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Clinical Trial Details — Status: Recruiting

Administrative data

NCT number NCT05310019
Other study ID # 30725720.7.0000.5054.
Secondary ID
Status Recruiting
Phase N/A
First received
Last updated
Start date September 1, 2020
Est. completion date July 2024

Study information

Verified date March 2024
Source University of Nove de Julho
Contact Daniela A Biasotto-Gonzalez
Phone +5511999063166
Email biasottogonzalez@gmail.com
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

Goals. To evaluate the effect of electroacupuncture on paresthesia and myofunctional changes in patients undergoing bimaxillary orthognathic surgery and mentoplasty. Methodology: this is a controlled, randomized, blinded clinical trial. The sample will consist of 62 individuals in each group (general sample = 124 participants). Therefore, 124 young adults, aged between 18 and 50 years, both sexes, with at least 24 teeth, with Class II or III skeletal malocclusion, diagnosed by cephalometric radiographs, who underwent orthognathic surgery in the period from 1 to 30 days before the start of physical therapy, be available to perform the proposed postoperative treatment for six weeks. Participants will be equally and randomly distributed into two experimental groups: GF (Physiotherapy Group), GFE (Physiotherapy plus Electroacupuncture Group). The variables to be studied will be: socioepidemiological data; sensitivity assessment by the Semmes-Weinstein monofilament test; Edema assessment by the MD Anderson Cancer Center Head and Neck Lymphedema protocol, validated in Portuguese; assessment of mandibular movements using a Western-DC digital caliper; Assessment of masticatory function using the Chewing Quality Assessment Questionnaire. Data will be analyzed descriptively and organized into tables. Subsequently, the normality of continuous variables will be tested by the Kolmogorov-Smirnov test. As the variables are normally distributed, we will use parametric tests such as the paired t test, independent t test, ANOVA and Pearson's correlation. Nonparametric tests such as Wilcoxon paired signed rank test, Mann-Whitney U test, Kruskal Wallis test, Spearman correlation test will be used in case of non-normality of continuous variables. The significance level will be adjusted to 5% in all analyses.


Description:

Introduction: Among the major oral and maxillofacial surgeries called reconstructive, the one that has become popular in recent years, especially after the mandatory coverage of costs by health plans, was orthognathic surgery, so called because it is a combined procedure between orthodontics and oral and maxillofacial surgery, aiming at the correction of the masticatory system with the objective of reducing the discrepancies related to the jaws and, thus, establishing harmony between the face and the skull. Lesions of the inferior alveolar nerve (INA) are frequent due to its anatomical location, passing through the sagittal osteotomy of the mandibular ramus, where manipulation of the mandibular ramus or the structures that surround the nerve occurs during the operation. Goals. To evaluate the effect of electroacupuncture on paresthesia and myofunctional changes in patients undergoing bimaxillary orthognathic surgery and mentoplasty. Methodology: this is a controlled, randomized, blinded clinical trial. The sample was defined from a pilot study involving ten individuals, considering as an outcome the sensitivity obtained under the same experimental conditions used in this study. A two-way ANOVA with repeated measures considering two factors, group (treatment and control) and irradiation (pre-, post-6 treatment session and post-3 plot) was used to calculate the squared value of the ETA (0.033). The estimated number was 50 individuals per group. For sample calculation, α=0.05 (5% chance of type I error) and 1-β= 0.80 (% of sampling power) were considered. The sample will be increased by 20% to compensate for possible dropouts, resulting in 62 individuals in each group (overall sample = 124 participants). Therefore, 124 young adults, aged between 18 and 50 years, both sexes, with at least 24 teeth, with Class II or III skeletal malocclusion, diagnosed by cephalometric radiographs, who underwent orthognathic surgery in the period from 1 to 30 days before the start of physical therapy, be available to perform the proposed postoperative treatment for six weeks. Participants will be equally and randomly distributed into two experimental groups: GF (Physiotherapy Group), GFE (Physiotherapy plus Electroacupuncture Group). The variables to be studied will be: socioepidemiological data; sensitivity assessment by the Semmes-Weinstein monofilament test; Edema assessment by the MD Anderson Cancer Center Head and Neck Lymphedema protocol, validated in Portuguese; assessment of mandibular movements using a Western-DC digital caliper; Assessment of masticatory function using the Chewing Quality Assessment Questionnaire. Data will be analyzed descriptively and organized into tables. Subsequently, the normality of continuous variables will be tested by the Kolmogorov-Smirnov test. As the variables are normally distributed, we will use parametric tests such as the paired t test, independent t test, ANOVA and Pearson's correlation. Nonparametric tests such as Wilcoxon paired signed rank test, Mann-Whitney U test, Kruskal Wallis test, Spearman correlation test will be used in case of non-normality of continuous variables. The significance level will be adjusted to 5% in all analyses.


Recruitment information / eligibility

Status Recruiting
Enrollment 124
Est. completion date July 2024
Est. primary completion date July 2024
Accepts healthy volunteers No
Gender All
Age group 18 Years to 50 Years
Eligibility Inclusion Criteria: - Adults undergoing bimaxillary orthognathic surgery and mentoplasty; - Aged between 18 and 50 years; - Both of genders, - Having at least 24 teeth, with Class II or III skeletal malocclusion; - Diagnosed by cephalometric radiographs, who have performed the surgery in the period from 1 to 45 days before the beginning of physiotherapy; - Be available to perform the proposed postoperative treatment at the Clinic School of Physiotherapy of the Estácio do Ceará University Center for six weeks; - Agree to participate in the research; - Sign the term of free and clear clarification. Exclusion Criteria: - Individuals with cleft lip or palate, previous orthopedic and/or rheumatologic diseases that may have repercussions on the face such as facial fractures, facial palsy, systemic lupus erythematosus, neurological alteration due to injury or compression of the facial or trigeminal nerve; - Patients with chronic lymphedema, individuals treated or undergoing cancer treatment, syndromic, with local vascular changes or who have undergone previous surgeries on the face such as bichectomy, TMJ surgery, with the exception of tooth extraction without associated nervous impairment, who performed other surgical procedures combined with orthognathic; - Patients who use botulinum toxin for the treatment of temporomandibular dysfunction and esthetics; - Patients who presented postoperative complications such as infectious processes.

Study Design


Related Conditions & MeSH terms


Intervention

Other:
Physiotherapy and Electroacupuncture
TThe physiotherapy treatment (50min): warm compress with facial thermal blanket, respiratory muscle mobility training and cervical muscle relaxation, facial lymphatic drainage, start of myolymphokinetic exercises for the orbicularis, zygomatic major and minor muscles, upper lip lifter and nose wing, buccinator and platysma, release of intraoral adhesions, vacuum therapy at 60 mmHg, active exercises free of mandibular movements, maintenance of mandibular opening with wooden tongue depressors. The electroacupuncture treatment lasting another 30 min. Electroacupuncture treatment lasting another 30min. The repetition time of 1 sec; (F1-10 Hz, F2= 45 Hz; 10 mA). Facial acupuncture needles are disposable with 0.20 mm gauge and 10 mm length. Each needle will be inserted at the indicated points, totaling 10 needles and electrodes will be connected to each one. Electrical stimulation will be performed on the face points: E4, Jiachengjiang (extra point), E5, E6, bilaterally and point CV-24.
Physiotherapy
The physiotherapy treatment protocol will be divided into 6 meetings: warm compress with facial thermal blanket (5min), respiratory muscle mobility training and cervical muscle relaxation (5min) facial lymphatic drainage (10min), start of myolymphokinetic exercises for the orbicularis oris, zygomatic major and minor muscles, upper lip lifter and nose wing, buccinator and platysma (5 min), release of intraoral adhesions (5min) vacuum therapy at 60 mmHg (5min), active exercises free of mandibular movements (5 min), maintenance of mandibular opening with wooden tongue depressors (10min).

Locations

Country Name City State
Brazil Clinic School of the University Center Estácio do Ceará Fortaleza Ceará

Sponsors (2)

Lead Sponsor Collaborator
University of Nove de Julho Universidade Federal do Ceará

Country where clinical trial is conducted

Brazil, 

Outcome

Type Measure Description Time frame Safety issue
Primary sensitivity assessment Using the Semmes-Weinstein monofilament test the sensitivity assessment at 6 months
Secondary measure range of motion range of motion (measure with digital calipers) The range of motion at at 6 months
Secondary measure edema The edema will be measured with the aid of a measuring tape. the edema assessment at 6 months
Secondary measure functionality The functionality will be measured with Chewing Quality Assessment Questionnaire measure Functionality at 6 months
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