VOLUME MANIPULATION FOR SIMULATING FACIAL CONTOURING SURGERY

2014 ◽  
Vol 26 (01) ◽  
pp. 1450016 ◽  
Author(s):  
Ming-Dar Tsai ◽  
Feng-Chou Tsai ◽  
Chih-Lung Lin ◽  
Ming-Shium Hsieh
Keyword(s):  
Wound Healing ◽  
Surgical Procedures ◽  
Surgical Procedure ◽  
Tissue Deformation ◽  
Bone Morphology ◽  
Facial Bone ◽  
High Quality ◽  
3D Images ◽  
Case Examples ◽  
The Face

In facial contouring surgery, surgeons operate the facial bone to correct bone morphology and thus achieve esthetic feminine face. To evaluate the face appearance after surgery and rehearse every surgical procedure in facial contouring surgery, simulations for tissue peeling, incising and suturing on the face together with bone burring and grafting on the facial bone are required. This paper presents a method that transforms respective tissue vertices to simulate tissue peeling. The transformation is based on specified incisions and clamps as in real facial contouring surgery. This paper also uses an auxiliary structure to represent and record tissue boundary changes inside the face. The elastic, partially plastic and plastic tissue deformation and wound formation during an incision can be simulated by manipulating these boundary changes. The incised wound recorded in the auxiliary structure is also manipulated to simulate tissue generation in wound healing during a suture. This volume manipulation method is combined with the reported method for bone burring and grafting simulations so that high-quality 3D images for illustrating surgical procedures both on the face and facial bone can be achieved. Simulations of two case examples including tissue peeling, incising and suturing procedures, and three modalities of facial contouring surgery demonstrate the effectiveness of the proposed method and system.

scholarly journals Partially Thrombosed Internal Maxillary Pseudoaneurysm after Gunshot Wound

2016 ◽  
Vol 9 (4) ◽  
pp. 335-337 ◽  
Author(s):  
Menachem Gold
Keyword(s):  
Gold Standard ◽  
Gunshot Wound ◽  
Bone Fractures ◽  
Maxillary Artery ◽  
Digital Subtraction ◽  
Fat Pad ◽  
Facial Bone ◽  
Artery Pseudoaneurysm ◽  
Ct Angiogram ◽  
The Face

A 29-year-old man arrived in our emergency department after being shot on the face. Computed tomography (CT) revealed multiple facial bone fractures along the bullet trajectory. On day 10 of admission, CT angiogram of the neck revealed a partially thrombosed pseudoaneurysm in the parapharyngeal fat pad. The pseudoaneurysm was successfully treated with coil embolization. This report discusses diagnosis and treatment of a partially thrombosed internal maxillary artery pseudoaneurysm. Although digital subtraction angiography is the gold standard for pseudoaneurysm diagnosis, CT angiography may provide complimentary information, as seen in this case.

scholarly journals Prognostic Nutritional Index Considering Resection Range Is Useful for Predicting Postoperative Morbidity of Hepatectomy

2021 ◽  
Author(s):  
Shigeyuki Nagata ◽  
Shohei Maeda ◽  
Satoko Nagamatsu ◽  
Seiichiro Kai ◽  
Yasuro Fukuyama ◽  
...  
Keyword(s):  
Postoperative Complications ◽  
Surgical Procedures ◽  
Predictive Value ◽  
Surgical Procedure ◽  
Major Hepatectomy ◽  
Prognostic Nutritional Index ◽  
Complication Rates ◽  
Immunological Status ◽  
Grade Ii ◽  
Prognostic Nutrition Index

Abstract Background Poor preoperative nutritional and immunological status are major risk factors for postoperative complications in patients with various malignancies. Lower preoperative prognostic nutrition index (PNI) is associated with higher rates of postoperative complications and poorer prognosis in those patients. The aim of this study was to analyze the predictive value of the PNI for post-hepatectomy complications in patients with hepatocellular carcinoma (HCC), and evaluate its utility in the surgical procedure. Methods This retrospective study included 510 patients who underwent open hepatectomies for HCC. The predictive value of the preoperative nutritional and immunological status for postoperative complications was assessed using the PNI. Postoperative complications were defined as grade II or higher per the Clavien-Dindo classification. Postoperative complication rates were compared according to surgical procedure (major hepatectomy vs minor hepatectomy). Results Patients with postoperative complications had significantly lower PNIs than those without (43.1 ± 5.5 vs 47.0 ± 5.7, P < 0.001). In the multivariate analysis, low preoperative PNI (< 45) was an independent risk factor for postoperative complications after hepatectomy (hazard ratio, 3.85). When patients were classified per their PNI (high vs low) and extent of surgical procedures (major vs minor), there were more complications among patients with low PNI than those with high PNI, regardless of the extent of surgical procedures. Specifically, the group of patients with low PNI who underwent major hepatectomy had significantly higher rates of postoperative complications than the other groups. Conclusions Adding the resection range to the PNI is useful for predicting the postoperative morbidities of hepatectomy patients.

scholarly journals A Survey of Competency-Based Training of Senior House Officers in Performing Minor Surgical Procedures

2006 ◽  
Vol 88 (6) ◽  
pp. 576-578 ◽  
Author(s):  
Samuel CL Leong ◽  
Alison J Waghorn
Keyword(s):  
Surgical Procedures ◽  
Surgical Procedure ◽  
Perianal Abscess ◽  
Incision And Drainage ◽  
Minor Surgical Procedures ◽  
Surgical Trainees ◽  
Competency Based ◽  
A Minor ◽  
Second Procedure ◽  
And Training

INTRODUCTION The aim of this survey was to ascertain the level of competency and training of basic surgical trainees (SHOs) in performing incision and drainage of a perianal abscess (a minor surgical procedure). MATERIALS AND METHODS Questionnaires were sent to SHOs enquiring about preferred methods of incision and drainage and the teaching received to perform this procedure. RESULTS Of respondent SHOs, 10% did not receive teaching when performing their first incision and drainage and over half did not received any feedback from their trainers. A mere 65% received practical supervision. Use of the curette and de-roofing of the abscess are not routine methods used. In addition, 13% reported inadequate incision and drainage, which required a second procedure. CONCLUSIONS Competency-based training in minor surgical procedures benefits not only from didactic teaching, immediate supervision and appraisal but also from frequent practise. This was found to be lacking for incision and drainage of perianal abscesses by basic surgical trainees surveyed in the study.

The Reduction of Oral Fetor and Dryness Before and After Surgical Procedures Involving the Face

1967 ◽  
Vol 60 (5) ◽  
pp. 485
Author(s):  
CHARLES E. HORTON ◽  
HUGH H. CRAWFORD ◽  
JEROME E. ADAMSON ◽  
LEONARD H. BROWN
Keyword(s):  
Surgical Procedures ◽  
Before And After ◽  
The Face

Some Tips on Face-Lifting

1979 ◽  
Vol 87 (4) ◽  
pp. 522-532 ◽  
Author(s):  
Jack R. Anderson ◽  
Calvin M. Johnson
Keyword(s):  
Surgical Procedure ◽  
Face Lift ◽  
The Past ◽  
The Face

The face-lift operation is not difficult for the well-trained otolaryngologist. However, as in every surgical procedure, there are certain techniques that facilitate its performance and improve results. This paper discusses some of these techniques that have been developed during the past 20 years.

scholarly journals Face morphology of brazilian and peruvian populations: analysis of proportion and linear measurement indexes

2017 ◽  
Vol 20 (3) ◽  
Author(s):  
Elaine Cristina Sousa Dos Santos ◽  
Diego Jesus Bradariz Pimentel ◽  
Laís Lopes Machado De Matos ◽  
Laís Valencise Magri ◽  
Ana Maria Bettoni Rodrigues Da Silva ◽  
...  
Keyword(s):  
Latin American ◽  
Linear Measurement ◽  
Linear Measurements ◽  
3D Images ◽  
Brazilian Sample ◽  
Face Width ◽  
The Face ◽  
Mouth Width ◽  
3D Stereophotogrammetry ◽  
Face Morphology

<p><strong>Objective: </strong>To compare the proportion and linear measurement indexes between Brazilian and Peruvian population through 3D stereophotogrammetry and to stablish the face profile of these two Latin American populations. <strong>Material and Methods: </strong>40 volunteers (Brazilian n=21– 10 males and 11 females; Peruvian n=19 – 8 males and 11 females) aged between 18 and 40 years (mean of 28.7±9.1) had landmarks marked on the face. Then, 3D images were obtained (VECTRA M3) and the indexes of proportion and linear measurement (face, nose, and lips) were calculated. The data were statistically analyzed by One-Way ANOVA (p&lt;0.05). <strong>Results: </strong>The proportion indexes did not reveal marked differences either between the studied populations or genders (p&gt;0.05). The following linear measurements showed intergroup statistically significant differences: face width and height, nose width and height, upper facial height, mouth width, protrusion of the nose tip (p&lt;0.05). The Brazilian females showed the smallest significant differences. <strong>Conclusions: </strong>Despite the different ethnic compositions, the Brazilian and Peruvian populations did not differ regarding the proportions of the face, nose, and lips. The differences observed in Brazilian females may be related to gender and/or to the Caucasian heritage of the Brazilian sample.</p><p><strong>Keywords</strong></p><p>Photogrammetry; Face; Tridimensional Image.<strong></strong></p>

scholarly journals 3D ultrasound–guided resection of low-grade gliomas: principles and clinical examples

2019 ◽  
Vol 47 (6) ◽  
pp. E9 ◽  
Author(s):  
Geirmund Unsgård ◽  
Frank Lindseth
Keyword(s):  
3D Ultrasound ◽  
High Accuracy ◽  
Low Grade ◽  
Ultrasound Guided ◽  
High Quality ◽  
Case Examples ◽  
Low Grade Gliomas ◽  
Mesial Temporal Lobe ◽  
Temporal Lobe Lesions

3D ultrasound (US) is a convenient tool for guiding the resection of low-grade gliomas, seemingly without deterioration in patients’ quality of life. This article offers an update of the intraoperative workflow and the general principles behind the 3D US acquisition of high-quality images.The authors also provide case examples illustrating the technique in two small mesial temporal lobe lesions and in one insular glioma. Due to the ease of acquiring new images for navigation, the operations can be guided by updated image volumes throughout the entire course of surgery. The high accuracy offered by 3D US systems, based on nearly real-time images, allows for precise and safe resections. This is especially useful when an operation is performed through very narrow transcortical corridors.

scholarly journals MODERN TRENDS TO LAPAROSCOPIC SURGERY IN GYNECOLOGY

2010 ◽  
Vol 1 (3) ◽  
pp. 98-102
Author(s):  
S A Levakov ◽  
A G Kedrova ◽  
N S Wanke
Keyword(s):  
Laparoscopic Surgery ◽  
Surgical Procedures ◽  
Endoscopic Sinus Surgery ◽  
Surgical Procedure ◽  
Sinus Surgery ◽  
Surgical Tool ◽  
Gynecologic Laparoscopy

Gynecologic laparoscopy has evolved from a limited surgical procedure used only for diagnosis and tubal ligations to a major surgical tool used to treat a multitude of gynecologic indications. Today, laparoscopy is one of the most common surgical procedures performed by gynecologists. The review presents the main trends of development of modern surgery in gynecology with the author's personal views on the key contentious issues of endoscopic sinus surgery.

FACTORS OF MOTIVATION OF PURCHASE OF DRUGS - THE FOUNDATION OF ART SALES

2021 ◽  
pp. 59-63
Author(s):  
А.Н. Жарылқасын ◽  
А. Жунусов ◽  
К.Д. Шертаева ◽  
Г.Ж. Умурзахова ◽  
Г.И. Утегенова ◽  
...  
Keyword(s):  
Customer Loyalty ◽  
High Quality ◽  
Medical Products ◽  
Customer Commitment ◽  
Wide Range ◽  
The Face

В условиях серьезной конкуренции аптеки вынуждены прибегать к различным способам привлечения и удержания покупателей. Приоритетными факторами в плане воспитания и поддержания лояльности покупателей являются традиционный набор приемлемых цен, широкий ассортимент, высокое качество лекарственных средств, космецевтики и изделий медицинского назначения, а также удобное расположение аптеки и выкладка аптечных товаров. Однако сегодня это обязательные, но недостаточные атрибуты приверженности покупателей к конкретной аптеке. В данной статье рассматриваются основные элементы "искусства продаж", которые, по мнению экспертов, являются основополагающими для мотивации покупок в аптеке. In the face of serious competition, pharmacies have to resort to various means of attracting and retaining customers. Priority factors in terms of cultivating and maintaining customer loyalty are the traditional set of acceptable prices, wide range, high quality of pharmaceuticals, cosmeceuticals and medical products, as well as the convenient location of the pharmacy and the display of pharmacy products. However, today these are mandatory, but not sufficient attributes of customer commitment to a particular pharmacy. This article discusses the main elements of the "art of sales", which, according to experts, are fundamental for motivating purchases in a pharmacy.

Surgery for short sight?

1991 ◽  
Vol 29 (17) ◽  
pp. 65-66
Keyword(s):  
Surgical Procedures ◽  
Surgical Procedure ◽  
Contact Lenses ◽  
Photorefractive Keratectomy ◽  
Radial Keratotomy ◽  
The Press ◽  
Potential Demand ◽  
The Subject

People with short sight may learn of surgical procedures which enable them to see clearly without spectacles or contact lenses, often from articles in the press. These may present a somewhat rosy view of the subject; complications can follow any surgical procedure and surgery for myopia is no exception. The potential demand for such surgery is huge; about 5% of people in Britain have myopia in the range from −2 to −8 dioptres. Two procedures are used to correct myopia in these patients: radial keratotomy and laser photorefractive keratectomy.

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