobility, 22 (46.8%) had weak lateral pharyngeal wall mobility, and 41 (87.2%) had no posterior pharyngeal wall mobility. Among all of the patients, 23 (48.9%) presented medium hypernasality, accounting for the highest proportion. Consonant misarticulation occurred in 89.4% of the cases. The articulation manners with the highest correction rate were in the following order: nasal, lateral, fricatives, stops, and affricates. The articulation places with the highest correction rate were in the following order: bilabial, alveolar, velar, and linguadental.
		                        		
		                        			CONCLUSIONS
		                        			Circular closure was the most prevalent velopharyngeal closure pattern among patients with congenital velopharyngeal insufficiency, and consonant omission was the most common articulation abnormality.
		                        		
		                        		
		                        		
		                        			China
		                        			;
		                        		
		                        			Cleft Palate/surgery*
		                        			;
		                        		
		                        			Humans
		                        			;
		                        		
		                        			Palate, Soft
		                        			;
		                        		
		                        			Pharynx
		                        			;
		                        		
		                        			Retrospective Studies
		                        			;
		                        		
		                        			Speech
		                        			;
		                        		
		                        			Treatment Outcome
		                        			;
		                        		
		                        			Velopharyngeal Insufficiency
		                        			
		                        		
		                        	
6.Factors affecting the postoperative velopharyngeal function among aged patients with cleft palate.
Chu-Xian LIU ; Jing-Tao LI ; Qian ZHENG ; Chun-Li GUO ; Heng YIN
West China Journal of Stomatology 2019;37(6):626-630
		                        		
		                        			OBJECTIVE:
		                        			To explore the prognostic factors affecting the primary surgical management of aged patients with cleft palate.
		                        		
		                        			METHODS:
		                        			This study reviewed aged patients with cleft palate who received Furlow palatoplasty (surgical age≥5 years) at the cleft center at West China Hospital of Stomatology from 2009 to 2014. The study retrieved intraoperative mea-surements, including velar length, pharyngeal depth, cleft width, maxillary width, cleft palate index, and palatopharyngeal ratio. Speech evaluation results at follow-up at least a year after surgery were also obtained. Logistic regression and retrospec-tive analyses were performed to identify correlative prognostic factors.
		                        		
		                        			RESULTS:
		                        			One hundred and thirty-one patients were included (70 males and 61 females). Dichotomy logistic regression analysis revealed that pharyngeal depth was the only mea-surement considerably associated with postoperative velopharyngeal function. Pharyngeal depth deeper than 16 mm indicated high risk of postoperative velopharyngeal insufficiency.
		                        		
		                        			CONCLUSIONS
		                        			Pharyn-geal depth is a significant prognostic factor for the primary surgical management of aged patients with cleft palate. Pharyn-goplasty might be considered when planning the primary management of aged patients.
		                        		
		                        		
		                        		
		                        			Child, Preschool
		                        			;
		                        		
		                        			China
		                        			;
		                        		
		                        			Cleft Palate
		                        			;
		                        		
		                        			Female
		                        			;
		                        		
		                        			Humans
		                        			;
		                        		
		                        			Male
		                        			;
		                        		
		                        			Palate, Soft
		                        			;
		                        		
		                        			Pharynx
		                        			;
		                        		
		                        			Retrospective Studies
		                        			;
		                        		
		                        			Treatment Outcome
		                        			;
		                        		
		                        			Velopharyngeal Insufficiency
		                        			
		                        		
		                        	
7.Prosthetic rehabilitation by double-processing technique for edentulous patient with soft palate defect after maxillectomy: A case report
Jin Yong PARK ; Yuan Kun WANG ; Kwang Yeob SONG ; Ju Mi PARK ; Jung Jin LEE
The Journal of Korean Academy of Prosthodontics 2019;57(4):356-363
		                        		
		                        			
		                        			A patient who went through maxillectomy can have soft palate defects including oronasal fistulas and suffer from dysphagia and dysarthria due to velopharyngeal insufficiency. This defect causes the food to enter nasal cavity and creates hypernasal sound which debilitates a quality of life. An obturator can rehabilitate the substantial oral tissue defects. The maxillary obturator separates the nasopharynx from the oropharynx during speech and deglutition by closing of the defect. For edentulous obturator patient, it is difficult to obtain proper retention due to reduced peripheral sealing. Therefore, the contours of the defects must be used to maximize the retention, stability, and support. Hollow type obturator can improve physiologic function by reducing weight than the traditional obturator. This case report describes a patient with hemi-maxillectomy who recovers mastication, speech, deglutition, and appearance with a maxillary obturator using physiological border molding of the velopharyngeal area and double-processing method.
		                        		
		                        		
		                        		
		                        			Deglutition
		                        			;
		                        		
		                        			Deglutition Disorders
		                        			;
		                        		
		                        			Dysarthria
		                        			;
		                        		
		                        			Fistula
		                        			;
		                        		
		                        			Fungi
		                        			;
		                        		
		                        			Humans
		                        			;
		                        		
		                        			Mastication
		                        			;
		                        		
		                        			Maxillofacial Prosthesis
		                        			;
		                        		
		                        			Methods
		                        			;
		                        		
		                        			Nasal Cavity
		                        			;
		                        		
		                        			Nasopharynx
		                        			;
		                        		
		                        			Oropharynx
		                        			;
		                        		
		                        			Palatal Obturators
		                        			;
		                        		
		                        			Palate, Soft
		                        			;
		                        		
		                        			Quality of Life
		                        			;
		                        		
		                        			Rehabilitation
		                        			;
		                        		
		                        			Velopharyngeal Insufficiency
		                        			
		                        		
		                        	
8.Surgical treatment of velopharyngeal insufficiency.
Archives of Craniofacial Surgery 2018;19(3):163-167
		                        		
		                        			
		                        			Velopharyngeal insufficiency (VPI) is a common complication after primary palatoplasty. Although the several surgical treatments of VPI have been introduced, there is no consensus guide to select the optimal surgical treatment for VPI patients. The selection of surgical treatment for VPI depends on a multimodal patient evaluation, such as perceptual speech evaluation, nasometery and nasoendoscopy. We can provide more adequate treatment for VPI through the deeper understanding of anatomy and physiology in VPI.
		                        		
		                        		
		                        		
		                        			Consensus
		                        			;
		                        		
		                        			Humans
		                        			;
		                        		
		                        			Physiology
		                        			;
		                        		
		                        			Velopharyngeal Insufficiency*
		                        			
		                        		
		                        	
9.Investigation of postoperative hypernasality after superiorly based posterior pharyngeal flap
Maxillofacial Plastic and Reconstructive Surgery 2018;40(1):23-
		                        		
		                        			
		                        			BACKGROUND: Velopharyngeal insufficiency that accompanies speech resonance and articulation disorders can be managed through several intervention methods such as speech-language therapy, prosthetic aids, and surgery. However, for patients with severe hypernasality, surgical interventions are highly recommended. Among available surgical techniques, the posterior pharyngeal flap is most common. CASE PRESENTATION: Two adult males with high nasalance scores underwent superiorly based posterior pharyngeal flap surgery, followed by speech testing by an expert speech-language therapist. Nasalance scores and articulation accuracy were assessed up until 1 year after the surgery. Nasalance scores were measured five times using a nasometer, after which the average value was calculated. CONCLUSIONS: Consistent declines in hypernasality over time are not easy to explain since the pedicled pharyngeal flap narrowed over time, secondary to cicatrization. However, scar tethering of the soft palate in a posterior direction could reduce the velopharyngeal port size over time. Therefore, long-term follow-up with intensive speech therapy is suggested for patients with severe hypernasality.
		                        		
		                        		
		                        		
		                        			Adult
		                        			;
		                        		
		                        			Articulation Disorders
		                        			;
		                        		
		                        			Cicatrix
		                        			;
		                        		
		                        			Cleft Palate
		                        			;
		                        		
		                        			Follow-Up Studies
		                        			;
		                        		
		                        			Humans
		                        			;
		                        		
		                        			Male
		                        			;
		                        		
		                        			Palate, Soft
		                        			;
		                        		
		                        			Speech Therapy
		                        			;
		                        		
		                        			Velopharyngeal Insufficiency
		                        			
		                        		
		                        	
10.The comparative study of resonance disorders for Vietnamese and Korean cleft palate speakers using nasometer.
Yu Jeong SHIN ; Yongsoo KIM ; Hyun Gi KIM
Maxillofacial Plastic and Reconstructive Surgery 2017;39(4):9-
		                        		
		                        			
		                        			BACKGROUND: Nasalance is used to evaluate the velopharyngeal incompetence in clinical diagnoses using a nasometer. The aim of this study is to find the nasalance differences between Vietnamese cleft palate children and Korean cleft palate children by measuring the nasalance of five oral vowels. METHODS: Ten Vietnamese cleft palate children after surgery, three Vietnamese children for the control group, and ten Korean cleft palate children after surgery with the same age participated in this experimentation. Instead of Korean control, the standard value of Korean version of the simplified nasometric assessment procedures (kSNAP) was used. RESULT: The results are as follows: (1) the highest nasalance score among the Vietnamese normal vowels is the low vowel /a/; however, that of Korean normal vowels is the high vowel /i/. (2) The average nasalance score of Korean cleft palate vowels is 18% higher than that of Vietnamese cleft palate vowels. There was a nasalance score of over 45% among the vowels /e/ and /i/ in Vietnamese cleft palate patients and /i/, /o/, and /u/ in Korean cleft palate patients. CONCLUSION: These different nasalance scores of the same vowels seem to cause an ethnic difference between Vietnamese and Korean cleft palate children.
		                        		
		                        		
		                        		
		                        			Asian Continental Ancestry Group*
		                        			;
		                        		
		                        			Child
		                        			;
		                        		
		                        			Cleft Palate*
		                        			;
		                        		
		                        			Diagnosis
		                        			;
		                        		
		                        			Humans
		                        			;
		                        		
		                        			Velopharyngeal Insufficiency
		                        			
		                        		
		                        	
            

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