Background: The purpose of this study was to evaluate the change of food intake after different dosages of botulinum toxin A (BTX) injection in the animal model. Additionally, the dimensional and histological change at 14 days after BTX injection was also evaluated. Methods: The comparative study was performed using the BTX injection model in rats (n = 5 for each group). Group 1 was the saline-injected group. Group 2 was the 5-unit BTX-injection group to each masseter muscle. Group 3 was the 10-unit BTX-injection group to each masseter muscle. Food intake rates and body weight were checked daily before and after BTX injection until 10 days. All animals were sacrificed at 14 days after BTX injection, and the specimens underwent hematoxylin and eosin stain and immunohistochemical staining for myosin type II (MYH2). Results: The recovery of food intake in groups 2 and 3 decreased significantly compared with group 1 from day 2 to day 7 and day 9 after injection (p < 0.05). The BTX-treated masseter muscles were significantly smaller than those in group 1 (p = 0.015). The immunohistochemical findings demonstrated that the expression of MYH2 was significantly higher in group 3 compared to groups 1 and 2 (p < 0.001). Conclusions: BTX injection to the masseter muscle in rats demonstrated short food-intake-rate reduction with recovery until 10 days after injection. The thickness of the masseter muscle and MYH2 expression were significantly changed according to the injected dose of BTX.
Background: Atelocollagen has been studied for restoration of rotator cuff tendon. In this study, we attempted to evaluate the clinical outcome of ultrasound-guided atelocollagen injection in an outpatient clinic for patients with partial rotator cuff tear. Methods: We recruited 42 outpatients who visited our hospital from May 2019 to September 2019. Atelocollagen injection was performed in patients with partial rotator cuff tear diagnosed by magnetic resonance imaging and ultrasound. American Shoulder and Elbow Surgeons (ASES), Constant, Korean Shoulder Score (KSS) and Simple Shoulder Test (SST) scores, and range of motion were assessed before injection and after 2 months. Statistically, we analyzed the clinical results using the Wilcoxon signed-rank test. Results: Finally, 15 patients were enrolled for analysis. There was no significant difference between pre- and post-injection in terms of range of motion, ASES (57.0 vs. 60.4), Constant (56.4 vs. 58.9), KSS (64.6 vs. 68.5), and pain-visual analog scale (4.2 vs. 3.7), except function-visual analog scale (F-VAS; 6.3 vs. 7.1) and SST (6.6 vs. 6.9). A significant difference was found in SST (P=0.046) and F-VAS (P=0.009). According to the ultrasound results at 2 months, we found hyperechoic materials in three of seven patients. The most common complication of atelocollagen injection was post-injection pain (53%, 8/15). Conclusions: Ultrasound-guided atelocollagen injection for partial rotator cuff tear showed no significant change in terms of clinical outcomes, except for F-vas and SST score. Tendon regeneration was not clear due to the remnants of atelocollagen present at 2-month follow-up ultrasound. There seems to be alarming post-injection pain for 2 to 3 days in the patients who received atelocollagen injection in an outpatient clinic.
Statement of problem : Fracture and dimensional change of an acrylic resin denture are a rather common occurrence. Purpose : The purpose of this study was to compare differences in dimensional changes and flexural strength of separate maxillary complete dentures after immediate deflasking by injection molding and conventional compression processing. Material and method: To evaluate dimensional stability, the maxillary dentures were fabricated by using different materials and methods. Lucitone 199(Dentsply Trubyte. york, pennsylvania, USA) and Vertex(Dentimex, zeist, Netherlands) were used as materials. Compression and injection packing methods were used as processing methods. The impression surface of the dentures was measured by 3D Scann-ing System(PERCEPTRON USA) and overlapped original impression surface of the master cast. To evaluate flexural strength, resin specimens were made according to the different materials, powder/liquid ratio and processing methods. Flexural strength of the complete resin specimens (64mm$\times$10mm$\times$3.3mm) were measured by INSTRON 4467. (INSTRON, England) The data was analyzed by ANOVA, t-test and Tukey test. (p<.05 level of significance) Result: The results were as follows 1. There was no significant differences between master model and denture base for each group in overall dimensional changes. 2. Palatal area was more stable than flange or alveolar area in dimensional stability. but. there was no significant differences among each area. 3. Materials and power/liquid ratio had an effect on flexural strength. (P<.05) Especially materials was most effective. (P<.05) 4. Lucitone 199(powder/liquid ratio followed by manufacturer's direction) showed higher flexural strength than Vertex. Conclusion : Dimensional stability or flexural strength are affected by materials rather than packing techniques.
Objectives The purpose of this study is to look into the methods of acupuncture for spastic cerebral palsy. Methods 27 cases of the clinical literature were selected from 43 studies about cerebral palsy and spastics. Theses literature were published between the January 2010 to September 2015 by using the China Academic Journal (CAJ) of China National Knoweldge Infrastructure (CNKI). Results Most studies mentioned the effect of acupuncture (scalp, general) or acupoint-injection, derma needle, warm acupoint. It was more effective with other herbal complex rehabilitation therapy such as acupuncture, physical therapy occupational therapy, rehabilitation, and the complex speech therapy than just the herbal therapy alone. Acupuncture of acupoint-injection has overall 86~96% of rehabilitation rate. The acupuncture was often used with the general acupuncture and scalp acupuncture. Commonly used major acupuncture points were sishencong (四神總), bohui (百會), yundongqu (運動區), and pinghengqu (平衡區), Li11, Li04, Gb39, St41. The main acupoint-injection points were fengchi (Gb21) and jiexi (St41). For the injection, brain actiator, astragalus injection, cerebroprotein hydrolysate, Vit B1, Vit B2 were commonly used. Conclusion Acupuncture and acupoint-injection have been shown as an effective treatment on spastic cerebral palsy. The acupuncture was used often with the general acupuncture and scalp acupuncture all together.
Objective: The purpose of this study is to develop and activate anti-tumor herbal acupuncture for cancer patients in South Korea. Methods: We investigated some literatures on anti-tumor herbal acupuncture which is used in South Korea and China, and made diagrams. Results: The results are summarized as follows. Anti-tumor herbal acupuncture is one of the traditional oriental medical method which is effective for cancer patients. In domestic studies, most of herb materials are belong to action of cooling&detoxification(25.0%) and strengthening body resistance(46.4%) which are proved to have effects of anti-tumor, immune activation and preventing tumor. In China, point injection therapy are used for improving symptoms of cancer patients and hea1ing tumor. Also herbal intravenous injection is used for combination of chinese traditional and western cancer therapy and treating cancer patients variously. Conclusions: From the above results. it is expected that anti-tumor herbal acupuncture is useful to improve clinical symptoms and quality of life(QOL) of cancer patients. Also we must develop new progressive methods of point injection and herbal intravenous injection for treating cancer patients, and advance clinical studies and trials.
There are several methods used for screening and evaluating anti -inflammatory agents. Among these, 'Granuloma pouch' technic introduced by Hans Selye is considered as a simple and reliable method. The procedure of 'Granuloma pouch' technic is as follows: Rats were used as experimental animals. An air pocket was produced in the subcutaneous tissue of the mid-dorsal portion between the shoulders by the injection of 25ml of the air which was immediately followed by injection of 1 ml of 1% croton oil as irritant. Inflammatory exudate accumulated in the pouch during the succeeding 14 days. After sacrificing the rats on the last day of the experiment, the amount of the exudate in the pouch and the weight of the granuloma tissue was measured. The author observed and compared the anti-inflammatory activities of the several steroid compounds when they are given by different methods. 1. In the control rats, the amount of inflammatory fluid and the weight of the granuloma tissue after 14 days were 9ml and 3gm respectively. 2. Injection of hydrocortisone 1.5mg subcutanenusly, 24 hours prior to pouch formation into the area where the pouch is to be formed, successfully prevented the inflammatory processes. 3. Injection of hydrocortisone 1.5mg in the air pocket formed 24 hours prior to croton oil injection was ineffective. 4. Injection of hydrocortisone into the pouch at a distance of 5mm apart from the pouch formation did not prevent the development of inflammation. 5. Anti-inflammatory activities of hydrocortisone administered systematically(injected intramuscularly into the area which is not related to the area of pouch formation) for 10 days were proportional to the doses of hydrocortisone administered. 6. DOCA, testosterone, and progesterone did not show the anti-inflammatory activity.
Objective : Acupuncture is a method used to treat many kinds of pain in oriental cultural medicine. Especially when hetero-segmental area acu-points are stimulated, the therapeutic effects of pain control have more critical properties than other methods of acupuncture. However, the mechanism of pain control by acupuncture is contradictory so far. The present study examined the effects of electroacupuncture (EA) applied to the acu-point of the hetero-segmental area on modulation of formalin-induced pain in Sprague-Dawley rats. Methods : In order to apply EA to acu-points in the plantar area of right forepaws, a pair of Teflon-coated stainless steel wires were implanted in HT 7 (Shin-Moon) and PC 7 (Dae-Reung) 7 days before the behavioral test. A behavioral test was performed by means of video camera after injection of 5% formalin ($50{\;}\mu\textrm{l}$) into the lateral plantar region of the left hind paw. EA was delivered by a constant DC current stimulator at 4~5 mA, 2 ms, and 10 Hz for 30 min. c-Fos protein expression was measured in the lumbar spinal cord at 2 hr and 4 hr after formalin injection. Results : Behavioral responses including favoring, flinching and biting occurred in the biphasic pattern, such as the 1st phase (0~5 min) and the 2nd phase (20~45 min) after formalin injection. However, EA (4~5 mA, 2 ms, 10 Hz) significantly inhibited the behavioral responses. Injection of formalin expressed c-Fos protein on the ipsilateral dorsal horn neurons in L3 - L5 and the expression was sustained more than 4 hrs after formalin injection. However, EA decreased c-Fos protein expression at dorsal horn neurons in the lumbar spinal cord till 4hrs after formalin injection. Conclusions : These results suggest that EA modulates formalin-induced pain and this inhibitory action may be elicited by the descending inhibitory system.
Objectives : The methods to treat glottic incompetence include thyroplasty type I, arytenoid abduction, and intracordal injection using various materials. The intracordal injection is easy and simple and does not require skin incision. In general, the grafted cartilage shows a high survival rate, a low absorption rate and small voluminous change. The authors performed injection of minced autologous auricular cartilage and fat using a Bruning injector in unilateral vocal cord palsy We evaluate the effect and safety of autologous auricular cartilage intracordal injection. Study Design : Retrospective study. Methods : Auricular cartilage was obtained by incising tragus vertically and it was minced with a scalpel and #15 blade. About 2g of abdominal fat was obtained by small periumbrical incision and cut into small pieces. The minced cartilage was put into a 1$m\ell$ injector and then the injector was filled with fat. The operation was conducted under laryngeal microscope. Minced cartilage was injected into the vocalis muscle at the junction of the middle and posterior third of the vocal fold. In three cases, we performed autologous cartilage intracordal injection. Results : We observed no postoperative complications, such as dyspnea, granulation, inflammation, in any of the cases. The voice was improved compared with the voice prior to operation in all cases. Conclusion : Although the cases are still limited and the observation period is short, we suggest that the autologous cartilage using the auricular cartilage is the ideal and new effective augmentative material in vocal cord palsy.
SQL Injection techniques disclosed web hacking years passed, but these are classified the most dangerous attac ks. Recent web programming data for efficient storage and retrieval using a DBMS is essential. Mainly PHP, JSP, A SP, and scripting language used to interact with the DBMS. In this web environments application does not validate the client's invalid entry may cause abnormal SQL query. These unusual queries to bypass user authentication or da ta that is stored in the database can be exposed. SQL Injection vulnerability environment, an attacker can pass the web-based authentication using username and password and data stored in the database. Measures against SQL Inj ection on has been announced as a number of methods. But if you rely on any one method of many security hole ca n occur. The proposal of four levels leverage is composed with the source code, operational phases, database, server management side and the user input validation. This is a way to apply the measures in terms of why the accident preventive steps for creating a phased step-by-step response nodel, through the process of management measures, if applied, there is the possibility of SQL Injection attacks can be.
Lim, Jong Bum;Kim, Young Ki;Kim, Sung Woo;Sung, Kyu Wan;Jung, Il;Lee, Chung
The Korean Journal of Pain
/
v.21
no.1
/
pp.57-61
/
2008
Background: Shoulder joint injection is currently performed under fluoroscopic or computed tomography scan guidance. We performed this study to determine if an ultrasound guided shoulder joint injection through rotator cuff interval would have clinical usefulness. Methods: A total of 17 volunteers [12 women, 5 men; mean age 28 yr (23-32 yr)] received shoulder joint injection under multilinear ultrasound (5-10 MHz). Volunteers were positioned supinely on a table with their arm in a neutral position. The anterior shoulder region of the patient was sterilized using povidone iodine. A 24 gauge needle was introduced and directly visualized in real time as it passed obliquely from the skin surface to the inferior space of the biceps tendon. If there was little or no resistance to the injection, a contrast media (omnipaque) was injected and checked fluoroscopically. Results: Ultrasound guided shoulder joint injection through rotator cuff interval was successful in all cases. The average time taken for the procedure was $27.5{\pm}16.5sec$. The vertical distance from skin to the inferior space of the biceps tendon was $1.6{\pm}0.4cm$ and the distance of needle from the skin to the inferior space of biceps tendon was $2.8{\pm}0.6cm$. The procedure was well tolerated by all volunteers. Conclusions: Ultrasound guided shoulder joint injection through rotator cuff interval is an effective, rapid, and easy-to-perform injection technique. Ultrasound guided injection enables exact needle placement and avoids the use of both ionizing radiation and iodinated contrast material.
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