• Archives of Plastic Surgery
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• v.40 no.5
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• pp.603-609
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• 2013

Background Although the conventional direct brow lift operation provides a simple means of managing lateral brow ptosis, the scars produced have been unacceptable. However, using the modifications proposed here, scarring showed remarkable improvement. This article reviews our experiences with the presented technique, mainly with respect to postoperative scarring. Methods Measured amounts of supra-eyebrow skin and subcutaneous fat were excised en bloc in the conventional manner under 'hyper-hydrated' local infiltration anesthesia. The lower flap and the edge of the upper flap were undermined above the muscular plane, and the orbicularis oculi muscle was directly suture-plicated and suspended upward to the distal frontalis muscle. Skin closure was performed in a basic plastic surgical manner. Results From April 2007 to April 2012, a consecutive series of 60 patients underwent surgery using the above method. The average width of the excised skin was 8 mm (range, 5-15 mm) at the apex of the eyebrow. Preoperative complaints were resolved without occurrence of significant complications. The surgical scars showed remarkable improvement and were negligible in the majority of the cases. Conclusions The direct brow lift operation combined with plication/suspension of the superior and lateral portion of the orbicularis oculi muscle provides a simple, safe, and predictable means of correcting lateral brow ptosis. The scars were acceptable to all of the patients. For proper management of the frontalis tone, upper blepharoplasty and/or repair of eyelid levator function must be considered in addition to brow lift procedures.

• Archives of Plastic Surgery
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• v.40 no.5
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• pp.597-602
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• 2013

Background The forehead, which occupies about one third of the face, is one of the major determinants of a feminine or masculine look. Various methods have been used for the augmentation of the forehead using autologous fat grafts or alloplastic materials. Methylmethacrylate (MMA) is the most appropriate material for augmentation of the forehead, and we have used an injection-molding technique with MMA to achieve satisfactory results. Methods Under local anesthesia with intravenous (IV) sedation, an incision was made on the scalp and a meticulous and delicate subperiosteal dissection was then performed. MMA monomers and polymers were mixed, the dough was injected into the space created, and manual molding was performed along with direct inspection. This surgery was indicated for patients who wanted to correct an unattractive appearance by forehead augmentation. Every patient in this study visited our clinics 3 months after surgery to evaluate the results. We judged the postoperative results in terms of re-operation rates caused by the dissatisfaction of the patients and complications. Results During a 13-year period, 516 patients underwent forehead augmentation with MMA. With the injection-molding technique, the inner surface of the MMA implant is positioned close to the underlying frontal bone, which minimizes the gap between the implant and bone. The borders of the implant should be tapered sufficiently until no longer palpable or visible. Only 28 patients (5.4%) underwent a re-operation due to an undesirable postoperative appearance. Conclusions The injection-molding technique using MMA is a simple, safe, and ideal method for the augmentation of the forehead.

• Journal of Chest Surgery
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• v.30 no.8
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• pp.809-814
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• 1997

Continuous epidural pain block with a local anesthetic agents is a commonly employed technique for pain relief after thoracotomy. In this study, we evaluated the effectiveness of the continuous epidural pain block in 19 patients undergoing elective lateral or posterolatrral thoracotomy with control group(n=19) from November 1994 to July 1995, Epidural lidocaine and morphine mixtures were injected via an epidural catheter as a bolus after operation, and then bupivacaine and morphine mixtures were injected continuously following 5 or 6 days. The pain score, upper arm elevation(ROM score), and respiratory rate were significantly changed(P<0.05) from 30min after injection. The CO2 tension of arterial blood was decreased significantly(P<0.05) from 2hr after injection. The postoperative hospital days were decreased significantly(P<0.05). Side effects of the epidural pain block were urinary retention(n= 10), urticaria(n=2) and a case of headache. There was no postoperative lung atelectasis. We conclude that the continuous epidural pain block is good for prevention of the postoperative lung complication and early recovery after thoracotomy.

• The Korean Journal of Pain
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• v.12 no.1
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• pp.48-53
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• 1999

Background: Despite the popularity of epidural bupivacaine-morphine infusions for postoperative pain management, the optimum concentrations and dosages of bupivacaine have not been determined. At present, due to the disadvantages conferred by intense motor block and the increased risk of toxicity, many trials focus on reducing bupivacaine concentration and thus the evaluation of concentrations less than 0.1% may be warranted. Methods: Forty patients having epiduro-general anesthesia for hysterectomy were randomly assigned to one of two study groups. As a mean of postoperative pain control, all received 2 mg of epidural morphine bolusly 1 hr before the end of surgery and continuous epidural infusion was started using a two-day Infusor containing 4 mg of morphine in 100 ml of 0.125% bupivacaine (Group 0.125B, n=20) or 100 ml of 0.0625% bupivacaine (Group 0.0625B, n=20). Study endpoints included visual analog scales (VAS) for pain during rest and movement, sensory change and motor blockade. They were assessed at 2, 4, 8, 16, 24, 32, 40 and 48 hrs postoperatively. Results: For VAS during rest, no significance could be found between two groups over the course of study. But for VAS during movement, the 0.125B group showed more satisfactory results especially during early postoperative periods. For the incidence of complications, the 0.125B group revealed greater frequency of sensory change (25.0%) and motor blockade (10.0%) compared with the 0.0625B group. Conclusion: This study suggests that 0.0625% bupivacaine with morphine via epidural route was sufficient for pain control during rest but it was not satisfactory during movement especially in early postoperative periods. We also recommend that careful attention to motor blockade should be paid when using 0.125% bupivacaine.

• Journal of the Korean Society of Laryngology, Phoniatrics and Logopedics
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• v.16 no.2
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• pp.129-134
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• 2005

Background and Objectives : Artecoll(R) is an injectable soft tissue filler, which is a suspension of polymethylmethacrylate microspheres in $3.5\%$ bovine collagen solution. The authors aimed to determine the clinical of Artecoll of Artecoll(R) as an injection material into the vocal fold to correct the glottal insufficiency caused by unilateral vocal cord paralysis. Materials and Methods : Forty-one consecutive patients with unilateral vocal cord paralysis received percutaneous Artecoll injections under local anesthesia. Acoustic, aerodynamic and stroboscopic analyses were prospectively provided before, 1 week and 3 months after injection. Perceptual GRBAS grading by speech language pathologists and subjective ratings of the hoarseness and aspiration by the patients were also obtained. Results : Aerodynamic parameter(maximal phonation time) were significantly improved after the injection (p<0.05). Acoustic parameters (jitter and shimmer) were improved at the 3rd month follow-up. GRBAS uading and patients own subjective scaling of hoarseness and aspiration also showed significant improvement (p<0.05). Early or delayed significant side effects were not observed. Conclusion : Vocal fold injection with Artecoll is a convenient, safe and useful method of temporarily correcting the glottal insufficiency. Further long-term follow-up studies will answer the usefulness and safety of the Artecoll injection laryngoplasty.

• Journal of the Korean Society of Laryngology, Phoniatrics and Logopedics
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• v.8 no.2
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• pp.199-203
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• 1997

In the treatment of spasmodic dysphonia, local injection of botulinum toxin A has been reported to be successful. The treatment of adductor type spasmodic dysphonia with botulinum toxin type A injection using a flexible nasopharyngoscope was conducted in 29 patients and using a telearyngoscope in 31 patients. These patients were given toxins in the vocal fold(s), unilaterally or bilaterally, under flexible nasopharyngoscopic guidance with sclerosing needle or telelaryngoscopic guidance with 23 gauge scalp needle attached by laryngeal forceps. Before the above procedure, laryngeal anesthesia was done with 2% pontocain instillation. Among the 60 patients, 59 patients were given the toxin successfully. Telephone interview were made at 2weeks and then at 4 weeks post injection. Among 29 patients using a flexible nasopharyngoscope, 75.8% and among 31 patients using a telelaryngoscope, 90.0% reported that the patients' symptom was improved. The functional status of the patient's disorder was classified into four grades. The mean pre-injection grade fir the patients using flexible nasopharyngoscope and telelaryngoscope was 1.6 and 2.1 respectively. And it was lowered to 0.7 and 1.1 respectively after the injection. The result was similar(p<0.05). As a self assessment method, the patients were asked to rate their voice on a scale of 100. In this study, the mean pre-injection score was 44 and 40 respectively. And it was improved to 77.7 and 69.8 respectively after the injection. The result was similar(p<0.05). In conclusion, botulinum toxin injection using a flexible nasopharyngoscope is also an effective method for the treatment of adductor type spasmodic dysphonia as using a telelaryngoscope.

• Journal of the Korean Association of Oral and Maxillofacial Surgeons
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• v.35 no.3
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• pp.158-163
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• 2009

Objective : Recently, we are interested in bisphosphonate related osteonecrosis of the jaw (BRONJ). Most of patients with osteonecrosis have taken medicine bisphosphonate for a long time. But the mechanism of osteonecrosis in BRONJ was not clarified yet. The aim of this study is to evaluate the difference of bone healing effect after bone graft from ilium to maxillary sinus in rabbits between zoledronate-treated and zoledronate-not treated groups. Method : The subjects was divided into two groups. The experimental group was 9 rabbits, treated with intraperitoneal administration of zoledronate(0.06mg/kg) once per week for 3 weeks. In control group, same procedure was applied but administerd saline instead of zoledronate. After 4 weeks, surgical operation under local anesthesia (ketamine 3.0cc, xylazine 1.0cc) was done. At postoperative 1, 2, 4, 8 weeks later, each rabbits were sacrificed and removed the bone grafted area. Gross, radiologic and histopathologic exminations of bone grafted area were performed. Result : There were no conspicuous differences of radiological findings between experimental and control groups in any experimental weeks. In experimental group, new bone formation appeared earlier than control group at 1 week after operation, and maturation of bony tissue were more conspicuous at 2 and 4 weeks after operation, compared with control group. In 8 weeks after operation, similar microscopic findings were noted in both groups. Conclusion : In the bisphosphonate-treated rabbits, new bone formation in the bone grafted area appeared earlier and bony maturation was more concpicuous, even though there were no significant differences of gross and radiological findings. These findings suggest that bisphosphonate might be promotive effect in the healing process in early stage after administration.

• Journal of Periodontal and Implant Science
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• v.40 no.4
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• pp.201-205
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• 2010

Purpose: The purpose of this study was to evaluate the clinical effectiveness of and patient's satisfaction with treatment of gingival melanin hyperpigmentation with a Nd:YAG laser and a high speed rotary instrument. Methods: Three patients with melanin hyperpigmentation in the anterior parts of the gingiva were chosen for this case study. Clinical photographs were taken at the preoperative state and three patients were treated under local anesthesia. In the maxilla, the gingival deepithelization was conducted with a high speed diamond bur, whereas, in the mandible with a Nd:YAG laser. Clinical photographs were taken immediately after the procedures and at the 1st, 2nd, and 4th week to evaluate clinical color changes. A week after the procedure, the patients filled out a questionnaire about any pain or discomfort. At the 4th week after the procedure, the patients filled out questionnaires about esthetic aspects of the results of treatment. Results: In all cases, both anterior gingival areas were depigmented with satisfaction and the patients did not complain of severe pain or discomfort. At the 1st week of healing, the gingiva showed moderate to fast epithelization. Two weeks after the procedure, clinically, the gingiva showed almost complete healing. Four weeks after the procedure, there was significant improvement in gingival melanin hyperpigmentation. Conclusions: The Nd:YAG laser and the high speed rotary instruments seem to be effective for the esthetic treatment of gingival melanin hyperpigmentation.

• Journal of the korean academy of Pediatric Dentistry
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• v.32 no.4
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• pp.589-594
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• 2005

With the progress of medical treatment techniques of bleeding control, dental care of the patient with hemophilia has become more convenient. So many surgical treatments can be performed with out-patient. 2 cases of intraoral surgical treatment of children, one with hemophilia 3, sever, the other with hemophilia A, severe. While the former was treated under general anesthesia, the latter was treated under local anaesthesia. There are principles : 1. When a patient with hemophilia need dental treatment, the dentist must consult to his physician, pediatrician, or hematologist before dental treatment. 2. When the dentist make a treatment plan, there should be consideration of the general condition, cooperation of the patient and risk of the treatment needed. 3. Minimize the number of times of coming for dental treatment so that reduce the times that need replacement therapy of coagulation factor. And during the treatment, dentist should care for infection and bleeding.

• Korean Journal of Bronchoesophagology
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• v.1 no.1
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• pp.136-141
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• 1995

Tracheostomal stenosis after total laryngectomy is a distressing complication which con-tributes significantly to both psychosocial and physical morbidity according to nature and severity in laryngectomee. Sternal stenosis will compromise not only optimal air exchange, crust formation but also the ability to clear tracheobronchial secretion, so pneumonia and atelectasis will develop. Having a number of procedure recommended for correction of such stenosis with limited results. We developed new technique which is based on tracheal advancement flap had been ap-plied to 12 patients, successfully. We think that total or partial tracheal advancement flap technique Is useful for widening the stoma and advantages of this method are following. 1. Simple technique. possible under local anesthesia 2. Healthy tracheal ring facilities width control 3. Less chance of refractory scar stenosis 4. Tracheoesophageal shunt can be constructed after the partial advancement flap.