scholarly journals Intraoperative Hemorrhage and Postoperative Sequelae after Intraoral Vertical Ramus Osteotomy to Treat Mandibular Prognathism

2015 ◽  
Vol 2015 ◽  
pp. 1-6 ◽  
Author(s):  
Chun-Ming Chen ◽  
Steven Lai ◽  
Ker-Kong Chen ◽  
Huey-Er Lee
Keyword(s):  
Blood Loss ◽  
Operating Time ◽  
Rank Correlation ◽  
Men And Women ◽  
Mandibular Prognathism ◽  
Mandibular Setback ◽  
Intraoral Vertical Ramus Osteotomy ◽  
The Mean ◽  
Blood Loss Volume ◽  
Vertical Ramus Osteotomy

Objective.To investigate the factors affecting intraoperative hemorrhage and postoperative sequelae after orthognathic surgery.Materials and Methods.Eighty patients with mandibular prognathism underwent surgical mandibular setback with intraoral vertical ramus osteotomy (IVRO). The correlation between the blood loss volume and postoperative VAS with the gender, age, and operating time was assessed using thet-test and Spearman rank correlation coefficient. The correlation between the magnitude of mandibular setback with the presence of TMJ clicking symptoms and lip sensation was also assessed.Results.The mean operating time and blood loss volume for men and women were 249.52 min and 229.39 min, and 104.03 mL and 86.12 mL, respectively. The mean VAS in men and women was 3.21 and 2.93, and 1.79 and 1.32 on the first and second postoperative days. There is no gender difference in the operating time, blood loss, VAS, TMJ symptoms, and lip numbness. The magnitude of mandibular setback was not correlated with immediate and long-term postoperative lip numbness.Conclusion.There are no gender differences in the intraoperative hemorrhage and postoperative sequelae (pain, lip numbness, and TMJ symptoms). In addition, neither symptom was significantly correlated with the amount of mandibular setback.

scholarly journals Intraoperative Blood Loss and Postoperative Pain in the Sagittal Split Ramus Osteotomy and Intraoral Vertical Ramus Osteotomy: A Literature Review

2021 ◽  
Vol 2021 ◽  
pp. 1-7
Author(s):  
Kun-Tsung Lee ◽  
Shiu-Shiung Lin ◽  
Kun-Jung Hsu ◽  
Chi-Yu Tsai ◽  
Yi-Hao Lee ◽  
...  
Keyword(s):  
Postoperative Pain ◽  
Blood Loss ◽  
Lower Amount ◽  
Cochrane Library ◽  
Intraoperative Blood Loss ◽  
Sagittal Split Ramus Osteotomy ◽  
Intraoral Vertical Ramus Osteotomy ◽  
Vas Scores ◽  
The Mean ◽  
Vertical Ramus Osteotomy

Purpose. The purpose of the present study was to review the literature regarding the blood loss and postoperative pain in the isolated sagittal split ramus osteotomy (SSRO) and intraoral vertical ramus osteotomy (IVRO). Materials and Methods. Investigating the intraoperative blood loss and postoperative pain, articles were selected from 1970 to 2021 in the English published databases (PubMed, Web of Science, and Cochrane Library). Article retrieval and selection were performed by two authors, and they independently evaluated them based on the eligibility criteria. The articles meeting the search criteria had especially at least 30 patients. Results. In the review of intraoperative blood loss, a total of 139 articles were retrieved and restricted to 6 articles (SSRO: 4; IVRO: 2). In the review of postoperative pain, a total of 174 articles were retrieved and restricted to 4 articles (SSRO: 3; IVRO: 1). The mean blood loss of SSRO and IVRO was ranged from 55 to 167 mL and 82 to 104 mL, respectively. The mean visual analog scale (VAS) scores of the first postoperative day were 2 to 5.3 in SSRO and 2.93 to 3.13 in IVRO. The mean VAS scores of the second postoperative day were 1 to 3 in SSRO and 1.1 to 1.8 in IVRO. Conclusion. Compared to traditional SSRO, IVRO had a significantly lower amount of blood loss. However, the blood transfusion is not necessary in a single-jaw operation (SSRO or IVRO). Postoperative pain was similar between SSRO and IVRO.

scholarly journals Correlation between the Pharyngeal Airway Space and Head Posture after Surgery for Mandibular Prognathism

2015 ◽  
Vol 2015 ◽  
pp. 1-8 ◽  
Author(s):  
Chun-Ming Chen ◽  
Steven Lai ◽  
Ker-Kong Chen ◽  
Huey-Er Lee
Keyword(s):  
Mandibular Prognathism ◽  
Head Posture ◽  
Oropharyngeal Airway ◽  
Pharyngeal Airway ◽  
Mandibular Setback ◽  
Postoperative Changes ◽  
Lateral Cephalograms ◽  
Intraoral Vertical Ramus Osteotomy ◽  
Mandibular Setback Surgery ◽  
Vertical Ramus Osteotomy

Purpose. The aim of this study was to determine the correlation between the pharyngeal airway space and head posture after mandibular setback surgery for mandibular prognathism.Materials and Methods. Serial lateral cephalograms of 37 patients with mandibular prognathism who underwent intraoral vertical ramus osteotomy (IVRO) were evaluated before (T1) and immediately (T2), between 6 weeks and 3 months (T3), and more than 1 year (T4) after surgery. Pairedt-tests and Pearson’s correlation analysis were used to evaluate the postoperative changes in all cephalometric parameters, including the mandible, hyoid, head posture (craniocervical angle), and pharyngeal airway space.Results. The mandible and hyoid were set back by 12.8 mm and 4.9 mm, respectively, at T2. Furthermore, the hyoid showed significant inferior movement of 10.7 mm, with an 8 mm increase in the tongue depth. The upper oropharyngeal airway (UOP) shortened by 4.1 mm, the lower oropharyngeal airway (LOP) by 1.7 mm, and the laryngopharyngeal airway by 2 mm. The craniocervical angle showed a significant increase of 2.8°. UOP and LOP showed a significant correlation with the craniocervical angle at T2 and T4.Conclusions. Our findings conclude that the oropharyngeal airway space is significantly decreased and correlated with a change in the head posture after mandibular setback surgery.

scholarly journals Relationship between Frontal Gap and Postoperative Stability in the Treatment of Mandibular Prognathism

2016 ◽  
Vol 2016 ◽  
pp. 1-5
Author(s):  
Yu-Chuan Tseng ◽  
Kun-Jung Hsu ◽  
Ker-Kong Chen ◽  
Ju-Hui Wu ◽  
Chun-Ming Chen
Keyword(s):  
Multiple Regression Model ◽  
Linear Measurements ◽  
Mandibular Prognathism ◽  
Mandibular Setback ◽  
Intraoral Vertical Ramus Osteotomy ◽  
The Mean ◽  
The Right ◽  
Skeletal Stability ◽  
Primary Risk Factor

Objectives. To investigate the correlation between frontal gaps and skeletal stability after intraoral vertical ramus osteotomy (IVRO) for correction of mandibular prognathism.Materials and Methods. Thirty-three patients with frontal gaps after IVRO-based mandibular prognathism correction were included. Three lateral and frontal cephalometric radiographs were obtained: preoperatively (T1), immediately postoperatively (T2), and 2 years postoperatively (T3). Two linear measurements (menton [Me] and frontal gap) were compared from T1 to T3 (T21: immediate surgical changes; T32: postoperative stability; T31: 2-year surgical change). Data were analyzed using Pearson’s correlation coefficient and multiple linear regression.Results. The T21 mean surgical horizontal change in the Me position was12.4±4.23 mm. Vertically, the mean downward Me movement was0.6±1.73 mm. The mean frontal gaps were4.7±2.68 mm and4±2.48 mm in the right and left gonial regions, respectively. Postoperative stability (T32) significantly correlated with the amount of setback. Frontal gaps did not have a significant effect on postoperative stability. However, multiple regression model (R2=0.341,P=0.017) showed value predictability, especially in the amount of setback.Conclusion. Frontal gaps occur after IVRO but have no significant effect on long-term postoperative skeletal stability. The primary risk factor for postoperative relapse remains the amount of mandibular setback.

Endoscopically assisted versus open repair of sagittal craniosynostosis: the St. Louis Children's Hospital experience

2011 ◽  
Vol 8 (2) ◽  
pp. 165-170 ◽  
Author(s):  
Manish N. Shah ◽  
Alex A. Kane ◽  
J. Dayne Petersen ◽  
Albert S. Woo ◽  
Sybill D. Naidoo ◽  
...  
Keyword(s):  
Length Of Stay ◽  
Blood Loss ◽  
Open Surgery ◽  
Operating Time ◽  
Endoscopic Procedure ◽  
Sagittal Craniosynostosis ◽  
Helmet Therapy ◽  
Age At Surgery ◽  
The Mean ◽  
Strip Craniectomy

Object This study investigated the differences in effectiveness and morbidity between endoscopically assisted wide-vertex strip craniectomy with barrel-stave osteotomies and postoperative helmet therapy versus open calvarial vault reconstruction without helmet therapy for sagittal craniosynostosis. Methods Between 2003 and 2010, the authors prospectively observed 89 children less than 12 months old who were surgically treated for a diagnosis of isolated sagittal synostosis. The endoscopic procedure was offered starting in 2006. The data associated with length of stay, blood loss, transfusion rates, operating times, and cephalic indices were reviewed. Results There were 47 endoscopically treated patients with a mean age at surgery of 3.6 months and 42 patients with open-vault reconstruction whose mean age at surgery was 6.8 months. The mean follow-up time was 13 months for endoscopic versus 25 months for open procedures. The mean operating time for the endoscopic procedure was 88 minutes, versus 179 minutes for the open surgery. The mean blood loss was 29 ml for endoscopic versus 218 ml for open procedures. Three endoscopically treated cases (6.4%) underwent transfusion, whereas all patients with open procedures underwent transfusion, with a mean of 1.6 transfusions per patient. The mean length of stay was 1.2 days for endoscopic and 3.9 days for open procedures. Of endoscopically treated patients completing helmet therapy, the mean duration for helmet therapy was 8.7 months. The mean pre- and postoperative cephalic indices for endoscopic procedures were 68% and 76% at 13 months postoperatively, versus 68% and 77% at 25 months postoperatively for open surgery. Conclusions Endoscopically assisted strip craniectomy offers a safe and effective treatment for sagittal craniosynostosis that is comparable in outcome to calvarial vault reconstruction, with no increase in morbidity and a shorter length of stay.

Intraoral vertical ramus osteotomy for correction of mandibular prognathism

2013 ◽  
Vol 42 (10) ◽  
pp. 1341
Author(s):  
Y. Yoshinori ◽  
N. Kazuyuki ◽  
O. Takeshi ◽  
K. Kenichiro ◽  
K. Tuyoshi
Keyword(s):  
Mandibular Prognathism ◽  
Intraoral Vertical Ramus Osteotomy ◽  
Vertical Ramus Osteotomy

Intraoral Vertical Ramus Osteotomy for Correction of Mandibular Prognathism

2008 ◽  
Vol 61 (1) ◽  
pp. 52-55 ◽  
Author(s):  
Chun-Ming Chen ◽  
Huey-Er Lee ◽  
Chia-Fu Yang ◽  
Yee-Shyong Shen ◽  
I-Yueh Huang ◽  
...  
Keyword(s):  
Mandibular Prognathism ◽  
Intraoral Vertical Ramus Osteotomy ◽  
Vertical Ramus Osteotomy

scholarly journals Microendoscope-Assisted Decompression Surgery With Resection of Bony Fragment for Treating a Separation of Lumbar Posterior Ring Apophysis in Young Athletes

2020 ◽  
pp. 219256822092929 ◽  
Author(s):  
Motohiro Okada ◽  
Munehito Yoshida ◽  
Akihito Minamide ◽  
Kazunori Nomura ◽  
Kazuhiro Maio ◽  
...  
Keyword(s):  
Blood Loss ◽  
Japanese Orthopaedic Association ◽  
Operating Time ◽  
Case Series ◽  
Decompression Surgery ◽  
Return To Sports ◽  
Intraoperative Blood Loss ◽  
Young Athletes ◽  
The Mean ◽  
Posterior Ring

Study Design: Case series. Objectives: To report the clinical outcomes of the decompression procedure using the microendoscopic discectomy system for the treatment of a separation of lumbar posterior ring apophysis in young active athletes. Methods: We retrospectively reviewed 17 cases that underwent the microendoscopic surgery to treat a symptomatic separated lumbar ring apophysis between 2001 and 2014 at our institute or our associated hospital. The cases consisted of 15 males and 2 females, with their ages ranging from 12 to 19 years. The surgeries were performed at total of 18 lumbar levels, including 15 L4/5 and 3 L5/S1 levels. All patients were young athletes. We evaluated the following: (1) the Japanese Orthopaedic Association (JOA) score for low back pain, (2) recovery rates using Hirabayashi’s method, (3) operating time, (4) intraoperative blood loss, (5) perioperative complications, (6) the status of comeback to sports, and (7) the period taken to return to sports. Results: The JOA score was improved after the surgery in all cases. Recovery rate was 92.0% ± 8.1%. The mean operating time per level was 89.2 ± 33.3 minutes. The mean intraoperative blood loss per level was 95.3 ± 93.1 mL. A pinhole size dural tear occurred in one case as a perioperative complication. All cases returned to sports. The mean period taken to return to sports was 10.9 ± 3.5 weeks. Conclusion: Microendoscopic decompression surgery is useful for treating a separation of lumbar posterior ring apophysis.

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